Sharp LC32SB27U - LC - 32" LCD TV Service Manual page 80

LC-32D47U/LC-32SB27U/LC-C3237U
MAIN Unit-3 (LC-32D47U/LC-C3237U)
TO MAIN13(POWER)
J
UR13V
A9V
A5V
D3.3V
TO MAIN8(CPU)
AMP_PROTECT
AMP_STANDBY_N
I
AMP_MUTE
LINE_MUTE
HDMI_MUTE
H
SW_MUTE
LR_MUTE
OPT_MUTE
G
TO MAIN13(POWER)
AC_DET
TO MAIN7(UCOM)
MUTE_A_ALL
TO MAIN8(CPU)
OPT_OUT
F
TO MAIN14(SP_IF)
E
TO MAIN8(CPU)
SPOUT_L
D
SPOUT_R
C
TO MAIN8(CPU)
LINE_MCLK
LINE_BCLK
LINE_DATA
B
LINE_LRCLK
N_LINE_DAC_RST
A
1 2 3 4
Q1305
R1324 KRC404E
4.7K
5.0 0.0
0.0
R1372
47K
R1303
47K
R1306
47K
R1307
47K
R1322
47K
R1305
47K
*R1370
0
R1361 0
R1362 0
R1317
100
R1318 100
BUFFER
Q1307
KTA1504SG
4 5 6
R1308
2.2K
0.7 0.7
0.2
R1341
15K
R1314 3 2 1
C1303
47K R1315
10u 16V
10K
KZA510WJPZ
IC1301
AK4341ED
2Vrms Audio DAC
for SW PREOUT
MCLK GAIN
C1302
10u
CKZ
BICK VCOM
C1304
0.1u
SDTI VDD
C1315
10u
CKZ
LRCK VSS
C1316
10u
CKZ
PDN HVDD
C1305
0.1u
CZF
C1301
0.1u
SMUTE AOUTL
10V
ACKS AOUTR
DIF DEM
GND_B
5 6 7 8 9
MAIN3 (AMP IF)
R1337
R1335
5.6K 10K
D1311
0.0 EXA523WJ
5.6V
0.7
R1338
0.0
Q1309 3.3K
KTC3875SG
D1305
1SS361
1
3
2
D1302
1SS361
1
3
2
D1313
KDS4148
VHD
D1304
1SS361
1
3
2
*D1314
1SS361
1
3
2
Q1304
R1323
KRC404E
10K
0.0
2.9
0.0
*IC1304
AHC1G08W
*C1310
*R1333 SPDIF BUFFER
0.1u
& SPDIF MUTE
22K 25V
4.9 B
VCC
5.0
*Q1312
KRC404E
2.1 A
0.0 Y 2.0
GND
*R1311
22
C1306
1u
16V
C1307
1u
16V
Q1301
RN4983
R1345
15K
R1302
47K
KZA510WJPZ
10 11 12 13
10 – 6
[3/14]
MAIN UNIT 3/14
C1314
DUNTKF030WE
10u
25V
KZA098WJ
(PWBXF030WJ)
TO MAIN4(AMP)
PROTECT_N
AMP_STANDBY_N
AMP_MUTE_D
*L1301
10uH
CEM
*C1312
*C1311 0.1u
10u 16V 25V
KZA510WJPZ
*D1306
GPFSV51M
OPTICAL OUTPUT
TO MAIN4(AMP)
SP_L
SP_R
TO MAIN2(A_TERM)
TO MAIN2(A_TERM)
R1310
1K
LINE_OUT_L
LINE_OUT_R
R1334
1K
R1340 R1342
560K 560K
BUFFER
Q1310
KTA1504SG
4 5 6
R1339
2.2K 0.7 0.7
0.2
C1309 R1343 3 2 1
R1344
47K
10u 16V 10K
14 15 16 17 18 19