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31
31
CFD-E75L
6-13. SCHEMATIC DIAGRAM – MAIN (2/2)/LCD Boards –
•
See page 23 for Waveforms.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
A
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
[
no mark : TUNER
[
] : CD PLAY
〈〈
〉〉
: TAPE PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
C802
C803
R431
C873
R876
R877
R878
R880
R870
R869
R868
R867
R866
R865
C
8
6
6
C
8
6
8
C
8
6
9
C
8
6
5
LCD801
R838
R
8
4
8
R
8
4
9
R
8
5
0
R
8
5
1
R
8
5
2
R
8
5
3
R
8
5
4
R
8
5
5
R
8
5
6
R
8
5
7
R
8
5
8
R
8
5
9
R
8
6
0
R
8
4
7
R
8
4
6
R
8
4
5
R
8
4
4
R
8
4
3
R
8
4
2
R
8
4
1
R
8
4
0
R
8
6
1
R
8
3
9
R895
R
8
9
0
R
8
8
8
C801
C813
R
8
2
0
R
8
1
9
R
8
1
8
R
8
1
6
R
8
1
5
R
8
1
3
R
8
1
2
R
8
1
1
R
8
1
0
R
8
0
9
R
8
0
8
R
8
0
7
R
8
0
6
R
8
0
5
R
8
0
3
R
8
0
2
R
8
0
1
C887
C881
C882
C886
C889
C888
C884
C883
Q803
Q804
X
8
0
1
R835
R834
R836
R837
C
8
3
4
C
8
3
5
C
8
3
6
R883
C830
C
8
9
2
R891
R
8
9
4
R
8
9
3
R
8
9
2
C823
C824
C825
C826
CNP802
R882
R881
C885
C890
R884
IC803
C
8
3
7
R830
R832
R829
R826
R825
C
8
1
8
C
8
1
9
C
8
2
0
R899
R871
R879
R824
R823
CNP811
CNP801
IC804
IC801
X802
R
8
2
7
CN801
Q431
C431
R432
C
8
1
2
L801
100
µ
H
R896
C874
R873
L802
2.2
µ
H
C805
C872
C
8
1
0
C875
C880
R828
R
8
2
1
R886
S901
0.01
47
10V
4.7k
22p
1k
1k
1k
1k
1k
1k
1k
1k
1k
22k
1
0
0
p
1
0
0
p
1
0
0
p
0
.1
47k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
4
7
k
47k
3
3
0
k
3
3
0
k
100p
100p
1
k
1
k
2
2
k
1
k
1
k
1
k
1
k
1
k
1
k
1
k
1
k
1
k
1
k
1
k
1
0
k
1
k
1
k
10p
22p
10p
22p
5p
22p
5p
22p
2SC2413TKT146-N
2SC2413TKT146-N
4
.1
9
M
H
z
100k
33k
100k
100k
0
.0
1
0
.0
1
0
.0
1
1k
0.1
0
.0
1
10k
1
0
0
k
1
0
0
k
1
0
k
100p
100p
100p
100p
6P
1k
10k
0.001
0.01
47k
PST9128-T
0
.0
1
1k
1k
1k
1k
1k
0
.1
1
0
0
p
1
0
0
p
330k
1k
100k
1k
1k
27P
27P
SPS-442-VP
32.768kHz
1
0
k
2P
DTC114YKA-T146
0.001
470
1
0
0
p
47k
10p
330
0.1
10p
1
0
0
p
5p
0.01
0
4
.7
k
470k
RADIO
R-CE
TAPE
R-DATA
R-CLK
R-MUTE
CD-W
RQ
CD-CE
CD-CL
CD-DO
CD-DI
CD-REF
CD-FSEQ
M
EGABASS
A-M
UTE
P-CON
CD
CD
CD-RES
CD-RES
CD-DI
CD-CE
CD-CL
CD-W
RQ
CD
-DO
CD-DRF
CD-FSEQ
REG-CHK
P-CON
A-M
UTE
M
EGABASS
TC-REC
TAPE
ISS-1
ISS-2
RADIO
R-CE
R-DATA
R-CLK
R-COUNT
R-M
UTE
ISS-1
ISS-2
TC-REC
R-COUNT
RMC
V-DATA
V-CLOCK
RST
EXTAL
XTAL
VSS
VL
VLC3
VLC2
VLC1
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
NC
TEX
TX
VDD
A-MUTE
BUZZER
RADIO
A-MUTE
BUZZER
U-CON(VDD)
D-GND
OPR/BATT
V-DATA
P-CON
V-CLOCK
GND
JOG-A
JOG-B
SIMUKE CHECK
N.C
CD-WRQ
CD-DRF
CD-DI
CD-CE
CD-FSEQ
CD-DO
CD-CL
ISS-1
ISS-2
TAPE
P-CON
N.C
N.C
ISS-1
ISS-2
TAPE
CD-WRQ
INIT
CD-RES
MEGABASS
BEEP-H/L
RADIO
N.C
N.C
N.C
TC-
PLAY
RMC+5V
TC-PLAY
CD-RES
TC-REC
R-MUTE
R-COUNT
R-CLK
R-DATA
R-CE
CD
MEGABASS
JOG-A
JOG-B
KEY2
KEY1
N.C
RMC+5V
SIGNAL
GND
OPR/BATT
RESET SIGNAL
GENERATOR
RESET
VCC
GND
LIQUID CRYSTAL DISPLAY
REMOTE CONTROL
RECEIVER
SYSTEM CONTROLLER
SEG9
COM3
COM2
COM1
COM0
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
SHIFT CLK
KEY-2
KEY-1
REG CHK
CD DOOR
CD
CD FSEQ
CD DRF
CD CE
CD CL
CD DO
CD DI
TU-COUNT
TU-DATA
TU-CLK
TU-MUTE
TU-CE
CXP83624-027Q
(2/2)
Q803,804
SHIFT CLOCK
(CD LID OPEN/CLOSE)
REG-CLK
BUZZER H/L
CONTROL
TC-REC
(Page 30)
(Page 33)
Ver. 1.2
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