JVC KD-LH2000R Service Manual page 37

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Pin NO. Name
61 AGND
62 KEYO
63 KEY1
64 KEY2
65 KEY3
66 VDD
67 SWLED0
SWLED1
68
SWLED2
69
70 DISPCLK
71 DISPDATA
72 KEYDATA
73 SIFDA
74 SIFCK
75 GND
76 DISPCE
77 GND
78 PSAVE2
79 REMOTE
80 KEY_IN
ADSEP
81
RST
82
83 VDD
84~91 D0~D7
92 VSS
93~100 LCDDB0~LCDDB7
TE
L 13942296513
BU4066BCFV (IC131) : Quad analog switch
1.Pin layout & Block diagram
VDD
14
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IN1
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I/O Function
- Analog terminal GND
I KEY0 input AD terminal
I KEY1 input AD terminal
I KEY2 input AD terminal
I KEY3 input AD terminal
-
O Output for SW_LED Flushing 0 (LED for [VOL] key)
O Output for SW_LED Flushing 1 (LED for [MODE]+[DISP]+[EQ] key)
O Output for SW_LED Flushing 2 (LED for [CD / CD-CH]+[FM / AM] key)
I Clock input for serial communications
Display data input (Cereal)
I
O Key code data output (Cereal)
I/O Onboard cereal writing data I/O terminal, Pull-up
I Onboard cereal writing clock input terminal, Pull-up
I
I Tippinabl input for serial communications
O
I POWER SAVE 2 (Memory power supply OFF) detection input
I Remote control input by codes terminal
I Key interrupt input
I Address data separation / common mode set terminal (H : Separation mode)
I Reset input terminal ("L" resets by the input)
- Power supply terminal
Enhancing memory input terminal 0~7
I
- GND
I/O LCD data bus I/O terminal 0~7
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IN3
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Vss
KD-LH2000R
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