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Nice manual. Clear copy and very rare, to boot. Great price, too!
 ;
Excellent service manual. Complete service info. with schematics, step-by-step instructions and illustrations. Well worth the price!
;
Great product, helped me to restore vintage walkman cassette.
Just some pictures could be little bit more sharp and contrast
Thank you
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I love older radio's and the service manuals that are sometimes hard to find. Was able to find a manual quite easily on this site.
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Thank you for your shop manual! Your help was very useful - the device is repaired! Once again - Thank you! I wish you a successful business! Edward (Russia).
54GT-25SC 54GT-26SC
DESCRIPTION OF SCHEMATIC DIAGRAM
SAFETY NOTE: 1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS. 2. SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING. IMPOTANT SAFETY NOTE: PARTS MARKED WITH « ! » ( ) ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMANCE OF THE SET.
NOTE: 1. The unit of resistance «ohm»is omitted (K=1000 ohms. M= Megaohm). 2. All resistors are 1/8 watt. unless otherwise noted. 3. All capacitors are µF, unless otherwise noted (P=
µµF).
4. The capacitor with Part No. RC-FZ9XXXBMNJ is designed to with stand 63V. 5. The capacitor with Part No. RC-FZ4XXXBMNJ is designed to with stand 50V.
SERVICE PRECAUTION: THE AREA ENCLOSED BY THIS LINE ( ) IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE. WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANSFORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK. WAVEFORM MEASUREMENT CONDITION: Colour bar genetator signal of 70 dB from RF input.
CAUTION This circuit diagram is original one, therefore there may be slight difference from yours.
Power circuit drive. Q701 Drain
H-output. Q601 colector
H-drive. Q601 Base
1
V. Division: 100V / Sec. Division: 5uS
2
V. Division: 200V / Sec. Division: 20uS.
3
V. Division: 2.0V / Sec. Division: 20uS
V-output. F 5pin
V-output. F 4pin
Video out. IC201 54pin
4
V. Division: 10V / Sec. Division: 5mS
5
V. Division: 2.0V / Sec. Division: 5mS
6
V. Division: 1V / Sec. Division: 20uS
H-sync. IC1001 19pin
V-sync. IC1001 24pin
Red cathode CRT socket 8pin
7
V. Division: 1V / Sec. Division: 20uS
8
V. Division: 1V / Sec. Division: 5mS
9
V. Division: 20V / Sec. Division: 20uS
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