PIONEER VSX-49TX/KU/CA Service Manual

Cover page of PIONEER VSX-49TX/KU/CA Service Manual

Service Manual for PIONEER VSX-49TX/KU/CA, downloadable as a PDF file.

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ORDER NO.
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) 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 ELECTRONIC CORPORATION 2001
c
VSX-49TX
RRV2523
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............... 3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 14
4. PCB CONNECTION DIAGRAM ......................... 82
5. PCB PARTS LIST ............................................. 122
6. ADJUSTMENT .................................................. 140
CONTENTS
7. GENERAL INFORMATION .............................. 141
7.1 DIAGNOSIS ................................................ 141
7.1.1 TEST MODE ......................................... 141
7.1.2 Protection Circuit Control ..................... 142
7.1.3 DISASSEMBLY .................................... 145
7.2 PARTS ........................................................ 149
7.2.1 IC .......................................................... 149
7.2.2 DISPLAY ............................................... 158
7.3 REMOTE CONTROL UNIT ........................ 160
8. PANEL FACILITIES AND SPECIFICATIONS ..... 171
T ­ ZZR OCT. 2001 Printed in Japan
VSX-47TX
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
Type
Model
Power Requirement
Remarks
VSX-49TX
VSX-47TX
KU/CA
AC120V
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
STANDBY/ON
OFF
ON
STANDBY
DVD/LD
TV/DVD
SAT
VIDEO
VIDEO
AUDIO
VCR
VCR2
VCR3
CD
TUNER
PHONO
MAC3
CD-R/
TAPE1/MD
MULTI CH
INPUT
LISTENING MODE SELECTOR
MASTER VOLUME
INPUT SELECTOR
VSX-49TX
AUDIO/VIDEO MULTI-CHANNEL AMPLIFIER
DOWN
UP
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ORDER NO.
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) 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 ELECTRONIC CORPORATION 2001
c
VSX-49TX
RRV2523
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............... 3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 14
4. PCB CONNECTION DIAGRAM ......................... 82
5. PCB PARTS LIST ............................................. 122
6. ADJUSTMENT .................................................. 140
CONTENTS
7. GENERAL INFORMATION .............................. 141
7.1 DIAGNOSIS ................................................ 141
7.1.1 TEST MODE ......................................... 141
7.1.2 Protection Circuit Control ..................... 142
7.1.3 DISASSEMBLY .................................... 145
7.2 PARTS ........................................................ 149
7.2.1 IC .......................................................... 149
7.2.2 DISPLAY ............................................... 158
7.3 REMOTE CONTROL UNIT ........................ 160
8. PANEL FACILITIES AND SPECIFICATIONS ..... 171
T ­ ZZR OCT. 2001 Printed in Japan
VSX-47TX
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
Type
Model
Power Requirement
Remarks
VSX-49TX
VSX-47TX
KU/CA
AC120V
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
STANDBY/ON
OFF
ON
STANDBY
DVD/LD
TV/DVD
SAT
VIDEO
VIDEO
AUDIO
VCR
VCR2
VCR3
CD
TUNER
PHONO
MAC3
CD-R/
TAPE1/MD
MULTI CH
INPUT
LISTENING MODE SELECTOR
MASTER VOLUME
INPUT SELECTOR
VSX-49TX
AUDIO/VIDEO MULTI-CHANNEL AMPLIFIER
DOWN
UP
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2
VSX-49TX, VSX-47TX
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.
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL
SHOCK HAZARD AND MUST BE CORRECTED BEFORE
RETURNING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
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 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
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, 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.
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 known 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 not exceed 0.5mA.
(FOR USA MODEL ONLY)
Leakage
current
tester
Reading should
not be above
0.5mA
Device
under
test
Test all
exposed metal
surfaces
Also test with
plug reversed
(Using AC adapter
plug as required)
Earth
ground
AC Leakage Test
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VSX-49TX, VSX-47TX
3
2.1 PACKING
1
Power Cord
ADG7052
2
FM Wire Antenna
ADH7010
3
AM Loop Antenna
ATB7009
4
Remote Control Unit AX10KU
See Contrast table (2)
5
Remote Control Unit 47TXKU
See Contrast table (2)
6
Alkaline Dry Cell Battery
VEM1021(2pcs.)
(LR6, AA)
7
Operating Instructions (English) See Contrast table (2)
8
Caution Sheet SP, E
ARM7056
NSP
9
Warranty Card EL
ARY1026
10
Cushion for Remote
See Contrast table (2)
11
Top Pad
AHA7362
12
Bottom Pad
AHA7363
13
Spacer
AHB7057
14
Packing Case
See Contrast table (2)
15
Packing Sheet
DHL1022
NSP
16
Polyethylene Bag
Z21-038
(0.03
× 230 × 340)
17
Remote Control Cable
See Contrast table (2)
18
Remote Control Stand
See Contrast table (2)
19
Handle Cover
AHX7034
20
Microphone
See Contrast table (2)
(1) 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.
· Screws adjacent to mark on the product are used for disassembly.
(2) CONTRAST TABLE
VSX-49TX/KU/CA and VSX-47TX/KU/CA constructed the same except for the following :
Mark No.
Symbol and Description
Part No.
Remarks
VSX-49TX/KU/CA
VSX-47TX/KU/CA
4
5
7
10
14
17
18
20
Remote Control Unit AX10KU
Remote Control Unit 47TX/KU
Operating Instruction (English)
Cushion for Remote
Packing Case
Remote Control Cable
Remote Control Stand
Microphone
AXD7295
Not used
ARB7249
AXG7080
AHD8029
Not used
Not used
APM7001
Not used
AXD7299
ARB7250
Not used
AHD8028
ADE7083
AEB7243
Not used
4
16
15
9
8
10
7
11 (1/2)
13
14
13
11 (2/2)
12 (1/2)
VSX-49TX
Only
VSX-49TX
Only
VSX-47TX
Only
VSX-47TX Only
2
3
6
12 (2/2)
17
18
5
20
19
19
1
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VSX-49TX, VSX-47TX
4
2.2 EXTERIOR SECTION
A
A
B
C
D
D
B
C
11
1
12
12
12
22
21
4
23
2
(Shows VSX-49TX)
2
(Shows VSX-49TX)
12
20
13
14
16
4
25
18
6
7
8
17
19
19
17
5
19
10
9
17
9
10
17
18
19
Refer to "2.5 HEAT SINK SECTION."
Refer to "2.6 FRONT PANEL
SECTION."
VSX-49TX ONLY
19
12
4
3
13
14
15
13
25
3
24
20
26
27
4
Refer to "2.3 CHASSIS SECTION."
28
29
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VSX-49TX, VSX-47TX
5
NSP
1
Top Plate BK
ANE7282
2
Side Alum BK
See Contrast table (2)
2
Side Plate BK
See Contrast table (2)
NSP
3
Side Panel Sheet
See Contrast table (2)
NSP
3
Side Panel Sheet S
See Contrast table (2)
NSP
4
Tape
See Contrast table (2)
5
UL Caution Card
AAX-313
NSP
6
Energy Star Label
AAX7876
NSP
7
Bottom Plate B
See Contrast table (2)
NSP
8
Bottom Plate A
ANF7029
9
Insulator Assy
See Contrast table (2)
9
Insulator
See Contrast table (2)
10
Screw
ABA1054
11
Screw
BBT30P060FCC
12
Screw
FBT40P080FZK
13
Screw
ABA7079
14
Screw
RBA1099
15
Screw
VBA1056
16
Screw
ABA1011
17
Screw
ABA1050
18
Screw
ABA1193
19
Screw
IBZ30P090FCC
20
Washer
See Contrast table (2)
21
Coution Label
See Contrast table (2)
22
DTS License Label
See Contrast table (2)
23
Screw
BBZ30P080FCC
24
65 Label
ARW7050
25
Screw
BBT30P100FCC
26
ICP Coution Label
ARW7151
27
FUSE Coution Label
VRW-548
28
ICP Coution Label
ARW7150
29
Binder
ZCA-BK1
(1) EXTERIOR SECTION PARTS LIST
Mark No.
Description
Part No.
(2) CONTRAST TABLE
VSX-49TX/KU/CA and VSX-47TX/KU/CA are constructed the same except for the following :
Mark No.
Symbol and Description
Part No.
Remarks
VSX-49TX/KU/CA
VSX-47TX/KU/CA
NSP
NSP
NSP
NSP
2
2
3
3
4
7
9
9
20
21
22
Side Alum BK
Side Plate BK
Side Panel Sheet
Side panel Sheet S
Tape
Bottom Plate B
Insulator Assy
Insulator
Washer
Caution Label
DTS License Label
AAH7081
Not used
AMR7284
Not used
PNM1249
ANF7030
VXA2368
Not used
Not used
ARW7036
ARW7148
Not used
ANE7279
Not used
AMR7384
Not used
Not used
Not used
PNW2766
ABE7008
Not used
Not used

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