Philips for Intel Socket 775 processor Service Manual page 31

Block Diagrams, Testpoint Overview, and Waveforms
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S37" SDv4
SX
D5VL
VG
GND
Vscan
GND
Vset
GND
GND
VS
VS
CN8003
VA
D5VL
GND
CN8005
VR8002
VSCAN
CN8004
8V_STBY
VA
GND HIC8003
VSCAN
+8.8 V
D5VL
VA8008
GND
V9
+5.2V
VE
GND
VSET
VSET
+12V
VG
GND
+8.6V
POWER_OK
+ 6.2V
5V_Relay
+12V
GND D3V3
STANDBY GND
VA8003
AC_DET
DC_PR07
POWER_OK
DC_PR07
PIRO
PIRO
GND
GND
GND
PFC_OK
GND
GND
+6V2
THEM_SEN
+5V2
CN8007
A5SY CODE
LJ44-00084A
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Output
voltage(V)
PFC
VS
VA
VE
VSET
VSCAN
D5VL
D3V3
VCC
5V2
9V_Standby
V5
VR8005
VR8009
VG
VR8004 VR8006
D5VL
VA
VE
D5VL D3V3
GND
CN8006
SERIAL NO.
Output
voltage(V)
VS
VA
VE
VSET
VSCAN
D5VL
D3V3
VCC
5V2
9V_Standby
Voltage Setting
(Nominal Load λ)
Check voltage label on the PDP
for correct values.
HOT(LIVE)
0V
CN8008
VPFC
VA8007
L D8001
L D8004
D3V3
+5V2
Vedj L D8003
Vuo
Voltage Setting
(Nominal Load λ)
Check voltage label on the PDP for
correct values.
S/SD/HD 3.1 PDP 6.
Output Voltage
Variable Point
370V ~ 400V
160V ~ 185V
65V ~ 80V
150V ~ 170V
160V ~ 180V
-55V ~ -75V
4.0V ~ 6.0V
2.8V ~ 4.0V
Fixed
3.5V ~ 6.0V
Fixed
VPFC
VR8001
PBA Flev
A B C D E F G H
1 2 3 4 5 6 7 8
N AC INPUT L
100-240V ~ 50/60Hz 6.3 A
PS-374-PH 20040420 ED05
Output Voltage
Variable Point
160V ~ 185V
60V ~ 80V
165V ~ 195V
160V ~ 180V
-145V ~ -175V
5.0V ~ 6.0V
2.8V ~ 3.8V
Fixed
4.5V ~ 5.6V
Fixed
EN 31
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