Page 1 ORDER NO. MKE0003103C1 Combination VCR PV-C2780 / PV-C2780-K SPECIFICATIONS 2000 Matsushita-Kotobuki Electronics Industries LTD. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. SAFETY PRECAUTIONS...
Page 2: Important Safety Notice
GENERAL GUIDELINES 1. IMPORTANT SAFETY NOTICE There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams, Circuit BoardLayout, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer's specified parts to prevent X- RADIATION, shock, fire, or other hazards.
Page 3 110 (Cold chassis ground) 6. When the TV set is not used for a long period of time, unplug the power cord from the AC outlet. 7. Potentials, as high as 32.0 kV are present when this TV set is in operation.
Page 4 5. Reverse the AC plug in the AC outlet and repeat each of the above measurements. 6. The potential at any point should not exceed 0.75 V RMS. A leakage current tester (Simpson Model 229 equivalent) may be used to make the hot checks. Leakage current must not exceed 1/ 2 mA.
Page 5 HORIZONTAL OSCILLATOR DISABLE CIRCUIT TEST SERVICE WARNING : The test must be made as a final check before set is returned to the customer. CONFIRMATION OF X-RAY MOVEMENT 1. Turn off TV set. 2. Connect the circuit below between TP1209 and TP1208. Figure 2 3.
Page 6: Prevention Of Electrostatic Discharge
3. PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and somefield-effect transistors are semiconductor "chip" components.
Page 7: Service Notes (Please Read)
leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8.
Page 8 Fig. 1-3 Fig. 1-4...
Page 9 Fig. 1-5 3. Press any operation button except for POWER on either the unit, or the remote to detect that a key has been pressed. The 1st digit changes to "0" only when key is detected. Fig. 1-6...
Page 10 Note: When 1 to 4 listed in Lock code occurs, the VCR stops and all VCR function buttons except for power become non-operational. 5.1.2. SERVICE POSITION 5.1.2.1. Service Position CAUTION: HOT CIRCUIT(Primary circuit) exists on the TV/VCR Main C.B.A. and the TV Power C.B.A. Use extreme care to prevent accidental shock when servicing.
Page 11 Note: 1. When recording in Service Position (2), short the S-Tab SW. Pins on foil side of TV/VCR Main C.B.A. to turn this SW. on. Fig. 2-3 2. When disassembling/assembling, refer to "CABINET SECTION" in DISASSEMBLY/ASSEMBLY PROCEDURES. 5.1.3. HOT CIRCUIT Primary circuit exists on the TV/VCR Main C.B.A.
Page 12 5.1.5. CAUTION FOR INSTALLATION OF VCR UNIT CAUTION: Opener Lever may be damaged when VCR Unit is installed, with Cassette Door-Lid and Opener Lever of Cassette Up Ass'y set incorrectly. Install the VCR Unit as follows: 1. Swing the Cassette Door-Lid all the way open until the Cassette Door tab clears the Opener Lever.
Page 13 2. Set the Default value of all Control functions using a remote control as shown in "Memory IC Reference Table." Note: For Selecting Control functions and setting Default value, refer to " HOW TO ENTER EVR ADJUSTMENT MODE" and "HOW TO ENTEREVR PG SHIFTER ADJUSTMENT MODE"...
Page 14 5.1.7. METHOD FOR LOADING/UNLOADING OF MECHANISM 5.1.7.1. (Manual Method) Turn the Loading Gear clockwise (for loading) or counterclockwise (for unloading) using needlenose pliers etc. Note: Do not use this method if Mechanism is jammed or locked. Fig. 5-1...
Page 15 5.1.7.2. (Electrical Method) Apply+10.0 V DC Power Supply to the Loading Motor terminals. Loading DC+ to Portion "a," DC - to Portion "b" Unloading DC - to Portion "a," DC+ to Portion "b" CAUTION: Before applying DC Power Supply, be sure to disconnect the Motor Leads from the Connector P2503.
Page 16 5.1.8. HOW TO REMOVE A JAMMED TAPE CAUTION: Wiper Arm Unit may be damaged or its spring may be out of place when the jammed tape is removed by force. Remove a jammed tape as follows: 5.1.8.1. Manual Method When a tape jam is encountered, check the tape loading condition and use the following procedure to remove a tape jam.
Page 17 2. Remove the tape from the tape path. 3. Rewind the tape into the cassette by rotating the Center Clutch Unit counterclockwise. 4. Unhook Spring (A) of the Drive Rack Arm. 5. Remove Screw (A). 6. Lift the Cassette Up Ass'y. While pulling the Cassette Up Ass'y out far enough so that it clears the Drive Rack Arm, slide the Drive Rack Unit as indicated by the arrow to remove the cassettetape from the Cassette Up Ass'y.
Page 18 2. Perform Step 2 through Step 7 of Method -1. 5.1.8.1.3. Method -3: 1. Perform Step 2 through Step 7 of Method -1. Note: After repairing mechanical trouble, make sure that all gear alignments are correct, especially the Wiper Arm Unit and Drive Rack Unit of Cassette Up Ass'y.
Page 19 Unit counterclockwise. 5. Eject the cassette by applying+10.0 V DC Power Supply again. 5.1.9. VCR Test Mode High Voltage is inhibited by connecting Jumper J801 on the TV/VCR Main C.B.A., however, it is possible to check the VCR even when CRT C.B.A. and Anode Cap are removed. 5.1.10.
Page 20 5.1.12. HOW TO SET TRACKING TO THE NEUTRAL POSITION Ejecting the cassette tape and then reinserting it will reset the tracking to the Neutral position. 5.1.13. BLACK SCREWS ON THE CHASSIS Black Screws are used on the Mechanism Chassis to identify screws that require adjustment. 5.1.14.
Page 21 (266°F ~ 302°F) (130°C ~150°C) for about two minutes. Note: A. Leadless components must not be reused after removal. B. Excessive mechanical stress and rubbing of the component electrode must be avoided. 2. Removing the leadless component Grasp the leadless component body with tweezers and alternately apply heat to both electrodes.
Page 22: Ic, Transistor And Chip Part Information
Do not glue the replacement leadless component to the circuit board. 5.1.19. MODEL NO. IDENTIFICATION MARK Use Marks shown in the chart below to distinguish the different models included in this Service Manual. 5.2. IC, TRANSISTOR AND CHIP PART INFORMATION 5.2.1.
Page 23: Disassembly/Assembly Procedures
5.2.2. HOW TO READ THE VALUES OF THE CYLINDRICAL TYPE CHIP COMPONENTS. The widest color band must be read first for value. 1. RESISTOR There are two types (ERD10LLJ... and ERD10TLJ...) of chip parts. A. ERD10LLJ: Refer to above type. B.
Page 24: Disassembly Method
6.1.2. Disassembly Method How to read chart shown above: A:Order of Procedure steps. When reassembling, perform steps(s) in reverse order. These numbers are also used as the identification (location) No. of parts in Figures.
Page 25 B: Part to be removed or installed. C: Fig. No. showing Procedure or Part Location. D: Identification of part to be removed, unhooked, unlocked, released, unplugged or unsoldered. 6(S-1)= 6 Screws (S-1), 6(L-1)= 6 Locking Tabs (L-1), (P-1)= Spring (P-1) E: Refer to "Notes in chart."...
Page 26 Fig. D5 6.1.2.1. Notes in chart...
Page 27 1. Installation of VCR Unit CAUTION: Opener Lever may be damaged when VCR Unit is installed, with Cassette Door-Lid and Opener Lever of Cassette Up Ass'y set incorrectly. A. When installing the VCR Unit, swing the Cassette Door-Lid all the way open until the Cassette Door tab clears the Opener Lever.
Page 28: Mechanism Section
Work carefully so as not to break Sensor LED when lifting the Mechanism Chassis and Cassette Up Ass'y. Installation of Mechanism Chassis and Cassette Up Ass'y onto TV /VCR Main C.B.A. A. Make sure the Mode Select SW. on the TV/VCR Main C.B.A. is in EJECTposition.
Page 29 6.2.2. Inner Parts Location Fig. J1-1...
Page 30 6.2.3. EJECT Position Confirmation Fig. J1-2...
Page 31 6.2.4. Grounding Plate Unit, Full Erase Head, and Cylinder Unit Fig. J2-1...
Page 32 6.2.4.1. Reassembly Notes 1. Adjustment of Grounding Plate Unit A. After installing, make sure that the Grounding Plate Unit, on the top side of mechanism chassis, is positioned on the front side of the Cylinder shaft so that the center line of the plateis just less than 1.0 mm measured from the center of the Cylinder shaft.
Page 33 6.2.5. Capstan Belt, Support Angle, Intermediate Gear B, and Main Cam Gear Fig. J3-1 6.2.5.1. Reassembly Notes...
Page 34 1. Alignment of Main Cam Gear, Drive Rack Arm, and Main Rod A. Confirm that the hole on Main Rod is a Through Hole with a hole on chassis. B. Confirm that the hole on Drive Rack Arm is a Through Hole with a hole on chassis.
Page 35 3. Holes on Main Cam Gear A. The EJECT mode Hole on Main Cam Gear should be a Through Hole with Hole A on Support Angle in EJECT mode. The each mode Hole on Main Cam Gear should be a Through Hole with Hole B on SupportAngle in each mode.
Page 36 6. The Main Cam Push Nut is not reusable. Install a new one. 6.2.6. Center Clutch Unit, Changing Gear Spring, Changing Gear, and Idler Arm Unit Fig. J4-1 6.2.6.1. Reassembly Notes 1. Installation of Center Clutch Unit A. Fit the Center Clutch Unit into the Changing Gear. Fig.
Page 37 6.2.7. Reel Gear and Main Rod Fig. J5-1 6.2.7.1. Reassembly Notes 1. Alignment of Main Rod and T Loading Arm Unit A. Align the Gear of T Loading Arm Unit with Gear of Main Rod. Confirm that the Hole on Main Rod is a Through Hole with a hole on chassis.
Page 38 6.2.8. Stopper Angle, Capstan Rotor Unit, Oil Seal, Capstan Stator C.B.A., and MR Head Fig. J6-1 6.2.8.1. Reassembly Notes 1. Application of Silicon Grease CAUTION: When installing the IC2501 (AN3845SC) or Capstan Stator C.B.A.,...
Page 39 be sure to apply Silicon Grease (VFK1301) as shown. Be careful not to touch other parts with greased portion to prevent grease depletion. Fig. J6-2 2. Installation of Capstan Rotor Unit and Oil Seal A. Install the 2 Oil Seals into the Capstan Holder Unit. Then, insert the Capstan Rotor Unit Shaft into the hole of the Capstan Holder Unit so that shaft passes through 2 Oil Seals.
Page 40 6.2.9. T Loading Arm Unit and S Loading Arm Unit Fig. J7-1 6.2.9.1. Reassembly Notes 1. Alignment of T Loading Arm Unit and S Loading Arm Unit A. Install the S Loading Arm Unit onto the chassis. B. Install the T Loading Arm Unit so that the hole on T Loading Arm Unit is aligned with the hole on S Loading Arm Unit.
Page 41 Note: 1. Only For early products; the Assist Spring is used. When servicing the Assist Spring or the Tension Arm Unit, replace only the Tension Arm Unit with a new one and remove the Assist Spring. 6.2.10.1. Reassembly Notes 1. How to distinguish between S Reel Table and T Reel Table Fig.
Page 42 6.2.12. Opener Piece, Drive Rack Arm, Pinch Arm Unit, P5 Arm Unit, and Intermediate Gear A Fig. J10-1 6.2.12.1. Reassembly Notes 1. Installation/Alignment of Intermediate Gear A, Lift Gear and P5 Arm Unit A. Rotate the Lift Gear so that Hole A on Lift Gear is a Through Hole with a hole on chassis.
Page 43 Fig. J10-2 2. Installation of Opener Piece A. Install the Opener Piece so that the slot of the Opener Piece is inserted to the Pin of Pinch Arm Unit Fig. J10-3 6.2.13. Motor Block Unit, Audio Control Head Unit, Lift Gear, Capstan Holder Unit, and Tension Arm Boss Fig.
Page 44 6.3. CASSETTE UP ASS'Y SECTION 6.3.1. Top Plate, Wiper Arm Unit, and Holder Unit Fig. K1-1...
Page 45 6.3.1.1. Reassembly Notes 1. Alignment of Wiper Arm Unit and Drive Rack Unit A. Slide the Drive Rack Unit to the far right as indicated by the arrow. B. Install the Wiper Arm Unit so that the hole on the Wiper Arm Unit is aligned with the hole on the Drive Rack Unit.
Page 46 2. Installation of Holder Unit A. Turn the Wiper Arm Unit so that the grooves on each end are aligned with the each groove on Side Plate L and R. B. Insert Holder Unit boss (A) and (B) into the grooves as shown in Fig.
Page 47: Adjustment Procedures
6.3.2. Opener Lever and Drive Rack Unit Fig. K2 7. ADJUSTMENT PROCEDURES 7.1. SERVICE FIXTURES AND TOOLS 7.2. MECHANICAL ADJUSTMENT 7.2.1. CLEANING PROCEDURE FOR THE UPPER CYLINDER UNIT 1. While slowly turning the Upper Cylinder Unit counterclockwise by hand, gently rub the Video Heads with a Head Cleaning Stick (VFK27) moistened with Ethanol.
Page 48 Fig. M1 Note: A. Do not rub vertically or apply excess pressure to the Video Heads. Do not turn the Upper Cylinder Unit clockwise while cleaning. B. After cleaning, use a Dry Head Cleaning Stick (VFK27) to remove any Ethanol remaining on the cylinder tape path. Otherwise, tape damage will occur.
Page 49 Fig. M2-1 3. If the reading is out of specification, make sure that there is no dust or foreign material between the Brake Pad of Tension Control Arm Unit and the S Reel Table. After cleaning, the reading of tension measurement is still out of specification, replace the Tension Arm Unit and the Tension Control Arm Unit.
Page 50 be achieved. Equipment Required: Oscilloscope Specification: 0.1 mm ~ 0.13 mm 1. Remove the VCR Chassis Unit and then place it upside down. 2. Remove the TV/VCR Main C.B.A. 3. Slightly loosen Screw (A). Then set the Screwdriver (Phillips Driver) into the Hole (A). Turn the screwdriver clockwise until the MR Head touches the rotor.
Page 51 " in SERVICE NOTES. 2. Supply a Video Signal to the video input jack. 3. Insert a cassette tape and place the unit in SLP recording mode. 4. Connect the oscilloscope to Pin 9 of P6201 on the TV/VCR Main C.B.A.
Page 52 1. Place a jumper between TP6003 and+5V(TP6009) on the TV/VCR Main C.B.A. to defeat Auto Tracking. 2. Eject the tape and insert it again to access the Neutral Tracking position. 3. Play back the alignment tape. 4. Connect the oscilloscope to TP3002 on the Video Signal Process Section of the TV/VCR Main C.B.A.
Page 53 P2 and P3 posts. Fig. M4-3 7. Remove the jumper after completing the adjustment procedure. 7.2.2.3.2. AUDIO CONTROL HEAD TILT ADJUSTMENT Purpose: To confirm that the tape runs smoothly. In particular, confirm that the tape properly picks up the Audio Signal at the upper part of the head and the Control Signal at the lower part of the head.
Page 54 cannot be achieved. A Blue screen will be seen in Playback. This confirmation is required when the Audio Control Head is replaced. 1. Play back a T120 cassette tape and check that the lower edge of the tape runs approximately 0.25 mm above the lower edge of the Audio Control Head.
Page 55 4. Confirm the height of the Audio Control Head is proper. If not, readjust Black Screws (A) and (B). 7.2.2.3.5. AUDIO CONTROL HEAD HORIZONTAL POSITION ADJUSTMENT Purpose: To adjust the Horizontal Position of the Audio Control Head. Symptom of Misadjustment: If the Horizontal Position of the Audio Control Head is not properly adjusted, a maximum envelope cannot be obtained at the Neutral Position of the Tracking Control Circuit.
Page 56: Electrical Adjustment
Note: Old type of H-Position Adjustment Driver (VFK0136) can be used for this adjustment. 7.3. ELECTRICAL ADJUSTMENT NOTE: Following Adjustments have been preadjusted at factory and are not required. - Purity Adjustment - Static Central Convergence Adjustment - Dynamic Convergence Adjustment 7.3.1.
Page 57 7.3.3. STEREO/SAP SEPARATION ADJUSTMENT Purpose: To separate the L and R Channels of Stereo Signal. Symptom of Misadjustment: The L and R Channels of Stereo Signal will not be separated properly resulting in no stereophonic effect. Test Point: TP9001, TP9101 (Audio C.B.A.) Adjustment: R9001, R9008, R9101, R9108 (Audio C.B.A.) Specification:...
Page 58 1. Set to TV mode, and then set to STEREO audio. 2. Connect the RF OUTPUT of the MTS/SAP Signal Generator to the Antenna Input Terminal. Then, set the MTS/SAP Signal Generator as follows. MTS (ONLY L CH) 300 Hz±5 Hz 14% or 7% Modulating 3.
Page 59 3 kHz±5 Hz 14% or 7% Modulating 11. Adjust R9108 (SEP (H) ) on the Audio C.B.A. so that the signal level of TP9101 is minimum. Fig. E2-2 7.3.4. SEPARATION ADJUSTMENT Note: Be sure to perform this adjustment after STEREO/SAP SEPARATION ADJUSTMENT are completed.
Page 60 Equipment: Oscilloscope, MTS/SAP Signal Generator 1. Connect the RF OUTPUT of the MTS/SAP Signal Generator to the Antenna Input Terminal. 2. Connect the Oscilloscope to TP9001 on the Audio C.B.A. 3. Set to TV mode, and then set to STEREO audio. 4.
Page 61 Test Point: Pin 25 of P4203, TP9201 (Audio C.B.A.) Adjustment: R9205 (Audio C.B.A.) Specification: 38.0 kHz±50 Hz Input: ---------- Mode: STEREO audio (FM Radio) Equipment: Frequency Counter 1. Connect Pin 25 of P4203 on Audio C.B.A. to GND. Fig. E4-1 2.
Page 62 7.3.7. EVR ADJUSTMENT ITEM The following Items need to be adjusted for EVR adjustment. - PG SHIFTER ADJUSTMENT - SUB CONTRAST ADJUSTMENT - CUT OFF, DRIVE ADJUSTMENT...
Page 63 - SUB COLOR/SUB TINT ADJUSTMENT - V. HEIGHT/H. POSITION ADJUSTMENT - WHITE BALANCE ADJUSTMENT - SUB BRIGHTNESS ADJUSTMENT 7.3.8. HOW TO ENTER EVR ADJUSTMENT MODE Press and hold STOP, PLAY, and VOL DOWN buttons on the unit together over 5 seconds with no cassette inserted.
Page 64 4. Press VOL UP/DOWN key on the remote control so that the shaded area moves to the control function. Fig. E5-4 5. Press CH UP/DOWN key on the remote control to select a control function for the next adjustment if necessary. Fig.
Page 65: Test Point
1. Enter EVR adjustment mode. 2. Press DISPLAY key on the remote control for collapse scan. Note: Before pressing DISPLAY key on the remote control for collapse scan, select the desired control function and move the shaded area to the value for adjustments you will proceed. Fig.
Page 66 2. Connect the channel-1 scope probe to TP3001 and the channel-2 scope probe to TP6205. Used TP6205 as a trigger. 3. Adjust value so that the trailing edge of the head switching pulse is placed 6H±1H (0.38 ms±0.06 ms) before the start of the vertical sync pulse.
Page 67 Mode: STOP Equipment: Oscilloscope, NTSC Video Pattern Generator 1. Set to PINP mode, and then set PARENT PICTURE to UHF/VHF TUNER/TV DEMODULATOR 2 UNIT input. 2. Supply a Crosshatch Pattern Signal to the Antenna Input Terminal. 3. Connect the Oscilloscope to Pin 5 of P8001 on the TV PROCESS C.B.A.
Page 68 7.3.13. FOCUS, SCREEN, CUT OFF, DRIVE ADJUSTMENT Purpose: To set the optimum Focus and Screen. Symptom of Misadjustment: The picture is out of Focus and there will be an improper screen color mix. Test Point: TP50 (CRT C.B.A.) Adjustment: FOCUS CONTROL (Flyback Transformer), SCREEN CONTROL (Flyback Transformer), SUB BRIGHT (EVR), R- SUB BRIGHT (EVR),...
Page 69 4. Select SUB BRIGHT and move the shaded area to the value in EVR adjustment mode. 5. Adjust the FOCUS CONTROL on the Flyback Transformer so that the center of picture is the sharpest. 6. Turn the SCREEN CONTROL on the Flyback Transformer fully counterclockwise.
Page 70 14. Set PARENT PICTURE to UHF/VHF TUNER/TV DEMODULATOR 1 UNIT input. 15. Select R-SUB BRIGHT and move the shaded area to the value in EVR adjustment mode. 16. Adjust the FOCUS CONTROL on the Flyback Transformer so that the center of picture is the sharpest. 17.
Page 71 To set the standard color phase. Symptom of Misadjustment : Color phase will be shifted. Test Point: Pin 5 of P8001 (TV PROCESS C.B.A.) or TP49 (CRT C.B.A.) Adjustment: SUB COLOR (EVR), SUB TINT (EVR), R-SUB COLOR (EVR), R-SUB TINT (EVR) Specification: C= 1.50 V[p-p]±0.15 V[p-p] Input:...
Page 72 6. Select SUB COLOR in EVR adjustment mode and adjust so that the level C is 1.50 V[p-p]±0.15 V[p-p]. Fig. E9-2 7. Select SUB BRIGHT in EVR adjustment mode and reset to the original value. 8. Set PARENT PICTURE to UHF/VHF TUNER/TV DEMODULATOR 1 UNIT input.
Page 73 To set the standard vertical and horizontal picture size. Symptom of Misadjustment : The picture size is on the vertical and horizontal axis is abnormal. Test Point: ---------- Adjustment: V SIZE (EVR), H CENTER (EVR), V POSITION (EVR) Specification: Refer to descriptions below. Input: Video Input Jack, Monoscope Pattern Signal...
Page 74: Specification
7.3.16. WHITE BALANCE ADJUSTMENT Purpose: To set the standard white level for each color temperature. Symptom of Misadjustment : White becomes bluish or reddish. Test Point: TP50 (CRT C.B.A) Adjustment: FOCUS CONTROL (Flyback Transformer), SCREEN CONTROL (Flyback Transformer), SUB BRIGHT (EVR), R-SUB BRIGHT (EVR), G DRIVE (EVR), B DRIVE (EVR),...
Page 75 Antenna Input Terminal, Monoscope Pattern Signal, White Pattern Signal Mode: STOP Equipment: NTSC Video Pattern Generator, White Pattern Generator, Oscilloscope 1. Set to PINP mode, and then set PARENT PICTURE to UHF/VHF TUNER/TV DEMODULATOR 2 UNIT input. 2. Supply a Monoscope Pattern Signal to the Antenna Input Terminal. 3.
Page 76 clockwise carefully and stop at the point where any color is first observed. 10. In EVR adjustment mode, select the two colors not observed in step 9 from the following control functions (B CUT -OFF, G CUT - OFF, or R CUT -OFF) and adjust so that the horizontal line becomes white.
Page 77 22. Turn the SCREEN CONTROL on the Flyback Transformer clockwise carefully and stop at the point where any color is first observed. 23. In EVR adjustment mode, select the two colors not observed in step 22 from the following control functions (B CUT -OFF, G CUT - OFF, or R CUT -OFF) and adjust so that the horizontal line becomes white.
Page 78 Adjustment: SUB BRIGHT (EVR) Specification: Refer to descriptions below. Input: ---------- Mode: STOP 1. Do not input any signal to the unit. 2. Set INPUT SELECT item to LINE in SET UP TV menu to display black screen. 3. Select SUB BRIGHT in EVR adjustment mode, and adjust so that the black screen starts to turn grey (lighting only).
Page 79 1. Set to PINP mode, and then move CHILD PICTURE to the upper left on monitor. 2. Supply a 100% chrominance signal to the Video Input Jack. 3. Connect the Oscilloscope to TP5312 on the TV PROCESS C.B.A. 4. Select COLOR in EVR adjustment mode and adjust so that level A and B should be equal in amplitude.
Page 80: Test Points And Control Location
Refer to descriptions below. Input: Video Input Jack, Color Bar signal Mode: STOP Equipment: NTSC Video Pattern Generator, Oscilloscope 1. Set to PINP mode, and then move CHILD PICTURE to the upper left on monitor. 2. Supply a Color Bar signal to the Video Input Jack. 3.
Page 82: Schematic Diagrams
8. SCHEMATIC DIAGRAMS 8.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 8.2. MAIN I (SYSTEM CONTROL/SERVO/OPERATION/CYLINDER DRIVE) SCHEMATIC DIAGRAM 8.3. MAIN II (SIGNAL PROCESS/OSD/AUDIO) SCHEMATIC DIAGRAM 8.4. MAIN III SCHEMATIC DIAGRAM 8.5. MAIN IV (AUDIO AMP) SCHEMATIC DIAGRAM...
Page 83: Circuit Board Layout
8.6. MAIN V (POWER SUPPLY) SCHEMATIC DIAGRAM 8.7. MAIN VI/ TV POWER SCHEMATIC DIAGRAM 8.8. MAIN VII (DEMODULATOR) SCHEMATIC DIAGRAM 8.9. MAIN VIII SCHEMATIC DIAGRAM 8.10. AUDIO SCHEMATIC DIAGRAM 8.11. TV PROCESS I SCHEMATIC DIAGRAM 8.12. TV PROCESS II SCHEMATIC DIAGRAM 8.13.
Page 84: Exploded Views
10.5. Hi-Fi AUDIO SIGNAL PATH BLOCK DIAGRAM 10.6. SYSTEM CONTROL BLOCK DIAGRAM 10.7. SERVO BLOCK DIAGRAM 10.8. PICTURE IN PICTURE BLOCK DIAGRAM 10.9. TV/YC PROCESS BLOCK DIAGRAM 11. EXPLODED VIEWS 11.1. MECHANISM (TOP) SECTION...
Page 85 11.2. MECHANISM (BOTTOM) SECTION...
Page 86 11.3. CASSETTE UP COMPARTMENT SECTION...
Page 87: Chassis Frame Section
11.4. CHASSIS FRAME SECTION (1)
Page 88 11.5. CHASSIS FRAME SECTION (2)
Page 89: Packing Parts And Accessories Section
11.6. PACKING PARTS AND ACCESSORIES SECTION...
Page 90: Replacement Parts Lists
12. REPLACEMENT PARTS LISTS BEFORE REPLACING PARTS, READ THE FOLLOWING: 12.1. REPLACEMENT NOTES 12.1.1. General Notes 1. Use only original replacement parts:...
Page 91: Special Note
To maintain original function and reliability of repaired units, use only original replacement parts which are listed with their part numbers in the parts list. 2. IMPORTANT SAFETY NOTICE Components identified by the sign have special characteristics important for safety. When replacing any of these components, use only the specified parts.
Page 92 5. Main Cam Push Nut (Ref. No. 414) is not reusable. If removed, install a new one. 12.1.3. Electrical Replacement Notes 1. Item numbers with capital letter E (Example: E1, E2,...) in the Ref. No. column are shown in the exploded views. 2.
Page 93: Mechanical Replacement Parts List
7. Capstan Stator C.B.A. replacement note: The following parts on the Capstan Stator C.B.A. (VEMS0331) are not supplied separately. Please order and replace with the circuit board assembly instead of individual parts. (Q2501, Q2502, Q2503, Capstan Coil) 8. When installing the IC2501 (AN3846SC or AN3845SC) or Capstan Stator C.B.A., be sure to apply Silicon Grease (VFK1301).
Page 94 Ref. No. Part No. Part Name& Description Remarks VBSS0033 FULL ERASE HEAD VXKS0890 MOTOR BLOCK UNIT LSDB0045 TENSION ARM BOSS VXDS0212 CAPSTAN HOLDER UNIT LSMD0209 OPENER PIECE VVGS0009 MAIN CAM GEAR KIT LSDR0004 S REEL TABLE LSDR0005 T REEL TABLE VEGS0429 CYLINDER UNIT VEHS0583...
Page 95 Ref. No. Part No. Part Name& Description Remarks LXQUS01270K TOP SHIELD PLATE ASS'Y 5 MKA LXQAS2209S SPEAKER UNIT 4 MKA VKFS2235 BATTERY COVER 6 MKA TKK778205-3 HANDLE 4 MKA LPE64005A BAG,POLYETHYLENE 6 MKA PACKING CASE,PAPER LSPG0739 ( A ) 6 MKA LSPG0823 ( B ) 6 MKA...
Page 96: Electrical Replacement Parts List
Ref. No. Part No. Part Name& Description Remarks VFMS0003H6 VHS ALIGNMENT TAPE VFKS0081 GREASE VFK0329 POST ADJUSTMENT DRIVER VFK1301 SILICON GREASE VFK27 HEAD CLEANING STICK VFK0330 H-POSITION ADJUSTMENT DRIVER 12.3. ELECTRICAL REPLACEMENT PARTS LIST PRINTED CIRCUIT BOARD ASSEMBLY Ref. No. Part No.
Page 97 Ref. No. Part No. Part Name& Description Remarks Q501 2SC2482KT Q551 2SD2539LBK Q571 2SC2785(TH) OR 2SC2785(TJ) OR 2SC945A(TQ) Q581 2SA1321TPE6 OR 2SA1767(Q) OR 2SB1221(Q) Q801 2SC2785(TH) OR 2SC2785(TJ) OR 2SC945A(TQ) Q1001 2SC4130LF608 OR 2SC4559LP.KT Q1002 2SD2259 Q1003 2SC4081T106R CHIP OR 2SD1819A(R,S) CHIP Q1004 2SA1037K146R CHIP...
Page 98 Q4101 2SC2412K1 CHIP Ref. No. Part No. Part Name& Description Remarks OR 2SD601A CHIP Q4154 DTC124EK CHIP OR UN2212 CHIP Q4171 2SC2412K1 CHIP OR 2SD601A CHIP Q4173 DTC144EK CHIP OR UN2213 CHIP Q4701 2SC2412K1 CHIP OR 2SD601A CHIP Q4702 2SC2412K1 CHIP OR 2SD601A CHIP...
Page 99 Ref. No. Part No. Part Name& Description Remarks D503 ERB43-04V OR ES1V D505 MA165 OR 1SS119 OR 1SS133T D553 ERB43-04V OR ES1V D554 MA167 OR 4148-TA D558 ERB43-04V OR ES1V D560 ERB44-04V D582 ERD07-15L26 D591 TRPW5B0M050D THERMISTOR D806 MA167 OR 4148-TA D807 ERC13-08 D808...
Page 100 Ref. No. Part No. Part Name& Description Remarks D4171 MA165 OR 1SS119 OR 1SS133T D4523 MA165 OR 1SS119 OR 1SS133T D4524 MA165 OR 1SS119 OR 1SS133T D4591 RD9.1EW ZENER 9.1V D4701 MA4056-M ZENER 5.6V D4702 VCYSARH101KB CERAMIC 50V 100P D4703 VCYSARH101KB CERAMIC 50V 100P D4705 VCYSARH101KB CERAMIC 50V 100P...
Page 101 Ref. No. Part No. Part Name& Description Remarks R501 ERDS2TJ681 R502 ERDS2TJ332 3.3K R505 ERDS2TJ561 R511 ERG3FJ272H METAL OXIDE 3W 2.7K R513 ERG12SJ560P METAL OXIDE 1/2W 56 R516 LAR05222J09 W FLMPRF 5W 2.2K R552 ERDS2TJ103 R553 ERDS2TJ102 R554 ERDS2TJ822 8.2K R555 ERDS2TJ683 R556...
Page 102 Ref. No. Part No. Part Name& Description Remarks R1051 ERJ6GEYJ472V MGF CHIP 1/10W 4.7K R1052 ERDS2TJ153 R1053 ERDS2TJ153 R1057 ERDS2TJ331 R1058 ERJ6GEYJ104V MGF CHIP 1/10W 100K R1068 ERDS2TJ182 1.8K R1069 ERDS2T0 R1070 ERJ6GEYJ154V MGF CHIP 1/10W 150K R1071 ERJ6GEYJ223V MGF CHIP 1/10W 22K R1072 ERJ6GEYJ223V MGF CHIP 1/10W 22K...
Page 103 Ref. No. Part No. Part Name& Description Remarks R3313 ERJ6GEYJ103V MGF CHIP 1/10W 10K R3316 ERJ6GEYJ102V MGF CHIP 1/10W 1K R3317 ERJ6GEYJ101V MGF CHIP 1/10W 100 R3321 ERJ6GEYJ223V MGF CHIP 1/10W 22K R3325 ERJ6GEYJ103V MGF CHIP 1/10W 10K R3326 ERJ6GEYJ105V MGF CHIP 1/10W 1M R3329 ERJ6GEYJ331V...
Page 104 Ref. No. Part No. Part Name& Description Remarks R4509 ERDS2TJ100 R4512 ERJ6GEYJ102V MGF CHIP 1/10W 1K R4514 ERJ6GEYJ823V MGF CHIP 1/10W 82K R4519 ERDS2TJ100 R4521 ERQ1ABJP2R2S FUSE 1W 2.2 R4523 ERJ6GEY0R00V MGF CHIP 1/10W 0 R4524 ERJ6GEYJ223V MGF CHIP 1/10W 22K R4591 ERDS2TJ681 R4592...
Page 105 Ref. No. Part No. Part Name& Description Remarks R6072 ERJ6GEYJ103V MGF CHIP 1/10W 10K R6077 ERJ6GEYJ103V MGF CHIP 1/10W 10K R6081 ERJ6GEYJ103V MGF CHIP 1/10W 10K R6082 ERDS2TJ222 2.2K R6098 ERJ6GEYJ103V MGF CHIP 1/10W 10K R6099 ERJ6GEYJ103V MGF CHIP 1/10W 10K R6100 ERJ6GEYJ102V MGF CHIP 1/10W 1K...
Page 106 Ref. No. Part No. Part Name& Description Remarks R6206 ERJ6GEYJ221V MGF CHIP 1/10W 220 R6209 ERJ6GEYJ152V MGF CHIP 1/10W 1.5K R6210 ERJ6GEYJ472V MGF CHIP 1/10W 4.7K R6212 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K R6213 ERJ6GEYG102V MGF CHIP+-2% 1/10W 1K R6214 ERJ6GEYG102V MGF CHIP+-2% 1/10W 1K R6216 ERJ6GEYJ274V...
Page 107 Ref. No. Part No. Part Name& Description Remarks R6553 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K R6554 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K R6555 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K R6556 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K R6557 ERJ6GEYJ223V MGF CHIP 1/10W 22K R6558 ERJ6GEYJ473V MGF CHIP 1/10W 47K R6559 ERJ6GEYJ473V...
Page 108 Ref. No. Part No. Part Name& Description Remarks OR VCKSEMD103PZ CERAMIC+100%-0% 125V 0.01 OR VCKST3G103MY CERAMIC+-20% 125V 0.01 OR VCKSU3D103MY CERAMIC+-20% 125V 0.01 C1002 ECKATS332ME8 CERAMIC+-20% 250V 3300P OR ECKDNB332ME8 CERAMIC+-20% 125V 3300P OR ECKETS332ME8 CERAMIC+-20% 250V 3300P OR VCKSEKD332MY CERAMIC+-20% 125V 3300P OR VCKSEVD332MY CERAMIC+-20% 125V 3300P OR VCKST3G332MX CERAMIC+-20% 125V 3300P OR VCKSU3D332MX CERAMIC+-20% 125V 3300P...
Page 109 Ref. No. Part No. Part Name& Description Remarks C3007 ECEA0JKA221 ELECTROLYTIC 6.3V 220 C3008 ECUV1H181JCN C CHIP+-5% 50V 180P C3009 ECEA1EKA4R7 ELECTROLYTIC 25V 4.7 C3010 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C3013 ECUV1C224ZFN C CHIP+80%-20% 16V 0.22 C3015 ECEA0JKA470 ELECTROLYTIC 6.3V 47 C3016 ECEA1CKS100 ELECTROLYTIC 16V 10...
Page 110 Ref. No. Part No. Part Name& Description Remarks C3301 ECUV1H220JCN C CHIP+-5% 50V 22P C3302 ECUV1H180JCN C CHIP+-5% 50V 18P C3303 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C3304 ECEA0JKA221 ELECTROLYTIC 6.3V 220 C3308 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C3309 ECEA1HKS010 ELECTROLYTIC 50V 1 C3310 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01...
Page 111 Ref. No. Part No. Part Name& Description Remarks C6004 ECEA0JKA101 ELECTROLYTIC 6.3V 100 C6005 ECUV1H103KBN C CHIP 50V 0.01 C6009 ECEA0JKA470 ELECTROLYTIC 6.3V 47 C6011 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C6012 ECUV1H180JCN C CHIP+-5% 50V 18P C6013 ECUV1H150GCN C CHIP+-2% 50V 15P C6014 ECUV1H020CCN C CHIP+-0.25P 50V 2P...
Page 112: Crystal Oscillator
COILS Ref. No. Part No. Part Name& Description Remarks L501 LLH6602T HORIZONTAL LINEAR COIL L803 ELF18D650B LINE FILTER 2.4A 3.3M L1001 ELF15N005AB LINE FILTER 0.5A 18M L1002 VLQSAB7D220K 22 L1003 VLQSAB7D100K 10 L1006 VLPS0083 L3001 VLQSH02R390K 39 L3002 ELESN470KA L3005 VLQSH02R330K 33 L3010 ELESN270KA...
Page 113 Ref. No. Part No. Part Name& Description Remarks SW6001 LSSH0002 LEAF SWITCH-SAFETY TAB SW6002 LSSS0008 MODE SWITCH SW6301 EVQ21405R PUSH SWITCH SW6302 EVQ21405R PUSH SWITCH SW6303 EVQ21405R PUSH SWITCH SW6304 EVQ21405R PUSH SWITCH SW6305 EVQ21405R PUSH SWITCH SW6306 EVQ21405R PUSH SWITCH SW6307 EVQ21405R PUSH SWITCH SW6308 EVQ21405R...
Page 114: Integrated Circuits
PRINTED CIRCUIT BOARD ASSEMBLY Ref. No. Part No. Part Name& Description Remarks VEPS4034B AUDIO C.B.A. E134 VEPS3084C TV PROCESS C.B.A. E135 LRP63019B VERTICAL C.B.A. MISCELLANEOUS Ref. No. Part No. Part Name& Description Remarks ENG36703G TUNER 1,UHF/VHF NR LFX6106A AC CORD W/PLUG,125V OR LSJA0256 AC CORD W/PLUG,125V EYF52BC...
Page 115 TRANSISTORS Ref. No. Part No. Part Name& Description Remarks Q9001 2SC2412K1 CHIP OR 2SD601A CHIP Q9002 2SC2412K1 CHIP OR 2SD601A CHIP Q9101 2SC2412K1 CHIP OR 2SD601A CHIP Q9102 2SC2412K1 CHIP OR 2SD601A CHIP DIODES Ref. No. Part No. Part Name& Description Remarks D4281 MA111...
Page 116 Ref. No. Part No. Part Name& Description Remarks R4271 ERJ6GEYJ102V MGF CHIP 1/10W 1K R4272 ERJ6GEYJ102V MGF CHIP 1/10W 1K R4274 ERJ6GEYJ223V MGF CHIP 1/10W 22K R4275 ERJ6GEYJ273V MGF CHIP 1/10W 27K R4276 ERJ6GEYJ332V MGF CHIP 1/10W 3.3K R4277 ERJ6GEYJ122V MGF CHIP 1/10W 1.2K R4278 ERJ6GEYJ223V...
Page 117 Ref. No. Part No. Part Name& Description Remarks R9102 ERJ6GEYG683V MGF CHIP+-2% 1/10W 68K R9103 EVNDCAA03B14 VARIABLE 10K R9104 ERJ6GEYJ182V MGF CHIP 1/10W 1.8K R9105 ERJ6GEYJ105V MGF CHIP 1/10W 1M R9106 ERJ6GEYJ104V MGF CHIP 1/10W 100K R9107 ERJ6GEYJ392V MGF CHIP 1/10W 3.9K R9108 EVMAASA00B53 VARIABLE 5K R9109...
Page 118 Ref. No. Part No. Part Name& Description Remarks C4201 ECEA1CKA100 ELECTROLYTIC 16V 10 C4202 ECEA1HKA010 ELECTROLYTIC 50V 1 C4203 ECEA1HKA010 ELECTROLYTIC 50V 1 C4204 ECEA1HKA010 ELECTROLYTIC 50V 1 C4205 ECEA1HKA010 ELECTROLYTIC 50V 1 C4208 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C4209 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C4210 ECEA0JKA330...
Page 119 Ref. No. Part No. Part Name& Description Remarks C9010 ECEA1HKA010 ELECTROLYTIC 50V 1 C9011 ECEA1CKA100 ELECTROLYTIC 16V 10 C9012 ECEA1CKA100 ELECTROLYTIC 16V 10 C9013 ECEA1CKA100 ELECTROLYTIC 16V 10 C9014 ECEA1EKN4R7 ELECTROLYTIC 25V 4.7 C9015 ECEA1HKA3R3 ELECTROLYTIC 50V 3.3 C9016 ECEA1EKN4R7 ELECTROLYTIC 25V 4.7 C9017 ECUV1E473KBN C CHIP 25V 0.047...
Page 120 COILS Ref. No. Part No. Part Name& Description Remarks L9001 ELESN101KA L9101 ELESN101KA L9201 ELESN101KA PIN HEADERS Ref. No. Part No. Part Name& Description Remarks P4201 VJHS0299 P4202 VJHS0298 PACK PIN 8P P4203 VJHS0298 PACK PIN 8P P4204 VJHS0298 PACK PIN 8P P4205 VJHS0298 PACK PIN 8P...
Page 121 Ref. No. Part No. Part Name& Description Remarks Q5201 2SC2412K1 CHIP OR 2SD601A CHIP Q5202 2SC2412K1 CHIP OR 2SD601A CHIP Q5203 2SC2412K1 CHIP OR 2SD601A CHIP Q5204 2SC2412K1 CHIP OR 2SD601A CHIP Q5205 2SC2412K1 CHIP OR 2SD601A CHIP Q5206 2SA1037K146R CHIP OR 2SB709A CHIP...
Page 122 DIODES Ref. No. Part No. Part Name& Description Remarks D5201 MA165 OR 1SS119 OR 1SS133T D5304 MA165 OR 1SS119 OR 1SS133T D5501 MA4062-L ZENER 6.2V RESISTORS...
Page 123 Ref. No. Part No. Part Name& Description Remarks R5201 ERJ6GEYJ104V MGF CHIP 1/10W 100K R5202 ERJ6GEYJ153V MGF CHIP 1/10W 15K R5203 ERJ6GEYJ103V MGF CHIP 1/10W 10K R5204 ERJ6GEYJ473V MGF CHIP 1/10W 47K R5205 ERJ6GEYJ682V MGF CHIP 1/10W 6.8K R5206 ERJ6GEYJ153V MGF CHIP 1/10W 15K R5207 ERJ6GEYJ473V...
Page 124 Ref. No. Part No. Part Name& Description Remarks R5242 ERJ6GEYJ122V MGF CHIP 1/10W 1.2K R5243 ERJ6GEYJ332V MGF CHIP 1/10W 3.3K R5244 ERJ6GEYJ101V MGF CHIP 1/10W 100 R5245 ERJ6GEYJ561V MGF CHIP 1/10W 560 R5246 ERJ6GEYJ391V MGF CHIP 1/10W 390 R5248 ERJ6GEYJ221V MGF CHIP 1/10W 220 R5249 ERJ6GEYJ821V...
Page 125 Ref. No. Part No. Part Name& Description Remarks R5402 ERJ6GEYJ394V MGF CHIP 1/10W 390K R5403 ERJ6GEYJ221V MGF CHIP 1/10W 220 R5405 ERJ6GEYJ822V MGF CHIP 1/10W 8.2K R5406 ERJ6GEYJ101V MGF CHIP 1/10W 100 R5407 ERJ6GEYJ101V MGF CHIP 1/10W 100 R5501 ERJ6GEYJ471V MGF CHIP 1/10W 470 R5502 ERJ6GEYJ394V...
Page 126 Ref. No. Part No. Part Name& Description Remarks C5201 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C5202 ECEA0JKA470 ELECTROLYTIC 6.3V 47 C5203 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C5204 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C5205 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C5206 ECEA1HKA010 ELECTROLYTIC 50V 1 C5207 ECEA0JKA470 ELECTROLYTIC 6.3V 47...
Page 127 Ref. No. Part No. Part Name& Description Remarks C5262 ECEA0JKA470 ELECTROLYTIC 6.3V 47 C5263 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C5264 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C5265 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C5266 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C5267 ECUV1E104ZFN C CHIP+80%-20% 25V 0.1 C5301 ECEA1CKN100 ELECTROLYTIC 16V 10...
Page 128 Ref. No. Part No. Part Name& Description Remarks C5658 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C5659 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C5660 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C5661 ECUV1H104ZFN C CHIP+80%-20% 50V 0.1 C5662 ECEA0JKA470 ELECTROLYTIC 6.3V 47 C5663 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C5664 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C5665...
Page 129: Pin Headers
Ref. No. Part No. Part Name& Description Remarks L5201 ELESN330KA L5202 ELESN330KA L5203 ELESN330KA L5204 ELESN330KA L5205 ELESN330KA L5206 ELESN330KA L5207 ELESN330KA L5208 ELESN330KA L5210 ELESN101KA L5212 ELESN101KA L5213 ELESN101KA L5218 EXCELDR25V BEAD INDUCTOR L5219 EXCELDR25V BEAD INDUCTOR L5220 EXCELDR25V BEAD INDUCTOR L5221 ELESN101KA...
Page 130 Ref. No. Part No. Part Name& Description Remarks VMTS0035 CUSHION,RUBBER VMAS1912 P.C.B. SUPPORT ANGLE E108 VMFS0136 SHEET,NYLON+RAYON E154 LSGQ0027 CUSHION,PLASTIC 12.3.4. VERTICAL C.B.A. INTEGRATED CIRCUITS Ref. No. Part No. Part Name& Description Remarks IC451 LA7837 IC, LINEAR VERTICAL OUT TRANSISTORS Ref.
Page 131 Ref. No. Part No. Part Name& Description Remarks D401 ERB12-01 OR ERB12-01RKV1 OR ERB12-01V D502 MA165 OR 1SS119 OR 1SS133T D504 MA4047-H ZENER 4.7V OR MA4047-M ZENER 4.7V OR RD4.7ESAB ZENER 4.7V OR RD4.7ESAB2 ZENER 4.7V OR 04AZ4.7ZTPA7 ZENER 4.7V D506 MA165 OR 1SS119...
Page 132 Ref. No. Part No. Part Name& Description Remarks R476 ERDS2TJ561 R477 ERDS2TJ102 R478 ERDS2TJ332 3.3K R480 ERDS1TJ391 1/2W 390 R481 ERDS1TJ122 1/2W 1.2K R482 ERDS2TJ150 R486 ERDS2TJ561 R487 ERDS1TJ122 1/2W 1.2K R503 ER0S2THF1072 +-1% 1/4W 10.7K OR ER0S2TKF1072 +-1% 1/4W 10.7K OR VRESR4TF1072 +-1% 1/4W 10.7K R509 ERDS2TJ101...
Page 133 Ref. No. Part No. Part Name& Description Remarks VMAS1912 P.C.B. SUPPORT ANGLE XYN3+F10S SCREW W/WASHER,STEEL TMM7443-1 CLAMPER E142 LML69002A CLAMPER E143 LSSC0254 HEAT SINK 12.3.5. TV POWER C.B.A. INTEGRATED CIRCUITS Ref. No. Part No. Part Name& Description Remarks IC801 STR30130 IC, LINEAR+130V REGULATOR RESISTORS Ref.
Page 134 RESISTORS Ref. No. Part No. Part Name& Description Remarks R2501 ERJ8GEYJ1R0Z MGF CHIP 1/8W 1 R2502 ERJ8GEYJ1R0Z MGF CHIP 1/8W 1 R2505 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K CAPACITORS Ref. No. Part No. Part Name& Description Remarks C2504 ECUV1H103ZFN C CHIP+80%-20%50V 0.01 C2506 ECUV1H103ZFN C CHIP+80%-20% 50V 0.01 C2507...
Page 135 Ref. No. Part No. Part Name& Description Remarks R3501 ERJ6GEYJ473V MGF CHIP 1/10W 47K R3502 ERJ6GEYJ560V MGF CHIP 1/10W 56 R3503 ERJ6GEYJ560V MGF CHIP 1/10W 56 R3504 ERJ6GEYJ560V MGF CHIP 1/10W 56 R3505 ERJ6GEYJ560V MGF CHIP 1/10W 56 R3506 ERJ6GEYJ561V MGF CHIP 1/10W 560 R3507 ERJ6GEYJ561V...
Page 136 Ref. No. Part No. Part Name& Description Remarks P2601 LSJS0096 CONNECTOR 12P P3501 VJSS0886 CONNECTOR 20P P4091 LSJWM6S085AC CONNECTOR CABLE W/OUT PLUG,AC40VP-P 12.3.8. CRT C.B.A. TRANSISTORS Ref. No. Part No. Part Name& Description Remarks Q351 2SC3063 OR 2SC3271F(N) OR 2SC3619 Q352 2SC3063 OR 2SC3271F(N)
Page 137 MISCELLANEOUS Ref. No. Part No. Part Name& Description Remarks TMM7443-1 CLAMPER 12.3.9. SUMMARY OF "E" ITEM NUMBERS REFER TO ELECTRICAL PARTS LIST FOR MODEL INFORMATION Ref. No. Part No. Part Name& Description Remarks VEPS3083D TV/VCR MAIN C.B.A. VEPS4034B AUDIO C.B.A. VEPS5035Z Hi-Fi AUDIO/VIDEO HEAD AMP C.B.A.
Page 138 Ref. No. Part No. Part Name& Description Remarks E152 VEKS5755 GROUNDING WIRE E153 LSZC0001 SHEET,CU E154 LSGQ0027 CUSHION,PLASTIC...
Page 139 CAPSTAN STATOR C.B.A. TV/VCR MAIN C.B.A. IC6001 (SYSTEM CONTROL MICROCONTROLLER) IC2501 (LOADING MOTOR DRIVE) SW6002 (MODE SELECT SWITCH) LOADING MOTOR P2502 P6201 PIN NO. OF IC6001 FORWARD(H) TP6023 MODE (39) (38) (37) MODE SW LOADING MOTOR P2502 P6201 FF/REW POSITION C LOADING REVERSE(H) TP6022...
Page 140 AUDIO CONTROL HEAD UNIT HEAD AMP C.B.A. TV/VCR MAIN C.B.A. IC6001 (SERVO MICROCONTROLLER) TP6003 P4092 P4091 P2601 P6202 (FROM IC3001(40)) CONTROL REC CTL ENVELOPE ENVELOPE VOLTAGE HEAD P4092 P4091 P2601 P6202 DETECTOR PB-ON POSITIVE PB CTL SLICER CAPSTAN STATOR C.B.A. NEGATIVE PB TP6207 CTL SLICER...
Page 141 REC VIDEO SIGNAL PB VIDEO SIGNAL TV PROCESS C.B.A. P5303 3.58MHz TUNER P5304 VIDEO IC5301 (INPUT SELECT) IC5651 (Y/C SEPARATION) Q5653, Q5655 LINE BUFFER Q5301 Q5651 NOT USED BUFFER BUFFER Q5654, Q5656 SEPARATION TUNER J5602 BUFFER FROM VIDEO MUTE SIGNAL PATH BLOCK DIAGRAM Q5652 BUFFER...
Page 142 VIDEO SIGNAL TV PROCESS C.B.A. CRT C.B.A. X5601 3.58MHz OSC TP47 IC5301 (LUMINANCE/CHROMINANCE PROCESS) 3.58MHz RGB AMP TO/FROM Q351 CHROMINANCE P5301 P351 CHROMINANCE PICTURE IN PICTURE BLUE AMP SIGNAL PROCESS BLOCK DIAGRAM Q352 CHARACTER P5301 P351 MATRIX GREEN AMP MIX/ Q353 BLANKING P5301...
Page 143: Location Of Controls
Location of Controls Remote Control Buttons Front View of the unit and Indicators on the Front Panel Light Tower Illuminated Remote Control LIGHT button: REWIND/SEARCH Cassette Compartment When the LIGHT button is pressed, the buttons which can be activated in the selected mode will light and the selected mode ACTION button (COMBO or DSS CABLE) will flash for 5 seconds.
Page 144 One Time Setup (continued) TV Operation (Picture in Picture, Two Tuners) Case 1 Set TIME ZONE ADJUST. Basic TV Operation Check list before you begin. Display MAIN MENU. All connections are made. Press POWER* on Your unit is plugged in. Press ACTION.
Page 145: Tv Timer Features
® Timer Programming using VCR Plus+ System (continued) VCR Plus+ Channel Setup is... Process of Recording Process of Recording Cable Box Setup necessary to program the unit with local Connection Setup Programming Connection Setup Programming channel information for proper VCR Plus+ operation.
Page 146: Special Vcr Features
TV Timer Features (continued) Special VCR Features Channel Caption is ... SLEEP TIMER Preset Caption Station names, e.g. ABC, TNN, etc. so that they will appear when a This unit can be set for auto power off. channel is selected. Choose 24 Display MAIN MENU.
Page 147 Special VCR Features (continued) Changing Time Stamp Data Weak Signal Display ON/OFF When “ON” is selected, the picture is displayed even when a You may change the time stamp data (Date, Time, Channel, Category, broadcast signal is weak or non-existent. and Notes) as desired.
Page 148: V-Chip Control Feature
FM Transmitter V-Chip Control Feature FM Transmitter is ... V-Chip Control Feature is... Send Wireless Process of V-Chip Control Feature This unit has a built-in V-Chip Control which allows you to a feature whereby this unit’s sound signal can be heard on your FM Radio.
Page 149: Audio Features
V-Chip Control Feature (continued) Audio Features Process of V-Chip Control Feature With the proper audio mode setting, US TV PROGRAMS RATINGS: your unit can: Select Audio Mode for Playback Chart 1 Enter Code Setup Blocking • record and playback MTS stereo broadcast (main language) in stereo Hi-Fi.
Page 150 TV/VCR MAIN C.B.A. VEPS3083D JK4701 INFRARED ON TIMER PROG TIMER JK4591 SW6001 RECEIVER VIDEO IN (L) AUDIO IN (R) Q6301 D6303 Q6303 D6302 Q6302 D6301 TP4001 UNIT SAFETY D4524 OPERATION CIRCUIT TAB SW D4523 R6302 R6304 TP3009 R6301 R6307 R6303 R6308 R6305 SW6303...
Page 151 AUDIO C.B.A. VEPS4034B NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. REFER TO BEGINNING OF SCHEMATIC SECTION. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT. TP4207 TP4208 TP4202...
Page 152 TV PROCESS C.B.A. VEPS3084C NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. REFER TO BEGINNING OF SCHEMATIC SECTION. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT. IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED BY THE SIGN HAVE...
Page 153 VERTICAL C.B.A. LRP63019B TV POWER C.B.A. LRP63017B IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED BY THE SIGN HAVE NOTE: SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. NOTE: WHEN REPLACING ANY OF THESE COMPONENTS, PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT. CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED.
Page 154 Hi-Fi AUDIO/VIDEO HEAD AMP C.B.A. VEPS5035Z AUDIO CONTROL HEAD P.C.B. NOTE: CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED. PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST FOR PROPER PARTS CONTENT. A.E. P4092 HEAD C3504 C3541 P4091 R3502 AUDIO L3501 HEAD...
Page 155 1. Important safety notice 3. Parts enclosed in dashed lines marked "Z" are not used in any models included in this service manual. Components identified by the sign have special Example: characteristics important for safety. When replacing any C3010 of these components. Use only the specified parts. 0.01 R3002 2.
Page 156 NOTE: NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. CAPSTAN SERVO CYLINDER SERVO IC2601 AN3808K (CYLINDER MOTOR DRIVE) CYLINDER MOTOR MAIN COIL DRIVE BACK ELECTROMOTIVE FORCE DETECT CHARGE/DISCHARGE CTL SW6310...
Page 157 NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. REFER TO BEGINNING OF SCHEMATIC SECTION. REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL CYLINDER SERVO JK4701 VIDEO AUDIO(L) AUDIO(R)
Page 158 IC3301 8BIT MICROCONTROLLER IC-DETAIL BLOCK DIAGRAM, IC3001 VIDEO/AUDIO PROCESS IC-DETAIL BLOCK DIAGRAM, AN3479FBP-A REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL LC8632165N41 VREG TV VOLUME LED DRIVER CONTROL TUNER I C BUS COMPOSITE LINE2 LINE1 OUTPUT BURST 3.58MHz CHROMA...
Page 159 NOTE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. REFER TO BEGINNING OF SCHEMATIC SECTION. REC VIDEO SIGNAL PB VIDEO SIGNAL H-PULSE TO MAIN VI V-PULSE I2C SERVICE(L) TO MAIN I SW +5V TO MAIN V PB VIDEO(H)/LINE VIDEO(L)
Page 160 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. IMPORTANT SAFETY NOTICE: REC AUDIO SIGNAL PB AUDIO SIGNAL COMPONENTS IDENTIFIED BY THE SIGN HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SPECIFIED PARTS.
Page 161 NOTE: CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, IMPORTANT SAFETY NOTICE: REPLACE ONLY WITH THE SAME TYPE 1.6A 125V FUSE. COMPONENTS IDENTIFIED BY THE SIGN HAVE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
Page 162 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. TO VERTICAL C.B.A. P451/P452 DISCHARGE TV POWER ON(H) NOTE: BLANKING PULSE PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. H-PULSE HIGH VOLTAGE PROTECTR V-PULSE V HEIGHT CONROL V POSITION...
Page 163 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. U7001 ENG36703G UHF/VHF TUNER/TV DEMODULATOR UNIT 1 REC VIDEO SIGNAL REC AUDIO SIGNAL C7003 FOIL PATTERN FOR ANTENNA R7007...
Page 164 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. IC6501 SUB SYSTEM CONTROL D750066-330 MICROCONTROLLER R6541 R6502 AUDIO 1 DEFEAT(H) AUDIO 1 DEFEAT(H) R6503 R6540 TO MAIN V...
Page 165 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. IC9001 CXA2064M MTS/SAP AUDIO PROCESS NOTE: R9008 C9001 C9018 R9009 R9001 PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. 4.7/25V 2700P 3300 SEPARATION(H) C9017 0.047 SEPARATION(L)
Page 166 IC9001 MTS/SAP AUDIO PROCESS IC-DETAIL BLOCK DIAGRAM, CXA2064M IC4201 Hi-Fi AUDIO PROCESS IC-BLOCK DIAGRAM, AN3962FB-V REC AUDIO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL LINE VARIABLE MATRIX MODE DISPLAY TUNER DE-EMPH. (R-CH) NOISE REDUCTION REC LPF DET. /COMPRESSOR /EXPANDER SWITCHING NOISE PB LPF AUDIO DE-EMPH.
Page 167 NOTE: IMPORTANT SAFETY NOTICE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, COMPONENTS IDENTIFIED BY THE SIGN HAVE REFER TO BEGINNING OF SCHEMATIC SECTION. SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SPECIFIED PARTS. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z"...
Page 168 IC5301 LUMINANCE/CHROMINANCE PROCESS IC-DETAIL BLOCK DIAGRAM, AN5367FB REC VIDEO SIGNAL PB VIDEO SIGNAL S P O T K I L L E R B L A C K L E V E L D E T E C T O R D E T E C T O R A C C A C C...
Page 169 NOTE: IMPORTANT SAFETY NOTICE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, COMPONENTS IDENTIFIED BY THE SIGN HAVE REFER TO BEGINNING OF SCHEMATIC SECTION. SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SPECIFIED PARTS. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z"...
Page 170 NOTE: IMPORTANT SAFETY NOTICE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, COMPONENTS IDENTIFIED BY THE SIGN HAVE REFER TO BEGINNING OF SCHEMATIC SECTION. SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SPECIFIED PARTS. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z"...
Page 171 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. AUDIO CONTROL HEAD P.C.B. PB AUDIO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL REC VIDEO SIGNAL AUDIO HEAD P4092 P4091...
Page 172 IMPORTANT SAFETY NOTICE: NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, COMPONENTS IDENTIFIED BY THE SIGN HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. REFER TO BEGINNING OF SCHEMATIC SECTION. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SPECIFIED PARTS. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z"...
Page 173 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED. NOTE: WHEN INSTALLING THE IC2501(AN3845SC) OR CAPSTAN STATOR C.B.A., BE SURE TO APPLY SILICON GREASE(VFK1301). REFER TO "CAPSTAN STATOR C.B.A." CAPSTAN SERVO OF MACHANISM SECTION IN DISASSEMBLY/ASSEMBLY PROCEDURES.
Page 174 IMPORTANT SAFETY NOTICE: NOTE: COMPONENTS IDENTIFIED BY THE SIGN HAVE FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. REFER TO BEGINNING OF SCHEMATIC SECTION. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SPECIFIED PARTS. NOTE: PARTS ENCLOSED IN DASHED LINES MARKED "Z"...
Page 175 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. MAIN C.B.A. (POWER SUPPLY/VIDEO/AUDIO SECTION) MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY PIN NO. PIN NO.
Page 176 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. MAIN C.B.A. (SYSTEM CONTROL/SERVO SECTION) CAPSTAN STATOR C.B.A. MODE PLAY STOP MODE PLAY STOP MODE PLAY STOP MODE PLAY STOP MODE PLAY STOP MODE PLAY STOP MODE PLAY STOP PIN NO.
Page 177 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. Hi-Fi AUDIO/VIDEO HEAD AMP C.B.A. AUDIO C.B.A. MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY PIN NO.
Page 178 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. TV PROCESS C.B.A. VERTICAL C.B.A. TV POWER C.B.A. CRT C.B.A. MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY MODE PLAY...
Page 179 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. TV/VCR MAIN C.B.A. / TV PROCESS C.B.A. / VERTICAL C.B.A. +240mVp-p +100.0mVp-p +1.20Vp-p +4.20Vp-p +1.000Vp-p +1.000Vp-p +5.00Vp-p PIN 71 OF IC3001 TP4002 REC/PB PIN 21 OF IC5301 POWER ON PIN 20 OF IC3001 PIN 12 OF IC3001...
Page 180 NOTE: FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION. CRT C.B.A. AUDIO C.B.A. Hi-Fi AUDIO/VIDEO HEAD AMP C.B.A. +3.10Vp-p +0.700Vp-p +2.60Vp-p +100.50Vp-p +50.0Vp-p +115.0Vp-p +290mVp-p +0.400Vp-p TP6203 REC/PB SP TP6207 PB SP POWER ON PIN 12 OF IC451 POWER ON Q351 COLLECTOR...
Page 181 TV/VCR MAIN C.B.A. T1001 F1001 L803 L1001 D1001 1.6A/125V F801 4A/125V TP1002 P803 P1001 D1005 C1011 LINE LINE FULL-WAVE AC CORD UNSW +33V RECTIFIER SMOOTHING FILTER P803 P1001 FILTER RECRIFIER D1056 UNSW +14V(CAP) TP1003 D1006 C1012, C1013 PR1003 RECTIFIER SMOOTHING UNSW +14V(LED) PR1004 D1015...
Page 182 REC VIDEO SIGNAL PB VIDEO SIGNAL HEAD AMP C.B.A. (FOR 4HEAD MODEL) TV/VCR MAIN C.B.A. IC3501 (HEAD AMP) (WITH 2 HEAD) NOT USED UHF/VHF TUNER/TV DEMODULATOR UNIT 1 TP3501 J6003 (FROM IC6001(24)) VIDEO HEAD SW PULSE BUFFER Q7001 RF OUT IC3201 (FROM IC6001(29)) LP/SLP...
Page 183 TV/VCR MAIN C.B.A. REC AUDIO SIGNAL PB AUDIO SIGNAL (WITH PICTURE IN PICTURE) UHF/VHF TUNER/TV DEMODULATOR UNIT 2 P4205 AUDIO TUNER 2 AUDIO TO TV STEREO SIGNAL RF IN P4204 PATH BLOCK DIAGRAM TUNER 1 AUDIO (WITH TV STEREO) UHF/VHF TUNER/TV DEMODULATOR UNIT 1 RF OUT AUDIO NOT USED...
Page 184 REC AUDIO SIGNAL TV/VCR MAIN C.B.A. AUDIO C.B.A. (WITHOUT PICTURE IN PICTURE) NOT USED IC4301 IC4302 (OP AMP) (INPUT SELECT) (WITH PICTURE IN PICTURE) IC9001 (MTS/SAP SIGNAL PROCESS) TP9002 TP9001 R9003 TP9003 J9001 L-CH TUNER1 SEPARATION FROM AUDIO P4203 SIGNAL PATH TUNER 1 AUDIO TUNER2 MTS/SAP SIGNAL PROCESS...
Page 185 REC AUDIO SIGNAL PB AUDIO SIGNAL AUDIO C.B.A. TV/VCR MAIN C.B.A. Hi-Fi AUDIO/VIDEO HEAD AMP C.B.A. IC4401 (Hi-Fi AUDIO HEAD AMP) IC4201 (Hi-Fi AUDIO PROCESS) AGC DET TP4205 (FROM IC9001 (22)) TUNER (R-CH) TUNER AUDIO R-CH LINE1 P4201 P3001 P3501 R-CH Hi-Fi (FROM IC9001 (23)) AUDIO...

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