Sharp DX-SX1H Service Manual page 44

DX-SX1H
IC302 VHiDSD1700E-1: DSD Converter (DSD1700E)
Pin No. Terminal Name Input/Output
1 DGND
2 VDD
3 RST
4* PHASE
5 AGND
6 VCC
7 AGND
8,9 VCC
10 AGND
11 VCC
12 AGND
13 I HN
OUT
14 I CP
OUT
15 I CN
OUT
16 I HP
OUT
17,18 AGND
19 VCC
20 AGND
21,22 VCC
23 AGND
24 VCC
25 AGND
26 DATA
27 DCK
28 SCK
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not
connected to the outside.
PHASE
DSD I/F
DATA
RST
TIMING
DSK
GENERATOR
SCK
V
DD
DGND
POWER
V
CC
AGND
— Digital ground
— Digital power supply, +5V
Input Reset control input, active at LOW
Input Select data phase
(LOW: through, HIGH: inversion)
— Analog ground
— Analog power supply, +5V
— Analog ground
— Analog power supply, +5V
— Analog ground
— Analog power supply, +5V
— Analog ground
Output Analog output from DAC (Hot negative)
Output Analog output from DAC (Cold positive)
Output Analog output from DAC (Cold negative)
Output Analog output from DAC (Hot positive)
— Analog ground
— Analog power supply, +5V
— Analog ground
— Analog power supply, +5V
— Analog ground
— Analog power supply, +5V
— Analog ground
Input Direct stream digital data input
Input Data clock input
Input System clock input
DUTY
GENERATOR
DUTY
GENERATOR
Figure 44 BLOCK DIAGRAM OF IC
Function
SHIFT
REGISTER
(HOT)
SHIFT
REGISTER
(COLD)
– 44 –
1
DGND SCK
2
V DCK
DD
3
RST DATA
4 PHASE AGND
AGND V
5
V AGND
6
CC
AGND V
7
V V
8
CC
V AGND
9
CC
AGND V
10
V AGND
11
CC
AGND AGND
12
I HN I HP
13
OUT OUT
I CP I CN
14
OUT OUT
ANALOG FIR
(HOT/P)
ANALOG FIR
(HOT/N)
ANALOG FIR
(COLD/P)
ANALOG FIR
(COLD/N)
28
27
26
25
24
CC
23
22
CC
21
CC
20
19
CC
18
17
16
15
I HP
OUT
I HN
OUT
I CP
OUT
I CN
OUT