PIONEER VSXD914K Service Manual

Cover page of PIONEER VSXD914K Service Manual

Service Manual for PIONEER VSXD914K, downloadable as a PDF file.

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ORDER NO.
PIONEER 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 CORPORATION 2004
UP
DOWN
MULTI JOG
MASTER VOLUME
ENTER
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D914
STANDBY/ON
PHONES
DVD/LD
TV/SAT
DVR/VCR
VIDEO
CD
CD-R/
TAPE/MD
TUNER
AUX
STATION
STANDARD
SPEAKERS
S-VIDEO
MCACC
DIGITAL IN
SETUP MIC
VIDEO
VIDEO INPUT
L AUDIO R
ADVANCED
SURROUND
STEREO/
DIRECT
SIGNAL
SELECT
MIDNIGHT/
LOUDNESS
SB CH
MODE
TUNING
LISTENING MODE
TONE
QUICK SETUP
TUNER EDIT
CLASS
BAND
MPX
MULTI JOG
INPUT ATT
FL DIMMER
MULTI JOG
VSX-D914-K
RRV2889
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D914-K
VSX-D814-K
VSX-D814-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
VSX-D914-K
KUXJICA
AC120V
VSX-D814-K
KUXJICA
AC120V
VSX-D814-S
KUXJICA
AC120V
For details, refer to "Important symbols for good services".
ZZK FEB. 2004 printed in Japan
background image
ORDER NO.
PIONEER 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 CORPORATION 2004
UP
DOWN
MULTI JOG
MASTER VOLUME
ENTER
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D914
STANDBY/ON
PHONES
DVD/LD
TV/SAT
DVR/VCR
VIDEO
CD
CD-R/
TAPE/MD
TUNER
AUX
STATION
STANDARD
SPEAKERS
S-VIDEO
MCACC
DIGITAL IN
SETUP MIC
VIDEO
VIDEO INPUT
L AUDIO R
ADVANCED
SURROUND
STEREO/
DIRECT
SIGNAL
SELECT
MIDNIGHT/
LOUDNESS
SB CH
MODE
TUNING
LISTENING MODE
TONE
QUICK SETUP
TUNER EDIT
CLASS
BAND
MPX
MULTI JOG
INPUT ATT
FL DIMMER
MULTI JOG
VSX-D914-K
RRV2889
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-D914-K
VSX-D814-K
VSX-D814-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
VSX-D914-K
KUXJICA
AC120V
VSX-D814-K
KUXJICA
AC120V
VSX-D814-S
KUXJICA
AC120V
For details, refer to "Important symbols for good services".
ZZK FEB. 2004 printed in Japan
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VSX-D914-K
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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 cer tain electrical par ts contain chemicals which are known to the state of California to
cause cancer, bir th 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 RETURN-
ING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related character istics. 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 par ts which have these
special safety character istics are identified in this
Service Manual.
Electr ical 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
infor mation, always consult the current PIONEER
Ser vice Manual. A subscription to, or
additional copies
of, PIONEER Ser vice Manual may be obtained at a
nominal charge from PIONEER.
(FOR USA MODEL ONLY)
1. SAFETY PRECAUTIONS
The following check should be perfor med for the
continued protection of the customer and ser vice
technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known ear th ground
(water pipe, conduit, etc.) by connecting a leakage
current tester such as Simpson Model 229-2 or
equivalent between the ear th ground and all exposed
metal par ts of the appliance (input/output ter minals,
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.
Device
under
test
Leakage
current
tester
Earth
ground
Reading should
not be above
0.5 mA
Also test with
plug reversed
(Using AC adapter
plug as required)
Test all
exposed metal
surfaces
AC Leakage Test
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[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
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VSX-D914-K
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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 7
2.1 PACKING ................................................................................................................................................... 7
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 FRONT PANEL SECTION ....................................................................................................................... 10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................12
3.1 BLOCK DIAGRAM ................................................................................................................................... 12
3.2 OVERALL WIRING CONNECTION DIAGRAM........................................................................................ 14
3.3 MAIN ASSY (1/3) ..................................................................................................................................... 16
3.4 MAIN ASSY (2/3) ..................................................................................................................................... 18
3.5 MAIN ASSY (3/3) ..................................................................................................................................... 20
3.6 DSP ASSY (1/2)....................................................................................................................................... 22
3.7 DSP ASSY (2/2)....................................................................................................................................... 24
3.8 AMP & PRIMARY (1/2), TRANS2 and TRANS3 ASSYS ......................................................................... 26
3.9 AMP&PRIMARY(1/2), REGULATOR, AMP INPUT and TRANS1 ASSYS ............................................... 28
3.10 VIDEO, 5.1CH, B TO B and S. VIDEO ASSYS ...................................................................................... 30
3.11 FRONT DISPLAY, R. ENCODER, P. SW&FUNC KEY and F. KEY ASSYS ........................................... 32
3.12 TRANS4, H.P., PRE-OUT, D. IN, COMPONENT and F.OPT & MIC ASSYS.......................................... 34
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 36
4.1 REGULATOR ASSY................................................................................................................................. 36
4.2 TRANS2, TRANS3, TRANS1 and TRANS4 ASSYS ................................................................................ 37
4.3 MAIN ASSY ............................................................................................................................................. 38
4.4 DSP ASSY ............................................................................................................................................... 42
4.5 AMP & PRIMARY and AMP INPUT ASSYS ............................................................................................ 44
4.6 F. DISPLAY, R. ENCODER, P. SW & FUNC KEY, H. P. and F. KEY ASSYS ............................................ 46
4.7 B TO B, DIGITAL IN, VIDEO and 5.1CH ASSYS ..................................................................................... 50
4.8 S.VIDEO, F. OPT & MIC, COMPONENT and PRE-OUT ASSYS ............................................................ 52
5. ELECTRICAL PARTS LIST ............................................................................................................................ 54
6. ADJUSTMENT ............................................................................................................................................... 60
7. GENERAL INFORMATION ............................................................................................................................. 61
7.1 DIAGNOSIS ............................................................................................................................................. 61
7.1.1 DISASSEMBLY.................................................................................................................................. 61
7.2 PARTS...................................................................................................................................................... 63
7.2.1 IC ....................................................................................................................................................... 63
7.2.2 DISPLAY ............................................................................................................................................ 69
7.3 EXPLANATION ........................................................................................................................................ 71
7.3.1 POWER ON AND OFF INITIAL TIMING CHART .............................................................................. 71
7.3.2 IC DATA TRANSMISSION TIMING CHART....................................................................................... 73
7.3.3 DETECTION CIRCUIT ...................................................................................................................... 74
7.3.4 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION.............................................. 75
7.3.5 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART .......................................................................... 77
7.4 CLEANING............................................................................................................................................... 77
8. PANEL FACILITIES ........................................................................................................................................ 78
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1. SPECIFICATIONS
Amplifier section
Continuous average power output of 110
watts (VSX-D914) / 100 watts (VSX-D814)* per
channel, min., at 8 ohms, from 20 Hz to 20,000
Hz with no more than 0.2 %** total harmonic
distortion (front).
Continuous power output (stereo)
VSX-D914 (Front). . . . . . . . . . . . . . . . . . . . 110 W
(20­20,000 Hz, THD 0.2 %, 8
)
VSX-D814 (Front). . . . . . . . . . . . . . . . . . . . 100 W
(20­20,000 Hz, THD 0.2 %, 8
)
Continuous power output (surround)
VSX-D914
Front. . . . . . . . . . . . . . . . . .110 W per channel
(1kHz, 1.0 %, 8
)
Center . . . . . . . . . . .110 W (1kHz, 1.0 %, 8
)
Surround. . . . . . . . . . . . . .110 W per channel
(1kHz, 1.0 %, 8
)
Surround Back . . . . . . . . .110 W per channel
(1kHz, 1.0 %, 8
)
VSX-D814
Front. . . . . . . . . . . . . . . . . .100 W per channel
(1kHz, 1.0 %, 8
)
Center . . . . . . . . . . .100 W (1kHz, 1.0 %, 8
)
Surround. . . . . . . . . . . . . .100 W per channel
(1kHz, 1.0 %, 8
)
Surround Back . . . . . . . . .100 W per channel
(1kHz, 1.0 %, 8
)
Input (Sensitivity/Impedance)
CD, DVR/VCR, CD-R/TAPE/MD,
DVD/LD, TV/SAT . . . . . . . . . . . . . .200 mV/47 k
Frequency response
CD, DVR/VCR, CD-R/TAPE/MD, DVD/LD,
TV/SAT. . . . . . . . . . . . .5 Hz to 100,000 Hz
dB
Output (Level/Impedance)
DVR/VCR REC, CD-R/TAPE/
MD REC . . . . . . . . . . . . . . . . . . . .200 mV/2.2 k
Tone control
Bass . . . . . . . . . . . . . . . . . . . . . .
± 6 dB (100 Hz)
Treble . . . . . . . . . . . . . . . . . . . . .
± 6 dB (10 kHz)
Loudness . . . +6.5 dB/+3 dB (100 Hz/10 kHz)
(at volume level -50 dB)
Signal-to-Noise Ratio
(IHF, short circuited, A network)
CD, DVR/VCR, CD-R/TAPE/MD,
DVD/LD, TV/SAT. . . . . . . . . . . . . . . . . . . . . 96 dB
Signal-to Noise Ratio
[EIA, at 1 W (1 kHz)]
CD, DVR/VCR, CD-R/TAPE/MD,
DVD/LD, TV/SAT. . . . . . . . . . . . . . . . . . . . . 79 dB
Video Section
Input (Sensitivity/Impedance)
DVR/VCR, DVD/LD, TV/SAT . . . . . . 1 Vp-p/75
Output (Level/Impedance)
DVR/VCR, MONITOR OUT . . . . . . . 1 Vp-p/75
Frequency response
DVR/VCR, DVD/LD,
TV/SAT
] MONITOR. . . . . 5 Hz to 7 MHz dB
Signal-to-Noise Ratio. . . . . . . . . . . . . . . . . 55 dB
Component video section
Input (Sensitivity)
DVD/LD, TV/SAT. . . . . . . . . . . . . . . . 1 Vp-p/75
Output (Level/Impedance)
MONITOR OUT. . . . . . . . . . . . . . . . . 1 Vp-p/75

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