Sony STR-DA30ES Service Manual page 16

QQ
3 7 63 1515 0
IC202,203 LC7821 (MAIN/AUDIO BOARD)
IC901 NJM2103D (PS BOARD)
TE
L 13942296513
IC103 LB1638M (DISPLAY BOARD)
GND 1
IN1 2
www
VCC 3
IN2 4
.
5
GND
http://www.xiaoyu163.com
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
12
VEE
CE 13
DI
14
CL 15
BUFFER
CR 1
VSC 2
+ –
OUTC 3
GND 4
10 N.C.
9 OUT1
VS
8
x ao u163
y
7 OUT2
i
6
N.C.
http://www.xiaoyu163.com
2 9
8
LEVEL SHIFT
LATCH
SHIFT RESISTER
Q Q
3 6 7 1 3 1 5
VREF
Q
R S
+
– +
IC501,601,701 uPC2581V (S.AMP/MAIN BOARD)
PROTECTOR
PRE
REG DRIVE
co
DRIVE
5
1 2 3 4
.
— 59 —
9 4 2 8
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
19 VDD
18 RES
17 S
16 VSS
8 RESET
0 5 8 2 9 9 4 2 8
– +
7 VSA
6
VSB/SESIN
5 V+
–
BIAS CIRCUIT
m
PRE
DRIVE
DRIVE
6
7 8 9 10 11 12
9 9
9 9
14 15
13