Haier 1407 Service Manual Download

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CONTENTS

1. Safety

precautions……………………………………………………………..……………3

2. TV

block

diagram……………………………………………………………………..…….4

3. Replacement of memory IC………………………………………………………….……5

4. Service

adjustment……………………………………………………………..…………...5

5. ICs functional description…………………………………………………………………8

6. Test

point

waveform………………………………………………………………………10

7. All

ICs

voltages……………………………..……………………………………………….10

8. Purity / convergence adjustment………………………………………………………12

9. CIRCUIT

DIAGRAM…………………………………………………………………Attached

10. WIRING CONNECTION DIAGRAM………………………………………………Attached

Summary of Contents for 1407

Page 1: ...SERVICE MANUAL Colour Television Haier model 1407 Customer model HTAR14 CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE ...

Page 2: ...ock diagram 4 3 Replacement of memory IC 5 4 Service adjustment 5 5 ICs functional description 8 6 Test point waveform 10 7 All ICs voltages 10 8 Purity convergence adjustment 12 9 CIRCUIT DIAGRAM Attached 10 WIRING CONNECTION DIAGRAM Attached ...

Page 3: ...not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 8 When service is required observe the original lead dress Extra precaution should be given to assure ...

Page 4: ... 4 2 Block diagram TDA11115HPS N2 series with mono intercarrier sound demodulator ...

Page 5: ... of corresponding factory menus Press EXIT key to exit factory mode Focus adjustment 1 Receive a crosshatch signal 2 While watching the screen adjust the FOCUS VR on the FBT to make the vertical and horizontal lines as fine and sharp as possible Geometrical adjustment Receive PAL standard complete pattern signal Adjustment steps a Adjust VSL to the centre horizontal line just appears from half bot...

Page 6: ... Take Over A AGC SPEED AGC SPEED A OIF 8 A IF 0 38MHz 1 45 75MHz 2 38 90MHz 3 33 90MHz 0 FFI EVERADJUST 0 GD 0 MTXF 0 BRIGHTMAX 63 CONTRASTMAX 63 CONTRASTMID 55 HUEMID 32 NOTE THE ITEMS WITH REMARK A IS ADJUSTABLE DATA Optional data 1 OP1 Bit Function Description Preset Remark Bit 0 6HSH 5HSH 0 63 0 63 EA Bit 1 VSD 0 63 0 63 EA 2 OP2 Bit Function Description Preset Remark Bit 7 5 6VSL Vertical slo...

Page 7: ... 32 EA 5 OP5 Bit Function Description Preset Remark 1 0BRI Soft Brightness 40 EA 2 0COL Soft Color 40 EA 3 0CON Soft Contrast 40 EA 4 0SHP Soft Sharpness 50 EA 5 1BRI Standard Brightness 50 EA 6 1COL Standard Color 50 EA 7 1CON Standard Contrast 50 EA 8 1SHP Standard Sharpness 20 EA 9 COLORMID COLORMID 26 EA 10 BRIGHTNESSMID BRIGHTNESSMID 32 EA 11 VOLUMEMID VOLUMEMID 32 EA 6 OP6 Bit Function Descr...

Page 8: ...Power ON this pin will be high SCL 2 I 2 C bus clock line SDA 3 I 2 C bus data line TUNING 4 tuning Voltage Vt PWM output KEY 5 Control keys input SYSTEM 6 TV system control VOL 7 Sound Volume control PWM output MUTE 8 Sound mute output VSSC P 9 Digit ground for µ controller core and periphery CTL 10 DVD power control STANDBY 11 STANDBY control VSSA 12 Analog ground of digital ground of TV process...

Page 9: ...SW2 45 YUV insertion input R2 VIN 46 R input V R Y input PR input G2 YIN 47 G input Y input B2 UIN 48 B input U B Y input PB input BCLIN 49 Beam current limiter input BLKIN 50 Black current input RO 51 Red output GO 52 Green output BO 53 Blue output VDDA 54 Analog supply of Closed Caption decoder and digital supply of TV processor 3 3 V VPE 55 Ground VDDC 56 Digital supply to core 3 3 V OSCGND 57 ...

Page 10: ...al output Vcc 3 Pump up power V PRO 8 Vertical protection V OUT 4 Vertical output V FEEDBACK 9 Vertical feedback GND 5 Ground 5 U101 Tuner PIN Function PIN Function 1 AGC 7 5V 2 vacant 8 vacant 3 Gnd 9 Vt 33V 4 SCL 10 Gnd 5 SDA 11 IF Out 6 5V 6 Test point Waveforms 5Vpp 0 9Vpp 1 3Vpp H H 1Vpp V CRT KB CRT KG CRT KR 95Vpp 95Vpp 95Vpp H H H TDA1115IN40 2 5Vpp 2 5Vpp 3 8Vpp H H H TDA1115IN40 TDA1115I...

Page 11: ...3 0 2 PIN 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 V 0 5 0 3 0 1 7 2 4 3 4 8 3 9 0 3 3 0 3 6 1 4 2 5 2 5 2 5 PIN 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 V 1 9 5 0 2 4 2 4 2 4 3 1 0 3 2 0 1 8 1 7 0 3 2 5 1 3 3 5 TDA4864 PIN 1 2 3 4 5 6 7 8 9 V 0 8 0 7 16 6 9 0 43 7 2 0 3 7 2 TDA1517 PIN 1 2 3 4 5 6 7 8 9 10 11 12 V 10 4 4 0 4 4 2 75 1 4 0 1 4 0 35 4 4 0 4 4 24C08 PCF8598 PIN 1 2 3 4 ...

Page 12: ...o the centre of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is horizontal 12 Input red and blue raster signals and make sure that purity is properly adjusted CRT WEDGE...

Page 13: ...t convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make the best convergence After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the 6 magnets with glue FRO...

Page 14: ...C602 0 47uF 16V C601 0 47uF 16V Z201 K7266D 1 2 3 4 5 X301 RGB AMP Gnd1 L505 2uH C510 47uF 50V N505 KA431 1 2 3 4 5 VFB VCC SYNC N502 KA5Q0765BT Gnd Gnd Gnd R506 10 V509 BPSS5140S R532 1 5K R531 10K Gnd Gnd 1 2 3 4 N501 PC817 C356 22nF Gnd C309 220nF R338 100 VP1 1 VP3 2 VP2 3 GND 4 Vout 5 IN 6 IN 7 N801 TDA4864AJ Gnd SCL SDA STBY IR V305 C1815 V301 C1815 V302 C1815 IF1 IF2 Main R Main L FBLY Hout...

Page 15: ...Location No Specification Qty Cord POWER BAND AV PCB ...

Page 16: ...16 Sincere Forever ...

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