Sanyo VMC-L2617P Service Manual

SERVICE MANUAL

FILE NO.

Color LCD monitor

CONTENTS

SPECIFICATIONS.....................................4

1. DISASSEMBL Y .....................................5

2. ADJUSTMENT ......................................6

3. PARTS LIST .........................................8

CIRCUIT DIAGRAMS &

PRINTED WIRING BOARDS ................. C1

VMC-L2617P

(Product Code : 114 956 08)
(Europe, U.K., PAL General)

VMC-L2617

(Product Code : 114 956 10)
(U.S.A., Canada, NTSC General)

RoHS

This product does not contain any hazardous substances prohibited by the RoHS Directive.

WARNING

You are requested to use RoHS compliant parts for maintenance or repair.

You are requested to use lead-free solder.
(This product has been manufactured using lead-free solder. Be sure to follow the warning given on page 3 when carrying
out repair work.)

NOTE: 1. Parts order must contain model number, part number, and description.

2. Substitute parts may be supplied as the service parts.

3. N.S.P. : Not available as service parts.

Design and specifications are subject to change without notice.

L8MAQ/XE, US (R)

REFERENCE No.SM5310787

SAFETY PRECAUTIONS

WARNING:

Service should not be attempted by anyone unfamiliar with the necessary precautions for this recording or playback
equipment. The following precautions are necessary during servicing:

1. Many electrical and mechanical parts in this recorder have
special safety-related characteristics for providing protec­tion against shock, fire and other hazards. These charac­teristics often go unnoticed in a visual inspection, and the
protection afforded by them cannot necessarily be ob­tained by using replacement components with higher
ratings (voltage, wattage, etc.).

2. Replacement parts having special safety-related charac­teristics are identified in this manual, and in the schematic
diagrams, by the symbol

. These components have
values that are of special significance to product safety.
Should any component (identified by the symbol

) need
to be replaced, use only the part designated in the parts
List. Do not deviate from the specified resistance, wattage,
and voltage ratings.

AC VOLTMETER
(5000 ohms per volt or more sensitivity)
Reading should not exceed 300 mVrms

3. Before returning the set to the customer, always perform
an AC leakage current check on the exposed metallic parts
of the cabinet, such as terminals, screwheads, metal
overlays, etc. to be sure that the set is safe to operate
without the danger of electrical shock, Plug the AC line
cord directly into a 120 V AC outlet. (Do not use a line
isolation transformer during this check.) Use an AC voltmeter
with a sensitivity of 5000 ohms per volt (or more) as follows:
Connect a 1500 ohms, 10 watt resistor, paralleled by a 0.15
mfd, 150 VAC capacitor, between a known good earth
ground (water pipe, conduit, etc.) and the exposed metallic
parts, one at a time. Measure the AC voltage across the
1500 ohms resistor and 0.15 mfd capacitor combination.
Reverse the AC plug at the AC outlet and repeat the AC
voltage measurements for each exposed metallic part.
The measured voltage must not exceed 300 mVrms. This
corresponds to 200 µA AC. Any value exceeding this limit
constitutes a potential shock hazard and must be corrected
immediately.

4. Fuse symbol marks.
For CANADA

AC OUTLET

Color LCD

monitor

1500 Ohm
10 Watt

0.15uF 150 VAC

Place this probe on each

exposed metallic part

Voltmeter Hook-up for Leakage Current Check

Good earth ground such as
a water pipe,conduit etc.

For U.S.A.

Fuse rating is marked at
adjacent fuse.

UNDERWRITERS LABORATORIES Standard

CAUTION "Risk of fire-replace fuse as marked"

- 2 -

WARNING

Do not use solder containing lead.

This product has been manufactured using lead-free

solder in order to help preserve the environment.

Because of this, be sure to use lead-free solder when
carrying out repair work, and never use solder
containing lead.

Lead-free solder has a melting point that is 30 - 40°C (86 ­104°F) higher than solder containing lead, and moreover it
does not contain lead which attaches easily to other metals.
As a result, it does not melt as easily as solder containing
lead, and soldering will be more difficult even if the
temperature of the soldering iron is increased.

The extra difficulty in soldering means that soldering time
will increase and damage to the components or the circuit
board may easily occur.

Because of this, you should use a soldering iron and
solder that satisfy the following conditions when carrying out
repair work.

Note:

If replacing existing solder containing lead with lead-free
solder in the soldered parts of products that have been
manufactured up until now, remove all of the existing solder
at those parts before applying the lead-free solder.

Soldering iron

Use a soldering iron which is 70 W or equivalent, and
which lets you adjust the tip temperature up to 450°C
(842°F). It should also have as good temperature recovery
characteristics as possible.

Set the temperature to 350°C (662°F) or less for chip
components, to 380°C (716°F) for lead wires and similar,
and to 420°C (788°F) when installing and removing shield
plates.

The tip of the soldering iron should have a C-cut shape or
a driver shape so that it can contact the circuit board as flat
or in a line as much as possible.

Solder

Use solder with the metal content and composition ratio by
weight given in the table below. Do not use solders which
do not meet these conditions.

Metal content Tin (Sn) Silver (Ag) Copper (Cu)
Composition

ratio by weight

96.5% 3.0% 0.5%

Lead-free solder is available for purchase as a service tool.
Use the following part number when ordering:

Part name: Lead-free solder with resin (0.5 mm dia., 500 g)
Part number: VJ8-0270

- 3 -

SPECIFICATIONS

Display type : SXGA a-Si TFT LCD
Color system : PAL/NTSC (Automatic detection)
LCD display : 17” active matrix TFT LCD panel
Viewable size (H x V) : 338 x 270 mm/13.3 x 10.6 in. (4:3)
Pixel pitch (H x V) : 0.264 x 0.264 mm/0.01 x 0.01 in.
Horizontal resolution : 1280 x 1024, PAL: 620 NTSC: 600 TV lines (Y/C input mode)
Viewing angle degree : Left/Right/Up/Down: 80°
Scanning frequency : Horizontal 30k - 81kHz, Vertical 56 - 75 Hz
Contrast ratio : 1000:1
Brightness : 300 cd/m / 359 cd/yd

2

Response time Tr/Tf : 1.3/3.7 ms
Display color : 16.7 M
Display monitor timing : VESA compatible (VGA mode)
Display mode : Video A, Video B, S-Video, VGA
Input connector
Video signal (BNC IN) : Composite sync signal, 1.0 Vp-p, 75 ohms BNC connector x 2
S-Video signal (Y/C IN) : Separate Y/C signal, mini-DIN connector

Y signal : 1.0 Vp-p, 75 ohms negative sync
C signal : 0.286 Vp-p, 75 ohms negative sync

Audio signal (AUDIO IN) : -6.0 dBs (400 mVrms), 2W (1W + 1W) stereo, RCA pin x 2
VGA signal (VGA IN) : VGA monitor connector (15-pin)

Red signal, Green signal, Blue signal : 0.7 Vp-p, 75 ohms positive sync

Output connector
Video signal (BNC OUT) : Composite sync signal, 1.0 Vp-p, 75 ohms BNC connector x 2
S-Video signal (Y/C OUT) : Separate Y/C signal, mini-DIN connector

Y signal : 1.0 Vp-p, 75 ohms negative sync
C signal : 0.286 Vp-p, 75 ohms negative sync

Menu language : English/ French/ German/ Spanish/ Italian/ Portuguese/ Dutch/ Swedish/ Russian/ Korean/ Japanese
Power input : AC 100 V - 240 V
Operating condition : Temperature : 0°C - +40°C/32°F - 104°F
Humidity : 10 - 90 % (non-condensation)
Storage condition : Temperature : -20°C - +45°C/-4°F - +113°F
Humidity : 5 - 95 %
Power consumption : Approx. 42 W (0.7 A)
Weight : Approx. 6.0 kg/13.2 lbs.
Dimensions :

2

165

A
B

(Swivel)

165

C D E

F

G

H

100 (3.9)

(Lift)

A B C D E F G H
371 (14.6) 339 (13.4) 272 (10.7) 331 (13.0) 368 (14.5) 37 (1.5) 67 (2.6) 220 (8.7)

Note

Unit: mm (inch)

When adjusting the screen tilt, please make sure not to damage the screen.
After adjusting the tilt, check the cables to ensure the monitor is not pulled over.

- 4 -

25

5

(Tilt)

1. DISASSEMBLY

1-1. DISASSEMBLY

1. Remove the two screws 4 x 10.

2. Remove the ass’y stand P.

1

3. Remove the three screws 3 x 10.

4. Remove the ass’y cover P-rear.

4

5. Release the two hooks.

6. Remove the cover jack.

7. Release the two hooks.

8. Remove the shield-lamp.

9. Remove the ass’y chassis shield.

13. Remove the screw 3 x 8.

14. Remove the ass’y IR board.

2

15. Remove the ass’y FUNCTION board.

16. Cover front.

16

15

13

14

17. Remove the two screws.

18. Remove the four screws 3 x 8.

19. Remove the screw 4 x 8.

20. Remove the IP board.

21. Remove the MAIN board.

3

17

21

20

19

19

18

9

7

8

10. Remove the LCD panel.

11. Remove the glass protection.

12. Ass’y cover front.

6

5

1-2. BOARD LOCA TION

MAIN board

LCD panel

IP board

10

11

12

IR board

FUNCTION board

- 5 -

2. ADJUSTMENT

This section describes to adjust LCD monitor after replacing FLASH, Main board or Panel.

2-1. Program Upgrade

Change MICOM

If the similer happenings occur, FLASH can be changed

EX1) When screen appears but remote control and function key aren’t working
EX2) When LED is on but the screen doesn’t appear
EX3) After mass production, when the micom program version is up-graded

*FLASH replacement can be done when Service Bulletin issue is in practice.
The process of working need to be prepare on Service Bulletin.

Upgraded

After disassembling the set (refer to SET disassemble), remove the FLASH in the exist IC6003 and replace new FLASH.

-Use appropriate JIG or any sharp tool and place in the both corners to assist in removing.
(Be aware! If the socket cause any damage after replacement the monitor will not function properly.)

-When inserting, attend to IC direction and press with suitable amount of strength.

-After replacement, in case of EEPROM Clear, enter to Factory mode and perform into action.

FLASH

- 6 -

2-2. Factory Mode Adjustments

2-2-1. Factory Mode Admission

MUTE

2-2-2. Service Mode Menu

Calibration

1. AV calibration

2. COMP calibration

3. PC calibration

4. HDMI calibration

White Balance

1. Sub-briteness

2. R-offset

3. G-offset

4. B-offset

5. Sub-contrast

6. R-gain

7. G-gain

8. B-gain

1

Option Table (Service)

1. Ready

2. Inch option

3. Panel vender

4. Panel type

5. Model option

6. Anynet +

7. Auto power

8. Nordic

9. LNA menu

10. TTX on/off

11. TTX list

12. Carrier mute

13. High deviation

14. Volume curve

15. HDMI hotplug

16. HDMI hotplugclkcontrol

17. HDMI hotplugdelay

18. Hotel option

19. Shop mode

20. Color space

21. PC ident

22. Language

23. Ch. table

24. TTX group

25. iDTV country

8

2

Adjust

1. V Mute time

2. Dynamic contrast

3. Dynamic dimming

4. Dynamic CE

5. LNA plus

6. Magazine LNA

7. Pixelshift test

8. Debug

9. ACR

10. D-watchdog

11. UART select

12. FBE select

13. Tuner

14. Tuner TOP semco

15. Tuner TOP alp s

16. D.Gamma

17. M.Gamma

Power on

W/B Movie

1. WB movie

2. Color mode

3. Color tone

4. Msub bright

5. Msub contr

6. W1 R gain

7. W1 B gain

8. W1 R offset

9. W1 B offset

10. W2 R gain

11. W2 B gain

12. W2 R offset

13. W2 B offset

14. NO R gain

15. NO B gain

16. NO R offset

17. NO B offset

18. C2 R gain

19. C2 B gain

20. C2 R offset

21. C2 B offset

22. Movie contrast

23. Movie brightness

24. Movie color

25. Movie sharpness

26. Movie color tone

W1 Warm1 W2 Warm2

NO Normal C2 Cool2

- 7 -