Panasonic TX-23LX50M / TX-23LX50A / TX-23LX50X Service Manual ▷ View online
6.4. Power unit
1. Disconnect the couplers (P1 and P2).
2. Remove the fixing screws (5pcs
2. Remove the fixing screws (5pcs
).
3. Remove the power unit.
6.5. A-Board
1. Remove the fixing screws (4pcs
).
2. Disconnect the couplers (A2 and A5).
3. Disconnect the bridge connector (A3 and A4).
4. Remove the A-Board and the shield case.
3. Disconnect the bridge connector (A3 and A4).
4. Remove the A-Board and the shield case.
6.6. AP-Board
1. Disconnect the couplers (AP1, AP2 and AP5).
2. Disconnect the bridge connector (A3 and A4 on A-Board).
3. Remove the AP-Board.
2. Disconnect the bridge connector (A3 and A4 on A-Board).
3. Remove the AP-Board.
6.7. K-Board
1. Remove the fixing screws (2pcs
and 2pcs
).
2. Remove the K-Board unit.
3. Disconnect the couplers (K1, K2 and K3).
4. Remove the K-Board.
3. Disconnect the couplers (K1, K2 and K3).
4. Remove the K-Board.
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TX-23LX50M / TX-23LX50A / TX-23LX50X
6.8. V-Board
1. Remove the fixing screws (2pcs
).
2. Disconnect the couplers (V1 and V2).
3. Remove the V-Board.
3. Remove the V-Board.
6.9. Speaker
1. Remove the fixing screws (8pcs
).
2. Remove the speaker.
6.10. Main chassis
1. Remove the fixing screw (1pcs
).
2. Disconnect the earth cable.
3. Remove the fixing screws (6pcs
3. Remove the fixing screws (6pcs
).
4. Disconnect the couplers (A2, A5, AP2, AP5, CN101 and
K1)
5. Remove the main chassis.
6.11. LCD Panel
1. Remove the main chassis.
2. Remove the K-Board.
3. Remove the fixing screws (2pcs
2. Remove the K-Board.
3. Remove the fixing screws (2pcs
, 5pcs
and 1pcs
).
4. Remove two LCD mount metal.
5. Remove the LCD Panel.
5. Remove the LCD Panel.
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TX-23LX50M / TX-23LX50A / TX-23LX50X
7 Lead of Wiring
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TX-23LX50M / TX-23LX50A / TX-23LX50X
8 Service Mode Function
MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be
adjusted by remote control in Service Mode.
adjusted by remote control in Service Mode.
8.1. How to enter SERVICE 1
1. In sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM.
2. Simultaneously press INDEX button on remote control and DOWN button [
2. Simultaneously press INDEX button on remote control and DOWN button [
] on the TV set.
8.2. How to enter SERVICE 2
1. Set the channel to CH99.
2. Select the “Sub-Brightness” under Service 1.
3. Press HOLD button on remote control.
Note:
2. Select the “Sub-Brightness” under Service 1.
3. Press HOLD button on remote control.
Note:
To exit to Service mode, press N button on remote control.
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TX-23LX50M / TX-23LX50A / TX-23LX50X
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