Sony TA-ZH1ES Service Manual page 32

TA-ZH1ES
4. The WALKMAN does not charge
The WALKMAN does not charge.
Yes
The condition does not change
even after connecting the new
POWER SUPPLY board to the
DIGITAL board.
Yes
The toggle portion of the detection
switch (S4201) on the USB MICRO
board works correctly and is not
broken.
Yes
Voltage of 5 V at pin 6 (ID) of the
connector (CN4203) on the USB
MICRO board is output while the
digital cable for WALKMAN is
connected.
Yes
The connection cable (shield) that
connects the connector (CN502) on
the DIGITAL board and the
connector (CN4203) on the USB
MICRO board is not removed nor
broken.
Yes
No problems with the surroundings
of IC501 on the DIGITAL board.
Yes
The charging mark is displayed on
the WALKMAN.
Yes
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No
Replace the POWER SUPPLY board
to new board.
Yes
Replace the detection switch (S4201)
No
on the USB MICRO board to new part,
or replace the USB MICRO board to
new board.
Yes
The POWER SUPPLY board is
No
correctly connected to the DIGITAL
board.
Yes
No
Re-insert or repair the connection
cable.
Yes
No
Replace the parts around IC501 on
the DIGITAL board to new parts.
Yes
No
Replace the DIGITAL board to new
board.
Yes
No
Reconnecting the POWER SUPPLY
board.
Yes