Ic Pin Function Description - Sony CDX-5V661 Service Manual

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4-15. IC PIN FUNCTION DESCRIPTION

• MAIN BOARD IC801 HD6432357M05F (SYSTEM CONTROLLER)
Pin No. Pin Name
1
K3
2
K4
3 GND
4
NC
5 VCC
6 K5
7
K6
8
K LOAD
9 K EJECT
10
GND
11
SW1–6
12 SWLOAD
13 SWEJECT
14 IND1
15 IND2
16 IND3
17
IND4
18 IND5
19 GND
TE
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20 IND6
21 INDSLOT
22 DSTC R
23 DSZ
24 DSTC L
25
S SCL
26 EECKO
27 EESIO
28
GND
29
POS
30
HOME
31
SOSY
32
GRSCOR
33 OPP
34
BU IN
35
GND
36
GND
37 WAKEUP
38
KEYACK
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39 VDD
40
OPH
.
41 LMT IN
42
FOLOCK
43
R/RW SW
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I/O
I
Key input terminal S5, S6 (3) "L": active
I Key input terminal S7, S8 (4) "L": active
— Ground terminal
— Not used (open)
— Power supply terminal (+3.3V)
I
Key input terminal S9, S10 (5) "L": active
I
Key input terminal S11, S12 (6) "L": active
I LOAD key input terminal S13, S14 (LOAD) "L": active
I EJECT key input terminal S15, S16 (EJECT) "L": active
— Ground terminal
O LED drive signal output to the front panel 1 to 6 key LEDS (1 to 6) "H": LED on
O LED drive signal output to the front panel LOAD key (LOAD) "H": LED on
O LED drive signal output to the front panel EJECT key (EJECT) "H": LED on
O LED drive signal output to the front panel (disc address 1) "H": LED on
O LED drive signal output to the front panel (disc address 2) "H": LED on
O LED drive signal output to the front panel (disc address 3) "H": LED on
O LED drive signal output to the front panel (disc address 4) "H": LED on
O LED drive signal output to the front panel (disc address 5) "H": LED on
— Ground terminal
O LED drive signal output to the front panel (disc address 6) "H": LED on
O
LED drive signal output to the front panel (disc slot) "H": LED on
Disc chucking end/save end detect switch input terminal (right)
I
(When completion of the disc chucking/save operation)
I Disc size detection signal input terminal
Disc chucking end/save end detect switch input terminal (left)
I
(When completion of the disc chucking/save operation)
I Shutter close detect switch input terminal
O Serial clock signal output to the EEPROM (IC810)
I/O Two-way serial data bus with the EEPROM (IC810)
— Ground terminal
I Optical pick-up block address detect sensor input terminal
I Optical pick-up home position detect switch input terminal
I Subcode sync (SO + SI) detect signal input from the CXD3027R (IC601)
Subcode sync (SO + SI) detect signal input from the D-RAM controller section on the
I
CXD3027R (IC601)
I Lever (op) SW (play position) detect switch input terminal "L": Active
I Back-up sens input terminal "6.5V": Voltage low detect
— Ground terminal
— Ground terminal
I Wake-up input terminal "L": ACC on
I Input of acknowledge signal for the key entry On at input of "H"
I Power supply terminal (+3.3V)
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I Lever (op) SW (home position) detection input terminal
i
I Sled limit in detect switch input terminal "L": When the optical pick-up is inner position
O Lens focus lock signal output terminal
O CD-ROM/CD-RW select signal output to the CXA2581N (IC201) "L": RW, "H": ROM
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CDX-5V661/5V661A/5V661D/5V661S
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Description
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