Technics SL-P222A - Page 16

SL-P222A
e 1C403 (MN1551 PJF-1):
VO
Division
Function
Power supply (connected to +5V)
1/0
Division
Function
Not connected
Not connected
Track loss signal
Command signal of access mode
Radial error digital
Not connected
Radial error digital divided by four
Not connected
Not connected
Speed controi code output
Not connected
Not connected
Period det. select signal output
Not connected
Reset command
Period det. select signal output
1
Period det. select signal output
192 fs (8.4672 MHz) clock input
Track toss det. signal output
e IC601 (MN15283PEY—1): System control and FL drive
XO
1/0
Division
Function
GND terminal
Not used, open
x1
1/0
Division
GND terminal
Function
32
—-+
Not used, open
Key scan signal
Optical servo condition input
(Not used, open)
00 (RECV)
Key return signal
Data receipt command signal
O1 (SEND)
Data transmission command signal
Not used, open
O2 (ACK)
Data discrimination signal
[ Not used, open
O3 (CLK)
Data lock signal
Not used, open
10 (DO)
13 (D3)
Not used, open
Key scan signal
Not used, open
SYNC
Not used, open
RST
FL drive power supply
(connected to —28.3V)
Reset command (reset at “‘L’’)
IRQ/TC1
Remote control signa! input
50
Q
53
Key return signal
FL grid signal
Sub-code frame clock (7.35 kHz)
(Not used, open)
Sub-code Q data input
(Not used, open)
FL anode signal
Power supply (connected to +5V)
Key scan signal
Clock terminal
Key scan signal
=16 =
4
Clock input
:
3