JVC PD-42WV74 Service Manual page 8

2.2.2 MAIN MI-COM FUNCTIONAL TABLE [RECEIVER UNIT]
Pin No. Terminal name
1 BS-RxD
2 /MICON_V
3 LB_PRO
4 NC
5 /RST
6 CONV.BUSY
7 /TEST
8 OSD_YS
9 /DPCRST
10 BS/D
11 A_MU
12 /MICON_H
13 M_MU
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 VREF
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 PDP-Rx
1-8 (No.YA029)
Port name I/O
SBO0 O PDP communication
/VSYNC I Vertical sync for OSD
P84 I Low B protection detect [Detection : H]
NC - Not used
/RST I Reset for CPU [Reset : L]
P52 IRQ4 I Not used
/TEST I 3.3V
YS O OSD Ys
P83 O Not used
P50 O Not used
P82 O Audio muting [Muting: H]
/HSYNC I Horizontal sync for OSD
P81 O Not used
P46 OSDXI - Not used
P45 OSDXO - Not used
P44 I/O Not used
TM5IOB I AC power supply (60Hz)
P42 O Not used
P41 O Tuner power control [ON : L]
VCOI I LPF input
PDO O LPF output
P80 O Reset (L) [Reset : L]
DAYMOUT O OSD YM
DABOUT O OSD B
P77 O Lighting for power [Lighting : H]
DAGOUT O OSD G
DAROUT O OSD R
VREF I Not used
P76 I AMDP program load
IREF I Not used
COMP I Not used
AVDD I 3.3V
CLL O Not used
VREFLS I Standard voltage (For SUB CCD)
CVBS1 I Not used
NC - Not used
VSS I GND
CVBS0 I Not used
VREFHS I Standard voltage (For MAIN CCD)
CLH I Not used
VDD(VPP) I 3.3V
P75 O IP clock switch [ON : L]
P74 O IP clock switch [ON : L]
P27 O Not used
SBO1 O PDP communication
Function