Sony DSX-A35U / DSX-A35UE Service Manual ▷ View online
DSX-A35U/A35UE
DSX-A35U/A35UE
13
13
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM - MAIN Section -
1
9
J302
CN102 (1/2)
69
1
UDP1
LFOUT
4
DACOUT_L
POWER AMP
IC304
12
5
IN_FL
FL+
FL–
FL+
3
FL–
9
RL+
7
RL–
11 IN_RL
2
LROUT
56
ATT
68 UDM1
3 LVRIN
13 L3_IN_P
3
2
1
D+
D–
VBUS
USB VBUS
CN201
14 L3_IN_N
X12OUT
9 L1_IN
54
20
45 HIT2_SDA
46 HIT2_SCL
47 HIT2_RESET
46 HIT2_SCL
47 HIT2_RESET
R-CH
J304
J303
(ANTENNA IN)
AUX
TU252
TUX-DSP03 (TUNER UNIT)
RF_ANT_IN
AUDIO_OUT_L
AUDIO_OUT_R
SDA
SCL
RSTN
R-CH
SIFDO
SDI
53
22
SIFDI
SDO
52
21
SIFCK
SCK
55
19
SIFCE
CE
22
MUTE
16
AC_GND
4
STBY
56
17
BUSYB
BUSY
86
16
CMDERR
CMD_ERR
62
23
USBINS1
USB_IN
47
25
SMON1
WDT_MON
51
18
RESETB
SYSRST
LINE AMP
IC302
MUTING
Q305
MUTING
Q303
X201
12MHz
75
74 X12IN
CENTER VOLTAGE
GENERATOR
IC303
+8.5V
MUTING
CONTROL
Q109, 110
57
AMP_MUTE
26
BEEP
58
AMPSTB
R-CH
4
12
FR+
FR–
2
10
RL+
RL–
R-CH
R-CH
3
11
RR+
RR–
R-CH
R
REAR
AUDIO OUT
L
MUTING
SWITCH
SWITCH
Q304
: USB
: TUNER
: AUX
SIGNAL PATH
: AUDIO
R-ch is omitted due to same as L-ch.
USB CONTROLLER, INPUT SELECTOR,
AUDIO DSP, ELECTRICAL VOLUME
IC201
SYSTEM CONTROLLER
IC101 (1/2)
DSX-A35U/A35UE
DSX-A35U/A35UE
14
14
4-2. BLOCK DIAGRAM - DISPLAY/POWER SUPPLY Section -
REGULATOR
IC401
DC/DC CONVERTER
IC501
5
8
VDD (BACKUP5V)
VCC
9
FL
T_USB
12
EN_USB
4
EN_SYS
8
SYNC
16
18
CN102 (2/2)
3
VIN
9
VCC1
13
AMP12V
+B
FU101
19
5
AMP-REM
3 AUDIO 8.5V
2 AUDIO_EN
2 AUDIO_EN
6
ANT-REM
7
ACC
SYSTEM CONTROLLER
IC101 (2/2)
J101
(REMOTE IN)
X101
32.768kHz
88 RCIN1
80 RE-IN1
79 RE-IN0
79 RE-IN0
1 NOSE_SW
9 XOUT
8 XIN
2 SIRCS
92 KEYIN1
93
93
87
KEYIN0
SYS_ON
95 RC_IN0
99 LCD_SO
100 LCD_CLK
98 LCD_CE
89
FLT_USB
74
AUDIO_EN
73
SYS_EN
10
RESET
90
KEYACK0
KEYACK1
KEY BOARD
LCD_DATA
LCD_CLK
LCD_CE
SIRCS
KEY_1
KEY_0
KEY_0
RE_1
RE_0
RE_0
PANEL_SW
X102
7.92MHz
X102
7.92MHz
11 OSCOUT
13 OSCIN
+3.3V
REGULATOR
IC102
RESET SIGNAL
GENERATOR
IC105
B+ SWITCH
Q102
SYS+3.3V
+5V
REGULATOR
IC603
TU+5V
59
ILL_ON
+9V
REGULATOR
IC402
ILL+9V
AUDIO+8.5V
15 REG 3.3V
10 REG_EN
10 REG_EN
72
AMP_REM
48
EN_USB
24
SYNC_OUT
51
EN_SYS
50
12 AMP_EN
2 LX
7
USBIN
5 USBOUT
VDD+3.3V
USB VBUS
ACC_IN 55
BU_IN 66
BU B+
BU+3.3V
D404
D107
D106
BATTERY
CHECK
Q103
ACCESSORY
CHECK
Q106
BACK UP
VOLTAGE DETECT
Q101, 104
(E, MX, AR, IND, RU)
(EA)
: Mexican model
Abbreviation
MX
: Russian model
RU
: Saudi Arabia model
EA
: Argentina model
AR
: Indian model
IND
Ver. 1.1
DSX-A35U/A35UE
DSX-A35U/A35UE
15
15
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)
• Voltages are taken with a VOM (Input impedance 10 M
• 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
• 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: 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.
Note: 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
Ver. 1.1
DSX-A35U/A35UE
DSX-A35U/A35UE
16
16
4-3. PRINTED WIRING BOARD - MAIN Section (1/2) -
•
: Uses unleaded solder.
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.
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
R219
R220
CAM251
R221
R222
R803
R802
R233
R234
R235
R236
R236
C206
R242
R243
R244
R245
R246
R247
C404
X201
C212
C213
C214
C409
R252
C216
C218
C219
R257
C411
C220
C221
C223
R261
C225
C226
C227
C228
C229
R801
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
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
R320
R321
R516
R322
R323
R324
R323
R324
R130
R325
R131
R326
R132
R327
R133
R328
R329
R139
R330
R331
C101
R332
C102
R333
R334
R140
C105
R335
R336
C106
R143
C301
C302
C303
C304
C110
C305
C306
C308
C309
C119
C502
R157
C310
C504
C505
R159
C313
C314
C508
CL201
C509
CL202
C122
C317
CL203
R160
C319
CL011
R161
R162
CL012
CL013
C510
CL014
C511
CL015
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
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
R264
MAIN BOARD
(COMPONENT SIDE)
E
E
E
A
K
E
E
E
E
A
A
A
K
K
K
K
A
E
A
K
1-889-210-
11
(11)
11
(11)
1-889-211-
11
(11)
11
(11)
(CHASSIS)
(CHASSIS)
(CHASSIS)
1
2
4
3
1
3
5
4
1
4
8
5
1
4
8
5
1
4
8
5
1
3
5
4
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
(NC)
(EA)
(E, MX, AR, IND, RU)
(EA)
(E, MX, AR, IND, RU)
Ver. 1.1
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