DOWNLOAD Panasonic TC-51P100G / TC-51P100H Service Manual ↓ Size: 22.29 MB | Pages: 127 in PDF or view online for FREE

- 21 -

1. Connect Oscilloscope : TPLG5 on LG-board.
2. Into Market mode CHK3.
3. Receive Black Pattern.
4. Adjust Sub Bright : A=180 ± 2V
5. Receive Crosshatch Pattern.
6. Into Market mode CHK2.
7. Adjust Sub Contrast : B=110 ± 2V

G-CUT OFF

B-CUT OFF

R-CUT OFF

Oscilloscope

TPLG5
(on LG-board)

TPLB4
(on LB-board)

TPLR5
(on LR-board)

Setting
Projector

Into Market mode
CHK6

Into Market mode
CHK6

Into Market mode
CHK6

Signal generator

Black Pattern

Black Pattern

Black Pattern

Adjustment

EX DAC G-CUT
OFF
A=180 ± 2V

EX DAC B-CUT
OFF
A=180 ± 2V

EX DAC R-CUT
OFF
A=180 ± 2V

TPLG5

TPLG5

Black Level

A=180±2V

B=110±2V

GND

GND

A

GND

Black Pattern

- 22 -

Preparation
PICTURE MENU  : DYNAMIC
C.TEMP : 

STANDAR

AI : 

OFF

P-NR

: WEAK

COLOR : 

32

1. Receive a window pattern.
2. Align the High Light, Mod Light, and Low Light show below by using colour meter.

Preparation
1. Receive a window pattern.
2. Connect an oscilloscope to TPLB4(LB-BOARD).
3. Set the TV to MARKET MODE [CHK6 mode].
4. Adjust Blue Limit Control.

200

R GAIN

B-G GAIN

0.257±0.005

0.269±0.005

17500±500k

+5±5

50

—

B GAIN

—

0.263±0.005

—

—

5

R CUT OFF

B CUT OFF

0.259±0.005

0.264±0.005

16500±500k

+15±5

H

GND

A=30±1V

Preparation
PICTURE MENU: DYNAMIC CONTRAST MAX(63)

MARKET MODE CHK2,6

C.TEMP

: STANDARD

B-G GAIN (CHK6) 

: MAX

B-G-ST1

: 170

AI

: OFF

SUB CONTRAST (CHK2) : MAX

P-NR

: WEAK

B-GAIN (CHK6) 

: MAX

COLOR

: 32

1. Receive a window pattern.
2. Cover the Green, Red CRT lens, projecting Blue only.
3. Set the White Balance meter in center area of screen.
4. Adjust blue focus VR until brightness, Y, is minimum.
5. Turn blue focus VR clockwise until the measurement is Y + 20 ± 1 cd/m

2

.

6. Set B-G GAIN (CHK6) to Original Data.
7. Set SUB CONTRAST (CHK2) to Original Data.
8. Set B-GAIN (CHK6) to Original Data.
9. Set the White Balance meter in center area of screen.
10. Adjust blue focus VR so that Y is 50 cd/m

2

.

11. Adjust B-GAIN (CHK6) so that B/G (y) is 0.263.
12. Adjust B-G ST1 (CHK6) so that B/G is more than 103% (y is less than 0.2**).

- 23 -

Caution
1. The following adjustment have to be carried out

one with PAL signal (50Hz) and with NTSC signal
(60Hz).

2. Raster adjustment need to set the P-CONVER-

GENCE to Zero Correction some time.

Preparation
1. Before Green Raster Adjustment are attempted,

CRT Set up on page 12, Focus and High voltage
Correct adjustment must be completed.

2. Receive Monoscope Pattern.
3. Set the Picture Menu to DYNAMIC CON-

TRAST:MAX(63).

4. Set the TV to Market Mode, CHK4.
5. Cover the Red, Blue CRT lens, projecting Green

only.

6. Set the Data of S CONVERGENCE to Zero.

7. Set the Data of P-CONVERGENCE to Zero Cor-

rection.

1 2 3

1

2

3

1 2 3

1

2

3

S CONVERGENCE

CONVERGENCE

NEXTN

Push Volume "+" or "-"

Push
"N"

Push "N"

Push
"N"

Adjust GH and GV data by pushing cursor UP/Down
and Left/Right button to zero for G, R, B.

CHK4

GREEN

GH 0
GV 0

1 2 3

1

2

3

CONVERGENCE

NEXTN

RED

RH 0
RV 0

1 2 3

1

2

3

CONVERGENCE

NEXTN

BLUE

BH 0
BV 0

CLEAR ?
YES :
NO : OTHER

Push RECALL

Push

1 2 3

1

2

3

P CONVERGENCE

Push Volume "+" or "-"

CHK4

Push
MAIN
MENU

STORE
COMPLETE

G-POINT
CURSOR

STOREP-6
YES :
NO : OTHER

G-LINE
CURSOR

Push

- 24 -

1. Set the Data of S CONVERGENCE to Zero.
2. Set the Data of CHK4 as follow.

V-CENTER

:60

H-CENTER

:35

V-S-CORRECT :15
H-PARAREL

:32

3. Receive a PAL monoscope pattern.

1) 50Hz H-WIDTH

1. Press “0” of 10key button.
2. Press  “9” of 10key button, projecting Green

only.

3. Adjust 50Hz H-WIDTH control.

A+B=6(division of a scale)

2) 50Hz V-HEIGHT

1. Press  “9” of 10key button, projecting Green

only.

2. Adjust vertical amplitude for 2.5

±

0.1 division of

a scale by 50Hz V-HEIGHT control.

3. Set the Data of V-HEIGHT to -5DAC (5down).

1. Set the Data of CHK4 as follow.

V-S-CORRECT :23
H-PARALREL

:32

2. Receive a NTSC monoscope pattern.

1) 60HZ H-CENTER (NTSC signal)

1. Receive a NTSC Monoscope Pattern.
2. Press “0” of 10key button.
3. Press “9” of 10key button, projecting Green.
4. For 60Hz Horizontal Center adjust them, adjust

Monoscope pattern to the center of the screen.

2) 60Hz H-WIDTH

1. Press “0” of 10key button.
2. Press  “9” of 10key button, projecting Green

only.

3. Adjust 60Hz H-WIDTH control.

A+B=6 (division of a scale)

3) 60Hz V-HEIGHT

1. Adjust Vertical Amplitude for 2.5

±

0.1 division of

a scale by V-HEIGHT control.

2. Set the Data of V-HEIGHT to -5DAC (5 down).

1 2 3

1

2

3

A

B

1 2 3

1

2

3

A

B

1

2

1

2

1

2

1

2

2.5

2.5

2.5

2.5