![background image](http://html.mh-extra.com/html/sony/hcd-v8900/hcd-v8900_service-manual_420894058.webp)
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DEC
IN-FILTER
(40kHz)
VDD
ADM-CONT
SRAM
ADM
OUT-FILTER
(7k/5k)
B-NR
DC-OUT
VOL/MUTE
S-TRIM
INV-PHASE
R+DELAY
L+DELAY
A
B
A
B
A
B
A
B
A
B
A
B
A
B
L–R
L+R
(–6dB)
A
B
A.GND
L-OUT
R-OUT
VREF
S-OUT
DELAY-OUT
S-IN
R-IN
L-IN
DC-CUT
VDD
OSC
OSC
DC-CUT
IC602 LV1016
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
• Deck section
IC602 uPC1330HA
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
IC604 TC9210P
L-CH
DATA
LATCH
CIRCUIT
R-CH
DATA
LATCH
CIRCUIT
2
3
4
5
6
7
8
1
15
14
13
12
11
10
9
16
SHIFT RESISTER
(13bit)
STROBE OSC
CIRCUIT
LEVEL
SHIFT
CIRCUIT
LEVEL
SHIFT
CIRCUIT
V
SS
OUT
IN
L-CH
A-GND
NC
CS1
GND
CK
V
DD
OUT
IN
A-GND
NC
CS2
STB
DATA
R-CH
IC901 LA5617
ON/OFF
CURRENT
LIMITER
START
CIRCUIT
VREF
OVER HEAT
PROTECT
ON/OFF
CURRENT
LIMITER
1
2
3
4
5
6
7
8
9
10
VCC
VMUTE
VCC
VREF
ERROR
AMP
VREF
ERROR
AMP
VO1
VCC
CN1
EN
EN DISPLAY
GND
NC
CN2
VEE
VO2
~
_1.8V
~_
140uA
COMPARATER
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TEL 13942296513
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299