Panasonic SA-AK18 Service Manual page 24

SA-AK18
No. Mark
15 J_JOG_AB
16 CHG_AD1
17 CHG_AD2
18 CDRST
19 STATUS
20 SQCLK
21 SD
22 ST/DO/SUBQ
23 CHG_CW
24 CHG_CCW
25 CHG_HALF
26 MLD/PPLCE
27 MDATA/
PLLDA
28 MDATA/
PLLCLK
29 RESTSW
30 BLKCK
31 RMT
32 DCDET
33 ECONO
34 SYNC
35 RESET
36 XCIN
37 XCOUT
38 XIN
39 XOUT
40 VSS
41 MBP1
42 MBP 2
43 CHG_SW 2
44 CHG_SW 1
45 CHG_PLGR
46 SP_A
47 SP_B
48 SP_C
49-54 GRD8-
GRD13
55-61 GRD1-GRD7
62-83 SEG32-
SEG11
84-90 SEG10-
SEG4/REG10
-REG4
91 VCC
92 REG3/SEG3
93 REG2/SEG2
94 REG1/SEG1
95 REG_IN/
EECS
I/O Function
I EQ Joy jog A-D detection
input
I (OPEN/CLAMP)Changer
switch A-D detection input 1
I (POSITION/BOTTOM)
Changer switch
detection input 2
I/O CD RESET output
I CD Signal Processor status
input (INV)
I/O Tuner IF data/ Stereo input
and CD Subcode Clock
output
I/O Tuner Signal detect input
I CD Subcode data input (INV)
O Changer motor CW output
O Changer motor CCW output
O Changer half drive output
O CD command
output/Tuner PLL chip enable
O CD command
output/Tuner PLL data output
O CD command clock
output/Tuner PLL clock
output
I CD limit switch input for the
most inner point
I CD block clock input (INV)
I Remote control input
I DC detect input
O Main transformer control
output for economy mode
I AC failure detect input
- RESET input
- X'tal oscillator (f = 32.768
kHz sub clock)
- X'tal oscillator (f = 32.768
kHz sub clock)
- X'tal oscillator (f = 8.0 MHz
main clock)
- X'tal oscillator (f = 8.0 MHz
main clock)
- Ground (0V)
O MPU beat proof output 1
O MPU beat proof output 2
I/O CD changer switch 2 input
I/O CD changer switch 1 input
O Changer plunger output
O Speana control output A
O Speana control output B
O Speana control output C
O Digit drive output (Grid drive
output)
O Digit drive output (Grid drive
output)
O Segment drive output (Anode
drive output)
O Segment drive output (Anode
drive output)/For region
setting/Function selection
use/Key scan output
RESET START
- Power supply (+5V)
O Segment drive output (Anode
drive output)
O For region setting/Function
selection use
O Key scan output at RESET
START
I/O Region and function setting
input and EEPROM clock
output
No. Mark
96 EEDAT
97 EECLK
98 VEE
99 AVSS
100 VREF
A-D
load
data
at
24
I/O Function
- EEPROM data input
- EEPROM chip select output
- Power supply (-30V)
- Analog Ground (0V)
- Reference for A-D