-19-
[Before Adjustment]
- Input a 100% of black raster signal.
[R/G/B-CONTRAST ADJUSTMENT]
1
Loosen a screw
A
(
Fig.1-1/1-2
) on the polarized glass mounting
base which you intend to adjust.
2
Turn the polarized glass mounting base as shown in
Fig.1-1
to
obtain the darkest brightness on the screen.
3
Tighten the screw
A
to fix the polarized glass mounting base.
Repeat steps 1 to 3 for remaining polarized glasses.
B-Polarized Glass
Mounting Base
R-Polarized Glass
Mounting Base
G-Polarized Glass
Mounting Base
A
A
A
Fig.1-
2
Fig.1-
1
Polarized
glass
mounting base
■
Optical Adjustments
Main Board
A
Contrast adjustment
Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the “Mechanical
Disassemblies”
Adjustments require a 2.0mm hex wrench and a slot screwdriver.
Note: Do not disconnect connectors K8L, K8X, K8D, K8G and K8E on the main board, because the projector can
not turn on due to operate the power failure protection.
Summary of Contents for PLV-70
Page 57: ... 57 CXA2150 RGB Matrix IC4501 IC Block Diagrams BH3540 Volume Control IC1652 ...
Page 58: ... 58 CXA2151 RGB Matrix IC4001 FA5332M P F Controller IC601 IC Block Diagrams ...
Page 62: ... 62 ML60851 USB I F IC9801 IC Block Diagrams LB1641 Motor Drive IC1602 IC1611 ...
Page 63: ... 63 M62399 D A IC3501 IC3551 IC Block Diagrams M62392 D A IC2381 ...
Page 64: ... 64 IC Block Diagrams SII161ACT DVI I F IC8001 PW365 System Control Scan Converter IC301 ...
Page 65: ... 65 TB1274AF Video Decoder IC3101 IC Block Diagrams STR Z2156 Power Switching IC651 ...
Page 66: ... 66 IC Block Diagrams TDA7056 Audio Output IC1631 IC1632 TC90A69F Digital Comb Filter IC2101 ...
Page 67: ... 67 uPD64083 3D Y C Separation IC1101 ...
Page 98: ...M4L 7000 Mechanical Parts List 98 51 a 51 43 43 51 b 23 a 23 b 23 ...
Page 101: ...M4L 7000 101 Optical Parts List 58 45 45 ...
Page 103: ...M4L 7000 103 ...
Page 104: ... M4LA Sep 2002 BB 400 Printed in Japan SANYO Electric Co Ltd ...