Read LG 32LH70YD (CHASSIS:LJ91D) Service Manual online
F
i
b
e
r
O
p
t
i
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.
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.
JK204
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
COMP2_Pr_IN
3:T22
R257
22
22
+3.3V
C205
0.1uF
16V
0.1uF
16V
COMP2_Pb_IN
3:T22
C245
47pF
50V
47pF
50V
AV1_L_IN
3:T18
C220
100pF
DSUB_G
3:T15
R255
4.7K
R212
470K
SIDE_CVBS_IN
3:T19
Q201
2SC3052
2SC3052
US_Commercial
E
B
C
C232
1uF
25V
C228
27pF
50V
+5V_ST
C211
1uF
25V
R254
100
OPT
IC203
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
DDC_SCL
3:T17
+3.3V
C242
0.1uF
R208
470K
470K
R232
1K
+5V_ST
C215
27pF
50V
C247
1uF
25V
RS232C_TxD
3:T12
C219
100pF
R209
470K
470K
SPDIF_OUT
G4;3:T12
RGB_HSYNC
3:T14
C234
27pF
50V
COMP1_Pb_IN
3:T21
R264
1K
C217
47pF
47pF
50V
R256
100
OPT
C202
27pF
50V
COMP2_DET
3:T23
AV1_R_IN
3:T18
C221
100pF
C209
1uF
25V
+3.3V
SIDE_CVBS_DET
3:T19
+3.3V
PC_L_IN
3:T13
C246
1uF
25V
R258
10K
OPT
C249
220pF
50V
C218
100pF
C250
220pF
50V
R
2
5
3
4
.
7
K
JK206
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
EDID_WP
3:T16
C212
1uF 25V
1uF 25V
C229
27pF
50V
C201
0.1uF
0.1uF
50V
C208
1uF
25V
DDC_SDA
3:T17
R247
22
C259
0.1uF
50V
+5V
AV1_CVBS_DET
3:T18
SIDE_R_IN
3:T20
COMP1_L_IN
3:T22
R205
1K
1K
R
2
0
7
4
7
0
K
R262
10K
C210
1uF 25V
R245
470K
R
2
0
6
4
7
0
K
COMP2_L_IN
3:T23
C204
27pF
50V
C214
27pF
50V
DSUB_R
3:T16
C230
27pF
50V
COMP2_Y_IN
3:T23
C244
47pF
50V
47pF
50V
C235
27pF
50V
R252
4.7K
+5V
C203
27pF
50V
ZD201
5.6B
OPT
PC_R_IN
3:T13
R
2
3
4
4
7
0
K
C207
1uF
25V
AV1_CVBS_IN
3:T18
RS232C_RxD
3:T12
DSUB_B
3:T15
COMP1_Pr_IN
3:T20
SIDE_L_IN
3:T20
COMP1_Y_IN
3:T21
COMP1_DET
3:T21
C216
47pF
50V
47pF
50V
R213
470K
470K
C243
47pF
50V
47pF
50V
C206
0.1uF
16V
R246
470K
D227
ENKMC2838-T112
A1
C
A2
R248
22
C233
27pF
50V
R259
22
R201
1K
C231
1uF
25V
R
2
3
3
4
7
0
K
IR
3:T11
R251
4.7K
C213
27pF
50V
DSUB_DET
3:T16
+5V
COMP2_R_IN
3:T23
COMP1_R_IN
3:T21
R263
3.3K
US_Commercial
R266
100K
US_Commercial
R265
100K
100K
US_Commercial
RGB_VSYNC
3:T14
JK209
PPJ225-01
9J
[GN]E-LUG
4A
[GN]O-SPRING-S
3A
[GN]CONTACT-S
9K
[BL]E-LUG
8B
[BL]C-LUG-S
9L
[RD]E-LUG_1
8C
[RD]C-LUG-S
9M
[WH]E-LUG_1
8D
[WH]C-LUG-S_1
9N
[RD]E-LUG_2
4E
[RD]O-SPRING-S_1
3E
[RD]CONTACT-S_1
9P
[YL]E-LUG
4F
[YL]O-SPRING-S
3F
[YL]CONTACT-S
9Q
[WH]E-LUG_2
8G
[WH]C-LUG-S_2
9R
[RD]E-LUG_3
4H
[RD]O-SPRING-S_2
3H
[RD]CONTACT-S_2
5J
[GN]O-SPRING-L
6J
[GN]CONTACT-L
7K
[BL]C-LUG-L
7L
[RD]C-LUG_L
7M
[WH]C-LUG-L_1
5N
[RD]O-SPRING-L_1
6N
[RD]CONTACT-L_1
5P
[YL]O-SPRING-L
6P
[YL]CONTACT-L
7Q
[WH]C-LUG-L_2
5R
[RD]O-SPRING-L_2
6R
[RD]CONTACT-L_2
C251
0.47uF
25V
C255
0.47uF
25V
C257
0.47uF
25V
C258
0.1uF
0.1uF
50V
C266
100pF
50V
100pF
50V
C267
100pF
50V
100pF
50V
C268
100pF
50V
100pF
50V
C269
100pF
50V
100pF
50V
C270
47pF
50V
C271
47pF
50V
R278
220
R279
220
JK208
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC202
M24C02-RMN6T
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
+5V_ST
L211
BLM18PG121SN1D
R283
100
100
R284
100
100
R285
0
0
R286
0
0
R231
10K
R211
10K
R210
10K
R202
10K
R215
1K
R214
1K
D230
5.6V
ADMC5M03200L
D231
5.6V
ADMC5M03200L
D226
5.6V
ADMC5M03200L
D222
30V
ADUC30S03010L
D221
30V
ADUC30S03010L
JK207
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
L212
CM2012FR27KT
L213
CM2012FR27KT
L214
CM2012FR27KT
L215
CM2012FR27KT
L216
CM2012FR27KT
L217
CM2012FR27KT
Q202
2SC3052
2SC3052
OPT
E
B
C
+5V_ST
R287
10K
10K
OPT
R288
0
0
R289
3.3K
OPT
C278
100pF
50V
100pF
50V
C279
100pF
50V
100pF
50V
+3.3V
R260
0
C254
4700pF
50V
C253
0.1uF
50V
L207
0
0
L209
0
L208
0
L207-*1
BG1608B121F
RGB_BEAD
L208-*1
BG1608B121F
RGB_BEAD
L209-*1
BG1608B121F
RGB-BEAD
IC201
74F08D
3
Q0
2
D0B
4
D1A
1
D0A
6
Q1
5
D1B
7
GND
8
Q2
9
D2A
10
D2B
11
Q3
12
D3A
13
D3B
14
VCC
C280
100pF
50V
100pF
50V
R290
0
R291
0
OPT
ZD202
5.1V
ZD203
5.1V
ZD206
5.1V
ZD205
5.1V
ZD204
5.1V
ZD230
5.1V
ZD212
5.1V
ZD207
5.1V
ZD208
5.1V
ZD211
5.1V
ZD221
5.1V
ZD231
5.1V
ZD223
5.1V
ZD224
5.1V
ZD225
5.1V
ZD226
5.1V
ZD227
5.1V
ZD228
5.1V
ZD229
5.1V
ZD209
5.1V
ZD210
5.1V
ZD213
5.1V
ZD214
5.1V
ZD215
5.1V
ZD216
5.1V
ZD217
5.1V
ZD218
5.1V
ZD219
5.1V
ZD220
5.1V
ZD222
5.1V
R292
15
15
R293
15
15
R294
15
15
R295
15
15
R296
15
15
R297
15
15
R203
15
15
R204
15
ZD232
5.1V
ZD141
5.1V
ZD233
5.1V
ZD234
5.1V
ZD244
5.1V
ZD252
5.1V
ZD243
5.1V
ZD235
5.1V
ZD236
5.1V
ZD254
5.1V
ZD250
5.1V
ZD249
5.1V
ZD248
5.1V
ZD247
5.1V
ZD246
5.1V
ZD245
5.1V
ZD253
5.1V
ZD251
5.1V
ZD242
5.1V
ZD241
5.1V
ZD240
5.1V
ZD239
5.1V
ZD238
5.1V
ZD237
5.1V
R216
0
R217
0
R235
0
R220
0
R218
0
R236
0
R219
0
0
R221
0
R249
0
R250
0
1 3
08.11.14
BRAZIL VENUS
IN.OUT
DO JAE GEUN
COMPONENT1/2,AV1/2
R,G,B PC&DDC
RS-232C
PC AUDIO
SPDIF OPTIC JACK
BCM Reference
BCM RECOMMAND
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
Click on the first or last page to see other 32LH70YD (CHASSIS:LJ91D) service manuals if exist.