Sony HCD-D890AV Service Manual page 59

QQ
3 7 63 1515 0
IC601 LA2786
BPF1 1
NOISE
FILTER
BPF2 2
VREF
3 V REF
S-CH DC OUT 4
C-CH DC OUT 5
L-CH DC OUT 6
R-CH DC OUT 7
VREF
8
L-IN 9 VR
R-IN 10
V
SS 11
L-BPF1 12
TE
L 13942296513
L-BPF2 13
L-BPF3 14
15
DC CUT
DC CUT 16
R RECT 17
L RECT 18
19
VLR-TH
VLR-1 20
VLR-2 21
IC604 TC9210P
V 1
SS
OUT 2
L-CH
DATA
L-CH IN 3
LATCH
CIRCUIT
4
A-GND
www
5
NC
6
CS1
.
LEVEL
GND 7
SHIFT
CIRCUIT
8
CK
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LPF
NOISE
CH
GENERATOR
BALANCE
CONTROL
DIVIDER
VR
CONTROL
VR
VCA VCA
VCA VCA
VCA VCA
VCA VCA
LPF
LPF
+
RECT RECT RECT
LOG LOG
DIFF DIFF
R-CH
DATA
LATCH
CIRCUIT
x ao
y
SHIFT RESISTER
(13bit) i
LEVEL
SHIFT
CIRCUIT
STROBE OSC
CIRCUIT
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8
42
NOISE
41
40
OSC
39
38
37
36
35
34
33
32
31
Q Q
3 6 7 1 3
30
29
+
RECT 28
27
26
25
24
23
22
IC901 LA5617
16 V
DD
ON/OFF
15 OUT
14 IN R-CH
13
A-GND
VREF
12
NC
ERROR
u163
AMP
11
CS2
.
10 STB
1 2 3 4
9
DATA
– 90 –
2 9 9 4 2 8
CLK
DATA
ENABLE
OSC1
V
CC
L-OUT
R-OUT
S-OUT
C-OUT
CMODE-CAP.
C-TRIM DC CUT
R-BPF1
1 5 0 5 8 2 9 9 4
R-BPF2
R-BPF3
DC CUT
DC CUT
L-R RECT
L+R RECT
VCS-TH
VCS-1
VCS-2
CURRENT CURRENT
ON/OFF
LIMITER LIMITER
VMUTE VCC
VCC m
VREF
co
~ _ 1.8V
ERROR
AMP
5 6 7 8
9 9
2 8 9 9
START
CIRCUIT
VREF
OVER HEAT
PROTECT
9 10