LG 32LG3DCH (CHASSIS:LA76B) Service Manual ▷ View online
18pF 50V
C405
100
R440
SIFM0
001:D14
2.2K
R400
IF_P
004:W16
0.1uF
50V
C408
+3.3V_AVDD
12K
OPT
R412
2SC3875S
OPT
Q401
E
B
C
OPT
R406
22pF 50V
C439
100
AR437
VROA
004:Y20
+3.3V_PVSB
1000pF
50V
C404
100
R445
0
R415
SCL_TU
004:W14
TS[0-7]
010:J19
100
R4
34
22pF
50V
C440
100
R410
+5V_TUNER
007:I7
MSCL
001:T7;001:AE21;004:N18;005:D4;010:C15
1K
R428
IF_N
004:W15
33uF
1
0
V
OPT
C407
0.1uF
C418
47K
R446
+5V_ST
IF_AGC
004:W13
MSDA
001:T7;001:AE20;004:N17;005:D4;010:C14
470
OPT
R416
1K
R427
470
R431
PV
100
OPT
R417
10K
R403
+3.3V_DVDD
+3.3V_PVSB
004:P27;007:AL11
VSB_RESET
001:Y8;010:P27
TS_SYNC
004:AI4;010:N19
510
R419
OPT
0.1uF
C425
100
R430
SDA_TU
004:W14
IF_N
004:N15
+3.3V_AVDD
1K
R426
TS_VALID
004:AJ4;010:N19
1uF 25V
C441
100
R409
TS_CLK
004:AI4;010:N20
VRMA
004:AA16
VRPA
004:AD19
0.01uF
50V
C409
0.01uF
C419
SDA_TU
004:N17
VRPA
004:Y19
18pF
50V
C403
100
OPT
R438
100
AR436
510
R420
OPT
MLI-201209-6R8K
OPT
L403
VROA
004:AA16
0
R401
10K
OPT
R413
4.7K
R405
1/10W
12K
5%
R402
100
OPT
R435
+3.3V_AVDD
004:W20;004:AI21;004:AI19
0.1uF 50V
C411
100
R444
47
R411
+5V_TU
+3.3V_DVDD
4.7K
R407
100
R425
OPT
LGDT3304
IC400
1
VR0A
2
VRMA
3
VINA2
4
VINA1
5
INCAP
6
VSSAAD10A
7
I2CSEL
8
VSS_1
9
ANTCON
10
VDD_1
11
I2CRPT_SCL
12
VDD33_1
13
I2CRPT_SDA
14
VSS33_1
15
IFOUT
16
RFOUT
17
TPERR
18
VDD33_2
19
TPVALID
20
TPDATA[0]
21
VSS33_2
22
TPDATA[1]
23
VSS_2
24
TPDATA[2]
25
VDD_2
26
TPDATA[3]
27
TPDATA[4]
28
TPDATA[5]
29
TPDATA[6]
30
VDD33_3
31
TPDATA[7]
32
VSS33_3
33
TPCLK
34
TPSOP
35
NIRQ
36
SDA
37
VDD33_4
38
SCL
39
VSS_3
40
TDO
41
VDD_3
42
TRST
43
VSS33_4
44
TCK
45
TDI
46
PLLAVDD
47
PLLAVSS
48
TMS
49
NRST
50
OPM
51
VDD33_5
52
SLIM_SCAN
53
VSS33_5
54
XTALI
55
XTALO
56
VSS_4
57
XM
58
VDD_4
59
VSSDAD10
60
VCCDAD10
61
VCCAAD10A
62
TAVDD
63
TAVSS
64
VRPA
0
R422
0.1uF
50V
C401
0.01uF
50V
C400
OPT
R414
SCL_TU
004:N17
+1.2V_PVSB
007:AO7
IF_P
004:N15
IF_AGC
004:N14
0.047uF 50V
C412
LD400
PV
TUNER_CVBS
001:D15
25MHz
X400
+1.2V_DVDD
004:AC19
1M
R433
5.1K
R423
SIF
001:D14
+3.3V_DVDD
004:S26;004:AC19
MLI-201209-6R8K
L402
100
OPT
R432
+5V_TU
VCOM0
001:D15
100
R442
0.01uF
C420
33uF
10V
C402
+5V_TU
004:K19;004:M14;004:O11
+3.3V_AVDD
+5V_TU
+1.2V_DVDD
VRMA
004:Y18
470
R408
+5V_ST
0
R421
510
R418
OPT
100
R441
0.047uF
C422
1N4148W D401
3216
10uF
16V
C426
3216
10uF
16V
C431
3216
10uF
16V
C413
0.1uF
C424
2.2uF
16V
C410
2.2uF 16V
C421
2.2uF
16V
C423
TS_VALID
TS_SYNC
TS_CLK
27pF
C433
27pF
C435
MSDA
001:T7;001:AE20;004:AL14;005:D4;010:C14
MSCL
001:T7;001:AE21;004:AL14;005:D4;010:C15
100
OPT
R447
100
OPT
R448
4.7K
R443
4.7K
R439
0
5%
1/4W
R429
24pF
C406
10K
R404
0
R449
0.47uH
L407
10%
1uF
10V
C415
1uF
10V
C417
1uF
10V
C414
1uF
10V
C416
1uF
10V
C430
1uF
10V
C427
1uF
10V
C429
1uF
10V
C428
1uF
10V
C437
1uF
10V
C434
1uF
10V
C432
1uF
10V
C436
1uF
10V
C438
47
R424
OPT
AFT
/TS_ERROR
010:N19
100
R450
100
OPT
R451
SYS_RESET
001:Q9;010:P27
18pF
50V
C442
OPT
2SA1530A-T112-1R
Q400
E
B
C
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.
500-ohm
L400
500-ohm
L406
500-ohm
L401
500-ohm
L405
TDVF-H071P
EBL37676804
TU400
14
SIF
13
AUDIO_OUT
5
NC_2
12
IF_AGC
11
DIGITAL_IF2
2
RF_AGC
10
DIGITAL_IF1
4
VTU
1
NC_1
9
AS
8
SCL
3
+B[5V]
16
VIDEO_OUT
7
SDA
6
GND
15
IF_AS
17
SHIELD
TS[5]
TS[3]
TS[1]
TS[6]
TS[2]
TS[4]
TS[7]
TS[0]
Analog input
TUNER B+ BLOCK
VSB +1.0V B+ BLOCK
VSB +3.3V B+ BLOCK
Tuner/Demodulator
2008.3.14
4 12
JTAG
32LG3DCH
TUNER
LGDT3304
R_SOUND_P
005:AC8
1000pF
50V
C558
1000pF
50V
C557
R_SOUND_N
005:AC11
1000pF
50V
C562
L_SOUND_P
005:AC13
L_SOUND_N
005:AC15
1000pF
50V
C559
R_SOUND+
012:E20
R_SOUND-
012:E18
L_SOUND+
012:E18
L_SOUND-
012:E18
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.
TPA6011A4PWPRG4
IC501
3
PVDD_1
2
ROUT-
4
RHPIN
1
PGND_1
6
RIN
5
RLINEIN
7
VDD
8
LIN
9
LLINEIN
10
LHPIN
11
PVDD_2
12
LOUT-
13
PGND_2
14
LOUT+
15
SHUTDOWN
16
FADE
17
BYPASS
18
AGND
19
SEMAX
20
SEDIFF
21
VOLUME
22
HP/LINE
23
SE/BTL
24
ROUT+
2SC3875S
Q502
E
B
C
+5V_GENERAL
0.1uF
C544
10uF
16V
C541
6.8K
R549
R549
OPT
3.3K
R546
1uF
10V
C538
1K
R541
R541
10K
R539
R539
1.6K
R543
390
R542
R542
C534
OPT
10uF
6.3V
C523
15pF
50V
C521
EXT_SPK
001:I8
EXT_SPK_L+
005:AM15
1K
R548
R548
1K
R544
R544
EXT_SPK_L-
005:AM15
100
R545
PEJ024-01
JK500
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
1uF
10V
C510
OPT
1uF
10V
C512
OPT
0
R537
0
R538
EXT_SPK_L+
005:M21
EXT_SPK_L-
005:F20
NTP3000A
IC500
1
BST1A
2
VDR1A
3
/RESET
4
AD
5
VSS_IO
6
CLK_I
7
CLK_O
8
VDD_IO
9
DGNDPLL
10
AGNDPLL
11
LFM
12
AVDDPLL
13
DVDDPLL
14
NC_1
15
DVSS
16
DVDD
17
SDATA
18
WCK
19
BCK
20
SDA
21
SCL
22
PWM_3B/PWM_HP2
23
PWM_3A/PWM_HP1
24
PROTECT
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_2
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
AMP_RST
001:Q9
100
R501
1000pF
50V
C505
1uF
16V
C519
1uF
1
0
V
C513
22000pF
50V
C515
I2S_MCLK
001:P7
+3.3V_PRO
0.1uF
50V
C508
+1.8V_AMP
0
OPT
R502
100pF
50V
C503
1000pF
50V
C507
3.3K
R506
0
R500
R500
MLB-201209-0120P-N2
L517
+1.8V_AMP
MLB-201209-0120P-N2
L516
+1.8V_AMP
0.1uF
50V
C501
0.1uF
50V
C504
+16V_AMP
3.3
R508
0.01uF
50V
C516
0.1uF
50V
C520
0.1uF
50V
C525
0.1uF
50V
C527
22000pF
50V
C518
DA-8580
L519
2S
1S
1F
2F
DA-8580
L518
2S
1S
1F
2F
+16V_AMP
1000pF
50V
OPT
C530
5.6
OPT
R513
1N4148W
100V
D501
1N4148W
100V
D502
1000pF
50V
C536
1000pF
50V
C537
5.6
R516
5.6
R517
+16V_AMP
1000pF
50V
OPT
C529
5.6
OPT
R512
1uF
1
6
V
C524
1000pF
50V
C540
1N4148W
100V
D504
5.6
R519
5.6
R518
1000pF
50V
C539
1N4148W
100V
D503
22000pF
5
0
V
C526
1000pF
50V
OPT
C532
5.6
OPT
R515
+16V_AMP
5.6
OPT
R514
1000pF
50V
OPT
C531
+16V_AMP
+16V_AMP
0.1uF
50V
C533
0.1uF
50V
C528
22000pF
5
0
V
C522
1uF
10V
C517
+1.8V_AMP
0.1uF
50V
C514
ACD_RST
001:J10;001:AF7;007:O25;009:X26
0
OPT R510
33K
OPT
R509
120K
OPT
R507
+16V_AMP
DATA
001:P7
LRCLK
001:P7
SCLK
001:P7
MSDA
001:T7;001:AE20;004:N17;004:AL14;010:C14
MSCL
001:T7;001:AE21;004:N18;004:AL14;010:C15
1
0
0
R
504
100
R
5
0
3
33pF
50V
OPT
C509
33pF
50V
OPT
C511
0.47uF
50V
C542
0.1uF
50V
C545
0.1uF
50V
C546
4.7K
R520
4.7K
R521
0.01uF
50V
C550
0.01uF
50V
C551
3.3
R524
3.3
R525
3.3
R527
0.1uF
50V
C548
4.7K
R522
4.7K
R523
0.01uF
50V
C552
0.1uF
50V
C547
3.3
R526
0.01uF
50V
C553
0.47uF
50V
C543
10uF
16V
C502
10uF
16V
C500
+3.3V_PRO
47K
R505
D500
1uF
25V
C506
TPA6110A2DGNRG4
IC502
3
SHUTDOWN
2
GND
4
IN2-
1
BYPASS
5
VO2
6
VDD
7
VO1
8
IN1-
+5V_GENERAL
10uF
16V
C564
0.1uF
50V
C561
HP_L_OUT
012:R4
1K
R535
100pF
50V
C568
HP_R_OUT
012:R7
1K
R534
100pF
50V
C567
HP_R
001:I7
HP_L
001:I7
9.1K
R533
13K
R532
100pF
50V
C560
9.1K
R529
13K
R531
100pF
50V
C556
2.2uF
16V
C555
R530
OPT
4.7K
R552
100
R550
2SC3875S
Q504
E
B
C
OPT
R551
MUTE
001:Q5;009:AI34
KDS181
D505
+5V_GENERAL
4.7K
R553
0
R554
3K
R540
R540
2SA1530A-T112-1R
Q503
E
B
C
L_SOUND_P
005:AH8
L_SOUND_N
005:AH7
R_SOUND_P
005:AH9
R_SOUND_N
005:AH8
500-ohm
L511
500-ohm
L505
MBW3216-501TF
L520
500-ohm
L503
500-ohm
L506
500-ohm
L510
500-ohm
L512
500-ohm
L509
500-ohm
L504
MBW3216-501TF
L515
100uF
16V
C566
100uF
16V
C565
1uF
25V
C563
1uF
25V
25V
C554
330uF
25V
C535
100
R547
9.1K
R555
2SC3052
Q1910
E
B
C
4.7K
R556
2SA1530A-T112-1R
Q1911
E
B
C
KDS181
D506
4.7K
R557
1N4148W
100V
D507
1N4148W
100V
D509
150
R558
+5V_GENERAL
1/10W
0
5%
R561
1K
R560
100K
R559
1N4148W
100V
D508
R2145
OPT
R2146
OPT
100uF
16V
C570
2.2uF
50V
C569
OPT
+5V_ST
1/10W
0
5%
R566
OPT
10K
R567
OPT
R567
OPT
SUB_MUTE
001:J10;005:P25;009:AI33
HP_MUTE
001:J5;009:AI32;012:N6
R569
OPT
R568
OPT
0
R570
R571
OPT
R572
OPT
SUB_MUTE
001:J10;005:V20;009:AI33
+5V_GENERAL
1uF
50V
C549
AMP
2008.3.14
5 12
32LG3DCH
EXTERNAL SPEAKER OUT JACK
EXTERNAL SPEAKER OUT AMP
HEAD PHONE OUT AMP
MAIN SPEAKER DIGITAL AMP
MUTE
NORMAL
NORMAL
MUTE
NORMAL
MUTE
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.
75
R648
CDS3C05GTA
5.6V
OPT
D619
10K
R636
CDS3C05GTA
5.6V
OPT
D613
CDS3C05GTA
5.6V
OPT
D607
COMP_Y
001:C19
100pF
50V
C602
COMP_Pr
001:C18
COMP_Pb
001:C19
AV1_L
001:D13
75
R601
75
R604
DSUB_VSYNC
001:D21
DSUB_HSYNC
001:D21
22pF
50V
C612
AT24C02BN-10SU-1.8
IC600
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
75
R602
22pF
50V
C611
OPT
C613
+5V_ST
75
R610
0
R659
DDC_CTL
001:K10;008:N6
100pF
50V
C608
100
R661
PPJ209-02
JK601
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2
B
[BL]1P_CAN
5
B
[BL]C_LUG_L
2
C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2
E
[RD]1P_CAN2
4
E
[RD]CONTACT
3
E
[RD]O_SPRING
22
R617
470K
R607
22
R623
22
R640
470K
R606
CDS3C05GTA
5.6V
OPT
D621
CDS3C05GTA
5.6V
OPT
D603
0.1uF
50V
C616
100pF
50V
C607
22
R616
PEJ024-01
JK604
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
470K
R608
KDS184
D620
A2
C
A1
10K
R646
COMP_R_IN_1
001:D13
100pF
50V
C601
SVIDEO_Y
001:D17
22
R641
100pF
OPT
C605
CDS3C05GTA
5.6V
OPT
D608
DSUB_AU_R
001:D12
SVIDEO_C
001:D17
100pF
50V
C600
10K
R654
75
R647
22
R642
COMP_L_IN_1
001:D13
SVIDEO_SW
001:O8
CDS3C05GTA
5.6V
OPT
D612
DSUB_R
001:C19
DDC_SCL/UART_RX
001:R7
100pF
OPT
C606
22
R622
470K
R633
1K
R611
470K
R634
DSUB_AU_L
001:D13
75
R645
18pF
50V
C617
18pF
50V
C619
75
R603
DSUB_G
001:C20
OPT
C614
22
R615
OPT
C615
DSUB_B
001:C20
DDC_SDA/UART_TX
001:R7
100
R631
100
R632
30V
OPT
D610
CDS3C30GTH
30V OPT
D609
CDS3C30GTH
30V
OPT
D601
CDS3C30GTH
30V
OPT
D605
CDS3C30GTH
30V
OPT
D606
CDS3C30GTH
30V
OPT
D604
CDS3C30GTH
30V
D616
CDS3C30GTH
30V
D618
CDS3C30GTH
30V
D617
CDS3C30GTH
30V
D615
30V
D614
4.7K
R652
4.7K
R650
22
R653
22
R656
7.5K
R638
7.5K
R639
3.9K
R643
3.9K
R644
SIDE_CVBS
001:D16
S_L
001:D12
S_R
001:D12
CDS3C05GTA
5.6V
OPT
D627
100pF
50V
C624
CDS3C05GTA
5.6V
OPT
D626
100pF
50V
C623
CDS3C05GTA
5.6V
OPT
D623
22
R664
100pF
50V
C625
SIDEAV_SW
009:X26
+5V_GENERAL
100K
R2105
R2105
+5V_GENERAL
75
R671
R671
4.7K
R2107
1K
R672
JK600
4A
[YL]CONTACT
2A
[YL]1P_CAN
3A
[YL]0_SPRING
2
B
[WH]1P_CAN
5
B
[WH]C_LUG_L
2
C
[RD]1P_CAN
4
C
[RD]CONTACT
3
C
[RD]0_SPRING
6
[S-VHS]GROUND_TER
7A
[S-VHS]C_LUG_L1
7
B
[S-VHS]C_LUG_L2
7
C
[S-VHS]C_LUG_L3
7D
[S-VHS]C_LUG_L4
8
[S-VHS]0_SPRING
100pF
OPT
C604
AV1_CVBS
001:D16
CDS3C30GTH
30V
OPT
D600
22
R612
75
R600
470K
R609
AV1_R
001:D13
CDS3C05GTA
5.6V
OPT
D602
100pF
50V
C603
PPJ218-01
JK606
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
470K
R663
R663
470K
R662
R662
2SC3875S
Q600
E
B
C
22
R676
1K
R675
10K
R673
10K
R674
0
R626
OPT
+5V_GENERAL
BG2012B080TF
L600
BG2012B080TF
L602
BG2012B080TF
L609
BG2012B080TF
L608
BG2012B080TF
L1210
BG2012B080TF
L607
BG2012B080TF
L601
A03-7071-094
JK605
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
10uF
C626
10K
R620
1/10W
10K
5%
R667
10K
R621
10K
R613
10K
R614
1/10W
10K
5%
R668
1/10W
12K
5%
R669
12K
R625
12K
R618
1/10W
12K
5%
R670
12K
R619
12K
R624
Interface
2008.3.14
6 12
PC
32LG3DCH
REAR AV JACK
SIDE AV JACK
COMP JACK
RGB JACK
RGB AUDIO JACK
0.01uF 50V
C780
100uF
16V
C727
0
5%
1/4W
R747
0.1uF
C714
0.1uF
50V
C768
0.01uF 50V
C761
+3.3V_AVDD_MEMPLL
0.01uF 50V
C762
0
5%
1/4W
R748
+1.25V_VDDC
+3.3V_AVDD_ADC
22K
R733
SC4215ISTRT
IC708
3
VIN
2
EN
4
NC_2
1
NC_1
5
NC_3
6
VO
7
ADJ
8
GND
+3.3V_PVSB
004:L27;004:P27
+12V
+3.3V_AVDD_ST
+5V_L
2.2uF
16V
C741
0.1uF
50V
C765
100uF
16V
C767
+3.3V_AVDD_SIF
0.01uF 50V
C770
100uF
16V
C776
402
1%
R741
0.1uF
50V
C763
0.1uF
50V
C794
+3.3V_VDDP_ST
0.1uF
50V
C790
+2.6V
0.1uF
50V
C726
+5V_L
30K
1%
R707
10K
R729
R729
0.1uF
50V
C793
0.01uF 50V
C775
+12V
0.01uF 50V
C721
0.01uF 50V
C781
+2.6V_MVDD
0.1uF
50V
C745
AZ1085S-3.3TR/E1
IC704
1
ADJ/GND
2
OUTPUT
3
INPUT
+5V_L
0.01uF
50V
C743
0.1uF
50V
C751
0
5%
1/4W
R749
+3.3V_AVDD_ADC
100uF
16V
C729
+3.3V_AVDD_DVI
0.1uF
50V
C796
AZ1085S-ADJTR/E1
IC709
1
ADJ/GND
2
OUTPUT
3
INPUT
MP2305DS
IC701
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
0.01uF 50V
C783
470uF
16V
C718
3216
10uF
16V
C740
432
1%
R740
POWER_ONOFF
9.1K
R713
0.1uF
50V
C772
0.1uF
50V
C789
0.01uF 50V
C782
0.1uF
50V
C730
+3.3V_AVDD_OTG
001:I26
3216
0
R735
0.1uF
50V
C759
2SC3875S
Q703
E
B
C
3225
22uF
16V
C712
+3.3V_VDDP
0.01uF 50V
C784
100uF
16V
C748
+3.3V_IR
003:T20
0.01uF 50V
C779
0.1uF
50V
C771
+1.25V_AVDD_DVI
0.1uF
50V
C778
100uF
16V
C737
+3.3V_VDDP_ST
0.01uF 50V
C769
0.1uF
50V
C749
6.8K
1%
R715
AZ1117H-3.3
IC705
2
OUTPUT
3
INPUT
1
ADJ/GND
0.1uF
50V
C792
0.1uF
50V
C766
100uF
16V
C728
+2.6V
0.01uF
50V
C705
0.1uF
50V
C750
AZ1085S-3.3TR/E1
IC703
1
ADJ/GND
2
OUTPUT
3
INPUT
0
5%
1/4W
R746
20K
R728
R728
5600pF
50V
C710
22uH
L700
+5V_ST
10K
R745
R745
2.2uF
16V
C742
100uF
16V
C787
1/10W
100K
5%
R725
OPT
100uF
16V
C746
100uF
16V
C757
0.1uF
50V
C795
+2.6V_VDD_DDR
+3.3V_AVDD_LPLL
+3.3V_AVDD_ST
1K
R706
+3.3V_AVDD_MPLL
PANEL_CTL
001:K5
100uF
25V
C732
SI4925BDY
Q704
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
0.1uF
50V
C791
AZ1117H-3.3
IC706
2
OUTPUT
3
INPUT
1
ADJ/GND
0.1uF
50V
C777
0.1uF
50V
C731
0.1uF
50V
C724
0.1uF
50V
C738
0.01uF 50V
C785
0.1uF
50V
C734
+1.2V_PVSB
004:H27
+3.3V_AVDD_AU
+5V_TUNER
004:B27
0.01uF
50V
C723
+5V_GENERAL
PANEL_POWER
003:B10
2SC3875S
Q702
E
B
C
1N4148W
OPT
D700
100uF
16V
C744
10K
R727
+5V_L
0.1uF
50V
C758
0.1uF
50V
C760
0.1uF
50V
C764
0.1uF
50V
C773
0.1uF
50V
C774
0.1uF
50V
C786
0.1uF
50V
C788
0.1uF
50V
C797
0.1uF
50V
C798
AZ1085S-ADJTR/E1
IC710
1
ADJ/GND
2
OUTPUT
3
INPUT
402
1%
R737
0
5%
R736
0.47uF
50V
C701
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.
+12V
0.1uF
50V
C1710
+5V_ST
10K
R767
+5V_PRO
007:AI14
100uF
16V
C1713
+5V_ST
220uF 16V
C1715
SI4925BDY
Q709
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
+5V_GENERAL
2SC3875S
Q708
E
B
C
POWER_ONOFF
001:X7;001:AA6;007:G8;007:K12
22K
R768
220uF 16V
C1714
0.1uF
50V
C1719
0.1uF
50V
C1717
100uF
16V
C1718
+5V_PRO
AZ1085S-3.3TR/E1
IC711
1
ADJ/GND
2
OUTPUT
3
INPUT
+3.3V_PRO
005:G14;005:H10;007:M7;010:B28
100uF
16V
C1716
2SC3875S
Q710
E
B
C
10K
R770
POWER_ONOFF
001:X7;001:AA6;007:G8;007:W13
+16V
10uF
16V
OPT
C752
+16V_AMP
005:L14;005:M5;005:Q15;005:Q18;005:Q12;005:R10;005:R8
1/10W
0
5%
R772
22K
R771
SI4925BDY
Q711
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
100uF 25V
C754
100uF
25V
C753
47uF
10V
C756
KDS226
D701
A
AC
C
47uF
10V
C739
0.1uF
16V
C725
0.1uF
16V
C755
+1.8V_AMP
005:C10;005:D10;005:F10;005:J6
SC1565IST-1.8
IC707
GND
GND
VO
OUT
VIN
IN
+3.3V_PRO
MBW3216-501TF
L711
MBW3216-501TF
L719
MBW3216-501TF
L715
MBW3216-501TF
L717
MBW3216-501TF
L712
MBW3216-501TF
L716
MBW3216-501TF
L710
NON_32SHARP
MBW3216-501TF
L706
MBW3216-501TF
L704
MBW3216-501TF
L714
MBW3216-501TF
L718
1uF
16V
C735
+5V_ST
+5V_GENERAL
10K
R755
CB4532UK121E
4532
L721
0
26AUO
R710
1uF
25V
C716
32LPL
CB4532UK121E
4532
L722
2SC3875S
Q700
E
B
C
0
R720
PWM_DIM
001:T7
0
R703
+5V_ST
100
R752
1K
R758
10K
R723
+5V_GENERAL
0.47uF
25V
C1702
ACD_RST
001:J10;001:AF7;005:P6;009:X26
100uF
25V
C1703
+12V
007:A16;007:B8;007:F9;009:O14
10K
R717
32LPL
100
OPT
R757
1uF
25V
C717
100
R2097
+16V
007:M14;007:O15
1K
R719
32LPL
100uF
16V
C1701
CB4532UK121E
4532
L720
10K
OPT
R722
0.1uF
50V
C1704
10K
R724
+5V_ST
22K
R2095
0
R753
32COM
INV_CTL
001:K10
2SC3875S
Q707
OPT
E
B
C
+5V_GENERAL
CB4532UK121E
4532
L751
BG2012B080TF
L703
DIMMING_CTL
001:T7
RELAY_PTC
009:AC25
100
R718
0
OPT
R756
100
R2094
OPT
15K
R766
OPT
BG2012B080TF
L702
32LPL
10K
R721
SMAW200-24C
P1201
1
16V
2
16V
3
GND
4
GND
5
12V
6
12V
7
GND
8
GND
9
5VST
10
5VST
11
5VST
12
5VST
13
GND
14
GND
15
GND
16
GND
17
ERR_OUT
18
AC_DET
19
RL_ON
20
INV_ON
21
A_DIN
22
PWM_DIM
23
SELECT
24
SYNC
0
R702
32LPL
0
R704
32COM
1uF
35V
C1705
1uF
35V
C1706
+16V
330uF 25V
C708
+5V_ST
0
R731
47K
R732
47K
R734
22K
R751
2.2K
R769
10K
C711
22K
C715
+5V_ST
220uF 16V
C704
100uF
16V
C703
2.2K
C713
SI4925BDY
Q705
3
S2
2
G1
4
G2
1
S1
5
D
2_1
6
D
2_2
7
D
1_1
8
D
1_2
+5V_ST
2SC3875S
Q701
E
B
C
+5V_L
001:AC22;007:Z26;007:Z24;007:Z29;007:Z20;010:C15;010:D17;010:G17;012:AB13
1K
OPT
C709
MSTAR_POWER_ON
009:AH17
2.2uF
25V
C702
2.2uF
25V
C1712
10K
OPT
R730
0
26AUO
R708
+5V_ST
MBW3216-501TF
32SHARP
L713
R2
V0 = 0.8(R1+R2) / R2
R1
FROM LIPS & POWER B/D
Power
2008.3.14
7 12
32LG3DCH
Click on the first or last page to see other 32LG3DCH (CHASSIS:LA76B) service manuals if exist.