Sony STR-DB725 Service Manual page 26

IC400 CXA8081S
36 35 34 33
OSC
B
R
20KH-L.P.F.
20K
DEC
VSS
1 2 3 4 5 6 7
IC401 CXA8079S
48 47 46 45 44 43
OSC DEC
N-GEN DIV
N-BPF
BAL-DET
N-OH BALCONT
VREF
1 2 3 4 5 6 7
IC403 LC7823
1
L1
2
L2
3
L COM1
4
L3
5
L4
L COM2 6
7
L5
L6 8
L COM3 9
L7 10
11
L COM4
VEE 12
CE 13
D1
14
CL 15
32 31 30 29
VDD
PDM
PDM-COUT
SRA1-8K
L-R
20K
L+R
20K
-6dB
20K R
R B B
VCC
8 9 10 11 12
42 41 40 39 38
VCC
B P
C-TRIM
B P
B P B P
CMODE
R
COMB-NET
B
VCRX8
R
B
VR VR
GND
8 9 10 11
LEVEL SHIFT
LATCH
SHIFT RESISTOR
28 27 26 25 24 23
AGND
L+DELAY
5K/7K-L.P.F.
B-NR
R-STEREO
P
B
VREF
13 14 15
37 36 35 34 33 32
R-B.P.F.
SMUTE
L-B.P.F.
15 17
12 13 14 16
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
– 44 –
22 21
INV-PHASE
P
B
R+DELAY
VOL/MUTE
RS-TRIM
LS-TRIM
16 17 18
31 30 29 28 27
L+R-RECT
VCS-LOG
L-R-RECT
DUAL-TIME
R-RECT
VLR-LOG
L-RECT
19 20
18 21 22
20 19
26 25
P.S
P.S
24
23