Electrical Adjustment Instructions; Initial Setting - Symphonic LCD-B20D6 Service Manual

ELECTRICAL ADJUSTMENT INSTRUCTIONS

General Note:
"CBA" is abbreviation for "Circuit Board Assem-
bly."
NOTE:
Electrical adjustments are required after replacing
circuit components and certain mechanical parts. It is
important to perform these adjustments only after all
repairs and replacements have been completed.
Also, do not attempt these adjustments unless the
proper equipment is available.
Test Equipment Required
1. DC Voltmeter
2. Pattern Generator
3. Color Analyzer
How to Set up the Service mode:
1. Turn the power on. (Use main power on the TV
unit.)
2. Press [STANDBY], [2], [7], [1], and [MUTE] buttons
on the remote control unit in that order within 5
seconds.
- To cancel the service mode, press [STANDBY]
button on the remote control.

1. Initial Setting

General
Enter the Service mode.
Set the each initial data as shown on table 1 below.
Table 1: Initial Data
ITEM
BRT(PAL)
CNT(PAL)
CLR-R(PAL)
CLR-B(PAL)
SHR(PAL)
S-BRT(PAL)
S-CNT(PAL)
S-CLR-R(PAL)
S-CLR-B(PAL)
S-SHR(PAL)
C-BRT(PAL)
C-CNT(PAL)
C-CLR-R(PAL)
C-CLR-B(PAL)
C-SHR(PAL)
BRT(SECAM)
CNT(SECAM)
CLR-R(SECAM)
CLR-B(SECAM)
SHR(SECAM)
S-BRT(SECAM)
S-CNT(SECAM)
S-CLR-R(SECAM)
S-CLR-B(SECAM)
S-SHR(SECAM)
C-BRT(SECAM)
C-CNT(SECAM)
C-CLR-R(SECAM)
C-CLR-B(SECAM)
C-SHR(SECAM)
BRT(NTSC)
CNT(NTSC)
CLR-R(NTSC)
CLR-B(NTSC)
TNT(NTSC)
SHR(NTSC)
S-BRT(NTSC)
S-CNT(NTSC)
S-CLR-R(NTSC)
S-CLR-B(NTSC)
S-TNT(NTSC)
S-SHR(NTSC)
6-1
BUTTON
DATA
(on the remote
VALUE
control)
130
140
MENU → 1
70
70
143
133
140
MENU → 2
70
70
143
128
128
MENU → 3
120
120
143
130
140
MENU → 4
70
70
143
133
140
MENU → 5
70
70
143
128
128
MENU → 6
120
120
143
128
138
77
MENU → 7
77
120
143
128
138
74
MENU → 8
74
120
143
L4630EA