Hyundai IT R Series User manual

HYUNDAI IT
Hyundai IT CO.LTD
Service Manual
R-Series LCD Monitor
Model
- R329DP*

Table of Contents
CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ..................................................................................................................... 3
1. SAFETY PRECAUTIONS ............................................................................................................................................................... 3
2. PRODUCT SAFETY NOTICE ........................................................................................................................................................ 3
3. SERVICE NOTES ............................................................................................................................................................................ 3
CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ..................................................................................................... 4
CHAPTER 3- CIRCUIT THEORY ...................................................................................................................................................... 5
1. BLOCK DIAGRAM .............................................................................................................................................................................. 5
2. GENERAL INFORMATION............................................................................................... 오류! 책갈피가 정의되어 있지 않습니다.
3. HDMI PIN DESCRIPTION .............................................................................................. 오류! 책갈피가 정의되어 있지 않습니다.
4. DISPLAY PORT PIN DESCRIPTION ....................................................................................................................................................... 6
5. FFC CABLE PIN ASSIGNMENT ......................................................................................................................................................... 7
6. KEY PAD PIN ASSIGNMENT ................................................................................................................................................................ 7
7. FACTORY PRESET TIMMING ............................................................................................................................................................... 7
8. INTERFACE ........................................................................................................................................................................................ 8
8-1. SIGNAL INTERFACE .............................................................................................................................................................. 8
8-2. KEY PAD INTERFACE ............................................................................................................................................................ 9
8-3. CIRCUIT DIAGRAM ............................................................................................................................................................. 10
8-4 .PCB DRAWING ..................................................................................................................................................................... 14
CHAPTER 4- DISASSEMBLY & ASSEMBLY ................................................................................................................................. 15
1. PRECAUTION ................................................................................................................................................................................... 15
2. DISASSEMBLE AND ASSEMBLE ........................................................................................................................................................ 16
3. UNPACKING ................................................................................................................................................................................... 18
4. DISASSEMBLE PRODUCT ................................................................................................................................................................. 19
CHAPTER 5- MAINTENANCE ................................................................................................................................................ 20
1. FW UPGRADE ............................................................................................................................................................................... 20
2. BOM LIST .................................................................................................................................................................................... 23
CHAPTER 6- TROUBLE SHOOTING .............................................................................................................................................. 29
1.NO POWER TROUBLE SHOOTING ....................................................................................................................................................... 29
2. NO VIDEO TROUBLE SHOOTING ...................................................................................................................................................... 30
CHAPTER 7- SERVICE PROCESS GUIDE ..................................................................................................................................... 31
Chapter 1- PRECAUTIONS & SAFETY NOTICES

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1. SAFETY PRECAUTIONS
This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However,
improper used or installation may cause damage to the monitor as well as to the user.
WARNINGS:
 This monitor should be operated only at the correct power sources indicated on the label on the rear of the
monitor. If you’re unsure of the power supply in you residence, consult your local dealer or Power
Company.
 Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. This monitor should
only be repaired by a qualified technician.
 Do not remove the monitor Cabinet. There is high-voltage parts inside that may cause electric shock to
human bodies.
 Stop using the monitor if the cabinet is damaged. Have it checked by a service technician.
 Put your monitor only in a lean, cool, dry environment. If it gets wet, unplug the power cable immediately
and consult your closed dealer.
 Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth. Apply
non-ammonia based cleaner onto the cloth, not directly onto the class screen.
 Do not place heavy objects on the monitor or power cord.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special safety visual inspections and the
protection afforded by them cannot necessarily be obtained by using replacement components rated for
higher voltage, wattage, etc. Before replacing any of these components read the parts list in this manual
carefully. The use of substitute replacement parts, which do not have the same safety characteristics as
specified in the parts list, may create shock, fire, or other hazards.
3. SERVICE NOTES
 When replacing parts or circuit boards, clamp the lead wires around terminals before soldering.
 Keep wires away from high voltage, high temperature components and sharp edges.
 Keep wires in their original position so as to reduce interference.
 Adjustment of this product please refers to the user’ manual.

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Chapter 2- SERVICE TOOLS & EQUIPMENT REQUIRED
1. VIDEO TEST SIGNAL GENERATOR
2. AUDIO TEST SIGNAL GENERATOR
3. MULTIMETER
4. SCREW DRIVER
5. OSCILLOSCOPE
6. IRON
7. SOLDER
8. DP Cable and HDMI Cable and VGA CABLE (15PINS POINT TO POINT)
9. AUDIO CABLE
10. COLOR ANALYZER
11. ISP BOARD

Chapter 3- CIRCUIT THEORY
1. Block Diagram

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2. General Information
IC MST9U13Q1
Signal
Resolution 3840*2160@60
Colors 8BIT
Hsync 31.5K Hz-133KHz
Vsync 55Hz-75Hz
Port
Input
HDMI1
HDMI2
DISPLAY PORT
USB HUB
Output Panel Interface：V BY ONE
Audio Output：2*1.5W
Power
Power Input AC 110~220V
Power Output Panel_VCC：12V
Low-power <0.5W。
Key Board 5 Five key The number of key could be change
Led Indicator Blue single， Can be set to double colors by design。
3. HDMI Connector Pin Assignment
Pin Symbol Pin Symbol Pin Symbol
1 HDMI_RX2+ 9 HDMI_RX0- 17 GND
2 GND 10 HDMI_RXC+ 18 +5V
3 HDMI_RX2- 11 DET_CABLE_HDMI 19 HPDHDMI_CTRL
4 HDMI_RX1+ 12 HDMI_RXC-
5 GND 13 NC
6 HDMI_RX1- 14 NC
7 HDMI_RX0+ 15 SCL_HDMI
8 GND 16 SDA_HDMI
4. DISPLAY Port Connector Pin Assignment
Pin Symbol Pin Symbol Pin Symbol
1 Lane 0+ 9 Lane 2- 17 AUX-
2 GND 10 Lane 3+ 18 HOT PLUG
3 Lane 0- 11 GND 19 Return
4 Lane 1+ 12 Lane 3- 20 DP_PWR(5V)
5 GND 13 GND
6 Lane 1- 14 GND
7 Lane 2+ 15 AUX +

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8 GND 16 GND
5. V by ONE
6. FACTORY PRESET TIMING
- HDMI
RESOLUTION H-Freq (kHz) V-Freq (Hz) 비고
640 x 480 31.47 59.94
640 x 480 37.5 75
640 x 480 37.861 72.809
720 x 400 31.47 70.08
800 x 600 37.88 60.32
800 x 600 46.88 75
800 x 600 48.077 72.188
800 x 600 35.156 56.25
1024 x 768 48.36 60
1024 x 768 56.476 70.069
1280x 1024 63.98 60.02
1360 x 768 47.7 60.01
1440 x 900 55.469 59.901
1680x 1050 65.29 59.95
1920x 1080 67.5 60
2560x 1440 88.787 60
3840x 2160 67.5 30 HDMI 1.4
3840x 2160 133.32 30 HDMI 2.0

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- DISPLAY PORT
RESOLUTION H-Freq (kHz) V-Freq (Hz) 비고
640 x 480 31.47 59.94
640 x 480 37.5 75
640 x 480 37.861 72.809
720 x 400 31.47 70.08
800 x 600 37.88 60.32
800 x 600 46.88 75
800 x 600 48.077 72.188
800 x 600 35.156 56.25
1024 x 768 48.36 60
1024 x 768 56.476 70.069
1280x 1024 63.98 60.02
1360 x 768 47.7 60.01
1440 x 900 55.469 59.901
1680x 1050 65.29 59.95
1920x 1080 67.5 60
2560x 1440 88.787 60
3840x 2160 133.32 30
7. Interface
7.1 Signal Interface

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9-2. Key Pad Interface

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9-3. Circuit Diagram

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9-4. PCB Drawing

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Chapter 4- Disassemble and Assembly
1. Precaution
Product Category: Monitors and Displays
Marketing Name / Model
[List multiple model if applicable]
LCD Monitor / R247DP*
Tools Required
List the type and size of the tools that would typically be used to disassemble the product to a point where
components and materials requiring selective treatment can be removed.
Tool Description
Tool Size
(if
applicable)
Scewdrivers
Product Disassembly Process
List the basic steps that should typically be followed to remove components and materials requiring selective tratement:
1. With the aid of a screwdriver, loosen the four screws of stand.
2. Loosen the two screws of rear cover with screwdriver and then disassemble the rear cover from set.
3. Disconnect the backlight wire from the panel.
4. Loosen the three screws of driver board with screwdriver then disassemble driver board from set.
5. Loosen the six screws of mainboard cover with screwdriver then disassemble mainboard cover from set.
6. Loosen the four screws of mainboard with screwdriver then disassemble mainboard from set.
7. Loosen the four screws of speakers with screwdriver then disassemble speakers from set.
8. Disconnect the LVDS cable from the panel.
9. Loosen the five screws of front frame with screwdriver.
10. Loosen the six screws of Middle frame with screwdriver then disassemble middle frame from set.

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2. Disassemble and Assemble