Haier DTA-1518, Service Manual

Page 1: ...TV DVD 1533FL FEATURES z DVD TV 15 COMBO z AUTO TUNE 250 CHANNES z DVD VCD SVCD CD CD R CD RW JPEG MP3 COMPATIBLE z FORMATO DE VIDEO 4 3PS 4 3LB z DOLBY AC 3 DECODE z PANATAL LOCK CAUTION READ THIS MA...

Page 2: ...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 DVD maint...

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 gro...

Page 4: ...4 2 Block diagram TDA9351PS N2 series with mono intercarrier sound demodulator...

Page 5: ...ess AV TV 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...

Page 6: ...tical Offset 2 HOF 36 A OSDHorizontalOffset 2 ZOOM 32 A 16 9 scene extent 2 VOL0 6 A MIN volume 2 VOL16 16 A SET VOLUME 16 2 VOL32 32 A SET VOLUME 32 2 V63 63 A MAX volume 3 WPR 31 A White Point R WPG...

Page 7: ...IF 100 A Brightness 100 SHPF 100 A Listen Sharpness RGBL 8 A boot strap wait for time ONMT 1F A boot strap black time 6 LCOL 3 A factory standard color SIZE 3 A factory standard size ICON 5 A Soft CON...

Page 8: ...Bit 4 CHANNEL_IN_SCART 1 Enable 1 EA Bit 5 IDENT_SENSITIVE 1 Enable 0 EA Bit 6 HALFTONE 1 Enable 0 EA Bit 7 ZOOM 1 Enable 0 1 Enable ZOOM EA 5 OP5 Bit Function Description Preset Remark Bit 0 SOUND_BG...

Page 9: ...EA Bit 3 ITALY 1 Enable 1 EA Bit 4 RUSSIA 1 Enable 1 EA Bit 5 SPANISH 1 Enable 1 EA Bit 6 PORTUGUESE 1 Enable 1 EA Bit 7 DUTCH 1 Enable 1 EA Note Don t adjust any OPTION items please inform the engin...

Page 10: ...0 internal CVBS input GND 41 ground for TV processor CVBS Y 42 CVBS SVHS Y input C IN 43 SVHS C input AUDIO 44 Audio output INSW2 45 YUV insertion input S R 46 R input V R Y input PR input S G 47 G in...

Page 11: ...gnal 4 Vertical deflection booster TDA4863AJ Symbol PIN Function Symbol PIN Function VP1 1 positive supply voltage 1 V OUT 5 vertical output VP3 2 flyback generator output INN 6 inverted input of diff...

Page 12: ...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 TDA4863AJ PIN 1 2 3 4 5 6 7 13...

Page 13: ...he 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 t...

Page 14: ...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 periph...

Page 15: ...nding pins of MT1389D to see if there is any short circuit break or faulty soldering 4 System in normal operation but the audio has no sound 1 Because the AUDIO DAC is built in MTK1389D IC you need to...

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Page 18: ...16 Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com...