Block Diagram - Tuner/Tape Deck Section - Sony HCD-VM330AV Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-3. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
TUNER PACK
FM ANT L-CH
FM 75Ω
ANT GND R-CH
ANTENNA
AM ANT
AM
DI
ANT GND
DO
TU-CLK
TU-CE
TUNED
L-CH
HP101
(PLAY)
R-CH R-CH
L-CH
R-CH
R-CH
3 1
R-CH R-CH
T E
L 1 3 9 4 2 2 9 6 5 1 3
HRPE101
(REC/PLAY/ERASE)
2
C429, R429
T403
BIAS
TRAP
R-CH
BIAS OSC
T401
REC BIAS
SWITCH
Q402, 403
BIAS OSC
Q401
SENSOR B+
CAPSTAN
M1 M M
MOTOR DRIVE
(CAPSTAN)
Q381, 382
w w w
.
R-CH
DI
DO
CLK
CE
TUNED
PB AMP
IC401 (1/2)
A IN-L
24
PB-L
PB
20
B IN-L
AMP
23
R-CH MIX
MUTING
OUT
+
Q102
6
R-CH
19
AMS DET
Q404, 405
REC/PB SWITCHING
IC402
4
REC
OUT-L
16
AU +9V
54 53 67
MOTOR
+12V
58 MO-ON
61 56
x a o
y
(DECK A PLAY) (DECK B PLAY)
i
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8
INPUT SELECT
SWITCH
IC306
1 2
4 3
MUTING 5 13
Q101
R-CH R-CH
R-CH R-CH
Q Q
3 7 6 3
REC AMP
IC401 (2/2)
REC
IN-L
REC
14
AMP
TAPE MECHANISM
MUTING
Q112
R-CH
DETECT SENSOR
68 69 70
50
SYSTEM CONTROLLER
IC801 (2/5)
66 90
(DECK A HALF) (DECK B HALF)
u 1 6 3
(DECK A REC)
TAPE MECHANISM
.
DECK BLOCK
(DECK B REC)
(1/2)
23 23
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2 4
9 9
1 5 1 5 0 8 9 2 4
TRIGGER PLUNGER TRIGGER PLUNGER
DECK BLOCK (DECK A)
(2/2)
TRIGGER
ROTATION ROTATION PLUNGER DRIVE PLUNGER DRIVE
DETECT SENSOR (DECK A)
(DECK A) (DECK B) Q383, 384 Q385, 386
97 89 59
m
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
c o
: TUNER
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
HCD-VM330AV
2
8 9 9
TUNER
L-CH
F
(Page 24)
5.1CH
G
(Page 24)
TAPE
L-CH
H (Page 24)
9 8 2 9 9
REC
L-CH
J (Page 24)
(DECK B)
TRIGGER
(DECK B)
60 78 80 79 77 76
: REC
: 5.1CH INPUT