Kenwood KDC-W8534 Service Manual page 12

KDC-W8534/W8534Y
KDC-X790
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
61 PSEL
62 2.5VDD
63 VSS
64 MODE0
65 MODE1
66 PAN RST
67 AVDD1
68,69 NC
70,71 AVSS1,AVSS0
72 AVDD0
73 WAVE IN
74 F01
75 F02
76 F03
77 F04
78 F05
79 F06
80 NC
81 2.5VDD
82 VSS
83 NC
84 TYPE
85 NC (VREFCON)
86 REMO
87 PON FL+B
88 PON FLVDD
89 PON 5V
90~93 NC
94 WE
95 OE
96,97 NC
98 3.3VDD
99 VSS
100 FROMCHK
101 CE
102~104 NC
105 ROMCOR SCL
106 ROMCOR SDA
107 NC (SEL E2P)
108 PON TRI GREEN
109 PON TRI RED
110 PON BLUE
12
I/O Function
-
-
-
-
-
I Input from reset IC
I D/A conversion reference voltage
-
- D/A conversion reference GND
- A/D conversion reference voltage
I Voice input
I BPF (63Hz)
I BPF (150Hz)
I BPF (330Hz)
I BPF (1kHz)
I BPF (3.3kHz)
I BPF (10kHz)
-
-
-
- Not used
I Whether there is customizing or not designation setting
O Not used
I Remote controller signal
O Fruorescent indicator bias power supply switch
I/O Fruorescent indicator logic section power supply switch
I/O 5V power supply switch
- Not used
I/O Memory data write permission
I/O Memory data transmission permission
- Not used
-
-
- Not used
I/O Memory operation permission
- Not used
- For ROM correction
- For ROM correction
- Not used
I/O Triangle green light ON switch
I/O Triangle red light ON switch
I/O Blue sub-illumination light ON switch
Processing Operation
Connect to VDD
2.5V
Connect to GND
Connect to GND
Pull down
Connect to D3.3V
Pull down
Connect to D3.3V
AD read
AD read
AD read
AD read
AD read
AD read
AD read
Pull down
2.5V
Connect to GND
H : Flash ROM (This model), L : Mask ROM (Other model)
Detection with pulse width
H : ON, L : OFF
H : ON, Hi-Z : OFF
Remote controller IC / Space analyzer IC power
supply H : ON, Hi-Z : OFF
L : Write, H : Wait SW3.3V start up : Hi-Z
L : Data transmission, H : Wait SW3.3V start up : Hi-Z
3.3V
Connect to GND
L : Operation, H : Wait SW3.3V start up : Hi-Z
H : Light ON, Hi-Z : Light OFF, When blackout : Light ON
H : Light ON, Hi-Z : Light OFF
H : Light ON, Hi-Z : Light OFF