Pioneer PDP-V402, Service Manual

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PDP-V402
166
No. Pin Name I/O Description
1 OPTION I Terminal ASSY detection H: Non existence, L: Existence
2 I
2
CCLK I/O I
2
CBUS CLOCK L: During standby Normally, input port
3 I
2
CDATA I/O I
2
CBUS DATA L: During standby Normally, input port
4 N.C. I No Care (10k
Ω
pull down)
5 PD_TEMP I P.D. temperature detection input
L: When detection temperature of temperature sensor (2) (set ambient air temperature) is equal to or less than 65
degrees in standby.
H: When detection temperature of temperature sensor (2) (set ambient air temperature) is equal to or more than 65
degrees.
H: Standby
=
POWER ON; 5msec, POWER ON
=
Standby; 50msec
6 FAN_TEMP I FAN temperature detection input
L: When detection temperature of temperature sensor (2) (set ambient air temperature) is equal to or less than 50
degrees in standby
H: When detection temperature of temperature sensor (2) (set ambient air temperature) is equal to or more than 50
degrees
H: Standby
=
POWER ON; 5msec, POWER ON
=
Standby; 50msec
7 SPI_CLK O SPI clock output port L: During standby Normally, L output
OSD, DAC control use (active low). Data is decided by rise-up of clock.
8 SPI_OUT O SPI data output port L: During standby Normally, L output
OSD, DAC control use (active low). Data is decided by rise-up of clock.
9 HZ60_75 O Switching vertical frequency when VGA input
L: During standby, VGA@72Hz input, VGA@75Hz input, H: Other condition
10
N.C. I No Care (10k
Ω
pull down)
11
12 H_SYNC I H SYNC input H.SYNC input for signal distinction (negative polarity)
13 V_SYNC I V SYNC input V.SYNC input for signal distinction (negative polarity)
14 FAN_SW O Cooling FAN revolution speed control output H: During standby
H: Detection temperature of temperature sensor (1) is equal to or less than 50 degrees
L: Detection temperature of temperature sensor (1) is equal to or more than 50 degrees
15 P_DOWN O P.D.output H: During standby
H: Detection temperature of temperature sensor (2) is equal to or less than 65 degrees
L: Detection temperature of temperature sensor (2) is equal to or more than 65 degrees
16 N.C. I No Care (10K
Ω
pull down)
17 EP_RST O E
2
PROM reset cancel Always supply power source in E
2
PROM by Loutput.
When u-com was reset, this port becomes high impedance, and E
2
PROM is reset
18 BUSY2 O BUSY signal output in built-in flash memory renewal H: During notes, blanking
19 SCL2 I Serial clock input in built-in flash memory renewal 0-5V serial signal input
20 SCI_TXD O RS-232C transmitted data output H: Normal
RS-232C transmitted data (0-5V serial signal output)
21 SCI_RXD I RS-232C transmitted data input Serial clock input/output in built-in flash memory renewal
SDA2 H: Normal, RRS-232C transmitted data (0-5V serial signal input)
22 REM_IN I Remote control code input port H: Normal
0-5V serial signal input when remote control key input (active low)
7.2 IC
M38869FFAHP (PD5620) (IC7002: CONTROL ASSY)
System Control Micro-computer
Pin Function
¶
The information shown in the list is basic information and may
not correspond exactly to that shown in the schematic diagrams.