Pioneer SX-316-S Service Manual page 80

1
7 PE5550A (FRONT DISPLAY ASSY : IC401)
A
• System Control MCU
7
Pin Arrangement (Top View)
B
+5V
GND
Resonator
Resonator
GND
C
DISP RESET
DISP CK
DISP DTI
DISP DTO
DISP RDY
Test
1w_wup
NC
NC
DISP EN
NC(PD)(MULTIROOM SRIN)
D
SR IN
GND
KEY IN4
KEY IN3
E
F
80
1
2
1 VDD1
2 VSS1
I 3 X1 CMOS
I 4 X2 CMOS
5 IC(VPP) CMOS
I 6 RESET STI
IO 7 P27/SCK1 C-MOS
IO 8 P26/SI1 C-MOS
IO 9 P25/SO1 C-MOS
IO 10 P24/BUSY C-MOS
IO 11 P23 C-MOS
IO 12 P22 C-MOS
IO 13 P21/SO3 C-MOS
IO 14 P20/SCK3 C-MOS
IO 15 P00/INTP0 C-MOS
IO 16 P01/INTP1 C-MOS
IO 17 P02/T1 C-MOS
18 AVSS
I 19 ANI3 COPM
I 20 ANI2 COMP
2
3
SX-316-S
3
4
P-CH VLOAD 60 VF
P-CH VDD2 59 IO +5V
P-CH FIP20 58 IO S8
P-CH FIP21 57 IO S9
P-CH FIP22 56 IO S10
P-CH FIP23 55 IO S11
P-CH FIP24/P30 54 IO S12
P-CH FIP25/P31 53 IO S13
P-CH FIP26/P32 52 IO S14
P-CH FIP27/P33 51 IO S15
P-CH FIP28/P34 50 IO S16
P-CH FIP29/P35 49 IO S17
P-CH FIP30/P36 48 IO S18
P-CH FIP31/P37 47 IO S19
P-CH FIP32/P40 46 O S20
P-CH FIP33/P41 45 O S21
P-CH FIP34/P42 44 O S22
P-CH FIP35/P43 43 O S23
P-CH FIP36/P44 42 O S24
P-CH FIP37/P45 41 O NC
4