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DRX-1
Check internal Power supply voltages
5M on testpoint F9340
12STBY on testpoint F810
8STBY on pin 3 of IC7332
8SW on testpoint F9336
5STBY on testpoint F9333
5SW on testpoint F303
5STBY2 on testpoint F900
5STBY_uP on IC7803
60
4. Analog Board-4
Power Part Check
NOK
check Fuse 1327
NOK
check Fuse 1326
NOK
check IC 7332
NOK
check - ISTBY HIGH?
- T7329, T7324, MOSFET7321
NOK
check Fuse 1325
NOK
check - ISTBY HIGH?
- T7329, T7324, MOSFET7323
NOK
check L5901, IC7900
NOK
check L5903, IC7803
OK
Power Part OK
Fig. 19
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