Read Sharp DV-660H (serv.man2) Service Manual online
DV-660S
DV-660H
DV-660H
11-19. IC6501 LC8905V
DIGITAL AUDIO INTERFACE
Pin No.
Terminal name
I/O
Operation function
1
DIN1
I
Amplifier built-in data input terminal (coaxial, corresponding to optical module)
2
DIN2
I
Data input terminal (corresponding to optical module)
3
E/DOUT
O
Emphasis, input biphase, validity flag output terminal
4
VDD
Power
5
R
I
VCO gain control input terminal
6
VIN
I
VCO free run setting input terminal
7
VCO
O
LPF setting terminal of PLL
8
GND
Grounding
9
CKSEL
I
System clock selection input terminal
10
XMODE
I
Reset input terminal
11
AVOCK
I
PLL erroneous lock prevention clock input terminal
12
TEST1
I
Test input terminal (to be grounded usually)
13
TEST2
I
Test input terminal (to be grounded usually)
14
SCLK/CL
I
Microcomputer IF Clock input terminal
15
XLAT/CE
I
Microcomputer IF latch/chip enable input terminal
16
SWDT/DI
I
Microcomputer IF write data input terminal
17
SRDT/DO
O
Microcomputer IF read data output terminal
18
DQSY/LD
O
Microcomputer IF Sub-Q sync and ID sync output terminal
19
CKOUT
O
VCO clock output terminal (Self-run oscillation 384fs, 512fs)
20
FS128
O
128fs clock output terminal
21
BCK
O
Bit clock output terminal
22
LRCK
O
L/R clock output terminal (L-ch=H, R-ch=L)
23
DATAOUT
O
Audio data output terminal
24
ERROR
O
PLL lock error mute output terminal
• Block Diagram
Microcomputer interface
C-Bit detection
Input
section
Data
demodulator
Lock error detection
Mute output
Timing
PLL
TEST
Sub-Q detection
SCLK/CL
14
15
16
1
2
3
XLAT/CE
SWDT/DI
DIN1
DIN2
E/DOUT
CKSEL
AVOCK
R
VIN
VCO
DQSY/LD
SRDT/DO
ERROR
DATAOUT
SFS128
LRCK
BCK
CKOUT
TEST1
TEST21
XMODE
9
5
6
7
11
18
17
24
23
20
22
21
19
12
13
10
11-25
Click on the first or last page to see other DV-660H (serv.man2) service manuals if exist.