PIONEER VSX815S Service Manual

PIONEER VSX815S Service Manual
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Service Manual for PIONEER VSX815S, 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 2005

S-VIDEO

VIDEO INPUT

DIGITAL IN

VIDEO

L AUDIO R

SETUP MIC

MCACC

DOWN

MULTIJOG

MASTER

VOLUME

ENTER

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

STANDBY/ON

PHONES

DVD/LD

TV/SAT

DVR/VCR

VIDEO

CD-R/TAPE/MD

TUNER

AUX

STANDARD

ACOUSTIC

ADVANCED

SURR

ST/DIRECT

/AUTO SURR

SIGNAL

SELECT

LISTENING MODE

QUICK

SETUP

SYSTEM

SETUP

RETURN

SPEAKERS

BAND

TONE

INPUT

ATT

EXTENDED

MODE

TUNING

/STATION

TUNER

EDIT

FL DIMMER

MULTI JOG

VSX-815-K

RRV3093

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-815-K

VSX-815-S

VSX-915-K

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model

Type

Power Requirement

Remarks

VSX-815-K

KUXJ/CA

AC 120V

VSX-815-S

KUXJ/CA

AC 120V

VSX-915-K

KUXJ/CA

AC 120V

For details, refer to "Important Check Points for Good Servicing".

ZZK MAR. 2005 printed in Japan

VSX-815-K

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

Service 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

VSX-815-K

[Important Check Points for Good Servicing]

In this manual, procedures that must be performed during repairs are marked with the below symbol.

Please be sure to confirm and follow these procedures.

1. Product safety

Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by

following the safety instructions described in this manual.

1 Use specified parts for repair.

Use genuine parts. Be sure to use important parts for safety.

2 Do not perform modifications without proper instructions.

Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as

radio/TV interference and foreign noise.

3 Make sure the soldering of repaired locations is properly performed.

When you solder while repairing, please be sure that there are no cold solder and other debris.

Soldering should be finished with the proper quantity. (Refer to the example)

4 Make sure the screws are tightly fastened.

Please be sure that all screws are fastened, and that there are no loose screws.

5 Make sure each connectors are correctly inserted.

Please be sure that all connectors are inserted, and that there are no imperfect insertion.

6 Make sure the wiring cables are set to their original state.

Please replace the wiring and cables to the original state after repairs.

In addition, be sure that there are no pinched wires, etc.

7 Make sure screws and soldering scraps do not remain inside the product.

Please check that neither solder debris nor screws remain inside the product.

8 There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord.

Damaged power cords may lead to fire accidents, so please be sure that there are no damages.

If you find a damaged power cord, please exchange it with a suitable one.

9 There should be no spark traces or similar marks on the power plug.

When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure

connections and suitable usage. Please exchange the power cord if necessary.

0 Safe environment should be secured during servicing.

When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries.

Please pay attention to your surroundings and repair safely.

2. Adjustments

To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification.

Adjustments should be performed in accordance with the procedures/instructions described in this manual.

4. Cleaning

For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper

cleaning should be performed to restore their performances.

3. Lubricants, Glues, and Replacement parts

Use grease and adhesives that are equal to the specified substance.

Make sure the proper amount is applied.

5. Shipping mode and Shipping screws

To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be

installed before shipment. Please be sure to follow this method especially if it is specified in this manual.

VSX-815-K

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(2/2), 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

3.13 VIDEO CONVERTER ASSY .................................................................................................................. 36

4. PCB CONNECTION DIAGRAM ..................................................................................................................... 38

4.1 REGULATOR ASSY................................................................................................................................. 38

4.2 TRANS2, TRANS3, TRANS1 and TRANS4 ASSYS ................................................................................ 39

4.3 MAIN ASSY ............................................................................................................................................. 40

4.4 DSP ASSY ............................................................................................................................................... 44

4.5 AMP & PRIMARY and AMP INPUT ASSYS ............................................................................................ 46

4.6 F. DISPLAY, R. ENCODER, P. SW & KEY, H. P. and F. KEY ASSYS ....................................................... 48

4.7 B TO B, DIGITAL IN, VIDEO, 5.1CH and VIDEO CONVERTER ASSYS ................................................. 52

4.8 S.VIDEO, F. INPUT, COMPONENT and PRE-OUT ASSYS .................................................................... 54

5. ELECTRICAL PARTS LIST ............................................................................................................................ 56

6. ADJUSTMENT ............................................................................................................................................... 62

7. GENERAL INFORMATION ............................................................................................................................. 63

7.1 DIAGNOSIS ............................................................................................................................................. 63

7.1.1 DISASSEMBLY.................................................................................................................................. 63

7.2 PARTS...................................................................................................................................................... 65

7.2.1 IC ....................................................................................................................................................... 65

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 ...................................................................................................................... 76

7.3.4 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION.............................................. 77

7.3.5 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART .......................................................................... 79

7.4 CLEANING............................................................................................................................................... 79

8. PANEL FACILITIES ........................................................................................................................................ 80

VSX-815-K

1. SPECIFICATIONS

Specifications

Amplifier section

Continuous power output (stereo)

Front:

VSX-815 . . .100 W (2020,000 Hz, THD 0.7%, 8

)

VSX-915 . . 120 W (2020,000 Hz, THD 0.7%, 8

Continuous power output (surround)

VSX-815 model:

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

)

VSX-915 model:

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

)

Audio section

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

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 . . . . . . +10 dB/+5 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

Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . 55 dB

Crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50dB

Component video section

Input (Sensitivity)

DVD/LD, TV/SAT . . . . . . . . . . . . . . . . . 1 Vp-p/75

Output (Level/Impedance)

MONITOR OUT . . . . . . . . . . . . . . . . . . 1 Vp-p/75

Frequency response

DVD/LD,

TV/SAT

MONITOR. . . . . 5 Hz to 40 MHz

Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . 60 dB

Note

Continuous average power output of 110 watts* per channel, min.,

at 8ohms, from 20 Hz to 20,000 Hz with no more than

0.7%** total harmonic distortion (front).

* Measured pursuant to the Federal Trade Commission's Trade Regulation

rule on Power Output Claims for Amplifiers.

** Measured by Audio Spectrum Analyzer.

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