Hitachi C43-FD2000 User manual

CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precaution”
and “Safety Notice” in this Service Manual.
SAFETY NOTICE
USE ISOLATION TRANSFORMER WHEN SERVICING
Components having special characteristics are identified by a ! on the schematics and on the parts list in this
service data and its supplements and bulletins. Before servicing the chassis, it is important that the service
technician read and follow the “Safety Precautions” and “Safety Notice” in this Service Manual.
* For continued X-radiation protection, replace picture tube with original type or approved equivalent type.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
CONTENTS
SAFETY NOTICE···························································································· 2
SAFETY PRECAUTIONS··················································································· 3
TECHNICAL CAUTIONS···················································································· 6
SPECIFICATIONS···························································································· 7
CIRCUIT PROTECTION····················································································· 7
GENERALINFORMATION·················································································· 8
CAUTIONS WHEN CONNECTING/DISCONNECTING THE HV CONNECTOR······················· 10
SERVICE ADJUSTMENTS················································································· 11
TROUBLE SHOOTING······················································································ 51
PROTECTION CIRCUIT BLOCK DIAGRAM······························································ 55
EXPLODED VIEW··························································································· 56
REPLACEMENT PARTS LIST·············································································· 60
BLOCK DIAGRAM··························································································· 96
BASIC CIRCUIT DIAGRAM················································································· 97
PRINTED CIRCUIT BOARD················································································· 112
WIRING DIAGRAM··························································································· 120
SERVICE MANUAL
MODEL: C43-FD2000 C50-FD2000
DP2M CHASSIS
PROJECTION COLOR TELEVISION

C43-FD2000 SPECIFICATIONS
Sreen Size : 43 - inch Brightness : 200 cd/m2
(white screen)
Cathode Ray Tube : R P16LXL00
G P16LXL00 Anode Voltage : 30.9kV
B P16LXL00 Speakers :
Power Supply : 220 - 240V AC, 50/60 Hz Front L/R : 12cm x 2
Tweeter: 5cm x 2
Power Consumption : 235W (Operating) Dimension : Height (mm) 1231
Width (mm) 1098
Antenna Impedance : 75 ohm unbalanced Depth (mm) 570
Weight (kg) 66
Receiving Channel : CH (MHz)
43MHz - 863MHz Terminals (Input): Video Audio (L/R) x 5
S-Video x 3
Intermediate Frequency: Component x 2(Y1, CB, CR)
Picture I-F Carrier 38.9MHz
Sound I-F Carrier 32.4MHz Terminals (Output): Monitor
Color Sub Carrier 34.47MHz (Video,Audio [L/R]) x 1
Headphone x 1
Program Selection : 200 Circuit Board Assemblies :
Video Input : 1V 75 ohm C.P.T. (B) P.C.B.
Video Output : 1V 75 ohm C.P.T. (G) P.C.B.
C.P.T. (R) P.C.B.
Audio Input : 470mVrms, 47k ohm Convergence P.C.B.
Signal Sub P.C.B
Stereo Audio Output : 470mVrms, 1k ohm Power/Deflection P.C.B.
Signal P.C.B.
Audio Output Power : 30Watt Power Sup P.C.B.
Terminal P.C.B.
Front : 15W x 2 Power switch P.C.B
Side Terminal P.C.B
Sensor P.C.B
Control P.C.B
CIRCUIT PROTECTION
Fuse (or Device) Circuit Protected Physical Location
F908 4A/25V AC Main primary Fuse Power Sub
F902 3.5A/250V AC Primary Fuse- Signal Power Supply Power Sub
FP01 3.15A/250V AC Primary Fuse - Deflection Power Supply Power Deflection
E903 5A Fuse Protector Over Current Protector Audio +30V Power Supply Power Sub
E904 5A Fuse Protector Over Current Protector SW+11W Power Supply Power Sub
E905 5A Fuse Protector Over Current Protector StandBy Power Supply Power Sub
EP33 5A Fuse Protector Over Current Protector SW+8V Power Supply Power Deflection
EP31 10A Fuse Protector Over Current Protector SW+28V Power Supply Power Deflection
EP32 10A Fuse Protector Over Current Protector SW-28V Power Supply Power Deflection
EP36 0.5A Fuse Protector Over Current Protector (+B Error AMP) Power Deflection
EP35 3A Fuse Protector Over Current Protector (+B Power Supply) Power/Deflection

C50-FD2000 SPECIFICATIONS
Sreen Size : 50 - inch Brightness : 200 cd/m2
(white screen)
Cathode Ray Tube : R P16LXL00
G P16LXL00 Anode Voltage : 30.9kV
B P16LXL00 Speakers :
Power Supply : 220 - 240V AC, 50/60 Hz Front L/R : 12cm x 2
Tweeter: 5cm x 2
Power Consumption : 235W (Operating) Dimension : Height (mm) 1341
Width (mm) 1262
Antenna Impedance : 75 ohm unbalanced Depth (mm) 616
Weight (kg) 103
Receiving Channel : CH (MHz)
43MHz - 863MHz Terminals (Input): Video + Audio (L/R) x 5
S-Video x 3
Intermediate Frequency: Component x 2(Y1, CB, CR)
Picture I-F Carrier 38.9MHz
Sound I-F Carrier 32.4MHz Terminals (Output): Monitor
Color Sub Carrier 34.47MHz (Video,Audio [L/R]) x 1
Headphone x 1
Program Selection : 200 Circuit Board Assemblies :
Video Input : 1V 75 ohm C.P.T. (B) P.C.B.
Video Output : 1V 75 ohm C.P.T. (G) P.C.B.
C.P.T. (R) P.C.B.
Audio Input : 470mVrms, 47k ohm Convergence P.C.B.
Signal Sub P.C.B
Stereo Audio Output : 470mVrms, 1k ohm Power/Deflection P.C.B.
Signal P.C.B.
Audio Output Power : 30Watt Power Sup P.C.B.
Terminal P.C.B.
Front : 15W x 2 Power switch P.C.B
Side Terminal P.C.B
Sensor P.C.B
Control P.C.B
CIRCUIT PROTECTION
Fuse (or Device) Circuit Protected Physical Location
F908 4A/25V AC Main primary Fuse Power Sub
F902 3.5A/250V AC Primary Fuse- Signal Power Supply Power Sub
FP01 3.15A/250V AC Primary Fuse - Deflection Power Supply Power Deflection
E903 5A Fuse Protector Over Current Protector Audio +30V Power Supply Power Sub
E904 5A Fuse Protector Over Current Protector SW+11W Power Supply Power Sub
E905 5A Fuse Protector Over Current Protector StandBy Power Supply Power Sub
EP33 5A Fuse Protector Over Current Protector SW+8V Power Supply Power Deflection
EP31 10A Fuse Protector Over Current Protector SW+28V Power Supply Power Deflection
EP32 10A Fuse Protector Over Current Protector SW-28V Power Supply Power Deflection
EP36 0.5A Fuse Protector Over Current Protector (+B Error AMP) Power Deflection
EP35 3A Fuse Protector Over Current Protector (+B Power Supply) Power/Deflection