Sony DSX-A50BT Service Manual

DSX-A50BT
DSX-A50BT
1717
5-3. SCHEMATIC DIAGRAM - MAIN Section (1/3) -
• See page 26 for IC Block Diagrams.
(2/3)
MAIN
BOARD
1
BOARD
(3/3)
2
MAIN
IC B/D
IC B/D
IC B/D
IC B/D
7
2.4
7 7 7
14.1
8.5
7 7 7 7 7 7 7
14.1
7
4.1
7
3.3
3.3 8.5 4.9 4.9
14.1
3.3
0
12
3.3 3.3
14.1
0
3
3
3
4.1
8.4
3
3
3
3
3
8.4
3
3
3
3
3
3
8.4
3
3
3
3
0000
0000
0
2
2
3.3
2.6
2.4
8.4
13.9
13.9
0
0
0
6.5
6.5
0
0
3.3
0.5
0
8.9 3.3
14.1
4.9 3.3
4.9
3 3 3
3 3 3
8.4
CN102
16P
1FL+
2RL+
3RR+
4FR+
5AMP-REM
6ANT-REM
7ACC
8GND
9FL–
10RL–
11RR–
12FR–
16+B
13TEL-ATT
14ILL
15TEST
17+B
18+B
19+B
GN1G
D403
GN1G
D401
RKZ18B2KGP1
D114
R106
1k
RKZ7.5B2KGP1
D106
2SC4154TP-1EF
Q104
DRC5114E0L
Q103
DRC5144E0L
Q101
1k
R107
RKZ18B2KGP1
D107
R105
220k
0.01
C110
220
R330
220
R333
220
R326
220
R329
25V
47
C105
22
R118
DRA5114E0L
Q109
J101
GN1G
D404
GN1G
D405
0R260
0R262
0R263
R320
10k
R311
10k
10
R321
10
R318
R309
10k
10
C403
C407
10
10
C408
10k
R404
10k
R403
10
C314
10
C313
10
C310
10
C317
10
C305
10
C306
10
C309
4.7uH
L251
IC303
BA4560RFVM-TR
1
2
3
4
V-
5
6
7
8
V+
C401
16V
3300
Q305
LTC614TUFP8T106
Q303
LTC614TUFP8T106
Q302
LTC614TUFP8T106
Q301
LTC614TUFP8T106
2SC3052EF-T1-LEF
Q106
DA2J10100L
D116
4.7k
R346
150
R336
10k
R327
10k
R328
10k
R331
10k
R332
25V
47
C257
DRC5114E0L
Q304
100
R338
0.1
C331
16V
22
C319
IC302
BA4560RFVM-TR
1
2
3
4
V-
5
6
7
8
V+
6.3V
1000
C106
C119
1
R302
10k
C404
1
1
C409
1
C332
220
R337
12k
R301
12k
R308
12k
R319
12k
R310
100k
R312
100k
R315
100k
R307
R304
100k
220p
C304
220p
C301
220p
C303
220p
C308
100
R356
1
C340
10
C410
1
C406
140uH
L401
S-1142B90I-E6T1U
IC402
1
VOUT
2
VSS
3
ON/OFF
4
NC
5
VSS
6
VIN
LV47011P-E
IC304
1
TAB
2
PW_GND2(FL)
3
FL–
4
STBY
5
FL+
6
VCC2
7
RL–
8
PW_GND1(RL)
9
RL+
10
RIPPLE
11
IN_RL
12
IN_FL
13
PRE_GND(BEEP?)
14
IN_FR
15
IN_RR
16
AC_GND
17
RR+
18
PW_GND3(RR)
19
RR–
20
VCC1
21
FR+
22
MUTE
23
FR–
24
PW_GND4(FR)
25
OFFSET
0.47
C102
0.47
C101
0.1
C255
1
C324
1
C327
1
C326
1
C320
1
C322
1
C323
1
C321
1
C325
0.22
C330
0.22
C318
0.22
C412
12k
R317
10k
R316
100k
R405
FB101
FB102
FB103
DRC5114Y0L
Q110
16V
220
C411
16V
C122
100
1
C328
1
C349
J303
220
R325
220
R322
220R324
220R323
0
R339
R259
0
47p
C329
IC301
BA4560RFVM-TR
1
2
3
4
V-
5
6
7
8
V+
4.7k
R305
4.7k
R306
0.1
C302
4.7k
R313
4.7k
R314
0
R252
0R257
RF_ANT_IN
RF_GND
AUDIO_OUT_L
AUDIO_OUT_R
RSTN
SCL
SDA
+8.5V
POWER_GND
TU251
9
4
5
3
1
2
6
7
8
LV56831P-E
IC401
1
NC
2
AUDIO_EN
3
AUDIO 8.5V
4
NC
5
VDD(BACKUP5V)
6
IKVDD
7
NC
8
VCC
9
VCC1
10
REG_EN
11
IKREG
12
AMP_EN
13
AMP12V
14
GND
15
REG 3.3V
47k
R335
10k
R334
10k
R117
10k
R114
10k
R407
47k
R111
47k
R116
4.7k
R112
C231 1 C233 1 C237 1 C239 1
MM1836A33NRE
IC102
1
CONT
2
GND
3
NOISE
4
VOUT
5
VIN
BUIN
AMP_REM
AUDIO_EN
SYS_EN
ACC_IN
HIT2_SCL
HIT2_RST
HIT2_SDA
LINE AMP
IC301
LINE AMP
IC302
CENTER VOLTAGE GENERATOR
IC303
POWER AMP
IC304
REGULATOR
IC401
Q109, 110
IC402
1 9
11 19
20 21 14 13
8 6
18 17 16 15
3
26 24 23
5
27
4
10
2
22 12 25
7
MAIN BOARD (1/3)
+3.3V REGULATOR
IC102
(CHASSIS)
CAM251
(ANTENNA IN)
TUX-DSP02
(TUNER UNIT)
R
L
REAR
AUDIO OUT
32V
10A
FU101
(REMOTE IN)
ACCESSORY CHECK
BATTERY CHECK
Q101, 104
BACK UP VOLTAGE DETECT
+9V REGULATOR
MUTING CONTROL
MUTING
SWITCH
MUTING MUTING MUTING MUTING
168
I
142 1512
A
D
5
K
B
M
7
C
L
176113
H
F
13
G
9
E
101
J
18
194
J301
4P
R
L
FRONT
AUDIO OUT
PW1
PW1
FRONT LCH-
FRONT LCH+
REAR LCH+
REAR LCH-
REAR RCH+
REAR RCH-
FRONT RCH+
FRONT RCH-
ACC
BATT
GND
REM OUT
MAX 0.4A
RL-
RL-
RL+
RL+
FL-
FL-FL+
FL+
FR-
FR-FR+
FR+
RR-
RR-RR+
RR+
AMP REM
BATTGND
MAX 0.3A
ACC
AMT REM
BATT
GND
ACC
AMT REM
TO
CN301
(AEP, UK)
(E, IND)
TO
CN102
TO
CN102
GN1G
D402
(AEP, UK)
10
R514
IC602
BA4560RFVM-TR
123
4
V-
5
6
78
V+
MIX AMP
IC602
0.1
C618
R611 33k
C617 100p
R610 33k
C616 100p
100p
C614
100p
C615
33k
R606
22k
R604
2.2
C611
33k
R607
22k
R609
2.2
C610
22k
R605
2.2
C612
22k
R608
2.2
C613
BT_LCH_N
BT_LCH_P
BT_RCH_P
BT_RCH_N
(Page 18)
(Page 19)

Sony DSX-A50BT Specifications

General

MP3 playback	Yes
CD-R playback	No
FM band range	87.5 - 108 MHz
Product color	Black
Amplifier output power	50 W

Weight and Dimensions

Weight	700 g
Dimensions (WxDxH)	178 x 120 x 50 mm