LG 32LY340C, Service Manual

Page: 30 / 37

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
3.3K
HEAD_PHONE_POP
R3001
KJA-PH-0-0177
JK3000
HEAD_PHONE_OLD
3 DETECT
4 L
5 GND
1 R
+3.3V_Normal
10K
HEAD_PHONE
R3005
1000pF
50V
OPT
C3003
HP_LOUT
HP_DET
+3.5V_ST
HP_ROUT
1K
HEAD_PHONE
R3002
1000pF
50V
OPT
C3002
1K
HEAD_PHONE
R3003
MMBT3904(NXP)
HEAD_PHONE_POP
Q3002
E
B
C
MMBT3904(NXP)
HEAD_PHONE_POP
Q3003
E
B
C
MMBT3904(NXP)
HEAD_PHONE_POP
Q3005
E
B
C
MMBT3904(NXP)
HEAD_PHONE_POP
Q3004
E
B
C
MMBT3906(NXP)
HEAD_PHONE_POP
Q3001
E
B
C
MMBT3904(NXP)
HEAD_PHONE_POP
Q3000
E
B
C
1K
R3000
HEAD_PHONE_POP
0 . 4 7 u F
50V
EXT_SPK_470nF
C3018
0 . 1 u F
50V
OPT
C3014
10K
EXT_SPK
R3013
5.6V
VA3000
ESD_EXT_SPK
0 . 4 7 u F
50V
EXT_SPK_470nF
C3019
P E J 0 3 4 - 0 1
EXT_SPK
JK3001
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
3
E_SPRING
0 . 4 7 u F
50V
EXT_SPK_470nF
C3016
1uF
50V
EXT_SPK
C3009
+3.3V_Normal
EXT_OUT_L
EXT_SPK_DET
HP_DET
4.7K
EXT_SPK
R3019
1uF
50V
EXT_SPK
C3008
10K
OPT
R3015
10K
EXT_SPK
R3021
47uF
25V
EXT_SPK
C3020
1uF
10V
EXT_SPK
C3006
0 . 1 u F
50V
EXT_SPK
C3011
EXT_OUT_L
10K
EXT_SPK
R3022
1uF
10V
EXT_SPK C3007
0 . 2 2 u F
50V
EXT_SPK
C3013
47uF
25V
EXT_SPK
C3021
UBW2012-121F
L3002
0 . 4 7 u F
50V
EXT_SPK_470nF
C3017
HP_LOUT
4.7K
EXT_SPK
R3020
HP_MUTE
+24V
10K
OPT
R3018
EXT_OUT_R
0 . 2 2 u F
50V
EXT_SPK
C3012
HP_ROUT
10K
EXT_SPK
R3017
TPA3124D2PWPR
EXT_SPK
IC3000
3
PVCCL_2
2
SD
4
MUTE
1
PVCCL_1
6
RIN
5
LIN
7
BYPASS
8
AGND_1
9
AGND_2
10
PVCCR_1
11
VCLAMP
12
PVCCR_2
13
PGNDR_1
14
PGNDR_2
15
ROUT
16
BSR
17
GAIN1
18
GAIN0
19
AVCC_1
20
AVCC_2
21
BSL
22
LOUT
23
PGNDL_1
24
PGNDL_2
EXT_OUT_R
10K
EXT_SPK
R3016
0 . 1 u F
50V
EXT_SPK
C3010
0 . 1 u F
50V
EXT_SPK
C3026
EXT_SPK_DET
10uF
35V
EXT_SPK
C3015
MMBT3904(NXP)
HEAD_PHONE
Q3006
E
B
C
47K
R3006
HEAD_PHONE
+3.3V_Normal
10K
R3014
OPT
0 . 2 2 u F
50V
C3016-*1
EXT_SPK_220nF
0 . 2 2 u F
50V
EXT_SPK_220nF
C3017-*1
0 . 2 2 u F
50V
EXT_SPK_220nF
C3018-*1
0 . 2 2 u F
50V
EXT_SPK_220nF
C3019-*1
HP_MUTE
5.6V
VA3001
OPT
22.0uH
EXT_COIL_22UH
L3004
22.0uH
EXT_COIL_22UH
L3005
15K
EXT_SPK
R3029
1uF
10V
OPT
C3024
1uF
10V
OPT
C3025
10uF
10V
HEAD_PHONE
C3000
10uF
10V
HEAD_PHONE
C3001
10uH
EXT_COIL_10UH_ABCO
L3004-*1
10.0uH
EXT_COIL_10UH_TAIYO
L3004-*2
10uH
EXT_COIL_10UH_ABCO
L3005-*1
10.0uH
EXT_COIL_10UH_TAIYO
L3005-*2
PEJ038-3B6
JK3000-*1
HEAD_PHONE_NEW
3 DETECT
4 L
5 GND
1 R
Headphone
EXT_SPEAKER
EXT SPK AMP
C l o s e t o P i n 3
C l o s e t o P i n 1
C l o s e t o A M P I C
C l o s e t o A M P I C
C l o s e t o P i n 1 9 , 2 0
C l o s e t o P i n 1 0
P
GAIN1
0
20dB
36dB
GAIN0
1
1
0
1
0
1
AMP GAIN
0
26dB
32dB
S e l e t o n l y t h i s
2 0 1 3 . 0 4 . 2 9
EXT SPK/HEADPHONE 1 o f 1 6
NC5_M1A
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