Deck Section; Main Section; Q Q - Sony HCD-V909AV Service Manual

HCD-V909AV
QQ
3 7 6 3 1 5 1 5 0
— DECK SECTION —
L
HP101
PB HEAD
R CH
(DECK A) R
L
REC/PB HEAD
(DECK B)
R CH
R
HRPE101
T E
L 1 3 9 4 2 2 9 6 5 1 3
ERASE BIAS
ERASE HEAD
X
09
www
.
http://www.xiaoyu163.com
RV311
12
PLAYBACK
IC611
PB-A/B
LEVEL
DECK A
A IN
2
B IN
4
RV301
PLAYBACK
IC601
LEVEL
DECK B
RV301
REC LEVEL
EQOUT EQIN
11
10
3 1
IC602
R
P
4
REC/PB
RV341
REC
+7.5V
BIAS
Q623, 901
REC BIAS
BIAS OSC
T621, Q621, 622
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
x a o
y
i
— 23 —
http://www.xiaoyu163.com
8
S1008
S1004
A CrO B CrO 2
2
CN403
3
13 15
1
A 120/70 B 120/70
70
PAS
PB OUT
8
120
DOL
LM ON/
20
OFF
DOLBY NR
DECK PROCESS
NORM/
IC401
HIGH 14
NR ON/
18
OFF
19
PB
DOLBY
RECOUT
10 RIN
TYPE B
6
BIAS ON/OFF
BIAS SW 16
RM ON/OFF 17
24 25
CAP M SWITCH
Q405, 407
M1 SPEED
Q Q
CAPSTAN CONTROL
M
3 7 6 3
MOTOR
Q651
RV651 RV652
NORMAL HIGH
SPEED SPEED
+5V
S1003
(A HALF)
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
VZ 4
u 1 6 3 2 OUT1
TRIGGER
M2
MOTOR
TRIGGER
M IN2 6
DRIVE
MOTOR
IC402
10 OUT2
.
IN1 5
2 4
9 9 8
PB A/B
R CH
PB L
LM ON/OFF
NORM/HIGH
NR ON/OFF
REC/PB/PASS
REC L
BIAS ON/OFF
RM ON/OFF
RELAY REC/PB
CAP M ON/OFF
SWITCH
CAP M H / L
Q406 1 5 1 5 0 8 9 2 4
E
MAIN
SECTION
(Page 25)
REEL
DETECT
A SHUT
Q1001
REEL
DETECT B SHUT
Q1002
S1001 (A PLAY)
A PLAY
S1002 (B PLAY)
B PLAY
A HALF
+5V
BHALF
m
SWITCH
TRIG H / L
Q408, 409
c o
B TRIG
A TRIG
— 24 —
2
9 9
9 8 2 9 9