Panasonic PT-DZ21KU / PT-DZ21KE / PT-DS20KU / PT-DS20KE / PT-DW17KU / PT-DW17KE Service Manual ▷ View online
8. Click [OK] button and start update.
9. If completion and a message are displayed, click [OK] button.
10. Click ［EXIT］button, and please be finished.
* Reboot Projector, and please confirm whether the version of the Microprocessor Software is updated definitely,
with sub menu " STATUS" of the main menu " PROJECTOR SETUP" .
with sub menu " STATUS" of the main menu " PROJECTOR SETUP" .
*Rewrite the same version of
software will be skipped.
software will be skipped.
While update it, Lamp1-4 indicator indicates as follows.
*Main ⇒ Lamp indicator 1-4, flashing red in order.
*Sub ⇒ Lamp indicator 1-4 all lit red.
*Formatter ⇒ Power indicator lit green.
Lamp indicator 1-4 all lit red.
*Main ⇒ Lamp indicator 1-4, flashing red in order.
*Sub ⇒ Lamp indicator 1-4 all lit red.
*Formatter ⇒ Power indicator lit green.
Lamp indicator 1-4 all lit red.
ADJ - 14
■
Notes
1. Resistor
All the resistors are carbon 1/4W resistors, unless marked as follows.
The unit of resistance is an OHM [Ω] (K=1 000 M=1 000000).
The unit of resistance is an OHM [Ω] (K=1 000 M=1 000000).
: Nonflammable
: Metal Oxide
: Solid
: Metal Film
: Wire Wound
: Fuse
2. Capacitor
: Temperature Compensation
: Electrolytic
: Polyester
: Bipolar
: Metalized Polyester
: Dipped Tantalum
1. Block Diagram ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
DIA-2
: Polypropylene
: Z-Type
1. 1. Power Supply and Ballast
3. Coil
1. 2. Control and Driving System
The unit of inductance is a H, unless otherwise noted.
1. 3. Fan control and Driving
4. Test Point
1. 4. Lamp control
: Test Point
1. 5. Signal Processing
5. HOT and COLD indications
2. Interconnection Block Diagram ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
DIA-6
6. This schematic diagram is the latest at the time of printing and the subject to change without notice.
3. Schematic Diagram ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ DIA-7
3. 1. A -P.C.Board
■
Precautions
3. 2. G -P.C.Board
1. NEVER touch the HOT part or the HOT and COLD parts at the same time, or you may get an electric shock.
3. 3. RL -P.C.Board
2. NEVER short-circuit the HOT and COLD circuits, or the fuse may blow and the parts may break.
3. 4. S -P.C.Board
3. 5. R / BR -P.C.Board
3. 6. RM / SL / TL -P.C.Board
3. 5. R / BR -P.C.Board
3. 6. RM / SL / TL -P.C.Board
4. MAKE SURE to unplug the power cord from the power outlet before removing the chassis.
3. 7. K / R3 / M1 / M2 / M3 -P.C.Board
5. Be sure to make your orders of replacement parts according to parts list section.
3. 8. LL / LR / RW / EL / ER / H / MR -P.C.Board
4. Circuit Boards Diagram ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ DIA-18
4. 1. A -P.C.Board
4. 2. G -P.C.Board
4. 3. RL / S -P.C.Board
4. 4. R / BR / RM -P.C.Board
4. 5. SL / TL / K / R3 / M1 / M2 / M3 -P.C.Board
4. 2. G -P.C.Board
4. 3. RL / S -P.C.Board
4. 4. R / BR / RM -P.C.Board
4. 5. SL / TL / K / R3 / M1 / M2 / M3 -P.C.Board
The power circuit board contains a circuit area using a separate power supply to isolate the ground connection.
The circuit is defined by HOT and COLD indications in the schematic diagram. Take the precautions below:
The circuit is defined by HOT and COLD indications in the schematic diagram. Take the precautions below:
3. NEVER connect an instrument such oscilloscope to the HOT and COLD circuit simultaneously, or the fuse may blow.
Connect the ground of instruments to the ground of the circuit being measured.
Connect the ground of instruments to the ground of the circuit being measured.
CONTENTS
SECTION 4
< Schematic Diagram >
PT-DZ21KU / DZ21KE
PT-DS20KU / DS20KE
PT-DW17KU / DW17KE
Model No.
A
A
A
Components identified by the international symbol have special characteristics important for safety.
When replacing any of these components, use only the manufacturer's specified ones.
When replacing any of these components, use only the manufacturer's specified ones.
Important Safety Notice
9
5
6
7
8
1
2
3
4
1. 1. Power Supply and Ballast
1. Block Diagram
A
B
E
F
D
C
DIA-2
F9002
AC
INLET
POWER
CODE
AC SW
F9001
K1
K2
K3
RECTIFIER
PFC
F101
1
2
PFC
CONTROL
380V
18V
P12
P23
F601
1
3
3
F201
P22
P1-3.3V
12V
P1-15V
P21
P1-ecoSTB3.3V
P1-STB3.3V
P1-STB5V
P1-5V
P1-12V
P1-POWERGOOD
P1-MAIN/STB
P1-STB- ON
P1-AC90DET
F401
AC VOLTAGE
DETECT
P11
NC
18V
CN001
D001
Q101.Q107
IC101
K001
Q207
Q303
Q502
Q304
PC201,PC601
CN1
BALLAST 4
1
NC
CN2
G
-P.C.B (G
16
)
G-P.C.B (G16)
PC202
LINE
FILTER
HOT
COLD
PC402
T201、IC201
T401、IC401
T601
IC601
CN1
Step down
c hopper
Full bridge
c ontrol
CN3
15V
COLD
HOT
Ballast
Mic ro
c omputer
3.3V
V
I
CN2
Full Bridge
380V
Igniter
Driver
Igniter
Lamp
Main-PCB
Sub-PCB
Sub-PCB
B-P.C.B(3)
Q10,IC1
IC105
Q1
Q14,Q15,Q16,Q17
Q7
UART TXD1
LAMP ON/OFF
+3.3V
UART RXD1
IC101
PC1-P.C.B
K-P.C.B
AC90DET
RECTIFIER
PFC
F101
1
2
PFC
CONTROL
380V
18V
P12
P23
F601
1
3
3
F201
P22
12V
P2-15V
P21
1
2､3
6
8
8
10
11
12
14
15
14
15
P2-5V
P2-POWERGOOD
P2-MAIN/STB
P2-STB- ON
F401
AC VOLTAGE
DETECT
HOT
COLD
CN1
1
P11
NC
18V
D001
Q101.Q107
IC101
K001
Q207
Q303
Q502
Q304
PC402
PC201,PC601
LINE
FILTER
CN1
1
CN2
CN2
PC202
PHOTO
ISOLATOR
T201、IC201
T401、IC401
PHOTO
ISOLATOR
SWITCHING
TRANSFORMER 3
T601
IC601
PC2-P.C.B
SWITCHING
TRANSFORMER 2
SWITCHING
TRANSFORMER 1
AC90DET
4,5,6
10,11,12
NC
NC
NC
NC
NC
NC
3.3V
12V
3.3V
12V
3.3V
12V
3.3V
12V
B-P.C.B(4)
BALLAST 1
B-P.C.B(1)
BALLAST 2
B-P.C.B(2)
G-P.C.B (G22)
G-P.C.B (G22)
G-P.C.B (G18)
G-P.C.B (G10)
G-P.C.B (G21)
G-P.C.B (G10)
G-P.C.B (G21)
G-P.C.B (G18)
FR-P.C.B (FR1)
FG-P.C.B (FG1)
FB-P.C.B (FB1)
1
CN001
Step down
c hopper
1
3
4
5
3
4
5
Photo
Is olators
PC1,PC2,PC3
1
2､3
6
8
8
10
11
12
14
15
11
12
14
15
P2-12V
PHOTO
ISOLATOR
SWITCHING
TRANSFORMER 3
SWITCHING
TRANSFORMER 1
SWITCHING
TRANSFORMER 2
PHOTO
ISOLATOR
R31 G9
G1 A 1
G21
P21
+3.3V ECO
IC6525
IC6001
AK24
AB31
AL24
MA IN/STB (Pow er ON)
IC3501
①
⑱
⑩
㉟
A1
B1
1
2
80
32
80
32
①
③
②
IC3516
②
②
④
STB ON
MA IN/STB (Pow er ON)
STB ON
STB ON
P1_STB ON
P2_STB ON
X1_C ASE OPEN
LOWB_ON
2
4
7
9
12
14
IC6006
IC6005
C ASE_OPEN (Low)
C PU LOWB1
R 8_C ASEOPEN
FP_C ASEOPEN
A-P.C.B
G-P.C.B
PC1-P.C.B
PC2-P.C.B
Rear Cover
P10
P21
1
1
1
+3.3V ECO
+3.3V ECO
+3.3V ECO
12
14
M ain M icrocomputer
Sub M icrocomputer
FPGA3
④
Direct connection Connector
< Detection interlock >
9
5
6
7
8
1
2
3
4
1. 2. Control and Driving System
A
B
E
F
D
C
DIA-3
SELECTOR
IC1071
RL10
RL13
RL14
LAMP-R
FAN
LAMP1
FAN
LAMP2
FAN
LAMP3
FAN
AIRFLOW
SENSOR
INTAKE AIR
SENSOR
RL7
RL2
RL3
RL4
RL9
R2
R3
SIGNAL BLOCK
FAN
IC1001
FRONT
G19
FPGA3
IC6525
D/A
CONVERTER
IC6523
IC6524
DC-DC
REG.
DC-DC.
DC-DC
DC-DC
MOTOR
DRIVER
MOTOR
DRIVER
MOTOR
DRIVER
MOTOR
DRIVER
RS-232C
RECEIVER/
DRIVER
B
al
la
st
1,2
C
on
tro
l
G13
RM6
RM3
RM2
RM4
RM7
RM1
FO
C
U
S_
A
FO
C
U
S_
B
V
_A
V
_B
H
_A
H
_B
F_
SW
V
_SW
H
_SW
ZO
O
M
1
ZO
O
M
2
FANSENSE
16
7
8
9
M11
M21
PHOTO
IC
SN1401
H1
I-
I+
O+
O-
MR1
MR2
IR
IS MOTOR
E1
EEPROM
SCL
SD
A
E1
EEPROM
SCL
SD
A
M11
R33
R35
EXHAUST2
FAN
EXHAUST3
FAN
R34
FA
N
SE
N
SE
3
2
EXHAUST AIR
SENSOR
M-
M+
VHOUT-
VHOUT+
HDRV+
HDRV-
RL1
G13
BR1
BR2
EXHAUST4
FAN
R
E
A
R
_R
E
M
O
TE
R
E
M
O
TE
SERIAL IN
PARALLE OUT
DRIVER
DATA
CLOCK
LCK
R1
G17
FA
N
SE
N
SE
14
13
COLOR
PRISM2
FAN
REG
DC-DC
REG
DC-DC
G4
G5
G23
G8
18
12
11
11
12
18
13
14
IC6511
IC6513
IC6510
IC6514
1
3
4
IC6501
IC6502
IC6506
SEL_FANSENSE2
4
FANCON
FANCON
3
7
D/A
CONVERTER
33FPGA_SDA1
33FPGA_SCL1
FANEN
C
5
6
IC6504
IC6505
IC6527
IC6538
IC6508
8
19
17
G
4
10
FA
N
EN
4
G14
DMD_THERMO
19
IC6531
IC6518
IC6530
IC6526
S1
G2
R
8_
K
E
Y
1
R
8_
K
E
Y
2
R
8_
K
E
Y
3
G22
UART TXD
UART RXD
ON/OFF
SYNC
16
G1
4wire serial
15
C
on
ne
ct
w
ith
A
-P
.C.B
UART
2
2
8
IC6010
MOTOR
DRIVER
OP
AMP
IC6009
IC6008
IRIS_EN
ANGLE1
C
O
IL
1_
PW
M
_H
SUB
CPU
IC6001
4
6
S2
7SEG LED
LIGHT SW
Operation SW
RM4
SH
U
TT
E
R
1
SH
U
TT
E
R
2
D
A
TA
C
LK
LC
K
LED
D/A
CONVERTER
DC-DC
G6
IC6509
DC-DC
G7
IC6512
RED
GREEN
BLUE
DC-DC.
DC-DC.
DC-DC.
DC-DC.
TO
P_
R
E
M
O
TE
G9
R31
R32
EXHAUST1
FAN
DC-DC
DC-DC
DC-DC
DC-DC.
DC-DC
DC-DC
REG.
LAMP4
FAN
RL5
15
ER2
ER3
EEPROM
SCL
SD
A
E1
EEPROM
SCL
SD
A
EL2
EL3
RL15
RL16
RL8
RL18
RL6
RL17
FILTER SW
INTAKE1
FAN
INTAKE2
FAN
LAMP-L
FAN
SELECTOR
IC1072
RL14
IC6503
P/S
CONVERT
IC6011
IC6521
IC6507
IC6520
IC6519
IC6517
IC6515
IC6516
2
B
B
7
G
G
9
G
10
F
15
16
G
E
E
E
E1
S-P.C.B
RM-P.C.B
G-P.C.B
RL-P.C.B
M3-P.C.B
M1-P.C.B M2-P.C.B
LL-P.C.B
EL-P.C.B
ER-P.C.B
LR-P.C.B
M1-P.C.B
R3-P.C.B
MR-P.C.B
H-P.C.B
BR-P.C.B
R-P.C.B
E-P.C.B
E-P.C.B
E-P.C.B
E-P.C.B
POWER
FAN
LIQUID COOLING PUMP
BALLAST2
FAN
BALLAST1
FAN
FA
N
SE
N
SE
FA
N
SE
N
SE
FA
N
EN
FA
N
CON
7
IC6533
FANCON
PUMPCONR
PUMPCONG
PUMPCONB
FA
N
SE
N
SE
1-
4
C
C
C
1
FA
N
SE
N
SE
4
D
D
D
B
B
G
F
8
FA
N
Vo
13
14
14
13
COLOR
PRISM1
FAN
COLOR
PRISM3
FAN
19
17
6
5
15
19
17
6
5
FANSENSE
FILTER_DET
FA
N
Vo
10
16
7
8
9
10
SEL_FANSENSE1
SE
L_
FA
N
S
E
N
SE
1,
2
FA
N
Vo
G16
UART TXD
UART RXD
UART RXD
ON/OFF
SYNC
B
al
la
st
3,4
C
on
tro
l
SERIAL-OUT
SERIAL-IN
REMOTE2 IN
REMOTE1 OUT
REMOTE1 IN
Position
Switch
V_SHIFT
MOTOR
FOCUS
MORTOR
H_SHIFT
MOTOR
ZOOM
MOTOR
MECHA
SHUTTER
LL2
EL1
LR2
ER1
RL11
LL1
RL12
LR1
LAMP SDA/SCL
TEM P_IN AIR
TEM P_AC F
TEMP_COLOR
SDA
SCL
SCL
SDA
SDA
COLOR SENSOR
C ASE OPEN
C ASE OPEN
C ASE OPEN
+3.3VECO
Rear Cover
FA
N
SE
N
SE
FA
N
Vo
INTERLOCK DET
+5VSTB
SL1
SL2
TL1
LED.
LED.
LED.
SL-P.C.B
TL-P.C.B
x 17
FANEN
FANCON
1. Block Diagram
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