Connection Circuit Diagram - LG DP381B Service Manual

3. CONNECTION CIRCUIT DIAGRAM

L10
300 Ohm FB
CPH1
PWRCTL_LCD
VCOMO
OEH
LNR
OEV
UND
CKV
STVL
STVR
K2
L15
100Ohm FB
BAT_9V BL_POWER
5VA
L16 NC
STHL STHR CPH
C47 C114 C122
100PF 100PF 220PF
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Only for training and service purposes
CON1
5V
1
IR
2
3.3V
3
3.3V
4
5
SP_L+
6
SP_L-
7
8
SP_R+
9
SP_R-
10
11
STHL
12
STHR
13
CPH
14
15
89P_R 89P_B
16
89P_R
17
89P_B C52
18
89P_G 100PF
19
LED_CTR
20
20pin/0.8mm
CON2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
LNR
16
17
C129
18
100PF
18pin/0.8mm
STVR CKV STVL OEV OEH
C127 C126 C125 C124 C123
100PF 100PF 100PF 100PF 100PF
OFF-PAGE CONNECTION
SP_L-
SP_L+
SP_R-
SP_R+
GND
STVR
STVL
CKV
UND
OEV
89P_G
LNR
OEH
C54 C62
STHL
100PF 100PF
STHR
K2
CPH1
VCOMO
89P_R
89P_G
89P_B
BAT_9V
PWRCTL_LCD
PANEL T-CON I/F
IR
5V
3.3V
LED_CTR
5VA
UND
C128
100PF
VCOMO
C121
100PF
3-31 3-32
SP_L- 1
SP_L+ 1
SP_R- 1
SP_R+ 1
GND 1,3,4,5,6
STVR 5
STVL 5
CKV 5
UND 5
OEV 5
LNR 5
OEH 5
STHL 5
STHR 5
K2 1,4,5
CPH1 5
VCOMO 5
89P_R 5
89P_G 5
89P_B 5
BAT_9V 1,3,4
PWRCTL_LCD 5
IR 4,5
5V 1,2,3
3.3V 1,3,5,6
LED_CTR 2
5VA 4,5
CONNECTION
Monday, March 03, 2008
LGE Internal Use Only