Pioneer PDP-508XG Service Manual page 25

5
Power supply status - ON
Microcomputer
output port state
IR/Key/
232C
IF: ACTIVE ON
ON
Main: RELAY2
Main: PSW1
ON
SW
Module: RELAY
ON
LED
Module: DRF_B
ON
Microcomputer
input port state
Main: RST4
ON
EEPROM
Main: RST2 ON
VBI/
USB
Module: RST2
ON
Main
EEPROM
Digital
BAK_EEP
Sensor
A state when it displays a picture on the PDP. (Blue LED: ON)
All devices are electrified.
5
6
AC_DET
IF ucom
M_SW_DET
ACTIVE
M_SW_DET_B
RST3
AND
RST4
DCDC/REG
Main_
PSW1
ucom
AND
RST2
VDEC
EMG_USB
HDMI
ASIC
LVDS-Tx
RELAY2
"PON"
OR
RELAY
DCDC/REG
Module_
ucom
AND
DRF_B
Address
X/Y Drive
Scan
DRIVE
DCDC/REG
PDP-508XG
6
7
ON OFF
R
US_SW
DCDC/REG
I/O
PDET
MSP
AV-SW
A.TUNER
FAN
D.TUNER
RGB-SW
D-AMP
(XDA)
AD
LVDS-Rx
DAC
SQ ASIC
RST2
ASIC ADDRESS
7
8
V+3.3V_STB
Power supply
V+5.1V_STB AC
STB
AC_
DET
Main
Switch
M_SW
_DET
Jumper
P11
Relay
V+35V
Vcc
V+16.5V
V+12V
V+6.5V
V+5.1V
Vsus
Vadr
VSUS
VADR
DRIVE/SCAN
8
A
B
C
D
E
F
25