Aiwa XR-M171 Service Manual page 25

IC DESCRIPTION
IC, LC866548A
Pin No.
Pin Name
1 I-ST/MO
2 I-TU/IFC
3 O-SOL
4 O-REC/PB
5 O-MOTOR
6 O-BIAS
7 O-MUTE
8 O-TU_ON
9 O-POWER
10 O-CLK_SHIFT
11 O-PLL_CE
12 I-RESET
13 XCIN
14 XCOUT
15 VSS1
16 XIN
17 XOUT
18 VDD1
19 I-VOL
20 I-HOLD
21 I-SW_TP
22 I-KEY2
23 I-KEY1
24 I-CDTSW
25 I-RDS_SIG
26 I-CD_SIG
27 I-TMBASE
28 I-RDCL
29 I-RMC
30 ~ 33 NC
34 ~ 44 O-G1 ~ G11
45 O-P1
46 VDD3
47 ~ 50 O-P2 ~ P5
51 VEE
52 ~ 68 O-P6 ~ P22
69 I-AM10K
59 I-OIRT
60 I-RDS
61 VDD4
62 I-AMST
I/O
I Tuner stereo input.
I Tuner TUNE IFC input.
O Deck solenoid ON/OFF output.
O Deck record/playback select output.
O Deck motor ON/OFF control output.
O Record 85 kHz oscillaor ON/OFF output.
O Mute output.
O Tuner mode on output.
O Power ON/OFF control output.
O Micon clock shift output.
O PLL chip enable output.
I Micon reset input.
I Connected to VDD1.
O Not used.
- Digital GND.
I
5.76 MHz Ceralock.
O
- Power supply.
I Rotary encoder volume A/D input.
I System hold input A/D input.
I Cassette detect switch A/D input.
I Key2 A/D input.
I Key1 A/D input.
I CD tray switch A/D input.
I RDS tuning level input. (Not used)
I CD music level input.
I Time base clock base (8 Hz) input.
I RDS clock input. (Not used)
I Remote control data input.
- Not connected.
O FL grid G1 ~ G11 output.
O FL port P1 output.
- Power supply.
O FL port P2 ~ P5 output.
- Power supply.
O FL port P6 ~ P22 output.
I AM10K detect input. (Not used)
I OIRT detect input. (Not used)
I RDS detect input. (Not used)
- Power supply.
I AM stereo detect input. (Not used)
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Description