LG 32LH250H Service Manual page 33

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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
008:Z22;008:AR32;008:AR31;008:BC11;003:P6
009:AD27
009:AE28
0 0 9 : I 1 2 ; 0 1 4 : S 1 3
0 0 9 : I 1 2 ; 0 1 4 : Y 1 3
C2151
0 . 1 u F
50V
8 SHIELD_PLATE
6B T_TERMINAL2
R2265
0
7B B_TERMINAL2
5 T_SPRING
R2266
0
4 R_SPRING
7A B_TERMINAL1
6A T_TERMINAL1 2SC3875S(ALY)
3 E_SPRING
PEJ024-01
JK1206
L1220
MLB-201209-0120P-N2 5VST
+12V 12V_DCDC
+12V_C 0 0 9 : A J 2 8 ; 0 1 4 : S 6
0 R2555
BUFFERED_MPI_DIN
NON_BLAN
009:AO27;014:Y7
0 R2554
MPI_DOUT
P1201 NON_BLAN
0 0 9 : A J 2 7 ; 0 1 4 : Y 1 4
SMW200-11
0 R2552
SPI_DATA_OUT
NON_BLAN
0 0 9 : N 2 6 ; 0 1 4 : S 1 3
12V
1
+12V_C 0 R2553
SPI_DATA_IN
009:N25;014:Y13
NON_BLAN
GND 0 R2551
2 SPI_CLOCK
NON_BLAN
0 1 4 : S 6
R2252 R2262
BUFFERED_MPI 0 BLAN 0
3
1/10W
R2259 R2263
5% 014:R7
MPI_DOUT 0 BLAN 0
4
1/10W
R2253 R2260
5% 0 1 4 : S 1 4
SPI_DATA_OUT 0 BLAN 0
5
1/10W
R2258 R2264
5% 0 1 4 : S 1 2
SPI_DATA_IN 0 BLAN 0
6
1/10W
R2254 R2261
5% 014:Y12
SPI_CLOCK 0 BLAN 0
7
1/10W
5%
GND
8
R2255
VCC 0
9
1/10W
R2257
5% 009:M8
IR_IN_MODEM 0
10
1/10W
5%
GAME CONT
11
t o b _ L A N I R i n p u t
GND
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.
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]
RJP
SAM2333
5VST
A1[GN]
LD903 C
A2[RD]
0
011:N25 LED_AM R2301
011:N25 LED_GR
R2302 0
R2314 100
R2286 100
011:M8 RJP_CTRL4
R2287 100
011:M8 RJP_CTRL3
R2288 100
011:M9 RJP_CTRL2
R2289 100
011:M9 RJP_CTRL1
R2290 100
011:M10 RJP_CTRL0
PM3
R2306 1
0 RXD2/PM4
0 1 2 : J 8 ; 0 1 2 : Z 7 PTC_DEBUG_RX 2
TXD2/PM5
012:D9;012:Q8 3
PTC_DEBUG_TX
R2303 0
SDA/PM6 4
SCL/PM7
5
R2297 0 FAULT0/PQ0
6
R2284 VCC1
VCC1 R2312 0 FAULT1/PQ1
0 7
R2309 0 FAULT2/PQ2
8
001:O26 SIDEAV_SW
R2310
OPT 0 FAULT3/PQ3 9
POWER_DET
R2296
0 VDDX
R2285 10
10K 1uF 0 . 1 u F VSSX
50V 11
10V
OPT C2155 C2156 R2313 IS0/PQ4
0 12
RELAY_PTC IS1/PQ5
MSTAR_POWER_ON 13
R2293
002:AE6;002:AG13;004:AG4 R2280 0 0 4 : E 1 4 ; 0 0 4 : Q 2 7
0 0 IS2/PQ6 14
SCK MODC/TAGHI/BKGD
R2278 15
0 IOC04/PT0
R2308 16
MISO
0 IOC05/PT1
R2282 17
100 IOC06/PT2
R2307 18
SPI_DATA_IN
0
IOC07/PT3 19
IOC14/PT4
R2294 20
100 R2311 0
SPI_CLOCK
002:AF20;009:AU17
DCDC_EN
5VST
22
R2295
C2152 2SA1530A-T112-1R
10uF
Q1108
16V
E
R2274
4.7K
B
C
VCC1
P1202
GIL-G-06-S3T2
C
Q1107 B
1
E
2
3
0 0 9 : Q 2 7 ; 0 0 9 : S 2 8 ; 0 0 9 : S 2 8 ; 0 0 9 : T 2 0 ; 0 0 9 : W 2 3 ; 0 0 9 : A D 3 1 R2315
0
4
VCC1
5
6
R2269
0
5VST
C2153
10uF
16V
C2154
0 . 1 u F
50V
DUM_BUFFERED_MPI_DIN C
Q1109 B
2SC3875S(ALY)
DUM_MPI_DOUT
E
DUM_SPI_DATA_OUT
DUM_SPI_DATA_IN
DUM_SPI_CLOCK
R2277
100
009:H8
C
Q1110 B
2SC3875S(ALY)
Q1111
E
2SC3875S(ALY)
R2527
100
014:N19;014:Y23
C
Q1403 B
2SC3875S(ALY)
E
R2324 R2335
330 330
bLAN_CTRL_PTC_1
R2332
330
R2325 bLAN_CTRL_PTC_0
330
R2333
330
bLAN_POWER_MANAGE
OPT
5VST
R2323
1K
R2342
R2322 30K
R2338
1K
330
R2343
8.2K
C2158
0 . 2 2 u F
VCC1
25V
OPT
P1203
GIL-G-02P
C2167 C2168
0 . 1 u F
1uF
50V 50V
VRH
60 2
VDDA
59
PAD07/AN07/KWAD07
58
011:U24 1
57 PAD06/AN06/KWAD06 1K R2349
KEY_CTL_0
PAD05/AN05/KWAD05
56
011:U24
PAD04/AN04/KWAD04 1K R2347
55 R2357
KEY_CTL_1
PAD03/AN03/KWAD03 0 R2348 100
IC1204 54
PAD02/AN02/KWAD02 0 R2346
53
MC9S12E128CFUE MISO Q1112
52 PAD01/AN01/KWAD01 C2170 2SC3875S(ALY)
009:N26
R2350 47pF
PAD00/AN00/KWAD00 0
51 50V 5VST
VSS2 R2351 0
50
C2169 0 . 2 2 u F
VDD2
49
PS7/SS 0 R2340
48
47 PS6/SCK R2358
SCK
100
PS5/MOSI 0 R2345 009:N27
46
PS4/MISO
45
PS3/TXD1
44
PS2/RXD1
43 R2352
0
42 PS1/TXD0 C2171
PTC_TX
47pF
PS0/RXD0
41 012:C8
50V
R2353
0 PTC_RX_5V
PTC_RX_5V
0 1 2 : J 7 ; 0 1 2 : K 1 4
0
R2339 5VST
VCC1
X900
C2165 C2166
C2162 0 . 1 u F 7.37280MHz
1uF
1000pF 50V
10V SV VC
50V 6 1
C2163
0 . 0 1 u F NC TRI-STATE
50V R2344 5 2
10K
OUTPUT GND
4 3
C2161
220pF
50V
R901 10K
RESET
SW901
SKHMPWE010
IC900
1 2
KIA7042AF
R904 1K 3 4
O I
3 1
5
2
C901
G 10uF
16V
OPT
5VST
008:O6;011:M21
C
B
E
5VST
C 5VST
R2361
B 4.7K
BUFFERED_MPI_DIN
0 0 9 : I 1 4 ; 0 1 4 : S 6
E
R2363
100
MPI_DOUT
0 0 9 : I 1 3 ; 0 1 4 : Y 7
SPI_DATA_OUT
C
R2360 0 0 9 : I 1 3 ; 0 1 4 : Y 1 4
12V_DCDC_2009_PWR
4.7K B Q1113
2SC3875S(ALY)
E
5VST
2009_PWR
002:AF20;009:N25
DCDC_EN
b _ L A N M P I p i n 3 p o w e r c o n t r o l
E
2N3906S-RTK
B Q910
C
L902
BEXT_5V
MLB-201209-0120P-N2
C912
220pF
50V MPI_5V or 12V
C
R953
Q909 B 3.3K
2SC3875S(ALY) b_com_PWCTRL
1/10W
014:K21
5%
E
M P I _ 5 V o r 1 2 V ( P I N 3 ) S e l e c t C o n t r o l f r o m b - L A N
002:AO28;009:E16
12V_DCDC
2009_PWR 2009_PWR
2009_PWR
L5001 D5000
22uH 40V
IC5000
BD9306AFVM
2009_PWR C5005
C5000 2009_PWR 2009_PWR
22uF R5003
FB RT 20K
25V
8 2009_PWR 1
2009_PWR
C5003 C5004
100pF
2009_PWR 100pF
COMP CT
C5002 R5001 50V
7 2
1K 50V
0 . 1 u F
2009_PWR
GND ENB
6 3
D
Q5000
VCC GD
G
5 4 AO3438
2009_PWR
2009_PWR S
C5001
2 . 2 u F
16V
R5002
0
37LH250H
PTC&DCDC
22uF
25V
0 9 . 0 5 . 1 9
9
14