Aiwa HS-PX607 AH Service Manual page 8

IC DESCRIPTION
IC, ML63512A – A03
Pin No. Pin Name
1 AF IN
2 S C L K
3 M U T E
4 S D A T A
5 F/R CONT
6 HI – SP – SW
7 MOT DIR
8 LOAD CTL
9 DSL H
10 MOT ON
11 MOT BR
12 HOLD IN
13 P – SNSR – IN
14 P – SNSR DET
15 KEY MAIN
16 KEY REMOTE
17 N. C.
18 P – SNSR K
19 LED K
20 DOLBY + B SW
21 VDDI
22 VSS
23 VDD
24 VDDH
25 ~ 26 CB1 ~ 2
27 VDDL
28 XT0
29 XT1
30 ~ 31 VDD
32 VSS
33 OSC0
34 OSC1
35 RESET
36 BEEP
37 CASS SW
38 AF IN CTL
39 JACK DET
40 TIMING SW
41 REMOTE DET
42 SET STOP
43 BS L
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I/O
I Sound detection input terminal.
I Serial clock input terminal.
O H : MUTE OFF
O Serial data output terminal.
O H : REV Mode
O H : FF / REW (Inclusive of MS & BS) L : Others
O H : MOTOR CCW
O Battery capacity for CH output.
O H : D S L 1 o'clock
O H : MOTOR ON
O H : MOTOR BRAKE ON
I H : HOLD OFF
I Photo sensor input terminal.
I H : P - SNSR - IN Superintend
I Main unit key input terminal.
I Remote controller Side KEY Input Terminal.
– Not connected.
O P - SNSR control output.
O OPE, BATT LED control output.
O DOLBY power supply control output.
– External equipment interface power supply terminal.
– Negative ( - ) side power supply terminal.
– Positive ( + ) side power supply terminal.
– Boost power supply terminal for back up.
– Capaitor connection terminal for boost power supply.
– Positiv ( + ) side power supply terminal for internal logic.
– Clock oscillator terminal for low frequency side.
– Connect 32,768 KHz crystal oscillator.
– Test terminal.
– Negative ( - ) side power supply terminal.
– Clock oscillator terminal for high frequency side.
– Not connected.
I RESET input terminal.
O Sound alarm output terminal.
I H : No CASS
I Discrimination terminal for P 8.0 ; AF IN detection level.
I JACK insertion detection terminal.
I Mechanism operation detection input terminal.
I Level detector switching terminal.
I H : In normal operations
O OFF : REP, PLAY mode
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Description
L : MUTE ON
L : FWD Mode
L : MOTOR CW
L : D S L OFF, 2 o'clock
L : MOTOR OFF
L : MOTOR BRAKE OFF
L : HOLD ON
L : P - SNSR - IN Disregard
L : With CASS
L : STOP mechanism operations
ON : Others