Pioneer PDP-508XG Service Manual page 24

1
A
Power supply status - Active standby
Microcomputer
output port state
IR/Key/
IF: ACTIVE ON
Main: RELAY2 OFF
Main: PSW1 OFF
Module: RELAY OFF
LED
Module: DRF_B OFF
Microcomputer
input port state
Main: RST4
OFF
Main: RST2 OFF
B
Module: RST2
OFF
Digital
C
Sensor
Remote control unit waiting state. (Red LED: ON)
Standby power devices (periphery of IF/Main/Module microcomputer) operate.
Power supply status - Functional standby
Microcomputer
output port state
IR/Key/
D
IF: ACTIVE ON
Main: RELAY2 ON
OFF
Main: PSW1
OFF
Module: RELAY
LED
Module: DRF_B OFF
Microcomputer
input port state
Main: RST4 ON
Main: RST2 OFF
OFF
Module: RST2
E
Digital
Sensor
Remote control unit waiting state. (Red LED: ON)
F
Standby power device and some Vcc power devices operate.
RGB-SW/AD/D-AMP are electrified, but uses the power-saving mode function of the IC.
24
1
2
232C
AC_DET
IF ucom
M_SW_DET
SW
ACTIVE
M_SW_DET_B
RST3
RST4
Main_
EEPROM PSW1
ucom
VBI/
RST2
USB
EMG_USB
Main RELAY2
"POF"
RELAY
Module_
EEPROM
ucom
X/Y Drive
BAK_EEP
Scan
DRIVE
DCDC/REG
232C
AC_DET
IF ucom
M_SW_DET
SW
ACTIVE
M_SW_DET_B
RST3
RST4
Main_
EEPROM
PSW1
ucom
VBI/
RST2
USB
EMG_USB
Main RELAY2
"POF"
RELAY
Module_
EEPROM
ucom
X/Y Drive
BAK_EEP
Scan
DRIVE
DCDC/REG
2
3
ON
DCDC/REG
PDET
AND
DCDC/REG
A.D.TUNER A.TUNER
AND
AV-SW
A.TUNER
D.TUNER A.TUNER
FAN
VDEC
VBI VBI
HDMI
D.TUNER
BCM BCM
ASIC RGB-SW
(XDA)
iLink POD
LVDS-Tx AD
USB(Reg.) AAC-DEC
OR
LVDS-Rx
DCDC/REG
SQ ASIC
RST2
AND
DRF_B
Address
ASIC ADDRESS
ON
DCDC/REG
PDET
AND
DCDC/REG
A.D.TUNER A.TUNER
AND
AV-SW
A.TUNER D.TUNER
A.TUNER
FAN
VDEC
VBI VBI
HDMI
D.TUNER BCM BCM
ASIC
RGB-SW
iLink (XDA) POD
LVDS-Tx
AD
USB(Reg.) AAC-DEC
OR
LVDS-Rx
DCDC/REG
SQ ASIC
RST2
AND
DRF_B
Address
ASIC ADDRESS
PDP-508XG
3
4
OFF
V+3.3V_STB
Power supply
V+5.1V_STB
STB
R
US_SW
AC_
DET
I/O
MAP
MAP
MSP
M_SW
_DET
D-AMP
Jumper
P11
DAC
Vcc
Vsus
Vadr
DRIVE/SCAN
OFF
V+3.3V_STB
Power supply
V+5.1V_STB
STB
R
US_SW
AC_
DET
I/O
MAP
MAP
MSP
M_SW
_DET
D-AMP
Jumper
P11
DAC
Vcc
Vsus
Vadr
DRIVE/SCAN
4
AC
Main
Switch
Relay
V+35V
V+16.5V
V+12V
V+6.5V
V+5.1V
VSUS
VADR
Power
AC
Main
Switch
Relay
V+35V
V+16.5V
V+12V
V+6.5V
V+5.1V
VSUS
VADR