Ic Pin Function; Ic106 Cd System Controller (Μpd78058Gc-225-3B9) - Sony SA-VA100 Service Manual
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6-14. IC PIN FUNCTION
• IC106 CD System Controller (µPD78058GC-225-3B9)
Pin No.
Pin Name
1
BDRST
2
AMUTE
3
FCSSW
4
AVSS
5
STKSPD
6
TRYSPD
7
+5V
8
GND
9
DPDAT
10
DPCLK
11
SUBQ
12
—
13
SQCLK
14
PRGL
15
XLT
16
SENSE
17
DATA
18
CLK
19 to 31
A0 to A12
TE
L 13942296513
32
WE
33
VSS
34, 35
GND
36 to 39
BUSD0 to BUSD3
40 to 42
POS1 to POS3
43
AFADJ
44
HPOS
45
TCLOSE
46
STORE
47
EJECT
• Abbreviation
DSP : Digital Signal Processor
SSP : Servo Signal Processor
D/F : Digital Filter
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I/O
Reset signal output to BD block
O
Muting ON/OFF output "L": ON
O
Focus gain switching output
O
—
Ground (A/D)
O
Stocker motor control output
O
Loading motor control output
I
A/D reference voltage input (+5V)
—
Ground
O
Not used
O
I
Sub-Q data input from DSP
O
Not used
O
Sub-Q data reading clock output
O
Serial data latch pulse output to D/F
O
Serial data latch pulse output to DSP and SSP
I
Status input from DSP and SSP
O
Serial data output to DSP, SSP and D/F
O
Serial clock output to DSP, SSP and D/F
O
Address output to SRAM
Write enable output to SRAM "L": write, "H": read
O
—
Ground
—
Y. bus data input/output
I/O
Position detect input of optical pick-up block
I
Not used
O
Stocker absolute address detection input
I
Tray close detection input "L": close
I
Carried stock-in detection input "L" stock-in
I
Tray open detection input "L": open
I
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2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
— 93 —
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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