[Adjustment Condition]
●
Input signal
Video signal .......................... 1.0Vp-p/75
Ω
terminated, 16 steps gray
scale (Composite video signal)
Computer signal .................... 0.7Vp-p/75
Ω
terminated, 16 steps gray
scale pattern (XGA)
Component Video signal ...... 0.7Vp-p/75
Ω
terminated, 16 steps gray
scale (Component video signal with
480p or 1080i format)
●
Picture control mode .............. “STANDARD” mode unless otherwise
noted.
Note:
* Please refer to “Service Adjustment Menu Operation” for entering to the service mode and adjusting the service
data.
White 100%
Black 100%
-23-
After replacing the Power Board readjust the Output
voltage adjustment as follows.
1. Connect a digital voltmeter to pin 1 (+) of
K6A
and
chassis ground (-).
2. Adjust the voltage by using
VR601
on the power
board as following.
AC Input
Reading
230V 370
±2Vdc
or
120V
340 ±2Vdc
Caution:
Be sure to connect the lamp when taking this adjust-
ment.
●
Circuit Adjustments
CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow-
ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per-
formance and product safety.
Electrical Adjustments
Output Voltage adjustment
1. Receive the 16-step gray scale video signal with
Input 3 [VIDEO]
mode.
2. Connect a digital voltmeter to pin 3 (+) of
CN6A
and
chassis ground (-).
3. Adjust the voltage to be
15.8
±0.1Vdc by using
VR681
on the power board.
+16V adjustment
1. Receive the 16-step gray scale computer signal with
Input 1 [COMPUTER]
mode.
2. Enter the service mode.
3. Connect a digital voltmeter to test point “
TP531
” (+)
and chassis ground (-).
4. Select group no. “
11
”, item no. “
0
” and change data
value to adjust the voltage to be
7.50
±0.1Vdc.
5. Connect a digital voltmeter to test point “
TP501
” (+)
and chassis ground (-).
6. Select item no. “
1
” and change data value to adjust
the voltage to be
7.50
±0.1Vdc.
7. Connect a digital voltmeter to test point “
TP561
” (+)
and chassis ground (-).
8. Select item no. “
2
” and change data value to adjust
the voltage to be
7.50
±0.1Vdc.
Video Center adjustment
16 steps gray scale pattern
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 ...