
HCD-FL3
31
31
8-2.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –
FM ANT
ANT GND
AM ANT
ANT GND
ST-DIN
ST-CLK
ST-CE
ST-MUTE
TUNED
STEREO
L-CH
R-CH
ST-DOUT
TUNER UNIT
FM 75
Ω
AM
R-CH
DI
DO
CLK
CE
MUTING
TUNED
STEREO
R-CH
L-CH
R-CH
L-CH
R-CH
R-CH
HP901
(PB)
HRPE901
(REC/PB/ERASE)
REC/PB SWITCHING
IC2
R-CH
BIAS OSC
T301
BIAS
TRAP
REC BIAS
SWITCH
Q2, 3, 9
TC +10V
BIAS OSC
Q4, 5
TRIGGER
PLUNGER DRIVE
(DECK B)
Q251, 252
PM902
TRIGGER PLUNGER
(DECK B)
23
TRIGGER
PLUNGER DRIVE
(DECK A)
Q253, 254
PM901
TRIGGER PLUNGER
(DECK A)
25
92
91
15 13 12
14
DECK A/B SELECT SWITCH,
PB EQ AMP
IC1 (1/2)
R-CH
REC EQ AMP, ALC
IC1 (2/2)
TUNER
CAPSTAN
MOTOR DRIVE
Q256.257
M
M
M901
(CAPSTAN)
50
49
11
S1002
(DECK B PLAY)
S1001
(DECK A PLAY)
27
S1003
(DECK A HALF)
93
S1006
(DECK B HALF)
S1009
(DECK B REC)
S1005
(DECK A REC)
D +3.3V
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
: TAPE PLAY (DECK A)
: REC
: TAPE PLAY (DECK B)
ROTATION
DETECT SENSOR
(DECK A)
IC1001
ROTATION
DETECT SENSOR
(DECK B)
IC1002
DO
CE
MUTING
TUNED
STEREO
DI
CLK
REC BIAS (L)
(DECK B)
RV2
REC BIAS (R)
(DECK B)
RV52
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
Q255
TAPE SPEED
(HIGH)
RV1001
TAPE SPEED
(NORMAL)
RV1002
A/B
NOR/HIGH
REC MUTE
A/B
NOR/HIGH
REC MUTE
REC LEVEL
(DECK B)
RV53
+
MUTING
Q40
MUTING CONTROL
SWITCH
Q41
BUFFER
Q6 - 8
ANTENNA
REC/PB
SWITCHING
Q20, 21
D +3.3V
D +3.3V
R-CH
Summary of Contents for HCD-FL3
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