JVC LT-26A70BJ Service Manual page 10

2.4.2 MAIN CPU PIN FUNCTION
Pin Pin name I/O
1 P9_4 O PANEL_POWER_CONTROL
2 P9_3 O POWER
3 P9_2 O SC_RGB_CONTROL
4 P9_1 O SOUNDAMP_POWER
5 HP_DET I HEADPHONE_DETECT
6 BYTE I BYTE
7 CNVSS I CNVSS
8 XCIN - Not used
9 XCOUT - Not used
10 CPU_RESET I /RESET
11 XOUT O XOUT
12 VSS - VSS
13 XIN I XIN
14 VCC1 I 3.3V
15 P8_5 - Not used
16 P8_4 - Not used
17 /INT1 I PX_INT#
18 /INT0 I REMOCON
19 P8_1 - Not used
20 P8_0 O LED_ON
21 P7_7 O HDMI_DETECT
22 P7_6 O SOUNDAMP MUTE
23 P7_5 I DEBUG
24 P7_4 O BACKLIGHT_CONTROL
25 P7_3 O HDMI_DAC_MUTE
26 P7_2 - Not used
27 P7_1 I/O SCL_EEP
28 P7_0 I/O SDA_EEP
29 P6_7 I/O TX
30 P6_6 I/O RX
31 P6_5 I/O DEBUG3
32 P6_4 I/O DEBUG2
33 P6_3 I/O SDA_DEVICE
34 P6_2 I/O SCL_DEVICE
35 P6_1 O RESET_for_PX
36 P6_0 O RESET_for_MSP
37 P5_7 - Not used
38 ALE O PX,FLASH_ALE
39 P5_5 I/O DEBUG6
40 P5_4 - Not used
41 P5_3 - Not used
42 /RD O PX,FLASH_RD#
43 /WRH /BHE O RY_BY
44 /WR O PX,FLASH_WR#
45 /CS3 - Not used
46 /CS2 O PX_CHIPSELECT#
47 /CS1 - Not used
48 /CS0 O FLASH_CHIPSELECT#
49 A19 O Program ROM address for CPU
50 A18 O Program ROM address for CPU
1-10 (No.YA492)
[IC3 : MAIN PWB]
Function Pin Pin name I/O
51 A17 O Program ROM address for CPU
52 A16 O Program ROM address for CPU
53 A15 O Program ROM address for CPU
54 A14 O Program ROM address for CPU
55 A13 O Program ROM address for CPU
56 A12 O Program ROM address for CPU
57 A11 O Program ROM address for CPU
58 A10 O Program ROM address for CPU
59 A9 O Program ROM address for CPU
60 VCC2 I 3.3V
61 A8 O Program ROM address for CPU
62 VSS - VSS
63 A7 O Program ROM address for CPU
64 A6 O Program ROM address for CPU
65 A5 O Program ROM address for CPU
66 A4 O Program ROM address for CPU
67 A3 O Program ROM address for CPU
68 A2 O Program ROM address for CPU
69 A1 O Program ROM address for CPU
70 A0 O Program ROM address for CPU
71 P1_7 - Not used
72 P1_6 - Not used
73 P1_5 I TV_LINK_IN
74 P1_4 O EDID_WP
75 P1_3 - Not used
76 P1_2 O TV_LINK_CONTROL
77 P1_1 O TV_LINK_OUT
78 P1_0 I HDMI_PICTURE_SIGNAL_INDICATON
79 D7 I/O Program ROM data for CPU
80 D6 I/O Program ROM data for CPU
81 D5 I/O Program ROM data for CPU
82 D4 I/O Program ROM data for CPU
83 D3 I/O Program ROM data for CPU
84 D2 I/O Program ROM data for CPU
85 D1 I/O Program ROM data for CPU
86 D0 I/O Program ROM data for CPU
87 AN7 I TUNER AGC
88 AN6 I TUNER AFT
89 AN5 I LOW VOLTAGE_PROTECTION
90 AN4 I HDMI_PROTECTION
91 AN3 I POWER_DET
92 AN2 I KEYA
93 AN1 I KEYB
94 VSS - VSS
95 AN0 - Not used
96 VREF I 3.3V
97 AVCC I 3.3V
98 P9_7 O AUDIO_MUTE
99 P9_6 O BACKLIGHT_POWER
100 P9_5 O EEP_WP
Function