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HCD-MG510AV
5-2.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –
TUNER PACK
FM ANT
L-CH
FM 75Ω
ANT GND
R-CH
AM ANT
AM
DI
ANT GND
DO
TU-CLK
TU-CE
TUNED
L-CH
24
HP101
23
(PLAY)
R-CH
R-CH
L-CH
R-CH
R-CH
REC/PB SWITCHING
3
1
R-CH
R-CH
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
R-CH
DI
DO
CLK
CE
TUNED
PB AMP
IC401 (1/2)
A IN-L
PB-L
PB
20
B IN-L
AMP
R-CH
MIX
MUTING
OUT
+
Q102
R-CH
6
19
AMS DET
Q404, 405
IC402
4
REC AMP
IC401 (2/2)
REC
OUT-L
REC
16
AMP
AU +9V
54
53
67
MOTOR
+12V
58 MO-ON
61
56
(DECK A HALF)
(DECK A PLAY)
(DECK B PLAY)
TAPE MECHANISM
INPUT SELECT
SWITCH
IC306
1
2
4
3
MUTING
5
13
Q101
R-CH
R-CH
R-CH
R-CH
REC
IN-L
14
TAPE MECHANISM
DECK BLOCK
(2/2)
MUTING
Q112
R-CH
ROTATION
DETECT SENSOR
(DECK A)
68
69
70
50
SYSTEM CONTROLLER
IC801 (2/5)
66
90
(DECK B HALF)
(DECK A REC)
DECK BLOCK
(DECK B REC)
(1/2)
18
18
TRIGGER PLUNGER
TRIGGER PLUNGER
(DECK A)
(DECK B)
TRIGGER
TRIGGER
PLUNGER DRIVE
PLUNGER DRIVE
ROTATION
(DECK A)
(DECK B)
DETECT SENSOR
Q383, 384
Q385, 386
(DECK B)
97
89
59
60
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
TUNER
L-CH
B
(Page 19)
5.1CH
C
(Page 19)
TAPE
L-CH
D
(Page 19)
REC
L-CH
E
(Page 19)
78 80 79 77 76
: REC
: 5.1CH INPUT
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