JVC pd-42dxt, Service Manual

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PD-42DXT
1-8 (No.52108)
2.3 MAIN MI-COM FUNCTIONAL TABLE [RECEIVER UNIT]
Pin No. Terminal name Port name I/O Function
1 BS-RxD SBO0 O PDP communication port
2 /MICON_V /VSYNC I Vertical synchronizing signal input (For OSD)
3 LB_PRO P84 I Low B protection detect (In detection: H)
4 NC NC - Not used
5 /RST /RST I Reset jack (In resetting: L)
6 CONV.BUSY P52 IRQ4 I Not used
7 /TEST /TEST I 3.3V
8 OSD_YS YS O Y
S
signal output (For OSD)
9 /DPCRST P83 O Not used
10 BS/D P50 O In digital BS: L Other: H
11 A_MU P82 O Sound mute (TV) (In muting: H)
12 /MICON_H /HSYNC I Horizontal synchronizing signal input (For OSD)
13 M_MU P81 O Monitor output mute (In muting: H)
14 P46.OSDXI P46 OSDXI - Not used
15 P45.OSDXO P45 OSDXO - Not used
16 SDA2 P44 I/O Not used
17 AC_IN TM5IOB I AC power supply input
18 SCL2 P42 O Not used
19 TU_POW P41 O Tuner power control
20 VCOI VCOI I LPF input
21 PDO PDO O LPF output
22 /IP_RESET P80 O Reset (L)
23 OSD_YM DAYMOUT O Y
M
signal output (For OSD)
24 OSD_B DABOUT O B signal output (For OSD)
25 POW_LED P77 O Power supply LED (In lighting: H)
26 OSD_G DAGOUT O G signal output (For OSD)
27 OSD_R DAROUT O R signal output (For OSD)
28 VREF VREF I Not used
29 IP_ERR P76 I AMDP program load
30 IREF IREF I Not used
31 COMP COMP I Not used
32 AVDD AVDD I 3.3V
33 CLL CLL O Not used
34 VREFLS VREFLS I Standard voltage input (For SUB CCD)
35 SUB_CCD CVBS1 I Not used
36 NC NC - Not used
37 VSS VSS I GND
38 MAIN_CCD CVBS0 I Not used
39 VREFHS VREFHS I Standard voltage input (For CCD)
40 CLH CLH I Not used
41 VDD/VPP VDD(VPP) I 3.3V
42 CLKSW1 P75 O IP clock switch
43 CLKSW2 P74 O IP clock switch
44 ON_TIM P27 O Not used
45 PDP-Rx SBO1 O PDP communication