Hitachi CML153 Service Manual Download Page 9 | Manualshive

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2. ADJUSTMENT CONDITIONS

A. Measuring Apparatuses Used

Necessary measuring equipment that for the adjustment of LA-1221JMW’s MAIN PWB are
following items.

Adjusted Video Generator.

Oscilloscope (more than 4 channels required)

DC voltmeter

Audio analyzer (Panasonic VP-7723A)

B. Input Signal

Input signal by using video signal generator with VGA Card port for this adjustment.

C. Indication

Input signal by using video signal generator with VGA Card port for this adjustment.

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Summary of Contents for CML153

Page 1: ...ehäuses hat der Service Ingenieur die Sicherheitshinweise und Hinweise zur Produktsicherheit in diesem Wartungshandbuch zu lesen SERVICE MANUAL Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manuel d entretien peuvent faire l objet de modifications en vue de perfectionner le produit Die in diesem Wartungshandbuch enthaltenen ...

Page 2: ...CONTROL BOARD 7 A Description 7 B Features 7 C Block Diagram Control CKT 7 D Connector Locations 8 E Connector Type 8 F Connector Pin Assignment 8 6 VK 526 CONTROL PANEL AND AUDIO BOARD 13 A Description 13 B Electrical characteristics 13 C Connector and Switch Locations 13 D Connector Type 13 E Connector Pin Assignment 14 7 VP 531 POWER BOARD 16 A Description 16 B Electrical characteristics 16 C C...

Page 3: ... Regulator 19 9 INTRODUCTION 20 A Front Panel Control and Led 20 B Rear Panel connector Input Signals 21 10 TROUBLESHOOTING 22 A Main Procedure 22 APPENDIX A DISPLAY UNIT ASSEMBLY 27 APPENDIX B PCB ASSEMBLY 29 ...

Page 4: ... For continued protection against Low Radiation replace only with same part number 2 This symbol warns the personnel that un insulated voltage within the unit may have sufficient magnitude to cause electric shock Therefore it should be read carefully in order to avoid any problems ...

Page 5: ...fresh rate 1024 x 768 non interlaced 60Hz to 75 Hz vertical refresh rate Synchronization Frequencies Horizontal 24 kHz to 60 kHz Vertical 56 Hz to 75 Hz 1024 x 768 is up to 75 Hz Pixel Frequency 21 Mhz to 78 Mhz Resolution Horizontal 1024 dots Vertical 768 lines Active Display Area Horizontal 304 1 mm Vertical 228 1 mm Viewing Angles Up 40deg down 45deg TYP Left 60deg Right 60deg TYP CR 10 Display...

Page 6: ...ush to ON and push to OFF toggle switch 7 Ear Phone Jack 8 Volume Control C Power Management C 1 Power Management condition and status State Signals Power Video LCD LED Horizontal Vertical Video Supply Circuit On Pulses Pulses Active On On On Green Stand by No Pulses Pulses Blanking Off Off Yellow Suspend Pulses No Pulses Off No pulses No pulses Blacking On Yellow DC Power off Don t care Don t car...

Page 7: ...suspend off mode 2 LED Dark DC power off C 3 Power Consumption Meet VESA DPMS Proposal On mode 25 Wmax Stand by 5 Wmax Suspend 5 Wmax Off mode 5 Wmax DC power off 5 Wmax disconnection 5 Wmax Measured from AC input end of AC power adapter and not include audio at power saving state The stand by suspend and off mode recover to on mode about 3 seconds ...

Page 8: ...20 37 5 840 640 64 16 120 31 5 640x480 VESA 480 75Hz 75 500 480 3 1 16 31 469 900 720 108 18 54 28 322 720x400 VGA 400 TEXT 70 087 449 400 2 12 35 35 156 1024 800 72 24 128 36 800x600 SVGA 56 25 625 600 2 1 22 37 879 1056 800 128 40 88 40 800x600 VESA 600 60Hz 60 317 628 600 4 1 23 48 077 1040 800 120 56 64 50 800x600 VESA 600 72Hz 72 188 666 600 6 37 23 46 875 1056 800 80 16 160 49 5 800x600 VESA...

Page 9: ...WB are following items Adjusted Video Generator Oscilloscope more than 4 channels required DC voltmeter Audio analyzer Panasonic VP 7723A B Input Signal Input signal by using video signal generator with VGA Card port for this adjustment C Indication Input signal by using video signal generator with VGA Card port for this adjustment ...

Page 10: ...ng Regulator Adapter A 1 Specifications Input voltage AC 100 240Vac Rated input voltage AC 90 264Vac Frequency 50 60 Hz Rated frequency 47 63 Hz DC output Out voltage 12V Maximum output current 3 33A Minimum output current 0A Range of voltage Regulation 5 ...

Page 11: ...connected with boards to be inspected before adjustments Refer to diagram below A Connection Method 1 R G B Signal Cable 2 Audio Signal Cable 3 DC Power Cable 4 Inverter Cable 5 Control Cable 6 Audio Cable 7 LCD Lamp Cable 8 EAR phone Cable ...

Page 12: ...n XGA mode Auto Zoom Support VESA DPMS function Support DDC2B functions C Block Diagram Control CKT C 1 Sage Operation The s9050 100 is highly integrated display processors It has an ADC PLL block and a microprocessor integrated on a single chip The cost effective s9050 100 is suitable for the XGA and the s9050 for the SXGA market segment with smaller memory requirements Other features include a b...

Page 13: ... 4011 E T 40 F Connector pin assignment F 1 CN1 Pin NO Signal Comment 1 R Video Red Video Input 2 G Video Green Video Input 3 B Video Blue Video Input 4 Ground Ground 5 Ground Ground 6 Ground Ground 7 Ground Ground 8 Ground Ground 9 5V DCC DDC Power Input 10 NC NC 11 Ground Ground 12 DDC SDA DDC 2B Data 13 HS Horizontal Sync Input 14 VS Vertical Sync Input 15 DDC SCL DDC 2B Clock ...

Page 14: ...dd dot Green Data bit 2 16 0G1 Odd dot Green Data bit 1 17 0G0 Odd dot Green Data bit 0 LSB 18 GND Ground 19 0R5 Odd dot Red Data bit 5 MSB 20 0R4 Odd dot Red Data bit 4 21 0R3 Odd dot Red Data bit 3 22 0R2 Odd dot Red Data bit 2 23 0R1 Odd dot Red Data bit 1 24 0R0 Odd dot Red Data bit 0 LSB 25 GND Ground 26 CPH2 Pixel Clock Input 27 GND Ground 28 GND Ground 29 NC No connecting 30 NC No connectin...

Page 15: ... Gate Driver Output Enable Signal 9 EB1 Even dot Blue Data bit 1 39 GND Ground 10 EB0 Even dot Blue Data bit 0 LSB 40 GND Ground 11 GND Ground 12 EG5 Even dot Green Data bit 5 MSB 13 EG4 Even dot Green Data bit 4 14 EG3 Even dot Green Data bit 3 15 EG2 Even dot Green Data bit 2 16 EG1 Even dot Green Data bit 1 17 EG0 Even dot Green Data bit 0 LSB 18 GND Ground 19 ER5 Even dot Red Data bit 5 MSB 20...

Page 16: ...ise key 6 KEY Down Function select counter clockwise key 7 KEY R Adjust up key 8 KEY L Adjust down key 9 KEY POWER Power ON OFF key 10 GND GND F 5 J3 Pin NO Signal Comment 1 5V VL531 power input 2 5V VL531 power input 3 GND Ground 4 GND Ground 5 BLON Back Light ON OFF 6 MUTE Audio amplifier control signal 7 BRIGHT Brightness Adjustment ...

Page 17: ...r Item Audio Input Freq Spec Comment Min Typ Max Input Voltage V 11 4 12 12 6 Input Current mA 500 800 Audio Voltage Gain 500mVrms 1KHz 10dB Volume Max load 8 Ω Frequency Response 100mVrms 20Hz 20KHz 3dB 3dB Volume Max load 8 Ω Signal to Noise ratio 500mVrms 1KHz 60dB Volume Max load 8 Ω Cross talk 100mVrms 1KHz 30dB Volume Max load 8 Ω Distortion 500mVrms 1KHz 1 Volume Max load 8 Ω Output Watt 50...

Page 18: ...AR Phone out R 9 L EAR EAR Phone out L 10 ROUT Speaker out R 11 LOUT Speaker out L E 2 J2 Pin NO Signal Comment 1 NONE 2 LED Y Power saving mode 3 LED G Monitor on mode 4 10 GND Ground 5 KEY UP Function select up to VL 531 6 KEY DOWN Function select down to VL 531 7 KEY R Function select right to VL 531 8 KEY L Function select left to VL 531 9 KEY PWR Power ON OFF signal to VL 531 E 3 J3 and J4 Pi...

Page 19: ... R E 5 Switch definition Location Definition S1 Power ON OFF S2 Function select by clockwise direction S3 Function select by counter clockwise direction S4 Adjust up S5 Adjust down E 6 LED definition Location Definition D1 Green for ON mode Yellow for DC power off stand by suspend and off mode E 7 Variable resistor VR1 Volume control clockwise for decreasing counter clockwis for increasing ...

Page 20: ...5KHz 70KHz EFFICIENCY 75 Vin 12V Operating Life Time 50 000 Hours noto Note Life time Hr can be defined as the time in which it continues to operate under the condition Ta 25 3 C IL 6 0Ma ms and fL 30 KHz until one of the following event occurs 1 When the brightness becomes 50 2 When the startup voltage Vs at 0 C becomes higher than the maximal value of Vs specified above B 2 DC DC power B 2 1 Inp...

Page 21: ...pin assignment C 2 1 J920 J960 VP 531 Pin NO Signal Comment 1 LV Low voltage common 2 HV High voltage for lamp C 2 2 J3 Pin NO Signal Comment 1 2 Vcc 5V 5 Ven Back light ON OFF control high active 3 3V 3 4 GND 6 MUTE1 Audio mute 7 Vbr BRITE Brightness 0 3 4V control from VL 531 0 7V for min brightness C 2 3 J801 DC 12V INPUT Pin No Signal Comment PIN1 12V From adapter output cable PIN2 GND From ad...

Page 22: ...ent 14 1 MUTE 1 Audio mute 15 2 GND Ground 16 3 RIN 1 Audio volume adjust line INR 17 4 LIN 1 Audio volume adjust line INL 18 5 RIN 2 Audio volume adjust line OUTR 19 6 LIN 2 Audio volume adjust line OUTL 20 7 GND Ground 21 8 R EAR EAR Phone out R 22 9 L EAR EAR Phone out L 23 10 ROUT speaker out R 24 11 LOUT soeaker out L ...

Page 23: ...ts U5 Sage reference clock D Image Engine Zoom The U5 Sage is a image engine that have following functions 1 The Sage is a IFM Input Format Measurement 2 The Sage are both high guilty scalar and timing controller chip E Power Regulator 1 The U12 APL117 is 1A linear regulator that transfer input voltage from 5V to 3 3V supports U5 2 The U13 AIC1084 is 5A linear regulator that transfer voltage from ...

Page 24: ...Turns rhe monitor on and off 2 Power LED 1 Green indicates monitor is turns on 2 Yellow indicates DC power off 3 Amber indicates stand by suspend off mode 3 4 Function Button Launches OSD function menu circully 5 Plus Button Selects and adjusts the functions 6 Minus Button Selects and adjusts the functions ...

Page 25: ...nnector Input Signals Rear Panel Cable and Connector Item Cable Connector Function 1 Signal Connector Connectors the video cable 2 Audio Connector Connector the audio cable 3 Power Connector Connectors the adapter cable ...

Page 26: ...22 10 TROUBLESHOOTING A Main Procedure ...

Page 27: ...23 A 1 Power Circuit Troubleshooting ...

Page 28: ...24 A 2 Backlights Troubleshooting ...

Page 29: ...25 A 3 Performance Troubleshooting ...

Page 30: ...26 A 4 Function Troubleshooting ...

Page 31: ...27 APPENDIX A Display Unit Assembly ...

Page 32: ...28 ...

Page 33: ...29 APPENDIX B PCB ASSEMBLY ...

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Page 41: ...LY FACM5537100 011 STAND ASSEMBLY FACM5539100 301 LCD MODULE HSD150SX82 C AC600019000 307 CONNECTOR SET 10P DC020147200 308 CONNECTOR SET 7P DC020147800 309 CONNECTOR SET 11P DC020143600 314 NET WIRE SET NA200200200 315 CORE KING DC150009600 316 FPC CS555 VF 531 REV1 DA3S555V000 351 PCB CONTROL VL 531 461A5788004 352 PCB I B VP531 LCS555 453A5730001 354 PCB KEY RESISTOR VR 454A3630001 CARTON HB4CS...

Page 42: ...IBERICA S A Gran Via Carlos III 101 1 08028 Barcelona SPAIN Tel 093 409 2550 Fax 093 491 3513 Email rplan hitachi eu com HITACHI SALES ITALIANA SPA Via Gulli n 39 20147 MILAN ITALY Tel 02 38073415 Fax 02 4878638 1 2 Email customerservice italy hitachi eu com HITACHI HOME ELECTRONICS NORDIC AB Box 77 S 164 94 KISTA SWEDEN Tel 08 562 7 11 00 Fax 08 562 7 11 11 Email csgswe hitachi eu com HITACHI FRA...

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