Panasonic PT-DZ770U / PT-DZ770E (serv.man8) Service Manual ▷ View online
6. 3. 4. Error cord of system log
Bit
0
00
00
00
01
1
00
00
00
02
2
00
00
00
04
3
00
00
00
08
4
00
00
00
10
5
00
00
00
20
6
00
00
00
40
7
00
00
00
80
8
00
00
01
00
9
00
00
02
00
10
00
00
04
00
11
00
00
08
00
12
00
00
10
00
13
00
00
20
00
14
00
00
40
00
15
00
00
80
00
16
00
01
00
00
17
00
02
00
00
18
00
04
00
00
19
00
08
00
00
20
00
10
00
00
21
00
20
00
00
22
00
40
00
00
23
00
80
00
00
24
01
00
00
00
25
02
00
00
00
26
04
00
00
00
27
08
00
00
00
28
10
00
00
00
29
20
00
00
00
30
40
00
00
00
31
80
00
00
00
Fan Error
Arbitrary value
<Warning>
- The ventilation holes may be closed.
- The ambient temperature in the place of use may be too high.
- The air filter may accumulate dust
- The ventilation holes may be closed.
- The ambient temperature in the place of use may be too high.
- The air filter may accumulate dust
The ambient temperature in the place of use may be 0°C or
lower.
lower.
It is necessary to exchange a lithium battery. (B3780: CR2032）
Exhaust air thermosensor has breaking of wire, or connector R34
is disconnected.
is disconnected.
The intake air thermosensor has breaking of wire, or connector A9
is disconnected.
is disconnected.
Intake air thermosensor disconnected
Optical module thermosensor disconnected
Main micro computer Error
The thermosensor in the DMD has breaking of wire, or connector
A10 is disconnected.
A10 is disconnected.
Filter installation error
Exhaust air or Lamp surroundings
temperature error
temperature error
Intake air temperature error
Optical module temperature error
LAMP1 turning ON failure
LAMP2 turning ON failure
LAMP1 time error
LAMP2 time error
Shutter Error
Not used
Warning of optical module high temperature
Warning of optical module low temperature
Warning of battery for clock
Exhaust air thermosensor disconnected
For expansion (Not used)
For expansion (Not used)
Exhaust air or Lamp surroundings
temperature warning
temperature warning
For expansion (Not used)
For expansion (Not used)
Filter blocked error
LAMP1 time warning
Error code （hex）
Factor
Warning of intake air high temperature
Arbitrary value
The lamp cover is opened
The color wheel and/or color wheel drive circuit is abnormal.
The airflow sensor has breaking of wire, or connector RL11 is disco
Arbitrary value
Filter may accumulate dust.
Arbitrary value
For expansion (Not used)
Cover open error
Ba
sic
Description
Color wheel rotation error
Airflow sensor disconnected
For expansion (Not used)
LAMP2 time warning
<Warning>
It becomes a period when the lamp unit is replaced.
Prepare a new lamp unit. The shutdown will occur within 200
hours.
It becomes a period when the lamp unit is replaced.
Prepare a new lamp unit. The shutdown will occur within 200
hours.
Arbitrary value
Arbitrary value
It fails in the operation of the shutter.
Not return
The fan and/or fan drive circuit is abnormal.
The main micro computer circuit is abnormal.
<Shutdown>
The lamp ON time exceeds specified cumulative usage time, and
becomes a period when the lamp unit is replaced.
(Lamp time is converted at LAMP POWER "HIGH".)
The lamp ON time exceeds specified cumulative usage time, and
becomes a period when the lamp unit is replaced.
(Lamp time is converted at LAMP POWER "HIGH".)
It fails in the turning ON the lamp.
- The power may have been turned on straight away after it was
turned off.
- The power may have been turned on straight away after it was
turned off.
The air filter has not been installed properly.
<Shutdown>
- The ventilation holes may be closed.
- The ambient temperature in the place of use may be too high.
- The air filter may accumulate dust.
- The ventilation holes may be closed.
- The ambient temperature in the place of use may be too high.
- The air filter may accumulate dust.
INF - 23
1. Parts Location ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ DIS-2
1. 1. Electrical Parts Location (P.C.Board)
1. 2. Electrical Parts Location (Fan)
2. Disassembly Instructions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ DIS-3
2. 1. Flowchart for Disassembly
CONTENTS
SECTION 2
< Disassembly Procedures >
Model No.
PT-DZ770U / DZ770E /
DZ770UL / DZ770EL
2. 2. Removal of Upper Case
2. 3. Removal of A-P.C.Board Block （A/J/WL-P.C.Board）
2. 4. Removal of S-P.C.Board
2. 5. Removal of Color Wheel Block
2. 6. Removal of Power-supply unit
2. 7. Removal of B-P.C.Board
2. 8. Removal of Analysis Block
2. 9. Removal of DMD Block
* Caution of the DMD block reassembly
* Operational check of Liquid Cooling Unit
2.10.Removal of Mechanical shutter
DIS-2
1. Parts Location
1. 1. Electrical Parts Location (P.C.Board)
Image processing system / microcomputer
CW sensor
Input terminal I/F
Filter detection SW
Network (LAN)
Relay Board
Control Panel
Rear cover connection / Interlock
DMD drive
Temp sensor (Intake/Exhaust)
Ballast power / Ballast control
Temp sensor (Air flow)
AC Inlet / Power supply (DC-DC)
Lamp memory connection
1. 2. Electrical Parts Location (Fan)
J
L1/L2
F
M2
Function summary
M1
RL
R2/R3
Board Name
Board Name
Function summary
A
CW
WL
S
P
FM
B/Q
Power Fan
ＣＷ Fan
Ballast Fan
Lamp-R Fan
P
L1
S
L
M1(Intake)
F
FM
J
A
RL
M2
M1(Exhaust)
B/Q
R3
R2
WL
Radiator Fan
Exhaust-L Fan
Exhaust-R Fan
CW
Lamp-L Fan
DIS-3
2. Disassembly Instructions
2. 1. Flowchart for Disassembly
* Before Disassembly the projector, turn off the POWER switch and disconnect the power plug from the wall outlet.
* To assemble, reverse the disassembly procedures.
* When tore off sticky tapes, please use a new thing without reusing it on the occasion of assembling.
2. 6.
Removal of Power-supply
unit
unit
2. 4.
2.10.
2. 8.
Removal of Analysis Block
Removal of DMD Block
Removal of S-P.C.Board
Removal of Mechanical
shutter
shutter
2. 9.
2. 7.
Removal of B-P.C.Board
Removal of Color Wheel
Block
Block
2. 3.
Completed Product
2. 2.
Removal of Upper Case
Removal of A-P.C.B Block
（A/J/WL-P.C.Board）
（A/J/WL-P.C.Board）
2. 5.
Click on the first or last page to see other PT-DZ770U / PT-DZ770E (serv.man8) service manuals if exist.