JVC LT-37DR1BJ Service Manual page 9

2.4.2 VIDEO PROCESSING CPU PIN FUNCTION
Pin Pin name I/O
1 REQUEST O Request for MIPS
2 NC - Not used
3 NC - Not used
4 NC - Not used
5 NC - Not used
6 BYTE I L fixed
7 CNVSS - GND
8 NC - Not used
9 NC - Not used
10 RESET I CPU reset [Reset = L]
11 XOUT O X'tal oscillation for CPU system clock (12.5MHz)
12 VSS - GND
13 XIN I X'tal oscillation for CPU system clock (12.5MHz)
14 VCC - 3.3V power supply
15 NC - Not used
16 BL_ON_IN I Detect power on/off control of back-light
17 MAIN_VD I RGB_Vsync input
18 VD I Vsync of LVDS drive
19 NC - Not used
20 SCL_EEPROM O Clock for I2C bus (for IC4102: MEMORY)
21 NC - Not used
22 SDA_EEPROM I/O Data for I2C bus (for IC4102: MEMORY)
23 VD I Vsync of LVDS drive
24 NC - Not used
25 NC - Not used
26 NC - Not used
27 SCL3 I Clock for I2C bus
28 SDA3 I/O Data for I2C bus
29 E8_DATAO O Data for Debugging Emulator
30 E8_DATAI I Data for Debugging Emulator
31 E8_CLK I Clock for Debugging Emulator
32 E8_BUSY O Busy for Debugging Emulator
33 T2R_TXD O Serial Interface for service
34 T2R_RXD I Serial Interface for service
35 NC - Not used
36 NC - Not used
37 MODE_SEL I H fixed
38 NC - Not used
39 E8_EPM I Setting for flash write mode
40 NC - Not used
41 NC - Not used
42 NC - Not used
43 FORZA_RST O Reset for IC5001
44 E8_CE I Setting for flash write mode
45 SDA_FORZA I/O Data for I2C bus (for IC5001)
46 SCL_FORZA O Clock for I2C bus (for ICIC5001)
47 NC - Not used
48 NC - Not used
49 CS O SPI chip select for LVDS drive
50 CARIB_RST O Reset for LVDS drive
51 BL_ON O Power on/off control for back-light [ON = H]
52 LCD_POW O Power on/off control for LCD drive [ON = H]
[IC4101 : MAIN PWB]
Function
Pin Pin name I/O
53 LVDS_SEL - Not used
54 NC - Not used
55 NC - Not used
56 NC - Not used
57 MODE3 - Not used
58 MODE2 - Not used
59 MODE1 - Not used
60 VCC - 3.3V power supply
61 MODE0 - Not used
62 VSS - GND
63 NC - Not used
64 NC - Not used
65 NC - Not used
66 NC - Not used
67 NC - Not used
68 NC - Not used
69 NC - Not used
70 NC - Not used
71 STATUS - Not used
72 NC - Not used
73 LCD_POW_IN I Detect power on/off control of LCD drive
74 AUDIO_RST O Reset for IC4501
75 SDA_AUDIO O Data for I2C bus (for IC4501)
76 SCL_AUDIO O Clock for I2C bus (for IC4501)
77 NC - Not used
78 NC - Not used
79 NC - Not used
80 NC - Not used
81 NC - Not used
82 NC - Not used
83 NC - Not used
84 NC - Not used
85 NC - Not used
86 NC - Not used
87 NC - Not used
88 NC - Not used
89 NC - Not used
90 NC - Not used
91 NC - Not used
92 NC - Not used
93 RF_AGC - Not used
94 AVSS - GND
95 EE_SENS I Eco sensor detection
96 VREF - 3.3V power supply
97 AVCC - 3.3V power supply
98 MISO O SPI data for LVDS drive
99 MOSI I SPI data for LVDS drive
100 SCLK O SPI clock for LVDS drive
Function
(No.YA688<Rev.001>)1-9