Sharp LC-32LE700UN Service Manual page 84

LC-32/40/46/52LE700UN
MAIN Unit-3
J
TO MAIN15(POWER2)
UR13V
5V
TO MAIN14(POWER1)
D3.3V
I
TO MAIN9(CPU)
CPU_SPDIF_OUT
H
G
F
0: SP_MUTE
1: Reserved
2: L_MUTE
3: Reserved
4: AMP_MUTE
E 5: OPT_MUTE
6: AMP_PROTECT
7: AMP_STANDBY
C1301
0.1u
25V
R1301
47
TO MAIN13(CONN)
D
SCL0
SDA0
C
TO MAIN8(UCOM)
MUTE_A_ALL
Q1304
KRC404E
TO MAIN15(POWER2)
B
0.0
AC_DET
2.9 R1323
10K
0.0
TO MAIN9(CPU)
PGA1OUT_L
PGA1OUT_R
SPOUT_LP
A
SPOUT_RP
2 3 4
1
MAIN3 (AMP IF)
R1305
0
R1335
5.6K
R1337
10K
D1311
C1314 0.0
10u EXA523WJ
25V 5.6V
KZA098WJ
0.7
R1338
0.0
3.3K
Q1309
KTC3875SG
R1328
1 2
Q1305
KRC404E
3 4
5.0 0.0
5 6
7 8
4.7K
0.0
NC NC NC
1 2 3 4 5 6 7 8
VCC DA0 DA1 NC IO7 IO6 IO5 IO4
IC1301
EXP I/O
LA79200V
SDA SCL ADDR IO0 IO1 IO2 IO3 GND
9
16 15 14 13 12 11 10
R1302
1 2
3 4
5 6
7 8
2K
5 6 7 8
C1310
0.1u
25V
R1333
22K
Q1312
KRC404E
0.0
5.0
0.0
C1306
1u
16V
C1307
1u
16V
D1301
KDS4148
VHD
D1305
1
3
2
1SS361
D1302
1
3
2
1SS361
R1317
3.9K
R1318
3.9K
9 10 11 12
10 – 4
[3/16]
L1301
10uH
CEM
3.3 0.0
R1311
C1311
22 C1312
5 4
10u
0.1u
Z
VCC 10V
Y
25V
KZA616WJQZ
SPDIF BUFFER
& SPDIF MUTE
IC1304
GND
B A
AHC1G08W
1 2 3
0.0 0.0 0.0
MAIN UNIT 3/16
DUNTKF282WE02
(PWBXF282WJ)
TO MAIN4(AMP)
R1310 TO MAIN2(A_TERM)
1K
R1334
1K
R1340 R1342
560K 560K
R1339
2.2K
6 5 4
C1309
R1345 10u
15K 10V
10K 2.2K
KZA616WJQZ 2.2K
1 2 3 Q1311
NC RT3Y97M
TO MAIN4(AMP)
R1329 R1330
15K 15K
R1308
2.2K
6 5 4
C1303
10u
10V
KZA616WJQZ
10K 2.2K 2.2K
1 2 3 Q1306
NC RT3Y97M
GND_B
13 14 15 16
D1306
GPFSV51M
OPTICAL OUTPUT
N_STANDBY
N_PROTECT
AMP_MUTE
LINE_OUT_L
LINE_OUT_R
SP_LP
SP_RP
17 18 19