JVC PD-Z35DV4 Service Manual page 10

2.3.4 PANEL CPU [INTERFACE PWB : IC807] PIN FUNCTION
Pin
Pin name I/O
No.
1 SYSTEM0 I
2 SYSTEM3 I
3 AVCC I
4 X2 -
5 X1 -
6 VCL -
7 RES I
8 TEST I
9 VSS -
10 OSC2 O 16MHz for system clock
11 OSC1 I
12 VCC I
13 PW_LOB O Power control [ON : L]
14 PANEL_PW_ON O Panel power control [ON : L]
15 TALK_RST O Not used
16 CODEC_RST O Not used
17 I2C_STOP O I
18 NC O Not used
19 PSCK O Not used
20 PLE O Not used [PD-Z42DV4, PD-Z42DV4/S] /
21 CLE O Not used
22 PSSC O Not used
23 SDA1 I/O I
24 FAN O Not used
25 SCL1 O I
26 SDA0 I/O I
27 SCL0 O I
28 SDA2 / SDATA I/O I
29 SCL2 / SCK O I
30 LE O Not used [PD-Z42DV4, PD-Z42DV4/S] /
31 SDA3 I/O Not used
32 SCL3 O Not used
33 NC O Not used
34 NC O Not used
35 NMI I
36 A_MU O Audio muting [Muting : H]
37 (HD) I
38 ON_TIMMER O Not used
39 REMO I
40 POWERLED O Not used
41 P85 I
42 P86 I
43 P87 I
44 SCK3 O Port for writing on board
45 RXD I
46 TXD O Port for writing on board
47 AC_DET / ALARM I
48 NC O Not used
49 RXD2 I
50 TXD2 O Data transmission for chassis CPU
51 NC O Not used
52 MECA_SW I
1-10 (No.YA101)
Function
PDP size select [1.75V : 42V VGA
3.25V : 35V VGA]
PDP maker select [0V : SAMSUNG
3.25V : NEC]
5.0V
Not used
GND
GND
Reset [Reset : L]
GND
GND
16MHz for system clock
5.0V
2 C bus stop control [Stop : L]
PDP communication for DVI format
conversion [PD-Z35DV4, PD-Z35DV4/S]
C bus data (for panel memory)
2
2 C bus clock (for panel memory)
C bus data (for BBE / surround / audio control,
2
temp. sensor)
C bus clock (for BBE / surround / audio control,
2
temp. sensor)
2 C bus data (for PDP communication)
C bus clock (for PDP communication)
2
PDP communication for DVI format
conversion [PD-Z35DV4, PD-Z35DV4/S]
Port for writing on board control [Writing : L]
Not used
Not used
Emulator connection / Port for writing on
board [Writing : H]
Emulator connection
Emulator connection
Port for writing on board
AC power frequency detection
[Detection : H] [PD-Z42DV4, PD-Z42DV/S] /
PDP communication for DVI format
converstion [PD-Z35DV4, PD-Z35DV4/S]
Data receive for chassis CPU communication
communication
Not used
Pin
Pin name I/O
No.
53 VD I Vertical sync
54 REC_DET I Not used
55 I2C_READY / PSS I PDP I
[Prohibition : L / Permission : H]
[PD-Z42VD4, PD-Z42DV4/S] /
PDP communication for DVI format
converstion [PD-Z35DV4, PD-Z35DV4/S]
56 FAN_LOCK I Not used
57 SYSTEM2 I Not used
58 SYSTEM 1 I Not used
59 THEM_DET I Temp. sensor detection [Detection : H]
60 (AMP_PRO2) - GND
61 AMP_PRO1 I Not used
62 EE_CDS I Not used
63 KEY_IN1 I Not used
64 KEY_IN2 I Not used
Function
2 C communication select