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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.
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Fast access, 100% correct and complete service manual
TROUBLESHOOTING HINTS
1. No Character
No Character
Are the Contrast & Brightness Controls maximum Yes
No
Change the Contrast & Brightness control to maximum
Is whole screen bright? Yes
No
No Raster
Refer to No Raster
Is CRT Cathode (Rk, Gk, Bk) signal level normal? No
Yes Rk, Gk, Bk About 45Vpp
Check the peripheral circuit of CRT Board
Is the output signal of the (pin 21, 24, 26) pre-amp (IC801, KA2500) normal? No Is 12Vdc line normal? Yes Is clamping pulse (pin 18 of IC801) normal? Yes
Yes
Check the video output circuit and IC802 (pin 4, 10, 12) and their ambient circuit
No
Trouble in 12Vdc line
No
Check the clamping pulse circuit
Is input signal normal? Yes Trouble in IC801 and its ambient circuit
No
Check the signal cable
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