Pioneer DEH-2237ZF X1R/UC Service Manual page 53

5
Pin No. Pin Name
wc
67
68 AUXCNT0
69 NC
syspwr
70
71 FMUTE
72 ASYSON
wakeup
73
ptain
74
75 ACPINT
76 ROTIN0
77 ROTIN1
78 CLCONT
79 VDCONT
80 CD5VON
xrst
81
xce
82
83 XPCK
84 LOAJ
85-88 XPIO3-0
89 CONT
90 HOME
91 DSCSNS
92 VDSENS
93 TEMP
94 SWCIN
95 ILMI
96 AVSS
97 SL
98 VREF
99 AVDD
100 PDI
* PD5756A
5
6
I/O Format Function and Operation
O C Diagnosis EEPROM : Write control output
O C Aux input selector 1 output
Not used
O C System power output
O C Front mute output
O C ACP-BUS : ACP power output
I Wake up key sense input
I PTA interrupt input
O ACP-BUS : ACP interrupter output
I Rotary encoder pulse input 0
I Rotary encoder pulse input 1
O C CD : Driver change output
O C CD : VD power control output
I CD : CD 5V power control output
O C CD : CD LSI reset output
O C CD : CD LSI chip enable output
O C CD : CD LSI clock output
O C CD : Load / Eject direction change output
I/O /C CD : LSI data input / output
O C CD : Servo driver change output
I CD : DSCSNS switch sense input
I CD : HOME switch sense input
I CD : VD sense input
I CD : Temperature sense input
I SWC input
I Illumination sense input
GND
I Tuner : SD level input
A/D converter reference voltage terminal
Power supply terminal
I Tuner : PLL data input
IC's marked by * are MOS type.
Be careful in handling them because they are very liable to be
damaged by electrostatic induction.
Format
C
N
DEH-2237ZF/X1R/UC
6
7
Meaning
C MOS
N channel open drain
7
8
A
B
C
D
E
F
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