Pioneer vsxd 07 tx service manual
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Page 1
{ID PIONEER
The Art of Entertainment
Service
Manual
AUDIONIDEO STEREO RECEIVER
VSX-DQOGS
VSX-07TX
VSX-09TX
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
o
I.
ECLJ
ORDER NO.
RRV 1 7 7 O
Model - The volta a can be convened by the
Type vsx-Dsoss vsx-o-rrx vsx-osrx PM Requ'remem following eneIhod.
KU O 7 7 ACIZOV
KC 0 - - AC120V
SD 0 w - AC110V/120 - 127w220w240v WIIh the voltage selector
KU/CA - O 0 ACIZOV
CONTENTS
1. SAFETYINFORMATION ................. 2
2. EXPLODED VIEWS AND PARTS LIST 3
3. SCHEMATIC DIAGRAM ........ 12
4. PCB CONNECTION DIAGRAM 49
5. PCB PARTS LIST 80
6. ADJUSTMENT . 93
7. GENERALINFOFI 96
7.1 PARTS .,
7.1.1 IC
7.1.2 DISPLAY .
7.2 BLOCK DIAGRAM 102
7.3 REMOTE CONTROL UNIT 104
3. PANEL FACILITIES AND SPECIFICATIONS 108
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Megurkau,T0kvo 153, Japan
PIONEER ELECTRONICS SERVICE. INC. ROEOX 1760. Long Beach, CA 9080171760. U.S.AL
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1037, Keetberglaan 1,9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, 10-00 Lane Crawford Place, Singapore 0823
© PIONEER ELECTRONIC CORPORATION 1997 T»FZK MAY 1997 Printed in Belgium
Page 2
VSX-DQOGS, VSX-O7TX, VSX-09TX
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
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 8. Safety Code, Section 25249.5).
When servrcing or handling oircuit 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 -E[+ (last operating fuse) and/or a (slow operating fuse) on PCB indicate that replace-
ment parts must be of identical designation.
REMARQUE
(POUR MODELE CANADIEN SEULEMENT)
Les symboles de fusible E (fusible de type rapide) et/cu a (fusible do type lent) sur CCI indiquent
que les pieces de remplacement doivent avoir la meme 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 known earth ground
(water pipe, conduit, etc.) by connecting a leakage
current tester such as Simpson Model 229-2 or
ANY MEASUREMENTS NOT WITHIN THE
LIMITS OUTLINED ABOVE ARE INDICATIVE
OF A POTENTIAL SHOCK HAZARD AND
MUST BE CORRECTED BEFORE RETURN-
ING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
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 60 Hz outlet and turn the AC power switch on. Any
current measured must not exceed 0.5 mA.
Readng should
not be above
Leakage o 5 mA
cunent
tester
Test all
exposed metal
surfems
Aiso test wan
plug reversed
(Using AC adapter Earth
plug as requiem a wound
AC Leakage Test
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
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.