Schematic Diagram - Digital Board (3/5) - Sony UDA-1 Service Manual

5-8.

SCHEMATIC DIAGRAM - DIGITAL Board (3/5) -

1 2 3
DIGITAL BOARD
A
B >105S DAC_LRCK_DSDR
DAC_DATA_DSDL
DIGITAL
BOARD DAC_BCK
(1/5)
DAC_MCLK
(Page 31)
CN304
11P
CL362
DAC_MCLK 1
C
DGND 2
CL363
DAC_BCK 3
CL364
DAC_DATA_DSDL 4
>02S CL365
DAC_LRCK_DSDR 5
CL309
DAC
DAC_ZERO_DATA 6
CL305
BOARD
DAC_I2C_SCL 7
CN404
CL307
(Page 39)
DAC_I2C_SDA 8
CL310
DAC_RESET 9
CL367
D
EQ_SW 10
CL372
AUTOSTBY_SW 11
E
>109S
BUS2
D_GND
DIGITAL
D3.3V
BOARD
(4/5)
(Page 34)
R389
2.2k
F
R388
2.2k
G
RST
FAN_ENABLE
FAN_CONT1
FAN_CONT2
H
C307 R314
0.001 10k
FS_SDA
FS_SCL
>110S
MU_MD0
FUSB_RX_TO_FS
DIGITAL
BOARD PWR_LED_FS
(5/5)
FUSB_UART_TO_FM3
I (Page 35)
D5V
0
MU_UPDATE_START
Q301
PDTC114ET
INVERTER
R313
1k
MD0
C308
0.001
J
CN305
12P
STB+3.3V 1
STB_GND 2
D5.0V 3
DGND 4
CL344
LED_LAT
>03S
LED_LAT 5
CL345 LED_DATA
LED_DATA 6
FRONT-L CL346 LED_CLK
K LED_CLK 7
BOARD
CL347
LED_CE
CN401
LED_OE 8
(Page 43) CL348
AD_KEY1
AD_KEY1 9
CL349
CIRCS 10
CL350
POWER_KEY
POWER_KEY 11
CL382
PWR_LED_FS
POWER_LED 12
L
D3.3V
>104S
CPU_MUTE
DIGITAL
XAMUTE
BOARD
XLINE_OUT_MUTE
(1/5)
(Page 31) DSD_SEL
M
UDA-1
• See page 38 for Waveforms. • See page 48 for IC Block Diagrams. • See page 55 for IC Pin Function Description.
4 5 6 7
(3/5)
JR302 C313 C317 C322
0 47 0.1 0.1
4V
R394
10k
C340
0.001
R702 100
2 1
IC308
R703
C339
100
0.001
RESET SIGNAL GENERATOR
IC308
BU4229F-TR
3 4
C333
0.1
25 24 23 22 21
R378
10k
3.3
26 VCC
CL308 R323 100 0
27 DSP_INT
R701 22k
CL374
28 NC
CL306
3.3
29 DSP_RST
R700 10k
CL375
30 NC
R391 100
3.3
31 FS_SDA
R390 100
3.3
FS_SCL
32
C311 4.7 1.2
C312
33 C
0.001
34 VSS
3.3
35 VCC
CL311
3.3
36 DSD_SEL
CL304
3.3
37 DSP_CE
R326 2.2k
38 INITX
CL302 R318 100
0
39 DSP_MISO
CL303 3.3
40 DSP_MOSI
CL301 3.3
41 DSP_SPICLK
R320
CL378
100 42 NC
0
43 FAN_CONT0
0
44 FAN_CONT1
0
45 FAN_CONT2
0
46 PE0/MD1
0
47 MD0
48 X0
1.5
49 X1
50 VSS
R328
1M
2
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
3.2
X301
4MHz
R327
1.5k
C309 R315
0.1 10k
C334 C316 C314 C335 C321
0.1 0.1 0.1 47 0.1
4V
D302
FB301 FB302
DA2J10100L
SIRCS
8 9 10 11
IC307
EEPROM
IC307
R1EX24032ASAS0A
R392 R376 R375
100 10k 3.3k
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
C337 C330 C325
0.1 0.1 0.1
VSS 100
CL388
NC 99
CL387
NC 98
3.3
VCC 97
R384 10k
0
NC(PULL DOWN) 96
R361 100
3.3
E2P_SDA 95
R362 100
3.3
E2P_SCL 94
R363
NC 93 CL386
100
0
HP_DET 92
R365 100
3.1
POWER_RY 91
0
AC_CUT 90
IC306
R360 100
3.3
PROTECT 89
0
SYSTEM CONTROLLER M_VOL DOWN 88
0
IC306
M_VOL UP 87
MB9AF156NPMC-G-JNE2
3.2
CS 86
0 R377 100
VOL DATA 85
R319 100
3.3
EVOL_CLK 84
0
EVOL_DATA 83
3.2
LINE_OUT_MUTE 82
R368 100
3.3
TDO 81
R369 100
3.3
TMS 80
3.3 R370 100
TDI 79
1
TCK 78
R366
CL385
NC 77 100
3.3
VCC 76
R355
100
C318 C324
0.1 0.1
R399
R332 R385 R345 R359
1M
10k 10k 10k 10k
33 33
12 13 14 15
XAMUTE
CS
EVOL_CLK
EVOL_DATA
PROTECT
SPK_RY
HP_RY
HP_DET
TEMP1
2 1
3 A_SEL1
D303
C338
RB551V-30TE-17
0.001
SP_LEVEL
XLINE_OUT_MUTE
6
MVOL_UP
MVOL_DOWN
VOL_DATA
FAN_ENABLE
C327 C328
FAN_CONT1
0.1 0.1
FAN_CONT2
C329
0.1
R373
10k
HP_DET
R364 3.3k
R372 10k
R367 10k
PROTECT
C326 0.1
MVOL_DOWN
R353 10k
MVOL_UP
R354 10k CS
R352 10k VOL_DATA
C336 0.001
EVOL_CLK
EVOL_DATA
R397 10k R398 100
R382 10k
CL358
R383 10k
CL359
CL360
CL361
R371
10k
HP_RY
SPK_RY
XAMUTE
XLINE_OUT_MUTE
MD0
RST
SP_LEVEL
A_SEL1
PROG_SCK
TEMP1
D301
DA2J10100L
PROG_MURX
PROG_MUTX
PROG_MUTX
16 15 14 13 12 11 10 9
IC309
DATA SELECTOR
IC309
TC74VHC157FT(EKJ)
1 2 3 4 5 6 7 8
UDA-1
16
CN303
15P
CL312
1 XAMUTE
CL313
2 CS
CL314
3 COM_CLK
CL315
4 COM_DATA
CL317
5 PROTECT
CL319
6 SP_RY
CL321 >04S
7 HP_RY
CL323
8 HP_DET AMP
CL325
BOARD
9 TEMP1
CN215
CL327
(Page 37)
10 A_SEL2
CL329
11 A_SEL1
CL392
12 D3.3V
13 DGND
CL331
14 SP_LEVEL (NOT USED)
CL389
15 XLINE_OUT_MUTE
>108S
DSD_DET
DIGITAL
BOARD
(2/5)
(Page 32)
CN308
8P
CL334
1 F IN
CL333
2 R IN
CL336
>05S
3 VR signal
4 STBY+3.3V
DCDC
5 STBY_GND BOARD
CL379
CN190
6 FAN_CONT0
(Page 45)
CL380
7 FAN_CONT1
CL381
8 FAN_CONT2
CN306
7P
1 D5V
CL340
2 D5V
CL341 >06S
3 DGND
CL342
4 STB+3.3V DCDC
CL343
BOARD
5 STB_GND
CN153
CL391
(Page 45)
6 PW-RY
CL390
7 AC CUT
>111S
FS_XRESET
FS_INT DIGITAL
BOARD
(5/5)
(Page 35)
CN302
7P
CL357
1 MD0
CL356
2 XRESET
CL355
3 TX
CL354
4 SCK (NC)
CL353
5 RX
CL352
6 GND
CL351
7 +3.3V
D5V
>101S
LINE_OUT_MUTE
BUS1 DIGITAL
BOARD
D_GND
(1/5)
(Page 31)