PIONEER HTP302-SW Service Manual

Cover page of PIONEER HTP302-SW Service Manual

Service Manual for PIONEER HTP302-SW, downloadable as a PDF file.

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HTP702-SW, HTP202/302-SW
1
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8655, Japan
PIONEER ELECTRONICS SERVICE, INC.
P.O.Box 1760, Long Beach, CA 90801-1760, U.S.A.
© PIONEER ELECTRONIC CORPORATION 1999
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODELS.
Type
Model
HTP702-SW
Power Requirement
Remarks
AC120V
HTP202/302-SW
CONTENTS
1. SAFETY INFORMATION ............................................. 2
2. DISASSEMBLY ............................................................ 3
3. PACKING, EXPLODED VIEWS AND PARTS LIST ..... 3
4. SCHEMATIC AND PCB CONNECTION DIAGRAMS .. 6
5. PCB PARTS LIST ........................................................ 8
6. PANEL FACILITIES ...................................................... 9
7. SPECIFICATIONS ....................................................... 10
Service
Manual
ORDER NO.
PET99001
POWERED SUBWOOFER
HTP702-SW
HTP202/302-SW
HTP202/302-SW
HTP202/302-SW
HTP202/302-SW
HTP202/302-SW
OO
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HTP702-SW, HTP202/302-SW
1
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8655, Japan
PIONEER ELECTRONICS SERVICE, INC.
P.O.Box 1760, Long Beach, CA 90801-1760, U.S.A.
© PIONEER ELECTRONIC CORPORATION 1999
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODELS.
Type
Model
HTP702-SW
Power Requirement
Remarks
AC120V
HTP202/302-SW
CONTENTS
1. SAFETY INFORMATION ............................................. 2
2. DISASSEMBLY ............................................................ 3
3. PACKING, EXPLODED VIEWS AND PARTS LIST ..... 3
4. SCHEMATIC AND PCB CONNECTION DIAGRAMS .. 6
5. PCB PARTS LIST ........................................................ 8
6. PANEL FACILITIES ...................................................... 9
7. SPECIFICATIONS ....................................................... 10
Service
Manual
ORDER NO.
PET99001
POWERED SUBWOOFER
HTP702-SW
HTP202/302-SW
HTP202/302-SW
HTP202/302-SW
HTP202/302-SW
HTP202/302-SW
OO
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HTP702-SW, HTP202/302-SW
2
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 preformed repairs can adversely affect the safety and reliability of the product and may void
the warranty. If you are not a 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
Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive
toxicant which may cause birth defects or other reproductive harm (California Health & Safety Code, Section
25249.5). When servicing or handling circuit boards and other components which contain lead in solder, avoid
unprotected skin contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.
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.
(FOR USA MODEL ONLY)
1.
SAFETY PRECAUTIONS
The following check should be performed for the
continued protection of the customer and service
technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a know earth ground
(water pipe, conduit, etc.) by connecting a leakage
current tester such as Simpson Model 229-2 or
equivalent between the earth ground and all exposed
metal parts of the appliance (input/output terminals,
screwheads, metal overlays, control shaft, etc.). Plug
the AC line cord of the appliance directly into a 120V
AC 60Hz outlet and turn the AC power switch on. Any
current measured must no exceed 0.5mA.
ANY MEASUREMENT NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A
POTENTIAL SHOCK HAZARD AND MUST BE
CORRECTED BEFORE RERTURNING THE
APPLIANCE TO THE CUSTOMER.
2.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related characteristic. These are
often not evident from visual inspection nor the
protection afforded by them necessarily can be
obtained by using replacement components rated for
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 D on the schematics and
on the parts list in this Service 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 sock,
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.
+
-
Reading should
not be above
0.5mA
Leakage
current
tester
Device
under
test
Test all
exposed metal
surfaces
Earth
ground
Also test with
plug reversed
(Using AC adapter
plug as required)
AC Leakage Test
1. SAFETY INFORMATION
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HTP702-SW, HTP202/302-SW
3
q
POWER AMP SECTION
· Remove the 8 screws from the power amplifier.
· Remove the polyswitch assembly.
· Remove the connector lead, etc.
3. PACKING, EXPLODED VIEWS AND PARTS LIST
NOTES:
q
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
q
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.
q
Parts marked by "
" are not always kept in stock. Their delivery time may be longer than usual or they may be unavailable.
q
PLASTIC FOOT SECTION
· Remove each of the 4 screws.
q
SPEAKER
· Remove each of the 4 screws.
3.1 PACKING
Parts List
Mark No.
Description
Parts No.
1
Operating Instructions
256055
2
RCA Cable Accessory Pack
255245
3
Corner Pad Assy Bottom (HTP702-SW)
255349
3
Corner Pad Assy Bottom (HTP202/302-SW) 255052
4
Corner Pad Assy Top (HTP702-SW)
256878
4
Corner Pad Assy Top (HTP202/302-SW)
256124
5
Poly Bag (HTP702-SW)
255354
5
Poly Bag (HTP202/302-SW)
255067
6
Packing Case (HTP702-SW)
255334
6
Packing Case (HTP202/302-SW)
255230
5
6
1
4
2
3
2. DISASSEMBLY
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HTP702-SW, HTP202/302-SW
4
3.2 EXTERIOR SECTION
Parts List
13 4 3
1
6 5 7 10 11
9
2 8
12
NSP
1
Cabinet Enclosure (HTP702-SW)
255394
NSP
1
Cabinet Enclosure (HTP202/302-SW)
255285
NSP
2
Amplifier Assy
254797
NSP
3
Logo
255101
4
Foot
255116
NSP
5
Port Tube, Paper
255136
NSP
6
Front Port Ring
254306
NSP
7
Rear Port Ring
254346
NSP
8
Label FTC Sticker
258942
NSP
9
UL-CUL Label
255270
10
Polyswitch Assembly
255498
11
Speaker (HTP702-SW)
25-58A/XL
11
Speaker (HTP202/302-SW)
20-208A/XL
12
Screw (for Amplifier & Speaker)
221904
13
Screw (for Foot)
222539
Mark No.
Description
Parts No.
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HTP702-SW, HTP202/302-SW
5
3.3 POWER AMP SECTION
Parts List
Mark No.
Description
Parts No.
Mark No.
Description
Parts No.
1
2P Cord
044899
2
AC Cord
046947
3
BRKT PCB C
077876
NSP
Cushion Gasket
078786
4
Cushion Stopper
078519
5
Deco Sheet (Large)
043143
6
Deco Sheet (Small)
084846
7
Heatsink Sub
045576
8
Knob
072992
NSP
Label Caution
084934
Cable Tie
080558
9
Mold Case
080336
Mold RCA Cap
080250
10
Panel Rear Assy
043163
NSP
11
Power Amp PCB Section
084541
12
Screw (3X10 BL)
075640
13
Screw (4X10 BL)
075659
14
Screw (M3X8 ZC)
075273
15
Tr 2SA1635 (Q611, Q615)
084680
16
Tr 2SC4008 (Q610, Q614)
084682
17
Trans Power
084759
4
1
2
3
6
5
7
8
11
10
9
12
13
14
17
16
15
13
12
12
12

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