Technics SH-CH900

SH-CH900
I FUNCTION OF IC TERMINALS
IC11 (LC8900K)
• IC303 (LC83012N)
Pin
No.
Terminal
Name
1/0
Function
1 DIN1 1
Data input terminal (CD signal)
2
DIN2
1
Data input terminal
(BS signal)
3 DIN3
1
Not used (connect
to GND)
4 DIN4
1
Data input terminal
(DAT signal)
5
DGND
-
Digital
GND
6
DOUT
0
Data (DIN1~4) process signal
output terminal
7 RC1
1
OSC (RC) input terminal
8
RC2 0 OSC
(RC) output terminal
9
SEL1
1
Input signal select terminal
10
SEL2 1 Input signal select terminal
11
LPF
1
Output data signal format select
terminal
Fix mode="H"
12 STOP
1 VCO Stop signal input "H"...stop
13
OUTMODE
1
Output data signal format select
terminal (Ttte terminal
is "LOW")
'•H"=20
bit LSB Fast
"L"=16bit
MSB Fast
14
TEST2
-
Connected
to GND
15 XMODE
1
PLL Starting signal input terminal
16
AVDO
1
Power supply
17 R 1
VCO Oscillater band adjustment
18
AGND
-
Analog
GND
19
VIN
1
VCO Establish
osc terminal
20 VCO 0
LPF output signal terminal
21
DGND
-
Digital GND
22
TEST1
1
Not used
23
V 0 Not used
24 256FS
0
256FS clocl< output signal
25
384FS 0 384FS clocl< output signal
26
DVDD
-
Power supply (digital)
27 BCLK
0
Bit-clock output signal
28
DATAOUT
0
AUDIO data output signal
29
LRCK
0
L
• R Clock output Signal
30
EMPHA
0 Emphasis control signal output
31
LOCK 0 PLL Lock control signal output
32
ERROR O Error control signal output
33
COPY
0
Data (copy) signal output
34
BSA
0
BS control signal output
(sampling frequency
32 kHz: "H")
35 CD 0
CD control signal output
(sampling frequency 44.1
kHz: "H")
36 BSB 0
BS control signal output
(sampling frequency
48 kHz: "H")
37,
38
DO
Dl
-
Not used
39 CE
40
CL
-
Connected
to GND
41 MODE
...V.;-" .
42 DVDD
-
Power supply
1.4,
6
2, 3,
5
20-
23
24-
27
49-
52
63-
55
Terminal
Name
PO, P3, P5
A0TDF1
A0TDF2
DFWCK
RAS
CAS
DREAD
0SC1
0SC2
384FS
D4~D7
A0-A7
A8
BCK1
BCK2
AS11
AS12
LRCK1
SELC
TEST5
RST
Vss2
TEST1-
TEST4
AOBCK
ASO
ACHOR
SO
64
SOCK
SORQ
SOAK
1/0
1/0
1/0
Function
Not used (connect to GND)
Mode signal Input terminal
Audio data output terminal
Not used
Bit clock signal output terminal
Word clock signal output terminal
Random access signal output
terminal
CAS signal output terminal
Data read signal output terminal
Data writing signal output terminal
Power supply
(+5 V)
Clock signal input terminal (384Fs)
Not used
GND terminal
Not used
IC304 (DRAM) Data signal input/
output terminal
Not used
IC304 (DRAM) Address data signal
output terminal
Not used
Bit clock signal output terminal
Bit clock signal output terminal
Audio data signal input terminal
L-R
ch Identifier signal output terminal
L-R
ch Identifier signal input terminal
Not used
Power supply
(-1-5 V)
Reset terminal
Interrupt signal input terminal
GND terminal
Not used
8
bit serial data output terminal
Serial clock signal input terminal
SICK
SIAK
SRDY
Serial data control signal input
terminal (request signal input)
Prectice (serial data output) control
signal output terminal
8
bit serial data input terminal
Serial clock signal input terminal
Serial data request signal input
Prectice (serial data input) control
signal output terminal
Ready signal input terminal
IC501 (LC7883K)
Pin
No.
Terminal
Name
1/0
Function
1 CH10UT
0 DAC signal output
(L-ch out)
2 VREFH
1
Reference voltage input
3
AVDD
1
Analog power supply
4
DVDD
1
Digital power supply
5 BCLK
1
Bit-clock signal input
6 DATA
1
Digital audio tape signal input
7 LRCK
1
L-R Clock signal input
8 TEST
1
Connected
to GND
9
ATT
1
Connected
to GND
10 SHIFT
1
Connected
to GND
11
LATCH
1
Connected to GND
12 INITB
1
Initial signal input
13 TEST
1
Connected to GND
14,
15
EMPH2
EMPH1
Deemphasis institute signal input
16 D/N
17
S0C2
-
Connected
to GND
18 S0C1
19 MODE
1
Mode select signal input
20
TEST
21
TEST
-
Connected
to GND
22 DGND
23 CLK OUT
-
Not used
24,
25
XIN
XOUT
1
0
Clock signal input/output terminal
26,
27
AGND
VREFL
-
Connected
to GND
28
CH20UT
0
DAC signal output
(R-ch out)
1 ;
(a)HaTiȣi i
-23-