Philips S37SD-YD02 - Page 44

Block Diagrams, Test Point Overview, and Waveforms
EN 44 SDI PDP6.
6.2 PSU Board diagram
6.2.1 PSU 37" SD v4
Figure 6-9 PSU layout
Table 6-1 Adjustment voltage level overview
VSCAN
VR8002
VSET
VA8008
VE
VA8003
A5SY CODE
LJ44-00084A
CN8006
D5VL
D3V3
GND
STANDBY
VS_ON
AC_DET
RELAY
GND
D5VL
GND GND
D3V3 D3V3
SERIAL NO.
D3V3
VA8007
L D8004
Vedj
Vuo
L D8003
VA8208
+5V2
L D8001
PS-374-PH 20040420 ED05
N AC INPUT L
100-240V ~ 50/60Hz 6.3 A
CN8001
PBA Flev
ABCDEFGH I
12345678 9
VPFC
VR8001
V5
VR8009
VR8005
VG
CN8002
SX
VS VS
GND GND GND GND
VE
VG
D5VL
D5VL
VG
GND
Vscan
GND
Vset
GND
GND
VS
VS
SY
CN8003
VA
D5VL
GND
CN8005
BUFFER
CN8004
HIC8003
8V_STBY
GND
+8.8 V
GND
+5.2V
GND
GND
GND
+12V
POWER_OK
5V_Relay
STANDBY
VA
VSCAN
D5VL
V9
VE
VSET
VG
+8.6V
+ 6.2V
+12V
D3V3
GND
AC_DET
DC_PR07
POWER_OK
CN8007
DC_PR07
GND
GND
GND
GND
GND
THEM_SEN
+5V2
PIRO
PIRO
PFC_OK
+6V2
VA
VR8004
VR8006
D5VL
CN8008
DC_VCC
0V 0V
VPFC
VPFC
0V
HOT(LIVE)
IN-2
IN-3
K
A
K
A
K
A
HIC8002 HIC8001
No Output voltage (V) Voltage Setting (Nominal Load) Output Voltage Variable Point
2 VS 170 V 160 V ~ 185 V
3 VA 70V 60 V ~ 80 V
4 VE 180 V 165 V ~ 195 V
5 VSET 173 V 160 V ~ 180 V
6 VSCAN -160 V -145 V ~ -175 V
7 D5VL 5.2 V 5.0 V ~ 6.0 V
8 D3V3 3.3 V 2.8 V ~ 3.8 V
9 VCC 15 V Fixed
10 5V2 5.4 V 4.5 V ~ 5.6 V
11 9V_Standby 8.5 V ~ 9.5 V Fixed
Check voltage label on the PDP for correct values.