LG 47LM6400 Service Manual page 71

FOR COMMERCIAL 12V OUT RS-232C 9 PIN
(OPT:COMMER_EXT_12V)
COMMERCIAL_12V_CTL
FOR 12V CONTROL (FROM MICOM)
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R7001
100
IC7000
MP5000DQ
GND SOURCE_5
1 10
C7000
470pF
DV/DT SOURCE_4
50V 2 9
R7000
ENABLE/FAULT SOURCE_3
1K
3 8
I-LIMIT SOURCE_2
4 7
NC SOURCE_1
5 6
11
+12V
VCC
C7001
C7002
1uF
22uF
25V
25V
AUDIO OUT JACK
(OPT:COMMER_EXT_AMP)
SPK_L_OUT_COMMERCIAL
C7006
10uF
16V
SPK_R_OUT_COMMERCIAL
C7007
10uF
16V
+3.5V_ST
12V_COMMERCIAL_OUT
R7006
10K
L7000
BLM18PG121SN1D
12V_EXT_PWR_DET
C7003 C7004
0.1uF R7004
22uF
50V 100K
25V
C
Q7001
B MMBT3904(NXP)
E
R7005
22K
COMMER_EXT_AMP_JACK
JK7000
KJA-PH-0-0177
GND 5
L 4
D7000 DETECT 3
5.6V
R 1
D7001
EAG61030001
5.6V
FOR COMMERCIAL AUDIO OUT
(OPT:COMMER_EXT_AMP)
+24V
L7001
BLM18PG121SN1D
C7005
0.1uF 50V
AUDIO_L_OUT_COMMERCIAL
AUDIO_R_OUT_COMMERCIAL
EXT_AMP_RESET
FOR AMP RESET (MAIN SOC)
EXT_AMP_MUTE
SPK_L_OUT_COMMERCIAL
PATTERN SHOULD BE CONSIDERED (MAX 3W)
SPK_R_OUT_COMMERCIAL
COMMERCIAL_OPTION
P7000
12507WR-12L
1
2
3
4
5
6
7
8
9
10
11
12
13
2011.11.21
70
LGE Internal Use Only