Measurements And Adjustments; Voltage Chart Of P-Board; Voltage Chart Of A-Board; Picture Level Adjustment (Rf) - Panasonic TC-L42E30 Service Manual

9 Measurements and Adjustments

9.1.

Voltage chart of P-board

9.2.

Voltage chart of A-board

PANEL12V
AVDD12.5V
9.3.

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
PFC390V +TP7201, 7202
-TP7203, 7204
LED24V TP7514, 7515
DTV16V TP7503, 7504
STBY6V TP7501, 7502
VOLTAGE TEST POINT
STB3.3V TP2773
SUB3.3V TP8701
SUB5V TP8702
TP8716
TP4021
TCON2.5V TP4027
TCON31V TP4051
TCON-6V TP4050
(The Sprit Color Bar Pattern)
SPECIFICATION
(Reception state)
390 ± 15 V
24 ± 2 V
15.6 ± 1.5 V
5.8 ± 0.8 V
SPECIFICATION
(Reception state)
3.3 ± 0.16 V
3.3 ± 0.16 V
5 ± 0.25 V
12 ± 0.6 V
12.5 ± 2 V
2.5 ± 0.12 V
31 ± 3.1 V
-5.7 ± 0.6 V
25
REMARKS
*HOT
REMARKS
Remarks
Remarks