Sony STR-DA333ES Service Manual page 35

IC202,203 LC7821 (MAIN/AUDIO BOARD)
L1 1
L2
2
3
L3
L4
4
5
L COM1
L5 6
L6
7
L COM2 8
9
L7
L8 10
L COM3 11
VEE 12
CE 13
DI
14
SHIFT RESISTER
CL 15
BUFFER
IC901 NJM2103D (PS BOARD)
CR 1
2 VREF
VSC
+ –
OUTC
3
GND 4
Q
R
IC103 LB1638MTE (DISPLAY BOARD)
GND 1
2
IN1
VCC 3
4
IN2
5
GND
30 R1
29 R2
28 R3
27 R4
26
R COM1
25 R5
24 R6
23 R COM2
R7
22
21 R8
20 R COM3
LEVEL SHIFT
19 VDD
LATCH 18 RES
17 S
16 VSS
8
– +
6
5
S
+ – + –
IC501,601,701 uPC2581V (REAR AMP/MAIN BOARD)
10 N.C.
9 OUT1
8 VS
7
OUT2
6 N.C.
RESET
VSA
7
VSB/SESIN
V+
BIAS CIRCUIT
PROTECTOR
PRE
REG DRIVE
DRIVE
1 4 5 6
2 3
– 61 –
PRE
DRIVE
DRIVE
8 9
7 10 11 12 13 14 15