Measurements And Adjustments; Voltage Chart Of A-Board; Voltage Chart Of P-Board; Picture Level Adjustment (Rf) - Panasonic TC-L32C3 Service Manual

TC-L32C3

8 Measurements and Adjustments

8.1.

Voltage chart of A-board

Check +B voltage of A PCB
8.2.

Voltage chart of P-board

Check +B voltage of P PCB
VOLTAGE
PFC390V
DTV16V
STBY6V
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 TP4723
AVDD12.5V TP7019
TCON2.5V TP7021
TCON31V TP7013
TCON-6V TP7014
TEST POINT SPECIFICATION
+TP7201, 7202
-TP7203, 7204
TP7801, 7505
TP7506
(The Sprit Color Bar Pattern)
30
SPECIFICATION
(Reception state)
3.3 ± 0.16 V
5.1 ± 0.25 V
12.5 ± 2 V
2.5 ± 0.12 V
31 ± 3.1 V
-5.7 ± 0.6 V
STATE
390 ± 15 Reception
- -
15.6 ± 1.5 Reception
5.8 ± 0.8 Reception
5.8 ± 0.8 Stand by
* HOT
* HOT
Remarks
Remarks