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Hitachi CP-RX70(M1-20EN), Service Manual

The Hitachi CP-RX70(M1-20EN) is a powerful projector that delivers stunning image quality. To ensure optimal performance and troubleshooting assistance, we provide the Service Manual for free download on manualshive.com. This comprehensive manual offers detailed instructions and helpful tips to maximize your projector experience.

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CP-RX70 ( M1-20EN )

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6

1

2

3

4

5

D

G

F

E

C

B

A

PWB assembly MAIN 6

CONFIDENTIAL

65

64

63

62

44 43 42 41

26

25

24

23

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21

61

5

5

0

6

57

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5

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52

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51 50 49 48 47 46 45

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5

3

2

1

RD2-9

RD1-4

RD2-10

VD

I2CDATP

RD1-5

RD2-11

FRP

I2CCLKP

RD1-6

RD1-0

VDDMNT

SCAN

RD1-7

RD1-1

GCFB_R

RD1-8

RD1-2

RD1-9

RD1-3

RD1-10

RD1-4

SCAN

RD1-11

RD1-5

RD1-6

RD1-7

RESETSH

RD1-8

RD1-9

RD2-0

RD2-1

RD2-2

RD2-3

RD2-4

RD1-10

RD2-5

RD1-11

RD2-6

RD2-0

RD2-7

RD2-1

RD2-8

RD2-2

RD2-9

RD2-3

GCFB_R

RD2-10

RD2-4

RD2-11

RD2-5

RD1-0

RD2-6

VD

RD1-1

RD2-7

FRP

RD1-2

RD2-8

VDDMNT

RD1-3

RESETSH

I2CCLKP

I2CDATP

PRG_R

PRG_R

Q533

2SC5343UFG

1

2

3

RD1-8

RD2-11

RD2-2

R536

2.2

1

2

ENB

SHCLK_R

1005

R507

0

1

2

2518

L502

22

H

1

2

R535

2.2

1

2

RD1-7

RD2-10

SCAN

VST_R

GCFB_R

+15.5V

+3.3VP

RD1-6

RD2-8

I2CCLKP

DCK3_R

C553

10/16

MVK/SKV

1

2

GND1

DWN

RD1-5

RD2-9

I2CDATP

RD2-0

DCK4_R

1005

R531

10

1

2

GND1

VCK_R

C556

10/16

MVK/SKV

1

2

RD1-4

RD2-7

1005

R506

3.0K-1% 1

2

Q534

2SA1980UFG

1

2

3

DCK2_R

Q531

2SA1980UFG 1

2

3

CLR

R504

2010

10

1

2

3

4

5

6

7

8

R505

2010

10

1

2

3

4

5

6

7

8

RD2-1

RD1-3

RD2-6

VDDMNT

DCK1_R

PCG

1005

R532

10

1

2

2518

L501

22

H

1

2

Q532

2SC5343UFG

1

2

3

FRP

RD1-2

RD2-4

HCK1_R

SCAN

1005

R533

3.3K

1

2

RD1-10

1005

R537

3.3K

1

2

RD1-1

RD2-5

HCK2_R

C502

1.0/10

1

2

VD

C551

10/16

MVK/SKV

1

2

RD1-11

2518

L552

10

H

1

2

2518

L551

10

H

1

2

RD1-9

RD1-0

RD2-3

HST_R

R503

2010

10

1

2

3

4

5

6

7

8

I501

CXA7007R

DB_IN1

DB_IN0

VDD-3

DGND-4

DGND-5

RET

DIRC

SCL

SDA

XCLR

ADDR0-11

ADDR1-12

DGND-13

AGND-14

REF_IN

VCC-16

REF_OUT

AGND-18

VCOM_OUT

PGND-20

PVCC-21

SIG_OUT12

SIG_OUT11

PGND-24

SIG_OUT10

SIG_OUT9

PVCC-27

SIG_OUT8

SIG_OUT7

PGND-30

SIG_OUT6

SIG_OUT5

PVCC-33

SIG_OUT4

SIG_OUT3

PGND-36

SIG_OUT2

SIG_OUT1

PVCC-39

SID_OUT

PGND-41

CAL_OUT

PVCC-43

CAL_IN

VCC-45

AGND-46

DGND-47

GCFB_1

GCFB_O

VDDMNT

SHT_I

SHT_O

FRP

VD

PRG

CLK

VDD-57

DGND-58

DA_IN11

DA_IN10

DA_IN9
DA_IN8
DA_IN7
DA_IN6
DA_IN5
DA_IN4
DA_IN3
DA_IN2
DA_IN1
DA_IN0
DB_IN11
DB_IN10
DB_IN9
DB_IN8
DB_IN7
DB_IN6
DB_IN5
DB_IN4
DB_IN3
DB_IN2

1005

R534

0

1

2

C501

1.0/10

1

2

C510

1005

0.1/10

1

2

C554

0.1/25

1

2

C555

0.1/25

1

2

C552

0.1/25

1

2

C509

0.1/25

1

2

C508

0.1/25

1

2

C503

0.1/25

1

2

C507

0.1/25

1

2

C504

0.1/25

1

2

C506

0.1/25

1

2

C505

0.1/25

1

2

C521

10/16

MVK/SKV

1

2

C522

10/16

MVK/SKV

1

2

P501

54104-40HUp

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G1

G2

1005

R538

10

1

2

C511

0.001

1

2

RESETSH

1005

R525

1.0K

1

2

1005

R526

10

1

2

APR01

1

APR03

1

APR10

1

APR02

1

APR07

1

APR04

1

APR05

1

APR09

1

APR06

1

APR11

1

APR08

1

APR20

1

APR25

1

APR15

1

APR16

1

APR17

1

APR13

1

APR14

1

APR18

1

APR23

1

APR21

1

APR26

1

APR28

1

APR22

1

APR24

1

APR19

1

APR12

1

APR27

1

APR32

1

APR29

1

APR35

1

APR37

1

APR30

1

APR39

1

APR38

1

APR31

1

1005

R501

0

1

2

1005

R502

0

1

2

1005

R539

0

1

2

1005

R540

0

1

2

1005

R522

4.7K

1

2

1005

R521

4.7K

1

2

1005

R523

4.7K

1

2

1005

R524

4.7K

1

2

+3.3VI2C

1005

R542
1.0K

1

2

1005

R541
1.0K

1

2

1005

R545

0

1

2

1005

R544

0

1

2

C557

1005

0.1/10

1

2

1005

R543

100

1

2

PRG_R

I502

TC7SG125FU

G

IN_A

GND

OUT_Y

VCC

VID10

VID9

DIN

TEST1
TEST2

R Panel Part
for BiNA5 XGA

V.COMR

VSSG

ENB

VVSS

/DCLK1

/DCLK2

DCLK2

HVDD

DCLK1

RGT

HCK1

HVSS

HST

PSIG

HCK2

VID2

VID1

VSSG

N.C.

PCG

SOUT
VVDD
V.COML
GCFB

DWN

VST

VCK

VID6

VID5

VID4

VID3

VID8

VID7

VID12

VID11

JUMPER R

JUMPER R

[I2C slave address : 70h]

70mA

80mA

from TG part

TG

PW PORTA6

TG

PW TWOWSC0
PW TWOWSD0

PW PORTC1

from TG part

from I801

controlled by POWER7

from I802

controlled by POWER6

Summary of Contents for CP-RX70(M1-20EN)

Page 1: ... on the projector 4 Do not touch the exhaust fan during operation 5 The LCD module assembly is likely to be damaged If replacing to the LCD LENS PRISM assembly do not hold the FPC of the LCD module assembly 6 Use the cables which are included with the projector or specified Service Warning Warning The technical information and parts shown in this manual are not to be used for the development desig...

Page 2: ... 0 1Vp p 75Ω termination C signal 0 286 0 1Vp p NTSC burst signal 75Ω termination 0 3 0 1Vp p PAL SECAM burst signal 75Ω termination AUDIO signal AUDIO IN 200mVrms 47kΩ or more max 3 0Vp p AUDIO OUT 0 200mVrms output impedance 1kΩ max 5 0Vp p Speaker output 1W x 1 Power supply AC100 120V 2 8A AC220 240V 1 4A Power consumption 250W Dimensions 274 W x 59 H x 205 D mm Not including protruding parts W...

Page 3: ...ally Do not use the security slot to prevent the projector from falling down since it is not designed for it Use the shutdown switch only when the projector is not turned off by normal procedure since pushing this switch stops operation of the projector without cooling it down 1 Lamp cover The lamp unit is inside 2 Focus ring 3 Zoom ring 4 Control panel 5 Speaker 6 Elevator knobs x 2 7 Elevator fe...

Page 4: ...tton 9 MAGNIFY OFF button 10 VOLUME button 11 MUTE button 12 FREEZE button 13 MY BUTTON 1 button 14 MY BUTTON 2 button 15 KEYSTONE button 16 POSITION button 17 MENU button 18 cursor buttons 19 ENTER button 20 ESC button 21 RESET button 22 Battery cover VIDEO SEARCH FREEZE OFF ON MAGNIFY ASPECT AUTO BLANK MUTE VOLUME KEYSTONE MY BUTTON POSITION 1 2 ESC ENTER MENU RESET COMPUTER 2 1 5 8 9 12 13 16 1...

Page 5: ...u Select the RESET in the EASY menu and press the or ENTER button to open the RESET dia log Choose the EXECUTE with the button Note that the projector will not allow you to reset its adjustment values with no signal input 4 Perform all adjustments from the FACTORY MENU Operate as follows to display the FAC TORY MENU When you use the remote control a Press the MENU button of the remote con trol to ...

Page 6: ...creen is less than the flicker at the periphery When the flicker is about the same across the whole screen adjust so that the flicker at the center of the screen is somewhat less than elsewhere 2 In the same way use DAC P V COM G in the FACTORY MENU to adjust the G color flicker 3 In the same way use DAC P V COM B in the FACTORY MENU to adjust the B color flicker NOTE The test pattern shown on the...

Page 7: ...3 tone grayscale 3 Adjust GAMMA SUB CNT and G in the FAC TORY MENU so that brightness of 33 steps is best 4 Don t adjust GAMMA SUB BRT and G in the FACTORY MENU because we want to keep the best contrast ratio 5 Then adjust colors R and B 6 Select GAMMA SUB CNT and G in the FACTORY MENU If the background is white solid press the ENTER key on the remote control to change to W monochrome in the 33 to...

Page 8: ...e color uniformity of the entire screen can be adjusted by adjusting the white balance for each of the points starting in order from the low numbers 5 Adjustment point No 1 should not be adjusted because it controls the brightness of the entire screen 6 To temporarily turn correction off place the cur sor on C UNIF in the Adjust Tone menu and press the key The ON OFF menu appears Place the cursor ...

Page 9: ...pletes adjustments required for MID 1 Note Since excessive correction may lead to a correction data overview during internal calculations use the following values for reference No 2 to No 5 40 or less No 6 to No 9 50 or less No 10 to No 13 70 or less No 14 to No 17 120 or less 10 Then adjust the MIN tone G so that the ad justment values are two times as much as MID 1 tone G values This completes G...

Page 10: ...lor shading 7 Next view measurement points No 4 No 5 No 12 No 13 and make similar adjustments 8 Then adjust measurement points No 6 No 7 No 8 No 9 No 14 No 15 No 16 and No 17 This completes the MIN tone adjustments 9 Make similar adjustments for other tones ex cept the MID 4 and MID 6 tones as de scribed in steps 1 to 8 above 8 3 16 17 9 11 6 14 2 12 15 13 10 7 4 1 5 8 3 16 17 9 11 14 12 15 13 10 ...

Page 11: ...11 CP RX70 M1 20EN 5 Troubleshooting Check points E1 E2 D303 LAMP D302 TEMP D301 POWER S801 E302 E801 E800 PWB assembly REMOTE E802 E805 P701 P601 P501 EASP E806 E807 E304 E804 ...

Page 12: ...1 of E800 Disconnect TSW from power unit circuit and measure resistance of TSW Open 0Ω PWB assembly MAIN Power unit circuit Termal switch TSW Open Power unit circuit Fuse on the power unit circuit NO Mea sure resistance between pins 1 and 3 and between pins 4 and 7 of E800 0Ω PWB assembly MAIN Power unit circuit Power unit circuit Short Open Go to the next page else Measure resistance between pins...

Page 13: ...ring warming up Not light and blink PWB assembly MAIN YES L 0V Power unit ballast No PWB assembly MAIN Are the voltage supplied to the pin 2 of connectors for DC fans soon after the button is pressed Observe the voltage waveforms at pin 1 of connectors for DC fans soon after the button is pressed Blinks E1 5 to 20kΩ E2 0 5 to 2kΩ NG open short DC fan failed in above check Correct waveform is drawn...

Page 14: ...els connection to the MAIN board No CPC40 connector 54104 54132 PWB assembly MAIN LCD Lens prism assembly OK PWB assembly MAIN Yes NG PWB assembly Main Check at operating mode Make sure the state of MUTE and Volume No sound infinity about 8 Speaker Disconnect the speaker from the PWB assembly Main and measure its resistance ...

Page 15: ...s mix in the leaded solder thoroughly after the lead free solder has been completely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The melting point of lead free solder is higher than leaded solder Use a soldering iron that maintains a high stable temperature large he...

Page 16: ...urn off the projector and unplug the power cord 2 Remove the lamp cover and upper case according to the disassembling diagram of chapter 8 3 Unscrew the shield sheet and disconnect the LCD panel flexible cables 4 Unscrew PWB assembly MAIN to make it free Flexible cables of LCD panel PWB assembly MAIN Remove these screws 6 3 Cleaning up dust from panels and optical filters WARNING Wear sunglasses t...

Page 17: ...heck the dust on screen While removing the dust separated dust will be blown off by air cooling system Please pay attention not to damage panels and optical filters 5 Re assembly 1 Turn off the set and unplug the power cord 2 Remove an insulator from S801 3 Screw down the PWB assembly MAIN and connect the LCD panel flexible cables to the PWB assembly MAIN 4 Re assemble the set 5 While re assemblin...

Page 18: ...ow and snap it back into place The signal settings for the remote control transmitter and the projector s remote sensor can be changed If the remote control does not function properly try changing the signal setting Changing the signal setting for the remote control transmitter 1 Setting 1 FREQ NORMAL Simultaneously press and hold the MUTE and RESET buttons for about 3 seconds 2 Setting 2 FREQ HIG...

Page 19: ...ght CL LAMP CLAP Hook the LAMP CLAP and lift it vertically by Jig B Lift vertically BOTTOM CASE ditch Press the spring and release the lock Jig A LAMP CLAP curves when rifting it Press here to make it vertical Jig B Press Press Jig A and Jig B have to be made of the iron or the stainless The point of Jig A and Jig B have to be similar to the minus driver Remove the LAMP CLAP by this work Do the ri...

Page 20: ...ing the bottom of the LAMP CLAP Insert the under and curving part of the LAMP CLAP into the under hole of the BOTTOM CASE Press the LAMP CLAP until the positioning part of the LAMP CLAP touches to the BOTTOM CASE Then springs pass the under side of the ditches Hook the springs to the convex parts of the BOTTOM CASE Make sure that the LAMP CLAP is not removed when lifting it BOTTOM of the CLAP Hole...

Page 21: ...eplace the air filter when it is damaged or too soiled When you replace the lamp please replace the air filter An air filter of specified type will come together with a replacement lamp for this projector 1 Turn the projector off and unplug the power cord Allow the projector to sufficiently cool down 2 Use a vacuum cleaner on and around the filter cover 3 While supporting the projector with one ha...

Page 22: ...om well and make sure not to breathe the gas that comes out of the projector vents or get it in your eyes or mouth Before replacing the lamp turn the projector off and unplug the power cord then wait at least 45 minutes for the lamp to cool sufficiently Handling the lamp while hot can cause burns as well as damaging the lamp Never unscrew except the appointed marked by an arrow screws Do not open ...

Page 23: ...and slowly pick up the lamp by the handles It may make it easy to take the lamp out slightly toward the control panel of the projector 5 Insert the new lamp and retighten firmly the 2 screws of the lamp that are loosened in the previous process to lock it in place Tighten the screw first then screw 6 Slide the lamp cover back in place and firmly fasten the screw of the lamp cover 7 Turn the projec...

Page 24: ...sure that the projector is cool adequately lightly wipe with gauze or a soft cloth If soiling is severe dip soft cloth in water or a natural cleaner dilute in water and wipe lightly after wringing well Then wipe lightly with a soft dry cloth WARNING Before caring make sure the power switch is off and the power cable is not plugged in and then allow the projector to cool sufficiently The care in a ...

Page 25: ...nal processing To avoid such phenomena AUTO function should be used with the full size picture that has bright tone on its peripheral Note 1 The phenomenon at the failure of AUTO adjustment depends on resolution of input source scene of pic ture etc 2 There is no failure above in AUTO with video source through VIDEO S VIDEO or COMPONENT input The reason is why recognition of input signal s standar...

Page 26: ...Magnify off button once then press Magnify off button of remote for 3 second or more to dis play SERVICE PASSWORD box 3 Enter the Life Key MENU KEYSTONE Then all security functions will be inactivated temporarily Note The Life key can be used up to 30 times The key cannot be used thereafter If the Life key cannot be used see the paragraph of SECURITY in the User s Manual The frequency in which Lif...

Page 27: ...e KEYSTONE button 4th entry code Press the button Note The Master PIN codes can be used up to 30 times The codes cannot be used thereafter If the Master PIN codes cannot be used see the paragraph of the PIN LOCK system inactivation The PIN LOCK System inactivation 1 When the PIN BOX menu is displayed press RESET for 3 seconds or more in order to get the ID Inquir ing Code PIN BOX ID Inquiring Code...

Page 28: ...nal source specs CHECK THE AIR FLOW The internal portion temperature is rising Please turn the power OFF and allow the unit to cool down at least 20 minutes After having confirmed the following items please turn the power ON again Is there blockage of the air passage aperture Is the air filter dirty Does the peripheral temperature exceed 35 C If the same indication is displayed after the remedy pl...

Page 29: ...ng In Red Turned off Blinking In Red The cooling fan is not operating Please turn the power off and allow the unit to cool down at least 20 minutes After the projector has sufficiently cooled down please make confirmation that no foreign matter has become caught in the fan etc and then turn the power on again If the same indication is displayed after the remedy please replace a fan Blinking In Red...

Page 30: ...None STARTUP TYPE Select the startup screen type 1 shows Hitachi Logo 2 No Hitachi Logo SOFT RESET If this is executed all of the user data is initialized Never use it when not required Set operating time display method accumulated lamp time display method 1 Select OPTION from the Advanced menu then place the cursor on the LAMP TIME 2 Press the ENTER or RESET button 3 Press the Reset button once t...

Page 31: ...operations with this symbol have implications with laws standards It is possible to be in violatio n of these laws standards in the case that these o perations are not carried out according to the instr uctions Assemble according to the operation instr uctions PQV OQWPVGF 0219 Attach the CNSH to the Power unit bracket with screw Area of Importance 0 0 05 CMG UWTG VQ EQPHKTO VJG RTKPV QH VJG 659 Ar...

Page 32: ...W E E V V 㧔 㧕 VVCEJ VJG QWV UGPUQT VQ VJG RCPGN FWEV YKVJ VCRG 1WV UGPUQT 2CUU VJG UNKV QH VJG FWEV VVCEJ YKVJ VJG TKXGV Attach the cable to the upper side of Duct absorbing the excessive length with tape㧔L 20mm㧕 Make sure not to pinch the cable by fan QVVQO QH VJG FWEV 7RRGT UKFG QH VJG FWEV QWV UGPUQT 62 ...

Page 33: ...G GZJCWUV HCP URGCMGT CPF CKT UGPUQT 6WTP VJG 5QNFGTKPI RQKPV VQ VJG HTQPV QH VJG RTQLGEVQT CDQWV FGITGGU CMG UWTG PQV VQ RKPEJ VJG ECDNG VQ VJG DQVVQO ECUG TKD 2WV VJG VQR QH VJG CKT UGPUQT QP VJG DQVVQO ECUG TKD 6WTP VJG VQR QH VJG CKT UGPUQT VQ VJG HTQPV QH VJG RTQLGEVQT KZ VJG ECDNG YKVJ VCRG㧔L 20mm㧕 KT UGPUQT URGCMGT 62 FGITGGU ...

Page 34: ...F F W W E E V V C C U U U U G G O O D D N N K K P P I I 㧔 㧕 KZ VJG NCOR HCP ECDNG YKVJ VCRG VVCEJ VJG NCOR HCP ECDNG VQ VJG WRRGT UKFG QH VJG FWEV absorbing the excessive length with tape㧔L 20mm㧕 CMG UWTG PQV VQ RCUU VJG NCOR HCP ECDNG QXGT VJG DQUU QT VJG GZJCWUV 4KD 62 QUU ZJCWUV 4KD QVVGF NKPG RCTV ...

Page 35: ...YQ VCRGU VQ UGRCTCVG HTQO VJG 0 OO㧕 5V NG VJG DCNNCUV KIPKVGT ECDNG NKMG TKIJV FKCITCO CMG UWTG PQV VQ RCUU VJTQWIJ QXGT VJG DQUU 9TCR VJG GZJCWUV HCP ECDNG VQ VJG 0219 ECDNG CV VJG WPFGT QH VKOGU 2CUU VJG 659 ECDNG CPF VJG DCNNCUV KIPKVGT ECDNG KPUKFG QH VJG NCOR JQWUG DQUU CMG UWTG PQV VQ RWV VJG 659 ECDNG CPF VJG DCNNCUV KIPKVGT ECDNG WPFGT VJG NCOR JQWUG YJGP CUUGODNKPI VJG RTQLGEVQT CMG UWTG ...

Page 36: ... C C T T F F C C U U U U G G O O D D N N K K P P I I 㧔 㧕 KHV VJG OCKP DQCTF VJGP EQPPGEV VJG 0219 HKTUV QPPGEV VJG GZJCWUV HCP RCPGN HCP CKT UGPUQT DCNNCUV ECDNG CPF 04 PGZV CNNCUV ECDNG HCP ZJCWUV HCP CKT UGPUQT CMG UWTG PQV VQ RKPEJ VJG 0219 ECDNG YKVJ VJG OCKP DQCTF CPF VJG RQYGT WPKV DTCEMGV 0219 04 ...

Page 37: ...VJG 05 TQUU VJG 04 CPF 05 1VJGTYKUG VJG WRRGT ECUG YKNN DG NKHVGF CMG UWTG PQV VQ RWV VJG 05 QP VJG URGCMGT 4 HCP QWV UGPUQT NCOR HCP 05 VVCEJ VJG 05 VQ 1 OGVCN YKVJ UETGY TGC QH ORQTVCPEG CMG UWTG PQV VQ RCUU VJG DCNNCUV ECDNG QP VJKU UETGY 1VJGTYKUG VJG DCNNCUV ECDNG KU RKPEJGF D VJG WRRGT ECUG DQUU UETGY QPPGEV VJG RCPGN HNGZKDNG ECDNG UETGY QPPGEV QWV UGPUQT CPF 4 HCP DGHQTG VKIJVGP VYQ UETGYU...

Page 38: ...㧕 9KTKPI QH VJG URGCMGT NCOR HCP CPF QWV UGPUQT URGCMGT NCOR HCP 2WV VJG GZEGUUKXG NGPIVJ QH 4 HCP ECDNG NKMG VJKU FKCITCO CMG UWTG PQV VQ RWV VJG GZEGUUKXG NGPIVJ QH 4 HCP ECDNG VQ VJG JKIJGT RQUKVKQP VJCP OCKP DQCTF 2WV URGCMGT ECDNG WPFGT VJG OCKP DQCTF 2WV VJG GZEGUUKXG NGPIVJ QH QWV UGPUQT ECDNG NKMG VJKU FKCITCO 2WV NCOR HCP ECDNG WPFGT VJG OCKP DQCTF ...

Page 39: ...39 CP RX70 M1 20EN 8 Disassembly diagram See Notice 1 ...

Page 40: ...40 CP RX70 M1 20EN ...

Page 41: ... Notice 1 The step of the disassembly The step of the assembly Disassemble the projector in order of 1 2 3 4 5 6 and 7 as shown in the diagram Assemble the projector in order of 7 6 5 4 3 2 and 1 as shown in the diagram ...

Page 42: ... the upper case when disassembling the machine If the upper case is detached with the lamp door installed the MAIN board might be damaged a Remove the Lamp door b Remove 7screws on the bottom and 2 screws on the rear to detach the upper case Loosen this screw Lamp door 2 screws 7 screws b Tighten screws in order of 1 2 3 4 5 6 and 7 as shown in the diagram when assembling 1 2 3 4 5 6 7 ...

Page 43: ...rwise upper case will be damaged Make sure not to damage the upper case ribs square pointed Make sure not to touch reverse side of main board CAUTION When attaching the upper case Attach the triangle point side first Make sure not to touch any parts of main board Make sure not to damage the upper case ribs square pointed ...

Page 44: ...the arrow Be careful not to bend the outside casing Torque 0 39 0 59N m b Attach the Lamp door Lamp door CAUTION Tighten this screw using a manual screwdriver 3 Replacing the power units You have to remove the Optics unit Lamp duct and Lamp house in order of and before dettach the power unit Remove the 4 screws to take off the power units Push PCB holder Push UP UP keep NOTE Detaching power unit c...

Page 45: ...amp fan wires between the panel fan duct assembly and the bottom case in attach ing the panel fan duct assembly When assembling Remove 1 screw and unhook the panel fan duct assembly as shown in the diagram When disassembling Lamp fan Lamp fan wire Panel fan duct assembly Push each of hooks in the direction of the arrows while lifting the panel fan duct assembly when removing it remove tighten this...

Page 46: ...other parts Please install new LCD PRISM ASSY into the DICROIC OPTICS UNIT vertically to avoid the possibility that the positioning boss cracks Note that LCD PANEL don t come in contact with other parts when you install it Please tighten up a screw M2x8 in order of 1 2 3 Push the LCD PRISM ASSY to the Lens side when tighten the screws Otherwise Focus might be not suitable reference at tightening t...

Page 47: ... for each screw holes when attaching the main board White screw Meter screw Black screw Tapping screw 9 Replacing the air filter Note 1 Make sure to fit the concave part of the air filter to the convex part of the filter case 2 Hook the air filter to the 8 hooks of the filter case ...

Page 48: ...will be impossible to reuse the lamp unit Note When detaching the lamp unit detach the connector side first Next lift and detach the lamp unit inclining the lamp unit The connector side is up and the lens side is down This is easy way to detach the lamp unit Lamp unit Lens fixation springs 3 pieces connector Lens control button ...

Page 49: ...B 1pcs Fan cushion C 1pcs b Assemble the exhaust fan and fan cushions as described bellow 1 Attach the fan guard to the new exhaust fan as described bellow Lead 2 Stick two pieces of the Fan cushion A to upper corners of the fan Fan cushion A 3 Stick the Fan cushion B to the outer of the fan Make sure not to overflow from edge of the fan Fan cushion B stick to the bottom first 4 Stick the Fan cush...

Page 50: ...ontrol button assembly P PC07081 Control button 1pcs Cushion A 1pcs Cushion B 3pcs b Stick 4 pieces of the cushions to the control button Fan cushion B Fan cushion A Fan cushion B 13 Replacing the speaker Be sure to stick the speaker cushion before changing the speaker SP RING cushion P MS01582 New speaker P GK01352 Do not touch the shaded area 31 ...

Page 51: ...BOTTOM CASE a Make sure the contents of the SP cushion assembly P MU04391 Cushion A 2pcs Cushion B 2pcs circle b Stick the 4 pieces of the cushions to the BOTTOM CASE 1 Stick two pieces of cushion A to the stand for speaker cushion A 32 2 Stick two pieces of cushion B to the BOSS cushion B piled 32 ...

Page 52: ...A02317R HA01972 KQ05252 2722448 GK01352 FH00401 UX27144 DT00781 MS01582 MU04391 MU04381 MN30781 QT50931 HL02228 EV02131 EV02141 EV02151 EW06661 NX32451 NX05742 CPC40 CONNECTOR 54104 CPC40 CONNECTOR 54132 M1 20 POWER UNIT M1 2 PJ LENS SERVICE FUSE 6 3A SPEAKER 36M ZH2P 051 2 THERMAL SW ASSY M1 20ED2 LCD PRISM ASS Y SERVICE or REPAIR M1 20 LAMP UNIT ASS Y SP RING CUSHION M1 2 SP CUSHION M1 ASSY 3 P ...

Page 53: ...Ｒ A D converter Video decoder Image_PROCESSOR MAIN CPU PW190 S H CXA7007 CONTROL BUTTON FAN PROJECTION LENS 0 63 XGA PANEL BiNA 5 panel sirocco DDC Cs Video RGB in2 RGB in1 S Video ResetSW Audio in1 SP 1W Audio Out Vol Cont with SW BD3870 IR RECEIVER FAN FAN Exhaust COLOR UNIFORMITY TIMING GENERATOR GAMMA CORRECTION CXD3540 TEMP SENSOR Air Outside TEMP SENSOR Lamp SW DC POWER SUPPLY PWB IR RECEIVE...

Page 54: ... HCK1 21 2 VCC FAN 22 HCK2 22 3 GND B PANEL LAMP DOOR SW 23 HST 23 JST_SH S801 PANA_ESE11MH2T 24 HVSS 24 25 VSSG 25 26 VVSS 26 27 ENB 27 E304 E2 28 VCK 28 1 VCC TEMP SENSOR 29 VST 29 2 OUT OUTSIDE 30 DWN 30 JST_ZH 31 DIN 31 32 PCG 32 33 TEST1 33 34 TEST2 34 35 RGT 35 36 SOUT 36 37 VVDD 37 38 V COML 38 E302 E1 39 GCFB 39 1 OUT AIR SPD SENS 40 N C 40 2 GND JST_ZH E807 CNRM 1 GND 1 R RC PWB 2 REMOTE1...

Page 55: ... 2 1 C012 1005 100p C 1 2 1005 R012 100 1 2 I002 KSM 2003LM2EL 1 Vout 2 GND 3 VCC C002 1005 100p C 1 2 1005 R002 100 1 2 C003 47 6 3 MVK SKV 1 2 2125 R001 47 1 2 I001 KSM 2003LM2EL 1 Vout 2 GND 3 VCC APRC01 1 APRC02 1 APRC03 1 C011 1 0 10 1 2 APRC04 1 1005 R003 0 1 2 C001 1 0 10 1 2 E002 501568 04H 1 2 3 4 G1 G2 5V VCC REMOTE1 GND 56 9KHz UP DOWN REMOTE2 ...

Page 56: ...56 CP RX70 M1 20EN MEMO ...

Page 57: ...CP RX70 M1 20EN A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 POWER UNIT BALLAST 1 For handling of the circuit diagram refer to the warning on the cover Warning CONFIDENTIAL ...

Page 58: ...CP RX70 M1 20EN A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 POWER UNIT BALLAST 2 For handling of the circuit diagram refer to the warning on the cover Warning CONFIDENTIAL ...

Page 59: ...CP RX70 M1 20EN A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 POWER UNIT CIRCUIT For handling of the circuit diagram refer to the warning on the cover Warning CONFIDENTIAL ...

Page 60: ...PW1 1 CHPW3 1 CHPW2 1 CHPW0 1 CHUSM 1 CHUSV 1 CHUSP 1 CHUSG 1 1005 R2F5 100 1 2 KEYO11 CH2C1 1 CH2D1 1 CH2C2 1 CH2D2 1 CH1C5 1 CH1C4 1 CH1C7 1 CH1C6 1 CH1C3 1 CHDA0 1 CHDA1 1 CHDA2 1 CHDA3 1 I201 PW190 C3 IN0CLK D4 IN0PEN E6 IN0VBI C4 IN0AHS B3 IN0HS A2 IN0VS D5 IN0FLD A9 NC A9 D10 NC D10 B9 IN0R2 A8 IN0R3 E13 IN0R4 C9 IN0R5 E12 IN0R6 B8 IN0R7 D9 IN0R8 A7 IN0R9 C8 NC C8 B7 NC B7 E11 IN0G2 A6 IN0G3...

Page 61: ...D9 P21 25VDD10 R21 25VDD11 T21 25VDD12 U21 25VDD13 V21 25VDD14 W21 25VDD15 W22 25VDD16 Y21 25VDD17 Y22 25VDD18 AD26 25VDD19 AA25 25VDD20 W25 25VDD21 U26 25VDD22 P26 25VDD23 M25 25VDD24 L23 25VDD25 J23 25VDD26 R22 25VDD27 F6 18VDD1 F7 18VDD2 F8 18VDD3 F11 18VDD4 F12 18VDD5 F13 18VDD6 F17 18VDD7 F18 18VDD8 F19 18VDD9 F20 18VDD10 F21 18VDD11 G6 18VDD12 H6 18VDD13 J5 18VDD14 J6 18VDD15 K5 18VDD16 K6 1...

Page 62: ...0 1 2 3 4 S304 SKRAAAE010 1 2 3 4 S302 SKRAAAE010 1 2 3 4 S303 SKRAAAE010 1 2 3 4 S301 SKRAAAE010 1 2 3 4 1005 R358 1 0K 1 2 C374 1005 0 01 16 1 2 KEYI1 E302 ZH 02H 1 2 1608 L352 600 H 1 2 S309 SKHHLMA010 1 2 G1 G2 D302 SML 210VT 1 2 D303 SML 210VT 1 2 1005 R371 220 1 2 1608 L383 600 H 1 2 C383 1005 0 001 1 2 C384 1005 0 001 1 2 1608 L384 600 H 1 2 1005 R386 10K 1 2 1608 L385 600 H 1 2 C385 1005 0...

Page 63: ...5 R837 100 1 2 I803 MM1663DHBE Vout NC 2 GND Cn Cont NC 6 NC 7 Vin C818 1 0 10 1 2 C816 1005 470p 1 2 C817 1 0 10 1 2 I802 MM1663DHBE Vout NC 2 GND Cn Cont NC 6 NC 7 Vin C814 1005 470p 1 2 C815 1 0 10 1 2 I808 MM1661JHBE Vout NC 2 GND Cn Cont NC 6 NC 7 Vin C824 1005 470p 1 2 C825 1 0 10 1 2 C831 1 0 10 1 2 1005 R8F1 10K 1 2 C813 1 0 10 1 2 C804 1005 0 01 25 1 2 C805 1005 0 01 25 1 2 C807 1005 0 01...

Page 64: ...VSS J11 J10 VSS J10 J3 VSS J3 J2 VSS J2 J1 VSS J1 H3 VSS H3 H2 VSS H2 C8 VSS C8 C7 VSS C7 B22 VSS B22 B7 VSS B7 B1 VSS B1 A22 VSS A22 A21 VSS A21 A7 VSS A7 A2 VSS A2 A1 VSS A1 R418 2010 56 7 8 5 6 3 4 1 2 GD2 10 GCFB_R I2CCLKP DBE9 VCK_B PRG_G GD1 3 DGE6 BD1 8 CHK4T1 1 BD2 11 BD1 6 CHK412 1 DRE0 RD1 10 HCK2_G PCG R434 2010 56 1 2 3 4 5 6 7 8 1005 R448 33 1 2 GD1 7 DRE2 BD2 3 RD2 1 R442 2010 56 1 2...

Page 65: ...1 PGND 24 SIG_OUT10 SIG_OUT9 PVCC 27 SIG_OUT8 SIG_OUT7 PGND 30 SIG_OUT6 SIG_OUT5 PVCC 33 SIG_OUT4 SIG_OUT3 PGND 36 SIG_OUT2 SIG_OUT1 PVCC 39 SID_OUT PGND 41 CAL_OUT PVCC 43 CAL_IN VCC 45 AGND 46 DGND 47 GCFB_1 GCFB_O VDDMNT SHT_I SHT_O FRP VD PRG CLK VDD 57 DGND 58 DA_IN11 DA_IN10 DA_IN9 DA_IN8 DA_IN7 DA_IN6 DA_IN5 DA_IN4 DA_IN3 DA_IN2 DA_IN1 DA_IN0 DB_IN11 DB_IN10 DB_IN9 DB_IN8 DB_IN7 DB_IN6 DB_I...

Page 66: ...DB_IN6 DB_IN5 DB_IN4 DB_IN3 DB_IN2 3 3VP 1005 R633 3 3K 1 2 C604 0 1 25 1 2 GND1 R604 2010 10 1 2 3 4 5 6 7 8 GD1 10 GD1 3 GND1 GD1 6 Q634 2SA1980UFG 1 2 3 GD1 9 R635 2 2 1 2 C651 10 16 MVK SKV 1 2 C601 1 0 10 1 2 VCK_G C609 0 1 25 1 2 1005 R607 0 1 2 1005 R637 3 3K 1 2 GD2 6 GD2 8 GD1 0 C610 1005 0 1 10 1 2 GD1 5 C606 0 1 25 1 2 C656 10 16 MVK SKV 1 2 HCK1_G GD1 8 VDDMNT Q632 2SC5343UFG 1 2 3 I2C...

Page 67: ...B_IN2 3 3VP 1005 R733 3 3K 1 2 C704 0 1 25 1 2 GND1 R704 2010 10 1 2 3 4 5 6 7 8 BD1 10 BD1 3 GND1 BD1 6 Q734 2SA1980UFG 1 2 3 BD1 9 R735 2 2 1 2 C751 10 16 MVK SKV 1 2 C701 1 0 10 1 2 VCK_B C709 0 1 25 1 2 1005 R707 0 1 2 1005 R737 3 3K 1 2 BD2 6 BD2 8 BD1 0 C710 1005 0 1 10 1 2 BD1 5 C706 0 1 25 1 2 C756 10 16 MVK SKV 1 2 HCK1_B BD1 8 VDDMNT Q732 2SC5343UFG 1 2 3 I2CCLKP BD1 7 BD2 3 BD2 9 C708 0...

Page 68: ...7 22 1 1 2 RV32 18 1 1 2 RV69 22 1 1 2 RV25 18 1 1 2 1005 RV61 33 1 2 CV05 1005 0 047 10 1 2 CV04 1005 0 047 10 1 2 CV06 1005 0 047 10 1 2 CV03 1005 0 1 10 1 2 CV10 1005 0 047 10 1 2 CV09 1005 0 047 10 1 2 CV14 1005 0 047 10 1 2 CV12 1005 0 047 10 1 2 CV13 1005 0 047 10 1 2 CV40 1005 0 1 10 1 2 CV08 1005 0 047 10 1 2 CV41 1005 0 047 10 1 2 CV45 1005 0 047 10 1 2 CV46 1005 0 047 10 1 2 CV44 1005 0 ...

Page 69: ... 2 CS06 2125 10 6 3 1 2 1005 RS72 100 1 2 CS18 2125 10 6 3 1 2 1005 RS78 100 1 2 2125 HS10 SC200JT 1 2 3 1005 RS57 560 1 1 2 1005 RS45 8 2K 1 2 IS02 EL8302IUZ T7 INA CEA VS CEB INB NC 6 CEC INC INC OUTC NC 11 INB OUTB VS OUTA INA 2125 HS14 SC200JT 1 2 3 1005 RS53 10K 1 2 GND1 2125 HS01 SC200JT 1 2 3 3 3V 1005 RS36 75 1 1 2 1005 RS34 560 1 1 2 2125 HS09 SC200JT 1 2 3 1005 RS75 100 1 2 1005 RS15 33K...

Page 70: ...B 1 2 1005 RA26 5 6K 1 2 1005 RA38 5 6K 1 2 QA01 2SA1980UFG 1 2 3 DA01 SDS511 1 2 DA02 SDS511 1 2 DA03 SDS511 1 2 QA04 2SA1980UFG 1 2 3 IA02 TPA6203A1ZQV A1 VO B1 SHUTDOWN C1 BYPASS B2 GND C2 IN A3 VDD B3 VO C3 IN CA32 1005 0 01 16 1 2 CA33 1005 0 01 16 1 2 CA34 1005 0 01 16 1 2 CA35 1005 0 01 16 1 2 1005 RA43 0 1 2 1005 RA44 0 1 2 CA54 0 33 10 1 2 CA16 1005 0 1 16 1 2 CA11 1 0 16 1 2 CA12 1 0 16 ...

Page 71: ...R 1005 RE99 10K 1 1 2 5V 1005 RK32 10K 1 2 CE26 1005 0 1 10 1 2 CE25 2125 4 7 6 3 1 2 1005 RK34 220 1 2 1005 RK31 47K 1 2 1005 REA2 15K 1 1 2 GND1 1005 RK33 220 1 2 CE29 1 0 10 1 2 PWM_G CE28 2125 4 7 6 3 1 2 DK22 SDS511 1 2 RMT CE27 2125 4 7 6 3 1 2 1005 REA1 10K 1 1 2 1005 RE93 100 1 2 GND1 CE24 1005 0 1 10 1 2 RXD_CT DE08 SDS511 1 2 CE30 1 0 10 1 2 1005 RK23 220 1 2 1005 RK26 100 1 2 1005 RK29 ...

Page 72: ... 8 5 6 3 4 1 2 MD14 DGML GB2 USBP0 1 CP02 1005 15p C 1 2 CHPAN1 1 1005 RP14 0 1 2 GFIELD 1005 RP09 6 8k 1 1 2 GG3 USBAM CHPFAA 1 GND1 CP92 1005 0 1 10 1 2 MD0 CHPFC2 1 MD3 CP90 1005 0 1 10 1 2 1005 RP27 0 1 2 MA11 GB0 CHPFA2 1 USBP1 1 CHPTCK 1 CP97 1005 0 1 10 1 2 CP05 1005 0 01 16 1 2 SCK 1005 RP42 0 1 2 RP61 2010 10K 7 8 5 6 3 4 1 2 CAS MD1 CHPAP0 1 MA9 GG0 MCLK GR3 CP83 1005 0 01 16 1 2 3 3V CK...

Page 73: ...MA3 1 MA8 1 MA15 1 MA10 1 MA11 1 MA4 1 MA16 1 CPA2 1005 0 1 10 1 2 CPA3 1005 0 1 10 1 2 CPA5 1005 0 1 10 1 2 CPA6 1005 0 1 10 1 2 CPA7 1005 0 1 10 1 2 CPA8 1005 0 1 10 1 2 CPA1 1005 0 1 10 1 2 CKE NWE MA17 SDCS DGML MA15 DGMU PFCS MA18 MA16 CAS RAS SDCLK RPA1 0 1 2 1005 RPA2 4 7K 1 2 6 6V 1 GND1 2125 HPF2 SC200JT 1 2 3 2125 HPF1 SC200JT 1 2 3 USBAM 1 USBAP 1 MOE CPA4 1 0 10 1 2 1005 RPF5 1 5K 1 2 ...

Page 74: ...CP RX70 M1 20EN MEMO ...

Page 75: ...sembly MAIN 1 PWB assembly MAIN 2 PWB assembly MAIN 3 PWB assembly MAIN 4 PWB assembly MAIN 5 PWB assembly MAIN 6 PWB assembly MAIN 7 PWB assembly MAIN 8 PWB assembly MAIN 9 PWB assembly MAIN 10 PWB assembly MAIN 11 PWB assembly MAIN 12 PWB assembly MAIN 13 PWB assembly MAIN 14 Basic circuit diagram list ...

Page 76: ...QR72711 Printed in Japan JE CP RX70 YK No 0587E ...

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