Sony STR-DE625 Service Manual page 25

IC302 LC7822 (INPUT BOARD)
1
IN 2
3
OUT
4
5
IN
6
7
OUT 8
9
IN
10
OUT 11
12
VEE
CE
13
DI
14
CL 15
IC901 NJM2103D (STANDBY(2) BOARD)
CR
1
VREF
2
VSC
+ –
OUTC
3
GND 4
LEVEL SHIFT
LATCH
SHIFT RESISTOR
– +
Q
R S
+ – + –
IC403 LC7823 (SURR BOARD)
30 1
L1
IN
29 2
L2
28 3
L COM1
27 OUT
4
L3
26 5
L4
25 IN
L COM2 6
24 7
L5
OUT
23 L6 8
22
L COM3 9
IN IN
21 L7 10
20 OUT 11
L COM4
19
VDD VEE 12
18 RESET
CE 13
17 D1
S 14
16 VSS
CL 15
IC502
–9V
8
RESET
BASS +
BASS –
VSA
7
COM
6
VSB/SESIN
TREBLE –
5 V+
TREBLE +
GND
S. CLK
— 41 —
LEVEL SHIFT
LATCH
SHIFT RESISTOR
TC9184P (INPUT BOARD)
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