JVC KD-LH3105, Service Manual

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(No.49839)1-39
57 NC O Not use
58 VOL1 I Rotary encoder input 1
59 VOL2 I Rotary encoder input 2
60 NC - Not use
61 AGND - Analog ground
62 to 65 KEY0 to KEY3 I Key 0 to 3 input AD terminal
66 VDD - Power supply
67 SWLED0 O SW_LED flashing output 0 for [VOL] key LED
68 SWLED1 O SW_LED flashing output 1 for [SEL] key LED
69 SWLED2 O SW_LED flashing output 2 for [DISP] key LED
70 DISPCLK I Serial communication clock input
71 DISPDATA I Displaying data input (Serial)
72 KEYDATA O Key code data output (Serial)
73 SIFDA I/O On board serial writing data input/output, pull up
74 SIFCK I On board serial writing clock input, pull up
75 NMI I NMI (H fix)
76 DISPCE I Chip enable input for serial communication
77 - Ground
78 PSAVE2 I POWER SAVE2 (Memory power supply off) detecting input
79 NC - Not use
80 KEY_IN I Key interrupt input
81 ADSEP I Address data separate/common mode setting terminal
H: separate mode
82 RESET I Reset input (L: reset)
83 VDD - Power supply terminal
84 to 91 D0 to D7 I Extension memory input 0 to 7
92 GND - Ground
93 to 100 P10 to P17 I LCD data bus input/output 0 to 7
Pin No. Symbol I/O Function