Pioneer KRP-500P Service Manual page 41

5
Function Standby
LED
KEY
232C
CEC
EEPROM
VBI
DP Tx
MR
Main
(MR) Output port setting
IF: ACTIVE
ON
MR Main: RELAY2
ON
MR Main: PSW1 OFF
(MR) Input port state
MR Main: RST4
ON
MR Main: RST2 OFF
MR Main: PD_TRG OFF
(MR) Operation outline
• Besides the standby power circuits, part of the
Vcc circuits are also activated.
• RGB-SW/AD IC uses the power-save function
of the IC.
(Panel) Output port setting
Panel Main: MAIN_PWR_CTL ON
Panel Main: PWR_CTL_MD ON
OFF
Panel Main: CLS_CTL
DP Rx: HPD
ON
Module: RELAY1 / KDD OFF
Module: DRF_B OFF
(Panel) Input port state
Main: DC_IN OFF
OFF
Module: RST2
OFF
Module: PS_PD/PD_TRG_B
(Panel) Operation outline
Periphery of the Panel main
microcomputer, IR, DP Rx and module
microcomputer are operated.
(As same state as the active standby)
5
6
AC_DET
IF ucom
SW
ACTIVE
RST3
PD_TRG
RST4
AND
MR_
Main ucom PSW1
DCDC/REG/SW
RST2
VDEC
HDMI
ASIC
System Cable
IR
LED
ACTIVE
Panel_
DP Rx
Main ucom
HPD
AUX_CH
CLS-LVDS
Main
EEPROM
RLS
RLS
RELAY2(No Use)
Digital
"POF"
RELAY1
EEPROM
Module_
ucom
Sensor
TEMP1
DRF_B
BACK_EEP
X/Y Drive,Scan
DRIVE
SCAN
Panel
KRP-500P
6
7
RELAY2
EMG_DDC
DCDC/REG/SW Key
FAN
SAT.TUNER A.TUNER
A.D.TUNER
AV-SW
S2DEMOD D.TUNER
COFDM
MSP MAP
CIMAX A.TUNER VBI
CIF
LNB AAC-DEC
RGB-SW
BCM(HD)
HE-AAC BCM
AD
ON OFF
SW
AC_DET_B
MAIN_PWR_CTL
OR
M_SW_DET_B
CLS_CTL
REG CLS-5V
DC_IN
FAN
SW REG
PWR_CTL FAN
_MD
TEMP PWM
OR
PS_PD/PD_TRG_B
KDD OR
RST2 PD
DCDC/
DAC
REG
ASIC
AND
PD
Address
ADDRESS
ASIC
DCDC/REG
7
8
V+3_4V_STB
V+5_1V_STB
STB
Trans
AC_DET
RELAY
ucom
PD
Vcc
TEMP2
Trans
V+17V
V+12V
V+6_5V
Power
V+3_4V_STB
V+5_1V_STB
STB
Trans
AC_DET
AUDIO
M_SW_DET
D-AMP
RELAY
ucom
RELAY
PS_PD
EXT_PD
EXT_PD V+17V
V+12V
Vcc
V+6_5V
Trans
VSUS
DRF_B
Vs/Va VADR
Trans
Power
PD
DRIVE
SCAN
8
A
AC
B
AC
C
Main
Switch
D
E
F
41