Text preview for : 51_pdfsam_Sanyo PLV-Z5 servicemanual.pdf part of Sanyo PLV-Z5 Sanyo multimedia projector service manual.
Chassis no MC4-Z500 and MC4-Z5BK00.
Document is split into 15 parts
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Optical adjustment
3. Integrator lens adjustment-2
1. Adjust the 2 slots F to make color uniformity in white by using a slot screwdriver. (Top and bottom shading are erased.) Note; Slot F is moved in parallel by operating the right and left simultaneously. Otherwise, the integrator lens rotates. Refer to "1 Integrator lens adjustment-1". 2. Adjust the slots E to make color uniformity in white by using a slot screwdriver. (Right and left shading are erased.) 3. Tighten 2 screws A and screw B to fix the integrator lens unit.
Slot-F Slot-F Screws-A CYAN CYAN
White
White
MAGENTA
MAGENTA
SCREW-C Screw-B
CYAN
White
White
SLOT-D Slot-E MAGENTA
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Optical adjustment
4-1. Contrast adjustment (Polarized glass-G,B)
[ Before Adjustment ] - Input a 100% of black raster signal. 1. Loosen a screw A on the polarized glass mounting base which you intend to adjust. 2. Adjust the slot B to obtain the darkest brightness on the screen as shown in Fig. 1. 3. Tighten the screw A to fix the polarized glass mounting base. Repeat steps 1 to 3 for remaining polarized glasses.
SCREW-A SLOT-B SCREW-A
Fig. 1
SLOT-B
G
B
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Optical adjustment
4-2. Contrast adjustment (Polarized glass-R)
[ Before Adjustment ] - Input a 100% of black raster signal. 1. Loosen a screw A on the polarized glass mounting base which you intend to adjust. 2. Adjust the slot B to obtain the darkest brightness on the screen as shown in Fig. 2. 3. Tighten the screw A to fix the polarized glass mounting base. [ If the un-uniformity appears on the corner, - - - ] 4. Loosen a screw C on the polarized glass mounting base which you intend to adjust Red . 5. Adjust the slot D to obtain the uniform black on the screen as shown in Fig. 2. 6. Tighten the screw C to fix the polarized glass mounting base.
SLOT-B
SCREW-A
Fig. 2
SCREW-C
SLOT-D
R
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Optical adjustment
5. Contrast adjustment (Optical filter WV-IN)
1. Loosen a screw A on the optical filter mounting base which you intend to adjust Green. 2. Adjust the slot B to obtain the uniform black on the screen as shown in Fig. 3. 3. Tighten the screw A to fix the optical filter mounting base.
Slot-B
Screw-A
Fig. 3
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Electrical Adjustment
Service Adjustment Menu Operation
To enter service mode
To enter service mode, press and hold the "MENU" and "INPUT" buttons on the projector simultaneously for 5 seconds. (Or press and hold the "MENU" button on the remote control unit for 20 seconds.) The "S" mark appears on the screen. While the "S" mark is displayed on the screen, press and hold the " POINT UP"and "POINT DOWN" buttons on the projector or "SCREEN" button on the remote control unit for more than 3 seconds. As shown in a figure, a service mode display appears on a screen.
Top Control
To adjust service data
Adjust service data using the following control buttons. "OK" ............................A group number increases. "MENU" ......................A group number decreases. "POINT UP" ................An item number increases. "POINT DOWN" ..........An item number decreases. "POINT RIGHT" ..........An adjustment value increases. "POINT LEFT" ............An adjustment value decreases.
To exit service mode
To quit the service mode, press the "POWER ON/STANDBY" button only once on the projector or the remote control unit . Normal Mode
MENU + INPUT
Remote Control
Service mode
LIGHT
ON/STAND-BY
"S" mark display
S
UP + DOWN
Service Mode
LAMP CONTROL
LAMP MENU
NO SHOW
FREEZE RESET
POWER ON/STAND-BY
OK
Service Mode Input Image Group 102 Ver TempA 28.62 Fan1 53 Fan1 rpm 1455 VIDEO Dynamic No. 0
SANYO
SCREEN
IMAGE ADJ.
IMAGE
Data 0 TempC 37.75 Fan3 55 56 Fan3 rpm 1755 Fan4 56 Fan4 rpm 2490 Fan5 rpm 2460 1.00 MC4A
TempB 44.75 Fan2 Fan2 rpm 2460
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Electrical Adjustments
Circuit Adjustment
CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance and product safety. WARNING : USE UV RADIATION EYE AND SKIN PROTECTION DURING SERVICING
CAUTION: To prevent suffer of UV radiation, those adjustments must be completed within 25 minutes. [Adjustment Condition] Input signal Computer signal .................... 0.7Vp-p/75 terminated, 16 steps gray scale pattern, 1 line dot pattern, 100% and 50% whole white pattern (720p format) Component Video signal........ 0.7Vp-p/75 terminated, 16 steps gray scale pattern (480i, 480p, 720p and 1080i format), 100% and 50% whole white pattern (480p format) Video signal .......................... 1.0Vp-p/75 terminated, 16 steps gray scale pattern (NTSC composite video signal) Image level selection................ "Dynamic" mode unless otherwise noted. Note: * Please refer to "Service Adjustment Menu Operation" for entering to the service mode and adjusting the service data.
16 steps gray scale pattern
White 100%
Black 100%
z Fan minimum voltage adjustment
Equipment Digital voltmeter 1. Enter the service mode. 2. Change data values of each test points to adjust the fan minimum output voltage. Item no. 102 - 7 102 - 8 102 - 9 102 - 10 Fan Location FN901 FN902 FN903 FN904/5 Test Point TPFAN1 TPFAN2 TPFAN3 TPFAN4 Adjustment value 3.5 ±0.05Vdc 3.5 ±0.05Vdc 3.5 ±0.05Vdc 3.5 ±0.05Vdc
x Fan max voltage adjustment
Equipment Digital voltmeter 1. Enter the service mode. 2. Change data values of each test points to adjust the fan minimum output voltage. Item no. 102 - 11 102 - 12 102 - 13 102 - 14 Fan Location FN901 FN902 FN903 FN904/5 Test Point TPFAN1 TPFAN2 TPFAN3 TPFAN4 Adjustment value 13.8 ±0.05Vdc 13.8 ±0.05Vdc 13.8 ±0.05Vdc 13.8 ±0.05Vdc
Note: The location of each fan is refer to the parts list.
Note: The location of each fan is refer to the parts list.
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Electrical Adjustments
c Panel Type Check and Setting
*Before setting, you need to check which type of LCD Panel is placed on the projector according to the item "LCD Panel/Prism ass'y removal"in the chapter "Optical Parts Disassembly" 1. Enter the service mode. 2. Panel Type Setting Select group/item no. "290 - 1", and change data value from "10" to "0" or "20" depending on your LCD Panel type.When the data value reaches "0" or "20", it returns to "10" quickly. The gamma-characteristicschanges according to your selection. 3. Panel Type Check Select group/item no. "290 - 0". Check the data vaiue as follows; Data value:0 For L-Type of LCD Panel Data value:20 For R-Type of LCD Panel After exchanging Main unit, this readjustment is necessary.
b Sub gain adjustment
Equipment Input signal 4-a Input mode Image mode Input format 4-b Input mode Image mode Input format 4-c Input mode Image mode Input format 4-d Input mode Image mode Input format 4-e Input mode Image mode Input format 4-f Input mode Image mode Input format Oscilloscope 16-step gray scale signal Computer [RGB(Analog)] Dynamic 720p computer signal Video Dynamic NTSC composite video signal Component_1 Dynamic 480i component signal Component_1 Dynamic 480p component signal Component_1 Dynamic 720p component signal Component_1 Dynamic 1080i component signal
1. Enter the service mode. 2. Change data values for each test points to adjust the waveform "a" to be minimum amplitude in each mode.
v Iris adjustment
Equipment NIL After replacing or repairing the LAMP IRIS, this readjustment is needed. 1. Enter the service mode. 2. Select group/item no. "105 - 14", and press the "POINT RIGHT" button, then automatic iris adjustment will be done after about 30 sec. and the data value will be changed from "0" to "1" automatically. 3. After this adjustment, change this data value from "1" to "0" manually for normal operation.
Item no. 106 - 0 106 - 1 106 - 2
Test Point TP35G TP35B TP35R
White Level
(a)
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Electrical Adjustments
n Common Center adjustment
Input mode Image mode Input signal Computer [RGB(Analog)] Dynamic 50% whole-white pattern 720p computer signal
m Panel Luminance adjustment [Dynamic]
Equipment Input mode Image mode Input format luminance meter Computer [RGB(Analog)] Dynamic 720p computer signal
1. Enter the service mode. 2. Select group/item no. "4 - 114", and change data value from " 0 " to " 2 ". (Flicker adjustment mode ...See Note) 3. Project only one color component to the screen. 4. Change data value to obtain the minimum flicker for each color on the screen. 5. After this adjustment, select group/item no. "4 -114", and change data value from "2" to "0" for normal operation.(Or turn off the projector, then this data value will be reset to "0" .) Item no. 3-0 3-1 3-2 Screen Only green color picture Only blue color picture Only red color picture
1. Receive the 100% whole-white signal. 2. Enter the service mode. 3. Select group/item no. "4 - 6" and measure the luminance on the screen with the luminance meter. It is A for the reading of luminance meter. 4. Change the signal source to the 50% whole-white signal. 5. Change data value to make the reading of luminance meter to be A x 30 ± 2%.
, White Balance adjustment [Dynamic]
Input mode Image mode Input format Computer [RGB(Analog)] Dynamic 720p computer signal
Note: The FRP signal (common electrode reverse signal) works at 120Hz, so flicker is invisible for human eyes. The service mode "4 - 114" can change the FRP signal from 120Hz to 60Hz, and flicker can be seen.
1. Receive the 50% whole-white signal. 2. Enter the service mode. 3. Select group no. "4", item no. "7" (Blue) or "8" (Red), and change data values respectively to make a proper white balance.
. Panel Luminance adjustment [Natural]
Equipment Input mode Image mode Input format 1. 2. 3. 4. luminance meter Computer [RGB(Analog)] Natural 480p computer signal
Receive the 100% whole-white signal. Enter the service mode. Project only one color component to the screen. Select group/item no. "4 - 155" and measure the luminance on the screen with the luminance meter. It is B for the reading of luminance meter. 5. Change the signal source to the 50% whole-white signal. 6. Change data value to make the reading of luminance meter to be B x 22 ± 2%. Item no. 4 - 155 4 - 156 4 - 157 Screen Only green color picture Only blue color picture Only red color picture
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Electrical Adjustments
Electrical Adjustments
/0 Panel Luminance adjustment
[Pure Cinema]
Equipment Input mode Image mode Input format luminance meter Component_1 Pure Cinema 480p component signal
/2 Panel Luminance adjustment
[Creative Cinema]
Equipment Input mode Image mode Input format luminance meter Component_1 Creative Cinema 480p component signal
1. Receive the 100% whole-white signal. 2. Enter the service mode. 3. Select group/item no. "4 - 6" and measure the luminance on the screen with the luminance meter. It is B for the reading of luminance meter. 4. Change the signal source to the 50% whole-white signal. 5. Change data value to make the reading of luminance meter to be B x 22 ± 2%.
1. Receive the 100% whole-white signal. 2. Enter the service mode. 3. Select group/item no. "4 - 6" and measure the luminance on the screen with the luminance meter. It is B for the reading of luminance meter. 4. Change the signal source to the 50% whole-white signal. 5. Change data value to make the reading of luminance meter to be B x 22 ± 2%.
/1 White Balance adjustment
[Pure Cinema]
Input mode Image mode Input format Component_1 Pure Cinema 480p component signal
/3 White Balance adjustment
[Creative Cinema]
Input mode Image mode Input format Component_1 Creative Cinema 480p component signal
1. Receive the 50% whole-white signal. 2. Enter the service mode. 3. Select group no. "4", item no. "7" (Blue) or "8" (Red), and change data values respectively to make a proper white balance.
1. Receive the 50% whole-white signal. 2. Enter the service mode. 3. Select group no. "4", item no. "7" (Blue) or "8" (Red), and change data values respectively to make a proper white balance.
Note on WHITE UNIFORMITY Adjustment
If you find the color shading on the screen, please adjust the white uniformity by using the proper computer and "Color Shading Correction" software supplied separately. The software can be ordered as follows;
COLOR SHADING CORRECTION ver.. 4.00 Service Parts No. 645 075 9611
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Electrical Adjustments
Service Adjustment Data Table
These initial values are the reference data written from the CPU ROM to memory IC when replaced new memory IC. The adjustment items indicated with "" are required to readjust following to the "Electrical adjustments". Other items should be used with the initial data value.
Input source / Description
PC/480i/575i/480p/575p/720p/1080i
No.
Adjustment Item
Initial Value
11/11/11/11/11/11/11
Range
0 - 31
Group: 0 ADV7403 0 SOG_SYNC_LEV
Group: 3 L3E06150/1060P0A (Panel Driver) 0 G_LCCOM 300 1 B_LCCOM 300 2 R_LCCOM 300 3 G_LCCOM_GAIN 191 4 B_LCCOM_GAIN 191 5 R_LCCOM_GAIN 191 6 G_LCCOM_BRIGHT 0 7 B_LCCOM_BRIGHT 0 8 R_LCCOM_BRIGHT 0 9 G_VIDEO_CENTER 18 10 B_VIDEO_CENTER 18 11 R_VIDEO_CENTER 18 12 R_ENBX_PW 12 13 G_ENBX_PW 12 14 B_ENBX_PW 12 15 R_DXIN 2 16 G_DXIN 2 17 B_DXIN 2 18 R_CLXIN 2 19 G_CLXIN 2 20 B_CLXIN 2 21 R_ENBX1IN 14 22 G_ENBX1IN 14 23 B_ENBX1IN 14 Group: 4 L3E07110K0A (Digital Gamma) 0 G_Contrast 512/512/512 1 B_Contrast 512/512/512 2 R_Contrast 512/512/512 3 G_Bright 0/0/0 4 B_Bright 0/0/0 5 R_Bright 0/0/0 6 G_Gamma_Shift 0/0/0 7 B_Gamma_Shift 0/0/0 8 R_Gamma_Shift 0/0/0 9 R_REF_H 1023 10 R_REF_L 336 11 G_REF_H 1023 12 G_REF_L 336 13 B_REF_H 1023 14 B_REF_L 336 15 DXOUTR 214 16 DXOUTG 214 17 DXOUTB 214 18 ENBX_R 0 19 ENBX_G 0 20 ENBX_B 0 21 H_CHANGE_Pos 6 22 SH_BASE_Pos 0 23 R_SH_Pos 10 24 G_SH_Pos 10 25 B_SH_Pos 10 26 NRG_Pos 51 27 NRG_Width 48 28 OSD_Pos 2 29 OSD_Pat 0 30 Gamma_Ctrl 1 31 REF_GATE_Pos 1 32 REF_GATE_Width 180 33 R_BASE_Pos 6 34 G_BASE_Pos 6 35 B_BASE_Pos 6 36 RGB_ADJUST 0 37 RGB_ADJLEV 0 38 LINE_R0 8 39 LINE_R1 4 40 LINE_R2 2 41 LINE_R3 0 42 LINE_R4 0 43 LINE_G0 8 44 LINE_G1 4 45 LINE_G2 2 46 LINE_G3 0
0 - 511 0 - 511 0 - 511 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 63 0 - 63 0 - 63 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255
G Common center adjustment B Common center adjustment R Common center adjustment G Signal Gain B Signal Gain R Signal Gain G Signal Bright B Signal Bright R Signal Bright G Video Center B Video Center R Video Center R ENBX pulse width G ENBX pulse width B ENBX pulse width R DXIN Delay G DXIN Delay B DXIN Delay R CLXIN Delay G CLXIN Delay B CLXIN Delay R ENBX1IN Delay G ENBX1IN Delay B ENBX1IN Delay
360 - 535 360 - 535 360 - 535 0 - 1023 0 - 1023 0 - 1023 -512 - 511 -512 - 511 -512 - 511 0 - 1023 0 - 1023 0 - 1023 0 - 1023 0 - 1023 0 - 1023 0 - 1023 0 - 1023 0 - 1023 0 - 127 0 - 127 0 - 127 0 - 255 0-1 0 - 15 0 - 15 0 - 15 0 - 127 0 - 255 0-3 0-7 0-1 0 - 1023 0 - 1023 0 - 15 0 - 15 0 - 15 0-7 0 - 1023 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255 0 - 255
PureCinema/BrilliantCinema&CreativeCinema&Natural&Living/Dynamic&Vivid
Panel luminance adjustment White balance adjustment [B] White balance adjustment [R]
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