Schematic Diagram - Front Section - Sony UDA-1 Service Manual

5-18. SCHEMATIC DIAGRAM - FRONT Section -

1 2
FRONT-L BOARD
A
D401
1L0353W34A0MKT01
USB REAR
C402
0.1
B
R404
2.2k
0
3.2
Q401
S401 S402 PDTC114ET
LED DRIVE
/ INPUT
C
SELECTOR
CL401
D
E
F
G
H
I
FRONT-R BOARD
D500
SELS5B23C-TP15
MUTE
IC500
J REMOTE CONTROL
RECEIVER
R500
IC500 820
HM2140RS T-12M2
3 2 1
R504
10
R502
33k
K
R503
C502
100
47
16V
UDA-1
• See page 48 for IC Block Diagrams.
3 4 5 6
D402 D403 D404
1L0353W34A0MKT01 1L0353W34A0MKT01 1L0353W34A0MKT01 1L0353W34A0MKT01
USB FRONT COAXIAL OPTICAL
C403 C404 C405
0.1 0.1 0.1
R405 R406 R407
2.2k 2.2k 2.2k
2.8 2.8 2.8
0 0 0
Q402 Q403 Q404
PDTC114ET PDTC114ET PDTC114ET
LED DRIVE LED DRIVE LED DRIVE
CL402 CL403 CL404
3.7
PDTC114ET
LED DRIVE
CL407
C414
1
8 7 6 5 4 3 2 1
IC402 IC403
LED DRIVE LED DRIVE
SELECTOR SELECTOR
IC402 IC403
TC74VHC595FT(EKJ) TC74VHC595FT(EKJ)
9 10 11 12 13 14 15 16
D501
SELT5E23C-S TP15
CN500
DSEE
7P
CL500
1 STB+3.3V
C500 C501
0.1 0.1
2 NC
CL501
3 STB_GND
CL502
4 D5.0V
R501
CL504
560
5 SIRCS
CL505
6 LED_MUTE
CL506
7 LED_DSEE
7 8 9
D405 D412
SELU5423E-STP15
LINE /
C406 C413
0.1 0.1
R408 R415
2.2k 47
2.8 0.1
0 2.7
Q405 Q412
PDTC114ET PDTC114ET
LED DRIVE LED DRIVE
CL405
D410
D409 1L0353W34A0MKT01
1L0353W34A0MKT01
96/88.2
DSD
KHz
C410 C411
0.1 0.1
R412 R413
2.2k 2.2k
2.8 2.8 2.8
0 0 0 0
Q406 Q407 Q409 Q410
PDTC114ET PDTC114ET PDTC114ET
LED DRIVE LED DRIVE LED DRIVE
CL406 CL409 CL410
C419 C420 C415
220p 1000p 100p
100V
8 7 6 5 4 3 2 1
9 10 11 12 13 14 15 16
43 43
10 11 12
CN401
13P
CL413
1 STB+3.3V
2 NC
CL414
3 STB_GND
CL415
4 D5.0V
CL416
5 DGND
CL417
6 LED_LAT
CL418
7 LED_DATA
CL419
8 LED_CLK
CL420
9 LED_OE
CL421
10 AD_KEY1
CL422
11 SIRCS
CL423
12 POWER_KEY
CL412
13 POWER_LED
D411
1L0353W34A0MKT01
192/176.4
KHz
CN402
7P
C412
1 STB+3.3V
0.1
2 NC
3 STB_GND
R414
4 D5.0V
2.2k
5 SIRCS
CL425
2.8 6 LED_MUTE
CL426
0 7 LED_DSEE
Q411
PDTC114ET
LED DRIVE
CL411
C418
220p
CL424
R416
100
UDA-1
13
(Page 33)
>03S
DIGITAL
BOARD
(3/5)
CN305