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It was magic after so many years to still be able to source this info. It was equally amazing to return my Pioneer receiver to it near new sound quality AFTER NEARLY 30 YEARS! Thank you for this ability!
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Very quick and easy website to use and fast download of manual, quality of manual is excellent and will be pleased to use this service again in the future, thanks so much!
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Easy and secure way to get a complete service manual of a vintage hifi component. Only some parts of the print copy are dificult to read. Nice price!
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The manual is an excellent reproduction with complete schematics, made troubleshooting and repair a simple process.
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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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Step 3: HDMI
A
Step 3-2: CLK, DATA
Step 3-3: Tx
U
IC101 (pins 1-3, 121) VIDEO No Check the soldering of IC101. If soldering has not been done correctly, replace IC101.
W
D381 (Cathode) HPD No Check the soldering of D381. If soldering has not been done correctly, replace D381.
Is there a clock ?
Is the voltage "H" (5 V)?
U
B
Yes
X
Yes DDC_TX No Check the soldering of IC301. If soldering has not been done correctly, replace IC301.
IC101 (pins D0-D23) No Check the soldering of IC101. If soldering has not been done correctly, replace IC101.
IC301 (pins 19, 20)
Is there a data ?
Is there a signal ?
U
Yes AUDIO (DVD) No Check the soldering of IC101. If soldering has not been done correctly, replace IC101.
Y
Yes
IC101 (pins 78, 88) Are there clock and data?
C
Q353 (pins 3, 6) Are signals the No Check the soldering of Q353. same as those at Pins 4 and 1 but whose voltage If soldering has not been done has been converted correctly, replace Q353. from 3V to 5V detected? Yes Yes
V
Yes IC201 (pin 11)
Z
Is there a data ? Yes Check the INTERFACE Assy and DIGITAL MOTHER Assy.
D
No
Check the soldering of IC201. If soldering has not been done correctly, replace IC201.
IC301 (pins 26, 27, 29, 30, 32, 33, 35, 36) TMDS_TX
Do signals (approx. 0.5 Vp-p) run in all the lines? Yes
No Check the soldering of IC301. If soldering has not been done correctly, replace IC301.
U
IC101 (pins 81-88) Are there clock and data? Yes AUDIO (DVD-AUDIO/Multi ch)
CN301
Is soldering of No Check the soldering of IC101. If soldering has not been done correctly, replace IC101. CN301 OK? Yes Replace CN301
No
Solder the CN301correctly.
V
E
IC201 (pins 12-18) Are there clock and data? Yes Check the INTERFACE Assy and DIGITAL MOTHER Assy. No Check the soldering of IC201. If soldering has not been done correctly, replace IC201.
F
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VSX-74TXVi
3 4
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