TC-14A12P / TC-20B12

Service Adjustments and Calibrations

TO ENTER IN THE SERVICE MODE:

1.Adjust the volume for the minimum.

2.Adjustment the “OFF TIMER” function for 30 minutes.

3.Simultaneously press the “RECALL“ button of the remote control unit and the “VOLUME DOWN“ button on the TV set. After some seconds, the TV enters the SERVICE MODE and the “CHK1 ” expression should appear on the screen.

TO EXIT SERVICE MODE AND RETURN TO THE NORMAL

STATE:

Press the “NORMAL” key on the remote control unit or turn off the unit.

HOW TO OPERATE THE “DAC” CONTROLS IN THE BR3L CHASSIS

CHK1←→CHK2

− −

↓ ↓

CHK4←→CHK3

To change from “CHK1” to “CHK2” mode and following, press “2” to move forward and “1” to go back.

ADJUSTMENTS IN THE CHK1 MODE:

CHK1 OPTIONS

OPTIONS

PAR

 

 

1

C 1

2

0

0

3

0

0

4

3

3

5

8

0

6

0

0

7

0

0

8

0

0

ADJUSTMENTS IN THE CHK3 MODE:

CHK3 OPTIONS

OPTIONS

PAR

 

 

V-SLOPE

37

V-SHIFT 50Hz

2

V-SHIFT 60Hz

1

V-AMP 50Hz

16

V-AMP 60Hz

16

H-SHIFT

36

S-CORR 50Hz

18

S-CORR 60HZ

18

V-ZOOM 50 Hz

5

V-ZOOM 60 Hz

7

OSD H-POS

3

OSD V-POS 50 Hz

28

OSD V-POS 60 Hz

21

ADJUSTMENTS IN THE CHK2 MODE:

CHK2 OPTIONS

OPTIONS

 

PAR

 

 

 

RF-AGC

 

31

CONTRAST

 

63

COLOUR

 

32

SUB-COLOUR

 

32

NTSC-TINT

 

32

SUB-NTSC-TINT

 

30

BRIGHT

 

32

ADJUSTMENTS IN THE CHK4 MODE:

 

 

CHK4 OPTIONS

 

 

 

OPTIONS

 

PAR

 

 

 

R-CUT

 

31

G-CUT

 

32

BRIGHT

 

32

SUB-BRIGHT

 

31

CONTRAST

 

63

SUB-CONTRAST

 

21

R-DR

 

19

G-DR

 

31

B-DR

 

38

RGB CONTRAST

 

6

NOTE:

To select the options, press “4” to move forward and “ 3 “ to go back.

Select the option and make the adjustment pressing the “VOL _or “ VOL+” keys.

To memorize the adjustment press “0” (CHK1 mode only).

• To turn off AKB (blue OSD), press “5” . To turn on AKB (white OSD), press “5” of the remote control unit.

• After end of the adjustments, press the “ NORMAL” key “ or turn of the unit to return to the normal mode of TV.

To do data memory maintenance, simultaneously press “ MUTE” on the remote control and “VOL _on the TV set when it is in SERVICE MODE . To select the memory address, press “4” to move forward or “3” to go back.)

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Panasonic TC-20B12, TC-14A12P service manual Service Adjustments and Calibrations