MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.
9351 Jeronimo Road, Irvine, CA 92618-1904
Copyright © 2003 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
2003
• Weight and dimensions shown are approximate.
• Design specifications are subject to change without notice.
PROJECTION TELEVISION
K20 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)
Demensions
•
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
• Digital Inputs
MonitorLink
TM
/DVI
• 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-42313
WT-42413
Summary of Contents for WT-42313
Page 2: ......
Page 11: ...MODEL WT 42313 WT 42413 Page 11 PCB Locations Major Parts Locations ...
Page 53: ...MODEL WT 42313 WT 42413 Page 53 POWER SUPPLY ...
Page 54: ...MODEL WT 42313 WT 42413 Page 54 VIDEO COLOR ...
Page 55: ...MODEL WT 42313 WT 42413 Page 55 SYNC SIGNAL PATH ...
Page 56: ...MODEL WT 42313 WT 42413 Page 56 DEFLECTION HV ...
Page 57: ...MODEL WT 42313 WT 42413 Page 57 HV REGULATION ...
Page 58: ...MODEL WT 42313 WT 42413 Page 58 X RAY PROTECT ...
Page 59: ...MODEL WT 42313 WT 42413 Page 59 SOUND SIGNAL PATH ...
Page 60: ...MODEL WT 42313 WT 42413 Page 60 CONVERGENCE ...
Page 61: ...MODEL WT 42313 WT 42413 Page 61 CONTROL CIRCUITRY ...