JVC LT-26WX84 Service Manual page 8

2.2.2 MAIN MICRO COMPUTER (CPU) FUNCTION
Pin No.
1 BS_RXD
2 MICON_V
3 LB_PRO
4 NC
5 /RST
6 HDMI_INT
7 /TEST
8 OSD_YS
9 (DPCRST)
10 BS/DIN
11 (A_MU)(LED_5)
12 MICON_H
13 (A_MU)(LED_4)
14 P46,OSDXI
15 P45,OSDXO
16 (SDA2)
17 AC_IN
18 (SCL2)
19 (TU_POW)
20 VCOI
21 PDO
22 /IP_RESET
23 OSD_YM
24 OSD_B
25 POW_LED
26 OSD_G
27 OSD_R
28 VRE
29 IP_ERR
30 IREF
31 COMP
32 AVDD
33 CLL
34 VREFLS
35 SUB_CCD
36 NC
37 VSS
38 MAIN_CCD
39 VREFHS
40 CLH
41 VDD/VPP
42 CLKSW1
43 CLKSW2
44 ON_TIM
45 SBO01
1-8 (No.YA089)
Pin name I/O
O Not used
I Vertical sync for OSD / CLOSED CAPTION
I Low B protection detect [Detection : H]
--- Not used
I Reset [Reset : L]
I Not used
I 3.3V
O YS for OSD / CLOSED CAPTION
O Not used
O Not used
O Not used
I Horizontal sync for OSD / CLOSED CAPTION
O Not used
--- Not used
--- Not used
I/O Not used
I AC power (60Hz) for time clock
O Not used
O Not used
I LPF input
O LPF output
O Reset (L) [Reset : L]
O YM for OSD / CLOSED CAPTION
O B signal output for OSD / CLOSED CAPTION
O Lighting for power [Lighting : H]
O G for OSD / CLOSED CAPTION
O R for OSD / CLOSED CAPTION
I Reference voltage
I AMDP program load
I Reference current
I Reference conpare
I 3.3V
O Not used
I Reference voltage (For SUB CCD)
I Not used
--- Not used
I GND
I Not used
I Standard voltage (For Main CCD)
I Not used
I 3.3V
O IP clock switch [ON : L]
O IP clock switch [ON : L]
O Not used
O Port for writing on board
Function