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Up to now you are the BEST! Prompt-efficient and so reasonable ! I have been after SONY service manual for quite some time !Thank you very much ! I can recomend your service to
all my collegagues ! V.Bergfield .
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This is a very good quality print (scan) of the original SONY service manual. The original from Sony is on very thin paper. Nevertheless it is very clear and sharp and excellent readable. I'm very satisfied to have now this rare document. I've looking for it many years (infrequent). It contains very detailed circuit diagrams, exploded views, part lists, PCB view with good readable connection lines. Very recommended.
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A complete manual with all the needed details of calibrations and service instructions about the radio receiver.
A big deal.
Many thanks !
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Fast delivery and good quality copy. To be recommended
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Excellent product, very clear print. Detailed circuit and assembly diagrams - this enabled me to repair my CD player with confidence. I highly recommend this site.
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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