Tape Deck Section - Sony HCD-VX3A Service Manual

TAPE DECK SECTION

HRP1
(PLAYBACK)
L-CH
R-CH R-CH
HRP2 (1/2)
(RECORD/PLAYBACK)
L-CH
R-CH R-CH
3
R-CH
2
R-CH
RV441 RV341
REC BIAS (R) REC BIAS (L)
(DECK B) (DECK B)
HRP2 (2/2) BIAS OSC
(ERASE) T621
16
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DECK PROCESSOR
DECK A/B SELECT,PB/REC EQ AMP
DOLBY NR AMP,ALC,AMS
IC301
REC-L R IN (L)
E
43
ALC (L)
44
MAIN
SECTION
(Page 22)
PB EQ AMP
A IN (L)
48
(DECK A)
IC611
B IN (L)
RV311
46
PB LEVEL (L)
(DECK A) BIAS (N)
33
BIAS (C)
32
BIAS (M)
31
PB EQ AMP
(DECK A)
IC601
RV301 S1004
(DECK A 120/70)
PB LEVEL (L)
(DECK B)
REC/PB SWITCH
IC602 S1008
1
(DECK B 120/70)
R-CH
4
C331,L331
BIAS
TRAP
100
REC BIAS
SWITCH A+7V
Q623
BIAS OSC
Q621,622
87 87
S1001
(DECK-A PLAY)
manuals search engine
34 35
DOLBY NR
AMP
ALC
CIRCUIT
70
DOLBY PASS
120
RV301
REC LEVEL (L)
R-CH
L.P.F
(DECK B)
39
28
17 19 15 16 18 20 22 23 24 25
85 84 83 82 81 80 79 78
SYSTEM CONTROL
86 88 89
S1002 S1003 S1006
(DECK-B PLAY) (DECK-A HALF) (DECK-B HALF)
S1005
(DECK-A REC)
S1009
(DECK-B REC)
21 21
PB OUT (L) TC L
F
40
MAIN
SECTION
(Page 22)
REC EQ
38 36
AMP
AMS
27 26
CIRCUIT
RV1001
TAPE SPEED
Q335
77 76
IC501 (2/3)
91 90 73
ROTATION ROTATION TRIGGER
DETECT SENSOR DETECT SENSOR PLUNGER DRIVE
(DECK A) (DECK B) (DECK A)
IC001 IC002 Q333,334
SL1
TRIGGER PLUNGER
(DECK A)
HCD-VX3A
• RCH is omitted
• Signal Path
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
RV1002
TAPE SPEED
(HIGH) (NORMAL)
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
CAPSTAN
CAP-M CNT 2 74 MOTOR DRIVE
Q336-339
M1
M
(CAPSTAN)
CAPSTAN
CAP-M CNT 1 75 MOTOR DRIVE
Q340-343
72
TRIGGER
PLUNGER DRIVE
(DECK B)
Q331,332
SL2
TRIGGER PLUNGER
(DECK B)