Read Sony HCD-V909AV / MHC-V909AV Service Manual online
— 78 —
1
5
6
+
–
+
20
19
18
17
16
15
14
13
21
22
23
24
2
3
4
7
8
9
10
12
11
+
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
VCC
NR-DET
ENABLE
DATA
CLK
D.GND
DC-CUT
VDD
OSC
OSC
NR-IREF
DC-CUT
IC602 LV1016
• Deck section
IC402 LB1641
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
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
• Panel section
IC751 M65850P
• Power section
IC301 uPC1237HA
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
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