Sony HCD-VR90AV - Deck Section

HCD-VR90AV
2222
DECK SECTION
IC611
R CH
HP101
PB HEAD
(DECK A)
L
R
RV311
PLAYBACK
LEVEL
DECK A
IC601
R CH
L
R
RV301
PLAYBACK
LEVEL
DECK B
3
1
IC602
4
REC BIAS
BIAS OSC
T621, Q621, 622
ERASE HEAD
ERASE BIAS
46
48
B IN
A IN
16
PB-A/B
38
36
RV301
REC LEVEL
39
RECOUT
BIAS SW
C
N
70
120
DOLBY
TYPE B
+7.5V
Q623
LIN
43
PB
24
18
20
22
40
25
PB OUT
LM ON/OFF
BIAS ON/OFF
ALC ON/OFF
RM ON/OFF
TC PB L
TC REC L
PB A/B
NORM/HIGH
REC/PB/PASS
REC/PB/PASS
BIAS ON/OFF
15
RM ON/OFF
ALC ON/OFF
RELAY
16
G
LM ON/OFF
NORM/HIGH
PAS
DOL
P
R
REC/PB HEAD
(DECK B)
DOLBY NR
IC301
DOLBY NR
HRPE101
RV341
REC
BIAS
32 33
23NR ON/OFF NR ON/OFF
17
S1004
A CrO
2
S1008
B CrO
2
19
A 120/70
B NORM/CROM/METAL
M
CAP MOTOR
CONTROL
Q336-343
SPEED
CONTROL
Q1001
SWITCH
Q335
RV1001
HIGH
SPEED
RV1002
NORMAL
SPEED
M1
CAPSTAN
MOTOR
CAPM CNT2
CAP M H/L
CAPM CNT1
REEL
DETECT
IC1001
REEL
DETECT
IC1002
A SHUT
B SHUT
S1001 (A PLAY)
+5V
S1002 (B PLAY)
A PLAY
A HALF
B HALF/REC A/REC B
S1003 (A HALF)
+5V
S1005 (REC A)
S1006 (B HALF)
S1009 (REC B)
(Page 24)
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
R CH
CN301
3
1
E
MAIN(1/2)
SECTION
MAIN(1/2)
SECTION
MAIN(2/2)
SECTION
(Page 23)
F
(Page 23)
28
27
26
MS
MS OUT
B TRIG
A TRIG
TRIGGER MOTOR CONTROL
Q331-334
A DECK/B DECK
PLUNGER
• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
B PLAY