Pioneer PDP-508XG Service Manual page 23

5
Power supply status - Active standby (Main switch off)
Microcomputer
output port state
IR/Key/
232C
IF: ACTIVE ON
OFF
Main: RELAY2
Main: PSW1 OFF
Module: RELAY OFF
LED
OFF
Module: DRF_B
Microcomputer
input port state
Main: RST4 OFF
EEPROM
Main: RST2 OFF VBI/
USB
Module: RST2 OFF
Main
EEPROM
Digital
BAK_EEP
Sensor
The user operation is invalid. (All LED: OFF)
Standby power devices (periphery of IF/Main/Module microcomputer) operate.
Power supply status - Passive standby
Microcomputer
output port state
IR/Key/
232C
OFF
IF: ACTIVE
OFF
Main: RELAY2
OFF
Main: PSW1
OFF
Module: RELAY
LED
Module: DRF_B OFF
Microcomputer
input port state
OFF
Main: RST4 EEPROM
VBI/
OFF
Main: RST2
USB
OFF
Module: RST2
Main
EEPROM
Digital
BAK_EEP
Sensor
Remote control unit waiting state. (Red LED: ON)
Among standby power devices, only the IF microcomputer periphery operates.
5
6
AC_DET
IF ucom
M_SW_DET
SW
ACTIVE
M_SW_DET_B
RST3
AND
RST4
Main_
PSW1
ucom
AND
RST2
EMG_USB
RELAY2
OR
RELAY
Module_
ucom
DRF_B
X/Y Drive
Scan
DRIVE
DCDC/REG
AC_DET
IF ucom
M_SW_DET
SW
"kill me"
ACTIVE
M_SW_DET_B
RST3
AND
RST4
Main_
PSW1
ucom
AND
RST2
EMG_USB
RELAY2
OR
RELAY
Module_
ucom
DRF_B
X/Y Drive
Scan
DRIVE
DCDC/REG
6
7
ON OFF
R
DCDC/REG I/O
PDET
DCDC/REG
A.D.TUNER A.TUNER
AV-SW
A.TUNER D.TUNER
A.TUNER
FAN
VDEC
VBI VBI
HDMI
D.TUNER BCM BCM
ASIC RGB-SW
D-AMP
iLink (XDA) POD
LVDS-Tx AD
USB(Reg.) AAC-DEC
LVDS-Rx
DCDC/REG
DAC
SQ ASIC
RST2
AND
Address
ASIC ADDRESS
ON OFF
R
DCDC/REG
I/O
PDET
DCDC/REG
A.D.TUNER A.TUNER
AV-SW
A.TUNER
D.TUNER A.TUNER
FAN
VDEC
VBI VBI
HDMI
D.TUNER
BCM BCM
ASIC RGB-SW
D-AMP
(XDA)
iLink POD
LVDS-Tx AD
USB(Reg.) AAC-DEC
LVDS-Rx
DCDC/REG
DAC
SQ ASIC
RST2
AND
Address
ASIC ADDRESS
PDP-508XG
7
8
V+3.3V_STB
Power supply
V+5.1V_STB
STB
US_SW
AC_
DET
MAP
MAP MSP
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
V+3.3V_STB
Power supply
V+5.1V_STB
STB
US_SW
AC_
DET
MSP MAP MAP
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
AC
Main
Switch
B
C
AC
D
Main
Switch
E
F
23