Haier 21F8A Скачать руководство пользователя страница 17 | Manualshive

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1

5

Item

Specifications

Default Value

Variable

Mark

HAFC

HORIZONTAL AUTO FREQUENCY CONTROL

09

V25

25 PERCENT OF VOLUME

20

V50

50 PERCENT OF VOLUME

30

V100

100 PERCENT OF VOLUME

40

MUTT

Y-MUTE SOFT START

00

FLG0

FLAGS FOR IF

52

FLG1 FLAGS

04

REFP

REF Pulse Position

00

RSNS R

SENS

00

GSNS G

SENS

00

BSNS B

SENS

00

MOD MOD

30

STBY VCD/IF

STANDBY

00

SVM SVM

60

VBLK

V BLK Start/Stop

00

VCEK VERTICAL

OUT

27

HSIZ HORIZONTAL

SIZE

20

PRBR PRBR

20

TRUM TRUM

10

ECCT ECCT

10

CCB ECCB

10

EHT EHT

24

UCOM Miciom

Control

00

PYNX PYNX

2E

PYNN PYNN

18

PYXS PYXS

22

PYNS PYNS

1E

RCUTS

FOR YcbCr R CUTOFF

10

GCUTS

FOR YcbCr G CUTOFF

00

BCUTS

FOR YcbCr B CUTOFF

10

GDRVS

FOR YcbCr R DRIVE

00

BDRVS

FOR YcbCr R DRIVE

00

AV OPT

AV OPT

06

OPT2 OPT2

38

WAIT TIME

WAIT TIME

2F

CUR CEN

CUR CEN

C6

CUR STEP

CUR STEP

01

AUSTP

When Mute off, Vol. ATT up step number

02

MOD0 MODE0

91

MOD1 MODE1

05

MOD2 MODE2

A4

OSDF OSDF

POSITION

68

OSD OSD

POSITION

0C

OPT OPTION

E7

You can change the D

Maintenance Service and Trouble shooting

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Содержание 21F8A

Страница 1: ... Thailand Features IC2 BUS CONTROL Child lock Auto search 218 program presetting and memory ON TIME OFF TIME APPOINTING PROGRAMME REAR AUDIO VIDEO INPUT Serial Number M MR AE 21F8A 8829B Version 00 00 Edition 2006 3 21 COLOR TELEVISION Model 21F8A ...

Страница 2: ...VB01 C2878 DB01 HZ5V6 DB02 HZ6V2 DB03 HZ6V2 12 SCL IN SDA I O SCL OUT SDA O I NTSC PAL C811 1u V205 A1015Y V206 A1015Y R258 1K R259 1K X202 X5 5M R257 100 R413 150 V405 2SC2383 O R451 3 3K R421 2W4 7 R415 1W2K7 C417 820P 500V C413 390P 500V T401 BCT 11 C416 47u 35V C421 10u100V L421 L601K V404 2SD1879 C440 OPEN C444 0 01u1 6KV C441 0 43u630V HEAT 200V 200V L441 AC41 R425 1W 1K V423 D2493P V440 2SA...

Страница 3: ...ecaution 4 5 Warning and cautions 5 6 Net Dimension 11 7 Remote controller Functions 12 8 Program Diagram 13 9 Maintenance Service and Trouble Shooting 13 10 Circuit Diagram 22 11 Circuit Explanation 25 12 Adjustment 29 13 Damageable Parts List 30 14 Information of Resistors and Capacitors 31 CONTENT ...

Страница 4: ...2 Product code illumination and series introduction 21 F 8A CRT catercorner 21inch Pure Flat tube Product code illumination and series introduction Color television appearance ...

Страница 5: ...n 25 Slow fading on off 26 Semitransparent menu 27 Non flshing channel changing 28 ZOOM 29 16 9 mode 30 Games 31 Calendar 32 Child lock 33 Multi functional lock 34 No picture listening 35 Background light 36 Auto timer on 37 CCD 38 SOFTWARE V CHIP 序号 FUNCTION 39 NO of built in speakers 2 40 Audio output power W 7W 7W 41 Total power input W 90W 42 Voltage range V 90 250V 43 Power frequency Hz 50 60...

Страница 6: ...aged by accidental shorts of the circuitry that might be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with a specified one When replacing a high wattage resistor Oxide Metal Film Resistor over 1W keep the resistor 10mm away from PCB Keep wires away from high voltage or high temperature parts Due to the high vacuum and...

Страница 7: ...ou 3 Don t place the TV set in the sunshine or near heatsource 6 When the TV set isn t going to be used for long time or it is in thunder and lightening please pull out the plug fromAC outlet and the antenna plug from the cover ofthe TVset Explanation on the display tube Generally it is not needed to clean the tube surface However if necessary its surface can be cleaned with a dry cotton cloth aft...

Страница 8: ...uch the other end of the insulated clip lead to the picture tube anode button using an insulating handle to avoid personal contact with high voltage 4 Do not spray chemicals on or near this receiver or any of its assemblies 5 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or ...

Страница 9: ... protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the de...

Страница 10: ...d to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined Removal Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replac...

Страница 11: ... Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds foil to th...

Страница 12: ... Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to insure that a hazardous condition will not exist if the jumper wire opens Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly connected to the affected copper pattern Connect insulated 20 gauge jumper wire from the lead of the nearest compo...

Страница 13: ...6 Net Dimension 21F8A Net Dimension ...

Страница 14: ...et button Scan button DC standby button Sleep timer One two three digital button Program number up down button Menu button 1 2 3 4 5 6 7 8 9 0 TV AV SCAN LOCK SYSTEM DISP MENU CH CH VOL VOL P STD S STD PRE BACK MODE EXIT LIGHT GAME CALENDAR I II 3 12 11 1 2 5 4 6 7 8 9 10 17 18 16 15 14 13 20 19 21 22 23 Program play backward button 1 2 3 4 5 6 11 15 16 17 7 8 9 12 13 14 18 10 19 20 21 22 23 Inval...

Страница 15: ...key to enter the channel number that you do not want to see Then press the key CH or CH to select SKIP and select SKIP to ON Now the program number is deleted Repeat the above steps and select SKIP to OFF the deleted program number can be resumed B Volume tuning Press VOLUME buttons VOL to increase and VOL to decrease the volume C Personal preference settings Picture modes Press SELC PIC repeatedl...

Страница 16: ...SVD DVD SHARPNESS CENTER VALUE 26 ASSH SHARPNESS 07 SHPX SHARPNESS MAX VALUE 38 SHPN SHARPNESS MIN VALUE 15 TXCX OSD CONTRAST MAX VALUE 1F RGCN OSD CONTRAST MIN VALUE 1F ABL ABL data 37 DCBS A part of Vider data in deyail 33 CLTO The data when TV mode SOUND SYS M 0B CLTM The data when TV mode SOUND SYS M 4B CLVO The data when YUV mode SOUND SYS M 4B CLVD The data when YUV mode SOUND SYS M 4B DEF A...

Страница 17: ... 27 HSIZ HORIZONTAL SIZE 20 PRBR PRBR 20 TRUM TRUM 10 ECCT ECCT 10 CCB ECCB 10 EHT EHT 24 UCOM Miciom Control 00 PYNX PYNX 2E PYNN PYNN 18 PYXS PYXS 22 PYNS PYNS 1E RCUTS FOR YcbCr R CUTOFF 10 GCUTS FOR YcbCr G CUTOFF 00 BCUTS FOR YcbCr B CUTOFF 10 GDRVS FOR YcbCr R DRIVE 00 BDRVS FOR YcbCr R DRIVE 00 AV OPT AV OPT 06 OPT2 OPT2 38 WAIT TIME WAIT TIME 2F CUR CEN CUR CEN C6 CUR STEP CUR STEP 01 AUST...

Страница 18: ...stors are normal Check 12V 9V 5V Check V552 or CPU POWER control circuit Check D902 V902 and V901 There is breakdown in horizontal circuit and N201 Check switch power circuit Check if rectifier diodes breakdown Replace the rectifier diodes Loading has breakdown Abnormal Normal Normal Abnormal Abnormal Normal Abnormal Normal Abnormal Normal Maintenance Service and Trouble shooting ...

Страница 19: ...e and connector electrode of v411 Check the circuit between pin 32 at N210 and H drive grade Check all voltages of pins at X602 The heater resister is broken Check the connector electrode voltage of V411 There is breakdown in horizontal drive grade Check V444 T401 R437 Check if FBT T402 V411or C415 C416 are leakage of electricity Check if pin 28 voltage 9V at N201 is normal Rechange bad components...

Страница 20: ...R448 are rosin joint and the resistor value of R448 changes larger Check the external circuit of N201 and N201 Normal There is breakdown in the vertical output grate Check if the connector of the deflection yoke is connected well and C433is rosin joint or cutoff and the external circuit of N402 and N402 Check 26V power circuit YES NO YES NO YES NO 3 Maintenance Service and Trouble shooting ...

Страница 21: ...ers has snapping If power amplifier is normal check N201 sound IF circuit and N201 Break the connector electrode of V701 let the black meter rod tap pin 6 at N701 see if the speakers have snapping Check if there is 19V voltage Check sound power amplifier N701 and circuit speaker Check 19V power circuit 4 Yes No Yes No Yes No Maintenance Service and Trouble shooting ...

Страница 22: ...n every pin of tuner Check picture IF channel and V231 V212 N201 Aerial system or tuner breaks down Check the circuit between CPU and tuner NO YES YES NO YES NO NO red Check if V622 is rosin joint or break Replace V622 or joint Check the voltage of pin 1 at XS602 Check V621 R621 Check the circuit between pin 18 at N201 and pin 3 at XS261 YES NO YES NO 5 6 Maintenance Service and Trouble shooting ...

Страница 23: ...here is black words Check L902 C926 C925 Check the circuit between pin 22 pin 24 Replace the compartments Normal Abnormal Check the circuit between V922 R915 C450 and pin 5 at FBT Maintenance Service and Trouble shooting ...

Страница 24: ...R609 10K C611 1000P R819 22K R821 22K V203 C1815Y R256 220 VIDEO TV RB02 18K RB03 18K RB01 5K6 VB02 C2878 VB01 C2878 DB01 HZ5V6 DB02 HZ6V2 DB03 HZ6V2 12 SCL IN SDA I O SCL OUT SDA O I NTSC PAL C811 1u V205 A1015Y V206 A1015Y R258 1K R259 1K X202 X4 5M R257 100 R413 150 V405 2SC2383 O R451 3 3K R421 2W4 7 R415 1W2K7 C417 820P 500V C413 390P 500V T401 BCT 11 C416 47u 35V C421 10u100V L421 L601K V404...

Страница 25: ......

Страница 26: ...resistor K No Function Reference voltage V Position Negative 1 Ground 0 0 0 2 Output 13 0 45 1 9 3 Pump 25 0 5 4 Vertical scan saw tooth wave signal input 0 95 0 9 1 25 5 Vertical scan saw tooth wave signal 0 75 0 68 1 75 6 Vertical power 25 0 5 2 95 7 Vertical power input 0 83 0 65 1 3 N701 TDA7057 Reference resistor K No Function Reference voltage V Position Negative 1 Power supply 26 0 43 1 8 2...

Страница 27: ...ata ground 2 0 2 0 750 600 5 CPU reset 0 0 0 0 6 CPU clock 1 4 1 4 680 2000 7 CPU clock 1 2 1 2 680 2000 8 Testing 6 6 5 0 680 2000 9 5 V power 5 2 4 0 760 2000 10 Ground 1 8 1 8 750 3000 11 Ground 3 6 3 6 820 3000 12 Pulse 0 0 0 0 13 Horizontal output 0 1 0 720 650 14 Horizontal AFC1 1 1 1 1 800 3000 15 Vertical saw tooth wave product 1 1 1 1 800 3000 16 Vertical saw tooth wave output 1 1 1 1 800...

Страница 28: ... 780 2000 32 External sound output 2 0 2 0 640 680 33 SIF signal input and horizontel correction 0 0 0 0 34 DC negative feedback 1 4 1 4 820 2000 35 PIFPLL 2 8 2 8 750 1200 36 5Vpower supply 5 0 5 0 470 800 37 Filting base 2 6 2 6 800 2000 38 De emphasis 2 6 2 6 800 2000 39 IF AGC 1 5 1 5 800 3600 40 IF ground 6 4 6 4 800 2000 41 IF input 1 6 1 6 800 2000 42 IF input 0 0 0 0 43 RF AGC 2 8 2 8 800 ...

Страница 29: ...und 4 0 4 0 820 2000 54 Ground 5 6 5 6 800 1300 55 5V power supply 3 2 3 2 800 2000 56 Mute 1 7 1 7 800 2000 57 I2 C data 0 0 600 12500 58 I2 C serial 0 0 600 12500 59 System control 0 1 0 1 600 12500 60 Tuner voltage output 4 4 4 4 600 10000 61 Video selection contron 0 2 0 2 600 10000 62 H synchron 4 5 4 5 600 12500 63 Remote contron signal input 5 5 600 12500 64 Standby control 3 6 待机 0V 600 80...

Страница 30: ...cus adjustment A Receive electronic circular signal B Set picture mode on standard mode C Adjust focus potentiometer until the optimum picture is achieved 4 White balance adjustment A Set the picture mode on standard mode B Enter the Factory state and adjust WPR WPG WPB RED and GRN C Coordinate of reference white color X 0 281 Y 0 311 5 Adjustment of horizontal and vertical position and size A Swi...

Страница 31: ...ller HTR 054 1 R920 0094102639 Resister RF10 2W 2 4 1 XZ601 0094300007 CRT Socket GZS10 2 BD 1 N401 0094400305 IC LA7841 1 N204 0094401788 IC 8829B 1 N902 0094400808 IC LM7809 1 0094401384 IC STR G9656 1 0094401511 Transistor FJAF6810D 1 V556 0094400834 Transistor 3DG400 1 0094400503 IC HEF4053 1 0094401410 IC TDA7057 1 D901 0094400636 IC CAT24C08P 1 Damageable Parts List ...

Страница 32: ...erance CL21X 100V 223 J Type Voltage Value pF Tolerance CL110X 25V 100 F 20 Type Voltage Value Tolerance 104 10 104 223 22 103 Numbering system of resistor Example RY17S 2W 390 J 05 E A Type Wattage Value Tolerance RS11 1 2W 1 8K K Type Wattage Value Tolerance ABBREVIATION OF PART NAME AND DESCRIPTION RESISTOR CAPACITOR PART NAME DESCRIPTION TYPE ALLOWANCE T Carbon F 1 S Solid J 5 J Metal K 10 Y O...

Страница 33: ...32 Terminal view of transistors E C B B CE KSC2331 YTA B CE KSR1010TA KSR2010TA BC548 CTA EBC CBE KSC815 YTA KSA539 YTA E C B 2SD18887YD Terminal view of transistors ...

Страница 34: ...Sincere Forever Haier Group Tel 86 532 8938356 Web site http www haier com ...

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