Denon AVR-1911 Service Manual

SERVICE MANUAL

MODEL JP E3 E2 EK EA E1 E1K E1C

Ver. 4

Please refer to the MODIFICATION NOTICE.

AVR-1911

AVR-791

33 3

AV SURROUND RECEIVER

For purposes of improvement, speciﬁ cations and design are subject to change without notice.

•

Please use this service manual with referring to the operating instructions without fail.

•

Some illustrations using in this service manual are slightly different from the actual set.

•

D&M Holdings Inc.

S0088-1V04DM/DG1009

WARNING: Violators will be prosecuted to the maximum extent possible.

SAFETY PRECAUTIONS

The following check should be performed for the continued protection of the customer and service technician.

LEAKAGE CURRENT CHECK

Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. if the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective. Be sure to test for leakage current with the AC plug in both polarities, in addition, in each power ON, OFF and STANDBY mode, if applicable.

CAUTION

Please heed the points listed below during servicing and inspection.

◎Heed the cautions!

Spots requiring particular attention when servicing, such as the cabinet, parts, chassis,etc., have cautions indicated on labels. be sure to heed these causions and the cautions indicated in the handling instructions.

◎Caution concerning electric shock!

(1) An AC voltage is impressed on this set, so touching

internal metal parts when the set is energized could cause electric shock. Take care to avoid electric shock, by for example using an isolating transformer and gloves when servicing while the set is energized, unplugging the power cord when replacing parts, etc.

(2) Tere are high voltage parts inside. Handle with extra

care when the set is energized.

◎ Caution concerning disassembly and

assembly!

Through great care is taken when manufacturing parts from sheet metal, there may in some rare cases be burrs on the edges of parts which could cause injury if ﬁ ngers are moved across them. Use gloves to protect your hands.

◎Only use designated parts!

The set's parts have specific safety properties (fire resistance, voltage resistance, etc.). For replacement parts, be sure to use parts which have the same poroperties. In particular, for the important safety parts that are marked z on wiring diagrams and parts lists, be sure to use the designated parts.

◎ Be sure to mount parts and arrange the wires

as they were originally!

For safety seasons, some parts use tape, tubes or other insulating materials, and some parts are mounted away from the surface of printed circuit boards. Care is also taken with the positions of the wores omsode amd clamps are used to keep wires away from heating and high voltage parts, so be sure to set everything back as it was originally.

◎Inspect for safety after servicing!

Check that all screws, parts and wires removed or disconnected for servicing have been put back in their original positions, inspect that no parts around the area that has been serviced have been negatively affected, conduct an inslation check on the external metal connectors and between the blades of the power plug, and otherwise check that safety is ensured.

(Insulation check procedure) Unplug the power cord from the power outlet, disconnect the antenna, plugs, etc., and turn the power switch on. Using a 500V insulation resistance tester, check that the inplug and the externally exposed metal parts (antenna terminal, headphones terminal, input terminal, etc.) is 1MΩ or greater. If it is less, the set must be inspected and repaired.

CAUTION

Concerning important safety

parts

Many of the electric and structural parts used in the set have special safety properties. In most cases these properties are difficult to distinguish by sight, and using replacement parts with higher ratings (rated power and withstand voltage) does not necessarily guarantee that safety performance will be poreserved. Parts with safety properties are indicated as shown below on the wiring diagrams and parts lists is this service manual. Be sure to replace them with parts with the designated part number.

(1) Schematic diagrams ......Indicated by the z mark.

(2) Parts lists ......Indicated by the z mark.

Using parts other than the designated parts could result in electric shock, ﬁ res or other dangerous situations.

NOTE FOR SCHEMATIC DIAGRAM

WARNING:

Parts marked with this symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacture

CAUTION:

Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective.

WARNING:

DO NOT return the unit to the customer until the problem is located and corrected.

NOTICE:

ALL RESISTANCE VALUES IN OHM. k=1,000 OHM / M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD EACH VOLTAGE AND CURRENT ARE MEASURED AT NO SIGNAL INPUT CONDITION. CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE.

NOTE FOR PARTS LIST

Parts for which "nsp" is indicated on this table cannot be supplied.

1. When ordering of part, clearly indicate "1" and "I" (i) to avoid mis-supplying.

Ordering part without stating its part number can not be supplied.

Part indicated with the mark "★" is not illustrated in the exploded view.

Not including General-purpose Carbon Film Resistor in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.)

Not including General-purpose Carbon Chip Resistor in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.)

WARNING:

● Resistors

Ex.: RN

* Resistance

Capacitors

●

Ex.: CE

* Capacity (electrolyte only)

* Capacity (except electrolyte)

･ When the dielectric strength is indicated in AC,"AC" is included after the dieelectric strength value.

Parts marked with this symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.

14K

Type

RD : Carbon RC : Composition RS : Metal oxide film RW: winding RN : Metal film RK : Metal mixture

: Units: ohm

Type

CE : Aluminum foil

electrolytic

CA : Aluminium solid

electrolytic

CS : Tantalum electrolytic CQ: Film CK : Ceramic CC : Ceramic CP : Oil CM: Mica CF : Metallized CH : Metallized

･ Units:μF.

･ Units:pF

Shape and performance

Indicates number of zeros after effective number. 2-digit effective number.

1-digit effective number.

2-digit effective number, decimal point indicated by R.

04W

Shape and performance

Indicates number of zeros after effective number. 2-digit effective number.

Indicates number of zeros after efective number. (More than 2) 2-digit effective number.

Power

2B : 1/8 W 2E : 1/4 W 2H : 1/2 W 3A : 1 W 3D : 2 W 3F : 3 W 3H : 5 W

1800ohm=1.8kohm1 8

1.2ohm1 R 2

Dielectric strength

0J : 6.3 V 1A : 10 V 1C : 16 V 1E : 25 V 1V : 35 V 1H : 50 V 2A : 100 V 2B : 125 V 2C : 160 V 2D : 200 V 2E : 250 V 2H : 500 V 2J : 630 V

2200μF2 2

2200pF=0.0022μF2 2

182

Resistance

F:±1% G:±2% J:±5% K:±10% M:±20%

3R2

CapacityMAllowable

Allowable error

P : Pulse-resistant type NL : Low noise type NB : Non-burning type FR : Fuse-resistor F : Lead wire forming

error

F:±1% G:±2% J:±5% K:±10% M:±20% Z:±80%

: - 20%

P : +100% C:±0.25pF D:±0.5pF = : Others

Others

HS : High stability type BP : Non-polar type HR : Ripple-resistant type DL : For change and discharge HF : For assuring high requency U : UL part C : CSA part W : UL-CSA part F : Lead wire forming

･ Units:μF.

･ Units:pF

2.2μF2 R

1-digit effective number.

2-digit effective number, decimal point indicated by R

220pF2 2

Indicates number of zeros after effective numver. (0 or 1)

2-digit effective number.

TECHNICAL SPECIFICATIONS

n Audio Section

• Power ampliﬁ er Rated output :

Front : 90 W + 90 W (8 Ω, 20 Hz – 20 kHz with 0.08 % T.H.D.) 125 W + 125 W (6 Ω, 1 kHz with 0.7 % T.H.D.) 140W+140W(6 Ω, JEITA)

Center : 90 W (8 Ω, 20 Hz – 20 kHz with 0.08 % T.H.D.) 125 W (6 Ω, 1 kHz with 0.7 % T.H.D.) 140W(6 Ω, JEITA)

Surround : 90 W + 90 W (8 Ω, 20 Hz – 20 kHz with 0.08 % T.H.D.) 125 W + 125 W (6 Ω, 1 kHz with 0.7 % T.H.D.) 140W+140W(6 Ω, JEITA)

Surround back: 125 W + 125 W (6 Ω, 1 kHz with 0.7 % T.H.D.) 140W+140W(6 Ω, JEITA)

Output connectors : 6 – 16 Ω

• Analog

Input sensitivity/Input impedance : 200 mV/47 kΩ Frequency response: 10 Hz – 100 kHz — +1, –3 dB (DIRECT mode) S/N : 100 dB (IHF–A weighted, DIRECT mode)

n Video Section

• Standard video connectors Input/output level and impedance : 1 Vp-p, 75 Ω Frequency response : 5 Hz – 10 MHz — +1, –3 dB

n HD Radio section (for 1911E3)

[FM](Note: μV at 75 Ω, 0 dBf = 1 x 10

Receiving Range :

[FM] 87.5 MHz – 107.9 MHz

Usable Sensitivity :

[FM]1.5 μV (14.8 dBf)

S/N (IHF-A) :

[FM]MONO 78 dB

STEREO 68 dB HD 85 dB

Total harmonic Distortion (at 1 kHz) :

[FM]MONO 0.1 %

STEREO 0.2 % HD 0.02 % 0.02 %

DIMENSION

90 W + 90 W (8 Ω, 20 Hz – 20 kHz with 0.08 % T.H.D.)

–15

[AM]530 kHz – 1710 kHz

[AM]20 μV

[AM]

85 dB

[AM]

n Tuner section (for 1911E2,1911E1C,791E3,791EA)

[FM](Note: μV at 75 Ω, 0 dBf = 1 x 10

Receiving Range (for 791E3) :

[FM] 87.5 MHz – 107.9 MHz

Receiving Range (for 1911E2,1911E1C,791EA) :

[FM] 87.5 MHz – 108.0 MHz

Usable Sensitivity :

[FM]1.2 μV (12.8 dBf)

50 dB Quieting Sensitivity (for 791E3) :

[FM]MONO 2.8 μV (20.2 dBf)

50 dB Quieting Sensitivity (for 1911E2,1911E1C,791EA) :

[FM]MONO 2.0 μV (17.3 dBf)

STEREO 42 μV (34.5 dBf)

S/N (IHF-A) (for 791E3) :

[FM]MONO 70 dB

STEREO 67 dB

S/N (IHF-A) (for 1911E2,1911E1C,791EA) :

[FM]MONO 72 dB

STEREO 67 dB

Total harmonic Distortion (at 1 kHz) (for 791E3) :

[FM]MONO 0.7 %

STEREO 1.0 %

Total harmonic Distortion (at 1 kHz) (for 1911E2,1911E1C,791EA) :

[FM]MONO 0.3 %

STEREO 0.7 %

[AM]18 μV

–15

[AM]520 kHz – 1710 kHz

[AM]522 kHz – 1611 kHz

n General

Power supply : AC 120 V, 60 Hz (for 1911E3,791E3) AC 230 V, 50 Hz (for 1911E2,791EA) AC 220 V, 50 Hz (for 1911E1C)

Power consumption :

460 W

0.1 W (Standby) 3 W (CEC standby)

Maximum external dimensions :

434 (W) x 171 (H) x 381 (D) mm Weight : 10.2 kg

n Remote Control Unit (RC-1146)

Batteries : R6/AA Type (two batteries) Maximum external dimensions : 53 (W) x 224 (H) x 28 (D) mm Weight : 160 g (including batteries)

266

44.2

34.5

102

18.5

344

434

21.4

381

214.5

338.9

54.7

20.7

155

171

The illustration is AVR-791 E3 model.

CAUTION IN SERVICING

Initializing AV SURROUND RECEIVER

AV SURROUND RECEIVER initialization should be performed when the μcom, peripheral parts of μcom, and Digital P.W.B. are replaced.

1. Turn off the power using ON/STANDBY button.

2. Press ON/STANDBY button while simultaneously pressing SURROUND MODE 0 and SURROUND MODE buttons.

3. Check that the entire display is ﬂ ashing with an interval of about 1 second, and release your ﬁ ngers from the 2 buttons and the microprocessor will be initialized.

Note: •If step 3 does not work, start over from step 1.

All user settings will be lost and this factory setting will be recovered when this initialization mode.

•

So make sure to memorize your setting for restoring after the initialization.

ON/STANDBY

SURROUND MODE 1

SURROUND MODE 0

Service Jigs

When you repair the printing board, you can use the following JIG (Extension cable kit). Please order to Denon Ofﬁ cial Service Distributor in your region if necessary.

8U-110084S : EXTENSION UNIT KIT : 1 Set (Refer to 20 page)

When you update the ﬁ JIG (RS232C to internal connector conversion adapter with 4P FFC cable kit ). Please order to Denon Ofﬁ cial Service Distributor in your region if necessary.

rmware, you can use the following

8U-210100S : WRITING KIT : 1 Set (Refer to 22 page)

DISASSEMBLY

• Disassemble in order of the arrow of the ﬁ gure of following ﬂ ow.

• In the case of the re-assembling, assemble it in order of the reverse of the following ﬂ ow.

• In the case of the re-assembling, observe "attention of assembling" it.

• If wire bundles are untied or moved to perform adjustment or parts replacement etc., be sure to rearrange them neatly as they were originally bundled or placed afterward. Otherwise, incorrect arrangement can be a cause of noise generation.

CABINET TOP

FRONT PANEL ASSY

Refer to "DISASSEMBLY

1. FRONT PANEL ASSY"

and "EXPLODED VIEW"

PCB FUNCTION

(Ref. No. of EXPLODED VIEW : 11)

PCB H/P

(Ref. No. of EXPLODED VIEW : 14)

PCB USB

(Ref. No. of EXPLODED VIEW : 21)

PCB FRONT

(Ref. No. of EXPLODED VIEW : 22)

PCB FUNCTION_CNT

(Ref. No. of EXPLODED VIEW : 23)

TRANS MAIN

Refer to "DISASSEMBLY

6. TRANS MAIN"

and "EXPLODED VIEW"

TRANS MAIN

(Ref. No. of EXPLODED VIEW : 46)

RADIATOR ASSY

Refer to "DISASSEMBLY

2. RADIATOR ASSY"

and "EXPLODED VIEW"

PCB GUIDE_L

(Ref. No. of EXPLODED VIEW : 26)

PCB TOP_GUIDE

(Ref. No. of EXPLODED VIEW : 29)

PCB GUIDE_R

(Ref. No. of EXPLODED VIEW : 31)

PCB 7CH-AMP ASSY

(Ref. No. of EXPLODED VIEW : 33)

PCB REG CNT/PCB REG

Refer to "DISASSEMBLY

3. PCB REG CNT/PCB REG"

and "EXPLODED VIEW"

PCB REG

(Ref. No. of EXPLODED VIEW : 52)

PCB REG_CNT

(Ref. No. of EXPLODED VIEW : 53)

PCB AUDIO_VIDEO ASSY

(Ref. No. of EXPLODED VIEW : 50)

PCB SIDE_CNT

(Ref. No. of EXPLODED VIEW : 51)

PCB HDMI ASSY

(Ref. No. of EXPLODED VIEW : 56)

PCB FRONT_CNT

(Ref. No. of EXPLODED VIEW : 57)

PCB SPK

(Ref. No. of EXPLODED VIEW : 54)

PCB SMPS

(Ref. No. of EXPLODED VIEW : 55)

HDMI UNIT ASSY

Refer to "DISASSEMBLY

4. HDMI UNIT ASSY"

and "EXPLODED VIEW"

PCB SPK/PCB SMPS

Refer to "DISASSEMBLY

5. PCB SPK/PCB SMPS"

and "EXPLODED VIEW"

About the photos used for descriptions in the DISASSEMBLY" section.

• The direction from which the photographs used herein were photographed is indicated at "Direction of photograph: ***" at the left of the respective photographs.

• Refer to the table below for a description of the direction in which the photos were taken.

• Photographs for which no direction is indicated were taken from above the product.

• The photograph is AVR-791 E3 model.

The viewpoint of each photograph (Photografy direction)

［View from above］

Direction of photograph: C

Direction of photograph: B

Front side

Direction of photograph: D

Direction of photograph: A

1. FRONT PANEL ASSY

Proceeding :

(1) Remove the screws.

View from bottom

CABINET TOP

FRONT PANEL ASSY

→

(2) Cut the wire clamp band, then disconnect the connector wires and FFC cable. Remove the screws.

CP100

STYLEPIN : Loose

cut

N4401

STYLEPIN : Loose

FFC cable

Please refer to "EXPLODED VIEW" for the disassembly method of each PCB included in FRONT PANEL ASSY.

2. RADIATOR ASSY

Proceeding :

(1) Remove the screws.

View from bottom

CABINET TOP

RADIATOR ASSY

→

(2) Remove the screws.

Direction of photograph: C

Direction of photograph: D

STYLEPIN : Loose

(3) Cut the wire clamp bands, then disconnect the connector wires and FFC cable.

STYLEPIN : Loose

cut

N2706

RADIATOR ASSY

FFC cable

CP100

(4) Disconnect the connector wires.

CP401 CP402

PCB 7CH AMP

CP403 CP405

STYLEPIN : Loose

Please refer to "EXPLODED VIEW" for the disassembly method of each P.W.B included in RADIATOR ASSY.

3. PCB REG CNT/PCB REG

Proceeding :

(1) Remove the screws.

(2) Disconnect the connector wires and connector board..

CABINET TOP

RADIATOR ASSY

→

CP102

PCB REG CNT/PCB REG

→

PCB REG

PCB REG CNT

CP13BCP104

Direction of photograph: C

PCB REG

Board to board

CP13A

4. HDMI UNIT ASSY

Proceeding :

(1) Disconnect the connector wire and FFC cable.

FFC cable

HDMI UNIT ASSY

BACK PANEL

CABINET TOP

HDMI UNIT ASSY

→

CX100

(2) Remove the screws, then remove the BACK PANEL.

Direction of photograph: A

(3) Cut the wire clamp band, then disconnect the and connector wires. Remove the screw.

cut

CP401

N2501

CP13B

CP13A

N2706

N4401

HDMI UNIT ASSY

(4) Disconnect the connector, then remove the HDMI UNIT ASSY from the main unit.

Direction of photograph: D

(5) Disconnect the connector board.

CP12

Board to board

(6) Disconnect the connector board.

Board to board

PCB HDMI

PCB FRONT CNTPCB SIDE CNT

Board to board

PCB AUDIO VIDEO

5. PCB SPK/PCB SMPS

Proceeding :

(1) Remove the Sheet, then remove the screws and SUPPORTER P.C.

View from bottom

CABINET TOP

HDMI UNIT ASSY

→

SUPPORTER P.C.

→

PCB SPK/PCB SMPS

Sheet

(2) Disconnect the connector wire, then remove the screws.

PCB SPK/PCB SMPS

CX102

(3) Disconnect the connector wire, then remove the screws. Remove the PCB SPK/PCB SMPS from the main unit.

CP1

(4) Disconnect the connector board.

PCB SMPSPCB SPK

Board to board

6. TRANS MAIN

Proceeding :

(1) Disconnect the connector wires, then remove the screws.

CABINET TOP

TRANS MAIN

→

CP100

STYLEPIN : Loose

CX102

(2) Disconnect the connector wires.

CP1

CP102, CP104

SPECIAL MODE

Special mode setting button

Press the ON/STANDBY button to turn on while pressing both buttons A and B at the same time.

Mode Button A Button B Contents

Firmware versions such as Main, Sub, DSP are displayed in

com/DSP Version display mode STATUS DIMMER

Errors checking mode (Displaying the protection history)

Initialization mode

Mode for switching tuner frequency step DINAMIC EQ

Mode for preventing remote control acceptance

Panel lock mode DINAMIC EQ ENTER

Panel lock mode (Remove Master volume)

Cancellation of panel lock mode DINAMIC EQ RETURN Panel lock mode is cancelled.

STATUS MULT EQ

SURROUND

MODE

DINAMIC VOLUME

DINAMIC EQ CURSOR 1Operations using main unit panel buttons are rejected.



SURROUND

MODE

DINAMIC VOLUME

RETURN

the FL manager. Errors are displayed when they occur. (Refer to 17 page.)

Displaying the protection history (Refer to 18 page.)

Backup data initialization is carried out.



(Refer to 5 page.)

---E2 model only--Select with the SOURCE 0 d 1 f button. Change tuner frequency step to AM9k/FM50kHz STEP or AM:10k/FM:200kHz.

Operations using remote control are rejected. (Mode cancellation: Turn off power and execute the same button operations as when performing setup.)

Operations using main unit panel buttons or master volume are rejected.

ON/STANDBY

DINAMIC VOLUME DIMMER

DINAMIC EQ MULT EQ

ENTER

RETURN

CURSOR 1 SURROUND MODE 0 1

STATUS

1. μcom/DSP Version display mode

1.1. Operation speciﬁ cations

μcom/DSP version display mode:

When started up, the version information is displayed.

Starting up:

With the "DIMMER" and "STATUS" buttons pressed, press the "ON/STANDBY" button to turn the power on. Now, press the "STATUS" button to the display the 2nd item information on the FL Display.

1.2. Display Order

Destination information  Main-com version  Main 1st Boot version  Sub-com version  Sub 1st Boot Loader Version  DSP version  APLD version  USB version  HD Radio SDK version (1911E3 model only) s  HD Radio BBP version (1911E3 model only)

1.3. Error display

See the following table for each "Error information" display and its contents (status). Display order is

Condition State State

q,w,e,r,t

Sub-com NG No response from Sub-com

DIR NG No response from DIR

When DSP boot, executing DSP reset makes no change to DSP1 FLAG0 port "H".

No change to DSP FLAG0 port "H" before issuing DSP command.

When DSP data read, executing WRITE="L" makes no change to ACK="H".

When DSP data read, executing REQ="L" makes no change to ACK="L".

DSP1 NG

EEPROM NG Error appeared in EEPROM checksum.(*** is a block address number.)

Both SUB/DSP

/EEPROM OK

When DSP data write, executing WRITE="H" makes no change to ACK="H".

When DSP data write, executing REQ="L" makes no change to ACK="L".

When DSP special code boot, executing DSP reset makes no change to DSP FLAG0 port "H".

No change to DSP FLAG0 port "H" before issuing DSP special read command.

No change to DSP FLAG0 port "H" before DSP version read.

SUB ERROR 01

DIR ERROR 01

DSP ERROR 01

DSP ERROR 02

DSP ERROR 03

DSP ERROR 04

DSP ERROR 05

DSP ERROR 06

DSP ERROR 11

DSP ERROR 12

DSP ERROR 13

E2PROM ERR***

(No error display, version display only)

2. Errors checking mode (Displaying the protection history)

2.1. Operation speciﬁ cations

Error mode (Displaying the protection history):

When started up, the error information is displayed.

Starting up:

●All model commonness

With the "STATUS" and "MULT EQ" buttons pressed, press the "ON/STANDBY" button to turn the power on. The error (protection history display) mode is set. Now, press the "STATUS" button to turn on the FL display.

2.2. About the display on the FL display

When the "STATUS" button is pressed after setting the error (protection history display) mode, a history like the one shown below is displayed, depending on the conditions.

(1) Normally (when there has been no protection incident)

FLD

(2) For ASO (when the last protection incident was ASO protection)

FLD

Cause: The line between speaker terminals is shorted, or use speakers having impedance less than that speciﬁ ed. Supplementary information: As the excess current is detected after operation of the speaker relay, the shorted

Turning on the power without correcting the abnormality will cause the protection function to work about 5 seconds later and the power supply will be shut off.

(3) For DC (when the last protection incident was DC protection)

FLD

Cause: DC output of the power ampliﬁ er is abnormal.

Turning on the power without correcting the abnormality will cause the protection function to work about 5 seconds later and the power supply will be shut off.

(4) For THERMAL (when the last protection incident was THERMALprotection)

FLD

Cause: The temperature of the heat sink is excessive.

Turning on the power without correcting the abnormality will cause the protection function to work about 5 seconds later and the power supply will be shut off.

NO PROTECT

PRT:ASO

speaker terminal and the connected speaker can be identiﬁ ed.

PRT:DC

PRT:THERMAL

Additional causes of protection can be due to loose connections, associated components, Microprocessor, etc.

When the "STATUS" button is pressed again after the above protection history is displayed, the normal display reappears.

2.3. Clearing the protection history

There are two ways to clear the protection history, as described below.

Start up the error (protection display) mode, display the error, then press and hold in the "ENTER" button for 3 seconds.

(1)

FLD

(2) Initialize. (Refer to "Initializing AV SURROUND RECEIVER" 5 page.)

If you want to save a backup, use the method in 2.3.(1) above.

:THERMALTHE

Press and hold in the "ENTER" button for 3 seconds.

PRT:CLEAR

The above is displayed and the protection history is cleared.

NO PROTECT

Warning indication by the POWER LED

If the power is turned off when a protection incident has been detected, the POWER LED (red) ﬂ ashes as a warning according to the conditions in which the protection incident occurred.

(1) ASO/DC PROTECTION : Flashes in cycles of 0.5 seconds (0.25 seconds lit, 0.25 seconds off) (2) THERMAL PROTECTION : Flashes in cycles of 2 seconds (1 second lit, 1 second off)

JIG FOR SERVICING

When you repair the printing board, you can use the following JIG (Extension cable kit). Please order to DENON Ofﬁ cial Service. Distributor in your region if necessary.

Note: When the connection which is wrong in the JIG (EXTENSION UNIT KIT) is done it becomes cause of damage.

8U-110084S : EXTENSION UNIT KIT : 1 Set

• Connection of PCB HDMI JIG

-Preparation-

8U-110084S : EXTENSION UNIT KIT : 1 Set Insulation sheet (Do not supply it) : 1 sheet Ground lead (Do not supply it) : 1 pc

-Procedures-

(1) Remove the screws.

(2) Disconnect the connector board.

Board to board

PCB HDMI

Board to board

(3) PCB HDMI is detached from the chassis, and it puts it into the state turned inside out.

Please pave an insulation sheet that is larger than PCB HDMI under PCB.

Connect the ground point of PCB to the chassis with a ground lead or the like.

PCB HDMI

Insulation sheet

Ground lead

(4) Connect the four extension jig cables.

PCB HDMI

Insulation sheet

PCB SIDE CNT

PCB FRONT CNT

Connection table of Board to Board

No. Pin Ref. No. PCB Ref. No. PCB

e r t y u

11 pin CP3 SIDE CNT 25 pin CP4 SIDE CNT 19 pin CP105 FRONT CNT 17 pin CP106 FRONT CNT 19 pin CP108 FRONT CNT N2704 HDMI 17 pin CP109 FRONT CNT 33 pin CP110 FRONT CNT

N2709 HDMI N2708 HDMI N2701 HDMI N2702 HDMI

N2705 HDMI N2707 HDMI

ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE

When replaced of the U-PRO (Microprocessor) or the Flash ROM, conﬁ rm contents of the following.

PWB Name Ref. No. Description

DIGITAL U3102 R5F64169DFD B SOFTWARE: Main DIGITAL U3301 R5F3650KNFB B SOFTWARE: Sub DIGITAL U1903 EN29LV160BB-70TIP B SOFTWARE: DSP ROM DIGITAL U1707 EPM3032A B SOFTWARE: Audio PLD

After replaced

A : Mask ROM (With software). No need write-in of software to the microprocessor. B : Flash ROM (With software). Usually, no need write-in of software. But, when the software was updated, you should be

write-in of the new software to the microprocessor or ﬂ ash ROM. Please check the software version.

C : Empty Flash ROM (Without software). You should be write-in of the software to the microprocessor or ﬂ ash ROM.

Refer to "Update procedure" or "writing procedure", when you should be write-in the software.

After

replaced

Remark

VERSION UPGRADE PROCEDURE OF FIRMWARE

1. Preparations before starting the operation

(1) Personal Computer (Installed “DFW_0041_AVR1911_AVR791_(Rev.1.0.6).exe”). (2) RS-232 cable (9P (Male ), Straight). (3) 8U-210100 Writing Kit.

2. Connection of the AV receiver/ampliﬁ er

(1) Conﬁ rm the power on/off switch of the AV receiver/ampliﬁ er is turning off. (2) Connect the update terminal of AV receiver/ampliﬁ er with the “Writing Kit”. (3) Connect the RS-232C cable from PC with the “Writing Kit”.

4P FFC Cable

This side is contacts of flexible card cable.

Writing Kit

S706-709 : No Preference

S709

RS-232C Cable

S708

S707

S706

S702 : 3.3V

S702

3. Turn on the AV receiver/ampliﬁ er

Operate the following. Turn on the AV receiver. (1) Connect the power cable to the AC outlet while simultaneously pushing the "SURROUND MODE

"RETURN" button of the front panel.

(2) Conﬁ rm the power indicator is green and “WRITTING” is displayed in the front panel.

button and the

4. Run the DFW

Run the “DFW_0041_AVR1911_AVR791_(Rev.1.0.6).exe”)” on desktop of PC.

5. Communication check

(1) Click the “Check Comm.” button.

(2) When connection is good, then you can see the “Communication check OK.” message.

(3) If connection is not good, then you can see the “Communication check NG” message.

Please conﬁ rm the following (a) Check the connection of the AV receiver/ampliﬁ er and PC. (refer to “2. Connection of the AV receiver/ampliﬁ er” ) (b) Check the operation mode of the AV receiver/ampliﬁ er. (refer to “3.Turn on the AV receiver/ampliﬁ er”) (c) Check the selection of the RS-232C port number of PC.

6. Download the ﬁ rmware

(1) Click the "Load" button.

(2) Download the ﬁ rmware from the speciﬁ ed download source to PC.

7. Complete the ﬁ rmware updating

(1) Click the “Update” button.

(2) When writing of the ﬁ rmware is completed, the power of this unit turns on automatically and you can see the “Update

completed” message.

(3) If you can’t complete the ﬁ rmware update, please retry the ﬁ rmware update from “3. Turn on the AV receiver/

ampliﬁ er”.

8. Notice:

Please keep the following notice for ﬁ rmware update. (a) Keep the PC environment (b) Avoid the communication cable from the electrical noise source.

(e.g. telephone cable, AC line, a ﬂ uorescent light) (c) Don’t remove cable during update. (d) Don’t turn off the power during update. (e) Don’t run other PC application during update. (f) Stop the resident program on PC (Virus checker and System check utilitu, etc) (g) Stop the screen saver on PC. (h) Stop the power save ability on PC. (i) In case of laptop PC, Use the AC adaptor.

Conﬁ rming the ﬁ rmware’s number after upgraded

After completion of the updating operation, the new version number can conﬁ rmed by starting up the AVR1911 or AVR791 according to the following procedure. With the following operation, the AVR1911 or AVR791 can be set to the Flash ROM Version-Number Conﬁ emation mode. Turn on power switch while simultaneously pressing "DIMMER" and "STATUS" buttons on the front panel. Every time the "STATUS" button is pressed, version number of the Model, Main, Sub, … are indicated on the front panel section in the following order.

Depression Button Name Remarks

1 STATUS Model Name

2 STATUS Main CPU _ M a i n _ _ _ _ _ : * * . * * 3 STATUS - _ M a i n _ F B L _ : * * . * * 4 STATUS Sub CPU _S u b _ _ _ _ _ _ : * * . * * 5 STATUS - _ S u b _ F B L _ _ : * * . * * 6 STATUS DSP ROM _ D S P _ _ _ _ _ _ : * * . * * 7 STATUS Audio PLD A _ P L D _ : A * * * * * * * 8 STATUS USB ROM _ U S B _ _ _ _ _ _ _ _ : * * *

9 STATUS HD RADIO SDK Ver. (1911E3 only) _H D S D K _ _ _ _ : * * . * * 10 STATUS HD RADIO BBP Ver. (1911E3 only) _ H D B B P : * * * * * . * * * 11 STATUS iPod Dock _ D o c k _ V e r _ : * * . * *

A V R 1 9 1 1 _ * * * * * * _ _ A V R 7 9 1 _ _ * * * * * * _ _

SURROUND MODES AND PARAMETERS

Delay Time Effect Lev. Room Size

LFE

z11

z10

D. Comp

SSS

DRC

Cinema EQ.

DSSS

Front Height L/R Subwoofer Mode

L/R

Surround Back

SSS

DS S

DSS

DSSSS

DSSS

Channel output Surround Parameter

L/R

Surround

Center

S DSSS

S D

L/R

Front

Surround mode

PURE DIRECT

Symbols in the table

S This indicates the audio output channels or surround parameters that can be set.

D This indicates the audio output channels. The output channels depend on the settings of “Speaker Conﬁg.”

DIRECT (2channel)

SDDDD

SDDD

STEREO

MULTI CH IN

DIRECT (Multi-channel)

DOLBY PRO LOGIC gz SDD DDS

DOLBY PRO LOGIC gx SDDD DSS

SDDD DSS

SDDDD

DOLBY PRO LOGIC g SDD DSS

DTS NEO:6

DOLBY DIGITAL

SDDDD

DOLBY DIGITAL Plus

SDDD

SDDDD

DTS 96/24

DOLBY TrueHD

DTS SURROUND

SDDDD

DTS-HD

DTS Express

MULTI CH STEREO

ROCK ARENA

SDDDD

JAZZ CLUB

MONO MOVIE

VIDEO GAME

MATRIX

S D

z1 A signal for each channel contained in an input signal is output as audio.

z2 If “Surround Parameter” – “Front Height” is set to “ON”, sound is output from the front height speakers.

z3 Only when “Subwoofer Mode” is set to “LFE+Main”, sound is output from the subwoofer.

z4 If this surround mode is selected, only the “Height” mode setting is available for “Surround Parameter” – “Mode”.

VIRTUAL

z5 For HD Audio whose sampling frequency of an input signal is more than 96kHz, this sound parameter cannot be set.

z6 This item can be selected when “Surround Parameter” – “Mode” is set to “Cinema”.

z7 This item can be selected when “Surround Parameter” – “Mode” is set to “Cinema” or “Pro Logic”.

z8 This item cannot be set when “Surround Parameter” – “S.Back” is set to “PLgx Music”.

z9 This item can be selected when a Dolby TrueHD signal is played.

z10 This item can be selected when a Dolby Digital or DTS signal is played.

z11 This item can be selected when a Dolby Digital or DTS signal or DVD-Audio is played.

RESTORER

Audyssey Settingsz20

z19

Dynamic

Volume™

z17

Dynamic EQ

z18

SSS

SSSS

Tone

z15

mode only

NEO:6 Music

PRO LOGIC g/gx Music mode only

Panorama Dimension Center Width Center Image MultEQ

Surround Parameter

Height Gain Subwoofer

SSSSS

SSSS

z14

SSSS

z14

SSSS

z14

z16

SSSS

z14

SSSSS

z13

Front Height

S.Back

z12

AFDM

Surround mode

PURE DIRECT

DIRECT (2 channel)

DIRECT (Multi-channel)

SSSS

STEREO

MULTI CH IN

DOLBY PRO LOGIC gz SS SSSSS

SS SSSSS

S SSSSSS

SSSS

DOLBY PRO LOGIC gx S SSS SSSSS

DOLBY PRO LOGIC g SS SSS SSSSS

DTS NEO:6

DOLBY DIGITAL

DOLBY DIGITAL Plus

DOLBY TrueHD

DTS SURROUND

DTS 96/24

DTS-HD

SS S

SS SS

SSSS

JAZZ CLUB

ROCK ARENA

DTS Express

MULTI CH STEREO

SS SSSSS

MONO MOVIE

VIDEO GAME

MATRIX

VIRTUAL

z3 Only when “Subwoofer Mode” is set to “LFE+Main”, sound is output from the subwoofer.

z12 This item can be selected when a Dolby Digital or DTS or DVD-Audio signal is played.

z13 If “Speaker Conﬁg.” – “Front Height” is set to “None”, this item cannot be selected.

z14 This item can be selected when “Surround Parameter” – “Front Height” is set to “ON”.

z15 This item cannot be set when “Dynamic EQ” is set to “ON”.

z16 In this surround mode, bass is +6 dB, and treble is +4 dB. (Default)

z17 This item cannot be set when “MultEQ” is set to “OFF” or “Manual”.

z18 This item cannot be set when “Dynamic EQ” is set to “OFF”.

z19 This item can be set when the input signal is analog, PCM 48 kHz or 44.1 kHz.

z20 For HD Audio whose sampling frequency of an input signal is more than 96 kHz, this sound parameter cannot be set.

DOLBY

DIGITAL

DOLBY

DIGITAL

DOLBY

DIGITAL

DOLBY

DIGITAL EX

DOLBY

DIGITAL EX

(2ch)

(4/3ch)

(5.1/5/4ch)

Flag)

(With no

(With Flag)

SFFF

F DS S S

DOLBY

DIGITAL Plus

DOLBY

TrueHD

DTS 96/24

DTS

(5.1ch)

Input signal types and formats

MTRX

DTS ES

DSCRT

DTS ES

DTS

High

DTS-HD

Master

DTS-HD

(With Flag)

EXPRESS

Audio

Resolution

Audio

SSF

(2ch)

LINEAR PCM

PCM DTS-HD DTS DOLBY DOLBY DIGITAL

(multi ch)

LINEAR PCM

SS S

ANALOG

z1z3 F D

Surround mode NOTE

DTS-HD MSTR

DTS-HD HI RES

DTS ES DSCRT6.1

DTS ES MTRX6.1

DTS SURROUND

DTS 96/24FDTS (–HD) + PLgx CINEMA z2z3 SSSSSSS

DTS (–HD) + PLgx MUSIC z1z3 SSSSSSS

DTS (–HD) + PLgz z4 SSSSSSS

Symbols in the table

F This indicates the default surround mode.

D This indicates the surround mode that is ﬁxed when “AFDM” is set to “ON”.

S This indicates the selectable surround mode.

DTS SURROUND

SS S

z1z3 SSS SSS

DTS EXPRESS

DTS (–HD) + NEO:6

DTS NEO:6 CINEMA

DTS NEO:6 MUSIC

DOLBY SURROUND

z1z3 SSSS

z1z3 SS

DOLBY PRO LOGIC gz z4 SS S

DOLBY PRO LOGIC gx GAME z1z3 SS S

DOLBY PRO LOGIC gx MUSIC z1z3 SS S

DOLBY (D) (D+) (HD) +PLgx MUSIC z1z3 SSSSSS

DOLBY (D) (D+) (HD) +PLgz z4 SSSSSS

DOLBY TrueHD

DOLBY DIGITAL+

DOLBY DIGITAL EX

DOLBY (D+) (HD) +EX

DOLBY DIGITAL

DOLBY PRO LOGIC gx CINEMA z1z3 SS S

DOLBY (D) (D+) (HD) +PLgx CINEMA z2z3 SS

DOLBY PRO LOGIC g CINEMA SS S

DOLBY PRO LOGIC g MUSIC SS S

DOLBY PRO LOGIC g GAME SS S

SS S

If “Speaker Conﬁg.“ – “S.Back“ is set to “None”, this surround mode cannot be selected.

z2 If “Speaker Conﬁg.“ – “S.Back“ is set to “1sp” or “None”, this surround mode cannot be selected.

z3 This surround mode can be selected when “Amp Assign” is set to “Normal”.

z4 If “Speaker Conﬁg.“ – “Front Height“ is set to “None”, this surround mode cannot be selected.

DOLBY PRO LOGIC

DOLBY

DIGITAL

DOLBY

DIGITAL

DOLBY

DIGITAL

DOLBY

DIGITAL EX

DOLBY

DIGITAL EX

DOLBY

DTS 96/24

DTS

(2ch)

(4/3ch)

(5.1/5/4ch)

Flag)

(With no

(With Flag)

DIGITAL Plus

TrueHD

(5.1ch)

Input signal types and formats

MTRX

DTS ES

(With Flag)

DSCRT

DTS ES

(With Flag)

DTS

EXPRESS

High

DTS-HD

Resolution

Audio

Master

DTS-HD

(2ch)

LINEAR PCM

PCM DTS-HD DTS DOLBY DOLBY DIGITAL

(multi ch)

LINEAR PCM

ANALOG

Audio

S S SSSS SSSSS

SS S SSSSSSSSSSSSSS

SS S SSSS SSSSS

z3 F D (7.1)

z1z3 S

SS S SSSS SSSSS

FS F SSSSSSSSSSSSSS

z1 If “Speaker Conﬁg.“ – “S.Back“ is set to “None”, this surround mode cannot be selected.

z2 If “Speaker Conﬁg.“ – “S.Back“ is set to “1sp” or “None”, this surround mode cannot be selected.

z3 This surround mode can be selected when “Amp Assign” is set to “Normal”.

z4 If “Speaker Conﬁg.“ – “Front Height“ is set to “None”, this surround mode cannot be selected.

Surround mode NOTE

MULTI CH IN

MULTI CH IN + PLgx CINEMA z2z3 S

MULTI CH IN

MULTI CH IN + PLgx MUSIC z1z3 S

MULTI CH IN + PLgz z4 S

MULTI CH IN + Dolby EX

MULTI CH IN 7.1

DIRECT

PURE DIRECT

DSP SIMULATION

MULTI CH STEREO

ROCK ARENA

JAZZ CLUB

MONO MOVIE

VIDEO GAME

VIRTUAL

MATRIX

STEREO

ADJUSTMENT

Audio Section

Idling Current

Required measurement equipment: DC Voltmeter

1. Preparation

(1) Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room temperature

15 °C ~ 30 °C (59 °F ~ 86 °F).

(2) Presetting

• POWER (Power source switch) STANDBY

• SPEAKER (Speaker terminal) No load (Do not connect speaker, dummy resistor, etc.)

2. Adjustment

(1) Remove top cover and set VR401, VR402, VR403, VR404, VR405, VR406, VR407 on 7CH AMP UNIT at fully

counterclockwise (c) position.

(2) Connect DC Voltmeter to test points (FRONT-Lch: TP401, FRONT-Rch: TP402, CENTER ch: TP403, SURROUND-

Lch: TP404, SURROUND-Rch: TP405, SURROUND-BACK Lch: TP406, SURROUND-BACK Rch: TP407. (3) Connect power cord to AC Line, and turn power switch "ON". (4) Presetting.

MASTER VOLUME : "---" counterclockwise (c min.)

SPEAKER (Speaker terminal) : No load

(Do not connect speaker, dummy resistor, etc.) MODE : MCH STEREO FUNCTION : DVD

(5) Within 2 minutes after the power on, turn VR401 clockwise (x) to adjust the TEST POINT voltage to

1.5 mV ± 0.5 mV DC.

(6) After 10 minutes from the preset above, turn VR401 to set the voltage to 2.0 mV ± 0.5 mV DC. (7) Adjust the Variable Resistors of other channels in the same way.

DC Voltmeter

VR401

TP401

F Lch

VR404

7CH AMP UNIT

VR403

TP404

S Lch

TP403

C ch

VR405

TP405

S Rch

VR402

TP402

F Rch

VR406

VR407

TP406

S Back Lch

TP407

S Back Rch

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