Aiwa CR-LD100M2, Service Manual, Page: 12 / 17

Pin No. Pin Name I/O Description
IC DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18,19
20
21
22
23
24
25
26
27
28 - 30
31
32
33 - 34
35 - 36
37 - 38
39
40 - 43
44 - 60
61
62
63
64
65
66
VAD SEL
VAD SEL2
AM IF
FM IF
VDD 1
PLL REG
PLL OUT
PLL OUT
OSC L
OSC H
GND
TEST
RESET
ST IN
E
U
W
-
REQ
P OUT
TU OUT
AM OUT
FM OUT
TV OUT
NSB OUT
TV/FM OUT
-
BEEP
VDD 0
CAP 0 - 1
REG 0 - 1
CAP 2 - 3
REG 2
COM 0 - 3
LCD 0 - 16
BAT SEL
TV SEL
BASS SEL
-
MUTE OUT
SP CANCEL
I
I
I
I
-
-
O
O
I
I
-
-
I
I
I
I
I
-
O
O
O
O
O
O
O
O
-
O
-
-
-
-
-
O
O
I
I
I
-
O
O
“H” : voltage detection at Vdd = 3.0V “L” : at Vdd 1.5V
No using
Input IF counter
Input IF counter
Input power supply
Input PLL regulator
Output PLL charge-pomp
Output PLL charge-pomp
Input OSC low
Input OSC high
GND
No using
“L” : system reset
“H” : stereo indicator turn on
Version select. “L” : JAPAN, “H” : EUROPE, “L” USA, “ H” : USA WIDE
Version select. “L” : JAPAN, “L” : EUROPE, “H” USA, “ H” : USA WIDE
At USA WIDE “L” : TV & WEATHER, “H” : TV/WEATHER
No using
“H” : IF output
Output high voltage at TUNER & TIMER & ALARM operating
Output high voltage at TUNER operating
Output low voltage at TUNER operating AM band
Output low voltage at TUNER operating FM band
Output low voltage at TUNER operating TV band
Output low voltage at TUNER operating NSB band
Output low voltage at TUNER operating FM/TV band
No using
Out BEEP sound
Input power supply
Connect capacitor for LCD
LCD regulator
Connect capacitor for LCD
LCD regulator
LCD common
LCD segment
Selection of voltage detection “H” : using 76 “L” : using 78
Selection of TV “H” : without TV “L” : within TV
Selection of S-BSS operation “H” : using 73 “L” : using 78
No using
Output high voltage at muting
Output high voltage at speaker cancelling (may be no using)
IC, µPD1793GK
12