Deck Section - Sony HCD-VX90AV Service Manual

– DECK SECTION –
RV311
PLAYBACK
IC611
LEVEL
DECK A
L
HP101
PB HEAD
R CH
(DECK A)
R
RV301
PLAYBACK
IC601
LEVEL
DECK B
L
REC/PB HEAD
(DECK B)
R R CH
3 1
IC602
P R
4
HRPE101
REC/PB
RV341
REC
BIAS
REC BIAS
ERASE BIAS
ERASE HEAD X
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
09
S1008
S1004
B CrO
A CrO 2 2
16
17 19
A 120/70
PB-A/B B 120/70
70
PAS
A IN
48
B IN
46
120
DOL
DOLBY NR
DOLBY NR
IC301
RV301
REC LEVEL
RECOUT
39
EQOUT EQIN
36 38 BIAS SW
32 33
+7.5V
Q623
CAPSTAN
MOTOR
BIAS OSC
T621, Q621, 622
• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
A DECK/
B DECK
PLUNGER
– 23 –
28 27 26
MS
PB OUT
40
LM ON/
25
OFF
NORM/
HIGH
18
NR ON/
23
OFF
24
PB
DOLBY
RIN
TYPE B
44
BIAS ON/OFF
20
RM ON/OFF 22
ALC ON/OFF 15
CAP MOTOR
CONTROL
Q336-343
M1
SPEED
SWITCH
CONTROL
M
Q335
Q1001
RV1001
RV1002
REEL
NORMAL HIGH
DETECT
SPEED SPEED
IC1001
REEL
DETECT
IC1002
S1001 (A PLAY)
+5V
S1002 (B PLAY)
S1003
(A HALF)
+5V
+5V
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
MAIN SECTION
TRIGGER
MOTOR
CONTROL
Q331-334
PB A/B
MS OUT
MAIN SECTION
PB L
LM ON/OFF
NORM/HIGH
NR ON/OFF
REC/PB/PASS
REC L
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF
RELAY
CAPM CNT1
CAPM CNT2
CAP M H / L
B
MAIN
SECTION
(Page 25)
A SHUT
B SHUT
A PLAY
B PLAY
A HALF
B HALF/REC A/REC B
B TRIG
A TRIG
– 24 –
HCD-VX90AV