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HCD-EP50LIV
16
16
Q36
R-CH
L-CH
HPRE101 (1/2)
(RECORD/PLAYBACK)
R-CH
R-CH
8
(PROTECT (FWD) DETECT)
(PROTECT (REV) DETECT)
(TAPE DETECT)
(CrO
2
DETECT)
REC/PB
SWITCH
Q34
REC/PB
SWITCH
Q30
AMP GAIN
CONTROL
Q28
ALC
CONTROL
Q8
BIAS
TRAP
CAPSTAN/REEL
MOTOR DRIVE
Q37, 39
BIAS OSC
9V
+5V
REC BIAS
SWITCH
Q32, 33
M
(CAPSTAN/REEL)
TRIGGER
PLUNGER DRIVE
Q38, 40
(TRIGGER PLUNGER)
LED
DRIVE
Q305
D313
SW318
(MONO STEREO)
CAPSTAN/REEL MOTOR CONTROL,
TRIGGER PLUNGER CONTROL,
REC BIAS CONTROL
U15
SYSTEM CONTROLLER
IC301 (1/3)
R-CH
R-CH
R-CH
R-CH
R-CH
(HEAD POSITION DETECT)
CD-EN
TU-EN
ST/BEAT
DA IN
CLOCK
D305
D306
D308
D29
D50
D4
D32
LED
DRIVE
Q304
D312
TL-CH
TR-CH
RL-CH
RR-CH
AMS
U14
HPRE101 (2/2)
SWITCHING
ISS SWITCHING
Q41
z
TIMER
ISS
2 1
STEREO MONO
BUFFER
Q14
TAPE PLAY/REC DETECT
SENSOR
REC AMP
Q25
MUTING
Q26
TAPE TYPE
SELECT SWITCH
Q45
BIAS OSC
Q31
• R-ch is omitted due to same as L-ch.
6-2.
BLOCK DIAGRAM – TAPE DECK Section –
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299