Sony DSX-A50BT / DSX-A50BTE Service Manual ▷ View online
DSX-A50BT/A50BTE
DSX-A50BT/A50BTE
25
25
5-9. PRINTED WIRING BOARDS - MAIN Section (2/2) (E, Mexican, Argentina and Indian models) -
•
: Uses unleaded solder.
1
4
14
1
15
2
CN201
C401
CN102
CN103
X101
X102
9
1
TU251
L401
1
15
14
2
1
25
24
2
IC401
IC304
J101
J301
J303
J304
R804
C403
C406
C407
C408
C410
R259
C412
R260
R262
R262
R263
C243
C255
Q301
Q302
Q303
Q305
D401
D403
D404
D405
FB101
FB102
FB103
FB302
FB303
R337
R339
R340
R341
R342
R343
R344
R345
JL101
JL102
JL103
JL104
JL105
JL106
JL107
JL108
C318
R356
C330
C332
C335
C336
C337
C338
C339
C341
C347
C157
C158
D309
D310
D311
FU101
D601
1
9
18
10
CN001
MAIN BOARD
(CONDUCTOR SIDE)
A
K
E
E
E
E
1-885-883-
TUX-DSP02
(ANTENNA IN)
AUX
1
9
17
18
19
16
8
(REMOTE IN)
R
L
REAR
AUDIO OUT
R
L
FRONT
AUDIO OUT
A2
KEY BOARD
CN001
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
TUNER
UNIT
K
A
ANTENNA BOARD
(SIDE A)
ANTENNA BOARD
(SIDE B)
1-885-289-
12
(12)
1-885-289-
12
(12)
BT
BOARD
MIC601
PATTERN
ANTENNA
ANTENNA
WR1
11, 12, 13
(11, 12, 13)
TO
CN102
1
1
9
WHT/BLK
GRN/BLK
VIO/BLK
GRY/BLK
GRN/BLK
VIO/BLK
GRY/BLK
WHT
GRN
VIO
GRY
BLU
RED
BLK
2
2
10
3
3
11
4
4
12
5
5
13
6
6
14
7
7
15
8
8
1
2
3
4
5
6
7
8
16
RL+
RL–
GRN/BLK
WHT/BLK
GRY/BLK
VIO/BLK
WHT/BLK
GRY/BLK
VIO/BLK
GRN
WHT
GRY
VIO
FL+
FL–
FR+
FR–
RR+
RR–
ACC GND
BLK
YEL
RED
BLU
ANT
REM
NC
NC
BATT
NC
NC
YEL
AMP REM
MAX 0.3 A
BLU / WHT
PW1
1
9
WHT/BLK
WHT
GRN/BLK
GRN
VIO/BLK
VIO
GRY/BLK
GRY
WHT
GRN/BLK
GRN
VIO/BLK
VIO
GRY/BLK
GRY
RED
YEL
BLK
YEL
BLK
FRONT LCH (–)
FRONT LCH (+)
REAR LCH (–)
REAR LCH (+)
REAR RCH (–)
REAR RCH (+)
FRONT RCH (–)
FRONT RCH (+)
FRONT LCH (+)
REAR LCH (–)
REAR LCH (+)
REAR RCH (–)
REAR RCH (+)
FRONT RCH (–)
FRONT RCH (+)
ACC
BATT
GND
BATT
GND
2
10
3
11
4
12
5
13
6
14
7
15
8
16
PW1
TO
CN102
REM OUT
MAX 0.4A
MAX 0.4A
BLU / WHT
(E, MX, IND)
(AR)
10
11
(Page 26)
Note 2: When the BT board or MAIN board (including BT board) is replaced, it
is necessary to confi rm operation. Refer to “BLUETOOTH FUNCTION
CHECKING METHOD USING A CELLULAR PHONE” (page 5).
CHECKING METHOD USING A CELLULAR PHONE” (page 5).
Note 1: When BT board is defective, exchange
the complete mounted board.
Ver. 1.2
DSX-A50BT/A50BTE
DSX-A50BT/A50BTE
26
26
5-10. PRINTED WIRING BOARD - KEY Board -
•
: Uses unleaded solder.
1
36
LSW901
LSW902
LSW903
LSW904
LSW905
LSW906
LCD901
LED901
LED902
LED903
LED904
LED905
LED907
LED906
R901
R902
R903
R904
R905
R906
R913
R914
R915
R920
R951
R952
R954
R955
R957
R958
S901
S902
S903
S904
S905
S906
IC902
1
2
14
15
CN001
Q901
R907
R908
R909
R910
R911
R912
R916
R917
CL001
R928
R929
R930
R931
R932
R933
R934
R935
R936
R938
C901
C902
C903
C904
C905
C912
R950
R960
R961
R962
R963
R964
R965
R966
R967
R968
D901
D902
D903
D904
D905
D906
D907
D908
D909
D910
IC901
S907
PUSH ENTER/
SELECT/
ROTARY
ENCODER
(VOLUME)
KEY BOARD
(COMPONENT SIDE)
KEY BOARD
(CONDUCTOR SIDE)
1
1
1
3
2
4
5
2
6
7
3
A
A
A
A
A
K
K K K
K
A A A
A
A
K
K
E
K
K
K
12
36
25
13
24
48
37
1-885-884-
11
(11)
1-885-884-
11
(11)
LIQUID CRYSTAL DISPLAY
LED904, S903
LED903, S904
LED905, S902
LED907, S901
LED906, S906
SOURCE
OFF
SEEK–
SEEK+
LED902, S905
A
K
A
K
A
K
A
K
A
K
A
K
CALL
A1
MAIN BOARD
CN103
A2
MAIN BOARD
CN103
SCRL
DSPL
SHUF/MIC
4
PAUSE
3
1
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
ALBUM
2
ALBUM
PTY
3
6
4
5
1
2
LSW901 - 906
K
LED902-907
A
S901-906
LCD BACK
LIGHT
LED901
A
B
C
D
E
1
2
3
4
5
6
(AEP, RU, UK, EA)
(E, MX, AR, IND)
PTY
AF/TA
(E, EA, MX, AR, IND)
(AEP, RU, UK)
/MODE
(Page 23)
(Page 25)
Ver. 1.1
DSX-A50BT/A50BTE
DSX-A50BT/A50BTE
27
27
5-11. SCHEMATIC DIAGRAM - KEY Board -
• See page 16 for waveforms. • See page 26 for IC Block Diagrams.
BOARD
A
MAIN
CN103
(2/3)
IC B/D
11
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5.1
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5.1
3.4
1.7
2.5
2.5
0
3.3
0
4.7
3.6
5.1
5.1
5.1
0
PT6586-LQ
IC901
1
NCO
2
DIMMER
3
SEG3
4
SEG4
5
SEG5
6
SEG6
7
SEG7
8
SEG8
9
SEG9
10
SEG10
11
SEG1
1
12
SEG12
13
SEG13
14
SEG14
15
SEG15
16
SEG16
17
SEG17
18
SEG18
19
SEG19
20
SEG20
21
SEG21
22
SEG22
23
SEG23
24
SEG24
25
SEG25
26
SEG26
27
SEG27
28
SEG28
29
SEG29
30
SEG30
31
SEG31
32
SEG32
33
SEG33
34
SEG34
35
COM1
36
COM2
37 COM3
38 COM4
39 SEG35
40 VDD
41 VDD1
42 VDD2
43 VSS
44 OSC
45 INH
46 CE
47 CL
48 DI
LED904
S902
RKZ6.8B2KGP1
D904
RKZ18B2KGP1
D910
NESW505DT-A0-UV
LED901
LED902
S903
RKZ6.8B2KGP1
D906
100
R912
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN001
15P
KEY_GND
KEY_GND
RE_1
RE_0
KEY_1
KEY_0
SIRCS
LCD_DATA
LCD_CE
LCD_CLK
ILL
PANEL_SW
GND
NC
GND
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D901
100
R936
LED903
LED905
100
R935
RKZ6.8B2KGP1
D909
S904
VCC
OUT
GND
PNA4813M01S0
IC902
1
2
3
RKZ6.8B2KGP1
D905
LED906
RKZ5.1B2KGP1
D902
1M
R930
LED907
S901
RKZ6.8B2KGP1
D908
0.47
C905
RT1N140C-TP-1
Q901
0
R938
S906
100
R950
82
R916
S907
2
4
5
3
1
6
7
LSW905
LSW906
3
1
2
4
5
6
LSW904
3
1
2
4
5
6
3
1
2
4
5
6
LSW903
3
1
2
4
5
6
LSW902
3
1
2
4
5
6
LSW901
3
1
2
4
5
6
CL001
R917
820
DA2J10100L
D903
0.1
C903
C901
0.1
0.1
C902
0.1
C904
1
7
8
9
10
11
12
5
6
14
19 18 17
13
16
20
15
23
24
27
21
28
26 25
22
31
33
35
30
32
36
34
29
2
3
4
LCD901
0
R920
68
R913
68
R914
68
R915
R951
R954
R957
R960
R966
S905
R952
R955
R958
820
R901
1k
R902
1k
R903
1.2k
R904
1.5k
R905
1.8k
R906
R968
820
R907
R967
1k
R908
R965
1k
R909
R964
R963
1.2k
R910
R962
R961
1.5k
R911
150
R928
150
R929
R934
1k
1000p
C912
39k
R931
R933
1k
R932
1k
CE
DI
SEG1
SEG2
SEG1
SEG2
COM4
COM3
COM2
COM1
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
COM4
COM3
COM2
COM1
CL
CE
CL
DI
LIQUID CRYSTAL DISPLAY
(LCD BACK LIGHT)
SEEK+
CALL
OFF
SOURCE
OFF
SOURCE
SEEK+
CALL
4
SHUF/MIC
3
PAUSE
1
ALBUM
2
ALBUM
REMOTE CONTROL
IC902
LIQUID CRYSTAL DISPLAY DRIVER
IC901
KEY BOARD
SEEK-
DIMMER CONTROL
RECEIVER
SEEK–
SCRL
DSPL
ROTARY ENCODER
SELECT
PUSH ENTER/
(VOLUME)
PTY
1
A
B
F
7
E
D
9
H
11
4
C
13
10
2
3
14
12
8
5
G
6
PTY
AF/TA
(E, EA, MX, AR, IND)
(AEP, RU, UK)
SCM015B17TT86P (EXCEPT AR)
LED902 - 907
SML-D12V8WT86TN (AR)
330 (EXCEPT AR)
R951, 952, 957, 958
680 (AR)
470 (EXCEPT AR)
R954, 955
100 (AR)
/MODE
/MODE
220 (EXCEPT AR)
R960- 968
100 (AR)
(Page 20)
Ver. 1.1
DSX-A50BT/A50BTE
DSX-A50BT/A50BTE
28
28
• IC Block Diagrams
– MAIN Board –
IC102, 601 MM1836A33NRE
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
IC304 LV47011P-E
TAB 1
PWR GND2 2
PWR GND1 8
PWR GND3 18
PWR GND4 24
OFFSET DIAG 25
OUT 2– 3
OUT 1– 7
OUT 2+ 5
VCC1/2 6
VCC3/4 20
OUT 1+ 9
STBY 4
+
–
–
+
–
–
STANDBY
SWITCH
MUTE
CIRCUIT
PROTECTIVE
CIRCUIT
PROTECTIVE
CIRCUIT
DC 10
IN1 11
RIPPLE
FILTER
IN3 15
AC GND 16
IN2 12
PRE GND 13
IN4 14
OUT 3+ 17
OUT 3– 19
+
–
–
MUTE 22
OUT 4+ 21
OUT 4– 23
+
–
–
IC401 LV56831P-E
NC
1
NC
4
NC
7
VCC
8
VCC1
9
AUDIO_EN
2
REG_EN
10
IKREG
11
AMP_EN
12
AMP
13
GND
14
AUDIO
3
+
–
VDD
5
IKVDD
6
REG
15
+
–
+
–
+
–
START
UP
VREF
OVER VOLTAGE
PROTECTION
THERMAL
SHUTDOWN
OUTPUT
CONTROL
IC402 S-1142B90I-E6T1U
VOUT 1
ON/OFF 3
VIN
6
NC
4
VSS
5
VSS 2
+
–
–
OVERCURRENT
PROTECTOR
THERMAL
SHUTDOWN
REFERENCE
VOLTAGE
ON/OFF
CONTROL
IC501 OZ529IGN-A1-TR
BST 1
LX 2
FLT_USB
9
VIN 3
EN_SYS 4
USBOUT 5
ISET_USB
10
RT
15
VREF
16
FB_USB 6
USBIN
2V
UVLS
7
SYNC 8
GNDA
14
VIC_USB
11
SS_SYS
13
EN_USB
12
HDR
+
OSCILLATOR
REFERENCE
GENERATOR
OVER CURRENT
PROTECTION
VS
SEL
Q
S
R
R
ADJUSTMENT
GENERATOR
CHARGE
PUMP
OVER-CURRENT
LIMIT
USB FAULT
PROTECITON
VOUT_SYS (USBIN)
FAULT PROTECTION
+
–
+
–
+
–
+
–
–
– KEY Board –
IC901 PT6586-LQ
1 2 3 4 5 6 7 8 9 10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
38
39
40
41
42
43
44
45
46
47
48
COM3
COM4
COM4
SEG35
OSC
CS
CLK
SI
VDD
VLCD1
VLCD2
VSS
SEG1/GP1
SEG2/GP2
SEG3/GP3
SEG4/GP4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
COM2
COM1
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEGMENT
DRIVER & LA
TCH
SHIFT
REGISTER
COMMON
DRIVER
CLOCK
GENERATOR
ADDRESS
DETECTOR
INHB
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