Panasonic DMRES-18-EE, DMRES-18-GC, DMRES-18-GCA, DMRES-18-GCS Service manual

ORDER NO.CHM0808037CE

DVD Recorder

Model No.DMR-ES18EE

DMR-ES18GC DMR-ES18GCS DMR-ES18GCA

Vol. 1

Colour

(K).......................Black Type

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

CONTENTS

Page Page

1 Safety Precaution 3

1.1. General guidelines

2 Warning

2.1. Prevention of Electrostatic Discharge (ESD) to

Electrostatic Sensitive (ES) Devices

2.2. Precaution of Laser Diode

2.3. Service caution based on legal restrictions

3 Service Navigation

3.1. Service Information

3.2. Caution for DivX

4 Specifications

5 Location of Controls and Components

6 Operation Instructions

6.1. Taking out the Disc from DVD-Drive Unit when the Disc

cannot be ejected by OPEN/CLOSE button

7 Service Mode

7.1. Self-Diagnosis and Special Mode Setting

8 Service Fixture & Tools

9 Disassembly and Assembly Instructions

9.1. Disassembly Flow Chart

9.2. P.C.B. Positions

9.3. Top Case

9.4. Front Panel

9.5. Front (L) P.C.B., Front (R) P.C.B.

9.6. RAM/Digital P.C.B. Module

9.7. DV P.C.B.

9.8. Rear Panel, Fan Motor

9.9. Power P.C.B.

9.10. Main P.C.B., SW P.C.B.

10 Measurements and Adjustments

10.1. Service Positions

10.2. Caution for Replacing Parts

10.3. Standard Inspection Specifications after Making Repairs

11 Block Diagram

11.1. Power Supply Block Diagram

11.2. Analog Video Block Diagram

11.3. Analog Audio Block Diagram

11.4. Analog Timer Block Diagram

12 Schematic Diagram

12.1. Interconnection Schematic Diagram

12.2. Power Supply Schematic Diagram

12.3. Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic

Diagram (M)

12.4. Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic

Diagram (M)

12.5. Main Net (3/4) Section (Main P.C.B. (1/4)) Schematic

Diagram (M)

12.6. Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic

Diagram (M)

12.7. AV I/O (1/4) Section (Main P.C.B. (2/4)) Schematic

Diagram (AV)

12.8. AV I/O (2/4) Section (Main P.C.B. (2/4)) Schematic

Diagram (AV)

12.9. AV I/O (3/4) Section (Main P.C.B. (2/4)) Schematic

Diagram (AV)

12.10. AV I/O (4/4) Sectio n (Main P.C.B . (2/4)) Schem atic

Diagram (AV)

12.11. Tuner Section (Main P.C.B. (3/4)) Schematic Diagram

(TU)

12.12. Timer (1/4) Section (Main P.C.B . (4/4)) Schem atic

Diagram (T)

12.13. Timer (2/4) Section (Main P.C.B . (4/4)) Schem atic

Diagram (T)

12.14. Timer (3/4) Section (Main P.C.B . (4/4)) Schem atic

Diagram (T)

12.15. Timer (4/4) Section (Main P.C.B . (4/4)) Schem atic

Diagram (T)

12.16. DV Schematic Diagram

12.17. SW Schem atic Diagram

12.18. Front (L) Schematic Diagram

12.19. Front (R) Schem atic Diagram

13 Printed Circuit Board

13.1. Power P.C.B.

13.2. Main P.C.B.

13.3. Front (L) P.C.B., Front (R) P.C.B., SW P.C.B. and DV

P.C.B.

14 Appendix for Schematic Diagram

14.1. Voltage and Waveform Chart

15 Parts and Exploded Views

15.1. Exploded Views

15.2. Replacement Parts List

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

1 Safety Precaution

1.1. General guidelines

1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.

2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.

1.1.1. Leakage current cold check

1. Unplug the AC cord and connect a jumper between the two prongs on the plug.

2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the chassis, the reading should be between 1MW and 5.2MW.

When the exposed metal does not have a return path to the chassis, the reading must be

1.1.2. Leakage current hot check

(See Figure 1 .)

1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.

2. Connect a 1.5kW, 10 watts resistor, in parallel with a 0.15µF capacitors, between each exposed metallic part on the set and a good earth ground such as a water pipe, as shown in .

3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor.

4. Check each exposed metallic part, and measure the voltage at each point.

5. Reverse the AC plug in the AC outlet and repeat each of the above measurements.

6. The potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent) may be used to make the hot checks, leakage current must not exceed 1/2 milliampere. In case a measurement is outside of the limits specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is returned to the customer.

Figure 1

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

2 Warning

2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatic Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistor-sand semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by electrostatic discharge (ESD).

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your

body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap, which should be removed for potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as

aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static (ESD protected)" can

generate electrical charge sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most

replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material).

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material

to the chassis or circuit assembly into which the device will be installed.

Caution

Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the

brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device).

2.2. Precaution of Laser Diode

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

2.3. Service caution based on legal restrictions

2.3.1. General description about Lead Free Solder (PbF)

The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.

The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy mainly consists of tin (Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30 degrees C (86°F) more than that of the normal solder.

Definition of PCB Lead Free Solder being used

The letter of “PbF” is printed either foil side or components side on the PCB using the lead free solder. (See right figure)

Service caution for repair work using Lead Free Solder (PbF)

· The lead free solder has to be used when repairing the equipment for which the lead free solder is used.

(Definition: The letter of “PbF” is printed on the PCB using the lead free solder.)

· To put lead free solder, it should be well molten and mixed with the original lead free solder.

· Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC.

· Since the melting point of the lead free solder is higher than that of the normal lead solder, it takes the longer time to melt

the lead free solder.

· Use the soldering iron (more than 70W) equipped with the temperature control after setting the temperature at 350±30

degrees C (662±86°F).

Recommended Lead Free Solder (Service Parts Route.)

· The following 3 types of lead free solder are available through the service parts route.

RFKZ03D01K-----------(0.3mm 100g Reel)

RFKZ06D01K-----------(0.6mm 100g Reel)

RFKZ10D01K-----------(1.0mm 100g Reel)

Note

* Ingredient: tin (Sn), 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%

3 Service Navigation

3.1. Service Information

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

3.2. Caution for DivX

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

4 Specifications

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

5 Location of Controls and Components

Followings are the Location of Controls and Components for DMR-ES18GC/GCA/GCS as a sample.

For other model, refer to each Operation Instructions.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

6 Operation Instructions

6.1. Taking out the Disc from DVD-Drive Unit when the Disc cannot be ejected by OPEN/CLOSE button

6.1.1. Forcible Disc Eject

6.1.1.1. When the power can be turned off.

1. Turn off the power and press [STOP] [CH UP] keys on the front panel simultaneously for 5 seconds.

6.1.1.2. When the power can not be turned off.

1. Press [POWER] key on the front panel for over 10 seconds to turn off the power forcibly, and press [STOP] [CH UP] keys on

the front panel simultaneously for 5 seconds.

6.1.2. When the Forcible Disc Eject can not be done.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

1. Turn off the power and pull out AC cord.

2. Remove the Top Case.

3. Put deck so that bottom can be seen.

4. Remove the sheet of the bottom side.

5. Slide SLIDE CAM by Eject Pin (JZS0484) or minus screw driver (small) in the direction of arrow to eject tray slightly.

6. Put deck upward, and push out Tray by Eject Pin (JZS0484) or minus screw driver (small).

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

7. It is necessary to paste the Sheet again after ejection of the disc. Refer to the illustration of the Step 4 and below figure about the portion of pasting the Sheet.

Note:

Use the replacement parts (RMV0335) when the Sheet has not being stickability.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

7 Service Mode

7.1. Self-Diagnosis and Special Mode Setting

7.1.1. Self-Diagnosis Functions

Self-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error has occurred.

U**, H** and F** are stored in memory and held.

You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode.

Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.

Error Code Diagnosis contents Description Monitor Display Automatic FL display U30 Remote control code error Display appears when main unit and remote

U59 Abnormal inner temperature

detected

U61 The unit is carrying out its

recovery process.

controller codes are not matched.

Display appears when internal temperature of deck reaches limit temperature. The power is turned off forcibly. For 30 minutes after this, all key entries are disabled. (Fan motor operates at the highest speed for the first 5 minutes. For the remaining 25 minutes, fan motor is also stopped.) The event is saved in memory as well.

No display

“*” is remote controller code of the main unit. Display for 5 seconds.

No display

“U59 is displayed for 30 minutes.

No display

U88 The unit is carrying out its

U99 Hang-up Displayed when communication error has

H19 Inoperative fan motor When inoperative fan motor is detected after

F00 No error information Initial setting for error code in memory

F58 Drive hardware error When drive unit error is detected, the event is

F34 Initialization error when main

UNSUPPORTUnsupported disc error *An unsupported format disc was played,

recovery process.

microprocessor is started up for program recording

occurred between Main microprocessor and Timer microprocessor.

powered on, the power is turned off automatically. The event is saved in memory.

(Error code Initialization is possible with error code initialization and main unit initialization.)

saved in memory. When initialization error is detected after

starting up main microprocessor for program recording, the power is turned off automatically. The event is saved in memory.

although the drive starts normally. *The data format is not supported, although the media type is supported. *Exceptionally in case of the disc is dirty.

No display

Displayed is left until the [POWER] key is pressed.

No display No display

“This disc is incompatible.”

NO READ Disc read error *A disc is flawed or dirty.

*A poor quality failed to start. *The track information could not be read.

Display for 5 seconds.

“Cannot read. Please check the disc.”

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

Error Code Diagnosis contents Description Monitor Display Automatic FL display HARD

ERR

Drive error The drive detected a hard error. “DVD drive error.” Display for 5 seconds.

SELF CHECK

PLEASE WAIT

UNFORMATUnformatted disc error You have inserted an unformatted DVD-RAM

IR ERR IR communication error [IR ERR] is displayed when communication

No REC Recording is impossible [No REC] is displayed when recording is

Restoration operation Since the power cord fell out during a power

failure or operation, it is under restoration operation. *It will OK, if a display disappears automatically. If a display does not disappear, there is the possibility that defective Digital P.C.B. / RAM drive.

Unit is in termination process Unit is in termination process now.

“BYE” is displayed and power will be turned off. In case “Quick Start” of setup menu is ON, it is displayed in restoration operation for AC off.

or DVD-RW that is unformatted or recorded on other equipment.

between Timer microprocessor and IR microprocessor fails.

impossible due to the defect, dirt or wound of media.

No display

7.1.2. Special Modes Setting

Item FL display Key operation

Mode name Description Front Key

TEST Mode *All the main unit´s parameters (include tuner)

Rating password The audiovisual level setting password is

Service Mode Setting every kind of modes for servicing.

Forced disc eject Removing a disc that cannot be ejected.

Child lock/unlock Set or release “Child Lock”. Press [ENTER] and [RETURN] by

NTSC/PAL system select To switch PAL/NTSC alternately. The display before execution

are initialized.

initialized to “Level 8”.

*Details are described in “7.1.3. Service Mode at a glance”.

The tray will open and unit will shift to P-off mode. *When Timer REC is ON or EXT-LINK is ON, execute " Forced disc eject " after releasing Timer REC or EXT-LINK. *This command is not effective during "Child lock" is ON. While Demonstration Lock is being set, this Forced disc eject function is not accepted.

The display before execution leaves.

leaves.

Press [STOP], [CH UP] and [OPEN/CLOSE] keys simultaneously for five seconds when power is off.

Open the tray, set DRIVE SELECT to DVD, and press [REC] and [PLAY] simultaneously for 5 seconds.

When the power is off, press [CH UP], [OPEN/CLOSE] and [REC] keys simultaneously for 5 seconds.

When the power is off, press [STOP] and [CH UP] keys simultaneously for 5 seconds.

remote controller simultaneously until [X-HOLD] is displayed.

While the power is on (E-E mode), press [STOP] and [OPEN/CLOSE] simultaneously for 5 seconds.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

Item FL display Key operation

Mode name Description Front Key

Forced power-off When the power button is not effective while

power is ON, turn off the power forcibly. *When Timer REC is ON or EXT-LINK is ON, execute “Forced Power-off” after releasing Timer REC or EXT-LINK.

Aging Perform sequence of modes as * Aging

Description shown below continually.

Aging Contents (Example):

Display in P-off mode. Press [Power] key over than 10

seconds.

Display following the then mode. When the power is ON, press

[STOP], [POWER] and [OPEN/CLOSE] simultaneously for over 5 seconds and less than 10 seconds.

NOTE1:

If Unit has not turned into Aging mode by operations shown above, execute TEST MODE once and reexecute operation shown above. (*All the main unit’s parameters include tuner are initialized by TEST mode.)

NOTE2:

If the unit has hung-up because of pressing keys for over 10 seconds, once turn off the power, and reexecute this command. *When releasing Aging mode, press [POWER] key.

Demonstration lock/unlock

ATP re-execution Re-execute ATP. Display at ATP executing. When the power is on (E-E mode),

Progressive initialization The progressive setting is initialized to

Ejection of the disc is prohibited. The lock setting is effective until unlocking the tray and not released by “Main unit initialization” of service mode.

Interlace.

*When lock the tray.

“LOCK” is displayed for 3 seconds.

*When unlock the tray.

“UNLOCK” is displayed for 3 seconds.

*When press OPEN/CLOSE key while the tray being locked.

Display “LOCK” for 3 seconds.

The display before execution leaves.

When the power is on, press [STOP] and [POWER] keys simultaneously for 5 seconds in the condition that a disc in the tray.

NOTE:

Time difference between pressing [STOP] and [POWER] should be within 0.5 sec.

When the power is on, press [STOP] and [POWER] keys simultaneously for 5 seconds while the tray being locked.

NOTE:

Time difference between pressing [STOP] and [POWER] should be within 0.5 sec.

Press [OPEN/CLOSE] key while the tray being locked.

press [CH UP] and [CH DOWN] simultaneously for 5 seconds.

When the power is on (E-E mode), press [STOP] and [PLAY] simultaneously for 5 seconds.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

7.1.3. Service Modes at a glance

Service mode setting: While the power is off, press REC, CH UP and OPEN / CLOSE simultaneously for five seconds.

Item FL display Key operation

Mode name Description (Remote controller key)

Release Items Item of Service Mode executing is cancelled. Press [0] [0] or [Return] in service

mode.

Error Code Display Last Error Code of U/H/F held by Timer is

displayed on FL. *Details are described in “7.1.1. Self-

Diagnosis Functions”.

ROM Version Display 1. Region code (displayed for 5 sec.)

2. Main firm version (displayed for 5 sec.)

3. Timer firm version (displayed for 5 sec.)

4. Drive firm version (displayed for 5 sec.)

5. ROM correction version (displayed for 5 sec.)

Press [0] [1] in service mode

If any error history does not exist, [F00] is displayed.

Press [0] [2] in service mode

White Picture Output White picture is output as component Output

Magenta Picture Output Magenta picture is output with Component

RTSC Return in XP (A & V)

from AV Decoder. *White picture (Saturation rate : 100%) *It is enable to switch Interlace/Progressive by “I/P switch: [1] [4]”

Output from AV Decoder. *Magenta picture (Saturation rate: 100%) *It is enable to switch Interlace/Progressive by “I/P switch: [1] [4]”

AV1 input signal is encoded (XP), decoded (XP) and output decoded signal to external without DISC recording and DISC playback.

*Initial mode is “Interlace”. Press [1] [1] in service mode.

Switch Interlace/Progressive Press [1] [4] in White Picture Output

*Initial mode is “Interlace”. Press [1] [2] in service mode.

Switch Interlace/Progressive Press [1] [4] in Magenta Picture

Initial mode: EE2/ Interlace/ XP/ Audio 48kHz

Switch Interlace/Progressive Press [1] [4] in RTSC Return XP

Audio 44.1 kHz/ 48 kHz Switch Press [2] [4] in RTSC Return XP

mode. *I/P are switched alternately.

Output mode. *I/P are switched alternately.

Press [1] [3] in service mode.

mode. *I/P are switched alternately.

mode. *48 kHz / 44.1 kHz are switched alternately.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

Item FL display Key operation

Mode name Description (Remote controller key)

I/P Switch Switch Interlace and Progressive in EE mode.

*Initial setting is “Interlace”. *This command is effective during executing “White Picture Output”, “Magenta Picture Output” and “RTSC Return in XP (A & V)” modes.

Initial mode is Interlace

Switch Interlace/Progressive

Press [1] [4] in I/P Switch mode. *I/P are switched alternately.

Audio Mute (XTMUTE) Check whether mute is applied normally by

the timer microprocessor.

Audio Mute (XDMUTE) Check whether mute is applied normally by

the Digital P.C.B.

Audio Pattern Output The audio pattern stored in the internal

memory is output (Lch: 1kHz/-18dB) (Rch: 400Hz/-18dB) *Audio sound clock switching operation of DAC can be confirmed by sub command [2] [4].

Laser Used Time

Check laser used time (hours) of drive.

Indication

RAM Drive Last Error RAM Drive error code display.

*For details about the drive error code, refer to the Service Manual for the specific RAM Drive.

Press [2] [1] in service mode.

Press [2] [2] in service mode.

Initial mode (Audio 48kHz) Press [2] [3] in service mode.

Audio 44.1kHz/48kHz switching Press [2] [4] in Audio Pattern Output

mode. *48 kHz / 44.1 kHz are switched alternately.

Press [4] [1] in service mode.

l(*****) is the used time display in hour. lLaser used time of DVD/ CD in Playback/Recording mode is counted.

1. Error Number is displayed for 5 seconds.

Press [4] [2] in service mode. When “INFO******” is being displayed, past 19 error histories can be displayed by pressing [0] [1]

- [1] [9]

2. Time when the error has occurred is displayed for 5 seconds.

DD: Day hh: Hour mm: Minute

3. Last Drive Error (1/2) is displayed for 5 seconds.

4. Last Drive Error (2/2) is displayed for 5 seconds.

5. Error occurring Disc type is displayed for 5 seconds.

6. Disc Maker ID is displayed for 5 seconds.

7. Factor of Drive Error occurring is left displayed

In case that the maker cannot be identified, display is black out.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

Item FL display Key operation

Mode name Description (Remote controller key)

Laser power confirmation Drive state is judged based on difference

between laser power value at shipping and present laser power value.

1. into RAM Drive in service mode. (Other media are assumed to be noncorrespondence.)

2. Press [4] [4].

If DVD-RAM disc in not inserted, [NO DISC] is displayed. If power value study was filed, [ERROR] is displayed.

Turn on all FL/LEDs All segments of FL and all LEDs are turned

All segments are turned on. Press [5] [1] in service mode.

on.

PB HIGH Signal Output 8 pin of AV 1 Jack (PB HIGH terminal) is High

Press [5] [2] in service mode.

(approx. 11V DC).

PB MIDDLE Signal Output

Front connection inspection

8 pin of AV 1 Jack (PB HIGH terminal) is Middle (approx. 5.5V DC)

Press all front keys and check the connection between Main P.C.B. and Front key Switches.

Production Date Display Display the date when the unit was produced.

Display the accumulated

Display the accumulated unit´s working time.

working time

Press [5] [3] in service mode.

Press [5] [4] in service mode.

(1) Each time a key is pressed, segment turned on increases one by one. (2) Total umber of keys that have been pressed.

Press [6] [1] in service mode.

YY: Year MM: Month DD: Day

Press [6] [4] in service mode.

(Indicating unit: Second)

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

Item FL display Key operation

Mode name Description (Remote controller key)

Display the Error History Display the Error History stored on the unit. Display reason of error for 5

seconds.

01: Defect of Digital P.C.B. (AV DEC / MAIN CPU) 02: Defect of RAM Drive. 03: Defect of Disc. 04: Defect of Digital P.C.B. or Communication Error. 05: Defect of Digital P.C.B. (AV DEC / MAIN CPU) 06: Defect of HDD.

Display the time when the error has occurred for 5 seconds.

Press [6] [5] in service mode. Then press [0] [1] ~ [9] [9], the past 99 error histories are displayed.

AV4(V)/AV1(RGB) I/O Setting

AV2(Y/C)/AV1(V) I/O Setting

AV2(V)/AV1(Y/C) I/O Setting

AV2(RGB)/AV1(V) I/O Setting

Set input to AV4 (V) and set output to AV1 (RGB) for I/O checking

Set input to AV2 (Y/C) and set output to AV1 (V) for I/O checking

Set input to AV2 (V) and set output to AV1 (Y/C) for I/O checking

Set input to AV2 (RGB) and set output to AV1 (V) for I/O checking

P50(H) Output Timer Microprocessor IC7501-76 output High

signal for AV1-pin 10 passing through inverter (approx. 0V DC at AV1-pin 10).

DD: Day hh: Hour mm: Minute Accumulated working time till occurring of the error is left displayed.

(Indicating unit: Second)

When OK.

When NG.

Press [8] [0] in service mode.

Press [8] [1] in service mode.

Press [8] [2] in service mode.

Press [8] [3] in service mode.

Press [8] [4] in service mode.

P50(L) Output Timer Microprocessor IC7501-76 output Low

signal for AV1-pin 10 passing through inverter (approx. 4.4V DC at AV1-pin 10).

Tray OPEN/CLOSE Test The tray is opened and closed repeatedly.

When OK.

When NG.

“*” is number of open/close cycle times.

Press [8] [5] in service mode.

Press [9] [1] in service mode *When releasing this mode, press the [POWER] button of Remote Controller more than 10 seconds.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

Item FL display Key operation

Mode name Description (Remote controller key)

Delete the Laser Used Time

Laser used time stored in the memory of the unit is deleted.

Press [9] [5] in service mode.

Delete the Last Drive Error

Delete the Error History Delete Error History information stored on the

Delete the Last Drive Error information stored on the DVD RAM-Drive.

Press [9] [6] in service mode.

Press [9] [7] in service mode.

unit.

Error code initialization Initialization of the last error code held by

Press [9] [8] in service mode.

timer (Write in F00)

Initialize Service Last Drive Error, Error history and Error

Press [9] [9] in service mode. Codes stored on the unit are initialized to factory setting.

Finishing service mode Release Service Mode. Display in STOP (E-E) mode. Press power button on the front

panel or Remote controller in

service mode.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

8 Service Fixture & Tools

Part Number Description Compatibility

RFKZ0260 Extension Cable (Main P.C.B. - RAM/Digital P.C.B. Module/ 88 Pin) Same as EH50 Series RFKZ0327 Extension Cable (Main P.C.B. - Power P.C.B./ 15 Pin) Same as E55 Series RFKZ0168 Extension Cable (Main P.C.B. - Fan Motor/ 3 Pin) Same as E50/ E55 Series RFKZ0367 Extension Cable (Main P.C.B. - Front (R) P.C.B. / 6 Pin) Same as EH75V Series RFKZ0367 Extension Cable (SW P.C.B. - Front (L) P.C.B. / 6 Pin) Same as EH75V Series JZS0484 Eject Pin Same as E50 Series RFKZ03D01K Lead Free Solder (0.3mm/100g Reel) Same as EH55 Series RFKZ06D01K Lead Free Solder (0.6mm/100g Reel) Same as EH55 Series RFKZ10D01K Lead Free Solder (1.0mm/100g Reel) Same as EH55 Series RFKZ0316 Solder Remover (Lead free low temperature Solder/50g) Same as EH55 Series RFKZ0328 Flux Same as EH55 Series

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

9 Disassembly and Assembly Instructions

9.1. Disassembly Flow Chart

The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing.

To assemble the unit, reverse the steps shown in the chart below.

DMR-ES18EE / DMR-ES18GC / DMR-ES18GCS / DMR-ES18GCA

9.2. P.C.B. Positions

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