Sony CFD-E75L, Service Manual

Page: 30 / 56

30 30
CFD-E75L
D328
D329
Q323
Q322
R322
D321 C325
C227
C127
C225 C125
L322
1
µ
H
R
2
2
5
R
1
2
5
C
1
2
6
C
2
2
6
D322
D323
C351
C335
R324
R323
Q325
D
3
2
4
D
3
2
5
R
3
2
7
R
3
2
8
R
3
3
6
D
3
2
6 C327
C328
D327
R332
C330
R331
R330
Q327
R230
R130
R321
R224
Q122
Q222
R124
C124
C320
R320
C321
C324
C223 C224
C322
C323
C332
CNP323
C329
R
3
3
3
R329
Q326
CN321
CNP321
R122
R222
C326
R325 C123
IC320
CN322
IC321
C334
S303
M301
S304
CNP322
Q220
Q120
R123 C120
C331
C220 R223
R120
R121
R221
R220
Q328
R326
R334
L321
10
µ
H
Q329
R335
D320
1SS355TE-17
1SS355TE-17
DTA114EKA
-T146
DTC114YKA
-146
100
1SS355TE
-17
220
10V
100p
100p
1
50V
1
50V
1
5
k
1
5
k
1
5
0
V
1
5
0
V
1SS355TE-17
1SS355TE-17
100p
2.2
50V
1k
10k
DTC114YKA-T146
1
S
S
3
5
5
T
E
-1
7
1
S
S
3
5
5
T
E
-1
7
1
0
0
1
0
0
4
7
0
U
D
Z
-T
E
-1
7
-5
.1
B
220
16V
0.1
UDZ-TE-17-3.9B
220
100
10V
100
100k
KTC3203Y-AT
220k
220k
47k
6.8k
DTC343TKA-T146
DTC343TKA-T146
6.8k
1
50V
100
10V
150
0.01
0.1
1 50V 1 50V
100p
100p
100
10V
14P
0.01
4
7
0
1k
KTA1271Y-AT
11P
6P
220
220
100
10V
150 1
50V
M62429P
13P
S-81233SGY
10
50V
13P
KTC3198GR-AT
KTC3198GR-AT
1k 0.0022
47
10V
0.0022 1k
1k
220k
220k
1k
DTA114YKA
-T146
330
330
KTC3875GR
330
1SS355TE-17
AA1
AA2
AA3
AA4
AA5
AA1 AA2 AA3 AA4 AA5
PLAY
TAPE
REC
ISS1
ISS2
FSEQ
DRF
DO
*WRQ
CL
CE
DI
*RES
*RES
DI CE CL
*W
RQ
DO
DRF
FSEQ
ISS2 ISS1 TAPE
REC
PLAY
CD VDD 3.3V
S-GND
VT
A-GND
L-OUT
R-OUT
R-CE
R-COUNT
R-DATA
R-CLOCK
P-CON
AC-HI
R-MUTE
TC 9.0V
COM VCC
CD R-OUT
CD L-OUT
DRF
DO
*WRQ
FSEQ
CL
CE
DI
*RES
P-GND
D-GND
CD 6.2V
CD MOTOR 6.0V
R-COUNT
R-CLK
R-DATA
R-CE
RADIO
ISS-2 ISS-1
V-CLOCK
V-DATA A-MUTE BUZZER
P-CON
RMC+5V
D-GND
OPR/BATT
U-CON(VDD)
CD-RES
CD-DI CD-CE CD-CL
CD-WRQ
CD-DO
CD-DRF
CD-FSEQ
CD
REG-CHK
TC-PLAY
TC-REC
MOT-GND
D-GND
S-GND
MEGABASS
TU-IN-L
TU-IN-R
CD-IN-L
CD-IN-R
L-OUT
R-OUT
LINE
TAPE
6V
GND
ISS1
ISS2
REC
OUT IN GND
(1/2)
(MOTOR ON/OFF)
(CAPSTAN/REEL)
(TAPE PLAY)
RADIO 6V
AF AMP
AF AMP
ELECTRICAL
VOLUME
Q122,222
MUTING
Q328,329
BATTERY
CHECK
COM +3.3V
REGULATOR
Q325,326
CD B+ SWITCH
Q327
CD +3.3V REGULATOR
R-MUTE
TAPE
Q322,323
TUNER B+ SWITCH
L-OUT
R-OUT
A-GND
AU 6.2V
M/B-CONT
6-12. SCHEMATIC DIAGRAM – MAIN Board (1/2) –
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
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 are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER
[
] : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: AUDIO
(Page 28)
(Page 27)
(Page 35)
(Page 25)
(Page 31)
(Page 35)