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.
Denon Brand Company, D&M Holdings lnc.
●
本機の仕様は性能改良のため、予告なく変更すること
があります。
●
補修用性能部品の保有期間は、製造打切後 8 年です。
●
修理の際は、必ず取扱説明書を参照の上、作業を行っ
てください。
●
本文中に使用しているイラストは、説明の都合上現物
と多少異なる場合があります。
TOKYO, JAPAN
X0335 V.03 DE/CDM 0801
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.
LASER RADIATION
Do not stare into beam or view directly with optical instruments, class 3A laser product.
S-302
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 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 inter-
nal 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)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 resistance, voltage resistance, etc.). For replacement parts, be
sure to use parts which have the same properties. In particular, for the important safety parts that are marked ! 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 reasons, 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 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 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 insulation
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 insulation resistance between the terminals of the power plug and the externally exposed metal parts (antenna terminal, headphones
terminal, microphone terminal, input terminal, etc.) is 1MΩ or
greater. If it is less, the set must be inspected and repaired.
CAUTION
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 preserved. 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 ! mark.
(2) Parts lists ... Indicated by the ! mark.
Concerning important safety parts
Using parts other than the designated parts
could result in electric shock, fires or other
dangerous situations.
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.
1. ADV-S302
① Fasten the CX31 3P connector cord to the circuit board with
a style pin.
② Fasten the CX33 3P connector cord and CY072 7P connec-
tor cord to the circuit board with a style pin and clamp band.
③ Pass the CY211 FFC through the protect sheet.
④ Pass the CW052 5P connector cord through the protect
sheet.
⑤ Fasten the CW051 5P connector cord and CW052 5P
connector cord to the circuit board with a cord holder.
※ Attach the anti-slip pads as shown on the diagram below.
Press firmly so they do not peel off subsequently.
● Speaker stand
2mm
2mm
すべり止めの貼りかた
※ 下図のように、すべり止めを貼り付けます。
後から剥がれないよう、充分に押し付けてください。
● スピーカースタンド
● Wall bracket
● 壁掛けブラケット
3mm
3mm
14
S-302
DIAGNOSTICS OF OPTICAL PICKUP
AND REPLACING TRAVERSE UNIT
Make failure diagnostics of the Optical Pickup as follows.
If the laser drive current (Iop) becomes more than 1.5 times of
the initial value, the Optical Pickup should be replaced.
The laser drive current initial value is checked by "Iop checked
Method" of next page.
In case of replacing the Pickup, change the whole part of the
Traverse Unit.
No mechanical adjustment is necessary after the replacement.
Laser drive current (Iop) check
HF wave form check
(Refer to WAVE FORMS)
Present value exceeds the initial value by 1.5 times
Traverse Unit replacing
ディスクを読み込まない
スムーズに再生しない、等
レーザー駆動電流 Iop 値の確認
HF 波形の確認
(WAVEFORMS参照)
現在値が初期値の
1.5 倍になっている
トラバースユニット交換
Laser current (Iop) memorizing after replacement
交換後にレーザー電流値の記憶
15
S-302
1. Iop checked Method
Select the laser ON/OFF (CD/DVD) mode of the test mode,
and check the lop value of DVD laser or CD laser.
(See page 21 for test mode.)
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T2L a s e r O n O f f
1.1. DVD laser current check
(1) Press the SKIP or button to display the la-
ser current value, and then select T22.
(2) Press the PLAY button and check the current value of
Iop (nnnn).
(Use the disc TDV-520)
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T22―mmmm―nnnn
( − : Off, DVD laser, Initial value: mm.mm [mA],
Current value: nn.nn [mA])
1.2. CD Laser current check
(1) Press the or button to display the laser
current value, and then select T21.
(2) Press the PLAY button and check the current value of
Iop (nnnn).
(Use the disc TCD-784)
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T2 1 ―mmmm―nnnn
( − : Off, CD laser, Initial value: mm.mm [mA],
Current value: nn.nn [mA])
d
d
1. Iop 値の確認方法
レーザー駆動電流を確認する場合は、テストモードのレー
ザー ON/OFF(CD/DVD) モードを選択して、DVD レーザー
または CD レーザーの lop 値を確認します。
(詳細は 21 ページ、テストモード参照)
FL 管の表示 (13 桁の表示部 )
12345678910111213
T2L a s e r O n O f f
1.1. DVD レーザー電流確認
(1) レーザー電流値を表示する場合は、ボタンまたは
ボタンを押し、T22 を選択します。
(2) PLAYボタンを押して、現在のlop値(nnnn)を確認します。
(Disc は TDV-520 を使用 )
FL 管の表示 (13 桁の表示部 )
12345678910111213
T22―mmmm―nnnn
( −:消灯、DVD レーザー、初期値:mm.mm[mA],
現在値:nn.nn[mA])
1.2. CD レーザー電流確認
(1) レーザー電流値を表示する場合は、ボタンまたは
ボタンを押し、T21 を選択します。
(2) PLAYボタンを押して、現在のlop値(nnnn)を確認します。
(Disc は TCD-784 を使用 )
FL 管の表示 (13 桁の表示部 )
12345678910111213
T2 1 ―mmmm―nnnn
( −:消灯、CD レーザー、初期値:mm.mm[mA],
現在値:nn.nn[mA])
d
d
2. Note for Handling the Laser Pick-Up
The protection for the damage of laser diode.
If you want to change the optical device unit from any other
units, you must keep the following.
(1) It should be done at the desk already took measures the
static electricity in care of removing the OPU's (Optical
device unit) connector cable.
(2) Workers should be put on the "Earth Band".
(3) It should be done to add the solder to the short land to
prevent the broken Laser diode before removing the 24P
FFC cable.
(4) Don't touch OPU's connector parts carelessly.
3. Replacement of the Laser Pick-up
(Traverse Unit)
Check the Iop (Laser drive current)
If the present Iop (current) value exceeds.+150% of the initial value, replace the Traverse unit (Laser Pick-up) with a
new one.
4. Rewriting the default value of the laser
current
To rewrite the default value of the laser current, press the
button for at least 5 seconds while the CD or DVD laser
current is displayed, then press the or button
to select T23. (For details, see "Iop checked Method" on
page 22.)
If the button is pressed while T23 is displayed, the current value is displayed at "mmmm" and stored in the EEPROM.
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T23 ―mmmm―――――
5. Resetting the accumulated laser on time
To clear the accumulated laser on time, press the button
while the accumulated laser on time is displayed (TB1, TB2
: For details, see "Test Mode" on page 22.) until " * " appears at the fourth position, then press the or
button to select TB3.
If the button is pressed while TB3 is displayed, the accumulated laser on time of CD and DVD is cleared.
When TB1 or TB2 is selected with the or button, "nnnnnnn" is displayed as 0 so you can check.
(2) Unit setting: No spec other than the following procedure.
2.2. Procedure
● SYSTEM
※ This initializes the data for the function, volume, DVD mechanism, etc.
(1) When the ON/STANDBY button is pressed to turn the set on while pressing the main unit's FUNCTION and buttons
simultaneously, the initialization mode is set.
(2) The standby indicator lights yellow and "INITIALIZE" is displayed on the fluorescent display tube.
(If you set the button free, the LED indicator lights blue.)
(3) Once the entire initialization procedure has been completed, the set is in the normal mode with the power turned on.
d
● DVD
※ This initializes the data for the DVD mechanism.
(1) With the power on, set the function to DVD, and in the playback stopped mode, press the and buttons simultaneously
for at least 2 seconds to set the DVD initialization mode.
(2) "INITIALIZE" is displayed on the fluorescent display tube about 0.5 seconds.
d
3. µcom Firm Check Mode
3.1. Preparation
(1) Equipment used: None
(2) Unit setting: No spec other than the following procedure.
3.2. Procedure
※ Use this to display the version information, etc.
(1) When the STANDBY mode, the FUNCTION, the and the ON/STANDBY button are simultaneously pressed. Afterwards,
when the power supply of the set is turned on pressing the ON/STANDBY button, the system check mode is set.
(2) Press the STATUS button on the remote control unit to display the following information, in this order: System microprocessor
version → Date of system microprocessor version updating → ESS version → Date of ESS version updating → drive microprocessor version of DVD mechanism → M850 version → Region code.
(3) Unplug AC cord to clear this mode.
NOTE) The DVD mechanism driver version and ESS version are not displayed un less the function is once set to DVD.
2. イニシャルモード
2.1. 準備
(1) 使用機器:無
(2) 本体設定:下記手順以外規定無。
2.2. 手順
● システム
※ ファンクション、VOL 等および DVD メカのバックアップデータの初期化をおこなう。
(1) 本体 FUNCTION ボタンとボタンを同時に押しながら、ON/STANDY ボタンを押してセットの電源を入れるとイニシャ
ルモードが設定される。
(2) スタンバイ LED が黄色に点灯し、FL 管にINITIALIZEが表示される。
( ボタンを離すと LED は青色点灯になる )
(3) 全ての初期化完了後、通常モードの電源 ON の状態になる。
d
●DVD
※ DVD のみのバックアップデータの初期化をおこなう。
(1) 電源 ON 時にファンクッションを DVD にし再生停止状態で、 ボタンとボタンを 2 秒以上同時に押し続けると、
DVD 初期化モードが設定される。
(2) FL 管にINITIALIZEが 0.5 秒程表示される。
d
3. マイコンファームチェックモード
3.1. 準備
(1) 使用機器:無
(2) 本体設定:下記手順以外規定無。
3.2. 手順
※ バージョン表示等をおこなう。
(1) STANDBY 時に本体 FUNCTION ボタン、ボタンと ON/STANDBY ボタンを同時に押す。その後、ON/STANDBY ボタンを
押してセットの電源を入れると、システムチェックモードが設定される。
(2) リモコンの STATUS ボタンを押すと、システムマイコンのバージョン→システムマイコンのバージョンアップ日→ ESS の
バージョン→ ESS のバージョンアップ日→ DVD メカのドライブマイコンのバージョン→ DM850 のバージョン→リージョ
ンコードの順に表示される。
(3) AC コードを抜くことにより、システムチェックモードを解除する。
注 ) DVD メカのドライブバージョン、ESS のバージョンの表示については、一度ファンクッションを DVD にしないと表示
されない。
20
S-302
4. Test mode
4.1. Entering the test mode
To enter the test mode, press the and buttons simultaneously while in the Aging mode. Not insert the disc.
(The Aging mode is entered by pressing the and buttons simultaneously to turn on the AC power.
When the Aging mode is set, the and indicators light.)
With the mode selected, press the button to set that mode.
① In the laser on/off (CD/DVD) mode, laser on/off control is executed and the laser current is displayed.
Press the or button to switch the CD/DVD (T21, T22, T21. .).
To save the current laser current value, press and hold in the button for at least 5 seconds to turn off the "mmmm" section
of the display, then press the or button and select T23. When the button is pressed while T23 is displayed, the
data is displayed in the "mmmm" section.
For the CD laser
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T21―mmmm―nnnn
( − : Off, CD laser, Stored data: mm.mm [mA], Current value: nn.nn [mA])
For the DVD laser
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T22―mmmm―nnnn
( − : Off, DVD laser, Stored data: mm.mm [mA], Current value: nn.nn [mA])
② In the servo adjustment value display mode (See "Table 1 - Servo adjustment value display mode details")
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T X X −−−−−−nnnn
(XX : Selection mode, n : Adjustment value (HEX))
③ In the trace mode (error rate display), select the trace of the innermost circumference of 1 layer.
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T71FFFFFFFFFF
(F : When address and error rate not set, F is displayed.)
④ Displaying the accumulated laser on time (stored in the EEPROM)
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T B Y―――nnnnnnn
(Y : 1:CD, 2:DVD, nnnnn: Time [h])
※ Fractions of hours are counted up one hour on the display.
Changes within modes are made by pressing the and buttons while the mode is set.
① In the laser on/off (CD/DVD) mode, laser on/off control is executed and the laser current is displayed.
For the CD laser
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T21―mmmm―nnnn
( − : Off, CD laser, Stored data: mm.mm [mA], Current value: nn.nn [mA])
For the DVD laser
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T22―mmmm―nnnn
( − : Off, DVD laser, mm.mm [mA], nn.nn [mA])
When there is no saved data (for the DVD laser)
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T2 2 ――――――nnnn
( − : Off, DVD laser, nn.nn [mA])
To store the current value, press the button for " * " appears at the fourth position, then press the or button to
select T23.
If the button is pressed while T23 is displayed, the current value is displayed at "mmmm" and stored in the EEPROM.
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T2 3 ―mmmm―nnnn
( − : Off, DVD laser, nn.nn [mA])
If the current value is over 100 mA, the 4th and 9th digit sections are used.
② In the servo adjustment value display mode (See "Table 1 - Servo adjustment value display mode details")
FLDisplay(Thedisplaypartof13digits)
12345678910111213
TXX――nnnnnnnn
(XX : Selection mode, n: Adjustment value (HEX))
For the adjustment values, 0's are added in front of the effective number of bytes.
(Ex.: If the value is 0x123 for 4-byte data, "00 00 01 23" is displayed.)
⑤ In the trace mode (error rate display) (See "Table 2 - Trace mode details")
FLDisplay(Thedisplaypartof13digits)
12345678910111213
TYYFFFFFFFFFF
(YY : Selection mode [71 to 94], F: When address and error rate not set, F is displayed.)
⑥ In the accumulated laser on time display
FLDisplay(Thedisplaypartof13digits)
12345678910111213
T B Y―――nnnnnnn
(Y : 1: CD, 2: DVD, nnnnnnn: Time [h]) ※ If the current value is over 100 mA, the 4th and 9th digit sections are used.
To clear the accumulated laser on time, press the button while the accumulated laser on time is displayed (TB1, TB2) until
" * " appears at the fourth position, then press the or button to select TB3.
If the PLAY button is pressed while TB3 is displayed, the accumulated laser on time of CD and DVD is cleared.
When TB1 or TB2 is selected with the or button, "nnnnnnn" is displayed as 0 so you can check.
(Y:1:CD,2:DVD、nnnnnn: 時間 [h]) ※ 1 時間未満は切り上げて表示する。
レーザー ON 累積時間をクリアする場合、レーザー ON 累積時間表示時 (TB1、TB2) のとき、 ボタンを 4 桁目に*が表
示されるまで押し、ボタンまたはボタンを押し、TB3 を表示させる。TB3 表示時にボタンを押すと CD および
DVD レーザー ON 累積時間をクリアする。ボタンまたはボタンを押して、TB1 または TB2 を選択すると、
nnnnnn 部が 0 表示になり確認できる。
23
S-302
4.5. Execution of trace mode (error rate display) (See "Table 2 - Trace mode details")
Trace will be performed if the button is pushed after choosing operation.
FLDisplay(Thedisplaypartof13digits)
12345678910111213
TYYmmmmmmllll
(YY : selection mode [71 to 94], m : address [PBA][HEX], l : error rate [COUNT/SEC] [HEX])
Note) CD : Error rate of 75 frames is displayed (1 second).
DVD : Error rate of 8ECC block is displayed.
The mode chosen when selection mode was changed into the trace execution and the button was pushed is performed
from the beginning.
When the button is pushed without changing selection mode, the mode under selection is performed from the beginning.
(If the button is pushed, the address corresponding to the chosen mode will be searched again.)
The pause mode is set after tracing is completed.
4.6. Other operations
① When the button is pressed, the mode returns to the previously selected mode.
T33fcga016bitsCD/DVD L0 layer focus Loop Gain adjust-
T34tkga016bitsCD/DVD L0 layer tracking Loop Gain
T35Fbal116bits DVD L1 layer focus balance adjustment
T36Tbal116bits DVD L1 layer tracking balance adjustment
T37Fcga116bits DVD L1 layer focus Loop Gain adjustment
T38Tkga116bits DVD L1 layer tracking Loop Gain adjust-
T39Asoffs16bits AS signal Offset valueUpper 10 bit is valid
T40 Envoffse16bits ENV signal Offset adjustment valueUpper 10 bit is valid
T41Foffse16bits FE signal Offset adjustment valueUpper 10 bit is valid
T42Teoffse16bitsTE signal Offset adjustment valueUpper 10 bit is valid
T43RFfc8bitsRF signal frequency adjustment value
T44RFbst8bitsRF signal Boost adjustment value
T45RFgdl8bits
T46RFgdh8bits
ment value
ment value
ment value
adjustment value
value
value
value
ment value
RF signal low range group delay adjust-
ment value
RF signal high range group delay adjust-
ment value
FBAL range: 0x8000 < FBAL < 0x7FC0(Center:0x0000)
TBAL range: 0x0000 < TBAL < 0x003F
1x for 0x100 [0x200 (2x) set to Typ.
(1x for 0x100, 2x for 0x200. Y/0x100 ratio calculation.)
Adjustment value 0x200 sets so that gain crossover reaches target.
1x for 0x100 [0x200 (2x) set to Typ.
(1x for 0x100, 2x for 0x200. Y/0x100 ratio calculation.)
Adjustment value 0x202 sets so that gain crossover reaches target.
FBAL range: 0x8000 < FBAL < 0x7FC0(Center:0x0000)
TBAL range: 0x0000 < TBAL < 0x003F
1x for 0x100 [0x200 (2x) set to Typ.
(1x for 0x100, 2x for 0x200. Y/0x100 ratio calculation.)
Adjustment value 0x200 sets so that gain crossover reaches target.
1x for 0x100 [0x200 (2x) set to Typ.
(1x for 0x100, 2x for 0x200. Y/0x100 ratio calculation.)
Adjustment value 0x202 sets so that gain crossover reaches target.
-HB=-35V±3䌖䊶T201 on MAIN UNIT.-HB=-35V±3V・ MAINUNI
O.K.
Check Data Bus between
1U-3810-1(DISPLAY CENTER UNIT)1U-3810-1(DISPLAYCENTERUNIT)
FLD Driver(1U-3810-4(IC201)]N.G(1) Check soldering of CX211 on MAIN UNIT.FLDDriver(1U-3810-4(IC201)]N.G(1) MAINUNI
䊶 [FL_RST]:"H"level?(2) 1U-3810-1 is N.G.(No Good).・ [FLRST]:"H"level?(2) 1U-3810-1 の不
O.K.
Continue to next step.
Check the Set-up process of SUB μ-COM.(2)SUBμ-COM
のステップへ
認
スの確認
.
.
.
チェック工程へ
認
のT201
のCX211の半田
認
26
S-302
サブ
立ち上
が
程
半田付
けを
確
T
O.K
T
信号の確
半田付
けを
確
T
O.K
発振波形確
半田付
けを
確
T
O.K
T
信号の確
半田付
けを
確
T
O.K
次
/
立ち上
げ
(2) Check the Set-up process of SUB μ-COM(2)
Check Power Supply Voltages.電源電圧確認
1U-3808-1(MAIN UNIT)1U-3808-1(MAINUNIT)
・ short-circuit?
Check the Emission of Pick-up.(2) Check the circumference soldering of TR603(1) P.U.の
IU-3807(FEP UNIT)and TR604.Pic
・ Emission of P.U. laser O.K.?N.G(3) Check connector insertion.IU-3807(FEPUNIT)N.G(3) コ
・ The test mode "T2" is executed.・ [P.U.]-[IU-3807] FFC(CX241)・ P.U.レー
Laser current O.K.?(4) Check the soldering [IC601] and circumference・テス
Check Digital Audio Data outputCheck Soldering.DSP
from DSP to PLD/CODECN.G・ [IC401]:137,143,133,135pin
1U-3808(MAIN UNIT)・ RR169,168,173,1711U-3808(MAINUNIT)・ RR169,168,173,171
・ [IC401]output and [IC503]input:・ [IC503]:64,61pin・ [IC401]