Deck Section - Sony HCD-GRX80 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
R
P
4
HRPE101
REC/PB
RV341
REC
BIAS
REC BIAS
ERASE BIAS
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
.
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
DOLBY
RECOUT
39
TYPE B
EQOUT EQIN
BIAS SW
36 38
32 33
+7.5V
Q623
M1
CAPSTAN
MOTOR
BIAS OSC
T621, Q621, 622
• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
A DECK/
B DECK
PLUNGER
x a o
y
i
– 21 –
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8
PB A/B
MS OUT
28 27 26
MS
PB OUT
40 PB L
LM ON/
25 LM ON/OFF
OFF
NORM/
HIGH
18
NR ON/
23 NR ON/OFF
OFF
24
PB
RIN
44 REC L
BIAS ON/OFF
20 BIAS ON/OFF
RM ON/OFF 22 RM ON/OFF
ALC ON/OFF 15
RELAY
CAPM CNT1
CAP MOTOR
CONTROL
Q336-343
SPEED
SWITCH
CONTROL CAP M H / L
M
Q335
Q1001
Q Q
3 7 6 3
RV1002 RV1001
REEL
NORMAL HIGH
DETECT
A SHUT
SPEED
SPEED
IC1001
REEL
DETECT B SHUT
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
u 1 6 3
.
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2 4
9 9 8
MAIN SECTION
NORM/HIGH
REC/PB/PASS
ALC ON/OFF
CAPM CNT2
B
MAIN
1 5 1 5 0 8 9 2 4
SECTION
(Page 23)
A PLAY
B PLAY
A HALF
B HALF/REC A/REC B
B TRIG
A TRIG
m
c o
– 22 –
HCD-GRX80/RXD8/RXD8S
2
9 9
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