Panasonic CQDF783U - AUTO RADIO/CD DECK, Service Manual

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Pin
No.
Port Description I/O (V)
FM AM CD
40 SPEANA
SEL
- O - - -
41 PLL DI PLL data O 0 0 0
42 PLL DO PLL data I 5.1 5.2 5.2
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 ROM chip select O 5.2 5.2 5.2
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)
- - - - -
54 AF MUTE Audio mute signal O 5.2 5.2 5.2
55 INV CNT Inverter control O 5.1 5.1 5.2
56 CD CNT CD power control O 5.1 5.1 5.2
57 MAIN
CONT
Main power control O 5 5 5
58 NC - - - - -
59 RDS
DATA (NC)
- - - - -
60 RESET System reset I 5.2 5.2 5.2
61 RM DATA Remote control
data I - - -
62 BATT Battery detekut I 5.2 5.2 5.2
63 RDS CLK
(NC)
- - - - -
64 CDC STB (Ground pull down) - 0 0 0
65 ROTARY 1 Rotary encoder
input 1
I 5.2 5.2 5.2
66 ROTARY 2 Rotary encoder
input 2
I 5.2 5.2 5.2
67 VSS0 Ground - 0 0 0
68 VDD1 +5V power supply - 5.2 5.2 5.2
69 X2 Crystal oscillator - 3 3 3
70 X1 Crystal oscillator - 2.5 2.5 2.5
71 TEST (Test terminal) - 0 0 0
72 XT2 Crystal oscillator - 2.9 2.9 2.9
73 XT1 Crystal oscillator - 2.6 2.6 2.6
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