Troubleshooting; Electrical Troubleshooting - Sony DPP-FP95 Service Manual

2-1. ELECTRICAL TROUBLESHOOTING

Symptom
Power supply Power cannot be
turned on.
Memory Stick or Memory
Memory card
Stick Duo cannot be
recognized.
SD card cannot be
recognized.
xD-Picture card cannot be
recognized.
CF card cannot be
recognized.
External PictBridge-capable
connection camera cannot be
recognized.
Personal computer cannot
be recognized.
Indication and LCD of main unit cannot
operation be displayed.
HDMI output display
Key operation
There is no response to
the key operation on the
operation panel.
There is response to
the key operation, but
printing cannot be made.
Printed image is abnormal.
DPP-FP95

2. TROUBLESHOOTING

Check point
1. MAI board: Confirmation of F202, Q206, IC210, Q222, and circuit in surrounding
• 5V in TP229.
• 3.3V in TP205.
• 1.8V in TP249.
• 1.3V in TP201.
• Disconnection of F202
• IC101, IC210, and circuit in surrounding
1. MAI board: CN605, Q602 and confirmation of surrounding circuit
2. 3.3V per 9 pin of CN605.
Is 6 pin of CN605 (MS detection) "L"?
3. Confirmation of image in MS
4. Confirmation whether there is in MS problem
1. MAI board: CN604, Q607, and confirmation of surrounding circuit
2. 3.3V per 26 pin of CN604.
Is 32 pin of CN604 (SD detection) "L"?
3. Confirmation of image in SD
4. Confirmation whether there is in SD problem
1. MAI board: CN604, Q506, and surrounding circuit
2. 3.3V per 19 pin of CN604
Is 2 pin of CN604 (XD detection) "L"?
3. Confirmation of image in XD
4. Confirmation whether there is in XD problem
1. MAI board: CN505, Q510, and confirmation of surrounding circuit
3.3V per 13 and 38 pin of CN505.
Is CL531 (CF detection) "L"?
2. Confirmation of image in CF
3. Confirmation whether there is in CF problem
1. MAI board: LF601, IC601, and the surrounding circuit
5V in 1 pin of CN601
Confirmation of IC602
2. Confirmation of the camera cable of PictBrige
1. MAI board: LF602, IC601, and the surrounding circuit
Have 5V gone out to 1 pin of CN602 when PC is connected?
2. Confirmation of the PC cable
1. MAI board:CN404, Q404, IC101, and the surrounding circuit
10 to 18V per 23 pin of CN404
2. LCD board and connector and the surrounding circuit
1. MAI board: CN403, IC101, IC404 and the surrounding circuit
5V in 18 pin of CN403
1. Operation is confirmed in the button test of the service mode.
2. KEY board: Each SW and FFC soldering confirmation
3. MAI board:CN203, IC209, IC204, IC101, and the surrounding circuit
1. MAI board:CN206, IC210, IC204, IC101, and the surrounding circuit
2. Whether abnormality is found in the mechanism deck
1. MAI board:CN204, CN205, and the surrounding circuit
2. Whether abnormality is found in the mechanism deck
1. Prints with Mechanic Test of the service mode and confirms it
2. MAI board:CN208, IC204, and the surrounding circuit
3. Whether abnormality is found in the mechanism deck
2-1