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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
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Block diagram,play rec block diagram,adjusments, it's a very good well done repair manual.
5-2 Initial
Initial Failure
Downloading SW is OK ? (Is CSROM signal OK ?)
No
After power on, check and repair the important signals of U108 as follows
Yes
The node between R162 and C183 = "H" (RST)
No
Check the circuit related to reset
Yes No
R114 = "H" (BOOT) Resolder R114
Yes
Check all the other connection by Test S/W R150 = "H" (GPIO4)
No
Resolder R150
Yes
Check the circuit around LCD
No
R165 = "L" (GPIO2) Resolder R165
Check the circuit around U107(EEPROM) and data stored in it Replace PBA
END
5-3
Flow Chart of Troubleshooting
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