PIONEER VSX 918, VSX 818 Service Manual

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

2008

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-918V

ACOUSTICEQPHASE

AUTO SURR /

CONTROL

PHASE

CONTROL

STANDBY/ON

INPUT

SELECTOR

DVD

PHONES

DIGITAL PRECISION

PROCESSING

DVRTV

VIDEO/PORTABLE

SIGNAL

SOUND

SPEAKERS

VSB MODE

SELECT

RETRIEVER

CD-R

iPod USB

iPod DIRECT

USB

AUDIO RLVIDEO

STREAM DIRECT

ADVANCED

STEREO /

STANDARD

SURROUND

A.L.C.

AUX

MCACC

PORTABLE

MASTER VOLUME

VSX-918V-K

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-918V-K

VSX-918V-S VSX-818V-K VSX-818V-S

ORDER NO.

RRV3736

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

Model Type Power Requirement Remarks

VSX-918V-K MYSXJ5 AC 220 V to 230 V

VSX-918V-S MYSXJ5 AC 220 V to 230 V

VSX-818V-K MYSXJ5 AC 220 V to 230 V

VSX-818V-S MYSXJ5 AC 220 V to 230 V

For details, refer to "Important Check Points for good servicing".

T- Z Z K M A R .

2008 Printed in Japan

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 Ð 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.

(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 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.

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 al l exposed metal surfaces

AC Leakage Test

2 3 4

SAFETY INFORMATION

2 3 4

VSX-918V-K

6 7 8

VSX-918V-K

6 7 8

2 3 4

SAFETY INFORMATION ..........................................................................................................................................................2

1. SERVICE PRECAUTIONS ....................................................................................................................................................5

1.1 NOTES ON SOLDERING ...............................................................................................................................................5

1.2 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART........................................................................................................5

2. SPECIFICATIONS .................................................................................................................................................................6

2.1 SPECIFICATIONS...........................................................................................................................................................6

2.2 PANEL FACILITIES .........................................................................................................................................................7

3. BASIC ITEMS FOR SERVICE.............................................................................................................................................13

3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................13

3.2 JIGS LIST .....................................................................................................................................................................13

3.3 PCB LOCATIONS .........................................................................................................................................................14

4. BLOCK BIAGRAM...............................................................................................................................................................16

4.1 OVERALL WIRING CONNECTION DIAGRAM (VSX-918V) ........................................................................................16

4.2 OVERALL WIRING CONNECTION DIAGRAM (VSX-818V) ........................................................................................18

4.3 BLOCK DIAGRAM (VSX-918V) ....................................................................................................................................20

4.4 BLOCK DIAGRAM (VSX-818V) ....................................................................................................................................22

4.5 DSP BLOCK DIAGRAM................................................................................................................................................24

4.6 HDMI BLOCK DIAGRAM..............................................................................................................................................25

4.7 USB BLOCK DIAGRAM................................................................................................................................................26

5. DIAGNOSIS.........................................................................................................................................................................27

5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................27

5.2 DETECTION CIRCUIT..................................................................................................................................................45

5.3 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION .........................................................................47

6. SERVICE MODE .................................................................................................................................................................49

7. DISASSEMBLY....................................................................................................................................................................50

8. EACH SETTING AND ADJUSTMENT ................................................................................................................................55

8.1 HOW TO UPDATE FIRMWARE....................................................................................................................................55

9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................56

9.1 PACKING SECTION .....................................................................................................................................................56

9.2 EXTERIOR SECTION...................................................................................................................................................58

9.3 REAR PANEL SECTION...............................................................................................................................................60

9.4 FRONT PANEL SECTION ............................................................................................................................................62

10. SCHEMATIC DIAGRAM ....................................................................................................................................................64

10.1 MAIN ASSY (1/3) ........................................................................................................................................................64

10.2 MAIN ASSY (2/3) ........................................................................................................................................................66

10.3 MAIN ASSY (3/3) ........................................................................................................................................................68

10.4 DSP & USB ASSY (1/4)..............................................................................................................................................70

10.5 DSP & USB ASSY (2/4)..............................................................................................................................................72

10.6 DSP & USB ASSY (3/4)..............................................................................................................................................74

10.7 DSP & USB ASSY (4/4)..............................................................................................................................................76

10.8 POWER PACK (1/2) and TRANS2 ASSYS.................................................................................................................78

10.9 POWER PACK ASSY (2/2) .........................................................................................................................................80

10.10 COMPONENT VIDEO, 5.1CH INPUT and TRANS3 ASSYS ...................................................................................82

10.11 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS ...............................................................84

10.12 DIGITAL INPUT, REGULATOR and HEAD PHONE ASSYS.....................................................................................86

10.13 VIDEO, PRIMARY and FRONT VIDEO ASSYS .......................................................................................................88

10.14 FRONT IN ASSY.......................................................................................................................................................90

10.15 HDMI & DSP & USB ASSY (1/5) ..............................................................................................................................92

10.16 HDMI & DSP & USB ASSY (2/5) ..............................................................................................................................94

10.17 HDMI & DSP & USB ASSY (3/5) ..............................................................................................................................96

10.18 HDMI & DSP & USB ASSY (4/5) ..............................................................................................................................98

10.19 HDMI & DSP & USB ASSY (5/5) ..................................................................................................

..........................100

11. PCB CONNECTION DIAGRAM ......................................................................................................................................102

11.1 DSP & USB and HDMI ASSYS.................................................................................................................................102

11.2 MAIN ASSY ..............................................................................................................................................................106

11.3 POWER PACK ASSY................................................................................................................................................110

11.4 TRANS2 and TRANS3 ASSYS.................................................................................................................................114

11.5 COMPONENT VIDEO ASSY....................................................................................................................................116

11.6 5.1CH INPUT and HEAD PHONE ASSYS ...............................................................................................................117

11.7 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS ...............................................................118

11.8 DIGITAL INPUT and FRONT VIDEO ASSYS ...........................................................................................................122

11.9 REGULATOR ASSY..................................................................................................................................................123

11.10 VIDEO ASSY ..........................................................................................................................................................124

11.11 FRONT IN ASSY.....................................................................................................................................................125

11.12 PRIMARY ASSY .....................................................................................................................................................126

11.13 HDMI & DSP & USB ASSY.....................................................................................................................................128

12. ELECTRICAL PARTS LIST .............................................................................................................................................132

2 3 4

VSX-918V-K

• For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit. Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering.

• Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 °C. Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 °C in general, although the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of the soldering iron.

Do NOT use a soldering iron whose tip temperature cannot be controlled.

Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to melt/easy to harden).

The following lead-free solders are available as service parts:

• Parts numbers of lead-free solder: GYP1006 1.0 in dia. GYP1007 0.6 in dia. GYP1008 0.3 in dia.

Amplifier failure diagnosis flow chart

When DC detection is activated ("AMP_ERR" flashes on the display), failure (damage) of the power amplifier section is considered.

Caution: When releasing the lock state of power key before repair, please be careful because there is the possibility that more damages will occur when turning on the power once again!

• According to a symptom, perform the following confirmation beforehand.

1) Are there any Fuses and IC protectors open? ↓

2) After turn on the power, confirm that the supply voltage of the point that can be measured is appropriate. (Particularly the supply voltage of the power Tr and drive step) ↓

3) Whether the voltage of pin2 and pin5 of IC601 or IC603 is equal to (VL-0.7V). If not (eg, equal to VH), then change the corresponding power pack IC601 or IC603. ↓

4) Furthermore, check the output DC voltage of each channel of power pack IC601 and IC603 to limit the failure channel and identify the defect power pack.

↓

• After identify the failure channel, check that each part is not damaged (resistor, diode... etc. value / open / short)

6 7 8

1. SERVICE PRECAUTIONS

1.1 NOTES ON SOLDERING

1.2 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART

6 7 8

VSX-918V-K

Manufactured under license from Dolby

Laboratories. “Dolby”, “Pro Logic” and the

double-D symbol are trademarks of Dolby

Laboratories.

“DTS” is a registered trademark of DTS, Inc.

and “DTS 96/24” is a trademark of DTS, Inc.

Amplifier section

• Continuous power output (stereo)

Front. . . . . . . . . . . . . . . . . . . . . . . .100 W + 100 W

(DIN 1 kHz, THD 1.0 %, 8

Ω)

• Rated power output

(surround / 20 Hz to 20 kHz, THD 0.06 %, 8 Ω)

Front. . . . . . . . . . . . . . . . . . . . . .95 W per channel

Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 W

Surround. . . . . . . . . . . . . . . . . .95 W per channel

• Rated power output

(surround / 1 kHz, THD 1.0 %, 8 Ω)

Front. . . . . . . . . . . . . . . . . . . . .130 W per channel

Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130 W

Surround. . . . . . . . . . . . . . . . .130 W per channel

Audio section

• Input (Sensitivity/Impedance)

AUX, CD, CD-R/TAPE/MD, DVD/BD,

TV/SAT, DVR/VCR. . . . . . . . . . . . . .335 mV/47 k

• Frequency response

AUX, CD, CD-R/TAPE/MD, DVD/BD,

TV/SAT, DVR/VCR. . . . . 5 Hz to 100 000 Hz dB

• Output (Level/Impedance)

CD-R/TAPE/MD, DVR/VCR . . . . . 335 mV/2.2 kΩ

• 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 DIN (Continuous rated power output / 50 mW)

AUX, CD, CD-R/TAPE/MD, DVD/BD,

TV/SAT, DVR/VCR. . . . . . . . . . . . . . . 88 dB/64 dB

Video Section

• Input (Sensitivity/Impedance)

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

• Output (Level/Impedance)

DVR/VCR, MONITOR OUT. . . . . . . . .1 Vp-p/75 Ω

• Frequency response

DVR/VCR, DVD/BD,

TV/SAT MONITOR . . . . . .5 Hz to 7 MHz dB

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

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

Component video section

• Input (Sensitivity/Impedance)

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

• Output (Level/Impedance)

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

• Frequency response

DVD/BD, TV/SAT, DVR/VCR

MONITOR . . .5 Hz to 40 MHz dB

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

HDMI Section

Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 pin x2

Output . . . . . . . . . . . . . . . . . . .19 pin (5 V, 55 mA)

FM Tuner Section

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

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

(1.3 µV/75 Ω)

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

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 Ω unbalanced

AM Tuner Section

Frequency Range . . . . . . . . .531 kHz to 1602 kHz

Sensitivity (IHF, Loop antenna) . . . . . . .350 µV/m

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

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

Miscellaneous

Power requirements

. . . . . . . . . . . . . . . AC 220 V to 230 V, 50 Hz/60 Hz

Power consumption . . . . . . . . . . . . . . . . . .290 W

In standby. . . . . . . . . . . . . . . . . . . . . . . . . 0.5 W

Dimensions

. . . . . 420 mm (W) x 158 mm (H) x 352.5 mm (D)

Weight (without package). . . . . . . . . . . . . . 8.1 kg

Furnished Parts

Microphone (for Auto MCACC setup) . . . . . . . . 1

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

Dry cell batteries (AA size IEC R6) . . . . . . . . . 2

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

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

Warranty card . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Operating instructions

Note

• Specifications and the design are subject to possible modifications without notice, due to improvements.

RECEIVER

INPUT SELECT

TV CTRL

SOURCE

TV DVR

AMFM

CD-R

PORTABLE

iPod USB

DVD

RECEIVER

RECEIVER CONTROL

TV CONTROL

PARAMET ER

T.EDIT

RETURNSETUP

GUIDE

PTY SEARCH

ENTER

TUNE

ST ST

MPX

DIMMER SLEEP

D.ACCESS

SIGNAL SEL

TV CH

INPUT

SELECT

RECEIVER

MULTI CONTROL

MASTER

VOLUME

ONE TOUCH

COPY

CH+CH

AUTO/DIRECT

PHASE

MUTE

ADV SURR

SOUND

RETRIEVER

STEREO/

A.L.C.

ACOUSTIC

CH SEL

STANDARD

DIALOG

LEVEL

REC

TV/DTV

AUDIO

SUBTITLE

DVD

REC STOP

HDD

TUNER DISP

CLASS

DISC

iPod CTRL

ENTER

INFO

SHIFT

TV VOL

MIDNIGHT

ANALOG ATT

EON

JUKEBOX

TOP MENU

Accessories

Remote control (VSX-918V-K : XXD3166) (VSX-918V-S : XXD3167) (VSX-818V-K : XXD3166) (VSX-818K-S : XXD3167)

AM loop antenna (ATB7013)

FM wire antenna (ADH7030)

AA size IEC R6 Dry cell batteries (x2)

Microphone (for Auto MCACC setup) (APM7008)

2. SPECIFICATIONS

2.1 SPECIFICATIONS

2 3 4

VSX-918V-K

Front panel

Illustration shows the VSX-918V model

1 STANDBY/ON

2 INPUT SELECTOR dial

Selects an input source.

3 Input select buttons

Selects an input source.

4 Digital Precision Processing indicator

(VSX-918V model only) Lights to indicate digital processing.

5 Character display

MCACC indicator

Lights when Acoustic Calibration EQ is on (Acoustic Calibration EQ is automatically set to ALL CH ADJUST after the Auto MCACC Setup or EQ Auto Setup).

7 MASTER VOLUME dial

AUDIO/VIDEO input

iPod DIRECT USB terminal

Use to connect your Apple iPod as an audio source, or connect a USB audio device for playback.

MASTER VOLUME

VSX-918V

STANDBY/ON

PHONES

DVD

DVRTV

VIDEO/PORTABLE

CD-R

iPod USB

SPEAKERS

VSB MODE

SIGNAL SELECT

SOUND

RETRIEVER

AUX

PHASE

CONTROL

INPUT

SELECTOR

ADVANCED SURROUND

STEREO /

A.L.C.

STANDARD

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

ACOUSTIC

PHASE

CONTROL

AUTO SURR /

STREAM DIRECT

MCACC

PORTABLE

iPod DIRECT

USB

AUDIO RLVIDEO

DIGITAL PRECISION

PROCESSING

ADVANCED

SURROUND

STEREO /

A.L.C.

STANDARD

ACOUSTIC

PHASE

CONTROL

AUTO SURR /

STREAM DIRECT

PHONES

SPEAKERS

VSB MODE

SIGNAL SELECT

SOUND

RETRIEVER

123 4 67

14 15 16 17

11 12 13

18 19

8 9

10 MCACC PORTABLE jack

Use to connect a microphone when performing Auto MCACC setup, or connect an auxiliary component using a stereo mini-jack cable.

11 PHONES jack

Use to connect headphones (when connected, there is no sound output from the speakers (except speaker system B connections)).

12 ST +/–

Use to select preset radio stations.

13 TUNE +/–

Used to find radio frequencies.

14 SOUND RETRIEVER

Press to restore CD quality sound to compressed audio sources.

15 VSB MODE

Press to switch on/off Virtual Surround Back (VSB) mode.

16 SPEAKERS

Use to change the speaker system and the impedance setting.

17 SIGNAL SELECT

Selects an input signal.

6 7 8

2.2 PANEL FACILITIES

VSX-918V-K

6 7 8

VSX-918V

18 PHASE CONTROL

Press to switch on/off Phase Control.

19 ACOUSTIC EQ

Press to select an Acoustic Calibration EQ setting.

20 Listening mode buttons

AUTO SURR/STREAM DIRECT

Switches between Auto surround mode (Auto playback on) and Stream Direct playback. Stream Direct playback bypasses the tone controls for the most accurate reproduction of a source.

STEREO/A.L.C.

Switches between stereo playback, Auto level control stereo mode and Front Stage Surround Advance modes.

STANDARD

Press for Standard decoding and to switch between the various ∂ Pro Logic II options.

ADVANCED SURROUND

Switches between the various surround modes.

HDMI

AUX

OUT

DVD / BD

TV /

SAT

FRONT DVD5.1

CH INPUT

DVR /

VCR

DVR /

VCR IN

TV /

SAT IN

DVD /

BD IN

LOOP

OUT

DIGITAL IN

CEN TER

SUB WOOFER

SURROUND

DVD 5.1CH INPUT

COMPONENT VIDEO

OPT

FRONT

SURROUND

CENTER

RRLLL

FM UNBAL

CONTROL

ANTENNA

DVR /

VCR OUT

MONITOR OUT

AUDIO VIDEO

OUT

DIGITAL IN

COAX

(DVD

BD)

CD-R /

TAPE

(

ASSIGNABLE

)

(

ASSIGNABLE

)

S P E A K E R S

SUB WOOFER

PREOUT

PBP

MONITOR OUT

(

ASSIGNABLE

)

PBP

(

DVD

BD) IN

(

SAT) IN

OUT

(

SAT

)

(CD)

(

DVD

BD) IN

(

DVR

VCR) IN

(

SAT) IN

(

ASSIGNABLE

)

( SUB WOOFER

PREOUT

(

SUB WOOFER PREOUT

2 3 4

VSX-918V-K

Display

1 SIGNAL indicators

Lights to indicate the type of input signal:

AUTO Lights when AUTO signal select is on.

DIGITAL

Lights when a digital audio signal is detected.

∂ DIGITAL

Lights when a Dolby Digital encoded signal is detected.

L C R

[] [] []

[]

125

250 4K13

SPAB

01987654321

1615 17 1814 19 20

EON R

ANALOG

Lights when an analog signal is detected.

DTS

Lights when a source with DTS encoded audio signals is detected.

Lights to indicate decoding of a DTS multichannel signal.

∂ DIGITAL

Lights to indicate decoding of a Dolby Digital multichannel signal.

4 ∂ PRO LOGIC II

Lights to indicate Pro Logic II decoding.

5 VIR. SB

Lights during Virtual surround back processing.

6 DIRECT

Lights when source Stream Direct playback is in use. Direct playback bypasses the tone controls for the most accurate reproduction of a source.

7 AUTO SURR.

Lights when the Auto Surround feature is switched on

8 ATT

Lights when ANALOG ATTis used to attenuate (reduce) the level of the analog input signal.

9 SLEEP

Lights when the sleep mode is active.

10 Tuner indicators

/ MONO Lights when the mono mode is set using the MPX button.

/ STEREO Lights when a stereo FM broadcast is being received in auto stereo mode.

/ TUNED

Lights when a broadcast is being received.

11 EON/RDS indicators

EON

Lights when the EON mode is set, and flashes during an EON broadcast. The indicator lights when the current station carries the EON service.

RDS

Lights when an RDS broadcast is received.

12 Speaker indicators

Lights to indicate the current speaker system,

A and/or B.

13Character display

ADV.SURR. (Advanced Surround)

Lights when one of the Advanced Surround modes has been selected.

15 WMA9 Pro

Lights to indicate decoding of a WMA9 Pro signal.

16 MIDNIGHT

Lights during Midnight listening.

17 D.E.

Lights when Dialog Enhancement is switched on.

18 LOUDNESS

Lights during Loudness listening.

19Master volume level

Shows the overall volume level.

20 MCACC channel EQ / Sound Retriever / HDMI indicators

These indicators show the EQ balance for each channel in

Checking your Acoustic Calibration

EQ settings

. Also, L and R light

when the Sound Retriever is active.

In addition, the HDMI connection state is displayed as shown below.

Blinks when connecting an HDMI-equipped component: lights when the component is connected.

L C R

[] [] []

[]

HDMI indicator

6 7 8

VSX-918V-K

Remote control

Illustration shows the VSX-918V model

1 INPUT SELECT Use to select the input source (use SHIFT for INPUT SELECT ).

2 RECEIVER

Switches the receiver between standby and on.

3 MULTI CONTROL buttons

Press to select control of other components.

TV CTRL, PORTABLE and CD-R buttons can be

used with

SHIFT button.

4 RECEIVER CONTROL buttons

AUTO/DIRECT

Switches between Auto surround mode (Auto playback on) and Stream Direct playback. Direct playback bypasses the tone controls for the most accurate reproduction of a source.

STEREO/A.L.C.

Switches between stereo playback, Auto level control stereo mode and Front Stage Surround Advance modes.

STANDARD

Press for Standard decoding and to switch between ∂ Pro Logic II options.

ADV SURR

Switches between the various surround modes.

PHASE

Press to switch on/off Phase Control.

ACOUSTIC EQ

Press to select an Acoustic Calibration EQ setting.

DIALOG

Use to make dialog stand out when watching TV or a movie.

SOUND RETRIEVER

Press to restore CD quality sound to compressed audio sources.

MUTE

Mutes/unmutes the sound.

CH SEL

Press repeatedly to select a channel, then use LEVEL +/–to adjust the level.

RECEIVER

INPUT SELECT

TV CTRL

SOURCE

TV DVR

AMFM

CD-R

PORTABLE

iPod USB

DVD

RECEIVER

RECEIVER CONTROL

TV CONTROL

AV PARAMETER

T.EDIT MENU

RETURNSETUP

GUIDE

PTY SEARCH

ENTER

TUNE

ST ST

MPX

DIMMER SLEEP

D.ACCESS

SIGNAL SEL

TV CH

INPUT

SELECT

RECEIVER

MULTI CONTROL

MASTER VOLUME

ONE TOUCH

COPY

AUTO/ DIRECT

PHASE

MUTE

ADV SURR

SOUND

RETRIEVER

STEREO/

A.L.C.

ACOUSTIC

CH SEL

STANDARD

DIALOG

LEVEL

REC

TV/DTV

AUDIO

SUBTITLE

DVD

REC STOP

HDD

TUNER DISP

CLASS

DISC

iPod CTRL

ENTER

INFO

SHIFT

TV VOL

MIDNIGHT

ANALOG ATT

EON

JUKEBOX

TOP MENU

LEVEL +/–

Use to adjust the channel levels.

MASTER VOLUME +/–

Use to set the listening volume.

5 System Setup and Component control buttons

The following button controls can be accessed after you have selected the corresponding

MULTI CONTROL button (DVD,DVR, RECEIVER, etc.).

AV PARAMETER

Use to access the AV options.

TOP MENU

Displays the disc ‘top’ menu of a DVD.

ONE TOUCH COPY*

Copies the currently playing title from DVD to HDD or vice-versa.

GUIDE

Displays/changes the subtitles on multilingual DVDs.

PTY SEARCH

Use to search for RDS program types.

SETUP

Press to access the System Setup menu. Also functions as the SETUP button for DVD/DVR units.

2 3 4

VSX-918V-K

2 3 4

8 Number buttons and other component controls

Use the number buttons to directly select a radio frequency or the tracks on a CD, DVD, etc. There are other buttons that can be accessed after the RECEIVER button is pressed. (For example MIDNIGHT, etc.)

TUNER DISP*

Switches between named station presets and radio frequencies.

CLASS*

Switches between the three banks (classes) of radio station presets.

MPX*

Switches between stereo and mono reception of FM broadcasts. If the signal is weak then switching to mono will improve the sound quality.

D.ACCESS*

After pressing, you can access a radio station directly using the number buttons.

MIDNIGHT

Switches to Midnight or Loudness listening.

ANALOG ATT

Attenuates (lowers) the level of an analog input signal to prevent distortion.

DIMMER

Dims or brightens the display.

SLEEP

Press to change the amount of time before the receiver switches into standby (30 min – 60 min – 90 min – Off). You can check the remaining sleep time at any time by pressingSLEEP once.

SIGNAL SEL

Use to select an input signal.

SR + (VSX-918V model only) Switches the SR+ mode on/off.

EON*

Use to search for programs that are broadcasting traffic or news information.

iPod CTRL

Switches between the iPod controls and the receiver controls.

DISC (ENTER)

Use to enter commands for TV or DTV, and also use to select a disc in a multi-CD player.

9 INFO

Use to bring up information screens on a digital TV.

10 SHIFT

Press to access the ‘boxed’ commands (above the buttons) on the remote. These buttons are marked with an asterisk (* ) in this section.

11 Remote control LED

Lights when a command is sent from the remote control.

SOURCE

Press to turn on/off other components connected to the receiver.

13 RECEIVER

Switches the remote to control the receiver (used to select the green commands above the number buttons (SETUP, etc)). Also use this button to set up surround sound.

T.EDIT

Memorizes/names stations for recall.

Displays the disc menu of DVD-Video discs.

RETURN

Confirm and exit the current menu screen.

CH +/–*

Use to select channels for DVD/DVR units.

6 (TUNE , ST ), ENTER

Use the arrow buttons when setting up your surround sound system. Also used to control DVD menus/options.

Use the TUNE buttons can be used to find radio frequencies and the ST

buttons can be used to select preset radio

stations.

7 Component control buttons

The main buttons ( , , etc.) are used to control a component after you have selected it using the MULTI CONTROL buttons.

The controls above these buttons can be accessed after you have selected the corresponding MULTI CONTROL button (for example DVD,DVRorTV(when connected to a DTV)).

SUBTITLE*

Displays/changes the subtitles included in multilingual DVD-Video discs.

REC*

Start recording.

AUDIO*

Changes the audio language or channel on DVD discs.

HDD*, DVD*

These buttons switch between the hard disk and DVD controls for HDD/DVD recorders.

REC STOP*

Stops recording.

JUKEBOX*

Switches to the Jukebox feature.

TV/DTV

Switches between the analog TV and DTV input modes for Pioneer flat screen TVs.

14 TV CONTROL buttons

These buttons are dedicated to control the TV assigned to the TV CTRL button. Thus if you only have one TV to hook up to this system assign it to the TV CTRL MULTI CONTROL button. If you have two TVs, assign the main TV to the TV CTRLbutton.

Use to turn on/off the power of the TV.

INPUT SELECT

Use to select the TV input signal.

TV CH +/–

Use to select channels.

TV VOL +/–

Use to adjust the volume on your TV.

6 7 8

VSX-918V-K

6 7 8

• SR+ mini-plug cable (ADE7095)

SERVICE PARTS

Note

1 This receiver is compatible with all Pioneer flat screen TVs from 2003 onward.

Using this receiver with a Pioneer flat screen TV

(VSX-918V model only)

If you have a Pioneer flat screen TV , you can

use an SR+ cable to connect it to this unit and take advantage of various convenient features, such as automatic video input switching of the flat screen TV when the input is changed.

HDMI

AUX

OUT

DVD / BD

TV /

SAT

FRONT DVD5.1

CH INPUT

DVR /

VCR

DVR /

VCR IN

TV /

SAT IN

DVD /

BD IN

LOOP

OUT

FM UNBAL

CONTROL

ANTENNA

DVR /

VCR OUT

MONITOR OUT

AUDIO VIDEO

OUT

DIGITAL IN

COAX

(DVD

BD)

CD-R /

TAPE

(

ASSIGNABLE

)

SUB WOOFER PREOUT

(

DVD

BD) IN

(

SAT) IN

OUT

(

ASSIGNABLE

)

OUT

CONTROL

Pioneer flat screen TV

VSX-918V

• Use a 3-ringed miniplug SR+ cable to

connect the CONTROL IN jack of this receiver with the CONTROL OUT of your flat screen TV.

Before you can use the extra SR+ features, you need to make a few settings in the receiver.

To make the most of the SR+ features, you should connect your source components (DVD player, etc.) in a slightly different way to that described in this chapter. For each component, connect the video output directly to the flat screen TV, and just connect the audio (analog and/or digital) to this receiver.

Using the SR+ mode with a Pioneer flat screen TV

When connected using an SR+ cable, a number of features become available to make using this receiver with your Pioneer flat screen TV even easier. These features include:

• On-screen volume display.

• On-screen display of listening mode.

• Automatic video input switching on the flat screen TV.

• Automatic volume muting on the flat screen TV.

1 Make sure that the flat screen TV and this receiver are switched on and that they are connected with the SR+ cable.

2 To switch SR+ mode on/off, press

RECEIVER, then the SR+ button.

The front panel display shows SR+ ONorOFF.

Note

1• The 3-ringed SR+ cable from Pioneer is commercially available under the part number ADE7095. Contact the Pioneer

Customer Support division for more information on obtaining an SR+ cable (you can also use a commercially available 3ringed mini phone plug for the connection).

• If you connect to a Pioneer flat screen TV using an SR+ cable, you will need to point the remote control at the flat screen TV remote sensor to control the receiver. In this case, you won’t be able to control the receiver using the remote control if you switch the

flat screen TV

off.

DVD player

VSX-918V

Pioneer flat screen TV

Satellite receiver, etc

VIDEO

INPUT 1

VIDEO

INPUT 2

TV/SAT

AUDIO IN

DVD/BD

AUDIO IN

MASTER VOLUME

VSX-918V

STANDBY/ON

PHONES

RVDDVDTV

VIDEO/PORTABLE

CD-R

iPod USB

SPEAKERS

VSB MODE

SIGNAL SELECT

SOUND

RETRIEVER

AM AUX

PHASE

CONTROL

INPUT

SELECTOR

ADVANCED SURROUND

STEREO / A.L.C.

STANDARD

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

ACOUSTICEQPHASE

CONTROL

AUTO SURR / STREAM DIRECT

MCACC

PORTABLE

iPod DIRECT

USBAUDIORL

VIDEO

DIGITAL PRECISION

PROCESSING

2 The automatic volume muting feature is enabled separately.

TV CONTROL

MPX

DIMMER SLEEP

D.ACCESS

SIGNAL SEL

iPod CTRL

TV CH

INPUT

SELECT

TUNER DISP

CLASS

DISC

ENTER

INFO

SHIFT

TV VOL

MIDNIGHT

ANALOG ATT

EON

RECEIVER

INPUT SELECT

TV CTRL

SOURCE

TV DVR

AMFM

CD-R

PORTABLE

iPod USB

DVD

MULTI CONTROL

RECEIVER

2 3 4

VSX-918V-K

To keep the product quality after servicing, confirm recommended check points shown below.

No.

Procedure Check points

Confirm whether the customer complain has been solved. If the customer complain occurs with the particular source, such as Dolby Digital, DTS, AAC, DVD-A and HDMI, input it for the operation check.

The customer complain must not be reappeared. Video, Audio and operations must be normal.

Check the analog audio playback. (Make the analog connections with a DVD player.)

Each channel audio and operations must be normal.

Check the digital audio playback. (Make the digital connections with a DVD player.)

Each channel audio and operations must be normal.

Check surround playback. (Select Surround mode and check the multichannel operations via the DSP circuit.)

Each channel audio and operations must be normal.

Check the video outputs. (Connect with a DVD player.)

Video and operations must be normal.

Check the sound from headphone output. Sound must be normal, without noise.

Check the appearance of the product. No scratches or dirt on its appearance after receiving

it for service.

See the table below for the items to be checked regarding video and audio:

Items to be checked regarding video Item to be checked regarding audio

Block noise Distortion Horizontal noise Noise Dot noise Volume too low Disturbed image (video jumpiness) Volume too high Too dark Volume fluctuating Too bright Sound interrupted Mottled color

Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools:

CLEANING

Position to be cleaned Cleaning tools

Fans Cleaning paper : GED-008

Name Jig No. Remarks

13P board to board extension jig

cable

GGD1483

Diagonosis

21P board to board extension jig

cable

GGD1485

Diagonosis

Jigs list

6 7 8

3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

3.2 JIGS LIST

6 7 8

VSX-918V-K

FRONT DISPLAY

ASSY

FRONT VIDEO ASSY

ROTARY ENCODER ASSY

FRONT IN ASSY

MAIN ASSY

REGULATOR ASSY

POWER PACK ASSY

HDMI&DSP &USB ASSY

POWER KEY

ASSY

TRANS 3

ASSY

BIND

ASSY

PRIMARY

ASSY

TRANS 2

ASSY

HEADPHONE

ASSY

FM/AM TUNER UNIT

VIDEO ASSY

DIGITAL INPUT ASSY

5.1CH INPUT ASSY

COMPONENT VIDEO ASSY

1..HDMI&DSP&USB ASSY AWX8977

NSP 1..COMPLEX ASSY XWK3341

2..FRONT DISPLAY ASSY XWZ4285

2..ROTARY ENCODER ASSY XWZ4286

2..POWER KEY ASSY XWZ4288

2..JOG ASSY XWZ4289

2..VIDEO ASSY XWZ4294

2..DIGITAL INPUT ASSY XWZ4299

2..FRONT VIDEO ASSY XWZ4300

2..PRIMARY ASSY XWZ4302

2..REGULATOR ASSY XWZ4317

2..HEADPHONE ASSY XWZ4321

NSP 1..AMP ASSY XWK3349

2..POWER PACK ASSY XWZ4326

2..TRANS 2 ASSY XWZ4335

2..TRANS 3 ASSY XWZ4337

2..COMPONENT VIDEO ASSY XWZ4339

2..5.1CH INPUT ASSY XWZ4341

2..BIND ASSY XWZ4344

1..MAIN ASSY XWK3363

1..FRONT IN ASSY XWK3366

1..FM/AM TUNER UNIT AXX7170

Mark No. Description Part No. Mark No. Description Part No.

LIST OF ASSEMBLIES

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.

JOG ASSY

VSX-918V

3.3 PCB LOCATIONS

2 3 4

VSX-918V-K

2 3 4

FRONT DISPLAY

ASSY

FRONT VIDEO ASSY

ROTARY ENCODER ASSY

FRONT IN ASSY

MAIN ASSY

REGULATOR ASSY

POWER PACK ASSY

HDMI ASSY

DSP&USB ASSY

POWER KEY

ASSY

TRANS 3

ASSY

BIND

ASSY

PRIMARY

ASSY

TRANS 2

ASSY

HEADPHONE

ASSY

FM/AM TUNER UNIT

VIDEO ASSY

DIGITAL INPUT ASSY

5.1CH INPUT ASSY

COMPONENT VIDEO ASSY

1..HDMI ASSY AWX8966

1..DSP&USB ASSY AWX9164

NSP 1..COMPLEX ASSY XWK3336

2..FRONT DISPLAY ASSY XWZ4284

2..ROTARY ENCODER ASSY XWZ4286

2..POWER KEY ASSY XWZ4287

2..JOG ASSY XWZ4289

2..VIDEO ASSY XWZ4292

2..DIGITAL INPUT ASSY XWZ4299

2..FRONT VIDEO ASSY XWZ4300

2..PRIMARY ASSY XWZ4302

2..REGULATOR ASSY XWZ4317

2..HEADPHONE ASSY XWZ4321

NSP 1..AMP ASSY XWK3349

2..POWER PACK ASSY XWZ4326

2..TRANS 2 ASSY XWZ4335

2..TRANS 3 ASSY XWZ4337

2..COMPONENT VIDEO ASSY XWZ4339

2..5.1CH INPUT ASSY XWZ4341

2..BIND ASSY XWZ4344

1..MAIN ASSY XWK3359

1..FRONT IN ASSY XWK3366

1..FM/AM TUNER UNIT AXX7170

Mark No. Description Part No. Mark No. Description Part No.

LIST OF ASSEMBLIES

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.

JOG ASSY

VSX-818V

6 7 8

VSX-918V-K

6 7 8

5/280

35/320

9/100

4/300

19/170

7/190

11/120

11/200

3/300

1912

XDD3248

CN5

CN805

CN1

13 21

CN816

CN111

CN2

CN806

CN815

CN109

CN704

CN110

XDD3249

CN3

1917

CN122

CN112

CN401

CN101CN107

XDD3247

1906

XDX3063

1904

3/350

1902

CN956

CN953

CN951

17/110

CN901

1905

1908

CN105

CN129

XDD3253

CN803

CN302

CN1903

CN103

1911

1919

XDD3189

XDD3235

CN303

CN310

CN354

CN307

CN701

CN252

810

XDX3066

J43

CN702

CN251

CN800

2/500 XDX3054

511

J42

5/125

D15A05-125-2651

XDD3200

XDX3064

CN401

404

J22

E.g. 7/140

140: Insulation length (mm)

7: Number of contacts (pin)

WIRE INDICATION

XXM3012

FAN

A 1/3 - A 3/3

FRONT DISPLAY ASSY (VSX-918V:XWZ4285)

DIGITAL INPUT ASSY (XWZ4299)

5.1CH INPUT ASSY (XWZ4341)

MAIN ASSY

(VSX-918V : XWK3363)

VIDEO ASSY (VSX-918V : XWZ4294)

POWER PACK ASSY (XWZ4326)

REGULATOR ASSY (XWZ4317)

FRONT IN ASSY (XWK3366)

HDMI&DSP&USB ASSY

(VSX-918V:AWX8977)

C 1/2 -

C 2/2

ROTARY ENCODER ASSY (XWZ4286)

FRONT VIDEO ASSY (XWZ4300)

FM/AM TUNER

UNIT (AXX7170)

(Note : No schematic diagram)

V 1/5 - V 5/5

2 3 4

4. BLOCK BIAGRAM

4.1 OVERALL WIRING CONNECTION DIAGRAM (VSX-918V)

2 3 4

VSX-918V-K

6/400

EXCEPT /SP,SF MODEL

AC CORD

CN551

FU1

CN51

PRIMARY

J21

11/300

D20PYY1130E

D20PYY0410E

4/100

J52

CN1201

851

XDX3065

J47

891

J7 J3 J4 J6

1551

470

D15A03-100-2651

471

J44

3/100

512

3/100

J41

501

1.5mm FLAT CABLE

2.0mm CABLE CONNECTOR

2.0mm FLAT CABLE

1.25mm REVERSE FFC

1.25mm FFC

2.0mm CABLE HOLDER

1.5mm CABLE HOLDER

1.25mm FFC CONNECTOR

EH CONNECTOR

B*B-EH

B*B-PH-K-S PH CONNECTOR

1.0mm FFC

1.25mm FFC CONNECTOR(L)

1.0mm FFC CONNECTOR

BOARD IN

AC CODE CONNECTOR

AC CODE SOCKET

1.25mm BOARD to BOARD SOCKET

1.25mm BOARD to BOARD PLUG

2.0mm BOARD to BOARD PLUG

2.0mm BOARD to BOARD SOCKET

MAIN TRANS

ZWNH1672G22-6-21J

Y1 (N)

Y2 (L)

Y6 (L)

ZWNH1672G 22-4-15J

BROWN

BLUE

ZWNH1672G22-1-22J

230V,50Hz

YELLOW

120V

BROWN

YELLOW

42365 1

YELLOW

BLUE

110V

Y4 Y3 Y5Y7 Y8

10V

MAIN TRANS

COMPONENT VIDEO ASSY

(XWZ4339)

TRANS2 ASSY (XWZ4335)

(XWZ4302)

PRIMARY ASSY

TRANS3 ASSY (XWZ4337)

POWER KEY ASSY (VSX-918V:XWZ4288)

JOG ASSY (XWZ4289)

HEAD PHONE ASSY (XWZ4321)

When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS

LIST" or "PCB 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.

: The power supply is shown with the marked box.

6 7 8

VSX-918V-K

XDD3256

1910

5/280

27/320

5/60

7/190

9/100

4/300

17/110

7/190

13/170

11/120

11/200

3/300

XDD3248

1912

CN5

13 21

CN816

CN1

CN815

CN805

CN111

CN109

CN704

CN806

CN2

CN110

CN401

CN6

1931

XDD3271

CN8

CN112

CN1002

CN1001

1909

XDD3255

CN104

CN107 CN101 CN108

CN122

XDD3247

1906

XDX3063

1904

3/350

1902

CN956

CN953

CN951

1905

CN901

XDD3259

1907

CN130

CN105

CN803

CN302

CN1903

1911

XDD3189

XDD3235

1919

CN103

CN310

CN304

CN354

CN307

CN701

CN252

810

XDX3066

J43

CN702

CN251

CN800

2/500

XDX3054

511

J42

5/125

D15A05-125-2651

XDD3200

XDX3064

CN401

404

J22

E.g. 7/140

140: Insulation length (mm)

7: Number of contacts (pin)

WIRE INDICATION

XXM3012

FAN

A 1/3 - A 3/3

FRONT DISPLAY ASSY (VSX-818V:XWZ4284)

DIGITAL INPUT ASSY (XWZ4299)

5.1CH INPUT ASSY (XWZ4341)

MAIN ASSY

(VSX-818V : XWK3359)

VIDEO ASSY (VSX-818V : XWZ4292)

POWER PACK ASSY (XWZ4326)

REGULATOR ASSY (XWZ4317)

FRONT IN ASSY (XWK3366)

DSP&USB ASSY (VSX-818V : AWX9164)

HDMI ASSY

B 1/4 - B 4/4

C 1/2 -

C 2/2

ROTARY ENCODER ASSY (XWZ4286)

FRONT VIDEO ASSY (XWZ4300)

(AWX8966)

FM/AM TUNER

UNIT (AXX7170)

(Note : No schematic diagram)

(No schematic diagram)

2 3 4

4.2 OVERALL WIRING CONNECTION DIAGRAM (VSX-818V)

2 3 4

VSX-918V-K

6/400

AC CORD

CN551

FU1

CN51

J21

11/300

D20PYY1130E

D20PYY0410E

4/100

J52

851

XDX3065

J47

891

J7 J5 J3 J4 J6

1551

470

D15A03-100-2651

471

J44

3/100

512

3/100

J41

501

CN1201

1.5mm FLAT CABLE

2.0mm CABLE CONNECTOR

2.0mm FLAT CABLE

1.25mm REVERSE FFC

1.25mm FFC

2.0mm CABLE HOLDER

1.5mm CABLE HOLDER

1.25mm FFC CONNECTOR

EH CONNECTOR

B*B-EH

B*B-PH-K-S PH CONNECTOR

1.0mm FFC

1.25mm FFC CONNECTOR(L)

1.0mm FFC CONNECTOR

BOARD IN

AC CODE CONNECTOR

AC CODE SOCKET

1.25mm BOARD to BOARD SOCKET

1.25mm BOARD to BOARD PLUG

2.0mm BOARD to BOARD PLUG

2.0mm BOARD to BOARD SOCKET

MAIN TRANS

ZWNH1672G22-6-21J

Y1 (N)

Y2 (L)

Y6 (L)

ZWNH1672G22-1-22J

ZWNH1672G 22-4-15J

BROWN

BLUE

230V,50Hz

YELLOW

120V

BROWN

723654 1

YELLOW

BLUE

Y7 Y8

10V

110V

Y4 Y3 Y50VY1

COMPONENT VIDEO ASSY

(XWZ4339)

TRANS2 ASSY (XWZ4335)

(XWZ4302)

PRIMARY ASSY

TRANS3 ASSY (XWZ4337)

POWER KEY ASSY (VSX-818V:XWZ4287)

JOG ASSY (XWZ4289)

HEAD PHONE ASSY (XWZ4321)

When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS

LIST" or "PCB 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.

: The power supply is shown with the marked box.

6 7 8

VSX-918V-K

HDMI REPEATER

To DSP section

To Sys uCom

CN307 CN105

SL/SR

HDMI

IN1

HDMI

IN2

HDMI

OUT

OPT2

OPT1

SERIAL ROM

HDMI

BLOCK

PDC173A8

AWX9162 : /KU AWX8977 : (Others)

COAX1

USB A-TYPE

TELECHIPS

USB

AK4114VQ

74VHC157

(DIR)

CD-R OUT

VCR/DVR OUT

(ADC)

(for DECODE)

LPF

DSP IC

DSPC56371AF180

IC104

(SW)

NJM4565

(C)

IC103

IC104

(SL/SR)

(DAC)

(CODEC)

AK4626AVQ

IC105

(FL/FR)

FRONT AUDIO IN

VIDEO(Front)

DVD/LD

CD-R/TAPE

TV/SAT

L/R

AUX

VCR/DVR

L/R

MODULE

TUNER

L/R

MIC

L/R

(For Setup)

BLOCK DIAGRAM FOR VSX-918V

LIP SYNC

ML87V5002

74VHC157

IC611

CXB1444R

(HDMI

CABLE

EQ SW)

IC651

SiI9013CLU

(HDMI

RECEIVER)

IC801

PEG118A

(HDMI uCom)

IC861

FLASH

ROM

IC701

SiI9134CTU

(HDMI

TRANSMITTER)

(DRIVER)

NJM2581M

6dB

IC553

OUT

COMPONENT

TC74HC4052AF

6dB

COMPONENT3

Cr3

Cr2

Cr1

Cr Cb

Cb2

Cb1

Cb3

COMPONENT2

TC74HC4052AF

IC552

(COMPO SEL)

COMPONENT1

IC551

(COMPO SEL)

CN2CN109

CN5CN1903

HDMI & DSP & USB ASSY

1/2

HDMI & DSP & USB ASSY

2/2

MAIN ASSY

COMPONENT VIDEO ASSY

5.1CH INPUT ASSY

DIGITAL INPUT ASSY

2 3 4

4.3 BLOCK DIAGRAM (VSX-918V)

VSX-918V-K

2 3 4

GND

CN111 CN302

SW2

SW1

FUNCTION SELECTOR

(SL/SR)

A. MUTE

(C)

A. MUTE

Q303

SW PREOUT

RY50 1

SP B L/R

Q631

30dB

RY75 3

SL/SR

Ton e

9.5dB

(FL/FR)

EVOL/SELECTOR

IC108

BD3474KS2

CN110 CN704

CN702

: AUDIO SIGNAL FLOW

: VIDEO SIGNAL FLOW

Q601

30dB

IC601 (1/2) IC603 (2/3)

RY75 1

RY75 2

FL/FR

A. MUTE

Q1551

1551

VIDEO (Front)

CN901 CN301

9.5dB

GND

A. MUTE

Q651

30dB

IC601 (2/2) IC603 (3/3)

IC603 (1/3)

POWER PACK ASSY

DVR REC

MONITOR

TV/SAT

DVD/LD

CN310

DVR

(COMPOSITE SEL)

NJM2595M

IC301

OSD

IC302

NJM2243M

(VIDEO/OSD SEL)

IC851

(PDC132A)

VIDEO ASSY

HEAD PHONE ASSY

POWER PACK ASSY

6 7 8

VSX-918V-K

6 7 8

CN307

CN2CN109

CN105

SL/SR

HDMI

IN1

HDMI

IN2

HDMI

OUT

OPT2

OPT1

SERIAL ROM

IC101

CXB1444R

(HDMI SW)

IC102

TC7MB3253FK

(DDC SW)

CN1001

Main uCom

PDC172A8

AWX9163 : /KU AWX9164 : /MY AWX8979 : (Others)

COAX1

USB A-TYPE

TELECHIPS

USB

AK4114VQ

74VHC157

(DIR)

CD-R OUT

VCR/DVR OUT

(ADC)

(for DECODE)

LPF

DSP IC

DSPC56371AF180

IC104

(SW)

NJM4565

(C)

IC103

IC104

(SL/SR)

(DAC)

(CODEC)

AK4626AVQ

IC105

(FL/FR)

FRONT AUDIO IN

VIDEO(Front)

DVD/LD

CD-R/TAPE

TV/SAT

L/R

AUX

VCR/DVR

L/R

MODULE

TUNER

L/R

MIC

L/R

(For Setup)

BLOCK DIAGRAM FOR VSX-818V

LIP SYNC

ML87V5002

(DRIVER)

NJM2581M

6dB

IC553

OUT

COMPONENT

TC74HC4052AF

6dB

COMPONENT3

Cr3

Cr2

Cr1

Cr Cb

Cb2

Cb1

Cb3

COMPONENT2

TC74HC4052AF

IC552

(COMPO SEL)

COMPONENT1

IC551

(COMPO SEL)

CN5CN1903

DSP & USB ASSY

HDMI ASSY

MAIN ASSY

COMPONENT VIDEO ASSY

5.1CH INPUT ASSY

DIGITAL INPUT ASSY

2 3 4

4.4 BLOCK DIAGRAM (VSX-818V)

VSX-918V-K

2 3 4

GND

CN111 CN302

SW2

SW1

FUNCTION

SELECTOR

(SL/SR)

A. MUTE

(C)

A. MUTE

Q303

SW PREOUT

RY50 1

SP B L/R

Q631

30dB

RY75 3

SL/SR

Ton e

9.5dB

(FL/FR)

EVOL/SELECTOR

IC108

BD3474KS2

CN110 CN704

CN702

: AUDIO SIGNAL FLOW

: VIDEO SIGNAL FLOW

Q601

30dB

IC601 (1/2) IC603 (2/3)

RY75 1

RY75 2

FL/FR

A. MUTE

Q1551

1551

VIDEO (Front)

CN901 CN301

9.5dB

GND

A. MUTE

Q651

30dB

IC601 (2/2) IC603 (3/3)

IC603 (1/3)

POWER PACK ASSY

DVR REC

MONITOR

TV/SAT

DVD/LD

CN310

DVR

(COMPOSITE SEL)

NJM2595M

IC301

OSD

IC302

NJM2243M

(VIDEO/OSD SEL)

IC851

(PDC132A)

VIDEO ASSY

HEAD PHONE ASSY

POWER PACK ASSY

6 7 8

VSX-918V-K

6 7 8

Block Diagram (DSP portion)

DIR

AK4114VQ

IC101

CODEC

AK4626AVQ

SDTO LRCK,BCLK OUT

DSP

DSPC56371AF180

LRCK,BCLK IN SDTI MCLK

SDTI

TC7WH125

SERIAL ROM

5 3

LEVEL

SHIFTER

3 5

LEVEL

SHIFTER

XMDT

BU9450KV

I2S

Lip Sync

ML87V5002

TC74VHC08

(1/4, 2/4)

TC74VHC08 (3/4)

TC74VHC08 (4/4) (ODD)

except KUXJ

AWX8977 AWX8979 AWX9164

Telechips

USB

Block

SPDIF

(RX6)

Analog 6ch OUT

COAX in(1)

SPDIF in(2)

SPDIF

VSX-918V only AWX9162,AWX8977

Analog 2ch in

24.576MHz

Control in

Control out

PQ1LAX95MSPQ PQ1LAX95MSPQ

1.25V 3.3V D5V

A5V

TC7WHU04

XM in

HDMI Block

TC74VHC157

/KUXJ only AWX9162,AWX9163

VSX-818V only

AWX8979 AWX9163 AWX9164

AWX8977 AWX9162 AWX9164

only

AWX8979 AWX9163

only

PDC172A8

VSX-818V only

AWX9163 AWX9164 AWX8979

PDC173A8

VSX-918V only

AWX9162 AWX8977

IC301

IC261

IC191

IC201

IC251

IC331

IC341, IC351

IC121

IC161 IC171

JA121

IC202

IC191

IC271

X261

IC2

IC3

B V

HDMI&DSP&USB ASSY (VSX-918V:AWX8977)

DSP&USB ASSY (VSX-818V : AWX9164)

4.5 DSP BLOCK DIAGRAM

2 3 4

VSX-918V-K

2 3 4

VSX-918V HDMI&DSP&USB ASSY HDMI Block Diagram

IC632

IC631

EDID

IC651

HDMI RECEIVER

DDC

TMDS

HPD

IC701

HDMI TRANSMITTER

HSYNC, VSYNC, DE

DCK

D[0-23]

MCLK SCK

IC861

FLASH ROM

IC801

HDMI ucom

CSCL CSDA

JA601

JA602

JA701

HDMI IN1

HDMI IN2

HDMI OUT

Main ucom I/F

28.322 MHz

LDO

DC /DC

LDO

3.3V

1.8V

IC91

IC61

IC71

DDC

TMDS

HPD

IC611

HDMI CABLE EQ SW

DDC

TMDS

HPD

DDC

TMDS

SEL

SD[0-3] SPDIF

to DSP part

HPD_SINK

LDO

3.3V

IC891

IC101

CXB1444R

HDMI SW

DDC

HPD

TMDS

JA101

JA102

JA301

CN1001

HDMI IN1

HDMI IN2

HDMI OUT

Main ucom I/F

VSX-818V HDMI ASSY(Pass through SW) Block Diagram

IC102

TC7MB 3253FK

DDC SW

CN1002

SELB

HPD_IN

HPD_S

SELA

Power Supply

DDC

HPD

TMDS

HPD

TMDS

DDC

DDC SW

LDO

3.3V

IC901

IC911

HDMI&DSP&USB ASSY (VSX-918V)

HDMI ASSY (VSX-818V)

4.6 HDMI BLOCK DIAGRAM

6 7 8

VSX-918V-K

6 7 8

CN401

CN2

BUS Power cnt.

CTL

USB POWER

XFLAG

Protection flag

CN3

IC461

64M

SDRAM

IC401

USB Host

TCC8600

IC481 Apple

Certification IC

X’tal

12 MHz

D+

CP_RDY

S/PDIF

XRST

USB_DAI

USB_DAO

DSP part

V3.3D

V5USB

V5 Receiver

+5V

V+3DU

D-

CP_DATA

CP_CK

V1.8D

I/O

Internal Core

IC462

16M

FLASH ROM

V+3DU

IC471 LOAD

SW IC

System Control

CPU

IC402

1.8V REG

V+1R8U

5 -> 3

R455, R456

USB_DAI

5 -> 3

TC74VHC08FTS

USB_DAO

3 -> 5

TC74VHCT541AFTS

V+3DU

V5DU

V3D (DSP)

Q401

IC331

IC351

X’tal

32.768 KHz

Block Diagram (USB portion)

B V

HDMI&DSP&USB ASSY (VSX-918V:AWX8977)

DSP&USB ASSY (VSX-818V : AWX9164)

4.7 USB BLOCK DIAGRAM

2 3 4

VSX-918V-K

• When a sound is not out in the multi-CH signal playback mode or surround mode with the COAX, OPT, USB or HDMI input. (SurroundBack is not output by setting.)

• Suppose CR to be normal contact and that is not damaged.

• This shows failure analysis of DSP Block.

Step 4: 3 V to 5 V conversion

Step 1: MUTE pin

IC351

convert 3 V into

5 V for input?

Replace IC201.

Replace IC1.

Replace IC2.

To Step 2

To Step 4

To Step 5

Step 0: Preliminary confirmation

Confirm the following items before checking

Do screws

of COAX Jack

securely tighten

Tighten screws securely.

Ye s

To Step 1

IC201 (Pin 54)

Is the

voltage of output

signal 0 V

Replace IC351.

Ye s

MUTE

Troubleshooting for all destination

[1] DSP TROUBLESHOOTING

Step 3: Regulator IC

Check the IC1 and REGULATOR Assy.

IC1 (Pin 4)

Is the

voltage of around

5 V to 5.3 V

input?

Ye s

(to chassis)

IC2 (Pin 5)

Is the

voltage of 1.25 V

output?

(to chassis)

IC1 (Pin 5)

Is the

voltage of 3.3 V

output?

Ye s

IC341

convert 3 V into

5 V for input?

Replace IC341.

Ye s

(to chassis)

Part shape and Pin arrangement of IC1 and IC2

Step 2: BtoB connector and FFC

CN1, CN2

Are the

connectors securely

inserted?

Turn the power off and insert the connectors securely.

Ye s

CN3

Is the

FFC securely

inserted?

Turn the power off and insert the connectors securely.

Ye s

To Step 3

BtoB connector

FFC

6 7 8

5. DIAGNOSIS

5.1 DIAGNOSIS FLOWCHART

VSX-918V-K

6 7 8

Step 7-1: DIR

Step 7

To Step 6

Check the parts and patterns in the path.

Check the USB Block, and the parts and patterns in the path.

Replace IC101.

IC331

convert 5 V into

3 V for input?

Replace IC331.

Ye s

Check the DIGITAL INPUT Assy, and parts and patterns in the path.

Check the path to pin 45 of IC201. Replace IC201.

IC101 (Pins 1, 3)

OPTICAL

Check that the S/PDIF signal is output. Check that changes by pulling out and inserting the digital input lines.

When the COAX, OPT or USB is input, go to Step 7-1. When the HDMI is input, go to Step 7-2.

Can

observe the

digital signal

(0 V ⇔ 4 V)

Ye s

IC101 (Pin 42)

COAX

Can

observe the

digital signal

Ye s

Check that the data and clock signals are output.

Check that it changes in the Playback and Pause modes of the USB (iPod).

(0 V ⇔ 3.3 V)

Ye s

IC101 (Pin 5)

From USB Block

Can

observe the

digital signal

(1.65 V center, amplitude more than 0.2 Vp-p)

Check the other assy. (surrounding of the microcomputer)

IC101 (Pin 27)

DIRM (Master clock)

Ye s

Is there

a master clock

output?

IC101 (Pin 24)

DIRL (LR clock)

Is there

a LR clock

output?

Replace IC101.

(0 V ⇔ 3.3 V)

Ye s

IC101 (Pin 25)

DIRD (Data)

Is there

a data

output?

Is the

voltage of PDN

IC101-pin 31

5 V?

Step 6: X'tal

To Step 7

Replace IC261 or X261.

Ye s

IC261 (Pin 2)

Is there

a 24.576 MHz

output?

Check the path to pin 30 of IC101. Replace IC101.

Ye s

IC261 (Pin 7)

Is there

a 24.576 MHz

output?

Ye s

IC261 (Pin 5)

Is there

a 24.576 MHz

output?

Step 5: 5 V to 3 V conversion

2 3 4

VSX-918V-K

To Step 7-2 (AWX9162) To Step 8 (AWX9163)

Replace IC101.

Ye s

IC101 (Pin 26)

DIRB (Bit clock)

Is there

a bit clock

output?

(0 V ⇔ 3.3 V)

Ye s

IC161 (Pin 4)

S1DT (data)

Is there

a data

output?

(0 V ⇔ 3.3 V)

Ye s

IC161 (Pin 7)

S1BC (Bit clock)

Is there

a bit clock

output?

(0 V ⇔ 3.3 V)

Ye s

IC161 (Pin 12)

S1LR (LR clock)

Is there

a LR clock

output?

(0 V ⇔ 3.3 V)

Ye s

IC161 (Pin 9)

S1MC (Master clock)

Is there

a master clock

output?

(0 V ⇔ 3.3 V)

Replace IC161.

Check the path between IC161-pin 1 and microcomputer.

Is the

voltage of

IC161-pin 1

0 V?

Ye s

To Step 8

Ye s

IC171 (Pin 4)

S2DT (data)

Is there

a data

output?

(0 V ⇔ 3.3 V)

Ye s

IC171 (Pin 7)

S2BC (Bit clock)

Is there

a bit clock

output?

(0 V ⇔ 3.3 V)

Ye s

IC171 (Pin 12)

S2LR (LR clock)

Is there

a LR clock

output?

(0 V ⇔ 3.3 V)

Ye s

IC171 (Pin 9)

S2MC (Master clock)

Is there

a master clock

output?

(0 V ⇔ 3.3 V)

Replace IC171.

At COAX, OPT or USB input

Check the path between IC171-pin 1 and microcomputer.

Is the

voltage of

IC171-pin 1

0 V?

Ye s

Replace IC171.

At HDMI input

Check the path between IC171-pin 1 and microcomputer.

Is the

voltage of

IC171-pin 1

5 V?

Ye s

Step 7-2 (AWX9162 only)

Switch

Check that the data and clock signals are output.

6 7 8

VSX-918V-K

6 7 8

Step 8: DSP output (digital)

Ye s

Digital output of each CH when inputting the digital signal with audio.

Replace IC201.

IC201 (Pin 6)

Surround L/R data

Is the output

0 V fixing?

Ye s

Replace IC201.

IC201 (Pin 7)

Front L/R data

Is the output

0 V fixing?

Replace IC201.

Ye s

IC201 (Pin 5)

Center/LFE data

Is the output

0 V fixing?

Replace IC201.

Ye s

IC201 (Pin 5)

Center/LFE data

Is there

a data output?

Replace IC201.

Ye s

IC201 (Pin 6)

Surround L/R data

Is there

a data output?

Replace IC201.

Ye s

IC201 (Pin 7)

Front L/R data

Is there

a data output?

(0 V ⇔ 3.3 V)

Digital output of each CH when inputting the digital signal (-∞ dB (no audio)).

To Step 9 (AWX9162) To Step 10 (AWX9163)

Step 9: LIPSYNC output (Digital) (AWX9162 only)

To Step 10

Is there

a data output?

Check that the data and clock signals are output.

Replace IC271.

Ye s

IC271 (Pin 31)

LSLK (LR clock)

Replace IC271.

Ye s

IC271 (Pin 30)

LSBK (Bit clock)

Is there

a bit clock

output?

Replace IC271.

IC271 (Pin 29)

Front L/R data

Is there

a LR clock

output?

(0 V ⇔ 3.3 V)

Is there

a data output?

Ye s

Replace IC271.

IC271 (Pin 28)

Surround L/R data

(0 V ⇔ 3.3 V)

Is there

a data output?

Ye s

Replace IC271.

IC271 (Pin 27)

Center/LFE data

(0 V ⇔ 3.3 V)

2 3 4

VSX-918V-K

2 3 4

+ 116 hidden pages

PIONEER VSX 918, VSX 818 Service Manual

VSX-918V-K

SAFETY INFORMATION

CONTENTS

1. SERVICE PRECAUTIONS

1.1 NOTES ON SOLDERING

1.2 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART

2. SPECIFICATIONS

2.1 SPECIFICATIONS

2.2 PANEL FACILITIES

3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

3.2 JIGS LIST

3.3 PCB LOCATIONS

4. BLOCK BIAGRAM

4.1 OVERALL WIRING CONNECTION DIAGRAM (VSX-918V)

4.2 OVERALL WIRING CONNECTION DIAGRAM (VSX-818V)

4.3 BLOCK DIAGRAM (VSX-918V)

4.4 BLOCK DIAGRAM (VSX-818V)

4.5 DSP BLOCK DIAGRAM

4.6 HDMI BLOCK DIAGRAM

4.7 USB BLOCK DIAGRAM

5. DIAGNOSIS

5.1 DIAGNOSIS FLOWCHART