THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
LUBW/CA/1AC120V
Model
PDP-V402
Note: Pages 26 - 77 and 82 - 89 were intentionally left out.
In PDP-V402, there are two different models (original model and value analysis model).
Confirm the mark and serial No. of the product rear side, and use each service manual.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2000
T–ZZA OCT. 2000 Printed in Japan
PDP-V402
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual
do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been
trained to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to
cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 – Proposition 65
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement parts
must be of identical designation.
REMARQUE
(POUR MODÈLE CANADIEN SEULEMENT)
Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que les
pièces de remplacement doivent avoir la même désignation.
1.1 SAFETY PRECAUTIONS
NOTICE : Comply with all cautions and safety related notes located
on or inside the cabinet and on the chassis.
The following precautions should be observed :
1. When service is required, even though the PDP UNIT an isolation
transformer should be inserted between the power line and the
set in safety before any service is performed.
2. When replacing a chassis in the set, all the protective devices
must be put back in place, such as barriers, nonmetallic knobs,
adjustment and compartment covershields, isolation resistorcapacitor, etc.
3. When service is required, observe the original lead dress. Extra
precaution should be taken to assure correct lead dress in the
high voltage circuitry area.
4. Always use the manufacture's replacement components.
Especially critical components as indicated on the circuit diagram
should not be replaced by other manufacture's.
Furthermore where a short circuit has occurred, replace those
components that indicate evidence of overheating.
5. Before returning a serviced set to the customer, the service
technician must thoroughly test the unit to be certain that it is
completely safe to operate without danger of electrical shock,
and be sure that no protective device built into the set by the
manufacture has become defective, or inadvertently defeated
during servicing. Therefore, the following checks should be
performed for the continued protection of the customer and
service technician.
6. Perform the following precautions against unwanted radiation
and rise in internal temperature.
• Always return the internal wiring to the original styling.
• Attach parts (Ground, Rear Cover, Shield Case) surely after
disassembly.
7. Perform the following precautions for the PDP panel.
• When the front case is removed, make sure nothing hits the
panel face, panel corner, and panel edge (so that the glass does
not break).
• Make sure that the panel vent does not break. (Check that the
cover is attached.)
• Handle the FPC connected to the panel carefully.
Twisting or pulling the FPC when connecting it to the connector
will cause it to peel off from the panel.
8. Pay attention to the following.
• Be sure to wire the fan. If the fan does not work, the temperature
will rise and cause the protection circuit to operate.
• When the front case is removed, infrared ray is radiated and
may disturb reception of the remote control unit.
• Pay extreme caution when the front case and rear panel are
removed because this may cause a high risk of disturbance to
TVs and radios in the surrounding.
2
Leakage Current Cold Check
With the AC plug removed from an AC power source, place a
jumper across the two plug prongs. Turn the AC power switch on.
Using an insulation tester (DC 500V), connect one lead to the
jumpered AC plug and touch the other lead to each exposed metal
part (input/output terminals, screwheads, metal overlays, control
shafts, etc.), particularly any exposed metal part having a return
path to the chassis. Exposed metal parts having a return path to the
chassis should have a minimum resistor reading of 0.3MΩ and a
maximum resistor reading of 5MΩ. Any resistor value below or
above this range indicates an abnormality which requires corrective
action. Exposed metal parts not having a return path to the chassis
will indicate an open circuit.
Leakage Current Hot Check
Plug the AC line cord directly into an AC power source (do not use
an isolation transformer for this check).
Turn the AC power switch on.
Using a "Leakage Current Tester (Simpson Model 229 equivalent)",
measure for current from all exposed metal parts of the cabinet
(input/output terminals, screwheads, metal overlays, control shaft,
etc.), particularly any exposed metal part having a return path to the
chassis, to a known earth ground (water pipe, conduit, etc.). Any
current measured must not exceed 0.5mA.
PDP-V402
1.2 PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in PIONEER set have special
safety related characteristics. These are often not evident from
visual inspection nor the protection afforded by them necessarily
can be obtained by using replacement components rated for higher
voltage, wattage, etc. Replacement parts which have these special
safety characteristics are identified in this Service Manual.
Electrical components having such features are identified by marking
with a
Manual.
The use of a substitute replacement component which dose not have
the same safety characteristics as the PIONEER recommended
replacement one, shown in the parts list in this Service Manual, may
create shock, fire or other hazards.
Product Safety is continuously under review and new instructions
are issued from time to time. For the latest information, always
consult the current PIONEER Service Manual. A subscription to, or
additional copies of, PIONEER Service Manual may be obtained at
a nominal charge from PIONEER.
on the schematics and on the parts list in this Service
Reading should
not be above
0.5 mA
Earth ground
Device
under
test
Also test with plug
reversed
(Using AC adapter
plug as required)
Test all exposed
metal surfaces
Leakage
current
tester
AC Leakage Test
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL
SHOCK HAZARD AND MUST BE CORRECTED BEFORE
RETURNING THE SET TO THE CUSTOMER.
3
PDP-V402
1.3 CHARGED SECTION AND HIGH VOLTAGE GENERATING POINT
7 Charged Section
The places where the commercial AC power is used without
passing through the power supply transformer.
If the places are touched, there is a risk of electric shock. In addition,
the measuring equipment can be damaged if it is connected to the
GND of the charged section and the GND of the non-charged
section while connecting the set directly to the commercial AC
power supply. Therefore, be sure to connect the set via an insulated
transformer and supply the current.
7 Charged Section
(Power supply primary side)
1. AC Power Cord
2. AC Inlet with Filter
3. Power Switch (S1)
4. Fuse (In the MAIN POWER ASSY)
5. STB Transformer and Converter Transformer
(In the MAIN POWER ASSY)
6. Other primary side of the MAIN POWER ASSY
ANALOG VIDEO ASSY
3D Y/C ASSY
7 High Voltage Generating Point
The places where voltage is 100V or more except for the charged
places described above. If the places are touched, there is a risk of
electric shock.
1. MAIN POWER ASSY ...................................... (170V)
2. X DRIVE (A) ASSY ......................................... (170V)
3. X DRIVE (B) ASSY ......................................... (170V)
4. Y DRIVE (A) ASSY ......................................... (170V)
5. Y DRIVE (B) ASSY ......................................... (170V)
6. SCAN MODULE (A) and (B) .......................... (150V)
For the places, refer to the EXPLODED VIEWS, the SCHEMATIC
DIAGRAM and the PCB CONNECTION DIAGRAM sections.
Part is charged section.
Part is the high voltage generating points other than the
charged section.
X DRIVE (B) ASSY
AC Inlet
Power Switch (S1)
X DRIVE (A) ASSY
MAIN POWER ASSY
Y DRIVE (A) ASSY
SCAN MODULE (B)
SCAN MODULE (A)
Y DRIVE (B) ASSY
4
2. EXPLODED VIEWS AND PARTS LIST
NOTES :Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List.
The mark found on some component parts indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical designation.
Screw adjacent to mark on the product are used for disassembly.
27CushionAEB1342
28Front Case C Service AssyAEA1030
29Front Case D Service AssyAEA1031
30Front Case A Service AssyAEA1034
31Front Case B Service AssyAEA1035
11
PDP-V402
2.6 MAIN UNIT SECTION (3/3)
55
54
17
18
19
5
16
5
5
F
15
5
39
38
40
56
53
55
54
5
16
5
5
6
12
5
10
5
5
11
N
14
5
6
13
11
5
13
5
6
10
5
20
34
23
5
E
40
5
40
13
5
D
22
23
U
49
R
46
5
6
5
33
S
47
50
V
T
48
5
9
51
5
M
5
5
21
8
8
5
10
5
5
4
3
2
44
6
44
5
6
1
45
7
5
24
O
27
24
28
6
5
5
5
26
25
P
25
12
PDP-V402
5
29
5
5
29
5
5
H
5
35
6
5
16
6
52
G
5
17
31
5
32
8
5
36
5
16
8
8
37
30
8
8
8
17
31
5
32
8
8
Mark No. DescriptionPart No.
21MAIN POWER ASSYAWR1077
22Shield Case BANK1517
23PCB SpacerAEC1121
24SCAN MODULE (A)AXF1104
25SCAN MODULE (B)AXF1105
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PAR TS LIST" or "PCB PARTS LIST".
ADX2607
G
OTL CONTROL (B) ASSY
V
(AWZ6178)
RCC CONTROL (B) ASSY
S
(AWZ6175)
CN5004
Y2
ADX2607
G
CN5001
Y16
ADX2361
MAIN POWER ASSY
M
(AWR1077)
RCC CONTROL (C) ASSY
T
(AWZ6176)
ADX2652
H
ADX2646
Y1
CN5003
ADX2609
E
Y1
CN4008
X4
FAN MOTOR ×2
AXM1038
C
CN5008
H
A
Y5
B
ADX2630ADX2341
CN5003
G
B
ADX2607
CN7250
CN7003
ADX2608
CN7352
CN7501CN7350
ADX2644
ADX2645
ADX2651
D.RESET
VGA60_75
ADX2649
D
D 1/10- D 10/10
DIGITAL VIDEO ASSY
(AWP1069)
J7800
G
and
H
CN5007
Y4
CN5007
Y4
C
D
CN7750CN7800
L
B8B-PH-SM3
SYNC DET
ASSY
(AWZ6548)
5
FRONT KEY
I
ASSY
(AWZ6525)
ADX2639
ADX2632 ADX2633 ADX2633 ADX2634
ADX2635 ADX2636 ADX2638 ADX2638 ADX2637
6
7
To ADDRESS
MODULE
23
8
1
PDP-V402
23
4
CN1602
N
SP2
A
M
CN3203
P6
M
CN3404
P4
M
CN3305
P3
D
CN6701
E11
D
CN6702
E12
D
CN6703
E13
E
X DRIVE (A) ASSY
(AWP1078)
E6
B
CN6551
D
PLASMA PANEL ASSY
(AAV1235)
C
F
X DRIVE (B) ASSY
(AWP1079)
D
M
CN3305
P3
24
CN6706
D
E16
1234
D
CN6707
E17
D
CN6708
E18
5
678
PDP-V402
D
CN6704
E14
D
CN6705
E15
SCAN MODULE (B)
(AXF1105)
P
SCAN MODULE (B)
(AXF1105)
CN1602
N
SP2
M
G
Y DRIVE (A) ASSY
(AWZ6533)
P2
M
CN3405CN3304
P5
M
CN3204
P7
A
D
CN6553
E8
B
P
SCAN MODULE (A)
(AXF1104)
O
H
Y DRIVE (B) ASSY
(AWP1077)
CN6553
D
M
CN3304
C
E8
P2
D
5
CN6709
E19
D
CN6710
E20
SCAN MODULE (A)
(AXF1104)
O
6
CN6552
D
E7
25
7
8
D
1
PDP-V402
3.30 MAIN POWER ASSY
To POWER SWITCH
A
23
NOTE FOR FUSE REPLACEMENT
CAUTION: FOR CONTONUED PROTECTION AGAINST RISK OF FIRE.
PEPLACE ONLY WITH SAME TYPE AND RATINGS ONLY.
J
M
4
MAIN POWER ASSY (AWR1077)
R
CN7101
CN7102
B
C
S
CN7151
CN7152
T
CN7201
CN7202
D
78
M
B 1/6
CN7005
M2
1234
5
678
PDP-V402
7)
R
CN7101
CN7102
1000P
/AC400
1000P
/AC400
: Charged section
1000P
/AC400
CN7251
1000P
/AC400
U
H
CN5003
G
CN5003
Y1
Y1
CN5001
G
Y16
X1
E
CN4003
X1
SP1
CN1601
CN4003
F
N
X10
CN4001
E
A
B
S
CN7151
CN7152
T
CN7201
CN7202
1000P
/AC400
1000P
/AC400
V
CN7301
SP4
CN1604
N
E1
CN6102
C
D 1/10
Y2
CN5004
G
CN4004
E
X2
Be sure to use parts od identical designation.
B 6/6
CN7900
M20
D
To FAN
M
5
6
7
8
79
1
PDP-V402
3.31 SUB POWER SUPPLY
A
SUB POWER ASSY
N
(AWZ6173)
M
CN3305
P3
B
23
4
SP3
M
CN3406
C
P9
SP4
B 5/6
CN7650
M14
C 2/4
CN2204
A4
SP5
D
80
N
1234
5
678
PDP-V402
A
G
E
CN5005
CN4005
Y3
X3
B
C
SP6
Q
CN3202
B1
N
5
6
7
8
81
D
1
Y
L
23
PDP-V402
4. PCB CONNECTION DIAGRAM
NOTE FOR PCB DIAGRAMS:
1. Part numbers in PCB diagrams match those in the schematic
A
diagrams.
2. A comparison between the main parts of PCB and schematic
diagrams is shown below.
Symbol in PCB
Diagrams
BCE
BCE
DGS
Symbol in Schematic
Diagrams
BCE
BCE
BCEBCE
DGSDGS
Part Name
Transistor
Transistor
with resistor
Field effect
transistor
4.1 INPUT CONTROL, FRONT KEY, SYNC DET ASSYS
Symbol in PCB
Diagrams
3. The parts mounted on this PCB include all necessary parts
for several destination.
For further information for respective destinations, be sure
to check with the schematic diagram.
4. Viewpoint of PCB diagrams
P. C. BoardChip Part
Symbol in Schematic
Diagrams
CapacitorConnector
Part Name
Resistor array
3-terminal
regulator
SIDE A
SIDE B
4
S
B
INPUT CONTROL ASSY
A
B
CN7003
M11
C
CN7351
B
D
IC1005IC1004IC1003
M5
SIDE A
90
A
1234
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