Remote Control Trouble; Sound Trouble - Sony FWD-42PX2 Service Manual

3-5. Remote Control Trouble

Remote control is abnormal.
Is there any abnormal state in
the connection between CN22
on the A board and CN1 on the
H1 board?
No
Is the H1 board abnormal?
No
Replace the A board.

3-6. Sound Trouble

Sound is abnormal.
Is there any abnormal state
in the following items?
. P1 and P3 on the L board
. CN1 on the A board
. CN1302 on the T-L board
. CN1304 on the T-R board
No
Is the L board abnormal?
. Check 1 to 4-pins of P3.
No
Replace the A board.
FWD-42PX2
n
For the replacement parts, refer to Section 4.
The parts other than those described in Section 4 are
not service parts. When the replacement of those parts
is required, replace them in the assembly unit.
Yes Connect correctly.
Yes Replace the H1 board.
n
After replacing the A board, perform the following
adjustments.
. AD calibration adjustment (Refer to Section 2.)
. White balance adjustment (Refer to Section 2.)
. EDID data input
. S-init Goods (Refer to Section 2.)
n
For the replacement parts, refer to Section 4.
The parts other than those described in Section 4 are
not service parts. When the replacement of those parts
is required, replace them in the assembly unit.
Yes Replace the defective parts.
Yes
Replace the L board.
n
After replacing the A board, perform the following
adjustments.
. AD calibration adjustment (Refer to Section 2.)
. White balance adjustment (Refer to Section 2.)
. EDID data input
. S-init Goods (Refer to Section 2.)
3-5