Read Sony DPP-FP50 Service Manual online
14
DPP-FP50
SECTION 4
TROUBLESHOOTING
Power supply
Memory card
External
connection
Symptom
Power cannot be
turned on.
Memory Stick cannot be
recognized.
SD card cannot be
recognized.
Compact flash cannot be
recognized.
PictBridge-capable
camera cannot be
recognized.
Personal computer cannot
be recognized.
VIDEO OUT cannot be
output.
Check point
1. MAIN board: Check of CN203, F302, IC201, IC404, IC410, Q205, Q207,
Q417 and peripheral circuits.
• Is 5.0 V output to TP456?
• Is 3.3 V output to TP428?
• Isn’t F302 shorted?
• Is 5.0 V output to TP456?
• Is 3.3 V output to TP428?
• Isn’t F302 shorted?
2. BGA board:
IC101, IC102, IC103 and peripheral circuits
• Is 3.3 V output to TP104?
• Is 1.6 V output to TP101?
• Is 1.6 V output to TP101?
1. MSSD board: Check of CN601, CN602, IC601 to IC603, peripheral circuits
and harnesses.
• Is 3.3 V input to 9-pin of CN602?
• Is 3.3 V input to 9-pin of CN602?
2. BGA board:
Check of CN103, IC104, Q102, Q103 and peripheral circuits.
• When the Memory Stick is inserted, is 12-pin (MS detection) of CN103 in
the L state?
3. Check if the image in the Memory Stick is applicable file format (JPEG,
BMP, TIF).
4. Check if the Memory Stick has no problem.
1. MSSD board: Check of CN601, CN603, IC601 to IC603, peripheral circuits
and harnesses.
• When SD is inserted, is 3.3 V input to 4-pin of CN603?
• When SD is inserted, is 3.3 V input to 4-pin of CN603?
2. BGA board:
Check of CN103, IC104, Q104, Q105 and peripheral circuits.
• When SD is inserted, is 10-pin (SD detection) of CN103 in the L state?
3. Check if the image in the SD card is applicable file format (JPEG, BMP, TIF).
4. Check if the SD card has no problem.
1. MAIN board: Check of CN301, IC301 to IC309 and peripheral circuits.
• Is 5 V output from 8-pin of IC304 (3.3 V is input to 1-pin)?
2. Check if the image in the compact flash is applicable file format (JPEG,
BMP, TIF).
3. Check if the compact flash has no problem.
1. Check the communication by “USBTest”in the service mode.
2. MAIN board: Check of CN201, CN203 to IC304, peripheral circuits and
harnesses
• Is 5 V output from 5-pin of IC304? (Is 3.3 V input to 4-pin?)
• Check of FB201 and L201.
• Is 5 V output from 5-pin of IC304? (Is 3.3 V input to 4-pin?)
• Check of FB201 and L201.
3. BGA board:
Check of CN102, IC104 and peripheral circuits.
• Check of R102, R104, R105 and R140.
4. USBA board: Check of CN801 and peripheral circuits.
1. Check the communication by “USBTest”in the service mode.
2. MAIN board: Check of CN202, CN203 and peripheral circuits.
• Is 5 V output to TP201 when PC is connected.
• Check of L203 and Q201.
• Check of L203 and Q201.
3. BGA board:
Check of CN102, IC103 and peripheral circuits.
• Check of R107, R108, R141 and R142.
1. MAIN board: Check of CN203, IC405, J401 and peripheral circuits.
2. BGA board:
Check of CN102, IC104 and peripheral circuits.
• Check of R120 and R121.
4-1. ELECTRICAL TROUBLESHOOTING
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