Sony HCD-XB8 Service Manual page 42

www.freeservicemanuals.info
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
7
R-CH DC OUT
VREF
8
L-IN 9
R-IN
10
V
SS 11
L-BPF1 12
L-BPF2 13
L-BPF3 14
DC CUT 15
DC CUT 16
R RECT 17
L RECT 18
VLR-TH 19
20
VLR-1
VLR-2 21
IC604 TC9210P
V 1
SS
OUT 2
L-CH
DATA
L-CH IN 3
LATCH
CIRCUIT
A-GND 4
NC 5
CS1 6
LEVEL
GND 7
SHIFT
CIRCUIT
8
CK
LPF
NOISE
CH
BALANCE
CONTROL
DIVIDER
VR
CONTROL
VR
VR
VCA VCA
VCA VCA
VCA VCA
VCA VCA
LPF
LPF
+
RECT RECT RECT
LOG
DIFF
R-CH
DATA
LATCH
CIRCUIT
SHIFT RESISTER
(13bit)
LEVEL
SHIFT
CIRCUIT
STROBE OSC
CIRCUIT
NOISE
GENERATOR
OSC
+
RECT
LOG
DIFF
IC901 LA5617
16 V
DD
ON/OFF
15 OUT
14 IN R-CH
13 A-GND
VREF
12 NC
ERROR
AMP
11 CS2
10 STB
1 2 3
9
DATA
— 78 —
42 CLK
41
DATA
ENABLE
40
OSC1
39
38 V
CC
L-OUT
37
36 R-OUT
S-OUT
35
34 C-OUT
33 CMODE-CAP.
32 C-TRIM DC CUT
R-BPF1
31
30 R-BPF2
R-BPF3
29
28 DC CUT
27
DC CUT
26 L-R RECT
25 L+R RECT
24 VCS-TH
23 VCS-1
22 VCS-2
CURRENT CURRENT
ON/OFF
LIMITER LIMITER
VMUTE VCC
VCC
VREF
~ _ 1.8V
4 5 6 7 8
It`s Free
START
CIRCUIT
VREF
OVER HEAT
PROTECT
ERROR
AMP
9 10