Aiwa Z-HK550 Service Manual page 30

Compact disc stereo cassette receiver
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Pin No.
Pin Name
56
P27/RHYTHM
57
P26/K-CON
58
P25/SVCD
59
P24/ECO
60, 61
P23, P22
62
P21/5.1+DPRO
63
P20/DPRO
64
P19/CST2
65
P18/REB
66
P17/CAM2
67
P16/AUTO1
68
P15/AUTO2
69
P14/CAM1
70
P13/CST1
71
P12/REA
72
VDD4
73 ~ 83
P11 ~ P1
84
P39
85
O-KEYSCAN
86
MOTOR
87
SOL1
88
SOL2
89
VSS2
90
VDD2
91
DISH-RVS
92
DISH-FWD
93
OPEN
94
CLOSE
I-RDS-DATA/
95
O-CD-DATA
96
CD-XLT/I/O-BUSY
97
CD-CLK
98
CD-LED
I-IFC/
99
I-CD DATA
I-STEREO/
100
O-CLK
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I/O
O/I
FL segment P27 output/RHYTHM setting switching input. H: Present (Not used).
O
FL segment P26 output/KEYCON function detection.
O/I
FL segment P25 output/Super VCD detection (Not used).
O/I
FL segment P24 output/ECO setting switching input. H: ECO mode off.
O
FL segment P23, P22 output.
FL segment P21 output/5.1CH+DOLBY PROLOGIC setting switching input.
O/I
H: Existent (Not used).
O/I
FL segment P20 output/DOLBY PROLOGIC setting switching input. H: Existent (Not used).
O/I
FL segment P19 output/Deck 2 cassette existence detection SW input. L: Existent.
FL segment P18 output/Deck 2 side-B recording able/disable detection SW input.
O/I
L: Able (Not used).
O/I
FL segment P17 output/Deck 2 cam-operation detection SW input. L: ON.
O/I
FL segment P16 output/Deck 1 reel-rotation detection signal input.
O/I
FL segment P15 output/Deck 2 reel-rotation detection signal input.
O/I
FL segment P14 output/Deck 1 cam-operation detection SW input. L: ON.
O/I
FL segment P13 output/Deck 2 cassette existence detection SW input. L: Existent.
O/I
FL segment P12 output/Deck 2 side-A recording able/disable detection SW input. L: Able.
Power supply.
O
FL segment P11 ~ P1 output.
O/I
FL segment P39 output.
O
Segment input timing output. L: Input timing.
O
DECK MECHA motor control output. L: ON.
O
DECK 1 MECHA plunger control output. L: ON.
O
DECK 2 MECHA plunger control output. L: ON.
Connected to GND.
Power supply.
O
CD turntable control output. H: Reverse rotation.
O
CD turntable control output. H: Forward rotation.
O
CD tray control output. L: OPEN.
O
CD tray control output. L: CLOSE.
During TUNER FUNC, RDS serial data input (Not used)./
I/O
During CD FUNC, CD control serial data output.
O
CD DSP control serial LATCH output. LATCH when drop (Not Used)/Input/Output status.
O
CD DSP control serial CLOCK output (Not Used).
O
CD flash window LED control output. H: ON
During TUNER FUNC, IF COUNT data input./
I
Serial data from VCD.
During TUNER STEREO signal input./
I/O
Serial clock output.
– 30 –
Description

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