Diagnostic Software, Trouble Shooting and Test Instructions
Fault Finding Trees
No Operation
Standby LED does not light, The player does not operates
Go
Check point : The output voltage of VCC is 5 V + / - 5 %. Observe: If the LED can be lighted up again when the R314 on front panel board is short circuit manually.
Yes
Solution: Replace the R314
No Check point : The 11V at the output of IC U201 pin number 3. Observe :N/A Yes Check point : The input side of R201 is over 11V. Observe :N/A No Check point : Short circuit the terminals of L 203 . Observe : The operation can be restored. No Solution : Replace the IC U201
Yes
Solution : Replace the resistor R201
Yes
Solution : Replace the coil L203
No
Check point : Short circuit the pin number 3 and 4 of the 201 L . Observe : The operation can be restored.
Yes
Solution : Replace the coil L201
No
Check point : Check the FUSE 2 01 Observe : FUSE is burn No
Solution : Yes Replace the FUSE
Replace the External PSU
CL 26532085-060.eps 180702
