Hitachi 27CX22B 501 Service Manual Download | Manualshive

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Summary of Contents for 27CX22B 501

Page 1: ...15 119 of the FCC rules TABLE OF CONTENTS Introduction 1 Interconnect Diagram 19 Service Menu 2 Main Module Schematics 20 Factory Settings 4 Main Module S M D Layout 25 Servicing 5 Main Module Component Layout 26 IF and Audio Alignment 7 PIP Module Schematic 27 Purity Convergence Procedure 8 Jack Pack Schematic 28 Remote Control 10 Keyboard Schematic 29 Component Parts List 13 l 8 Remote Schematic...

Page 2: ...when the HV is at the factory specified level The proper value is also given in the applicable schematic Operation at higher voltages may cause a failure of the picture tube or high voltage supply and under certain circumstances may produce radiation in excess of desirable levels Only factory specified CRT anode connectors must be used The degaussing shield also serves as an x ray shield in color ...

Page 3: ...e ICs for all signal sync and sweep processing ICX2200 handles the audio video sync and sweep drive processing IC6000 is the microprocessor and IC6001 is the memory The keybo and IR detector are tied directly to IC6000 IC2100 handles the vertical sweep ICX3431 is in the power supply This is a switching type supply powered by the bridge rectifier circuit At turn on volta for the vertical and video ...

Page 4: ...hey will appear on the screen one at atime at the top left of the screen The black bars at the top and bottom of the screen as shown in Figure 1 will not appear A quick way to determine Factory Mode is On is if a pair of dashes appears at the top of the Customer Setup Menu Other unusual things to look for when Factory Mode is On are for example the AC power on feature is always enabled regardless ...

Page 5: ... Normal l H V Locked 2 Ideal 3 V Locked Range 0 to 3 23 PifVco PIF Voltage Controlled Oscillator Range 0 to 127 Items 24 28 are for B W tracking and change depending on the Color Temp setting in the Video Menu 24 R Cut Red Cutoff Range 0 to 254 25 G Cut Green Cutoff Range 0 to 254 26 B Cut Blue Cutoff Range 0 to 254 27 G DVR Green gain Range 0 to 254 28 B DVR Blue gain Range 0 to 254 PIP Parameter...

Page 6: ...e On Screen Displays Horizontally 1 is other 0 is P Lb1 Hitachi Broadcast fixed 1is On 0 is Off TECHNICAL SETTINGS Black 80 0 17 0 35 z 0 19 ii 35 46 13 4 0 81 Caption Phase 0 is Off 1 is On Caption Line RF Bandpass Filter 1is On 0 is Off 3 58 Mhz Trap RF Sub brightness AUX Sub brightness Maximum Contrast Vertical Phase Horizontal Phase Sound Attenuation Gain for LCS MTS audio Sound Balance RF AGC...

Page 7: ...r l 2 overscan on both sides of the picture Use the following procedure when re setting G 2 1 2 3 4 5 Set brightness and contrast in the Video Menu to mid range Set color level to minimum and tint to midrange Connect output of an NTSC generator to antenna input on receiver Select a color bar signal and turn color off Adjust G2 control so that bar patterns range from completely black to a not overd...

Page 8: ...ce Menu and selecting item 04 level Use the adjust button to change the level HIGH VOLTAGE IS NOT ADJUSTABLE CRT Socket 45101 LIZ05 AUDIO DETECTOR oi ml VIDEO IC2200 KEYBOARD CONNECTOR II 2K6 r I MICRO IC6000 EAROM IC6001 FX3402 5A 2 5ov Main Module 27V LINE FX3401 4A 25ov TUNER VERTICAL YOKE t t t HORIZONTAL VERTICAL SIZE FOCUS WIDTH I G2 6 ...

Page 9: ...nt c be made with jack pack removed or attached to the chassis Service menu item 17 AudLvl should not be changed unless ICX2200 hasbeen replaced on the main chassis If an MTS jack pack is changed the new coefficients bar code data must be entered in the Service menu for proper stereo alignment Attach a high impedance AC meter with a 47k load to pin 3 and ground lead to pin 4 of 4A9 Ground pin 7 of...

Page 10: ...ing assembly 2 Connect crosshatch generator to the receiver and adjust static center convergence as follows a Adjust the 4 pole static control by moving the two tabs separately to converge the red and blue lines horizontally Move the two tabs together around the neck of the CRT in a 45 arc from the top dead center position to converge the red and blue lines vertically b After the 4 pole control ha...

Page 11: ...ertical tilt in the opposite or up direction to obtain convergence In such cases insert the vertical tilt wedge at the bottom or 6 o clock position Follow through the horizontal tilt adjustment by using the 2 and 10 o clock position and secure each wedge with a piece of tape as described above TT LClamp and Screw L I6 Pole Magnets 2 Pole Magnets 4 Pole Magnets IMPROVING CRT CORNER PURITY CRTs that...

Page 12: ...REMOTE CONTROL A B C FAV HITACHI CLu 4lIuu I i PAUSE f i 1 i HITACHI CLU 418U2 10 ...

Page 13: ...the code PressPOWER to turn On your product Test your product If the remote fails to operate the functions you use most often use Auto Find again to search for a better code Auto Find resumes its search after the last code that was entered and saved in step 7 If the product you want to control has not turned off your remote will not work with that product proauct T sv cancel Auto Find press PRG at...

Page 14: ...31 Aiwa I231 J C Penney 104 110 114 117 119 Radio Shack 487 488 Realistic I480 Tatung I202 I Bell Howell JVC t 125 132 164 1 KMC I103 I KTV 1103 104 I38 1 Teat t 202 231 I Sanyo 1481 I 410 411 412 438 460 413 Scott Sharp Sherwood Sony Soundesign Teat Technics Yamaha Zenith 482 483 487 488 489 490 49 1 492 461 4Y8 501 502 494 495 497 496 460 461 498 501 502 Kurazai 121 Lodgenet I21 Lo k 121 LX1 133...

Page 15: ... PFD 0 5 B 0 5 PFD 5 CAPACiTOR IO PFD OS C C 5 PFD 5 CAPACITOR 47 PFD 5 50V CAPACITOR 22 PFD 10 5OV CAPACITOR CAPACITOR 2 700 PFD 10 50V CAPACITOR 1 00 PFD 20 5OV CAPACITOR 2 200 PFD 20 5OV CAPAClTOR 10 OOU PFD 20 25 V CAPACITOR iO ooO PFD 20 25V CAPACITOR 10 ooO PFD 20 25V CAPACITOR IO WO PFD 20 25V CAPACITOR 10 COO PFD 20 25V C 206 03326 INSTR BOOK OPERATION GUIDE A 206 03326 INSTR BOOK OPERATIO...

Page 16: ...APACITOR 15 000 PFD 10 16V CAPACIT0R22 600 PFD 10 16V PLUG 2 5 MM 2 POSITION CONNECTOR MULTIPRONG CONNECTOR MULTIPRONG I REF PART DESCRIPTION JO802 Jo804 078 03402 CONNECTOR PHONO RED JO801 Jo803 078 03402 01 CONNECTOR PHONO WHITE JO806 078 3402 62 CONNECTOR PHONO YELLOW SW0801 085 01778 03 SWITCH SLIDE REGULAR R0859 ROB69 063 10235 24 RESISTOR FILM 10 OHM 5 1 4W ROOOl 063 10235 45 RESISTOR FILM 7...

Page 17: ... M C6022M C6023M C6024M C5101M C5102M C5103M C2257M C6OO2M C6005M C1221M C1224M C1231M C2237M C1202M C6031 M C1227M C1228M C1234M C5107M C6052M C6053M C6054M C6055M C6056M C6057M 022 O831864 CAPACITOR 1 MFD 20 35OV 022 08352 14 CAPACITOR 12 PFD 5 5OV 022 08352 20 CAPACITOR 22 PFD 5 W 022 08352 22 CAPACITOR 27 PFD 5 5OV 02206352 24 CAPACITOR 33 PFD 6 5OV 022 08352 38 CAPACITOR 120 PFD 5 50V 022 083...

Page 18: ...HICK FILM CHIP 47 OHM 6 l lOW RESISTOR THICK FlLM CHIP 47 OHM 5 l low RESISTOR THICK FlLM CHIP 47 OHM 5 l lOW R2252M R2266M R2263M R5102M R5f13M R5114M R1223 R2212 063 l 0235 48 RESISTOR FILM 100 OHM 5 114W R2219 R2220 063 l 0235 48 RESISTOR FILM 100 OHM 5 114W R2278 063 l 0235 48 RESISTOR FILM 100 OHM 5 1 4W RI209 R2282 963 l 0235 56 RESISTOR FILM 220 OHM 5 114W R3243 063 l 0235 56 RESISTOR FILM ...

Page 19: ...K FILM CHIP 3 9K OHM 5 l low RESISTOR THICK FILM CHIP 3 9K OHM 5 l low RESISTOR THICK FILM CHIP 4 7K OHM 5 l low RESISTOR THICK FILM CHIP 4 7K OHM 5 VIOW RESISTOR THICK FILM CHIP 4 7K OHM 5 l low RESISTOR THICK FILM CHIP 4 7K OHM 5 1IlOW RESISTOR THICK FILM CHIP 4 7K OHM 5 l lOW RESISTOR THICK FILM CHIP 4 7K OHM 5 l low RESISTOR THICK FILM CHIP 4 7K OHM 5 l lOW RESISTOR THICK FILM CHIP 6 EKOHM 5 l...

Page 20: ...TOR PNP SILICON 019 00824 02 CLIP TRANSISTOR MOUNTING 019 01197 02 CLIP HEATSINK MOUNTING 1 1 1 1 1 i i i P i i i t 17 1 i i i i i i i j rlii i i i id l s liil j81I lijlil i i i i i i 019 01197 02 CLIP HEATSINK MOUNTING I l l I i i j il WQ ti i i i l i i i 22 0002 fl i i i jji i Ifnm KTi g iG M l T xQufig c j j_ ri i 1 I I I A iii i I i i j l i r Y I 1 pi I j j _ y i i _ i ibss iI I 1 1 s i t 1i i...

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