Panasonic CQC3400U - AUTO RADIO/CD DECK, Service Manual

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Pin
No.
Port Description I/O (V)
FM AM CD
26 CD
RFOK
RF OK signal I 0 0 5.0
27 CD
LOCK
CD lock signal I 0 0 5.0
28 CD LIMIT CD limit switch
signal
I 0 0 5.0
29 CD SW1 CD SW1 0 0 0
30 CD SW2 CD SW2 I 5.0 5.0 0
31 NC - - - - -
32 NC - - - - -
33 VSS1 Ground - 0 0 0
34 NC - - - - -
35 NC - - - - -
36 SCL Audio control serial
clock O 5.2 5.2 5.2
37 SDA Audio control data O 5.2 5.2 5.2
38 S LED S LED drive signal O 0 0 0
39 EJ ILL Eject Led drive
signal O 5.2 5.2 5.2
40 NC - - - - -
41 PLL DI PLL data O 0 0 0
42 PLL DO PLL data I 5.0 5.0 5.0
43 PLL CLK PLL data clock O 5.2 5.2 5.2
44 PLL CE PLL chip select O 0 0 0
45 ROM CS (+5V pull up) - - - -
46 PANEL Panel switch signal I 0 0 0
47 OP/CL Open/close detect I 5.1 5.1 5.1
48 LCD5V
CNT
LCD 5V control O 0 0 0
49 EEPROM
DI (NC)
- - - - -
50 EEPROM
SK (NC)
- - - - -
51 DIM1 (Ground pull down) - 0 0 0
52 DIM2 (Ground pull down) - 0 0 0
53 EEPROM
DO (NC)
(Ground pull down) - - - -
54 AF MUTE Audio mute signal O 5.0 5.0 5.0
55 INV CNT Inverter control O 5.0 5.0 5.0
56 CD CNT CD power control O 0 0 0
57 MAIN
CONT
Main power control O 5.0 5.0 5.0
58 NC - - - - -
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