LG 22LG3DDH Service Manual page 22
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Also See for 22LG3DDH:
- Owner's manual (148 pages) ,
- Setup manual (53 pages) ,
- Commercial mode setup manual (47 pages)
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5VST
P_CH_DN
014:U17
5VST
P_CH_UP_1
009:Z25
P_CH_UP
014:W25
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.
PTC
5VST
IC1203
FM24C16A
NC_1
VDD
C2150
1
8
0 . 1 u F
50V
NC_2
WP
2
7
NC_3
SCL
3
6
VSS
SDA
4
5
5VST
L6000
MLB-201209-0120P-N2
IC6000
C6000
008:Z22;008:AR32;008:AR31;008:BC11;003:Q6
MC14053BDR2G
0 . 1 u F
R6001
4.7K
Y1
VDD
1
16
009:AO28
R6000
0
Y0
Y
R6005
0
2
15
P_CH_DN_1
009:AP29
009:Z25
R6002
4.7K
Z1
X
R6006
0
3
14
P_ON_OFF_1
009:T11
5VST
009:Z25
R6003
0
Z
X1
R6007
4.7K
4
13
009:T10
5VST
R6004
0
Z0
X0
R6008
0
5
12
P_ON_OFF
014:V20
INH
A
6
11
R6009
100
VEE
B
7
10
R6010
100
C
VSS
C
8
9
R6011
100
Q6000
B
R6013
1K
Pillow_POWER_MANAGE
2SC3875S(ALY)
009:AL37;014:R12
E
C2151
C2152
10uF
0 . 1 u F
16V
50V
8 SHIELD_PLATE
6B T_TERMINAL2
R2265
0
7B B_TERMINAL2
5 T_SPRING
R2266
0
4 R_SPRING
7A B_TERMINAL1
2SC3875S(ALY)
6A T_TERMINAL1
3 E_SPRING
PEJ024-01
JK1404
L1220
5VST
MLB-201209-0120P-N2
12V_DCDC
+12V
+12V_C
P1201
C2153
SMAW200-11
10uF
16V
12V
1
+12V_C
GND
2
009:AV29
R2252
BUFFERED_MPI
0
3
BUFFERED_MPI_DIN
1/10W
009:AZ28
5%
MPI_DOUT
0
R2554
4
MPI_DOUT
009:AV27
R2253
SPI_DATA_OUT
0
5
SPI_DATA_OUT
1/10W
009:Y27
5%
SPI_DATA_IN
0
R2553
6
SPI_DATA_IN
009:Y26
R2254
SPI_CLOCK
0
7
SPI_CLOCK
1/10W
5%
GND
8
R2255
VCC
0
9
1/10W
R2257
5%
009:X9
IR_IN_MODEM
0
10
1/10W
5%
GAME CONT
11
GND
UPDATE
SW900
SKHMPWE010
1
2
5VST
UART_SWA
012:AA5
3
4
R2291
012:O6
5
2.2K
UART_SWB
R2300
4.7K
SAM2333
OPT
A1[GN]
LD904
C
A2[RD]
SAM2333
A1[GN]
LD903
C
A2[RD]
011:N19
R2301
0
LED_AM
011:N19
LED_GR
R2302
0
R2314
100
R2286
100
R2287
100
R2288
100
R2289
100
C2158
0 . 2 2 u F
R2290
100
25V
PM3
R2306
1
0
RXD2/PM4
0 1 2 : J 8 ; 0 1 2 : Z 7
2
PTC_DEBUG_RX
TXD2/PM5
3
012:D9;012:Q8
PTC_DEBUG_TX
R2303
0
SDA/PM6
4
SCL/PM7
5
R2297
PILLOW_MUTE
0
FAULT0/PQ0
6
014:X24
R2284
VCC1
VCC1
R2312
0
FAULT1/PQ1
7
0
R2309
0
FAULT2/PQ2
8
001:Q26
SIDEAV_SW
MC9S12E128CFUE
R2310
0
FAULT3/PQ3
POWER_DET
9
R2296
0
VDDX
R2285
10
10K
1uF
0 . 1 u F
VSSX
50V
11
10V
C2155
C2156
R2313
IS0/PQ4
OPT
0
12
MSTAR_POWER_ON
RELAY_PTC
IS1/PQ5
13
R2280
R2293
004:U28
0 0 4 : L 5 ; 0 0 4 : S 1 4
0
IS2/PQ6
0
14
SCK
MODC/TAGHI/BKGD
R2278
15
0
IOC04/PT0
16
MISO
0 R2308
IOC05/PT1
R2282
17
100
IOC06/PT2
18
SPI_DATA_IN
0 R2307
IOC07/PT3
19
004:K11
DCDC_EN
IOC14/PT4
R2294
20
100
R2311
0
SPI_CLOCK
009:R27
P_ON_OFF_1
5VST
009:R27
P_CH_DN_1
009:K26
P_CH_UP_1
DET_PILLOW
22
VCC1
008:AB21;014:AH12
R2295
2SA1530A-T112-1R
Q1108
E
R2274
4.7K
B
C
VCC1
P1202
GIL-G-06-S3T2
C
Q1107
B
1
E
2
3
009:AB28;009:AD29;009:AD29;009:AE21;009:AI24;009:AO31
R2315
0
4
VCC1
5
6
R2269
0
5VST
C2154
0 . 1 u F
50V
C
Q1109
B
2SC3875S(ALY)
E
5VST
R2277
100
0 0 9 : S 9
C
Q1110
B
2SC3875S(ALY)
Q1111
E
2SC3875S(ALY)
C
Q1403
B
2SC3875S(ALY)
E
R2324
R2335
Pillow_POWER_MANAGE
330
330
009:V24;014:R12
R2332
330
R2325
330
R2333
330
OPT
R2323
5VST
1K
R2342
30K
R2322
R2338
1K
330
R2343
20K
VCC1
OPT
P1203
GIL-G-02P
C2167
C2168
0 . 1 u F
1uF
50V
50V
VRH
60
2
VDDA
59
58
PAD07/AN07/KWAD07
011:U24
1
PAD06/AN06/KWAD06
1K
R2349
57
KEY_CTL_0
PAD05/AN05/KWAD05
56
PAD04/AN04/KWAD04
1K
R2347
011:U23
55
R2357
KEY_CTL_1
PAD03/AN03/KWAD03
0
R2348
100
IC1204
54
C
0
53
PAD02/AN02/KWAD02
R2346
MISO
Q1112
PAD01/AN01/KWAD01
C2170
52
009:Y27
2SC3875S(ALY)
47pF
PAD00/AN00/KWAD00
R2350
0
51
50V
5VST
E
VSS2
R2351
0
50
VDD2
C2169
0 . 2 2 u F
49
48
PS7/SS
0
R2340
PS6/SCK
47
SCK
R2358
PS5/MOSI
0
R2345
009:Y27
100
46
PS4/MISO
45
PS3/TXD1
44
43
PS2/RXD1
R2352
0
PS1/TXD0
C2171
42
PTC_TX
PS0/RXD0
47pF
41
012:C8
50V
R2353
PTC_RX_5V
0
PTC_RX_5V
0 1 2 : J 7 ; 0 1 2 : K 1 4
0
5VST
R2339
X900
C2166
C2165
C2162
0 . 1 u F
7.37280MHz
1uF
1000pF
10V
50V
SV
VC
50V
6
1
C2163
0 . 0 1 u F
NC
TRI-STATE
5
2
50V
R2344
10K
OUTPUT
GND
4
3
C2161
220pF
50V
R901
10K
RESET
SW901
SKHMPWE010
IC900
1
2
KIA7042AF
3
4
O
I
R904
1K
3
1
5
2
C901
G
10uF
16V
OPT
0 0 8 : O 6 ; 0 1 1 : L 2 1
C
B
E
5VST
5VST
R2361
B
4.7K
BUFFERED_MPI_DIN
009:T12
R2363
100
MPI_DOUT
009:T12
SPI_DATA_OUT
C
R2360
009:T11
4.7K
B
Q1113
2SC3875S(ALY)
E
26/32LG3DDH
9
PTC&DCDC
14
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