Panasonic TX-LR32S25 Service Manual ▷ View online
TX-LR32S25
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7.13. PCB & Clamper Assembly
1. Put the P-PCB, A-PCB on the MTG METAL.
2. Fix them with SCREWS.
3. Setting the CLAMPER.
4. Insert inv-lead in P PCB.
2. Fix them with SCREWS.
3. Setting the CLAMPER.
4. Insert inv-lead in P PCB.
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7.14. PB MTG Installation
1. Put METAL BRACKET on the LCD PANEL.
2. Fix them with SCREW.
2. Fix them with SCREW.
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8 Measurements and Adjustments
8.1.
Voltage chart of A-board
Set IP-Board to a dummy set and check the satisfaction with the specified voltage as following table.
8.2.
Voltage chart of P-board
Set IP-Board to a dummy set or dummy load and check the satisfaction with the specified voltage as following table.
Power Supply Name
Measurement Point
Specification
(V)
SUB3.3V
TP5503
3.21 - 3.45
SUB1.5V
TP5502
1.47 - 1.56
SUB1.2V_A
TP5500
1.26 - 1.33
SUB1.2V_D
TP5501
1.26 - 1.33
SUB5V
TP5200
4.86 - 5.14
SUB_OP_5V
TP5300
4.92 - 5.31
Power Supply Name
Measurement Point
Normal Condition (V)
Normal Condition (V)
P32V
TP7503
31 ± 2.5 V
< 3.0
17V
TP7502
18 ± 2 V
< 2.0
DTV12V
TP7501
12 ± 0.6 V
< 2.0
TUNER6V
TP7601
6.1 ± 0.3 V
6.1 ± 0.3 V
DC390V
TP7201
390 ± 10 V
NO CARE
* HOT
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8.3.
Picture level adjustment (RF)
8.4.
Picture level adjustment (VIDEO)
8.5.
Picture level adjustment (YUV)
Instrument Name
Remarks
1. REMOTE TRANSMITTER
2. Ex. Signal (Sprit color bar)
2. Ex. Signal (Sprit color bar)
Adjustment or Inspection Procedure
Remarks
<procedure>
1. Receive the Sprit color bar.
(Screen mode: ZOOM or FULL Picture mode: DYNAMIC AI: OFF AI Picture: OFF)
*BACK LIGHT +30
*BACK LIGHT +30
<Inspection>
1. Enter Service mode, and select MAIN_ADJ PICTURE.
Volume UP/DOWN key makes GAIN displayed under PICTURE to set.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited
to the adjustment value automatically.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited
to the adjustment value automatically.
(The Sprit Color Bar Pattern)
Instrument Name
Remarks
1. REMOTE TRANSMITTER
2. Video signal generator (100% Color bar)
2. Video signal generator (100% Color bar)
Adjustment or Inspection Procedure
Remarks
<procedure>
1. Receive 100% Color bar.
(ASPECT: ZOOM or FULL, Picture mode: VIVID, AI Picture: OFF)
* BACK LIGHT MAX VALUE
* BACK LIGHT MAX VALUE
<Inspection>
1. Enter Service mode, and select ADJUST CONTRAST.
Volume UP/DOWN key makes GAIN value displayed on the right of CONTRAST to set.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited to the adjustment value
automatically.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited to the adjustment value
automatically.
Instrument Name
Remarks
1. REMOTE TRANSMITTER
2. Component Video signal generator (100% Color bar 1080i)
2. Component Video signal generator (100% Color bar 1080i)
Adjustment or Inspection Procedure
Remarks
<procedure>
1. Receive 100% Color bar.
(ASPECT: ZOOM or FULL, Picture mode: VIVID, AI Picture: OFF)
* BACK LIGHT MAX VALUE
* BACK LIGHT MAX VALUE
<Inspection>
1. Enter Service mode, and select ADJUST CONTRAST.
Volume UP/DOWN key makes GAIN value displayed on the right of CONTRAST to set.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited to the adjustment value
automatically.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited to the adjustment value
automatically.
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