PIONEER PRO700HD Service Manual

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Service Manual for PIONEER PRO700HD, downloadable as a PDF file.

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ORDER NO.
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ................ 5
3. SCHEMATIC DIAGRAM ..................................... 22
4. PCB CONNECTION DIAGRAM ........................ 111
5. PCB PARTS LIST ............................................. 159
6. ADJUSTMENT .................................................. 178
7. GENERAL INFORMATION .............................. 214
7.1 WIRING DIAGRAMS ................................. 214
7.2 IC ............................................................... 215
7.3 BLOCK DIAGRAM ..................................... 266
8. PANEL FACILITIES AND SPECIFICATIONS .. 272
CONTENTS
PRO-700HD
PROJECTION MONITOR RECEIVER
ORDER NO.
ARP3013
O- SZG DEC. 1998 Printed in Japan
c
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
PIONEER ELECTRONIC 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 ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1998
Type
Remarks
Power Requirement
Model
PRO-700HD
KUXC/CA
AC120V
· The PRO-700HD service manual is composed of ORDER NO. ARP3013 and
ORDER NO. ARP3024. Use these two manuals as one set. For other details,
refer to the separate manual (ORDER NO.ARP3024).
ORDER NO.
ARP3013
ORDER NO.
ARP3024
background image
ORDER NO.
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ................ 5
3. SCHEMATIC DIAGRAM ..................................... 22
4. PCB CONNECTION DIAGRAM ........................ 111
5. PCB PARTS LIST ............................................. 159
6. ADJUSTMENT .................................................. 178
7. GENERAL INFORMATION .............................. 214
7.1 WIRING DIAGRAMS ................................. 214
7.2 IC ............................................................... 215
7.3 BLOCK DIAGRAM ..................................... 266
8. PANEL FACILITIES AND SPECIFICATIONS .. 272
CONTENTS
PRO-700HD
PROJECTION MONITOR RECEIVER
ORDER NO.
ARP3013
O- SZG DEC. 1998 Printed in Japan
c
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
PIONEER ELECTRONIC 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 ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1998
Type
Remarks
Power Requirement
Model
PRO-700HD
KUXC/CA
AC120V
· The PRO-700HD service manual is composed of ORDER NO. ARP3013 and
ORDER NO. ARP3024. Use these two manuals as one set. For other details,
refer to the separate manual (ORDER NO.ARP3024).
ORDER NO.
ARP3013
ORDER NO.
ARP3024
background image
PRO-700HD
2
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
NOTES
(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
NOTlCE: Comply with all cautions and safety related notes
located on or inside the cabinet and on the chassis or picture
tube.
The following precautions should be observed:
1. Do not install, remove, or handle the picture tube in any
manner unless shatterproof goggles are worn. People
not so equipped should be kept away while picture tubes
are handled.
Keep picture tube away from the body while handling.
2. When service is required, even though the PROJEC-
TION MONITOR RECEIVER an isolation transformer
should be inserted between power line and the set in
safety before any service is performed.
3. 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 resistor-capacitor, etc.
4. 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.
5. Always use the manufacturer's replacement compo-
nents. 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.
6. Before returning a serviced set to the customer, the ser-
vice 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 manufacturer has become defec-
tive, or inadvertently defeated during servicing.
Therefore, the following checks should be performed for the
continued protection of the customer and service technician.
Leakage Current Cold Check
With the AC plug removed from 120V AC 60Hz source,
place a jumper across the two plug prongs. Turn the AC
power switch on. Using an insulation tester (DC 500V), con-
nect 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.), particu-
larly 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 0.3M
and a maximum resistor reading of 5M
. 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.
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PRO-700HD
3
Leakage Current Hot Check
Plug the AC line cord directly into a 120V AC 60Hz outlet (
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 mea-
sured must not exceed 0.5mA.
Device
under
test
Leakage
current
tester
Reading should
not be above
0.5 mA
Also test with
plug reversed
(Using AC adapter
plug as required)
Test all
exposed metal
surfaces
X-radiation
TUBE: The primary source of X-radiation in this set is the
picture tube.
For continued X-radiation protection, the replacement tube
must be the same type as the original, PIONEER approved
type.
The picture tube (the CRT assy R, G, B ) use in this set
holds complete guarantee against X-ray radiation when the
X-ray is sealed (See page 4). Accordingly, when the current
in flowing to the picture tube (CRT assy R, G, B) be sure to
perform it by putting the tube into X-ray sealed applied state.
Avoid absolutely to flow the current to the picture tube (CRT
assy R, G, B) itself. Moreover, when the voltage of the high
voltage circuit becomes abnormally a little higher, the pic-
ture tube radiates X-rays. Accordingly, when servicing the
high voltage circuit be sure to replace as an assembly with
the DEFLECTION SERVICE assy in the manner in which
has been adjusted to perform normal operation.
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. Replace-
ment parts which have these special safety characteristics
are identified in this Service Manual.
Electrical components having such features are identified
by marking with a
on the schematics and on the parts list
in this Service Manual.
The use of a substitute replacement component which does
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, X-radiation, or
other hazards.
Product Safety is continuously under review and new in-
structions are issued from time to time. For the latest infor-
mation, 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.
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.
High Voltage
This set is provided with a X-ray protection for clearly indi-
cating that voltage has increased in excess of a predeter-
mined value. Comply with all notes described in this Service
Manual regarding this hold down circuit when servicing, so
that this X-ray protection may correctly by operated.
Serviceman Warning
In the status of the black picture ( video muting is being ap-
plied ) when no signal is input, high voltage of this set during
operation is less than 30.5kV. In case any component hav-
ing some relation to the high voltage is replaced, confirm
that the high voltage is lower than 30.5kV in the status of the
black picture when no signal is input.
To measure H.V. use a high impedance H.V. meter.
Connect ( ­ ) to earth and ( + ) to the FBT anode cable con-
nector.
(Refer to page 214)
Earth ground
AC Leakage Test
2-wire cord
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PRO-700HD
4
1.3 CHARGED SECTION, HIGH VOLTAGE GENERATING POINT
AND X-RAY PROTECTION
7 Charged section
The circuit in which the commercial AC power is used as it
is without passing through the power supply transformer. If
the charged section is touched, there is a risk of electric
shock. In addition, the measuring equipment can be dam-
aged 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. In this
case, be sure to connect the set via an insulated transformer
and supply the current.
7 Charged section
(Power supply primary side)
1. The primary side of the AC IN assy
2. AC power cord
3. The primary side of the POWER SUPPLY assy
4. AC power cord for DTV STB
7 X-ray protection
· Regarding the parts which are relative to radiation of X-
rays (There is the danger to radiate X-ray from the indi-
vidual CRT assy R, G, B), there are notifications of cau-
tion in the individual schematic diagrams. Be sure to read
them for safety's sake.
· The component parts for X-ray protection are as follows :
When the current flows to the CRT assy R, G, B, be sure
to perform it with these parts being attached. Protection
from the X-ray radiation is maintained in the state in which
these parts have been installed to the CRT assy. R, G, B.
Accordingly, never supply current only to the CRT assy R,
G, B.
Moreover, the anode voltage of the CRT assy R, G, B
should always be kept not higher than the predetermined
value (in the minimum brightness and picture state when
non signal input is less than 30.5kV). Be sure to drive the
CRT assy R, G, B by using a completely functional DE-
FLECTION assy which have been adjusted completely in
the combined state. (When the voltage abnormally be-
comes high, the X-ray protection circuit will operate.)
1.CRT assy R, G, B (Do not dismantle CRT assemblies un-
der any circumastances)
2.Each Lens assy
Fig. 2 Component parts for X-ray protection
: Part is the charged section.
: Part is the high voltage generating
points other than the charged section.
AC power cord for
DTV STB
High Voltage
generating point
High Voltage
generating point
High Voltage
generating point
AC Power cord
Charged section
7 High voltage generating point
The place where voltage is 100V is generated.
1.Charged seciton
DEFLECTION assy
(including FBT)
(30.5kV, 1.2kV, 210V,135V)
2. POWER SUPPLY assy
(135V)
3. R. CRT DRIVE assy
(10.5kV, 210V)
4. G. CRT DRIVE assy
(10.5kV, 210V)
5. B. CRT DRIVE assy
(10.5kV, 210V)
6. CRT assy R (CRT service assy R) (30.5kV)
7. CRT assy G (CRT service assy G) (30.5kV)
8. CRT assy B (CRT service assy B) (30.5kV)
9. Focus variable resistor(VR1)
(10.5kV)
10. Deflection yokes (L1, L2 and L3) Approx. (1100V at peak)
Fig. 1 Charged section and high voltage generating point
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5
PRO-700HD
2.1 PACKING
1
Upper Carton 64W
AHD2994
2
Under Carton 64W
AHD2995
3
Upper Pad L
AHA2222
4
Upper Pad R
AHA2223
5
Under Pad L
AHA2224
6
Under Pad R
AHA2225
NSP
7
Vinyl Sheet 64W Upper
AHG1288
NSP
8
Packing Sheet 60
AHG1230
NSP
9
Packing Sheet 64 Under
AHG1290
10
Vinyl Sheet 64W Under
AHG1289
11
Remote Control Unit
AXD1438
(CU-SD105)
12
Battery Cover
AZN2401
NSP
13
Alkarine Dry Cell Battery
AEX1018
(LR6,AA)
14
CU Packing Case
AHC1032
15
Special Screw
ABA1239
16
CONV. Attention Card
ARM1151
17
Operating Instructions
ARB1519
(English)
NSP
18
Caution Card
ARM1057
NSP
19
Warranty Card EL
ARY1026
NSP
20
Poly Bag
AHG1285
21
...........
22
Special Screw
ABA1226
(Panel Frame Attaching Screw)
NSP
23
Wrapper Bag
AHG1076
NSP
24
Literature Bag
AHG1222
25
Panel Case 64W
AHB1202
NSP
26
Vinyl Sheet 64W (for Panel)
AHG1286
27
Protective Screen
AAK2729
28
Acrylic Caution Card
ARH1160
29
Frame Cover H
AAP1593
30
Frame Cover V
AAP1594
31
Panel Frame H
AND1163
32
Panel Frame V
AND1164
NSP
33
Under Cushion A
AHA2228
NSP
34
Under Cushion B
AHA2229
· PACKING PARTS LIST
Mark No.
Description
Part No.
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.
·Parts marked by are important parts which relate in X-rays radiation.
If any of these parts need to be replaced, always replace with specified parts.
·Screws adjacent to mark on the product are used for disassembly.
Note : As for accessory parts of part No. 22, 27 and 29 to 32, refer
to page 7.

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