Haier HTAF21C, Service Manual

Page 1: ...1 HTAF21C Order NO LA2008HTAF21C 2007 Haier Electronic Company Limited All rights reserved Unauthorized copying and distribution is a violation of law ...

Page 2: ...oduct Products powered b electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product deal with in this service information by anyone else could result in serious injury or death CONTENT 1 WAINING 3 2 SPECIFICATIONS 5 3 FEATURES AND TECHINICAL DESCRIPTION 6 4 ADJUSTMENT 8 5 CIRCUIT EXPLANATION 12 6 MAINTENANCE SERVICE AND TROU...

Page 3: ... installation This equipment generates use and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference with not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determine...

Page 4: ... defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet To prevent electric shock ensu...

Page 5: ...When the unit exhibits a distinct change in performance this indicates a need for service 15 Heat The product should be situated away heat source such as radiators heat registers stoves or other products Including amplifiers that product heat 16 Overloading Do not overload wall outlets and extension cord as this can result in a risk of fire or electric shock 2 Specification Model HTAF21C Screen si...

Page 6: ...TV processor PH2LF 16 Phase 2 filter PH1LF 17 Phase 1 filter GND3 18 Ground 3 for TV processor DECBG 19 Band gap decoupling AVL EWD 20 Automatic volume levelling VDRB 21 Vertical drive B output VDRA 22 Vertical drive A output IFIN1 23 IF input 1 IFIN2 24 IF input 2 IREF 25 Reference current input VSC 26 Vertical sawtooth capacitor TUNER AGC 27 Tuner AGC output AUDEEM SIFIN1 1 28 Audio deemphasize ...

Page 7: ...or 3 3 V VPE 55 Ground VDDC 56 Digital supply to core 3 3 V OSCGND 57 Oscillator ground supply XTALIN 58 Crystal oscillator input XTALOUT 59 Crystal oscillator output RESET 60 Ground VDDP 61 Digital supply to periphery 3 3 V P1 0 INT1 62 AV1 AV2 mode Output P1 1 T0 63 AV S VHS mode Output P1 2 INT0 64 Remote control signal input Note Pin TV SVHS AV1 AV2 62 1 0 0 1 63 1 1 0 0 2 N202 24C08 PCF8598 P...

Page 8: ...into factory mode Press Program Program to select items and press VOLUME VOLUME key to make data adjustment 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 com...

Page 9: ...mperature 9300K 3 JND Direct access key Items Description Preset Remark 1 5 6HSH Horizontal shift ON A 2 5 6VSL Vertical slop 32 A 5 6VAM Vertical amplitude 23 A 5 6SCL S correction 17 A 5 6VSH Vertical shift 27 A 5 6VOF OSD Vertical offset 37 A HOF OSD Horizontal offset 42 A 3 RED Black level offset R 32 A GRN Black level offset G 32 A WPR White point R 30 A WPG White point G 26 A WPB White point...

Page 10: ...rk Bit 0 AV1 1 Enable 1 EA Bit 1 SVHS 1 Enable 0 EA Bit 2 COMB FILTER 1 Enable 0 EA Bit 3 DVD 1 Enable 0 EA Bit 4 RGB 1 Enable 0 EA Bit 5 HALFTONE 1 Enable 0 EA Bit 6 AV2 1 Enable 1 EA Bit 7 RESERVE 1 Enable 0 EA 2 OP2 Bit Function Description Preset Remark Bit 7 RESERVE 1 Enable 0 EA Bit 6 TILT 1 Enable 0 EA Bit 5 OSO 1 Enable 0 EA Bit 4 RESERVE 1 Enable 0 EA Bit 3 RESERVE 1 Enable 0 EA Bit 2 FMW...

Page 11: ...A 5 OP5 Bit Function Description Preset Remark Bit 7 AUTO 1 Enable 1 EA Bit 6 FREQ 1 Enable 0 EA Bit 5 AV SOUND 1 Enable 0 EA Bit 4 RESERVE 1 Enable 0 EA Bit 3 RESERVE 1 Enable 0 EA Bit 2 SPANISH 1 Enable 1 EA Bit 1 FRENCH 1 Enable 1 EA Bit 0 ENGLISH 1 Enable 1 EA 6 OP6 Bit Function Description Preset Remark Bit 7 RESERVE 1 Enable 0 EA Bit 6 RESERVE 1 Enable 0 EA Bit 5 SOFT CHANGE AV 1 Enable 0 EA...

Page 12: ...essor PH2LF 16 Phase 2 filter PH1LF 17 Phase 1 filter GND3 18 Ground 3 for TV processor DECBG 19 Band gap decoupling AVL EWD 20 Automatic volume levelling VDRB 21 Vertical drive B output VDRA 22 Vertical drive A output IFIN1 23 IF input 1 IFIN2 24 IF input 2 IREF 25 Reference current input VSC 26 Vertical sawtooth capacitor TUNER AGC 27 Tuner AGC output AUDEEM SIFIN1 1 28 Audio deemphasize or SIF ...

Page 13: ...or 3 3 V VPE 55 Ground VDDC 56 Digital supply to core 3 3 V OSCGND 57 Oscillator ground supply XTALIN 58 Crystal oscillator input XTALOUT 59 Crystal oscillator output RESET 60 Ground VDDP 61 Digital supply to periphery 3 3 V P1 0 INT1 62 AV1 AV2 mode Output P1 1 T0 63 AV S VHS mode Output P1 2 INT0 64 Remote control signal input Note Pin TV SVHS AV1 AV2 62 1 0 0 1 63 1 1 0 0 2 N202 24C08 PCF8598 P...

Page 14: ...IN 2 Input V OUT 7 Vertical 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 2 5Vpp 2 5Vpp 3 8Vpp H H H 0 8Vpp ...

Page 15: ...7 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 TDA8357 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 AN 7522N 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 5 6 7 8 V 0 0 5 1 0 3 ...

Page 16: ...16 7 CIRCUIT DIAGRAM AND WIRING CONNECTION DIAGRAM ...

Page 17: ... 470 R106 25V 220µF C102 MTZJ5 1B DZ102 63V 0 1µF C101 1 6W 68K R261 1N4148 VD217 1 6W 9 1K R260 1 6W 1K R227 1 6W 9 1K R262 B4 12V C214 104 SYSTEM 1W 33 R110 LGA0203 100 L102 SDA SCL 1 6W 22 R103 SPEAKER SPEAKER INPUT INPUT 2 VCC 3 OUT 4 GND 5 VFB 6 OUT 7 VO 8 VI 9 TDA8357J N301 1 2W 1 R415 100V 33uF C304 LGA0305 10uH L306 MTZJ15C DZ303 63V 0 047µF C306 1 2W 1 5 R308 1 2W 10 R302 1 6W 12K R311 1 ...

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Page 19: ...17 Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...