Xc-Is21Md - Pioneer XC-IS21 MD Servise Manual

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PDG241B (U-COM ASSY : IC5501)
• System Control IC
•
Pin Function
No. Name
1 CDLAT
2 CD DATA
3 CDSYSMUTE O CD decoder mute control
4 CDRESET
5 CDCONT
6 CDMUTE
7 CDSQSO
8 -
9 CDSQCK
10 LINE 2 MUTE
11 LINE 1 MUTE
12 LINE CONT
13 VOLCE
14 TOUCH
15 VOLDATA
16 VOLCLK
TE
L 13942296513
17 SYSPOW
18 SCLK
19 SDATA
20 SREQ
21 SPCONT
22 SYSMUTE
23 TXCE
24 TXODATA
25 TXCLK
26 TXIDAT
27 TXMUTE
28 TXPOW
29 PDSPOW
30 RDSDATA
31 -
32 -
33 -
34 -
35 -
36 -
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37 -
38 -
39 BEEP
.
40 RESET
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I/O Description
O CD LSI Latch
O CD LSI Data
O CD LSI Reset
O CD LSI power control
O CD mute control
I CD SUBQ data input
O Open
O CD SUBQ clock
O Line 2 mute control
O Line 1 mute control
O Line ATT control
O E-Volume LSI chip enabled
I Touch sencer input
O E-Volume LSI data
O E-Volume LSI clock
O System power control
O System bus clock
I/O System bus data
I/O System bus reqest
O Speaker relay control
O System mute control
O TX LSI chip enabled
O TX LSI data output
O TX LSI clock
I TX LSI data input
O TX mute control
O TX power control
O RDS power control
I RDS data input
O
O
O
O Open
O
O
O
O
x ao
y
O Beep control
i
I System reset
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8
No. Name
41 Vss
42 XTAL
43 EXTAL
44 LCDCE
45 LCDRESET
46 LCDDATA
47 LCDCLK
48 CDDOOR2
49 CDDOOR1
50 CDDOOR4
51 CDDOOR3
52 AVss
53 AVref
54 AVdd
55 SIMUKE
56 PROTECT
Q Q
3 6 7 1 3
57 ST/TUNE
58 JOGIN
59 -
60 KEY3
61 KEY2
62 KEY1
63 B.LIGHT
64 STBYLED
65 OPTINCD
66 OPTINAUX
67 MDSTB
68 MDMUTE
69 MDRESET
70 MDPDOWN
71 MDCMODE
72 MDDAPOW
73 MDADPOW
74 MDDIF1
75 MDDIFO
76 MDPBMUTE
77 RDSCLK
78 ACPULS
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79 MDIDAT
.
80 MDODAT
2 9 9 4 2 8
I/O Description
- GND
- Oscillator pulses
I (12MHz)
O LCD driver chip enabled
O LCD driver reset
O LCD driver data
O LCD driver clock
I CD Door detection input 2
I CD Door detection input 1
I CD Door detection input 4
I CD Door detection input 3
- AD converter GND
I AD converter reference voltage
- AD converter voltage
I Model type select input
I Protect detection input
1 5 0 5 8 2 9 9 4
I TX STEREO/TUNED input
I JOG input
I GND
I Key input
I Key input
I Key input
O LCD back light control
O Standby LED control
O Optical output control (CD input)
O Optical output control (AUX input)
I MD mecha control data
I MD mecha control mute
O MD mecha control reset
O Power-down detection output of MD mecha
O MD converter FS mode
O MD DAC power control
O MD ADC power control
O MD audio format 0
O MD audio format 1
O MD PB mute control
m
I RDS clock input
I AC pulse input
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I MD mecha control data input
O MD mecha control data output

XC-IS21MD

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