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There was no problem at all.After paying i had to wait only a few hours,than i could
download the manual in best pdf-quality.
Thank You !
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I found this service manual to be complete in every detail except for troubleshooting charts. It would be helpful if it had a set of troubleshooting charts; however it is a very good manual otherwise and for the price it is very well worth it.
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Complete manual included schematics layouts and alignment procedure, clear to read and magnify, extremely pleased with manual and owner manual . com's service
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perfect, i am very satisfait for the réception of the sansui r-5l service manual, thank you very much
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Thank you, this is a rare document. Few others have it, but they charge way more for a download.
Great deal (even if you have to wait a few hours to get it).
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7.3.4.3 Troubleshooting Step 1: Connectors
A
CN701, CN702 Are the connectors securely inserted ? Yes
6
IC703 (pin 1), IC702 (pin 7)
3.3 V Reg. output / 1.8 V Reg. input Is IC703 abnormally hot? Yes No
No Insert the connectors securely.
Is the voltage 3.3 V ? Yes
No
Replace IC703.
To STEP 2 The output and GND may be short-circuited. Check the path between them.
Step 2: Power supply
B
7
IC762 (pins 37, 47) FLASH ROM
1
CN702 (pin 4) Is the voltage 5V? Yes
5 V input Is there any loose connection of CN702? Yes Is the voltage 3.3 V ? Yes Check the MOTHER Assy. No Check the parts and patterns in the path.
No
No
8
IC761 (pins 1,3,9,14,27,43,49) SDRAM
To STEP 1
2
C
IC703 (pin 3)
3.3 V Regulator IC input
Is the voltage 3.3 V ? Yes
No
Check the parts and patterns in the path.
Is the voltage 5V? Yes
No
Check the patterns in the path.
9
IC953 (pin 14) Is the voltage 3.3 V ? Yes
5-3 Converter
No
Check the parts and patterns in the path.
3
IC951 (pin 14)
3-5 Converter
D
Is the voltage 5V? Yes
No
Check the parts and patterns in the path.
10 IC701 (pins 16,33,64,76,112) USB Media control IC
Is the voltage 3.3 V ? Yes
No
Check the parts and patterns in the path.
4
IC771 (pin 5)
USB Power SW
Is the voltage 5V? Yes
E
No
Check the parts and patterns in the path.
11
IC702 (pin 1)
1.8 V Regulator output
5 IC7814 (pins 14, 15) DAC
Is the voltage 5V? Yes No Check the parts and patterns in the path.
Is the voltage 1.8 V ? Yes
No
Is IC702 abnormally hot? Yes
No
Replace IC702.
The output and GND may be short-circuited. Check the path between them.
A
F
134
1 2
VSX-816-K
3 4
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