USED ICs
5W7 3CD0 => MAIN SYSTEM CONTROL.
LC 75342 => SOUND PROCESSOR.
LA 76810B => VIDEO CHROMA JUNGLE.
LA 7840 => VERTICAL OUTPUT.
7805BT => 5V REGULATOR.
LA 4277 => AUDIO OUTPUT.
HTS-2103S => LINE OUTPUT TRANSOFRMER
24C16 => MAIN SYSTEM MEMORY.
TRANSISTORS IN POWER SUPPLY REGULATOR.
To enter into service mode:
* Press Vol (-) button till volume to (00) [Minimum].
* Press "REP" on the remote control once and loosen it.
* Keep pressing Vol+/Vol(-) on the TV unit, and press "REP" on the remote control. The screen will display Factory Status.
* To exit from service mode:
When preset the "Set-Up" status using the above method, repeat the above three to exit.
* To call an item to adjust, press Ch+ & Ch(-) buttons on the remote control.
* To adjust the data value to selected item, use Vol+ & Vol (-) button on the remote control.
BLACK & WHITE BALANCE DATA CHART.
OSD
|
DATA
|
OSD
|
DATA
|
S-BRI
|
70
|
R-DRV
|
60
|
C,B/W
|
0
|
B-BIA
|
13
|
B-DRV
|
60
|
G-BIA
|
102
|
G-DRV
|
8
|
R-BIA
|
16
|
PRESET STAUS
ITEM
|
OSD
|
FULL NAME
|
DATA
|
00
|
H-PHASE
|
HORIZONTAL PHASE
|
10
|
01
|
NT.H PHASE
|
HORIZONTAL PHASE FOR NTSC STANDARD
|
13
|
02
|
H.BLK-LEFT
|
HORIZONTAL BLANKING - LEFT
|
4
|
03
|
V.BLAK-RIGHT
|
HORIZONTAL BLANKING - RIGHT
|
5
|
04
|
V-SIZE
|
VERTICAL SIZE
|
83
|
05
|
V-LIN
|
VERTICAL LENEARITY
|
10
|
06
|
V-POSI
|
VERTICAL POSITION
|
0
|
07
|
V-SC
|
VERTICAL S-CORRECTION
|
5
|
08
|
NT-V-SIZE
|
VERTICAL SIZE FOR NTSC STANDARD
|
10
|
09
|
NT-V-LINE
|
VERTICAL LINEARITY FOR NTSC STANDARD
|
10
|
10
|
NT-V-POS
|
VERTICAL POSITON FOR NTSC STANDARD
|
6
|
11
|
NT-V-SC
|
VERTICAL S-CORRECTION FOR NTSC STANDARD
|
5
|
12
|
RF-AGC
|
AGC ADJUSTMENT FOR RF
|
36
|
13
|
VOL-OUT
|
VOLUME OUTPUT
|
110
|
14
|
SUB-CONT
|
SUB CONTRAST ADJUSTMENT
|
31
|
15
|
SUB-COL
|
SUB-COLOR ADJUSTMENT
|
32
|
16
|
S-SHARP
|
SUB-SHARPNESS ADJUSTMENT
|
0
|
17
|
SUB-TINT
|
CUB-TINT ADJUSTMENT
|
32
|
18
|
OSD-CONT
|
ON-SCREEN DISPLAY CONTRAST
|
70
|
19
|
OSD-H-POS
|
OSD HORIZONTAL POSITION
|
20
|
20
|
OSD-V-POS
|
OSD VERTICAL POSITION
|
20
|
