Measurements And Adjustments; Voltage Chart Of A-Board; Voltage Chart Of P-Board; Picture Level Adjustment (Rf) - Panasonic TH-L32U20R Service Manual

8 Measurements and Adjustments

8.1.

Voltage chart of A-board

Check voltage as follows at Reception state
8.2.

Voltage chart of P-board

8.3.

Picture level adjustment (RF)

Instrument Name
1. REMOTE TRANSMITTER
2. Ex. Signal (Sprit color bar)
Adjustment or Inspection Procedure
<procedure>
1. Receive the Sprit color bar.
(Screen mode: ZOOM or FULL Picture mode: DYNAMIC AI: OFF AI Picture: OFF)
*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.
VOLTAGE TEST POINT
STB3.3V TP4716
SUB5V TP4724
SOUND15V TP2765
5VS TP2768
SUB6V TP2767
TCON13.7V TP7019
TCON2.5V TP4826
TCON31V TP7013
TCON-6V TP7014
VOLTAGE TEST POINT
P32V TP7503
17V TP7502
DTV12V TP7501
TUNER6V TP7601
DC390V TP7201
(The Sprit Color Bar Pattern)
SPECIFICATION
(Reception state)
3.3 ± 0.16 V
5 ± 0.25 V
18 ± 2 V
6.1 ± 0.3 V
6.1 ± 0.3 V
12.5 ± 2 V only miniLVDS model
2.5 ± 0.12 V
31 ± 3.1 V
-5.7 ± 0.6 V
SPECIFICATION
(Reception state)
3.1 ± 2.5 V J107
18 ± 2 V J115
12.2 ± 0.6 V J21
6.1 ± 0.3 V D7603K
390 ± 10 V
35
TH-L32U20R
TEST POINT
Remarks
Remarks