PIONEER VSXD412K Service Manual

PIONEER VSXD412K Service Manual
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Service Manual for PIONEER VSXD412K, 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 2003

DOWN

STATION

TUNER EDIT

INPUT ATT

FL DIMMER

CLASS

BAND

MPX

STANDARD

ADVANCED

SURROUND

STEREO/

DIRECT

SIGNAL

SELECT

ENTER

INPUT

SELECTOR

MASTER VOLUME

MULTI JOG

STANDBY

STANDBY/ON

PHONES

TUNING

MONITOR

MULTI JOG

MIDNIGHT

LOUDNESS

TONE

QUICK

SETUP

LISTENING MODE

VSX-D412-K

RRV2727

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-D412-K

VSX-D412-S

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

Model

Type

Power Requirement

Remarks

VSX-D412-K

KUXJI

AC120V

VSX-D412-S

KUXJI

AC120V

VSX-D412-K

KCXJI

AC120V

VSX-D412-S

KCXJI

AC120V

For details, refer to "Important symbols for good services" .

T-ZZR FEB. 2003 printed in Japan

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 2003

DOWN

STATION

TUNER EDIT

INPUT ATT

FL DIMMER

CLASS

BAND

MPX

STANDARD

ADVANCED

SURROUND

STEREO/

DIRECT

SIGNAL

SELECT

ENTER

INPUT

SELECTOR

MASTER VOLUME

MULTI JOG

STANDBY

STANDBY/ON

PHONES

TUNING

MONITOR

MULTI JOG

MIDNIGHT

LOUDNESS

TONE

QUICK

SETUP

LISTENING MODE

VSX-D412-K

RRV2727

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-D412-K

VSX-D412-S

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

Model

Type

Power Requirement

Remarks

VSX-D412-K

KUXJI

AC120V

VSX-D412-S

KUXJI

AC120V

VSX-D412-K

KCXJI

AC120V

VSX-D412-S

KCXJI

AC120V

For details, refer to "Important symbols for good services" .

T-ZZR FEB. 2003 printed in Japan

VSX-D412-K

1234

123

SAFTY 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-D412-K

678

[ 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.

VSX-D412-K

1234

123

CONTENTS

SAFTY INFORMATION ....................................................................................................................................... 2

1. SPECIFICATIONS ............................................................................................................................................ 5

2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6

2.1 PACKING ................................................................................................................................................... 6

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 D.D & INPUT(1/4) ASSY .......................................................................................................................... 16

3.4 D.D & INPUT(2/4) ASSY .......................................................................................................................... 18

3.5 D.D & INPUT(3/4) ASSY .......................................................................................................................... 20

3.6 D.D & INPUT(4/4) ASSY .......................................................................................................................... 22

3.7 AMP & PRIMARY(1/2), TRANS2 and TRANS3 ASSYS .......................................................................... 24

3.8 AMP & PRIM.(2/2), REG., HASHIGETA, AMP INPUT and TRANS1 ASSYS.......................................... 26

3.9 VIDEO and 6CH IN ASSYS ..................................................................................................................... 28

3.10 FRONT, R.ENCODER and POWER SW ASSYS .................................................................................. 30

3.11 DIGITAL IN, H.P. and KAWA ASSYS ..................................................................................................... 32

3.12 FM/AM TUNER MODULE ...................................................................................................................... 34

4. PCB CONNECTION DIAGRAM ..................................................................................................................... 36

4.1 TRANS1, TRANS2 and TRANS3 ASSYS ................................................................................................ 37

4.2 D.D & INPUT ASSY ................................................................................................................................. 38

4.3 AMP INPUT and AMP & PRIMARY ASSYS ............................................................................................ 42

4.4 FRONT, POWER SW, H.P. and R.ENCODER ASSYS ............................................................................ 44

4.5 REGULATOR, HASHIGETA and KAWA ASSYS...................................................................................... 48

4.6 DIGITAL IN, 6CH IN and VIDEO ASSYS ................................................................................................. 50

4.7 FM/AM TUNER MODULE ........................................................................................................................ 52

5. PCB PARTS LIST ........................................................................................................................................... 53

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

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

7.1 DISASSEMBLY and DIAGNOSIS ............................................................................................................ 63

7.1.1 DISASSEMBLY and PCB LOCATION................................................................................................... 63

7.1.2 U-COM BLOCKDIAGRAM .................................................................................................................... 64

7.1.3 PROTECTION CIRCUIT ....................................................................................................................... 65

7.1.4 POWER ON SEQUENCE ..................................................................................................................... 66

7.1.5 POWER OFF SEQUENCE ................................................................................................................... 67

7.2 PARTS...................................................................................................................................................... 68

7.2.1 IC .......................................................................................................................................................... 68

7.2.2 DISPLAY ............................................................................................................................................... 77

8. PANEL FACILITIES ........................................................................................................................................ 79

VSX-D412-K

678

1. SPECIFICATIONS

Accessories

Remote control unit

(XXD3038)

AM loop antenna

(ATB7009)

FM wire antenna

(ADH7004)

AA size IEC R6P

Dry cell batteries (x2)

Amplifier Section

Continuous average power output of 100 watts* 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

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, VCR/DVR, CD-R/TAPE/MD, DVD/LD, TV/SAT ... 200 mV/47 k

Frequency Response

CD, VCR/DVR, CD-R/TAPE/MD, DVD/LD,TV/SAT

.................................................................. 5 Hz to 100,000 Hz

Output (Level/Impedance)

VCR/DVR REC, CD-R/TAPE/MD REC .................... 200 mV/2.2 k

Tone Control

BASS ......................................................................

± 6 dB (100 Hz)

TREBLE ..................................................................

± 6 dB (10 kHz)

LOUDNESS ..................................... +9 dB/+9 dB (100 Hz/10 kHz)

Signal-to-Noise Ratio (IHF, short circuited, A network)

CD, VCR/DVR, CD-R/TAPE/MD,DVD/LD, TV/SAT .................. 96 dB

Signal-to Noise Ratio [EIA, at 1 W (1 kHz)]

CD, VCR/DVR, CD-R/TAPE/MD,DVD/LD, TV/SAT .................. 79 dB

Video Section

Input (Sensitivity/Impedance)

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

Output (Level/Impedance)

VCR/DVR ...................................................................... 1 Vp-p/75

Frequency Response

VCR/DVR, DVD/LD,TV/SAT

] MONITOR ........ 5 Hz to 7 MHz dB

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

Cross Talk ............................................................................... 55 dB

FM Tuner Section

Frequency Range .......................................... 87.5 MHz to 108 MHz

Usable Sensitivity ....................... Mono:13.2 dBf, IHF (1.3

µV/ 75 )

50 dB Quieting Sensitivity ......................................... Mono: 20.2 dB

Stereo: 38.6 dBf

Signal-to-Noise Ratio ................................. Mono: 73 dB (at 85 dBf)

Stereo: 70 dB (at 85 dBf)

Distortion ........................................................ Stereo: 0.5 % (1 kHz)

Alternate Channel Selectivity ................................. 60 dB (400 kHz)

Stereo Separation ...................................................... 40 dB (1 kHz)

Frequency Response ................................. 30 Hz to 15 kHz (

±1 dB)

Antenna Input (DIN) .............................................. 75

unbalanced

AM Tuner Section

Frequency Range ........................................... 530 kHz to 1,700 kHz

Sensitivity (IHF, Loop antenna) ......................................... 350

µV/m

Selectivity ................................................................................ 25 dB

Signal-to-Noise Ratio .............................................................. 50 dB

Antenna ...................................................................... Loop antenna

Miscellaneous

Power Requirements ............................................... AC 120 V, 60Hz

Power Consumption

VSX-D412-K

VSX-D412-S

...........................................................

260W (KU)

340VA (KC)

In Standby ............................................................................. 1 W

AC Outlet ................................................ 100 W MAX. (SWITCHED)

Dimensions ................................... 420 (W) x 158 (H) x 393 (D) mm

(16-9/16 (W) x 6-4/16 (H) x 15-8/16 (D) in.)

Weight (without package)

VSX-D412-K.......................................................................... 9.0

(19.8 lb)

Furnished Parts

AM loop antenna ............................................................................ 1

FM wire antenna ............................................................................ 1

Dry cell batteries (AA size IEC R6P) .............................................. 2

Remote control ............................................................................... 1

Operating instructions .................................................................... 1

Specifications and the design are subject to possible modifications

without notice, due to improvements.

* Measured pursuant to the Federal Trade Commission's Trade

Regulation rule on Power Output Claims for Amplifiers.

** Measured by Audio Spectrum Analyzer.

"DTS" ,"ES" and "DTS Digital Surround" are trademarks

of Digital Theater Systems, Inc.

Manufactured under license from Dolby Laboratories.

"Dolby", "Pro Logic II" and the double D symbol 2 are

trademarks of Dolby Laboratorories.

INPUT

SELECT

TV/SA

VD/LD

RECEIVER

CONTR

SUB

TITLE

UDIO

TEST T

ONE

LEVEL

EFFECT

TUNER

EDIT

RECEI- VER

AND

ARD

STEREO

VANCED

SURR

OUND

INPUT AT

DIMMER

MUTE

MASTER V

LUME

CD-R/

APE/MD

VCR/ DV

ENTER

SETUP

RECEIVER

TUNING

CLASS

DISPLA

SELECT

ION

MIDNIGHT/ LOUDNESS

TUNER

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