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e Ver. 5
Please refer to the
MODIFICATION NOTICE.
SERVICE MANUAL
MODEL JP E3 E2 E1 E1C EUT
DBT-3313UDCI
DBT-3313UD
UNIVERSAL AUDIO/VIDEO PLAYER
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.
e
D&M Holdings Inc.
S0693-1V05DM/DG1305 Copyright 2013 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
CONTENTS
SAFETY PRECAUTIONS ..........................................................3 TROUBLE SHOOTING ............................................................37
NOTE FOR SCHEMATIC DIAGRAM.........................................4 1. Power (Power Board) ..........................................................37
NOTE FOR PARTS LIST ...........................................................4 2. LED blinking ........................................................................38
WARNING AND LASER SAFETY INSTRUCTIONS .................5 3. Power board ........................................................................38
INSTRUCTIONS FOR HANDLING SEMI-CONDUCTORS 4. DISPLAY (Display Board)....................................................39
AND OPTICAL UNIT..................................................................6 5. HDMI ...................................................................................40
1. Ground for Human Body .......................................................6 6. Network ...............................................................................40
2. Ground for Workbench ..........................................................6 7. USB .....................................................................................41
8. No Audio output ...................................................................42
TECHNICAL SPECIFICATIONS ................................................7
9. Disc playback error .............................................................43
DIMENSION ...............................................................................7
BLOCK DIAGRAM...................................................................45
CAUTIONS IN SERVICING .......................................................8
POWER BLOCK DIAGRAM ....................................................46
Initializing BD player ..................................................................8
Service tools ..............................................................................8 PRINTED WIRING BOARDS ...................................................47
MAIN ......................................................................................47
DISASSEMBLY ..........................................................................9
FRONT ...................................................................................48
1. FRONT PANEL ASSY .........................................................11
IRA1G ....................................................................................50
2. BD MECHA UNIT ASSY .....................................................14
AVD2G ...................................................................................50
3. MAIN PCB UNIT ASSY .......................................................16
4. POWER PCB UNIT ASSY ..................................................17 SCHEMATIC DIAGRAMS (1/18) .............................................51
5. IR PCB UNIT ASSY ............................................................18 POWER ...................................................................................51
REMOVING DISCS .................................................................19 VFD_DISPLAY_01 ..................................................................52
VFD_DISPLAY_02 ..................................................................53
DIAGNOSTICS OF OPTICAL PICKUP ...................................20
IR ............................................................................................54
1. Iop checked Method ............................................................21
MAIN_01 .................................................................................55
2. To clear the accumulated laser on time ...............................21
MAIN_02 .................................................................................56
HOW TO REPLACE THE MAIN PCB & BD MECHA
MAIN_03 .................................................................................57
OR BD MECHA ........................................................................22
MAIN_04 .................................................................................58
1. How to Replace the MAIN PCB & BD MECHA ..................22
MAIN_05 .................................................................................59
2. How to Replace the BD MECHA .........................................22
MAIN_06 .................................................................................60
HOW TO REPLACE THE MAIN PCB UNIT ASSY..................27 MAIN_07 .................................................................................61
SERVICE MODE ......................................................................29 MAIN_08 .................................................................................62
1. Initial setting mode ..............................................................29 MAIN_09 .................................................................................63
2. Firmware version check mode ............................................29 MAIN_10 .................................................................................64
3. Tray lock mode ....................................................................30 MAIN_11..................................................................................65
4. Remote lock mode ..............................................................30 MAIN_12 .................................................................................66
5. All Lit / All Off mode for the FL tube .....................................30 MAIN_13 .................................................................................67
6. Test mode ...........................................................................31 AUDIO .....................................................................................68
PROCEDURE FIRMWARE FOR UPGRADING EXPLODED VIEW....................................................................69
THE VERSION OF THE FIRMWARE .....................................36 PARTS LIST OF EXPLODED VIEW .......................................71
1. Update from the Internet .....................................................36
PACKING VIEW ......................................................................73
PARTS LIST OF PACKING VIEW ..........................................74
SEMICONDUCTORS ...............................................................75
1. PCM1795DBR (AUDIO PCB U1) ........................................75
PARTS LIST OF PCB .............................................................88
2
SAFETY PRECAUTIONS
The following items should be checked for continued protection of the customer and the service technician.
LEAKAGE CURRENT CHECK
Before returning the set to the customer, be sure to carry out 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 set is defective.
Be sure to test for leakage current with the AC plug in both polarities, in addition, when the set's power is in each state (on,
off and standby mode), if applicable.
CAUTION Please heed the following cautions and instructions during servicing and
inspection.
Heed the cautions! Make a safety check after servicing!
Cautions which are delicate in particular for servicing Check that all screws, parts and wires removed or
are labeled on the cabinets, the parts and the chassis, disconnected when servicing have been put back in
etc. Be sure to heed these cautions and the cautions their original positions, check that no serviced parts
described in the handling instructions. have deteriorate the area around. Then make an
insulation check on the external metal connectors and
Cautions concerning electric shock!
between the blades of the power plug, and otherwise
(1) An AC voltage is impressed on this set, so if
check that safety is ensured.
you touch internal metal parts when the set is
energized, you may get an electric shock. Avoid (Insulation check procedure)
getting an electric shock, by using an isolating Unplug the power cord from the power outlet,
transformer and wearing gloves when servicing disconnect the antenna, plugs, etc., and on the power.
while the set is energized, or by unplugging the Using a 500V insulation resistance tester, check that
power cord when replacing parts, for example. the insulation resistance value between the inplug and
(2) There are high voltage parts inside. Handle with the externally exposed metal parts (antenna terminal,
extra care when the set is energized. headphones terminal, input terminal, etc.) is 1M or
greater. If it is less, the set must be inspected and
Caution concerning disassembly and
repaired.
assembly!
Through great care is taken when parts were
manufactured from sheet metal, there may be burrs CAUTION Concerning important safety
on the edges of parts. The burrs could cause injury if
fingers are moved across them in some rare cases.
parts
Wear gloves to protect your hands. Many of the electric and the structural parts used in
Use only designated parts! the set have special safety properties. In most cases
The set's parts have specific safety properties (fire these properties are difficult to distinguish by sight, and
resistance, voltage resistance, etc.). Be sure to use the use of replacement parts with higher ratings (rated
parts which have the same properties for replacement. power and withstand voltage) does not necessarily
The burrs have the same properties. In particular, for guarantee that safety performance will be preserved.
the important safety parts that are indicated by the z Parts with safety properties are indicated as shown
mark on schematic diagrams and parts lists, be sure to below on the wiring diagrams and the parts list in this
use the designated parts. service manual. Be sure to replace them with the parts
which have the designated part number.
Be sure to mount parts and arrange the wires
as they were originally placed! (1) Schematic diagrams.......Indicated by the z mark.
For safety seasons, some parts use tapes, tubes or (2) Parts lists.......Indicated by the z mark.
other insulating materials, and some parts are mounted The use of parts other than the
designated parts could cause electric
away from the surface of printed circuit boards.
shocks, fires or other dangerous
Care is also taken with the positions of the wires by
situations.
arranging them and using clamps to keep them away
from heating and high voltage parts, so be sure to set
everything back as it was originally placed.
3
NOTE FOR SCHEMATIC DIAGRAM
WARNING:
Parts marked with this symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.
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.
Resistors
Value Tolerance Description
1 5% 1
10 5% 10
4.7K 5% 4.7K
10K 5% 10K
12.1K 1% 12.1K/1%
Electrolytic capacitor
Value Voltage Description
47F 16V 47uF/16V
Ceramic capacitor
Value Voltage Gread Description
0.1F 25V Y5V 0.1uF/25V/Y5V
0.1F 50V X7R 0.1uF/50V/X7R
NC (not implemented)
Description Exsample
NC NC
*/NC 100uF/10V/NC
NC/* NC/0.1uF/25V/Y5V
NOTE FOR PARTS LIST
1. Parts indicated by "nsp" on this table cannot be supplied.
2. When ordering a part, make a clear distinction between "1" and "I" (i) to avoid mis-supplying.
3. A part ordered without specifying its part number can not be supplied.
4. Part indicated by "" mark is not illustrated in the exploded view.
5. General-purpose Carbon Film Resistor in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.)
6. General-purpose Carbon Chip Resistors are not included are not included in the P.W.Board parts list.
(Refer to the Schematic Diagram for those parts.)
WARNING: Parts indicated by the z mark have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.
4
WARNING AND LASER SAFETY INSTRUCTIONS
GB WARNING NL WAARSCHUWING
All ICs and many other semi-conductors are Alle IC's en vele andere halfgeleiders zijn gevoelig
susceptible to electrostatic discharges (ESD). voor elektrostatische ontladingen (ESD).
Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan de
drastically. levensduur drastisch doen verminderen.
When repairing, make sure that you are connected Zorg ervoor dat u tijdens reparatie via een polsband
with the same potential as the mass of the set via a met weerstand verbonden bent met apparaat.
wrist wrap with resistance. Houd componenten en hulpmiddelen ook op
Keep components and tools also at this potential. ditzelfde potentiaal.
F ATTENTION D WARNUNG I AVVERTIMENTO
Tous les IC et beaucoup d'autres semiconducteurs Alle IC und viele andere Halbleiter sind Tutti IC e parecchi semi-conduttori sono sensibili
sont sensibles aux d