27
IC DESCRIPTION
I
I
O
O
O
O
O
O
O
O
O
I
–
I
–
–
–
–
I
I
I
I
I
I
I
I
I
I
I
O
–
O
–
O
O
O
–
O
O
I/O
I/O
I/O
Stereo detected input/CD DRF input
Tune IF count serial data input/CD SUBQ input
Deck 2 playback switch output
_______
System power supply ON/OFF output
_______
CD power ON/OFF output
LED driver, Tuner IC, Function IC data output
Deck 2 REC MUTE output
_____
Deck 2 bias ON/OFF output
_______
System mute ON/OFF output
Latch strobe output for LED driver IC
Micon clock shift output
System reset
Not connected
CD turntable photo sensor A/D converter input
GND
5.76 MHz oscillator circuit
5.76 MHz oscillator circuit
Power supply input
Power failure detected input
KEY input (A/D)
KEY input (A/D)
KEY input (A/D)
Tuner signal input
CD mechanical switch A/D converter input
A/D input for spectrum analyzer display
Rotary encoder input (VOL)
CD WRQ input/Tuner RDS clock input
Reference clock input for timer watch
System remotecontrol signal input
FL GRID output G11 ~ G1
Not connected
FL SEGMENT output P35 ~ P32
Power supply input
FL SEGMENT output P31 ~ P30
FL SEGMENT output P29/Spectrum analyzer band switching output
FL SEGMENT output P28/Spectrum analyzer band switching output
Power supply input for FL display
FL SEGMENT output P27/Spectrum analyzer band switch output
FL SEGMENT output P26
FL SEGMENT output P25/NO CASINO DEMO input to diode
FL SEGMENT output P24/KARAOKE input to diode
FL SEGMENT output P23/NO DEMO input to diode
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
29
30 ~ 40
41
42 ~ 45
46
47 ~ 48
49
50
51
52
53
54
55
56
_______________
I-STEREO/I-DRF
______
I-IFC/I-SUBQ
O-2PB
O-POWER
O-CD-ON
O-PLL_DATA
O-RMT
_________
O-BIAS
O-MUTE
O-STB
_________________
O-CLK_SFT
RESET
NC
I-DISH
VSS1
CF1
CF2
VDD1
__________
I-HOLD
I-KEY1
I-KEY2
I-KEY3
I-TU_SIG
I-CDSW
I-SPEANA
I-RE_VOL
I-WRQ/I-RDS_CLK
I-TM_BASE
_________
I-RMC
G11 ~ G1
NC
P35 ~ P32
VDD3
P31 ~ P30
P29/O-SPEANA-C
P28/O-SPEANA-B
VFL
P27/O-SPEANA-A
P26
P25/I-NO_CASINO
P24/I-KARAOKE
P23/NO_DEMO
IC, LC866560W-5R50 <46EZ>, LC866548V-5R49 <Except 46EZ>
Pin No.
Pin Name
I/O
Description
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