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There are currently no product reviews.
 ;
Excellent service, and just what I needed to service my TU-7700. All pages of the manual are clear and easily readable.
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
;
We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
;
We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
TROUBLESHOOTING GUIDE
NO PLAYBACK PICTURE
Does E-E appear on the Monitor TV ?
No
Is the voltage at pin 55 of IC4001 5V ?
No
Check Power circuit.
Yes
Yes
Is there PB Y/C signal at TP4001 ?
No
Check PB Y/C at pin 74 of IC4001 and the connection of the CYLINDER.
Yes
Is there FM signal at pins 71 and 72 of IC4001 ?
No
Check R4067, C4094 and the peripheral circuit.
Yes
Is there FM signal at pin 18 of IC4001 ?
No
Replace IC4001.
Yes
Is there VIDEO signal at pin 17 of IC4001 ?
No
Check Q4007 and the peripheral circuit.
Yes
Is there VIDEO signal at pin 29 of IC4001 ?
No
Replace IC4001.
Yes
Check J4201 and the connection to J4201.
E-8
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