Printed Wiring Board Diagrams - Sanyo PLV-55WHD1 Service Manual

■ Printed Wiring Board Diagrams

PWB ASSEMBLIES LOCATION
JOINT
POWER
COVER SW
LED
LED (SIDE:A)
POWER READY
(GREEN) (RED)
D2856 D2851
D2858 D2857
D2853
D2852
Q2856
R2854 R2853
R2868 R2867
NTH15
1AA4B10C5490B
Side_A
LED (SIDE:B)
RC2801
K28G
PCB_M8PA
BALLAST
AV
MAIN
KEY
LAMP REPLACE
RC2801
SW2891 SW2892 SW2893
POWER-SW
C2801
R2891 C2802
R2801
C2891
R2864 R2865
D2891
R2892
NTH14
1 9
K28A
A30C5
MAIN
"K8K"
Side_B
A30C5
DIGITAL
WARNING
(YELLOW) (RED)
D2861
D2866
D2867
D2862
Q2866
Q2861
R2862 R2863
NTH13
K28G
CAUTION
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold
sides (secondary circuit) at the same time.
2. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit when
measuring of voltages and waveforms.
COVER SW (SIDE:A)
1AA4B10C5490C
SW1861
JOINT
K18S
"K18U"
A30C5
Side_A
JOINT (SIDE:A)
MAIN
"K8S" COVER SW
"K18S"
1
A30C5 3
SW902
K18V
(Thermal SW)
1AA4B10C5490E
KEY (SIDE:A)
R8867
C8863
SW6801
R6802
D6801
R6801
MAIN
C6801
D6802
"K8T"
SW6803
SW6804
SW6806
COVER SW (SIDE:B)
SW1861
A30C5
Side_B
JOINT (SIDE:B)
A30C5
KEY (SIDE:B)
A9