Denon AVC-1909 ユーザーマニュアル

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Denon Brand Company, D&M Holdings lnc.
For purposes of improvement, specifications 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.
X0383 V.03 DE/CDM 0812
SERVICE MANUAL
AV SURROUND RECEIVER
MODEL JP E3 E2 EK E2A E1C EA
AVR-1909
33
AVR-789
33
AVC-1909
3
Ver. 3
Please refer to the
MODIFICATION NOTICE.
2
AVR-1909/789, AVC-1909
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 or seals. Be sure to heed these cautions and the
cautions indicated in the handling instructions.
Caution concerning electric shock!
(1) An AC voltage is impressed on this set, so touching in-
ternal 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, un-
plugging the power cord when replacing parts, etc.
(2)There are high voltage parts inside. Handle with extra
care when the set is energized.
Caution concerning disassembly and
assembly!
Though 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 fingers are
moved across them. Use gloves to protect your hands.
Only use designated parts!
The set's parts have specific safety properties (fire resis-
tance, voltage resistance, etc.). For replacement parts, be
sure to use parts which have the same properties. In par-
ticular, for the important safety parts that are marked z on
wiring diagrams and parts lists, be sure to use the desig-
nated parts.
Be sure to mount parts and arrange
the wires as they were originally!
For safety reasons, some parts use tape, tubes or other in-
sulating materials, and some parts are mounted away from
the surface of printed circuit boards. Care is also taken with
the positions of the wires inside and 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 discon-
nected for servicing have been put back in their original po-
sitions, inspect that no parts around the area that has been
serviced have been negatively affected, conduct an insu-
lation 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. Us-
ing a 500V insulation resistance tester, check that the in-
sulation resistance between the terminals of the power
plug and the externally exposed metal parts (antenna ter-
minal, headphones terminal, microphone terminal, input
terminal, etc.) is 1M or greater. If it is less, the set must
be inspected and repaired.
Concerning important safety
parts
Many of the electric and structural parts used in the set
have special safety properties. In most cases these prop-
erties are difficult to distinguish by sight, and using re-
placement parts with higher ratings (rated power and
withstand voltage) does not necessarily guarantee that
safety performance will be preserved. Parts with safety
properties are indicated as shown below on the wiring dia-
grams and parts lists is this service manual. Be sure to re-
place 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, fires or
other dangerous situations.
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.
CAUTION
CAUTION
3
AVR-1909/789, AVC-1909
z
z
z
4
AVR-1909/789, AVC-1909
DIMENSION
AVR-1909 model
5
AVR-1909/789, AVC-1909
AVR-789 model
6
AVR-1909/789, AVC-1909
WIRE ARRANGEMENT
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.
Wire arrangement viewed from the top
Back Panel side
Front Panel side
7
AVR-1909/789, AVC-1909
DISASSEMBLY
Disassemble in order of the arrow of the figure of following flow.
In the case of the re-assembling, assemble it in order of the reverse of the following flow.
In the case of the re-assembling, observe "attention of assembling" it.
FRONT P.W.B ASSY HDMI P.W.B ASSY VIDEO P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BF1) (Ref. No. of EXPLODED VIEW : BH1) (Ref. No. of EXPLODED VIEW : BV1)
V- AUX P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BF2)
MIC P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BF3)
FUNC P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BF4) SIRIUS P.W.B ASSY CPU P.W.B ASSY
HEAD PHONE P.W.B ASSY (Ref. No. of EXPLODED VIEW : BS1) (Ref. No. of EXPLODED VIEW : BC1)
(Ref. No. of EXPLODED VIEW : BF6) INPUT P.W.B ASSY
POWER SW P.W.B ASSY (Ref. No. of EXPLODED VIEW : BI1)
(Ref. No. of EXPLODED VIEW : BF7)
ENCORDER P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BF8)
TUNER PACK
(Ref. No. of EXPLODED VIEW : PR1)
MAIN P.W.B ASSY
TRANS CHASSIS BACK SUB ASSY
(Ref. No. of EXPLODED VIEW : BM1)
Refer to "DISASSEMBLY
2CH P.W.B ASSY
5.CHASSIS BACK SUBASSY"
(Ref. No. of EXPLODED VIEW : B21)
and "EXPLODED VIEW"
TRANS CHASSIS BACK SUB ASSY
(Ref. No. of EXPLODED VIEW : W8) (Ref. No. of EXPLODED VIEW : C2)
SPEAKER P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BF5)
POWER P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BP1)
POWER SUPPLY P.W.B ASSY
(Ref. No. of EXPLODED VIEW : BP2)
and "EXPLODED VIEW"
VIDEO P.W.B ASSY
Refer to "DISASSEMBLY
6.VIDEO P.W.B ASSY"
and "EXPLODED VIEW"
INPUT / CPU P.W.B ASSY
Refer to "DISASSEMBLY
7.INPUT / CPU P.W.B ASSY"
and "EXPLODED VIEW"
MAIN P.W.B SUB ASSY
POWER P.W.B SUB ASSY
Refer to "DISASSEMBLY
9.POWER P.W.B SUB ASSY"
Refer to "DISASSEMBLY
8.MAIN P.W.B SUB ASSY"
and "EXPLODED VIEW"
TUNER PAC
K
Refer to "DISASSEMBLY
4.TUNER PACK"
and "EXPLODED VIEW"
and "EXPLODED VIEW"
3.SIRIUS P.W.B ASSY"
Refer to "DISASSEMBLY
SIRIUS P.W.B ASSY
and "EXPLODED VIEW"
2.HDMI P.W.B ASSY"
Refer to "DISASSEMBLY
HDMI P.W.B ASSY
and "EXPLODED VIEW"
Refer to "DISASSEMBLY
10.TRANS"
and "EXPLODED VIEW"
CABINET TOP
PANEL FRONT SUB ASSY
Refer to "DISASSEMBLY
1.PANEL FRONT SUB ASSY"
8
AVR-1909/789, AVC-1909
1. PANEL FRONT SUB ASSY
(1) Remove the screws.
(2) Disconnect the connector wires.
Front side
Picture B
Picture A
Picture C
Picture D
Top view
The viewpoint of each photograph
(photography direction)
proceeding : CABINET TOP PANEL FRONT SUB ASSY
Bottom view
CORD HOLDER : Loose
CP541
CP503
CP302
CN301
Top view
cut
9
AVR-1909/789, AVC-1909
(3) Disconnect the FFC cable.
(4) Remove the screw.
(5) Disconnect the connector wire.
CORD HOLDER : Loose
FFC CABLE
Picture C
Top view
Picture C
CN306
Please refer to "EXPLODED VIEW " for the disassembly method of each P.W.B included in PANEL FRONT SUB ASSY .
10
AVR-1909/789, AVC-1909
2. HDMI P.W.B.ASSY
(1) Remove the screws.
(2) Disconnect the connector wires and boards.
3. SIRIUS P.W.B ASSY
(1) Remove the screw.
proceeding : CABINET TOP HDMI P.W.B ASSY
Picture B
Picture B
HDMI P.W.B ASSY
Board to board
CP1007 CP1005
proceeding : CABINET TOP HDMI P.W.B ASSY SIRIUS P.W.B ASSY
Picture B
11
AVR-1909/789, AVC-1909
(2) Disconnect the connector wire.
4. TUNER PACK
(1) Disconnect the FFC cable
(2) Remove the screws.
SIRIUS ASSY
Top view
CP901
proceeding : CABINET TOP HDMI P.W.B ASSY SIRIUS P.W.B ASSY
TUNER PACK
Top view
FFC CABLE
Picture B
12
AVR-1909/789, AVC-1909
5. CHASSIS BACK SUB ASSY
(1) Disconnect the connector wires.
(2) Remove the screws.
proceeding : CABINET TOP HDMI P.W.B ASSY SIRIUS P.W.B ASSY
TUNER PACK CHASSIS BACK SUB ASSY
Top view
cut
CP103 CP101
CP102B CP103
SPEAKER P.W.B ASSY
ً
Picture B
Picture B
SPEAKER P.W.B. ASSY
Please refer to "EXPLODED VIEW " for the disassembly method of each P.W.B included in CHASSIS BACK SUB ASSY .
13
AVR-1909/789, AVC-1909
6. VIDEO P.W.B ASSY
(1) Disconnect the connector wires and boards.
7. INPUT / CPU P.W.B ASSY
(1) Disconnect the FFC cable.
proceeding : CABINET TOP HDMI P.W.B ASSY SIRIUS P.W.B ASSY
TUNER PACK CHASSIS BACK SUB ASSY
VIDEO P.W.B ASSY
VIDEO P.W.B ASSY
Picture D
Board to board
CP2010
SUPPORTER
CP2009CP2008Board to board
proceeding : CABINET TOP HDMI P.W.B ASSY SIRIUS P.W.B ASSY
TUNER PACK CHASSIS BACK SUB ASSY
VIDEO P.W.B ASSY INPUT / CPU P.W.B ASSY
FFC CABLE
Picture C
CPU P.W.B ASSY
14
AVR-1909/789, AVC-1909
(2) Disconnect the connector wires and boards.
CP514
Picture D
INPUT P.W.B ASSY
Board to board
Picture D
Board to board
INPUT P.W.B ASSY
CPU P.W.B ASSY
15
AVR-1909/789, AVC-1909
8. MAIN P.W.B SUB ASSY
9. POWER P.W.B SUB ASSY
(1) Disconnect the connector wires and boards.
proceeding : CABINET TOP HDMI P.W.B ASSY SIRIUS P.W.B ASSY
MAIN P.W.B SUB ASSY
TUNER PACK CHASSIS BACK SUB ASSY
VIDEO P.W.B ASSY INPUT / CPU P.W.B ASSY
Please refer to "EXPLODED VIEW " for the disassembly method of each P.W.B included in MAIN P.W.B ASSY .
proceeding : CABINET TOP HDMI P.W.B ASSY SIRIUS P.W.B ASSY
TUNER PACK CHASSIS BACK SUB ASSY
POWER P.W.B SUB ASSY
Picture C
cut cut
CP513 CP512
CP504
CP503CP501
Board to board
POWER P.W.B ASSY
POWER SUPPLY P.W.B ASSY
Please refer to "EXPLODED VIEW " for the disassembly method of each P.W.B included in POWER P.W.B SUB ASSY.
16
AVR-1909/789, AVC-1909
10. TRANS
(1) Disconnect the connector wires.
proceeding : CABINET TOP TRANS
CP104 CN305
CP302
Top view
CP2008
cut cut
CP513 CP512 CP501
Picture C
cut cut
Please refer to "EXPLODED VIEW " for the disassembly method of POWER TRANS.
17
AVR-1909/789, AVC-1909
CAUTION IN SERVICING
Initializing AV SURROUND RECEIVER/AM-
PLIFIER
AV SURROUND RECEIVER/AMPLIFIER initialization should
be performed when the µcom, peripheral parts of µcom, and
Digital P.W.B. are replaced.
1. Switch off the unit.
2. With the "INPUTMODE" and "SPEAKERS" buttons
pressed, press the "ON/OFF" button to turn the power on.
3. Check that the entire display is flashing with an interval of
about 1 second, and release your fingers from the 2 but-
tons and the microprocessor will be initialized.
JIG to use for servicing
When you repair the printing board, you can use the following
JIG (Extension cable kit). Please order to Denon Official Ser-
vice Distributor in your region if necessary.
00D SPK- 561 EXTENSION UNIT KIT : 1 Set
00D SPK- 562 9120 CONN. JOINT KIT : 1 Set
When you update the firmware, you can use the following
JIG (RS232C to internal connector conversion adapter with
8P cable kit ). Please order to Denon Official Service Distrib-
utor in your region if necessary.
00DSPK-581 WRITING UNIT : 1 Set
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 m+emorize your setting for re-
storing after the initialization.
ON/OFF SPEAKERS
INPUTMODE
18
AVR-1909/789, AVC-1909
Check mode for µcom/DSP version
µcom/DSP Version Display Mode
1. Operation specifications
µcom/DSP version display mode:
When started up, the version information is displayed.
Starting up:
E3, EA, JP model
With the "DYN VOL" and "VIDEO SELECT" buttons
pressed, press the "ON/OFF" button to turn the power on.
Now, press the "STATUS" button to the display the 2nd
item information on the FL Display.
E2 model
With the "DYN VOL" and "RDS" buttons pressed, press
the "ON/OFF" button to turn the power on.
Now, press the "STATUS" button to the display the 2nd
item information on the FL Display.
2. Display Order
Destination information Main-µcom version information
DSP version information
ON/OFF
VIDEO SELECT
DYN VOL
E3, EA, JP model
STATUS
STATUS
ON/OFF
RDS
DYN VOL
E2 model
19
AVR-1909/789, AVC-1909
PROCEDURE FOR CHECKING ERRORS
Displaying the protection history
1. Operation specifications
ERROR MODE(displaying the protection history)
When started up, the error information is displayed.
Starting up:
With the "MENU" and "MULTEQ" buttons pressed, press the "ON/OFF" button to turn the power on. The error (protection history dis-
play) mode is set.
Now, press the "STATUS" button to turn on the FL display.
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)
(2) For ASO/DC (when the last protection incident was ASO or DC protection)
(3) For THERMAL (when the last protection incident was THERMALprotection)
When the "STATUS" button is pressed again after the above protection history is displayed, the normal display reappears.
Upper P R O T E C T ISTORY
Lower : N O P R O T E C T
Upper P R O T E C T ISTORY
Lower : A S O / D C
Upper P R O T E C T ISTORY
Lower : T H E R M A L
ON/OFF MULTEQ ENTER
MENU
STATUS
PROTECT ISTORY
:NO PROTECT
PROTECT ISTORY
:ASO/DC
PROTECT ISTORY
:THERMAL
ON/OFF MULTEQ ENTER
MENU
STATUS
20
AVR-1909/789, AVC-1909
3. Clearing the protection history
There are two ways to clear the protection history, as described below.
(1) Start up the error (protection display) mode, display the error, then press and hold in the "ENTER" button for 3 seconds.
Press and hold in the "ENTER" button for 3 seconds
The above is displayed and the protection history is cleared.
(2) Initialize.
If you want to save a backup, use the method in 3.(1) above.
Warning indication by the STANDBY LED
If the power is turned off when a protection incident has been detected, the STANDBY LED (red) flashes as follows as warning ac-
cording 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)
Upper P R O T E C T ISTORY
Lower : T H E R M A L
Upper P R O T E C T ISTORY
Lower C L E A R
Upper P R O T E C T ISTORY
Lower : N O P R O T E C T
PROTECT ISTORY
:THERMAL
PROTECT ISTORY
CLEAR
PROTECT ISTORY
:NO PROTECT
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Denon AVC-1909 ユーザーマニュアル

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