Read Sharp HT-M700H (serv.man9) Service Manual online
HT-M700H
8 – 5
U500 VHiDA1132F/-1: 2-Channel Audio Out (DA1132F)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Terminal Name
Input/Output
Function
1*
N.C.
–
No Connection.
2
SCKI
Input
System clock input.
3*
N.C.
–
No Connection.
4
ML/I
2
SS
Input
Serial control latch for software mode or input format selection for hardware mode. Internal pull-up.
5
MC/IWL
Input
Serial control clock for software mode or input word length for hardware mode. Internal pull-up.
6
MD/DM
Input
Serial control data for software mode or de-enphasis selection for hardware mode. Internal pull-up.
7
RSTB
Input
Reset, active "low".
8
ZERO
Output
Infinity-zero flag output.
9
VOUTR
Output
R-channel output.
10
AGND
–
Analog ground.
11
VCC
Input
Analog power supply.
12
VOUTL
Output
L-channel output.
13
CAP
–
L/R channel output amp common node.
14
BCKIN
Input
Bit clock input for audio data.
15
DIN
Input
Audio data input.
16
SRCIN
Input
Sample rate clock input.
17
MUTE
–
Mute control, "0" = Normal Operation; "1" = Soft Mute.
18
MODE
–
Control mode selection, "0" = Software Mode; "1" = Hardware Mode.
19
VDD
Output
Digital power supply.
20
DGND
Output
Digital ground
Figure 8-5 BLOCK DIAGRAM OF IC
1
NC
2
SCKI
3
NC
4
ML/I
2
S
5
MC/IWL
6
MD/DM
7
RSTB
8
ZERO
9
VOUTR
10
AGND
20
DGND
19
VDD
18
MODE
17
MUTE
16
SRCIN
15
DIN
14
BCKIN
13
CAP
12
VOUTL
11
VCC
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