2-11. Ic Pin Function Description - Sony XR3F-19B160 Service Manual

2-11. IC PIN FUNCTION DESCRIPTION

• MD MAIN BOARD IC601 µPD78052GC-123-3B9 (SYSTEM CONTROLLER)
Pin No. Pin Name
1 PH1IN
2 PH2OR3
3 PH4IN
4 AVSS
5 FO
6 DAMUTE
7 AVREF1
8 to 10 —
11 SQIN
12 —
13 SQCK
14 DAON
15 VFINH
16 VFLAT
17 VFDAT
18 VFCLK
19 POWER
20 SVP
21 AMUTE
22 DMUTE
23 EECE
24 COMP
25 CDON
26 LGSENS
27 GFS
28 FOK
29 APC
30 EECLK
31 EESO
32 EESI
33 VSS
34 RDS
35 to 39 —
40 SLDON
41 SEL0
42 SEL1
43 —
ADJOK0 to
44 to 47
ADJOK3
48 FG0
49 FG1
I/O
Disc size (8 cm/12 cm) detect signal input from the photosensor (Q604)
I
"L": 8 cm, "H": 12 cm
I
Disc in detect signal input from the photosensor (Q605)
Disc loading completion detect signal input from the photosensor (Q607)
I
"H": disc loading completed
— Ground terminal (for analog system)
O
Focusing offset automatic alignment signal output to the CXA1782BR (IC501)
O
Muting control signal output to the D/A converter (IC301) "L": mute on
I Reference voltage input terminal (+5V) (for D/A converter)
—
Not used (open)
I
Subcode Q data input from the CXD2507AQ (IC502)
—
Not used (open)
O Subcode Q data reading clock signal output to the CXD2507AQ (IC502)
O
D/A converter (IC301) power supply on/off control signal output terminal "H": power on
O
Inhibit output to the fluorescent indicator tube driver (IC501) "L" active
O
Serial data latch pulse output to the fluorescent indicator tube driver (IC501)
O Serial data output to the fluorescent indicator tube driver (IC501)
Serial data transfer clock signal output to the fluorescent indicator tube driver (IC501) and key
O
control (IC502)
O
Main system power supply on/off control signal output terminal "H": power on
O
Servo system power supply on/off control signal output terminal "H": power on
O
Audio mute on/off control signal output terminal
O Digital mute on/off control signal output to the CXD2507AQ (IC502) "H": mute on
O
Not used (open)
O
Analog compression signal output to the SM5852CS (IC302)
CD/exit input signal select control signal output to the BA3129F (IC101)
O
"L": exit input, "H": CD on
O
CD logic sense signal output to the external master unit
I Guard frame sync signal input from the CXD2507AQ (IC502)
I
Focus OK signal input from the CXD2507AQ (IC502)
O
Laser diode on/off control signal output terminal "L": laser on
O
Not used (open)
O
Not used (open)
I
Not used (open)
— Ground terminal (for digital system)
I Not used (open)
—
Not used (open)
O
Sledding servo on/off control signal output terminal
I
Mode selection input terminal (fixed at "L" in this set)
I
Mode selection input terminal (fixed at "L" in this set)
—
Not used (open)
Automatic alignment monitor output terminal
O
Not used (open)
O
Focusing gain automatic alignment signal output to the CXA1782BR (IC501)
O
Focusing gain automatic alignment signal output to the CXA1782BR (IC501)
Description
"H": disc is present
"H": mute on
"L": NG, "H": OK
"L": NG, "H": OK
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