Main Section I Specifications mechanism, refer to MK14 Deck I Preparation for Servicing Mechanism Section. I Adjustment Procedures I Schematic Diagrams Deck Mechanism Part No.: I CBA’s I Exploded Views N2326FT or N2526FT I Parts List 14″ COLOR TV/VCR COMBINATION T6609BK...
MAIN SECTION 14″ COLOR TV/VCR COMBINATION T6609BK Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s I Exploded Views I Parts List TABLE OF CONTENTS Specifications ................1-1-1 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.
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may be called “horizontal disable” or “hold b. Some TV receiver chassis normally have 85V down.”) Read and apply the high voltage limits AC(RMS) between chassis and earth ground and, if the chassis is so equipped, the regardless of the AC plug polarity. This chassis X-radiation protection circuit specifications can be safety-serviced only with an isolation given on instrument labels and in the Product...
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C. Use specified internal wiring. Note especially: 1) Wires covered with PVC tubing 2) Double insulated wires 3) High voltage leads D. Use specified insulating materials for hazardous live parts. Note especially: 1) Insulation Tape 2) PVC tubing 3) Spacers 4) Insulators for transistors.
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Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards. 1.
STANDARD NOTES FOR SERVICING Circuit Board Indications How to Read the Values of the Rectangular Type Chip 1. The output pin of the 3 pin Regulator ICs is indicated as shown. Components Example: Top View Bottom View Input (a) Resistor 2.
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Replacement Procedures for 3. Installing the leadless component Leadless (Chip) Components a. Presolder the contact points of the circuit board. b. Press the part downward with tweezers and solder The Following Procedures are both electrodes as shown below. Recommended for the Replacement of the Note: Do not glue the replacement leadless Leadless Components Used in this Unit.
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How to Remove / Install Flat Pack-IC With Soldering Iron: 1. Using desoldering braid, remove the solder from 1. Removal all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, With Hot-Air Flat Pack-IC Desoldering Machine: you can remove it easily.
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2. Installation being held by glue. When the flat pack-IC is removed from the CBA, handle it gently 1. Using desoldering braid, remove the solder from because it may be damaged if force is applied. the foil of each pin of the flat pack-IC on the CBA so you can install a replacement flat pack-IC more easily.
Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.
PREPARATION FOR SERVICING How to Enter the Service Mode Adjustment Mode Caution 1: Head switching position adjustment (Manual adjustment): See adjustment 1. Optical sensors system are used for Tape Start instructions page 1-6-7. and End Sensor on this equipment. Read this page carefully and prepare as described on this No need to use.
CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart Removal Step/ This flowchart indicates the disassembly steps for the Remove/*Unhook/ Loc. Part Fig. Unlock/Release/ cabinet parts and the CBA in order to gain access to Note Unplug/Unclamp/ item(s) to be serviced. When reassembling, follow the Desolder steps in reverse order.
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5. Removal of the Top Cover. 8. Removal of the Main CBA. Remove five screws (S-4) and CL604, and remove Remove four screws (S-9) and pull up the Main the Top Cover. CBA. 6. Removal of the Bottom Plate. 9. Removal of the CRT. Remove a screw (S-5).
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(S-4) [4] Tray Chassis Unit (S-4) (S-4) (S-4) CL604 (S-6) (S-6) [6] Top Cover (S-6) [2] Power Unit and Tray Chassis Unit (S-6) [8] Deck Unit (S-9) (S-9) (S-9) (S-9) [9] Main CBA (S-3) (S-7) (S-8) (S-3) (S-3) Power Button [5] H.V./Power Supply CBA [7] Bottom Plate...
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CRT CBA ANODE CN501B FOCUS SCREEN CN501 CN502 H.V./POWER SUPPLY CBA CN552 CL501A CN551 CN602 CN601 TO DEGAUSS COIL MAIN CBA CL403 CL302A CL401 CL301A CL402 CN201 CN151 CL603A CAPSTAN TO SPEAKER MOTOR CL604 TO TOP COVER CYLINDER ASSEMBLY ACE HEAD FE HEAD DECK UNIT ASSEMBLY...
ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: “CBA” is abbreviation for How to Set up the Service mode: “Circuit Board Assembly.” Note: After replacing the IC202 (Memory) or Main Note: Electrical adjustments are required after CBA, the set value in IC202 (Memory) will be replacing circuit components and certain lost.
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1. DC 105V (+B) Adjustment 2. H Adjustment Purpose: To obtain correct operation. Purpose: To get correct horizontal position and size of screen image. Symptom of Misadjustment: The picture is dark and unit does not operate correctly. Symptom of Misadjustment: Horizontal position and size of screen image may not be properly displayed.
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3. C-Trap Adjustment 4. SECAM Black Level Adjustment Purpose: To get minimum leakage of the color signal Purpose: To set Black Level of the SECAM signal R- carrier. Y/B-Y to Ref. level. Symptom of Misadjustment: If C-Trap Adjustment is Symptom of Misadjustment: If Black Level of the incorrect, stripes will appear on the screen.
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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.
8. Cut-off Adjustment 9. White Balance Adjustment Purpose: To adjust the beam current of R, G, B, and Purpose: To mix red, green and blue beams correctly screen voltage. for pure white. Symptom of Misadjustment: White color may be Symptom of Misadjustment: White becomes bluish reddish, greenish or bluish.
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10. Sub-Brightness Adjustment 11. Setting for CONTRAST, COLOR, TINT and SHARP Data Values Purpose: To get proper brightness. General Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by 1. Enter the Service mode. (See page 1-6-1.) adjusting the Brightness Control.
12. Focus Adjustment 13. Head Switching Position Adjustment Purpose: Set the optimum Focus. Purpose: Determine the Head Switching Position Symptom of Misadjustment: If Focus Adjustment is during Playback. incorrect, blurred images are shown on the display. Symptom of Misadjustment: May cause Head Test Point Adj.
HOW TO INITIALIZE THE TV/VCR COMBINATION To put the program back at the factory-default, initialize the TV/VCR Combination as the following procedure. 1. Turn the power on. (Use main power on the TV unit.) 2. To enter the Service mode, press [STANDBY/ON], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds.
MECHANICAL TROUBLE INDICATOR 1. Each Malfunction Indication POWER SAFETY POWER SAFETY 1 If the MONITOR is turned ON right after the Mechanical Malfunction occurs or POWER SAFETY/ If P-SAFETY 1 port becomes continuously 2.5 V or X-RAY is turned ON, display the following character to less for 120 msec.
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Mechanical Malfunction determination CASSETTE OUT operation start, if LD-SW does not go to the EJ position or if START 1. REEL Malfunction detection Sensor and END Sensor does not turn “ON” at Countermeasure for REEL and CAPSTAN motor the EJ position, the unit starts again to insert rotation malfunction (Except CASSETTE CASSETTE.
SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
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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.
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Main 1/5 & Sensor Schematic Diagram 1-10-3 T6609SCM1...
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Main 2/5 Schematic Diagram 1-10-4 T6609SCM2...
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Main 3/5 Schematic Diagram 1-10-5 T6609SCM3...
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Main 4/5 Schematic Diagram 1-10-6 T6609SCM4...
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Main 5/5 Schematic Diagram 1-10-7 T6609SCM5...
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H.V./Power Supply 1/2 & Junction-A Schematic Diagram CAUTION ! CAUTION ! Because a hot chassis ground is present in the power For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used.
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Main CBA Top View Sensor CBA Top View BHF300F01011-A TO SENSOR CBA (END-SENSOR) BHF300F01011-B J361G4 (SECAM Black Level Adjustment) TP007 N-A-PB TP002 RF-SW TP001 TP008 C-PB J349F3 (C-Trap Adjustment) TP003 V-OUT TO SENSOR CBA (START-SENSOR) 1-10-11 BT6600F01014...
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Main CBA Bottom View PIN 8 PIN 29 PIN 48 OF IC401 OF IC401 OF IC401 WF17 PIN 58 OF IC201 WF18 PIN 59 OF IC201 PIN 52 OF IC301 WF11 PIN 7 OF IC301 WF10 PIN 13 OF IC301 1-10-12 BT6600F01014...
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H.V./Power Supply CBA Top View CAUTION ! CAUTION ! Because a hot chassis ground is present in the power For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. replace only with the same type fuse.
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H.V./Power Supply CBA Bottom View CAUTION ! CAUTION ! Because a hot chassis ground is present in the power For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. replace only with the same type fuse.
IC PIN FUNCTION DESCRIPTIONS IC201 (TV/VCR Micro Controller IC) Signal Function Name “H” ≥ 4.5 V, “L” ≤ 1.0 V System Reset Signal (Reset IN RESET = “L”) Signal Function Name IN XCIN Sub Clock 32 kHz Not Used 36 OUT XCOUT Sub Clock 32 kHz P-SAFETY Power Supply Failure...
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Signal Function Name E2PROM/CHROMA IC Tuner Communication Data Not Used IN C-SYNC C-Sync Input Not Used Capstan Motor Control 76 OUT C-CONT Signal 77 OUT D-CONT Drum Motor Control Signal Capstan Motor FWD/REV 78 OUT C-F/R Control Signal (FWD = “L”/ REV = “H”) Not Used Take Up Reel Rotation...
LEAD IDENTIFICATIONS MID-32A22F LA78040A 2SK2647 PT204-6B-12 2SC5884000RF 2SD1913(R) KTC2026Y TT2084LS-YB11 TT2138LS-YB11 S: Souce D: Drain G: Gate B C E IN G OUT S D G 2SA1015-GR(TE2 F T) 2SA1346 2SA1175(F) PS2561L1-1-VL 2SC1815-GR(TE2 F T) 2SA950(Y,O) PS2561L1-1-VW 2SC2120-O(TE2 F T) 2SC1627Y-TPE2 2SC2120-Y(TE2 F T) 2SC2482 TPE6...
XB0M451MS002 Before replacing any of these components, read care- DRY BATTERY R6P/2S XB0M451T0001 fully the product safety notice in this service manual. QUICK USERS GUIDE T6609BK 1EMN20245 Don't degrade the safety of the product through improper servicing. NOTE: Parts that are not assigned part numbers (---------) are not available.
ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. ! have special characteristics important to safety. C210 CHIP CERAMIC CAP .(1608) CH J 22pF/50V or CHD1JJ3CH220 Before replacing any of these components, read care- CHIP CERAMIC CAP .
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Ref. No. Description Part No. Ref. No. Description Part No. C243 ELECTROLYTIC CAP . 47µF/6.3V M H7 CE0KMAVSL470 ELECTROLYTIC CAP . 1µF/50V M CE1JMASTL1R0 C244 CHIP CERAMIC CAP .(MELF) F Z 0.01µF/16V or CZM1CZ30F103 C322 ELECTROLYTIC CAP . 470µF/10V M or CE1AMASDL471 CHIP CERAMIC CAP .(MELF) F Z 0.01µF/16V CZM1CZB0F103...
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Ref. No. Description Part No. Ref. No. Description Part No. CHIP CERAMIC CAP .(1608) F Z 0.1µF/25V or CHD1EZ30F104 C444 CHIP CERAMIC CAP . B K 2200pF/50V or CHD1JK30B222 CHIP CERAMIC CAP . F Z 0.1µF/50V or CHD1JZB0F104 CHIP CERAMIC CAP . B K 2200pF/50V CHD1JKB0B222 CHIP CERAMIC CAP .
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Ref. No. Description Part No. Ref. No. Description Part No. C865 CHIP CERAMIC CAP .(1608) B K 0.022µF/50V or CHD1JK30B223 SWITCHING DIODE 1N4148 NDTZ001N4148 CHIP CERAMIC CAP .(1608) B K 0.022µF/25V or CHD1EK30B223 D687 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 CHIP CERAMIC CAP . B K 0.022µF/50V or CHD1JKB0B223 SWITCHING DIODE 1N4148 NDTZ001N4148...
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Ref. No. Description Part No. Ref. No. Description Part No. INDUCTOR 100µH-K-26T LLAXKDTKA101 Q705 PCB JUMPER D0.6-P5.0 JW5.0T L681 PCB JUMPER D0.6-P7.5 JW7.5T Q706 TRANSISTOR 2SC2785(F) or QQSF02SC2785 L682 PCB JUMPER D0.6-P7.5 JW7.5T TRANSISTOR 2SC2785(H) or QQSH02SC2785 L701 INDUCTOR 12µH-J-26T or LLAXJATTU120 TRANSISTOR 2SC2785(J) or QQSJ02SC2785...
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Ref. No. Description Part No. Ref. No. Description Part No. METAL OXIDE FILM RES. 1W J 2.2 Ω CHIP RES.(1608) 1/10W J 10k Ω or R696! RN012R2ZU001 R749 RRXAJR5Z0103 METAL OXIDE FILM RES. 1W J 2.2 Ω CHIP RES.(1608) 1/10W J 10k Ω R696 RN012R2DP003 RRXAJB5Z0103...
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JUNCTION A CBA Ref. No. Description Part No. SWITCHES Ref. No. Description Part No. SW201 TACT SWITCH SKQNAED010 or SST0101AL055 JUNCTION A CBA ---------- TACTILE SWITCH KSHG612BT SST0101HH027 Consists of the following: SW202 TACT SWITCH SKQNAED010 or SST0101AL055 CONNECTOR TACTILE SWITCH KSHG612BT SST0101HH027 CN603 242 SERIES CONNECTOR TUC-P12X-B1 WHT...
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Ref. No. Description Part No. Ref. No. Description Part No. C562 ELECTROLYTIC CAP . 47µF/25V M or CE1EMASDL470 CN552 242 SERIES CONNECTOR 224202107W1 J322C07TG001 ELECTROLYTIC CAP . 47µF/25V M CE1EMASTL470 CN601 CONNECTOR BASE 2P TV-50P-02-V3 or J3TVC02TG002 C565! ELECTROLYTIC CAP . 47µF/160V M W/F or CE2CMZPDL470 CONNECTOR BASE 2P RTB-1.5-2P or J3RTC02JG001...
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Ref. No. Description Part No. Ref. No. Description Part No. RECOVERY DIODE ERC18-04 QDZZ0ERC1804 TRANSISTOR 2SC2120-O(TE2 F T) or QQS02SC2120F D627! SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 TRANSISTOR KTC3203-Y-AT/P NQSYKTC3203P SWITCHING DIODE 1N4148 NDTZ001N4148 Q608 TRANSISTOR 2SC2785(F) or QQSF02SC2785 D629 ZENER DIODE MTZJT-7733C or QDTC00MTZJ33 TRANSISTOR 2SC2785(H) or QQSH02SC2785...
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Ref. No. Description Part No. Ref. No. Description Part No. CEMENT RES. 5W K 0.68 Ω or RW05R68DP005 13V POW HEAT SINK PAL PHK T6400RA 0EM407687 CEMENT RESISTOR 5W J 0.68 Ω RW05R68PAK10 13V P H/S PAL PHM ASSEMBLY T6400RA 0EM407691 R618 PCB JUMPER D0.6-P5.0...
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