Pioneer KEX-M8547ZT/EW, Service Manual

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KEX-M8547ZT/EW
49
5 6 7 8
5 6
7
8
C
D
F
A
B
E
Pin No. Pin Name I/O Function and Operation
60 ROMCS O ROM correction chip select output
61 TEST I Test mode input
I
I 62 VCC Power supply(2.7-5.5V) input
63 ENC1+ I VOL encoder input +
64 VSS GND input
65 ENC1- I VOL encoder input -
66-68 KST0-2 O Key strobe output 0-2
69
power
I
I POWER key input
70-72 KDT0-2 Key data input 0-2
73
asens
I ACC sense input
74
csej
I Tape eject sense input
75
bsens
I Back up sense input
76 KDT3 I Key data input 3
77 ENC2+
I
AUD encoder input +
78 ENC2-
I
AUD encoder input -
79 MS Music sense input
80
f/R O
I
O
Head forward/reverse select output
81 PLAY MS gain select output
82
mtl
I METAL input
83 NR
O
I
I
Dolby B NR ON/OFF output
84 CSLOAD Tape loading detect input
85 POS Position sense input
86 ES I
O
Tape end detect input
87, 88 SC2, 1
O
Sub motor control output 2, 1
89 CM Capstan control output
I
I
I
I
I
I
I
I
I
90
stby
O Tape stand-by output
O
91 NL1 Noise level input
92 SSL Sub tuner signal level input
93 MSL Main tuner signal level input
94 ILL- Illumination - input
95 STSW2 Stearing SW 2 input
96 AVSS A/D converter GND input
97 STSW1 Stearing SW 1 input
98 VREF A/D converter reference voltage input
99 AVCC A/D converter power supply input
100 ANTB Antenna power supply control output
30
31
50
51 80
81
100
1
* PD5945A
IC's marked by * are MOS type.
Be careful in handling them because they are very liable
to be damaged by electrostatic induction.
O
58 ROMDT ROM correction data output
59 ROMCLK O ROM correction clock output