Read LG 32LD660 / 32LD665H (CHASSIS:LA05C) Service Manual online
0 . 1 u F
50V
50V
C314
SPK_R+
AB24
SPK_R-
AI21
+3.3V
0 . 1 u F
50V
C318
SPK_R+
AI22
SPK_L+
AI23
3.3K
R301
SPK_L-
AI22
+1.8V_AMP
SPK_L-
AB27
SPK_R-
AB22
+1.8V_AMP
+24V
+24V
SPK_L+
AB29
0 . 1 u F
50V
50V
C319
10uF
6.3V
C306
OPT
0 . 1 u F
50V
C330
+1.8V_AMP
0 . 1 u F
50V
C329
0 . 0 1 u F
50V
C322
I2S_WORD_CLK
11:V25
SDA1
9 : A L 1 5 ; 8 : S 1 5 ; 1 5 : U 1 9 ;
1 8 : J 2 4
I2S_SDATA
11:W25
I2S_BIT_CLK
11:W25
SCL1
9 : A L 1 5 ; 8 : S 1 6 ; 1 5 : U 1 9 ;
1 8 : J 2 5
AUDIO_MAIN_CLK
9 : A B 2 6 ; 9 : A J 2 4
33pF
50V
50V
C309
33pF
50V
50V
C310
33pF
50V
50V
OPT
C344
4.7K
R327
4.7K
R325
0 . 1 u F
16V
C305
0 . 1 u F
16V
C307
0
R300
0
R353
1000pF
50V
C300
0 . 1 u F
16V
C343
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.
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.
0 . 0 1 u F
50V
50V
C313
0 . 1 u F
50V
50V
C323
0
R354
/POWER_DET
9 : C 2 6 ; 9 : A J 2 6 ; 5 : T 8
+1.8V_AMP
+D_1.8V
SPDIF_OUT
11:U19
+3.3V
1K
R326
0 . 1 u F
C365
JP300
JP301
JP302
JP303
100
R306
100
R305
SMAW250-H04R
P300
1
R ( - )
2
R ( + )
3
L ( - )
4
L ( + )
100
R362
/AUDIO_RESET
9 : A I 9 ; 9 : A J 2 6
4.7K
R317
4.7K
R310
10uF
35V
35V
C324
BLM18PG121SN1D
L310
BLM18PG121SN1D
L308
BLM18PG121SN1D
L309
10uF
35V
35V
C341
12
R303
12
R309
12
R308
12
R302
390pF
50V
C317
390pF
50V
C316
12
R304
12
R307
12
R321
12
R320
390pF
50V
C326
390pF
50V
C327
THERMAL
NTP-7100
IC301
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
DGND_1
6
GND_IO
7
CLK_I
8
VDD_IO
9
DGND_PLL
10
AGND_PLL
11
LF
12
AVDD_PLL
13
DVDD_PLL
14
GND
15
DGND_2
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
MONITOR0
23
MONITOR1
24
MONITOR2
25
/FAULT
26
VDR2B
27
BST2B
28
PGND2B_1
29
PGND2B_2
30
OUT2B_1
31
OUT2B_2
32
PVDD2B_1
33
PVDD2B_2
34
PVDD2A_1
35
PVDD2A_2
36
OUT2A_1
37
OUT2A_2
38
PGND2A_1
39
PGND2A_2
40
BST2A
41
VDR2A
42
NC
43
VDR1B
44
BST1B
45
PGND1B_1
46
PGND1B_2
47
OUT1B_1
48
OUT1B_2
49
PVDD1B_1
50
PVDD1B_2
51
PVDD1A_1
52
PVDD1A_2
53
OUT1A_1
54
OUT1A_2
55
PGND1A_1
56
PGND1A_2
57
EP_PAD
Fiber Optic
2F01TC1-CLM97-4F
JK300
3
VIN
2
VCC
1
GND
4
SHIELD
10.0uH
L306
10.0uH
L314
10.0uH
L307
10.0uH
L313
0 . 4 7 u F
50V
C328
0 . 4 7 u F
50V
C334
0 . 1 u F
C303
1000pF
50V
C302
100pF
50V
C301
10uF
6.3V
C308
OPT
10uF
6.3V
C304
OPT
1uF
6.3V
C311
1uF
6.3V
C335
1uF
6.3V
C337
1uF
6.3V
C340
2200pF
50V
C312
2200pF
50V
C339
2200pF
50V
C336
2200pF
50V
C338
BLM18PG121SN1D
L300
0 . 1 u F
16V
16V
OPT
C331
1uF
C325
4.7K
R366
+5V_DEVICE
BLM18PG121SN1D
L311
15pF
50V
C364
24K
R316
OPT
220uF
16V
16V
C320
AP1117EG-13
IC302
ADJ/GND
OUT
IN
0
R312
0 . 1 u F
C361
0 . 1 u F
50V
50V
C315
47K
R365
10uF
10V
10V
C332
AUD_LOUT-
11:U22
220uF
16V
16V
C321
4.7K
R367
0 . 1 u F
16V
16V
C367
AUD_LOUT+
11:U22
0
R356
10K
R364
+5V_EXT
+12V
1uF
16V
16V
C356
OPT
1.5K
R311
AMP_MUTE
4 : C 1 4
110
R314
+5V_DEVICE
SPEAK_OUT_L-
17:Y27
1.5K
R355
SPEAK_OUT_L+
17:Y26
15
R363
1
5%
R315
15
R334
330
R313
R313
15pF
50V
50V
C368
+5V_EXT
1uF
C363
THERMAL
TS4962
IC300
3
IN+
2
NC
4
I N -
1
STBY
5
OUT+
6
VCC
7
GND
8
OUT-
9
[EP]GND
SPEAKER_L
SPEAKER_R
SPDIF OUT
MCLK SDATA WCK BCK TP is necessory
PWM AUDIO AMP
I 2 C : 0 x 5 4
3
AUDIO
18
32/37/42LD660H
2 0 1 0 . 1 2 . 1 3
C l o s e t o I C
EXTERNAL SPK OUT
C470 Close to LDO
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