Sanyo PLV-55WHD1 User manual

FILE NO.
SERVICE MANUAL
LCD Projection TV
REFERENCE NO. SM5110797-00
PRODUCT CODE :
PLV-55WHD1 M8LA 1 122 293 00
PLV-65WHD1 M8PA 1 122 364 00
Original Version MODEL NO. PLV-55WHD1
PLV-65WHD1
U.S.A.
Chassis No. M8L-55WHD100
M8P-65WHD100
NOTE: Match the Chassis No. on the rating
sheet on the cabinet with the
Chassis No. in the Service Manual.
If the Original Version Service
Manual Chassis No. does not
match the unites, additional
Service Literature is required. You
must refer to “Notices” to the
Original Service Manual prior to
servicing the unit.
Give complete “CHASSIS NO." for parts order
or servicing, it is shown on the rating sheet on
the cabinet of the LCD Projection TV.

■Contents.................................................................................................................2
■Safety Instructions..................................................................................................3
■Specifications .........................................................................................................4
■Circuit Protections ..................................................................................................5
■Installation ..............................................................................................................7
■Cleaning ...............................................................................................................10
■Lamp Replacement ..............................................................................................12
■Mechanical Disassemblies...................................................................................15
■Optical Parts Location and Direction....................................................................54
■Adjustments after Parts Replacement .................................................................58
■Optical Adjustments .............................................................................................59
■Electrical Adjustments..........................................................................................72
●Service Adjustment Menu Operation..........................................................72
●Circuit Adjustments .....................................................................................73
●Service Adjustment Data Table...................................................................77
●Test Points Location ...................................................................................84
■Chassis Block Diagrams ......................................................................................85
■Power Supply Lines..............................................................................................94
■Troubleshooting ....................................................................................................95
■Control Port Functions .........................................................................................98
■Waveforms..........................................................................................................100
■IC Block Diagrams .............................................................................................101
■Service Parts List ...............................................................................................106
■Mechanical and Optical Parts List ............................................................106
■Electrical Parts List ...................................................................................123
■Appendix ............................................................................................................148
●Quick Reference of Chassis Disassemblies .............................................148
--------------------------------------------------------------------------------------------------------------------
Drawings & Diagrams .......................................................................... A1 - A15
■Parts description and reading in schematic diagram .......................................... A2
■Schematic Diagrams ....................................................................................A3 - A8
■Printed Wiring Board Diagrams ................................................................ A9 - A14
■Pins description of ICs, transistors, diodes ...................................................... A15
Note: "PTV" may be used as an abbreviation for LCD Projection TV in this manual.
- 2 -
■Contents

KEY No. DESCRIPTION
201 ASSY PRISM (PBS)
202 ASSY LCD PANEL/PRISM
203 LENS CONDENSER (G)
204 LENS CONDENSER (R)
205 LENS CONDENSER (B)
206 LENS RELAY (OUT)
207 LENS RELAY (IN)
208 LENS CONDENSER (OUT)
209 LENS INTEGRATOR
210 LENS INTEGRATOR(OUT-UV)
211 LENS PROJECTION
212 MIRROR (B)
213 MIRROR (R)
214 MIRROR (W)
215 OPTICAL FILTER (B)
216 POLARIZED GLASS (IN/R)DF
217 POLARIZED GLASS (IN/G)
218 POLARIZED GLASS (IN/B)
219 DICHROIC MIRROR (B)
220 DICHROIC MIRROR (G)
201
210
209
212
214
208
211
204
216
213 213
207
220
218
205
203
217
219
215
206
202
- 54 -
■Optical Parts Location and Direction

202-3 POLARIZED GLASS (OUT/B)
202-1
R
G
B
202-3
202-2
202-1 POLARIZED GLASS (OUT/R)
202-2 POLARIZED GLASS (OUT/G)
202 ASSY, LCD PANEL/PRISM
A
B
C
D
E
G
G
G
G
D
B
- 55 -
Optical parts location and direction

MIRROR
The marker comes
this surface side.
Reflective surface
G
Chamfer corner comes
this side up
OPTICAL FILTER (B)
Flat surface side
comes this side.
Film attached side
comes this side.
Chamfer corner comes
this side.
CONDENSER LENS (OUT)
PBS
Rugged surface side
comes this side/
Convex part
Convex
part
INTEGRATOR LENS
Chamfer conner comes
this side up.
DICHROIC MIRROR
AB
CD
E
- 56 -
Optical parts location and direction

Printed marker comes
this side.
Optical filter (LENTI) comes this side.
(Black surface screen comes this side.)
Film side
Film side Polarized glass
Film attached side
comes this side
(LCD panel side)
POLARIZED GLASS(IN)
Film attached side
comes this side.
H
IJ
- 57 -
Optical parts location and direction

Note:
Part order must contain Model No., Chassis No., Part No., and descriptions.
Give complete “Chassis No." for parts order or servicing, it is shown on the rating sheet on the cabinet(rear side) of
the LCD projection TV.
Mechanical and Optical parts
See Model No. and Chassis No.
- 106 -
A: Cabinet back Unit
C: Cabinet bottom cover unit
D: AV panel unit
E: DIgital tuner unit
F: Front cover unit
G: R-side grille KEY unit
H: L-side grille unit
I: Cabinet bottom unit
J: Front panel unit
K: Optical / chassis unit
B: Cabinet front Unit
Fig. PL01
■Mechanical and Optical Parts List■Service Parts List

A: Cabinet back Unit
- 107 -
Mechanical and Optical parts list
8
28
30
29
31
3
S1x16
Fig. PL02-a
Fig. PL02-b

- 108 -
Mechanical and Optical parts list
B: Cabinet front Unit
27
25
26
27
2
7
45
S1
S1
S1
S1
Fig. PL03-a
Fig. PL03-b

- 109 -
Mechanical and Optical parts list
C: Cabinet bottom cover unit
D: AV panel unit
S1 x 10
9
23
21
34
36
36
38
16
S2
S2
S2
S2
Fig. PL04
Fig. PL05