CFD-E75
21
21
6-3.
BLOCK DIAGRAM – MAIN Section –
REC/PB EQ AMP
IC301
: CD PLAY
: TUNER (FM/AM)
: TAPE PLAY
: TAPE RECORD
Q804
Q803, 804
SHIFT CLOCK
Q803
X801
4.19MHz
R-CH
VREF
VREF
TC 6V
L-CH
R-CH
R-DATA
R-CLOCK
R-CE
R-COUNT
17 15 21
TU IN L
R-CH
CN303 (1/3)
3
HRP301
(REC/PB)
HE301
(ERASE)
TC BOARD
POWER BOARD (1/2)
BIAS OSC
Q301
T301
BIAS OSC
3
4
6
1
CN322
(1/2)
13
3
12
1
CNP392
(L-CH)
(R-CH)
1
2
J301
(HEADPHONE)
i
4
3
X802
32.768kHz
74
CN321 (2/2)
9
7
10
OPR/BATT B+
CNP802
S301 (2/2)
(REC/PB)
REC
PB
S301 (1/2)
(REC/PB)
REC
PB
+
OPT/BATT LED
BOARD
11
7
11
7
CNP322 (4/4)
CN303 (3/3)
8
2
11
R-MUTE
VT
TC POWER
B+
D321
1
CD IN L
CD B+
CN303
(2/3)
5
CNP322
(3/4)
5
MAIN BOARD (3/4)
AF AMP
Q120
4
5
ELECTRICAL VOLUME
IC320
Q122
MUTING
R-CH
BUZZER H/L
CONTROL
Q431
5
3
4
6
1
5
KEY POWER BOARD
CN401
5
4
1
2
2
CNP401
CNP402
S401
POWER
S402
STANDBY
RADIO BAND
AUTO PRESET
S403
m
TUNE
–
M
TUNE
+
S404
S405
2
1
CN403
2
1
CN404
ROTARY
ENCODER
RE401
(JOG DIAL)
MENU
ALARM
S407
DSPL
ENT MEM
S406
2
CN402
JOG BOARD
S401 – 405
S406, 407
S408 – 413
KEY VOLUME BOARD
S408
x
S409
u
S413
MODE
S412
MEGA BASS
S410
VOLUME –
S411
D401
OPR/BATT
MEGA BASS
CONTROL
Q291
D390
D320
D394
TC POWER
B+
•
R-ch is omitted due to same as L-ch.
•
SIGNAL PATH