HCD-EP50LIV
6-2. BLOCK DIAGRAM � TAPE DECK Section �
REC/PB
REC AMPRL-CH
SWITCHF(Page 17)
Q25
Q34RR-CH
R-CH
AMP GAIN
CONTROL
Q28
R-CH
6
HPRE101 (1/2)NF1
(RECORD/PLAYBACK)OUT1TL-CH
IN14
7
L-CHR-CHTR-CH
R-CHALC
D29TAPE TYPE
IN1MUTING
ALC3SELECT SWITCH
Q26
Q45
ALC,
REC/PB AMP
U13AMSALC CONST
79R-CH
R-CHR-CH2U14
R-CH
Q366 TROUTV.N 1
ALC
R-CH4CONTROLSWITCHING
Q8G(Page 18)
D308D306D305SYSTEM CONTROLLER
BUFFERIC301 (1/3)
(CrO2 DETECT)
REC/PB SWITCHINGQ14
U12
8
(HEAD POSITION DETECT)94 SEL10
(TAPE DETECT)96 SEL12
REC/PB(PROTECT (FWD) DETECT)
BIAS98 SEL14
SWITCH
TRAP
Q30(PROTECT (REV) DETECT)99 SEL15
R-CH
TAPE PLAY/REC DETECT
18SENSORA
SENSOR
R-CH
24 AMS
ISS SWITCHINGCAPSTAN/REEL MOTOR CONTROL,
Q41TRIGGER PLUNGER CONTROL,D32
REC BIAS CONTROL
U15
CAPSTAN/REEL
(CAPSTAN/REEL)MMOTOR DRIVE14 Q5STR 144 STROBE
Q37, 39
D50D4REC BIAS
SWITCH9V
HPRE101 (2/2)Q32, 33
BIAS OSC
(ERASE)TRIGGER
L5(TRIGGER PLUNGER)PLUNGER DRIVE12 Q7
BIAS OSCQ38, 40
Q31
DA IN
DATA 2H(Page 17)
CLOCK
CLK 3
D313LED
DRIVE6 Q3
zQ305
Y R-ch is omitted due to same as L-ch.
Y SIGNAL PATH
D312LED
: TAPE PLAYDRIVE7 Q4CD-EN
TIMERQ304Q8 11I(Page 18)
: RECORD
TU-EN
Q613
4 Q1
SW318
(MONO STEREO)
STEREO MONO
ISS
2 1
+5V
ST/BEAT
C(Page 15)
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