LCD MONITOR
LMD-2110W
SERVICE MANUAL
2nd Edition
Serial No. 3200001 and Higher: LMD-2110W (SY)
Serial No. 5200001 and Higher: LMD-2110W (CN)
!警告
このマニュアルは,サービス専用です。
お客様が,このマニュアルに記載された設置や保守,点検,修理などを行うと感電や火災,
人身事故につながることがあります。
危険をさけるため,サービストレーニングを受けた技術者のみご使用ください。
! WARNING
This manual is intended for qualifi ed service personnel only.
To reduce the risk of electric shock, fi re or injury, do not perform any servicing other than that
contained in the operating instructions unless you are qualifi ed to do so. Refer all servicing to
qualifi ed service personnel.
! WARNUNG
Die Anleitung ist nur für qualifi ziertes Fachpersonal bestimmt.
Alle Wartungsarbeiten dürfen nur von qualifi ziertem Fachpersonal ausgeführt werden. Um die
Gefahr eines elektrischen Schlages, Feuergefahr und Verletzungen zu vermeiden, sind bei
Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen. Andere als die angegeben
Wartungsarbeiten dürfen nur von Personen ausgeführt werden, die eine spezielle Befähigung
dazu besitzen.
! AVERTISSEMENT
Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afi n
de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les
réparations indiquées dans le mode d’emploi à moins d’être qualifi é pour en effectuer d’autres.
Pour toute réparation faire appel à une personne compétente uniquement.
警告
万一,異常が起きた際に,お客様が電源を切ることが
できるように,設置の際には,機器近くの固定配線内
に専用遮断装置を設けるか,機器使用中に,容易に抜
き差しできるコンセントに電源プラグを接続してくだ
さい。
WARNING
When installing the unit, incorporate a readily accessible
disconnect device in the fi xed wiring, or connect the
power cord to a socket-outlet which must be provided
near the unit and easily accessible, so that the user can
turn off the power in case a fault should occur.
WARNUNG
Beim Einbau des Geräts ist daher im Festkabel
ein leicht zugänglicher Unterbrecher einzufügen,
oder das Netzkabel muß mit einer in der Nähe
des Geräts befi ndlichen, leicht zugänglichen
Wandsteckdose verbunden werden, damit sich bei
einer Funktionsstörung die Stromversorgung zum Gerät
jederzeit unterbrechen läßt.
本機をラックに設置するときは,本機の上下に 4.4cm
以上の空間を確保してください。
When performing the installation, keep the following
space away from walls in order to obtain proper
exhaust and radiation of heat.
Lower, Upper: 4.4 cm (1 3/4 inches) or more
安全のために,周辺機器を接続する際は,過大電圧を持
つ可能性があるコネクターを以下のポートに接続しない
でください。
: PARALLEL REMOTE コネクター
上記のポートについては本書の指示に従ってください。
For safety, do not connect the connector for peripheral device wiring that might have excessive voltage to the following port.
: PARALLEL REMOTE connector
Follow the instructions for the above port.
LMD-2110W
Table of Contents
Manual Structure
Purpose of this manual ............................................................ 2 (E)
Related manuals ...................................................................... 2 (E)
1. Service Overview
1-1. Appearance Figure/Board Location ..........................1-1 (E)
1-2. Tighten Torque .......................................................... 1-2 (E)
1-3. Disassembly ..............................................................1-3 (E)
1-3-1. Rear Cover ....................................................... 1-3 (E)
1-3-2. Q Board ............................................................1-4 (E)
1-3-3. G2 Board ..........................................................1-5 (E)
1-3-4. G1 Board ..........................................................1-6 (E)
1-3-5. B Board/S Board ..............................................1-7 (E)
1-3-6. DC Fan .............................................................1-8 (E)
1-3-7. H Board/X Board/Speaker ............................... 1-9 (E)
1-3-8. LCD Panel......................................................1-10 (E)
1-4. System Software Update ......................................... 1-11 (E)
1-5. Circuit Description .................................................. 1-13 (E)
1-5-1. G1 Board ........................................................1-13 (E)
1-5-2. G2 Board ........................................................1-13 (E)
1-5-3. B Board .......................................................... 1-13 (E)
1-5-4. Q Board ..........................................................1-13 (E)
1-5-5. H Board ..........................................................1-13 (E)
1-5-6. S Board ..........................................................1-13 (E)
1-5-7. X Board ..........................................................1-13 (E)
1-6. Lead-free Solder ...................................................... 1-14 (E)
3. Troubleshooting
3-1. Backlight does not light.............................................3-1 (E)
3-2. System does not start .................................................3-2 (E)
3-3. Image is abnormal .....................................................3-3 (E)
3-4. TALLY lamp is not lit ...............................................3-4 (E)
3-5. Fan is abnormal ......................................................... 3-5 (E)
4. Spare Parts
4-1. Notes on Repair Parts ...................................................... 4-1
4-2. Exploded Views ............................................................... 4-2
4-3. Packing Materials & Supplied Accessories ..................... 4-5
5. Block Diagrams
Overall ............................................................................. 5-1
6. Frame Wiring
Frame Wiring...................................................................6-1
2. Electrical Alignment
2-1. Preparation ................................................................2-1 (E)
2-1-1. Required Equipment ........................................2-1 (E)
2-1-2. Warm-up Time .................................................2-1 (E)
2-1-3. How to Enter the Service Mode .......................2-1 (E)
2-1-4. How to Exit the Service Mode .........................2-1 (E)
2-1-5. Preparing the Power Supply and Signals .........2-1 (E)
2-2. White Balance Adjustment ........................................ 2-1 (E)
2-3. A/D Adjustment (COMPONENT) ............................2-3 (E)
2-4. A/D Adjustment (RGB) ............................................. 2-3 (E)
2-5. A/D Adjustment (COMPOSITE) .............................. 2-4 (E)
2-6. A/D Adjustment (Y/C) .............................................. 2-4 (E)
LMD-2110W
1 (E)
Purpose of this manual
Related manuals
Manual Structure
This manual is the Service Manual of the LCD Monitor LMD-2110W.
This manual contains the service overview, electrical alignment, troubleshooting,
spare parts, block diagrams, and frame wiring.
The service of this unit is basically performed by the replacement of board.
Therefore, the schematic diagram, board layout and electrical parts list are not
contained.
In addition to this Service Manual the following manuals are provided.
. “Operating Instructions” (supplied with this unit)
This manual is necessary for application and operation of this unit.
. “Service Manual” 1st Edition (available on request)
This manual describes the information for repair and service of the following models.
Serial No. 3,000,001 to 3,200,000 (SY)
Serial No. 5,000,001 to 5,200,000 (CN)
2 (E)
LMD-2110W
1-2. Tighten Torque
Tighten the each screw with the torque below.
n
. The screw (PTPWH3 x 8) of this unit have the two different tightening torques. Be careful not to
confuse.
. When using the torque driver with the notation of cN.m, interpret it as follows.
Example: 0.8 N.m = 80 cN.m
. 3 x 6: 0.2 to 0.4 N.m
. 4 x 8: 0.8 to 1.0 N.m
. B3 x 4: 0.2 to 0.4 N.m
. B3 x 14: 0.4 to 0.6 N.m
. F2.5 x 6: 0.2 to 0.4 N.m
. K4 x 8: 0.8 to 1.0 N.m
. KTP3 x 10: 0.6 to 0.8 N.m
. PS4 x 8: 0.8 to 1.0 N.m
. PTPWH3 x 8 (for excluding speaker and X board): 0.6 to 0.8 N.m
. PTPWH3 x 8 (for speaker and X board): 0.4 to 0.6 N.m
. PWH3 x 6: 0.6 to 0.8 N.m
. PWH3 x 10: 0.4 to 0.6 N.m
. PWH4 x 12: 1.0 to 1.2 N.m
1-2 (E)
LMD-2110W
1-3. Disassembly
m
. In this section, remove parts in the order of numbers shown in the fi gure.
. When removing/installing the cabinet and replacing the board, place the unit on the conductive cushion.
1-3-1. Rear Cover
n
Remove the hooks inside of the bezel assembly while pushing the portion A of the rear cover, then remove
the rear cover in the direction of B.
Rear cover
Hook
4 Six screws
(PWH4 x 12)
9 Rear cover
A
Bezel assembly
5 Five hooks
Rear cover
Hook
B
Bezel assembly
3 Two screws
(PWH3 x 6)
7 Four hooks
Rear cover
B
A
Hook
Bezel
assembly
1 Four screws
(PWH4 x 12)
6 Four hooks
LMD-2110W
8 Five hooks
2 Stand
Upper side
Conductive cushion
1-3 (E)
1-3-2. Q Board
. Remove the rear cover. (Refer to Section 1-3-1.)
8 Two screws
(PWH3 x 10)
9 Plug holder
0 AC inlet assembly
2 Two harnesses
!- Screw
(F2.5 x 6)
!= DL cover
!\ Connector label
1 Two harnesses
5 Two screws
3 Screw
Upper side
(PWH3 x 6)
(4 x 8)
4 Harness
J22
J10
J23
J24
6 Two screws
(PWH3 x 6)
7 Q board
1-4 (E)
G1 board
Conductive cushion
CN601
LMD-2110W
1-3-3. G2 Board
. Remove the rear cover. (Refer to Section 1-3-1.)
2 Four screws
(PWH3 x 6)
3 G2 board
Upper side
Conductive cushion
1 Two Harnesses
CN801
CN802
LMD-2110W
1-5 (E)
1-3-4. G1 Board
. Remove the rear cover. (Refer to Section 1-3-1.)
5 Four screws
(PWH3 x 6)
6 G1 board
CN701
Upper side
1 Four screws
(PWH3 x 6)
3 Two harnesses
CN702
CN601
4 Harness
2 Wall mount bracket
1-6 (E)
Conductive cushion
LMD-2110W
1-3-5. B Board/S Board
n
When replacing the B board, be sure to perform the white balance adjustment and A/D adjustment.
(Refer to Sections 2-2 to 2-6.)
. Remove the rear cover. (Refer to Section 1-3-1.)
. Remove the wall mount bracket. (Refer to steps 1 and 2 in Section 1-3-4.)
When removing the LVDS cable, remove
it in the direction of the arrow C while
holding the two hooks in the direction of
the arrows A and B.
6 LVDS cable
A
Hook
Hook
B
C
5 Two harnesses
1 Screw
(3 x 6)
2 Eight screws
(PWH3 x 6)
3 Main shield assembly
6 LVDS cable
4 Five screws
(PWH3 x 6)
7 Two harnesses
Upper side
J1
J2
J10
J5
J9
J4
J6
J11
8 Four harnesses
9 B board
J3
0 Harness
J1
!- S board
Conductive cushion
LMD-2110W
1-7 (E)
1-3-6. DC Fan
. Remove the rear cover. (Refer to Section 1-3-1.)
. Remove the wall mount bracket. (Refer to steps 1 and 2 in Section 1-3-4.)
. Remove the main shield assembly. (Refer to steps 1 to 3 in Section 1-3-5.)
1 Harness
Conductive cushion
2 Two screws
(B3 x 14)
Upper side
3 DC fan
J10
B board
1-8 (E)
LMD-2110W