Kivi 32HK30G User manual

MS0A3483
32HK30G
SERVICE MANUAL
LED TV
Chassis
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
WARNING
Model No.

Contents-1-1、 Safety and warnings..........................................................................................................2-32、 Introduction.....................................................................................................................43、 W all Mount Installation....................................................................................................5 4、 Installation...................................................................................................................... 6-95、 Remote Controller...........................................................................................................106、 TV Operation..................................................................................................................11-147、 Trouble shooting.............................................................................................................15

-2-SAFETY AND WARNINGSIMPORTANT SAFETY INSTRUCTIONTO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK).NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.CAUTIONThe symbol indicates that dangerous voltages constituting a risk of electric shock are present within this unit.The symbol indicates that there are important operating and maintenance instructions in the literaturaccompanying this unit.To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.WARNING:1) Read these instructions.2) Keep these instructions.3) Heed all warnings.4) Follow all instructions.5) Do not use this apparatus near water.6) Clean only with dry cloth.7) Do not block any ventilation openings, install in accordance with the instructions.8) Do not install near any heat sources such as radiations, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.9) Do not defeat the safety purpose of the polarized plug. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.10) Protected the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.11) Only use attachments/accessories specified by the manufacturer.12) Unplug this apparatus during lighting storms or when unused for long periods of time.13) Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.14) Mains plug is used as the disconnect device, the disconnect device shall remain readily operable.15) The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, table-cloth, curtains, etc.16) No naked flame sources, such as lighted candles, should be placed on the apparatus.17) Attention should be drawn to the environmental aspects of battery disposal.18) The use of apparatus in moderate climate.19) The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.This symbol indicates that this product incorporates double insulation between hazardous mains voltage and user accessible parts. When servicing use only identical replacement parts.This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmental safe recycling.The batteries shall not be exposed to excessive heat such as sunshine, fire or the like.WARNING:RISK OF ELECTRIC SHOCK DO NOT OPEN!CAUTION

-3- High voltages are used in the operation of this television receiver. Do not remove the cabinet back from your set. Refer servicing to qualified service personnel.SAFETY AND WARNINGS To prevent fire or electrical shock hazard, do not expose the television receiver to rain or moisture. Do not drop or push objects into the television cabinet slots or openings. Never spill any kind of liquid on the television receiver. Do not block the ventilation holes in the back cover. Adequate ventilation is essential to prevent failure of electrical components. Do not trap the power supply cord under the television receiver. Never stand on, lean on, or suddenly push the television or its stand. You should pay special attention to children. Serious injury may result if it falls. Do not place your television on an unstable cart, stand, shelf or table. Serious injury to an individual , and damage to the television, may result if it falls. When the television receiver is not used for an extended period of time, it is advisable to disconnect the AC power cord from the AC outlet. Avoid exposing the television receiver to direct sunlight and other sources of heat. Do not stand the television receiver directly on other products which give off heat, e.g. video cassette players and audio amplifiers. Do not place naked flame sources, such as lighted candles on the television.
Dim:515*320mm(不包括底座）
If the television is to be built into a compartment or similar enclosure, the minimum distances must be maintained. Heat build-up can reduce the service life of your television, and can also be dangerous.

INTRODUCTIONMain features① Used as Television, display terminal, PC display；② High luminance, wide viewing angle；③ Can store 98 TV programs；④ HDMI interface； ⑤ Multi-Media player (USB);AccessoriesMain parameterResolutionAspect RatioTV SystemReceiving Channel
Power consumptionSignal Input/OutputHorizon
Video Signal System
Input Power VoltageAudio Output Power（THD7%）tal definition（TVline）CompositeVideoinput>=350YCb(Pb)Cr(Pr)>=400
1366x76816 : 9PAL/NTSC/SECAMPAL/NTSC/SECAM1-99
2 x 8W40W
AC 100-240V 50/60Hz
-4-
Analog RGB(VGA) x 1High-Definition Multimedia Interface(HDMI) x 3Composite Video Input x 1Audio Input x 1YCb(Pb)Cr (Pr) x 1USB x 1Headphone x 1COAXIAL x 1
Model32 inchInfrared Remote Controller............1 User’sM anual...............................1 Battery(AAA)...............................2
RF x 1

wallwallWALL MOUNT INSTALLATION-5-Step One: Use the expansion bolts(4*36PWA) to fix the wall mount brackets into the wall.Step Two: Fix the wall mount screws M4x5mm/4pcs, into the rear side of the LCD TV,using the tongue of 8kgf.cm.* The TV appearance subject to material object. Step Three: Put the LCD TV with wall mount screws onto the wall mount brackets.Warning: the angle between the TV and wall must not be bigger than 3º.

-6-INSTALLATIONFront panelBottom1. Middle Button: press longtime for “power” function; 2. Up/Down: CH+/-3. Left/Righ: VOL-/+press once for “source” functionThe keyboard is located at the bottom left near the right side of signal indicator.KEYBOARDRocker 1: Remote control sensor. 2: Indicator LED: STANDBY. 3: Key board RED123≤8mAll the terminals are (from left to right):HEADPHONE, AV INPUT, YPbPr INPUT, HDMI3, HDMI2, HDMI1.Note: VIDEO and YPbPr share one audio channel. All the terminals are (from left to right):VGA, RF, USB, COAXIAL.Note: When HDMI port get DVI signal, the audio signal receives from the AV Audio channel. REAR AV Connections REAR AV Connections (SIDE)COAXIAL

INSTALLATION-7-STEPS:Be sure both the TV and computer are Power off.1.Connect VGA and audio cable2.Connect power cord3.Power on the TV, switch to PC mode4.Power on the PCThis sequence is very important.PC8ANTENNANote:Aerial connections: IEC(female).Input impendance: 75 unbalanced.COAXIAL

INSTALLATION-8- PRESET MODE (PC) NOTE: PC V.Freq.(Hz) not more than 60Hz.123800*6001024*768606037.8848.36RESOLUTIONV.Freq.(Hz)H.Freq.(KHz)1360*7686047.7 PRESET MODE (HDMI) 123800*6001024*768606037.8848.36RESOLUTIONV.Freq.(Hz)H.Freq.(KHz)1360*7686047.741280*7686047.351920*10806067.5

INSTALLATION-9-AV EQUIPMENTThis TV provides one group of AV, one group of YPbPr for convenient connection to VCR, DVD or other video equipment. Please refer to the owner's manual of the equipment to be connected as well. You can use the input terminals on TV set rear as follows.It can be connected to the following appliances: VCR, multi disc player, DVD, camcorder, video game or stereo system, etc...YPbPr can support these video fomats: 480i, 576i, 480p, 576p, 720p, 1080i, 1080p.Note: 1.Video and YPbPr share one audio channel. 2.When HDMI port get DVI signal, the "" channel is changed to receive the audio for HDMI port.AV Audio 3.Sometimes it will not support in different device because the device supplys nonstandard signal.COAXIALHDMIWRWRTO AUDIO OUTPUTSVIDEO EQUIPMENTTO VIDEOOUTPUTSYYRed (audio R)White(audio L)Red(Pr or Cr)RWRBlue(Pb or Cb)Green(Y)BGYellow (video)YGBRWRGBRVIDEO EQUIPMENT with YPbPrWR

- 08 -
Service Manual
Model No.:
3. Location of Controls and Components
3-1 Board Location
No. Description
3-2 Main Board
A Board
A Board Mainboard
B Board Power Supply

Service Manual
Model No.:
- 09 -
3-2-1 Function Description:
Main Board
Process signal which incept from exterior equipment then translate into signal that panel
can display.
3-2-2 Connector denition
Main board connector
Keypad and remote connector (CN508)
Speaker connector (CN601)
Pin number Signal name Description
1 RSPK+ RSPK+
2 RSPK- RSPK-
3 LSPK- LSPK-
4 LSPK+ LSPK+
Pin number Signal name Description
1
LED_R LAMP RED
2
LED_G LAMP GREEN
3
4
IR REMOTE CONTROL
5
GND GND
6
5V POWER FOR REMOTE
7
KEY1
KEY0
10
GND
8
9
NC
STANDBY

3-4. LED Panel
- 10 -
Service Manual
Model No.:

Service Manual
Model No.:
- 11 -
1) Keep the NC Pin and don’t connect it to GND or other signals.
2) GND Pin must connect to the ground, don’t let it be a vacant pin.
3-4-1.Connector de finition

4. Disassemble and assemble
Remove the adhesive tape indicated on the
฀faces upward
฀฀4-2Remove the Back Cover ฀฀unit.
Service Manual
Model No.:
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4-1 Remove the Pedestal
4-3. Remove the adhesive tape

4-4 Remove the Main board ฀Service Manual
Model No.:
- 13 - ฀4-5 Remove the speaker
Take out the speaker

4-6 Remove the remote control
take out the remote control
board
Service Manual
Model No.:
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7. Electrical parts
7-1.Block Diagram

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Ver change list
V1.0.0
Date
Initial
V1.0.1
YUV
AV_L/R
EARPHONE
L
R
HDMI1
MSDXXX
HDMI2
HDMI3
HDMI 输入 X3
YUVI
输入 X1
VGA 输入 X1 VGA
AV1AV
输入 X1
TUNE 输入
USB1
USB2USB2.0 输入 X3
网络输入 X1 RJ45
YUV_L/R
音频输入 X2 AV 音视频
输出
AV_OUT
L/R_OUT
遥控接收、键控板
光感接收、指示板
PANLEVB1
IF1
IF2
IF
RT9113
L_OUT
R_OUT
EMMC
8GByte
USB2
I2S
TCON
R155 ， R152 ， Q106 NC Q105 ， R150 上件
RP59 ， RP46 ， RP60 ， RP62 ， RP58 ， RP56 ， RP57 ， RP61 ， RP63
Ver change list
V1.0.3 MR17,MR18
改为 22R
Initial
R525
， R526 改为 NC
R155 ， R152 ， Q106 NC Q105 ， R150 上件
V1.0.4 删除 C381,C383,C384 ， C385 ， C386 ， C387 ， C388 ， C389
C239 改为 2.2uF ， R251 改为 100K
V1.0.0
Date
V2.0.0
更新 ball out （ AB7,Y4,P14 改为接地， L14 改为 NC ）
兼容其他方案增加
R305 ， C361,C359,C343,C347,R303,C355,C357
V1.0.1
2017/4/26
V1.0.2
增加 C381,C383,C384 ， C385 ， C386 ， C387 ， C388 ， C389
RP59 ， RP46 ， RP60 ， RP62 ， RP58 ， RP56 ， RP57 ， RP61 ， RP63
框中为 2017 。 6 。 13 修改
框中为 2017 。 6 。 13 修改
框中为
2017 。 6 。 13 修改
框中为
2017 。 6 。 13 修改
框中为
2017 。 6 。 13 修改
Title
Size Document Number Rev
Date: Sheet of
Revision
V1.0.1
MSD6A348AXO
Custom
216Wednesday, June 14, 2017
Title
Size Document Number Rev
Date: Sheet of
Revision
V1.0.1
MSD6A348AXO
Custom
216Wednesday, June 14, 2017
Title
Size Document Number Rev
Date: Sheet of
Revision
V1.0.1
MSD6A348AXO
Custom
216Wednesday, June 14, 2017

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Note: 电容靠近 USB 端子 , 提供 usb 读写稳定性
预留二极管，防止电流倒灌
USB2.0 Power
USB ESD 分布电容要求 <2pF
USB Interface
OFF
ON
USB_DM
USB_DP
WoW
USB_USB2_D-
BT_EN
USB_USB2_D+
USB_USB2_D+
USB_DM
USB_DP
USB_USB2_D-
+5V_USB#
+5V_USB+5V_Normal
+5V_USB#
+5V_USB
+5V_USB
+5V_USB
+5V_Normal
+5V_Normal +5V_USB#
+5V_USB#
USB1_D-
USB1_D+
USB2_D-
USB2_D+
USB3_D-
USB3_D+
WoW
WoW 4
Title
Size Document Number Rev
Date: Sheet of
USB & Wifi
V1.0.1
MSD6A348AXO
Custom
216Wednesday, June 21, 2017
Title
Size Document Number Rev
Date: Sheet of
USB & Wifi
V1.0.1
MSD6A348AXO
Custom
216Wednesday, June 21, 2017
Title
Size Document Number Rev
Date: Sheet of
USB & Wifi
V1.0.1
MSD6A348AXO
Custom
216Wednesday, June 21, 2017
RU39 NC/0R
D1003
NC/1pF
+
PEC13
220uF/16V
12
D1006
NC
12
D1005
NC
12
C1004
0.1uF
L31 FB/120R
R1005 0R
C1007
10uF/6.3V
CC0603
P1001
USB2.0/90D
VBUS 1
D- 2
D+ 3
GND 4
SHELL 5
SHELL 6
D1013 0R
D1002
NC/1pF
+
PEC11
220uF/16V
12
C1008
0.1uF
P1002
USB2.0/90D
VBUS 1
D- 2
D+ 3
GND 4
SHELL 5
SHELL 6
C1003
10uF/6.3V
CC0603
D1001
NC/1pF
CN19
5P_SMT
立式
1
2
3
4
5
6
7
RU220R
RU230R
D1004
NC/1pF
CE5
10uF/6.3V