Panasonic PT-LW373 / PT-LW333 / PT-LB423 / PT-LB383 / PT-LB353 / PT-LB303 (serv.man3) Service Manual ▷ View online
DIS-17
SECTION 2 DISASSEMBLY PROCEDURES
<LW373/LW333/LB423/LB383/LB353/LB303>
D
B
H
E
C
When disassembling or mounting the optical parts in the Light-
ing block, the parts must be mounted in the specified location
and direction as shown in the figure below.
A
G
2. 5. Parts locations and directions in the lighting case
No.
Parts Name
A
Dichroic mirror (B)
B
Dichroic mirror (G)
C
Condenser lens (R)
D
Condenser lens (G)
E
Condenser lens (B)
F
Reflection mirror(R)
G
Relay lens (IN)
H
Reflection mirror (B)
I
Relay lens (OUT)
F
I
F
Marker comes
this side up
Marker
DIS-18
SECTION 2 DISASSEMBLY PROCEDURES
<LW373/LW333/LB423/LB383/LB353/LB303>
SECTION
3
ADJ-1
(2017-01)
SECTION 3 ADJUSTMENTS
CONTENTS
1. Adjustments Items and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . ADJ-2
2. Optical Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADJ-3
2. 1. Optical center adjustment
3. Electrical adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADJ-4
3. 1. Service adjustment menu operation
3. 2. Circuit adjustment
3. 3. Test points and locations
3. 4. Service adjustment data
3. 5. EEPROM data transfer
3. 6. Model no. setting
3. 7. Serial no. setting
3. 2. Circuit adjustment
3. 3. Test points and locations
3. 4. Service adjustment data
3. 5. EEPROM data transfer
3. 6. Model no. setting
3. 7. Serial no. setting
4. Firmware Update Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADJ-13
4. 1. Main CPU Firmware Update
4. 2. Sub CPU Software Update
4. 2. Sub CPU Software Update
ADJ-2
SECTION 3 ADJUSTMENTS
<LW373/LW333/LB423/LB383/LB353/LB303>
1. Adjustments Items and Procedures
When the following parts are disassembled or replaced, please adjust the items according to the table below.
z
: Adjustment
: Check
Disassembly / Replaced Parts
Optical block
Condenser lens (OUT)
Fans
MAIN board
Optical
adjustment
Optical center adjustment
z
Electrical adjustment
Fan voltage adjustment
z
z
Panel type check and setting
z
Flicker adjustment
z
z
Keystone offset adjustment
z
EEPROM data transfer *1
z
Model no. setting
z
Serial no. setting
z
Note:
*1 When the EEPROM data transfer has been taken, the adjusted data listed below will be transferred from the
original board to new board.
- Service adjustment data (Fan voltage adjustment/Panel type setting/Flicker adjustment)
- Used time (Projector used time/Lamp used time)
- Used time (Projector used time/Lamp used time)
- Color shading correction data
- Gamma correction data
- Gamma correction data
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