marik08
MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2002 Mitsubishi Digital Electronics America, Inc.
All Rights Reserved
CAUTION:
Before servicing this chassis, it is important that the service person read the "SAFETY PRECAUTIONS" and
"PRODUCT SAFETY NOTICE" contained in this manual.
MITSUBISHI ELECTRIC
Service
Manual
2002
2002
2002
2002
2002
• Weight and dimensions shown are approximate.
• Design specifications are subject to change without notice.
PROJECTION TELEVISION
VK20 CHASSIS
SPECIFICATIONS
• Power
: AC 120V, 60Hz
240W
• Frequency
: VHF 54 ~ 470MHz
Range
UHF 470 ~ 806MHz
•
Antenna Input
: VHF/UHF 75
Ω
unbalanced
•
CRT Size
: [7 inches]
•
High Voltage
: 32.0kV (at 0A)
•
Cabinet
: 39"(W)x34"(H)x25"(D)
Dimensions
•
Weight
: 105 lbs
• Speaker
: Two 5" round, full range (8
Ω
5W)
• Input Level
: VIDEO IN JACK (RCA Type)
1.0Vp-p 75
Ω
unbalanced
: AUDIO IN JACK (RCA Type)
-4.7dBm 43k
Ω
unbalanced
: S-VIDEO IN JACK (Y/C separate)
Y=1.0 Vp-p C=0.286Vp-p(BURST)
75
Ω
unbalanced
: COMP / Y, Cr, Cb (RCA Type)
Y=1.0 Vp-p. Cr, Cb=700mVp-p
: ATV / Y(G), Pr(R), Pb(B), H, V
Y 1.0Vp-p with sync 75
Ω
(RCA Type)
Pr, Pb: 700mV 75
Ω
H, V: 3.0Vp-p 75
Ω
• Output Level
: VIDEO OUT JACK (RCA Type)
1.0Vp-p 75
Ω
unbalanced
: AUDIO OUT JACK (RCA
Type)
-4.7dBm 4.7k
Ω
unbalanced
WT-42311
WT-A42
Summary of Contents for WT-42311
Page 2: ...m a r i k 0 8 ...
Page 11: ...m a r i k 0 8 MODEL WT 42311 WT A42 Page 11 PCB Locations Major Parts Locations ...
Page 52: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 52 POWER SUPPLY ...
Page 53: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 53 VIDEO COLOR ...
Page 54: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 54 SYNC SIGNAL PATH ...
Page 55: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 55 DEFLECTION HV ...
Page 56: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 56 HV REGULATION ...
Page 57: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 57 X RAY PROTECT ...
Page 58: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 58 SOUND SIGNAL PATH ...
Page 59: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 59 CONVERGENCE ...
Page 60: ...m a r i k 0 8 MODELS WT 42311 WT A42 Page 60 CONTROL CIRCUITRY ...
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Page 72: ...arik08 PWB UNI IC6K00 CXA3506R ADC IC6L00 S1L60283F30C100 ASIC IC6M00 CXD2309AQ DAC ...
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