Symphonic FUNAI SYLVANIA Emerson SC309C Service Manual

Symphonic FUNAI SYLVANIA Emerson SC309C Service Manual

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SERVICE MANUAL
Sec. 1: Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA's
9" COLOR TV/VCR COMBINATION
SC309C/
F3809U (F3809C)/
6309CC
The data for F3809U in this manual is for both F3809U and F3809C.
The parts list shown for F3809U in this manual are the same as F3809C.
The parts that are different between F3809U and F3809C are shown below
Ref. No.
S1
CARTON
S4
SERIAL NO. LABEL
X2 #
OWNER'S MANUAL
Sec. 2: Deck Mechanism Section
I Standard Maintenance
I Alignment for Mechanism
I Disassembly/Assembly of Mechanism
EWC0902
Description
Part No.
F3809C
F3809U
0EM407116
0EM407462
0EM407064
0EM407463
0EMN01910
0EMN01999
Sec. 3: Exploded views
and Parts List Section
I Exploded views
I Parts List
SSC092
.

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Summary of Contents for Symphonic FUNAI SYLVANIA Emerson SC309C

  • Page 1 SERVICE MANUAL Sec. 2: Deck Mechanism Section Sec. 3: Exploded views Sec. 1: Main Section I Standard Maintenance and Parts List Section I Specifications I Preparation for Servicing I Alignment for Mechanism I Exploded views I Disassembly/Assembly of Mechanism I Parts List I Adjustment Procedures I Schematic Diagrams I CBA’s...
  • Page 2 IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.
  • Page 3: Table Of Contents

    MAIN SECTION 9" COLOR TV/VCR COMBINATION SC309C/F3809U/6309CC /EWC0902/SSC092 Sec. 1: Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s TABLE OF CONTENTS Specifications................1-1-1 Important Safety Precautions.
  • Page 4: Specifications

    SPECIFICATIONS *ˆ M ode---------SP mode unless otherwise specified *Test input terminal <Except Tuner>-------------Video input (1Vp-p) Audio input (-10dB) <Tuner>-----------------------Ant. input (80dBµV) Video: 87.5% Audio: 25kHz dev (1kHz Sin) <DEFLECTION> Description Condition Unit Nominal Limit 1. Over Scan — ±5 2. Linearity Horizontal —...
  • Page 5 <AUDIO> All items are measured across 8Ω resistor at speaker output terminal. Description Condition Unit Nominal Limit 1. Audio Output Power (Max.) (R/P) 2. Audio S/N (W/LPF) (R/P) 3. Audio Distortion (W/LPF) (R/P) 4. Audio Freq. Response 200Hz (R/P) -2.0 -2.0±5.0 (-10dB Ref.
  • Page 6: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 7 ing is performed that involves B+, horizontal de- earth ground. If a voltage reading in excess of 1.0V flection or high voltage. Correct operation of the is obtained, remove and reinsert the AC power X-radiation protection circuits also must be recon- plug in the opposite polarity and again measure firmed each time they are serviced.
  • Page 8 Precautions during Servicing H. When a power cord has been replaced, check that 5~6 kg of force in any direction will not loosen it. A. Parts identified by the ( # ) symbol are critical for I. Also check areas surrounding repaired locations. safety.
  • Page 9 Safety Check after Servicing Examine the area surrounding the repaired location Chassis or Secondary Conductor for damage or deterioration. Observe that screws, parts and wires have been returned to original posi- tions. Afterwards, perform the following tests and con- Primary Circuit Terminals firm the specified values in order to verify compliance with safety standards.
  • Page 10: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack IC 1. The output pin of the 3 pin Regulator ICs is indi- Caution: cated as shown: 3. Do not apply the hot air to the chip parts around the Flat Pack-IC for over 6 seconds as damage may occur to the chip parts.
  • Page 11 2. Installation a. Using desoldering braid, remove the solder from the foil of each pin of the Flat Pack - IC on the CBA, so you can install a replacement Flat Pack - IC more easily. b. The "I" mark on the Flat Pack - IC indicates pin 1 (See Fig.
  • Page 12 Instructions for Handling Semiconductors Electrostatic breakdown of the semiconductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.
  • Page 13: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode Adjustment Mode No need to use. Caution: 1 Purity check mode: Shows Red, 1. Optical sensors system are used for Tape Start Green, Blue or White cyclically on the and End Sensor on this equipment. Read this page screen each time the “7”...
  • Page 14: Operating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS [ SC309C/F3809U/6309CC/EWC0902 ] The illustrations shown in this page are of SC309C/F3809U/6309CC. The operation is exactly the same. - TV/VCR FRONT PANEL - POWER STOP/EJECT PLAY F.FWD REC/OTR VOLUME CHANNEL AUDIO VIDEO EARPHONE 6 7 8 12 13 Press to turn TV/VCR on and off.
  • Page 15 - REAR VIEW - DC 13.2V AC 120V Press for manual recording. REC button– Press to choose the desired SPEED button– Activates One Touch Recording. OTR button– recording speed:SP/SLP. (only on the TV/VCR) Press to cancel a set- T-PROG. CLEAR button– Adjust the volume VOLUME buttons–...
  • Page 16 [ SSC092 ] - TV/VCR FRONT PANEL - STOP PLAY F.FWD POWER VOLUME CHANNEL EJECT AUDIO VIDEO EARPHONE 3 4 5 6 7 8 10 11 12 13 Press to turn TV/VCR on and off. POWER button– - REMOTE CONTROL - Press to activate timer recording.
  • Page 17 - REAR VIEW - DC 13.2V AC 120V Press for manual recording. Press to choose the desired REC button– SPEED button– recording speed:SP/SLP. Activates One Touch Recording. OTR button– (only on the TV/VCR) Press to cancel a set- T-PROG. CLEAR button– ting of timer program.
  • Page 18: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart (1): Order of steps in Procedure. When reassembling, follow the steps in reverse order.These numbers are also used as the identification (location) No. of This flowchart indicates the disassembly steps for the parts in Figures. cabinet parts, and the CBA in order to gain access to item(s) to be serviced.
  • Page 19 DC 13.2V AC 120V Fig. 1 [1] REAR CABINET Fig. 2 1-6-2 T4300DC...
  • Page 20 [5] HV/DC POWER CBA [6] DECK UNIT [3] HV/DC POWER UNIT [4] TRAY CHASSIS UNIT [7] MAIN [2] VCR CHASSIS UNIT Fig. 3 1-6-3 T4300DC...
  • Page 21 ANODE CAP. CRT CBA [8] CRT Fig. 4 1-6-4 T4300DC...
  • Page 22 CRT CBA SCREEN ANODE CL501B FOCUS CN501 TO SPEAKER MAIN CBA CN601 CL403 CN801 TO DEGAUSS CL502A COIL CL501A CL401 CN571 CL402 CL1951A CN602 HV/DC POWER SUPPLY CBA CL201 CN301 CYLINDER CAPSTAN ASSEMBLY MOTOR AC HEAD FE HEAD DECK UNIT ASSEMBLY Fig.
  • Page 23: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: How to Set up the Service mode: "CBA" is abbreviation for "Circuit Board Service Mode: Assembly." 1. Use the service remote control unit. 2. Turn the power on. NOTE: 3. Press " WAKE-UP/SLEEP " button on the service Electrical adjustments are required after replacing remote control unit.
  • Page 24 1b. DC 117V (+B) Adjustment 3-1. TV AGC Adjustment (DC Power) Purpose: Set AGC (Auto Gain Control) Level. Symptom of Misadjustment: AGC does not synchro- Purpose: To obtain correct operation. nize correctly when RF input level is too weak and pic- Symptom of Misadjustment: The picture is dark and ture distortion may occur if it is too strong.
  • Page 25 4-3. Y DL Time Adjustment 4. Press "2" button on the remote control unit and select H-Adj Mode. (Press "2" button, then display Purpose: To get minimum leakage of the color signal will change H-Adj and AGC.) carrier. 5. Press CH o / p buttons on the remote control unit Symptom of Misadjustment: If Y DL Time Adjust- so that the display will change "0"...
  • Page 26 5. V. Size Adjustment 7. H. Shift Adjustment Purpose: To obtain correct vertical height of screen Purpose: To obtain correct horizontal position and image. size of screen image. Symptom of Misadjustment: If V. Size is incorrect, Symptom of Misadjustment: Horizontal position and vertical height of image on the screen may not be size of screen image may not be properly displayed.
  • Page 27 9. Sub-Brightness Adjustment Notes: Screen Control FBT --- HV/DC Power Supply Purpose: To get proper brightness. F.B.T= Fly Back Transformer Use the Remote Control Unit Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by 1. Degauss the CRT and allow CRT to operate for 20 adjusting the Brightness Control.
  • Page 28 10. Focus Adjustment The following 2 adjustments normally are not attempted in the field. They should be done Purpose: Set the optimum Focus. only when replacing the CRT then adjust as a Symptom of Misadjustment: If Focus Adjustment is preparation. incorrect, blurred images are shown on the display.
  • Page 29 14. Convergence Adjustment 1. Set the unit to the AUX Mode which is located before CH2 then input a Dot or crosshatch pattern. Purpose: To obtain proper convergence of red, green 2. Loosen the Ring Lock and align red with blue dots and blue beams.
  • Page 30: Block Diagrams

    BLOCK DIAGRAMS Servo/System Control Block Diagram IC201 (SERVO/SYSTEM CONTROL) SW201 SW205 (DECK ASSEMBLY KEY 0 SWITCH MAIN CBA SW206 SW210 AL+5V KEY 1 SWITCH D203 RS201 S-LED REMOTE P-ON-H REMOTE P-ON-H TO POWER SENSOR P-DOWN SUPPLY BLOCK P-DOWN AC HEAD ASSEMBLY TP201 CL402 CTL AMP-OUT...
  • Page 31 Video Block Diagram REC VIDEO SIGNAL PB VIDEO SIGNAL MODE: SP/REC MAIN CBA TP301 Q401 V-OUT BUFFER IC401 VIDEO/AUDIO SIGNAL PROCESS Q402 CCD 1H TO CHROMA/ VIDEO BUFFER DELAY TUNER BLOCK CHARA LUMINANCE DOC YNR Y/C COMB SIGNAL PROCESS V-AGC TU-VIDEO TUNER TO CHROMA/...
  • Page 32 Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA IC301 (VIDEO/AUDIO/CHROMA/DEFLECTION/IF) JK802 EARPHONE JACK IC801 (AMP) SSC092 OUTPUT FROM TU-AUDIO CHROMA/TUNER JK801 LIMITER FM DET BLOCK EARPHONE JACK MUTE FROM/TO TUNER SERIAL SC309C, F3809U,6309CC, EWC0902 SERVO/SYSTEM CONTROL BLOCK LINE/PB CN801 SP801...
  • Page 33 Chroma/Tuner Block Diagram REC-AUDIO SIGNAL REC VIDEO SIGNAL PB VIDEO SIGNAL Mode : SP/REC FM-ANT SSC092 MAIN CBA TP001 (PATTERN) TU001 IC301 (VIDEO/AUDIO/CHROMA/DEFLECTION/IF) FM-ANT CF301 Q301 4.5MHz BUFFER TU VIDEO TO VIDEO BLOCK TRAP SF001 CF302 IF SIGNAL 4.5MHz CONTROL TU AUDIO TO AUDIO BLOCK FILTER CIRCUIT...
  • Page 34 CRT/H.V. Block Diagram Mode : SP/REC REC VIDEO SIGNAL PB VIDEO SIGNAL IC551 (V-DEFLECTION CONTROL) L551 WF13 DEFLECTION-YOKE THERMAL PROTECTION DRIVE Q572 H.DRIVE PUMP DRIVE WF12 Q571 T572 CN571 H.OUTPUT CL573 CL1951B CL1951A 13 +B FROM POWER 14 +B SUPPLY BLOCK FOCUS VR CN602 10 DEF+B...
  • Page 35 Power Supply Block Diagram CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! REPLACE ONLY WITH THE SAME TYPE FUSE. NOTE : Fixed voltage power supply circuit is used in this unit. ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES The voltage for parts in hot circuit is measured using If Main Fuse (F601) is blown, check to see that all components in the power supply 4A/125V...
  • Page 36 DC Power Supply Block Diagram CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage power supply circuit is used in this unit. NOTE : REPLACE ONLY WITH THE SAME TYPE FUSE. If Main Fuse (F1601, F1951) is blown, check to see that all components in the power supply The voltage for parts in hot circuit is measured using ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES circuit are not defective before you connect the AC(DC) plug to the AC(DC) power supply.
  • Page 37: Mechanical Trouble Indicator

    MECHANICAL TROUBLE INDICATOR 1, Each Malfunction Indication POWER SAFETY 1) POWER SAFETY 1 If the MONITOR is turned ON right after the Mechani- If P-SAFETY 1 port becomes continuously 2.5V or cal Malfunction occurs or POWER SAFETY/X-RAY is less for 120 msec. (4 times 40 msec. interval) when turned ON, display the following character to show MONITOR is ON, the unit shall be assumed to be Malfunction after the EJECT display.
  • Page 38 Mechanical Malfunction determination 4) Countermeasure for CASSETTE LOADING Mal- function 1) REEL Malfunction detection a) CASSETTE IN operating Malfunction Countermeasure for REEL and CAPSTAN motor If LD-SW does not go to SB position after a lapse rotation malfunction (Except CASSETTE LOAD- of 5 sec.
  • Page 39: Power Supply Trouble Shooting Guide

    Power Supply Trouble Shooting Guide It is highly recommended that a variable isolation Voltage approx. 5Vp-p transformer which can monitor current be used. (Alternatively a variable AC source which moni- tors current will do). Read directions below before power is added! T=Approx.
  • Page 40 Repair method #2 Check the primary rectifying diodes (D603-D606) as possible problems. Remove the above mentioned parts and check them. Perform check according to the step 1 and 2 of repair method #1 and check for defects following parts, then if necessary replace with factory originals.
  • Page 41: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Note: 1. Do not use the part number shown on these draw- Warning ings for ordering. The correct part number is shown in the parts list, and may be slightly different or Many electrical and mechanical parts in this chassis amended since these drawings were prepared.
  • Page 42 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F601) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 43 Main 1/4 Schematic Diagram MAIN 1/4 Ref No. Position IC201 IC202 TRANSISTORS Q205 Q206 TEST POINTS TP201 CONNECTORS CL201 1-9-3 1-9-4 1-9-5 T4300SCM1...
  • Page 44 Main 2/4 Schematic Diagram REC Video Signal PB Video Signal REC Audio Signal PB Audio Signal MAIN 2/4 Ref No. Position IC401 IC801 TRANSISTORS Q401 Q402 Q491 Q871 Q872 Q873 Q874 Q875 TEST POINTS TP301 TP401 TP402 TP403 CONNECTORS CL401 CL402 CL403 CN801...
  • Page 45 Main 3/4 Schematic Diagram REC Video Signal PB Video Signal REC Audio Signal PB Audio Signal MAIN 3/4 Ref No. Position IC301 TRANSISTORS Q301 Q302 TEST POINTS TP001 TP302 CONNECTORS CN301 CN302 1-9-9 1-9-10 1-9-11 T4300SCM3...
  • Page 46 Main 4/4 Schematic Diagram VOLTAGE CHART (Power off mode) Ref. No. Q601 137.0 CAUTION CAUTION ! Ref. No. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, NOTE : Fixed voltage power supply circuit is used in this unit. REPLACE ONLY WITH THE SAME TYPE FUSE. Q602 THE VOLTAGE FOR PARTS IN HOT CIRCUIT IS MEASURED USING If Main Fuse (F601) is blown, check to see that all components in the power supply...
  • Page 47 H.V./DC Power Supply Schematic Diagram H.V./DC POWER SUPPLY Ref No. Position Ref No. Position TRANSISTORS IC551 Q1955 IC1951 Q1956 TRANSISTORS TEST POINTS CAUTION Q571 J551 FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! Q572 J552 REPLACE ONLY WITH THE SAME TYPE FUSE. Switching power supply circuit is used in this unit.
  • Page 48 CRT Schematic Diagram PB Video Signal REC Video Signal Ref No. Position TRANSISTORS Q501 Q502 Q503 CONNECTORS CL501B CN501 1-9-17 T4300SCCRT 1-9-18...
  • Page 49 Main CBA Top View ( SC309C, F3809U, 6309CC, EWC0902 ) Sensor CBA Top View (END-SENSOR) CAUTION ! Fixed voltage power supply circuit is used in this unit. If Main Fuse (F601) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 50 Main CBA Bottom View ( SC309C, F3809U, 6309CC, EWC0902 ) CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, CAUTION ! SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED. REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage power supply circuit is used in this unit.
  • Page 51 Main CBA Top View ( SSC092 ) Sensor CBA Top View (END-SENSOR) CAUTION ! Fixed voltage power supply circuit is used in this unit. If Main Fuse (F601) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 52 Main CBA Bottom View ( SSC092 ) CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage power supply circuit is used in this unit. REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 53 H.V. / DC Power Supply CBA Top View CAUTION CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. Fixed voltage power supply circuit is used in this unit. ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES If Main Fuse (F1951) is blown, check to see that all components in the power supply D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
  • Page 54 H.V. / DC Power Supply CBA Bottom View CAUTION CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage power supply circuit is used in this unit. REPLACE ONLY WITH THE SAME TYPE FUSE. If Main Fuse (F1951) is blown, check to see that all components in the power supply ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES circuit are not defective before you connect the DC plug to the DC power supply.
  • Page 55 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No. Position TRANSISTORS Q501 Q502 Q503 CONNECTORS WF16 WF14 WF15 CL501B Q503 Q501 Q502 CN501 Collector Collector Collector 1-9-35 1-9-36 BT4300F01021-B...
  • Page 56 Junction-A CBA Junction-A CBA Top View Bottom View BT4300F01021-C Junction-B CBA Junction-B CBA Top View Bottom View BT4300F01021-D 1-9-37 1-9-38...
  • Page 57: Waveforms

    WAVEFORMS WAVEFORM NOTES INPUT: NTSC COLOR BAR SIGNAL OTHER CONTROLS: CENTER POSITION VOLTAGES SHOWN ARE RANGE OF OSCILLOSCOPE SETTING 5 ms 0.5 V 20 µs 10 V 5 ms 20 µs 0.5 V 0.5 ms WF13 H.V./DC POWER SUPPLY WF17 MAIN 1/4 SCHEMATIC DIAGRAM WF9 MAIN 2/4 SCHEMATIC DIAGRAM WF1 MAIN 2/4 SCHEMATIC DIAGRAM WF5 MAIN 2/4 SCHEMATIC DIAGRAM...
  • Page 58: Wiring Diagrams

    WIRING DIAGRAM WIRING DIAGRAM FOR SECTION 2 ANODE CN801 (DECK MECHANISM) CL801 CRT CBA SP801 BT4300F01021-B SPEAKER SP-GND LOADING CAPSTAN MOTOR MOTOR FOCUS CL201 SCREEN CL501B CL501A C-F/R P-ON+140V CN501 P-ON+140V SENSOR CBA AL+12V (END-SENSOR) D/L+12V HEATER HEATER BHB300F01011-A,B AL+5V CYLINDER ASSEMBLY BLUE BLUE...
  • Page 59: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Chart 1 EJECT ST-S,/ END-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV STOP (B) LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD LD-REV 0.2S LD-FWD PLAY PLAY PAUSE STILL PAUSE ON NOISE CANCEL PAUSE STILL PAUSE ON NOISE...
  • Page 60 Chart 2 STOP(A) STOP LD-REV 0.2S LD-FWD STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-REV 0.2S LD-FWD STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-FWD PAUSE LD-FWD 2.5S Short REV LD-REV 0.2S LD-FWD REC PAUSE REC or PAUSE STOP /EJECT LD-FWD...
  • Page 61: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS IC 201 (TV/VCR Micro Computer) Signal Function Name “H” ≥ 4.5V, “L” ≤ 1.0V External Input or Playback EXT-H/ Signal 29 OUT SIgnal Output/Input Function INSEL Name Selector Control Signal LD-SW Loading Switch Input Rental Position Control RENTAL Signal Power Supply Failure...
  • Page 62 Signal Signal Function Function Name Name 62 OUT OSD-B Blue Output AMP VREF Standard Voltage Input 63 OUT OSD-G Green Output 64 OUT OSD-R Red Output CTL (-) CTL (-) 65 OUT A-MUTE Audio Mute Output CTL (+) CTL (+) Capstan Motor FWD/REV 66 OUT C-F/R Control Signal...
  • Page 63: Lead Identifications

    LEAD IDENTIFICATIONS PT204-6B-12 FS30KMJ-06 2SA1931 2SD2627LS-FEC-YB11 2SK2662 MID-32A22 2SK2232 2SA1469(R) S: Souce E: Emitter D: Drain C: Collector G: Gate B: Base B C E G D S B C E S D G LA78040A AN5522 2SC1627Y-TPE2 BN1F4M-T KRA103M 2SA950(Y,O) KTC3199(GR) 2SC1815-GR(TPE2) KTA1271(Y)
  • Page 64 DECK MECHANISM SECTION 9" COLOR TV/VCR COMBINATION SC309C/F3809U/6309CC /EWC0902/SSC092 Sec. 2: Deck Mechanism Section I Standard Maintenance I Alignment for Mechanism I Disassembly/Assembly of Mechanism I Alignment Procedures of Mechanism TABLE OF CONTENTS Standard Maintenance..............2-1-1 Service Fixtures and Tools .
  • Page 65 STANDARD MAINTENANCE Service Schedule of Components H: Hours : Check I: Change Deck Periodic Service Schedule Ref.No. Part Name 1,000 H 2,000 H 3,000 H 4,000 H Cylinder Assembly Loading Motor Assembly Pulley Assembly Tension Lever Sub Assembly AC Head Assembly B573,B574 Reel S, Reel T Capstan Motor...
  • Page 66 Cleaning Cleaning of Audio Control Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the audio control head.
  • Page 67 SERVICE FIXTURE AND TOOLS J-1-1, J-1-2 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL8A Head Adjustment of Audio Control Head J-1-2 Alignment Tape FL8N Azimuth and X Value Adjustment of Audio Control (2Head only) Head / Adjustment of Envelope Waveform FL8NW (4Head only) Guide Roller Adj.Screwdriver...
  • Page 68 MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.
  • Page 69 1.Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (FL8N) Guide Roller Adj.
  • Page 70 1-A. Preliminary/Final Checking and 3. Check to see that the tape runs without creasing at Alignment of Tape Path Take-up Guide Post [4] or without snaking between Guide Roller [3] and AC Head. (Fig. M3 and M5) Purpose: 4. If creasing or snaking is apparent, adjust the Tilt To make sure that the tape path is well stabilized.
  • Page 71 6. Press CH DOWN button on the unit until the CTL 1-D. Azimuth Alignment of Audio/Control/ waveform has shifted from its original position (not Erase Head the position achieved in step 5, but the position of Purpose: CTL waveform in step 4) by approximately -2msec. To correct the Azimuth alignment so that the Audio/ Make sure that the envelope is simply attenuated Control/Erase Head meets tape tracks properly.
  • Page 72 DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS on page 1-6-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 73 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [33] [2],[25] M Brake T Assembly DM1,DM16 *(P-6) [34] [2],[25] M Brake S Assembly DM1,DM16 *(P-7) Tension Lever Sub [35] [34] DM1,DM16 Assembly [36] [35] T Lever Holder DM1,DM16 *(L-6) [37] [33]...
  • Page 74 Top View [41] [42] [46] [43] [14] [13] [11] [15] [35] [36] [10] [12] [34] [33] [40] [29] [38] [37] [39] Fig. DM1 Bottom View [19] [32] [31] [24] [26] [27] [25] [23] [28] [22] [20] [21] [30] Fig. DM2 2-4-3 Z11DA...
  • Page 75 (S-1) (S-1) (S-2) (P-1) (S-3) (S-4) Fig. DM5 Fig. DM3 [46] Pin D Pin C Pull up Slide (L-8) Pin A Pin B Slot A (S-5) Slots B Slot A First, while pushing the locking tab as shown in the right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A.
  • Page 76 (S-7) (S-8) [14] (S-9) [15] Desolder from bottom (S-6) Lead with White Stripe Belt View for A Fig. DM7 Fig. DM9 Adj. Screw [17] After removing the Screw (S-10), [11] while pressing the Locking Tab (L-1) (L-3) (L-2) (L-3), remove [16]. (P-3) [16] [13]...
  • Page 77 Cap Belt Portions A on [21] must be set in the slot on [20] as shown. (C-1) [19] [20] Portions A Portions A View for A [21] Fig. DM12 (S-11) Fig. DM11 2-4-6 Z11DA...
  • Page 78 [25] (C-2) (C-5) (C-3) [22] [23] (S-12) (P-4) [27] (L-4) (C-4) [26] [28] [24] (P-4) [28] When installing [23], install the spring (P-4) to [28] as Position of Mode Lever when installed shown in the left figure, and then install [23] while Pin on Pin of [34] Pin of [30]...
  • Page 79 Refer to the Alignment Section, Page 2-4-9. [42] [41] [43] (P-5) [30] (L-7) [32] [29] [31] (L-5) Fig. DM17 Fig. DM15 [35] (C-7) [38] (C-6) (P-7) [40] [37] turn (L-6) (P-8) [39] [44] [45] Slide (P-6) [34] turn [33] [36] Fig.
  • Page 80 ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape Loading Arm, S and T Assembly loading/unloading mechanism. Since information about the state of the mechanism is provided to the Install Loading Arm S and T Assembly so that their System Control Circuit only through the Mode Switch, triangle marks point to each other as shown in Fig.
  • Page 81 Alignment 3 Cam Gear (A), Rack Assembly Install the Rack Assembly so that the first tooth on the gear of the Rack Assembly meets the first groove on the Cam Gear (A) as shown in Fig. AL4. Top View Cam Gear (A) Alignment 3 First tooth First groove...
  • Page 82 EXPLODED VIEWS AND PARTS LIST SECTION 9" COLOR TV/VCR COMBINATION SC309C/F3809U/6309CC /EWC0902/SSC092 Sec. 3: Exploded views and Parts List Section I Exploded views I Parts List TABLE OF CONTENTS Cabinet Exploded Views ..............3-1-1 Packing Exploded Views .
  • Page 83 EXPLODED VIEWS Cabinet [ SC309C/F3809U/6309CC ] HV/DC POWER SUPPLY CBA CRT CBA TB16 DG1601 TB17 SENSOR CBA JUNCTION B CBA SP801 CLN801 TB10 TB21 JUNCTION A CBA V501 MAIN CBA SENSOR CBA TL14 TL14 A1-5 A1-3 A1-4 A1-1 See Electrical Parts List for parts with this mark.
  • Page 84 Cabinet [ EWC0902 ] HV/DC POWER SUPPLY CBA CRT CBA TB16 DG1601 TB17 SENSOR CBA JUNCTION B CBA SP801 TB11 TB10 CLN801 TB21 JUNCTION A CBA V501 A1-5 MAIN CBA SENSOR CBA TL14 TL14 A1-4 A1-3 See Electrical Parts List for parts with this mark.
  • Page 85 Cabinet [ SSC092 ] HV/DC POWER SUPPLY CBA CRT CBA DG1601 SENSOR CBA JUNCTION B CBA SP801 TB11 TB10 CLN801 TB21 V501 JUNCTION A CBA TB19 A1-5 MAIN CBA SENSOR CBA TL14 TL14 A1-3 A1-4 A1-1 See Electrical Parts List for parts with this mark.
  • Page 86 Packing TAPE PACKING TAPE 3-1-7 T4300PEX...
  • Page 87 DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Part No. (Blue grease) Floil G-374G 0VZZ00109 SLIDUS OIL #150 0VZZ00226 L1467 B494 B553 L1191 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) B501 B560 L1450 B426 L1466 B121 B126 L1468...
  • Page 88 Deck Mechanism View 2 Mark Description Part No. Floil G-374G (Blue grease) 0VZZ00109 B574 B508 B148 B573 B487 L1406 B522 B518 B520 B521 B414 B564 B499 B558 B585 B557 B416 B572 B565 B525 L1151 B417 B568 B569 B133 B551 B505 B488 B491 Bottom Side...
  • Page 89 Deck Mechanism View 3 Mark Description Part No. Floil G-374G (Blue grease) 0VZZ00109 L1321 B347 Note: There are two different, but interchangeable types of CLEANER LEVER(B359) in this model, and have different combination with B361. Please L1321 see Table 1 for details and combination. (Refer to DECK PARTS LIST section on page 3-4-1.) Table 1 (B359 and B361 Combination) B359 CLEANER LEVER...
  • Page 90 SCREW, B-TIGHT M3X8 BIND HEAD+ GBMB3080 A1-2 CONTROL PLATE T4003UD 0EM301286 V501# CRT A23KQU22X01 TCRT190SM012 A1-2 CONTROL PLATE T4304UE 0EM201587 PACKING A1-3 BRAND PLATE T4300UA:SYMPHONIC 0EM406938 CARTON T4300UA 0EM407063 A1-3 BRAND PLATE T4301UB:FUNAI 0EM407029 CARTON T4301UB 0EM407116 A1-3 BRAND PLATE T4302UC:SYLVANIA 0EM407030 CARTON T4302UC...
  • Page 91 Ref. No. Mark Description Part No. REMOCON UNIT 512/ERC001/N0162UD N0162UD REMOCON UNIT 512/ERC001/N0159UD N0159UD REMOCON UNIT 512/ERC001/NE108UD NE108UD DRY BATTERY R6P UM3 or XB0M451GH001 DRY BATTERY R6P(AR)2PX or XB0M451HU002 DRY BATTERY R6P(AR)2P X ICI or XB0M451HU003 DRY BATTERY(SUNRISE) R6SSE/2S or XB0M451MS002 DRY BATTERY R6P/2S XB0M451T0001...
  • Page 92 ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Mark Description Part No. # have special characteristics important to safety. C210 ELECTROLYTIC CAP. 1µF/50V M H7 CE1JMASSL1R0 Before replacing any of these components, read care- C211 CERAMIC CAP.(AX) B K 0.01µF/50V CA1J103TU011 fully the product safety notice in this service manual.
  • Page 93 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C314 ELECTROLYTIC CAP. 1µF/50V M or CE1JMASDL1R0 C430 CERAMIC CAP.(AX) B K 0.022µF/50V CA1J223TU011 ELECTROLYTIC CAP. 1µF/50V M or CE1JMASDL010 C431 ELECTROLYTIC CAP. 1µF/50V M H7 CE1JMASSL1R0 ELECTROLYTIC CAP. 1µF/50V M CE1JMASTL1R0 C434 ELECTROLYTIC CAP.
  • Page 94 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C623 FILM CAP.(P) 0.018µF/50V J or CMA1JJS00183 CN601 CONNECTOR BASE, 2P TV-50P-02-V3 or J3TVC02TG002 FILM CAP.(P) 0.018µF/50V J CA1J183MS029 CONNECTOR BASE, 2P RTB-1.5-2P J3RTC02JG001 C624 CERAMIC CAP.(AX) B K 0.01µF/50V CA1J103TU011 CN602 CONNECTOR BASE, 14P TUC-P14P-B1...
  • Page 95 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. D605 DIODE 1N5397-B or NDLZ001N5397 D637 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 RECTIFIER DIODE ERB12-06 QDQZ0ERB1206 SWITCHING DIODE 1N4148 NDTZ001N4148 D606 DIODE 1N5397-B or NDLZ001N5397 D638 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 RECTIFIER DIODE ERB12-06 QDQZ0ERB1206...
  • Page 96 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. INDUCTOR 1.0µH-K-26T LLAXKDTKA1R0 TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 L306 PCB JUMPER D0.6-P5.0 JW5.0T Q606 TRANSISTOR 2SA950(O) or Q2SA9500TPE2 L307 INDUCTOR 15µH-J-26T or LLAXJATTU150 TRANSISTOR 2SA950(Y) or Q2SA950YTPE2 INDUCTOR 15µH-K-26T LLAXKDTKA150 TRANSISTOR KTA1271(Y) NQSY0KTA1271 L402...
  • Page 97 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/4W J 22k Ω or CARBON RES. 1/4W J 820 Ω or R208 RCX4JATZ0223 R247 RCX4JATZ0821 CARBON RES. 1/6W J 22k Ω CARBON RES. 1/6W J 820 Ω RCX6JATZ0223 RCX6JATZ0821 CARBON RES.
  • Page 98 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/6W J 15k Ω RCX6JATZ0153 R333 PCB JUMPER D0.6-P5.0 JW5.0T CARBON RES. 1/4W J 10k Ω or R303 RCX4JATZ0103 R334 PCB JUMPER D0.6-P5.0 JW5.0T CARBON RES. 1/6W J 10k Ω CARBON RES.
  • Page 99 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/6W J 680k Ω CARBON RES. 1/4W J 470 Ω or RCX6JATZ0684 R632 RCX4JATZ0471 CARBON RES. 1/4W J 1.5k Ω or CARBON RES. 1/6W J 470 Ω R429 RCX4JATZ0152 RCX6JATZ0471...
  • Page 100 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/6W J 47 Ω METAL OXIDE FILM RES. 1W J 47 Ω or A,B,C RCX6JATZ0470 R976 RN01470ZU001 METAL OXIDE FILM RES. 1W J 47 Ω RN01470DP003 CARBON RES.
  • Page 101 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. 4.5M TRAP XT4.5MB2 FBE455PLN001 X'TAL 3.579545MHz(20PPM) or FXC355LDS001 CF302 CERAMIC FILTER SFSRA4M50CF00-B0 or FBB455PMR004 X'TAL 3.579545MHz FXC355LLN001 4.5M FILTER LTH4.5MCB FBB455PLN001 CL201 FMN CONNECTOR, TOP 12P 12FMN-BTRK JCFNG12JG002 SENSOR CBA F601# FUSE 4.00A/125V or...
  • Page 102 Ref.No. Description Part No. Ref.No. Description Part No. C584# ELECTROLYTIC CAP. 1µF/160V M or CE2CMASDL1R0 SWITCHING DIODE 1N4148 NDTZ001N4148 ELECTROLYTIC CAP. 1µF/160V M CE2CMASTL010 D598# DIODE FR104-B or NDLZ000FR104 C585 CERAMIC CAP. B K 100pF/1KV or CCD3AKD0B101 RECTIFIER DIODE 10ELS2 or QDQZ0010ELS2 CERAMIC CAP.
  • Page 103 Ref.No. Description Part No. Ref.No. Description Part No. CARBON RES. 1/6W J 220k Ω TRANSISTOR KTC3198(GR) or NQS40KTC3198 RCX6JATZ0224 CARBON RES. 1/4W J 150k Ω or TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 R588 RCX4JATZ0154 CARBON RES. 1/6W J 150k Ω Q1955 TRANSISTOR 2SC2785(F) or QQSF02SC2785 RCX6JATZ0154 CARBON RES.
  • Page 104 Ref.No. Description Part No. Ref.No. Description Part No. CARBON RES. 1/4W J 12k Ω or CARBON P.O.T. 20k Ω B or R1960 RCX4JATZ0123 VR1951 VRCB203KA011 CARBON RES. 1/6W J 12k Ω RCX6JATZ0123 CARBON P.O.T. 20k Ω B VRCB203HH014 CARBON RES. 1/4W J 1k Ω or R1961 RCX4JATZ0102 CARBON RES.
  • Page 105 Ref.No. Description Part No. CARBON RES. 1/6W J 680 Ω RCX6JATZ0681 MISCELLANEOUS JK501# CRT SOCKET ISMS02S JSCC220PK003 Junction A CBA Ref.No. Description Part No. Junction A CBA ---------- Consists of the following CN503 CONNECTOR, 11P TUC-P11X-B1 JCTUS11TG001 Junction B CBA Ref.No.
  • Page 106 DECK PARTS LIST Note: There are two different, but interchangeable Ref.No Description Part No. types of CLEANER LEVER(B359) in this model, and B499 T LEVER HOLDER MK10 0VM304419 have different combination with B361. Please see Table B501 WORM HOLDER MK11 0VM305067 1 for details and combination.
  • Page 107 Printed in Japan 2002-03-25 HO...

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