Sony CDX-3900R Service Manual page 18

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Pin No. Pin Name
57 SENS
58 —
59 —
60 BU.IN
61 BUSON
62 IN SW
63 SELF SW
64 SCOR
65 CD-CKO
66 LM LOD
67 CD DATA
68 CD-XLAT
69 LM-EJ
70 DRV-OE
71 MD2
72 VDD
73 NIH
74 V/Z
75 PH1
76 —
77 DOUT-SEL
78 – 80 —
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L 13942296513
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I/O
I SENS signal input
— Not used in this set.
— Not used in this set.
I Back-up power detection input
I Bus on control input
I Disc in switch input (SW1)
I Self switch input (SW2)
O Sub-code sync output
O CD signal process serial clock input
O Loading motor control output
O CD signal process serial data output
O CD signal process serial data latch output
O Loading motor control output
O Focus/tracking coil/sled motor control output
O Digital out ON/OFF control output ("L": OFF, "H": ON)
— Power supply pin
I Fixed at "H" in this set.
I Fixed at "H" in this set.
I Not used in this set.
— Not used in this set.
I Fixed at "H" in this set.
— Not used in this set.
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8
Pin Description
Q Q
3 6 7 1 3 1 5
co
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9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9