Sony STR-DE525 Service Manual page 23

IC302 LC7822
1
IN
2
3
OUT
4
5
IN
6
7
OUT 8
9
IN
10
OUT 11
12
VEE
CE 13
DI
14
SHIFT RESISTOR
CL
15
IC901 NJM2103D
CR 1
2 VREF
VSC
+ –
OUTC
3
GND 4
30
29
28
27
26
25
24
23
22
21
20
LEVEL SHIFT
19
LATCH 18
17
16
– +
Q
R S
+
– + –
IC403 LC7823
1
L1
IN
2
L2
3
L COM1
OUT
4
L3
5
L4
IN 6
L COM2
7
L5
OUT 8
L6
9
L COM3
IN IN
L7 10
OUT L COM4 11
VDD VEE 12
RESET CE 13
D1
S 14
VSS CL
15
IC502
–9V
8 RESET
BASS +
BASS –
VSA
7
COM
6
VSB/SESIN
TREBLE –
5 V+
TREBLE +
GND
S. CLK
— 37 —
LEVEL SHIFT
LATCH
SHIFT RESISTOR
TC9184P
TONE
CE
30
R1
29
R2
28
R COM1
27
R3
26
R4
25 R COM2
24 R5
23 R6
22 R COM3
21 R7
20 R COM4
19
VDD
18 RES
17 S
16 VSS
+9V
BASS +
BASS –
COM
TREBLE –
TREBLE +
T. LAT
S. DATA