Deck Section - Sony HCD-VX880AV Service Manual

Q Q
3 7 6 3 1 5 1 5 0
– 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
BIAS OSC
ERASE BIAS
T621, Q621, 622
ERASE HEAD
X
T E
L 1 3 9 4 2 2 9 6 5 1 3
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
09
w w w
.
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S1008
S1004
A CrO B CrO 2
2
16 17 19 28 27
PB-A/B A 120/70 B 120/70
70
PAS
A IN
48
B IN
46
120
DOL
DOLBY NR
DOLBY NR
IC301
RV301
REC LEVEL
RECOUT DOLBY
39
TYPE B
EQIN
EQOUT
36 BIAS SW
38
32 33
+7.5V
Q623
M1
CAPSTAN
M
MOTOR
• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
A DECK/
B DECK
PLUNGER
x a o u 1 6 3
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8
PB A/B
MS OUT
MAIN SECTION
26
MS
PB OUT
PB L
40
LM ON/
25 LM ON/OFF
OFF
NORM/
HIGH 18 NORM/HIGH
NR ON/
23 NR ON/OFF
OFF
REC/PB/PASS
24
PB
RIN
REC L
44
BIAS ON/OFF
20 BIAS ON/OFF
RM ON/OFF 22 RM ON/OFF
ALC ON/OFF
ALC ON/OFF 15
RELAY
CAPM CNT1
CAP MOTOR
CONTROL CAPM CNT2
Q336-343
SPEED
SWITCH
CONTROL CAP M H / L
Q335
Q1001
Q Q
3 7 6 3 1
RV1002 RV1001
REEL
HIGH
NORMAL
DETECT
A SHUT
SPEED SPEED
IC1001
REEL
DETECT B SHUT
IC1002
S1001 (A PLAY)
+5V A PLAY
S1002 (B PLAY)
B PLAY
S1003
A HALF
(A HALF)
+5V
+5V
S1005
(REC A)
S1006 B HALF/REC A/REC B
(B HALF)
S1009
(REC B)
MAIN SECTION
TRIGGER
B TRIG
MOTOR
CONTROL
A TRIG
Q331-334
.
23 23
2 4
9 9 8
5 1 5 0 8 9 2 4
B
MAIN
SECTION
(Page 24)
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c o
HCD-VX880AV
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