Hitachi CML152XW2 Service Manual

Hide thumbs Also See for CML152XW2:

Quick Links

CAUTION:
Before servicing this chassis, it is important that the service technician read the "Safety
Precautions" and "Product Safety Notices" in this service manual.
ATTENTION:
Avant d'effectuer l'entretien du châassis, le technicien doit lire les «Précautions de sécurité»
et les «Notices de sécurité du produit» présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die „Sicherheitshinweise" und „Hinweise
zur Produktsicherheit" in diesem Wartungshandbuch zu lesen.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
Colour Monitor
November 2002
No. 0535
CML152XW2
Data
contained
within
this
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 Spezifikationen können sich
zwecks Verbesserungen ändern.
Service
Table of Contents
loading

Summary of Contents for Hitachi CML152XW2

  • Page 1 No. 0535 CML152XW2 SERVICE MANUAL MANUEL D'ENTRETIEN WARTUNGSHANDBUCH CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precautions” and “Product Safety Notices” in this service manual. Data contained within this Service manual is subject to alteration for improvement.
  • Page 2: Table Of Contents

    Table of Contents 1. 1. ELECTRICAL REQUIREMENTS.................2 A. LCD Panel Specification ........................... 2 B. CONTROLS .............................. 3 C. Power Management..........................3 D. Display Modes FOR Inspections ......................5 2. ADJUSTMENT CONDITIONS ..................6 A. Measuring Apparatuses Used ........................6 B. Input Signal ............................... 6 C.
  • Page 3: Electrical Requirements

    1. 1. ELECTRICAL REQUIREMENTS A. LCD Panel Specification Display: 15 inch (15” viewable image size): active matrix: thin film transistor (TFT): liquid crystal display (LCD): 0.297 mm dot pitch: R.G.B. Vertical stripe 200 cd//m white luminance, typical: 300:1 contrast ratio, typical Compatibility: 640 x 350: VGA-350 720 x 400: VGA text...
  • Page 4: Controls

    B. CONTROLS B-1 Control panel (monitor front panel) 1. Power LED, ( Please refer to C-2 LED definition table) 2. Adjust decrease. 3. Adjust increase 4. Function select counter-clockwise. 5. Function select clockwise. 6. Power ON/OFF switch, push to ON and push to OFF. (toggle switch) C.
  • Page 5 C-2 LED definition Table State On mode Green Stand-by Yellow Suspend Yellow Off mode Yellow power off Dark 1. Yellow(stand-by; suspend; off mode) disconnection 2. LED Dark (power off) C-3 Power Consumption Meet VESA DPMS Proposal On mode 25 Wmax Stand-by 5 Wmax Suspend...
  • Page 6: Display Modes For Inspections

    D. Display Modes FOR Inspections D-1 Supported Timing(for Not supported timing will go to power saving mode)T FH(KHZ) SYNC TOTAL ACTIVE SYNC FRONT BACK PIXEL TIMING FV(HZ) POLARITY (DOT/LINE) (DOT/LINE) WIDTH PORCH PORCH FOREQ. (DOT/LINE) (DOT/LINE) (DOT/LINE) (MHZ) 31.469 25.175 640x350 VGA-350 −...
  • Page 7: Adjustment Conditions

    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 B. Input Signal Input signal by using video signal generator with VGA Card port for this adjustment. C.
  • Page 8: Adjustment Of Boards

    4. ADJUSTMENT OF BOARDS Equipment is connected with boards to be inspected before adjustments. Refer to diagram below. A. Connection Method A-1 VL547 For AU Panel and W/O Audio. 1. R.G.B Signal Cable 2. DC Power Cable 3. LCD Lamp Cables 4.
  • Page 9 VL542 For Hannstar Panel W/I Audio 1. R.G.B Signal Cable 2. DC Power Cable 3. LCD Lamp Cables 4. Control Cable 5. Audio Cable 6. Speaker and Wire / Connector...
  • Page 10: Display Control Board

    5. DISPLAY CONTROL BOARD A. Description The VL-547 and VL-542 display control board is design to directly convert the R.G.B signals from VGA Card D-sub port to optimum LCD timing signals so as to construct a high display quality LCD monitor. B.
  • Page 11: Block Diagram (Control Ckt)

    C. Block Diagram (Control CKT) System Level Interface with Integrated Timing Controller ( VL-547 Diagram Hannstar Panel solution ) ( VL-542 Diagram – AU Panel solution)
  • Page 12: Connector Locations

    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 brand new high-end scaler, Active Color Management, a flexible OSD, Autoadjust, SureSync and independent monitoring of the analog interface.
  • Page 13: Connector Type

    E. Connector Type Location Type Maker Number of pins DZ11A91-L8 P1.524 FEMALE 96113-1003 E&T 96113-0703 E&T 98210-4011 E&T 98210-4011 E&T F. Connector pin assignment F-1 CN1 Pin No. Signal Vertical Sync Horizontal Sync Blue Video Ground Blue Video Green Video Ground Green Video Red Video Ground Red Video...
  • Page 14 ( VL-547 Control Board for AU Panel )
  • Page 15 ( VL-542 Control Board for Hannstar Panel )
  • Page 16 F-3 J2 Pin No. Signal Comment NONE LED-Y Power saving mode LED-G Monitor is ON KEY-UP Function select counter-clockwise key KEY-Down Function select counter-clockwise key KEY-R Adjust up key KEY-L Adjust down key KEY-POWER Power ON/OFF key F-4 J3 Pin No. Signal Comment VL547 / VL-542 power input...
  • Page 17: Vk-546 Control Panel Board

    6. VK-546 Control Panel Board A. Description The VK-546 is designed to offer an user interfaced control panel which passes and receives signals to and from power board . B. Connector and Switch Locations C. Connector type Location Type Maker Number of pins 96113-1113 E&T...
  • Page 18: Connector Pin Assignment

    D. Connector pin Assignment D-1 J1 (Audio Function Only) Pin No. Signal Comment MUTE1 Audio Mute RIN1 Audio volume adjust line IN R LIN1 Audio volume adjust line IN L RIN2 Audio volume adjust line OUT R LIN2 Audio volume adjust line OUT L R-EAR EAR Phone out R L-EAR...
  • Page 19 KEY-UP Function select up KEY-DOWN Function select down KEY-R Function select right KEY-L Function select left KEY-PWR Power ON/OFF signal D-5 VR1 (Audio Function Only) Volume control , clockwise for increasing ; counter-clockwise for decreasing D-6 Switch definition Location Definition Function select by clockwise direction Adjust down Adjust up...
  • Page 20: Power Board

    7. POWER BOARD A. Description There are three kind of circuits in this power board-AC/AC, inverter and audio B. Electrical characteristics B-1 FOR HANNSTAR PANEL MIN. TYP. MAX. COMMENT INPUT VOLTAGE 11.4V 13.8V Vin=12V MAX. INPUT CURRENT -------- 1.2A BRIGHTNESS BACKLIGHT VOLTAGE 684Vrms 760V rms.
  • Page 21: Connector Locations

    C. Connector locations PK100007500 PK100007510 CON1 CON2 CON3 J802 INLET C-1 Connector type Location Type Maker Number of pins CON1 SM02(8.0)B-BHS-1 CON2 SM02(8.0)B-BHS-1 J802 CON3 96113-00703 E&T C-2 Connector pin assisnment C.2.1 CON1 & CON2 Pin No. Signal Comment Hish Voltape Common C.2.2 CON3 Pin No.
  • Page 22: Circuit Description

    8. CIRCUIT DESCRPTION A. Micro-Controller Circuit The U5 (for VL-547 ) or U3 ( for VL-542 ) (s9050-100) is a system controller. The Y1 is 14.318MHz XTAL. B. Circuit of Plug and Play Plug and play allows the serial communication of host PC and peripherals offering minimal configurations to end users.
  • Page 23: Introduction

    9. INTRODUCTION A. Front Panel Control and Led JS558 (Without Audio) Front Panel Controls Item Control Function Press the power switch to switch the monitor DC Power Switch ON/OFF. LED lights Green color --- Power is ON. LED lights Yellow --- Monitor is in "Power DC Power-On Indicator Saving Mode".
  • Page 24 JS555 (With Audio) Front Panel Controls Item Control Function PC Audio Stereo output. Stereo Speakers Increase Volume - Turn knob clockwise. Speaker Volume Control Decrease Volume - Turn knob counter clockwise Press the power switch to switch the monitor DC Power Switch ON/OFF.
  • Page 25: Rear Panel Connector Input Signals

    B. Rear Panel connector Input Signals Rear Panel Cable and Connector Item Cable / Connector Function Signal Cable Connect the video port 2 AC IN Power Connect Connect the AC power cord Audio connector Connect the audio port (JS555 Only)
  • Page 26: Troubleshooting

    10. TROUBLESHOOTING A. Main Procedure...
  • Page 27 A-1 Power Circuit Troubleshooting...
  • Page 28 A-2 Backlights Troubleshooting...
  • Page 29 A-3 Performance Troubleshooting...
  • Page 30 A-4 Function Troubleshooting...
  • Page 31: Mechanical Parts And Drawings

    11. MECHANICAL PARTS AND DRAWINGS...
  • Page 32 THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
  • Page 40: Pcb Parts And Drawings

    12. PCB PARTS AND DRAWINGS...
  • Page 41 THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
  • Page 42 1N4007 102p/1KV CER 100 1206 C13 470p/50V NPO 100uF/400V PD T2A/250V 2200p CD 1.5M 1206 47K 1206 330p 470K 1206 1N4007 100 1206 1N4007 0.33u/250V 47K 1206 470K 1206 1.5M 1206 330p EFD25 470u/10V LZG 680u/10V LZG DR4*15 UU10.5 UU10.5 UU1070-C 1N4007 THR1...
  • Page 43 C915 T911 L911 27P/3KV Q916 S13457 245uH/A99-1570 +12V C903 R916 J911 C901 D911 105Z C914 WH2-08521-0218B 220uF/25V SS14 154K/100V R962 R964 D912 BAV99 Q902 +12V DTA124E Q911 2SC2411K D910 Q912 R919 1N4148 DTA124E EPC-19 R901 243K R917 R963 2SC4672Q Q914 Q901 2SC2411K C916...
  • Page 44 K5BRH3.5*6*0.8-D BEAD C135 C134 104Z 5.1K 5.1K 1000u/16V FBM-11-160808-121T R91 22K RIN-1 R92 22K 3.3K LIN-1 FBM-11-160808-121T SCJ-0345-1-X-S C131 C132 470P 470P C143 FBM-11-160808-121T R90 22K 2SC2411K C133 470u/16V MUTE1 2SC2411K 103P/50V C136 680u/16V C138 4.7u/35V R93 100 MUTE OUT1 C137 10u/50V R94 100...
  • Page 45 (*+ *+ AudioBoard (%# connector %# (,% ,% (,% ,% +# #8%24% ." 3' 2' 2 MainBoard (#%$ connector (#%) "#$%+& "#$%*' "#$% "#$%( "#$%&' #8%24% ($)2$#(3) ...
  • Page 46 MainBoard (#%$ connector (#%) "#$%+& "#$%*' "#$% "#$%( "#$%&' #8%24% ($)2$#(3) ...
  • Page 47 L701 Q702 C704 D703 AO3401 +3.3V U701 0.47U BAT54S X6367B Vout C706 R702 0805 +3.3V C701 Q701 0.1U 50V 22U 10V AO3400 D702 R701 0805 C703 BAT54S 1206 0.47U C707 ON/OFF 200K -16V C705 D705 0.47U C714 BAT54S 0.47U D708 R714 200K C715...
  • Page 48 0!:::! /. 2(./ 2(./ @ 3> @ 6?8 -(.2( -(.2( 1($ 2(.( 2(.( 01($ /.0 11($ 0!:::! /.1 /.1 12(./ 12(./ 1($ /. @ 1($./453 < .,%.$$ 0!/1 $.,%.$$ @ 6 6 6?8 03.$ .$$ 11($ 12(.( 12(.( 0!:::! /.0 02(./ 02(./ @...
  • Page 49 8 8 93- 93- 93-$45( 93-$45( 93-;/ 93-;/ 93- 93- $$. $$. $$.$ $$.$ -( -( -( -( 6 0!/1 ? $$.$.43 .$.43 6 < 6& $$.$.43 .$.43 6& $$.$.43 .$.43 < 6& $$.$.43 .$.43 6& !4/ /$ $$.$.43 .$.43 !4/ /$ 6&...
  • Page 50 DEBUG PORT 6& !$B66C !$B66C < 98 98 !$ ! !$ ! 6&8 < 3$38 < 3$- !3 3$1 !3 93-;/ 93-;/ 93-$45( 93-$45( 93-$45( 93- 93- 93- 93- 6& 93-/453 93-/453 < !B66C 3>.< <...
  • Page 51 2 Vout APL1117-3.3 / SOT-223 Vout 6& & 6& 6& & 2 Vout AIC1084CE-3.3 TO-252 2:36 Vout < 6& 6& 6& & & 2 Vout APL1117-2.5 SOT-223 Vout / 6 6& & 6& & / 6 < :<...
  • Page 52 $$E< $$E< / ? /$ /$ /$ < /$ / ? /$ 2/ / 2/ /$ /$< /$: < / ? ? /$ < /$ /$ /$ / ? /$ /$ / / / / /$ /$ < <...
  • Page 53 DDC_VCCA 0.1u DALC208SC6 GREEN BLUE PC-DETECT CHECK 1117 3904 & RESET IC 15 MILS 0.1u PA-RED 0.1u VSYNC PA-GREEN 2 HSYNC BLU- 0.1u BLUE PA-BLUE GRN- GREEN RED- 0.01u Optional SHD-GND SOGI DDC-SCL DDC-SDA PC-DETECT PC-DETECT 3 PC-5V VGA-GND 75 1% 75 1% 75 1% E&T-4500-13...
  • Page 54 +3.3V R30 22 +3.3V YDIO22 R31 22 YDIO11 R32 22 0.1u YCLKK 0.1u 0.1u YOEE CPH2 0.1u PWM0 0.1u TOPOL2 0.1u VDDCTRL 5,6 X(150) BLT_ON 0.1u RESET_MASCOT TOR[0..5] 4 0.1u NC(150) RESET TOG[0..5] 4 0.1u +3.3V 0.1u IRQ- PB-CLK OUTPUT BIT SWAP, ODD EVEN SWAP AND DITHER ON Y UV SWAP...
  • Page 55 0.1u x(DTC124EK) 4.7K 0/NC 4.7K LED_GREEN EA/VP AD0 / P0.0 AMBER AD1 / P0.1 AD2 / P0.2 MUTE AD3 / P0.3 AD4 / P0.4 12MHZ PC-DETECT 1 AD5 / P0.5 AD6 / P0.6 AD7 / P0.7 RESET RESET A8 / P2.0 RESET_MASCOT 2 A9 / P2.1 RESET_PANEL 5...
  • Page 56 BEAD NF15 TOR0 TOR0 XOR0 TOR1 XOR1 TOR1 NF14 22 BEAD TER0 XER0 TER0 XER0 TER1 XER1 XER1 TER1 TER2 XER2 TER2 XER2 TER3 XER3 XER3 TER3 BEAD TOR2 XOR2 TOR2 TOR3 TOR3 XOR3 TOR4 XOR4 TOR4 TOR5 XOR5 TOR5 BEAD TER4 XER4...
  • Page 57 +8.8V XOB0 XOB1 XOB2 P+3.3V XOB3 1000P XOB4 LCDVDD XOB5 XDIO 1000P XEPOL2 XOPOL2 XPOL XSTB YCLK YXAO YCLK XCLK YXAO RESET_PANEL XER0 YDIO2 YDIO2 XER1 YDIO1 YDIO1 XER2 +26V -4.5V XER3 -16V XER4 XER5 XOR0 XOR1 XEG0 1000P 1000P 1000P XOR2 XEG1...
  • Page 58 STC B222 L106 STC B222 PANAL3.3V C148 Si9434/35DY 500mA LCDVDD 0.1u BLKON BLT_ON BLT_ON MUTE BRIGHTNESS MUTE 4.7K 0.1u PWM0 22u / 16V E&T-4500-7 22u / 16V Power VDDCTRL2 connector 0.1u 1000u / 16V DTC124EK PLL-VDD PANAL3.3V BLM21P221SG +3.3V 10u / 16V AIC1084-3.3 300mA 3.3-ANA...
  • Page 59 VDD-ANA-TV +3.3V R101 NC(24.576MHZ-49US) C101 C102 C103 C104 C105 NC(22p) NC(22p) NC(0.1u) NC(0.1u) NC(0.1u) Y UV SWAP UV-IN[0..7] 2 RP10 VDDD(EP1) VDDD(EP4) TEST2 RP11 TEST1 UV-IN0 XTOUT HPD0 UV-IN1 VSS (XTAL) HPD1 UV-IN2 XTALO HPD2 UV-IN3 XTALI HPD3 AI21-CHROMA VDD (XTAL) VDDD(ICO4) UV-IN4 VSSA2...
  • Page 60 !! -. 2(.- PC_R and PC_B swap. 2(.- > 3? > 6=8 0(.2( 10(.2( 2(.( !-/ 2(.( /($ 6 6 -. //($ !! PITCH -./ -./ /2(.- 2.00mm /2(.- /($ -. > Vedio /($.-453 connector .,%.$$ $.,%.$$ > 6=8 3.$ .$$ /2(.( /2(.(...
  • Page 61 8 8 :30 :30 :30$45( :30$45( /-24 :309- :30 :30 $$. $$. $$.$ $$.$ 10( 10( 0( 0( 6 !-/ = $$.$.43 .$.43 6& $$.$.43 .$.43 6& $$.$.43 .$.43 6& $$.$.43 .$.43 6& !4- -$ $$.$.43 .$.43 !4- -$ 6& = @2( -$...
  • Page 62 DEBUG PORT ; 6& !$A66B !$A66B :8 :8 !$ ! < !$ ! < 6&8 < < < < < 13$38 < 3$0 !3 3$/ !3 1 :309- :309- :30$45( :30$45( U18 & C184 & R78 :30$45( :30 prepare for other :30...
  • Page 63 2 Vout APL1117-3.3 - SOT-223 Vout 6& & 6& 6& & 2 Vout AIC1084CE-3.3 TO-252 236 Vout 6& 6& 6& & & 2 Vout APL1117-2.5 SOT-223 Vout - 6 6& & 6& & - 6 6& &...
  • Page 64 2-1 -1 2-1 ;= '" = ;= '" -$ =8 ;= '" -$ -$ -$ = -$ !- -$ ;6 ;= '" -$; -$ 0:2( = -$ 6& -$ 0@4 -$ 0$24 -$ 0$24 %'.6 = /.6 -$ 0*. 033 -$ -$ @4...
  • Page 65 $2$.3 8# <#2# 2. /# 0805 <#2# 2. $$. 8# 0805 1206 2. 8)8 $5 2. 2. $5 0805 2. 0805 4) 2. <2 2 0 : 2. 09 25 $$ . ";62 . "...
  • Page 66 DDC_VCCA 0.1u DALC208SC6 GREEN BLUE PC-DETECT 15 MILS NF15 0.1u PA-RED NF16 0.1u VSYNC PA-GREEN 2 HSYNC BLU- NF17 0.1u BLUE PA-BLUE GRN- GREEN RED- Optional SHD-GND SOGI DDC-SCL DDC-SDA PC-DETECT PC-DETECT 3 PC-5V VGA-GND 75 1% 75 1% 75 1% NF19 R69 0 HSYNC...
  • Page 67 +3.3V R37 22 +3.3V STV22 R38 22 STV11 R40 22 0.1u CPVV 0.1u 0.1u CPH22 4 0.1u PWM0 0.1u 0.1u VDDCTRL 6 VBLCRL 0.1u RESET_MASCOT TEB[0..5] 0.1u RESET TEG[0..5] 4 0.1u +3.3V 0.1u IRQ- 0.1u OUTPUT BIT SWAP, ODD EVEN SWAP AND 0.1u DITHER ON Y UV SWAP...
  • Page 68 0.1u 4.7K LED_GREEN EA/VP AD0 / P0.0 AMBER AD1 / P0.1 AD2 / P0.2 MUTE AD3 / P0.3 AD4 / P0.4 12MHZ PC-DETECT 1 AD5 / P0.5 AD6 / P0.6 AD7 / P0.7 RESET RESET A8 / P2.0 RESET_MASCOT 2 A9 / P2.1 IRQ- INT0 / P3.2...
  • Page 69 TOB[0..5] TOB5 XOB5 XOB5 TOB4 XOB4 XOB4 TEB[0..5] TEB5 XEB5 XEB5 TEB4 XEB4 XEB4 TEB3 XEB3 XEB3 TEB2 XEB2 XEB2 TOB3 XOB3 XOB3 TOB2 XOB2 XOB2 TOB1 XOB1 XOB1 TOB0 XOB0 XOB0 TEB1 XEB1 XEB1 TEB0 XEB0 XEB0 TEG5 XEG5 XEG5 TEG4 XEG4...
  • Page 70 STV2 STV2 STV1 STV1 LOAD LOAD CPH1 CPH1 XER0 CPH2 XER0 XER1 XOR0 XER1 XER2 XOR0 XOR1 XER2 XOR1 XER3 XOR2 XER3 XOR2 XER4 XOR3 XER4 XOR3 XER5 XOR4 XER5 XOR4 XOR5 XEG0 XOR5 XEG0 XEG1 XOG0 XEG1 XOG0 XEG2 XOG1 XEG2 XOG1...
  • Page 71 FILTER FILTER PANAL3.3V Si9434/35DY 500mA LCDVDD 0.1u C100 BLKON BLT_ON BLT_ON MUTE 220u / 16V MUTE 3 BRIGHTNESS 4.7K 0.1u 100U/16V 0.1u 0.01u E&T-4500-7 22u / 16V Power connector 0.1u 1000u / 16V DTC124EK VDDCTRL PWM0 PANAL3.3V +3.3V 300mA AIC1084-3.3 3.3-ANA 3.3-PLL LT1117CST-3.3...
  • Page 72 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: [email protected] Fax: +39 02 48786381/2 Email: [email protected] HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

Table of Contents