Ic Pin Function Description - Sony D-EJ2000 Service Manual

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5-10. IC Pin Funvtion Description
• IC801 T5AJ4-4GC6 (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
GND
2
XIN
3
XOUT
4
TEST
5
VCPU
6
LINE ON
7
EN2
8
RESET
9
FOK
10
ASW
11
SCOR
12
GRSCOR
13
AMUTE
14
XSOE
15
XLAT
16
MSDTI
17
MSDTO
18
MSCK
19 to 20
VCPU
21
AD CHGMNT
22
AD BATMNT
23
AD KEY2
24
AD SEL
25
AD KEY
26
AD RMKEY
27
AD DCINMNT
28
CLOSE
29
RMCSEL
30
BEEP
31
TSB
32
VCPU2
33
EXT BATT
34
TEXTSKIP
35
DIG TU
36
RCHG2/1
37
XSTAND ON
38
G-PRO
39
AVLS
40
HOLD
41 to 56
SEG15 to 0
57 to 60
COM3 to 0
61 to 63
V3 to 1
64, 65
C1, C0
66
XWAKE
67
PGMSO
68
PGMSI
69
PGMSCK
70
AGCPWM
71
IR RMC
72
FG I/FGSEL
I/O
Ground (digital)
I
System clock input from CXD3039AR (IC601)
O
Crystal oscillator output terminal Not used (open)
I
Test terminal for IC Not used (open)
Power supply (+1.9V)(digital)
O
Circuit selection signal output during LINE ON
O
Not used (open)
I
System reset signal input from the power control (IC402)("L" : reset)
I
Focus OK signal input from the digital servo processor (IC601)("L" : NG, "H" : OK )
O
ASW signal output
I
Subcode sync S0 or S1 detection signal input from CXD3039AR (IC601)
I
GRSCOR signal input from CXD3039AR (IC601)
O
Analog muting ON/OFF control signal output ("H : muting ON )
O
Serial data output enable signal output
O
Serial data latch pulse signal output to CXD3039AR (IC601)
I
Serial data input from CXD3039AR (IC601)
O
Serial data output to the power control (IC402) and CXD3039AR (IC601)
O
Serial data transfer clock output to the power control (IC402) and CXD3039AR (IC601)
Power supply (+1.9V)
I
Battery charging voltage detection signal input from the power control (IC402)
I
Battery voltage detection signal input
I
Key input terminal Not used (fixed at "H")
I
LINE OUT/OPTICAL OUT plug-in detection signal input
Key input from S805 to S807 (x, > u ., VOLUME +/-)
I
I
Key input (A/D) from the headphone with the remote controller
I
DC IN voltage detection input terminal (A/D) also using detection of DC IN existence
I
CD DOOR OPEN/CLOSE detection switch (S804) signal input
Not used (ground)
O
Beep sound output terminal to the headphone amplifier (IC301)
I/O
Communication data bus input or output to the headphone with the remote controller
Power supply
I
External battery detection signal input
I
Not used (ground)
I
Not used (ground)
I
Not used (ground)
I
Detection of setting on the charging stand signal input
I
G-PROTECTION switch (S803) signal input ("H" : G-PROTECTION 2)
I
AVLS (Automatic Volume Limiter System) switch (S802) signal input ("L" : normal, "H" : limit)
I
HOLD switch (S804) signal input ("L" : HOLD OFF, "H" : HOLD)
O
LCD segments drive signal output Not used (open)
O
LCD common drive signal output Not used (open)
O
LCD driver bias output
O
Capacitor connection terminal for LCD driver voltage step-up
O
WAKE-UP control signal output (signal for reset the condition of the system stand-by) "L" : Wake
O
Not used (open)
I
Not used (open)
O
Not used (open)
O
AGC control pulse output Not used (open)
I
Not used (ground)
I
FG pulse signal input from the spindle motor driver (IC402)
Description
D-EJ2000
21

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