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It's a grate service manuals.Have many details and the writing it's so clear.You have all you want in manual,nothing missing,belive me.I'm verry satisfied of this manual.
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Great scanned service manual
Usefull informations.
I will buy again!
Best Regards
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The manual describes this product very good. It has the basic things to know and also a more detailed look. Very well made!
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An excellent document to assist in the repair of my old personal tape player. It includes full circuit diagrams and physical layout drawings and full instructions on disassembly and fault finding.
Well worth the meagre price.
;
Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
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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