Panasonic SA-AK78 Service Manual page 15

No. Mark I/O
24 MIC SW I/O
25 PHONE I/O
26 SER7 I/O
27 SER6 I/O
28 SER5 I/O
29 RMT I
30 SER4 I/O
31 SER3 I/O
32 SER2 I/O
33 SER1 I/O
34 SYNC I
35 RESET I
36 XCIN I/O
37 XCOUT I/O
38 XIN I
39 XOUT O
40 VSS —
41 MBP1 O
42 MBP 2 O
43 SD I
44 DO/ST I
45-56 GRD12- O
GRD1
57-89 AND33-AND1 O
90 REGION IN I
91 VCC I
92 SP_A O
93 SP_B O
94 SP_C O
95 TPS_IN I
96 DCDET I
97 MECHPS O
98 -VP —
99 AVSS —
100 VREF I
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Function
MIC detect SW input(L:NO MIC
H:MIC)
PHONE detect input
(L:NO PHONE H:PHONE)
Serial 7 output (EEPROM IC CS)
Serial 6 output (DSP MPU CS)
Serial 5 output (PLL IC CE)
Remote control input
Serial output for IC
Serial output for IC
Serial output for IC
Serial output for IC
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)
MPU beat proof output 1
MPU beat proof output 2
Tuner signal detect input
Tuner DO/ST input
LCD grid signal output
LCD segment signal output
Region select signal input
Power supply (+5V)
Space control A
Space control B
Space control C
TPS signal input
DC detect input
MECHCON reset output
Power supply (-30V)
Analog Ground (0V)
Reference for input
15
SA-AK78