Read Sony XDR-CD70DAB Service Manual online
XDR-CD70DAB
23
23
XDR-CD70DAB
6-10. SCHEMATIC DIAGRAM – AMP Section –
•
See page 24 for IC Block Diagrams.
CN351
C908
C905
C909
R913
R912
C904
C907
C903
Q901
R908
D902
R906
R905
R901
R902
R903
R904
Q902
D903
C902
C910
C911
C901
IC351
UTC8227 S
Q251
Q151
C154
C254
R154
R153
R254
R253
C351
R352
C153
C253
C255
C155
C257
C157
R255
R155
C256
C156
R256
R156
R257
C906
R152
R252
C251
C151
R351
Q352
Q351
R157
C158
C353
C352
Q353
Q354
C159
C356
C354
C355
C258
C259
R158
C161
C261
C260
CN353
SP201
SP101
CN352
R447
R449
R402
R404
R406
R408
R410
R412
R414
R416
R418
S410
R419
R420
R421
R422
R423
R424
R425
R426
R427
R428
R429
R430
R431
R432
R433
R434
R437
R439
D401
D402
R435
S420
Q401
Q402
S411
S416
S417
S418
S412
S413
S414
S415
S401
S402
S403
S404
R407
R405
R403
R401
R409
R411
R413
R415
R417
S405
S406
S407
S408
S409
S422
S421
R450
R258
C160
D901
Q903
Q904
R909
R910
TP406
16P
0.1
0.1
100
10V
10V
100
47
470
10V
10V
100
10V
10V
0.01
2SC3052EF-T1-LEF
10k
MC2837
10k
10k
4.7k
4.7k
4.7k
4.7k
ISA1235AC
UDZSTE17-6.8B
0.01
0.01
47p
1000
16V
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
1000p
1000p
1k
10k
1k
10k
4.7
50V
50V
10k
1000p
1000p
1
50V
1
50V
470p
470p
2.2k
2.2k
2200p
2200p
1k
1k
100
220
10V
10V
4.7k
4.7k
1
50V
1
50V
1k
RT1N441C
RT1P144C
100
47
10V
1000p
100
10V
10V
RT1P141C
RT1N441C
100
10V
10V
0.1
0.1
470 16V
47
10V
100
10V
10V
2.2
0.22
0.22
470
10V
10V
4P
2P
100k
100k
100k
47k
470k
220k
47k
100k
47k
470k
220k
22k
47k
22k
100k
47k
47k
47k
470k
100k
220k
22k
47k
22k
100k
47k
47k
220
220
1L4344B
22COCDT02
1L4344B
22COCDT02
1k
RT1N436C
RT1N436C
100k
47k
47k
22k
22k
22k
47k
47k
100k
220k
2.2
470
10V
10V
MC2836
2SD2394-F
2SD2394-F
100
100
MO6V
MOGND
C-GND
C-GND
AU6V
KEY0
U-GND
P-ON
TU6V
AMUT
AC-IN
DABGND
DABGND
L-OUT
AGND
R-OUT
S
T
BY
R
OU
T
R
IN
+
LIN
+
R
IP
PLE
LO
U
T
VC
C
BS L
L N
F
R
N
F
P
RE G
ND
B
S
R
POWER
GND
GND
POWER
KEY0
GND
GND
GND
GND
CN355
2P
GND
KEY0
KEY3
KEY2
GND
GND
OFF
KEY1
KEY0
+6.2V
SNOOZE
GND
HIGH
MID
SNOOZE/BRIGHTNESS
Q401,402
LED DRIVE
1
4
OFF
ALARM RESET
VOLUME
+
AUDIO
IN
TUNE
TIME SET
+
FM/DAB
RADIO ON
CD
ALARM
B
VOLUME
-
TUNE
TIME SET
-
3
1
ALARM
MODE
SLEEP
NAP
DISPLAY
DAB AUTO SCAN
PRESET
TUNING
PRESET
TUNING
PRESET
TUNING
1
2
3
SELECT
PRESET
SELECT
PRESET
SELECT
PRESET
CLOCK
1
2
(R-CH)
(L-CH)
R-CH
GND
GND
L-CH
POWER AMP
Q353,354
+B
2
1
Q151,251
MUTING
Q351,352
MUTING CONTROL
Q901,902
REGULATOR CONTROL
+6V REGULATOR
+6V REGULATOR
(AC IN)
A
5
1
B+ SWITCH
POWER UNIT
(TEST CD)
DATE
D401,402
(ILLUMINATION)
TU1
DAB TUNER MODULE
J
(Page 19)
(Page 19)
(Page 19)
(Page 21)
(Page 17)
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