Hitachi 46W500 Training page 20

DP-3X PROT_CPT and PROT_SW SHUT DOWN DIAGRAM
PDC1
RE35
2.2 Ohm
+220V
1
QE08
CE10
W8A1
REF1
15 Ohm
VM 220V 2
REF2
QEA8
D421~D424
5
1
SW +5.5V
2
SW +9V
SW +9.3V
PROT_CPT SHUT DOWN DIAGRAM
RED CRT PWB
RGB Drives
VM Circuit
RE34
RE31
RE29
PROT_SW SHUT DOWN DIAGRAM
BLUE CRT PWB
VM Circuit
REF5 CEC1
REE9
SIGNAL PWB 2 of 3
SW +2.2V Reg
I404
4
SW +3.3V Reg
I403
3
SW +5V Reg
I402
3
RED GREEN
CRT CRT
PWB PWB
ERG1 PSC
7
VM VM
PROT PROT
BLUE GREEN
CRT CRT
PWB PWB
EGB1 PSC
REF6
8
GAIN GAIN
CONT CONT
C592
SW +2.2V
SW +3.3V
D402
SW +5V
D401
D404
D403
SIGNAL SIGNAL
PWB PWB
PSC PPS4
3 3
VM CPT
PROT PROT
SIGNAL SIGNAL
PWB PWB
PSC PPS4
GAIN
CONT
2 2
GAIN
CONT
R5T4
POWER
PWB
PPS4
Active
Hi
6 6
PROT
CPT
POWER
PWB
PPS4
Active
Lo
5 5
PROT
SW
RL50
Q554
R420
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