Schematic Diagram - Main Section (1/3) - Sony DSX-A40UE Service Manual

DSX-A40UE/A40UI/A42UI
4-5.
A
D
G
H
K
M
N
DSX-A40UE/A40UI/A42UI

SCHEMATIC DIAGRAM - MAIN Section (1/3) -

1 2 3 4
MAIN BOARD (1/3)
B
C
R326
220
C310
10
R301 C301
12k 220p
R302 C231
10k 1
E
1
2
3
1
4
5
MAIN
BOARD
6
(3/3)
7
(Page 18)
F
8
9
FB202
30
R205
0
3.3
31 DVDD
32 DVSS
33 NC
I 34 NC
35 NC
36 NC
37 NC
38 NC
39 NC
40 NC
3.3
41 DVDD
J
42 DVSS
C212
43 REG1_EXTR(OPN)
0.1
1.5
44 DVDD15
CL201
45 iTXD
C214
CL202
46 iRXD
10
0
47 SMONI
48 NC
3.3
49 DVDD
50 DVSS
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
L
2
23
24
MAIN C213 C206 C216
25
BOARD 0.1 0.1 0.1
(2/3) 26
(Page 17)
• See page 13 for Waveforms. • See page 19 for IC Block Diagrams. • See page 21 for IC Pin Function Description.
5 6 7 8
Q301 Q302
LTC914TUBFS8TL LTC914TUBFS8TL
MUTING MUTING
0 0
0 0
R327 R328
10k 10k
C302
0.1
IC303
R329
CENTER VOLTAGE GENERATOR
IC301 220
BA4560RFVM-TR
LINE AMP
C313
4.6
IC301 10
1
BA4560RFVM-TR
4.6
4.6 8.5 2
1 V+ 8
4.6
4.6 4.6 3
2 7
C303 R308
220p 12k
4.6 4.6 4 V–
3 6
R305
4.7k 4.6
4 V– 5
R306
R304 R307 R309
4.7k
100k 100k 10k
R360
C218 C219 C233
47k
220 0.1 1
4V
C221
47
4V
C269
47p
C220
C237
0.1
1
C268
47p
R272
0
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LRREF 100
AVSS1 99
AVDD1 98
TEST1(GND) 97
JTRTCK(O) 96
JTDO(O) 95
JTMS(IPU) 94
JTDI(IPD) 93
IC201
JTCK(IPD) 92
USB CONTROLLER, INPUT SELECTOR, JTRSTB(IPD) 91
AUDIO DSP, ELECTRICAL VOLUME
DVDD15 90
IC201
LC786800E-06US-H
DVSS 89
DVDD 88
TEST0(GND) 87
CMDERR 86
NC 85
CP-nRES 84
CP-SDA 83
CP-SCL 82
DVDD 81
1
C223 C236 C229 C275 C267
2.2 0.1 0.1 47p 47p
16 16
9 10 11 12
Q303 Q305
LTC914TUBFS8TL LTC914TUBFS8TL
MUTING MUTING
0 0
0 0
R331 R332
10k 10k
C306
10
C305 R330
10 220
C314 IC302
IC303 10
LINE AMP
8.5
R310 C304 IC302
V+ 8
R312 12k 220p BA4560RFVM-TR
100k
4.6
7 4.6 8.5
1 V+ 8
4.6
R316
6 4.6 4.6
C309
10k
2 7
10
R313
4.6
4.7k
5 4.6 4.6
3 6
R317
12k
4.6
4 V- 5
R321 R311
10 10k
R252 0
R257 0
R260 0
HIT2_RST
HIT2_SCL R262 0
R263 0
HIT2_SDA
C239 L251
1 4.7uH
C245
100 C620
10V 1000p R345
IC B/D
3.9k
5 4
IC603
C250 C623
R344
0.1 0.1
10k R343
4.7k
+5V REGULATOR
IC603
C264 C348
NJM2884U2-05(TE2)
47p 0.1
R341
4.7k
1 2 3
C265 R342
47p 10k
R340
3.9k
C263
0.1
1.6
C255 C259
1 10
3.3
C290 R292
0.1 0
R233
47k
3.3
R234 47k
0
R235 47k
0
0 R236 47k
C266
47p
C256 10
1.5
IC202
3.3
EEPROM
IC202
MFI337S3959
0
C261
0.1
R270
2.2k
3.3
1 GND VCC 8
3.3 3.3
2 SDA RST 7
3.3 3.3
3 NC SCL 6
3.3
4 NC NC 5
R271
2.2k
X201
12MHz
2
R261 R264
330 4.7k
C244
1
0.1
C232 C238 C240 C241
12p 12p 3300p 220p
C226 C227 R245 R244
5p 5p 15k 15k
R243
15
R242
15
Note: IC603 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
13 14 15
J302
2P
R
REAR
AUDIO OUT
L
C355
0.1
R333
220
C317
10
C308 R319 R339
220p 12k 0
R314
4.7k
R318 R315 R320
10 100k 10k
TU252
TUX-DSP03
(TUNER UNIT)
AB101 RF_GND_PLATE1
R259
0
RF_ANT_IN
RF_GND_A
RF_GND_B
1.6
AUDIO_OUT_L
1.6
AUDIO_OUT_R
3.3
RSTN
2.5
SCL
AUDIO_GND
2.3
SDA
POWER_GND
5
+5V
POWER_GND_PLATE1
J303
(ANTENNA IN)
FB301
C338
1000p
J304
FB303
AUX
C336
1000p
FB302
C341
C291
0.1 D310 D311
1000p
R229
0
C260
1000p
C277
47p
CAM201
(CHASSIS)
CAM251
(CHASSIS)
CN201
4
4P
3
2
3 1
1
L201
4 2
FB201