LG 32LH250H Service Manual page 27

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+1.8V_AMP & +24V_AMP
IC601
AZ1117H-1.8TRE1(EH13A)
INPUT ADJ/GND
3 1
2
OUTPUT
C646
C647
22uF
0 . 1 u F
16V
GND
16V
+24V_AUDIO
L602
CB3216PA501E
NTP3100L
+3.3V
R601
008:AB21 100
AMP_RST
C606
1000pF
50V
R603
008:V26
0
AUDIO_MASTER_CLK
C607
C604 1000pF
50V
100pF
50V
C603
C600 C605
C601
10uF 10uF 0 . 1 u F
0 . 1 u F
16V 16V
16V
16V
M s t a r A p p l i c a t i o n
008:V26 MS_LRCH
008:V26 MS_LRCK
008:V26 MS_SCK
0 0 8 : A I 4 ; 0 1 0 : B 8 SDA_SUB/AMP
0 0 8 : A I 4 ; 0 1 0 : B 1 0 SCL_SUB/AMP
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.
AMP
EXTERNAL SPEAKER OUT
E
2SA1530A-T112-1R
Q1104
+1.8V_AMP
B
C
C
B Q1103
EXT_SPK
2SC3875S(ALY)
008:V28
E
C2139
R2227
15pF
1.6K
50V
OPT
C2141
C648 C649
0 . 1 u F
0 . 1 u F 22uF
16V 16V
003:AF24
EXT_SPK_L-
R625
3 . 3
C602
68uF
50V
C619
1uF
16V
BST1A NC
1 42
VDR1A 41 VDR2A
2
SIGN85
RESET BST2A
3 40
AD 39 PGND2A_2
4
DVSS_1 PGND2A_1
5 38
VSS_IO OUT2A_2
6 IC600 37
CLK_I OUT2A_1
7 36
VDD_IO PVDD2A_2
8 35
EAN60664001
DGND_PLL PVDD2A_1
34
9
AGND_PLL PVDD2B_2
10 33
LFM PVDD2B_1
11 NTP-3100L 32
AVDD_PLL OUT2B_2
12 31
DVDD_PLL OUT2B_1
13 30
TEST0 PGND2B_2
14 29
+24V_AMP
C610
10uF
10V
C616
33pF
50V
OPT
C609 C612
33pF 33pF
+3.3V_ST
50V 50V
R611
10K
R610 0
C
R612
B
Q600
2SC3052
OPT 10K
E
C2143 C2144
10uF
0 . 1 u F
16V
IC300
TPA6011A4PWPRG4
PGND_1 ROUT+
1 24
OPT
ROUT- SE/BTL R2235
2 23
PVDD_1 HP/LINE
3 22
R2231
0 R2234
RHPIN VOLUME 3.3K
4 21
RLINEIN SEDIFF
5 20
RIN SEMAX
6 19
R2229
OPT
VDD AGND
7 18
LIN BYPASS
8 17
C2145
LLINEIN FADE
OPT 1uF
9 16
50V
R2230
LHPIN SHUTDOWN
10 15
PVDD_2 LOUT+
11 14
EXT_SPK_L+
LOUT- PGND_2
12 13 003:AF24
L606
D601 DA-8580
100V EAP38319001
OPT
2S 2F
C629
1000pF
50V
1S 1F
C630
1000pF
D602
50V
100V
OPT
L607
DA-8580
D603
EAP38319001
100V
2S 2F
OPT C631
1000pF
50V
1S 1F
C632
1000pF
D604
50V
100V
OPT
R626
3 . 3
C645 C644
C628
0 . 1 u F 0 . 0 1 u F
68uF
50V
50V
POWER_DET
AMP_MUTE
008:C13
+5V_GENERAL
L300
CB3216PA501E
SUB_MUTE
008:AB19;003:AC20
EXT_SPK_L-
0 0 3 : P 2 0
EXT_SPK_L+
003:W20
+5V_GENERAL
4.7K
R2240
R2237
100
R2239
9.1K
C
B
SUB_MUTE
Q1105 008:AB19;003:Z25
E 2SC3052
SPEAKER_L
SPK_L+ 003:AK13
C633
0 . 4 7 u F
50V
SPK_L- 003:AK13
SPEAKER_R
SPK_R+ 003:AK12
C634
0 . 4 7 u F
50V
SPK_R- 003:AK12
8
SHIELD_PLATE
6B
T_TERMINAL2
7B
B_TERMINAL2
5
0 T_SPRING
R2250
4
0 R_SPRING
R2251
7A
B_TERMINAL1
C2148 C2149
6A
1uF 1uF T_TERMINAL1
OPT OPT
10V
10V
3
E_SPRING
PEJ024-01
JK300
WAFER-ANGLE
L608
120-ohm
SPK_L+
003:AD16
4
L609
120-ohm
003:AD14 SPK_L-
3
L611
120-ohm
SIGN88
003:AD12 SPK_R+
2
L610
120-ohm SIGN68
SPK_R-
003:AD9
1
P600
32/37/42 AUO
Audio Amp 3 1 4