Pioneer DEH-M8037ZT, Service Manual

Page: 62 / 79

62
1
2 3 4
1 2
3 4
F
E
D
C
B
A
DEH-M8037ZT/UC
Pin No. Pin Name I/O Function and Operation
63 POWER I POWER key input
64 VSS GND
65– 72 NC Not used
73
swvdd
O Switched VDD control output
74
cdej
I CD eject key sense input
75– 80 NC Not used
81 TESTIN I Test program mode input
82 BSREQ I P-BUS : Service request input
83 BRXEN I P-BUS : Reception enable input
84 BRST I P-BUS : Reset input
85 DDSTBY O LED driver : Stand-by input
86 DDDT O LED driver : Data output
87 DDCK O LED driver : Clock output
88 DDST O LED driver : Strobe input
89 DMI I Rheostat signal input
90 NC Not used
91 SRSSW1 I Steering switch 1 input
92,93 NC Not used
94 TEMP Temperature detect input
95 SRSSW2 I Steering switch 2 input
96 AVSS GND
97 SL I Tuner : SD level input
98 VREF I A/D converter reference voltage
99 AVCC Analog power supply
100 PDI I Tuner : Data input
30
31 50
51
80
81 100
1
* PD5861A
IC's marked by * are MOS type.
Be careful in handling them because they are very liable to be
damaged by electrostatic induction.
1 2 3
VIN
VOUT
GND
Reference
Voltage
* S-812C56AUA-C3K
1 2
4
1
OUT
VDD
VSS
V
REF
3
NC
* S-80835CNNB-B8U