Sony DSX-A55BT / DSX-A55BTE Service Manual ▷ View online
DSX-A55BT/A55BTE
DSX-A55BT/A55BTE
21
21
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Waveforms
– MAIN Board –
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
and
1
/
4
W or less unless otherwise
specifi ed.
• f : internal component.
• C : panel designation.
• C : panel designation.
• A : B+ Line.
• Power voltages is dc 14.4V and fed with regulated dc
• Power voltages is dc 14.4V and fed with regulated dc
power supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM)
( ) : BT AUDIO
[ ] : BT PHONE
• Voltages are taken with a VOM (Input impedance 10 M
( ) : BT AUDIO
[ ] : BT PHONE
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
f :
TUNER
d :
USB
E :
AUX
a :
Bluetooth
N :
MIC
• Abbreviation
AR :
AR :
Argentina
model
EA
: Saudi Arabia model
IND
: Indian model
MX
: Mexican model
RU
: Russian model
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Indication of transistor.
C
B
These are omitted.
E
Q
Note 2: When the complete MAIN board is replaced, it is
necessary to confi rm operation. Refer to “BLUE-
TOOTH FUNCTION CHECKING METHOD US-
ING A CELLULAR PHONE” on page 5.
TOOTH FUNCTION CHECKING METHOD US-
ING A CELLULAR PHONE” on page 5.
Note 1: When the complete MAIN board is replaced, the
destination setting is necessary. Refer to “NOTE OF
REPLACING THE COMPLETE MAIN BOARD
OR SYSTEM CONTROLLER (IC101)” on page 4.
REPLACING THE COMPLETE MAIN BOARD
OR SYSTEM CONTROLLER (IC101)” on page 4.
1
IC201 ug (X12OUT)
2 V/DIV, 50 ns/DIV
83 ns
2.7 Vp-p
2
IC101 9 (XOUT)
2 V/DIV, 20
Ps/DIV
30.4
Ps
2.7 Vp-p
3
IC101 qa (OSCOUT)
2 V/DIV, 50 ns/DIV
126 ns
3.5 Vp-p
4
IC501 1 (BST)
10 V/DIV, 2
Ps/DIV
2.4
Ps
16.4 Vp-p
• Abbreviation
AR :
AR :
Argentina
model
EA
: Saudi Arabia model
IND
: Indian model
MX
: Mexican model
RU
: Russian model
Note 2: When the complete MAIN board is replaced, it is
necessary to confi rm operation. Refer to “BLUE-
TOOTH FUNCTION CHECKING METHOD US-
ING A CELLULAR PHONE” on page 5.
TOOTH FUNCTION CHECKING METHOD US-
ING A CELLULAR PHONE” on page 5.
Note 1: When the complete MAIN board is replaced, the
destination setting is necessary. Refer to “NOTE OF
REPLACING THE COMPLETE MAIN BOARD
OR SYSTEM CONTROLLER (IC101)” on page 4.
REPLACING THE COMPLETE MAIN BOARD
OR SYSTEM CONTROLLER (IC101)” on page 4.
Ver. 1.1
DSX-A55BT/A55BTE
DSX-A55BT/A55BTE
22
22
5-3. PRINTED WIRING BOARD - MAIN Section (1/2) -
•
: Uses unleaded solder.
1
30
80
51
31
50
100
81
76
100
50
26
51
75
3
1
4
6
25
1
9
16
8
1
1
R403
R404
R210
R211
R405
R212
R407
R213
R214
R215
R216
R601
R219
R602
R603
R604
R605
R606
R607
R608
R220
R609
CAM251
R221
R222
R803
R610
R611
R612
R233
R234
R235
R236
R236
C206
R242
R243
R244
R245
R246
R247
C404
X201
C212
C213
C214
C409
R252
C216
C218
C219
C601
C602
R257
C603
C604
C605
C411
C606
C607
C220
C608
C221
C609
C223
R261
C225
C226
C227
R264
C610
C228
C611
C229
C612
C613
C614
C615
C616
C617
C618
C231
C232
C233
R270
C234
R271
C235
R272
C236
R273
C237
R274
C238
C620
R275
C239
C240
C241
C244
C245
C250
C252 C161
C255
C256
Q101
C259
Q102
Q103
Q104
Q106
C260
C261
Q109
C263
Q304
Q110
IC201
L501
L502
CAM101
IC402
IC601
IC602
IC603
FB301
FB302
R101
R105
R106
R107
R301
R302
R303
R304
R305
R111
R306
R112
R307
R308
R114
R309
R115
R116
R117
R118
R501
R502
R503
R310
R504
R311
R505
R312
R506
R313
R507
R314
R508
R315
R509
R316
R317
R318
R319
R513
R514
R320
R321
R516
R322
R323
R324
R323
R324
R130
R325
R131
R326
R132
R327
R133
R328
R329
R138
R139
R330
R331
C101
R332
C102
R333
R334
R140
C105
R335
R336
C106
R143
C301
R149
C302
C303
C304
C110
C305
C306
C308
C309
R152
R153
R154
R154
C119
R155
C502
R156
R157
C310
C504
R158
C505
R159
C313
C314
C508
CL201
C509
CL202
C122
C317
CL203
R160
C319
CL011
R161
R162
CL012
CL013
C510
CL014
C511
CL015
R165
CL016
C513
R167
CL017
C320
C514
CL018
R168
C321
C515
R169
CL019
C322
C516
C323
C517
C518
C324
R360
C325
C327
C326
C328
CL020
C329
CL021
R171
C136
R172
CL022
CL023
R173
CL024
R174
R175
R176
R177
R179
C143
R180
C144
R181
R183
R184
C149
R185
R186
R187
C340
R189
C150
C151
C152
R190
C348
C155
R191
C349
R193
R194
R195
R197
R198
C350
R390
C160
D106
D107
D114
D115
D116
L201
D501
IC101
IC102
IC105
IC301
IC302
IC303
CAM201
IC501
FB201
FB202
R200
R202
R203
R204
R205
L251
R206
R207
R208
R209
1
8
CN101
C159
C162
MAIN BOARD
(COMPONENT SIDE)
E
E
E
A
K
E
E
E
E
A
A
A
K
K
K
K
A
E
A
K
(CHASSIS)
(CHASSIS)
(CHASSIS)
1
2
4
3
1
3
5
4
1
4
8
5
1
4
8
5
1
4
8
5
1
4
8
5
1
3
5
4
1
3
5
4
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
(NC)
(EA)
1-889-210-
11
(11)
11
(11)
1-889-211-
11
(11)
11
(11)
11
(EA, RU)
E, MX,
AR, IND
Note 1: When IC101 on the MAIN board is replaced, the destination setting is necessary. Refer to “NOTE OF
REPLACING THE COMPLETE MAIN BOARD OR SYSTEM CONTROLLER (IC101)” on page 4.
Note 2: IC603 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
Ver. 1.1
DSX-A55BT/A55BTE
DSX-A55BT/A55BTE
23
23
5-4. PRINTED WIRING BOARDS - MAIN Section (2/2) -
•
: Uses unleaded solder.
1
4
10
18
1
9
14
1
15
2
1
25
24
2
1
8
1
15
14
2
C401
IC401
JS001
CN102
CN103
A002
L401
IC304
R804
R229
AB101
C403
C406
C407
C408
C410
R259
C412
R260
R262
R263
C623
Q301
Q302
Q303
Q305
D401
D402
D403
D404
D405
D601
C291
FB101
FB102
FB103
FB303
R337
R339
R340
R341
R342
R343
R344
R345
JL101
JL102
JL103
JL104
JL105
JL106
JL107
C318
JL108
R356 C330
C332
C336
C337
C338
C339
C335
C347
C157
C158
C355
D309
D310
D311
W001
W002
J303
(ANTENNA IN)
J301
J101
(REMOTE IN)
FU101
X101
TU252
TUX-DSP03
(TUNER UNIT)
CN201
J304
C341
X102
X102
MAIN BOARD
(CONDUCTOR SIDE)
E
E
K
A
E
E
A
K
L
R
REAR
L
R
FRONT
AUDIO OUT
AUX
KEY
BOARD
BT
BOARD
MIC601
ANT601
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
1
9
17
18
19
16
8
WR1
(EXCEPT EA)
(E, MX, AR, IND)
(EA)
1-889-210-
11
(11)
11
(11)
1-889-211-
11
(11)
11
(11)
(EA, RU)
(E, MX, AR, IND)
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
MAX 0.3 A
BLU / WHT
PW1
12
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, EA, MX, IND)
(AR, RU)
Note 3: When the complete BT board is replaced, it is necessary to confi rm operation. Refer to “BLUETOOTH
FUNCTION CHECKING METHOD USING A CELLULAR PHONE” on page 5.
Note 2: When the BT board is defective, exchange
the complete mounted board.
Note 1: When the KEY board is defective, exchange the
FRONT PANEL ASSY (Ref. No. FP1).
Ver. 1.1
DSX-A55BT/A55BTE
DSX-A55BT/A55BTE
24
24
5-5. SCHEMATIC DIAGRAM - MAIN Section (1/3) -
• See page 21 for Waveforms. • See page 27 for IC Block Diagrams. • See page 29 for IC Pin Function Description.
Note: IC603 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
(3/3)
BOARD
1
MAIN
(2/3)
BOARD
2
MAIN
IC B/D
1
(4.6) [4.6]
(4.6) [4.6]
(4.6) [4.6]
(4.6) [4.6]
(4.6) [4.6]
(4.6) [4.6]
(8.5) [8.5]
4.6
4.6
4.6
8.5
4.6
4.6
4.6
4.6
4.6
4.6
8.5
4.6
4.6
4.6
4.6
4.6
4.6
8.5
4.6
4.6
4.6
0
0
0
0
0
0
0
0
0
1.6
3.3
2.5
5
2.3
1.6
8.5
5
8.5
3.3
3.3
3.3
0
3.3
1.5
0
0
0
3.3
1.6
3.3
1.6
1.6
1.6
1.6
1.6
(1.6) [1.6]
(1.6) [1.6]
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
3.3
3.3
1.5
0
3.3
3.3
3.2
3.2
0
0.1
0
3.2
0
0
3.3
0
0
0
1.6
3.3
1.6
1.8
3.3
3.3
220
R330
220
R333
220
R326
220
R329
0
R260
0
R262
0
R263
X201
12MHz
1
2
CL203
1
C339
1
C335
L201
3
1
2
4
4.7k
R314
R320
10k
R311
10k
1
C228
1
C225
10
R321
10
R318
R309
10k
C610
2.2
C611
2.2
C612
2.2
C613
2.2
10
C314
10
C313
10
C310
10
C317
10
C305
10
C306
10
C309
4.7uH
L251
CL201
CL202
IC303
BA4560RFVM-TR
1
2
3
4
V–
5
6
7
8
V+
IC602
BA4560RFVM-TR
1
2
3
4
V–
5
6
7
8
V+
10
C256
R514
10
10k
R327
10k
R328
10k
R331
10k
R332
47k
R236
47k
R235
47k
R234
47k
R233
10
C235
10
C234
3300p
C240
220p
C241
4V
47
C221
J304
IC302
BA4560RFVM-TR
1
2
3
4
V-
5
6
7
8
V+
IC301
BA4560RFVM-TR
1
2
3
4
V–
5
6
7
8
V+
R302
10k
C338
1000p
C336
1000p
1
C337
1
C347
FB201
12k
R301
12k
R308
12k
R319
12k
R310
100k
R312
100k
R315
100k
R307
R304
100k
220p
C304
220p
C301
220p
C303
220p
C308
4.7k
R343
R341
4.7k
10k
R344
10k
R342
12p
C238
12p
C232
330
R261
4V
220
C218
1
2
3
4
4P
CN201
1
C255
12k
R317
10k
R316
R611
33k
R610
33k
FB302
FB303
FB202
2.2
C223
3.9k
R340
3.9k
R345
FB301
C623
*
R606
33k
R607
33k
NJM2884U2-05(TE2)
IC603
1
CONT
2
GND
3
NC
4
VOUT
5
VIN
1000p
C291
10V
100
C245
D309
DZ2J068M0L
LC786800E-06US-H
IC201
1
LFOUT
2
LROUT
3
LV
R
IN
4
DACOUT_L
5
DACOUT_R
6
RV
R
IN
7
RROUT
8
RFOUT
9
L1_IN
10
R1_IN
11
L2_IN
12
R2_IN
13
L3_IN_P
14
L3_IN_N
15
R3_IN_P
16
R3_IN_N
17
A
TEST01(OPN)
18
A
TEST02(OPN)
19
VREFOUT
20
VREF_ADC
21
A
VSS2
22
AV
D
D
2
23
NC
24
NC
25
NC
26
NC
27
NC
28
NC
29
NC
30
NC
31 DVDD
32 DVSS
33 NC
34 NC
35 NC
36 NC
37 NC
38 NC
39 NC
40 NC
41 DVDD
42 DVSS
43 REG1_EXTR(OPN)
44 DVDD15
45 iTXD
46 iRXD
47 SMONI
48 NC
49 DVDD
50 DVSS
51
RESETB
52
SIFCK
53
SIFDI
54
SIFDO
55
SIFCE
56
BUSYB
57
NC
58
NC
59
NC
60
NC
61
NC
62
USBINS1
63
NC
64
NC
65
NC
66
DVSS
67
DVDD
68
UDM1
69
UDP1
70
DVSS
71
UDM2
72
UDP2
73
XVDD
74
X12IN
75
X12OUT
76
XVSS
77
AFIL
T
78
VVDD2
79
VVDD3
80
DVSS
81
DVDD
82
CP-SCL
83
CP-SDA
84
CP-nRES
85
NC
86
CMDERR
87
TEST0(GND)
88
DVDD
89
DVSS
90
DVDD15
91
JTRSTB(IPD)
92
JTCK(IPD)
93
JTDI(IPD)
94
JTMS(IPU)
95
JTDO(O)
96
JTRTCK(O)
97
TEST1(GND)
98
AVDD1
99
AVSS1
100
LRREF
RF_ANT_IN
RF_GND_B
AUDIO_OUT_L
AUDIO_OUT_R
RSTN
SCL
SDA
+5V
RF_GND_PLATE1
POWER_GND_PLATE1
RF_GND_A
AUDIO_GND
POWER_GND
TU252
R259
1000p
C620
J303
C233
1
C239
1
C237
1
0
R339
C355
0.1
0.1
C348
0.1
C261
0.1
C244
R270
2.2k
R271
2.2k
15k
R246
15k
R247
0
R272
0
R273
0
R274
0
R275
0.1
C229
0.1
C236
0.1
C216
0.1
C206
0.1
C213
0
R205
C214
10
0.1
C212
0.1
C250
(EXCEPT EA)
0.1
C263
1000p
C260
R229
0
10
C259
0
R257
0
R252
4.7k
R264
15
R243
5p
C226
5p
C227
15k
R244
15k
R245
15
R242
0.1
C220
0.1
C219
C616
100p
R604
22k
R609
22k
R605
22k
R608
22k
C614
100p
C615
100p
C618
0.1
C617
100p
C231
1
4.7k
R305
0.1
C302
4.7k
R306
4.7k
R313
47k
R360
BT_RCH_P
BT_RCH_N
BT_LCH_P
BT_LCH_N
HIT2_SDA
HIT2_SCL
HIT2_RST
CMD_ERR
CE
BUSY
SDI
SDO
SCK
SYSRST
USB_IN
WDT_MON
AUDIO DSP, ELECTRICAL VOLUME
IC201
+5V REGULATOR
IC603
MAIN BOARD (1/3)
6
2
4
3
1
5
7
9
8
23
26
24
25
21
22
IC602
MIX AMP
IC301
LINE AMP
IC303
CENTER VOLTAGE GENERATOR
IC302
LINE AMP
MUTING
MUTING
USB CONTROLLER, INPUT SELECTOR,
D311
D310
AB101
(CHASSIS)
(CHASSIS)
CAM251
CAM201
(ANTENNA IN)
AUX
TUX-DSP03
(TUNER UNIT)
R
L
FRONT
REAR
R
L
AUDIO OUT
J301
4P
MUTING
MUTING
15
6
12
J
17
3
G
K
13
4
F
5
2
M
7
N
C
H
I
11
14
16
E
9
L
B
8
A
10
D
18
1
*C623
0.1 (EXCEPT EA)
0.047 (EA)
Q301
LTC014TUBFS8TL
Q302
LTC014TUBFS8TL
Q305
LTC014TUBFS8TL
Q303
LTC014TUBFS8TL
0.1
C341
(Page 25)
(Page 26)
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