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

FRONT CONTROL PANEL
TV/VIDEO
– +
PROG
MENU
STANDBY
ON
INPUT SELECTION
VOLUME LEVEL BUTTON
CHANNEL SELECTOR
MENU BUTTON
REMOTE CONTROL SENSOR
STANDBY INDICATOR
ON INDICATOR
POWER ON/OFF SWITCH
L /(MONO)
R
AUDIO
MAGIC FOCUS
S-VIDEO
VIDEO
SIDE CONTROL PANEL (INPUT 3)
AUTO DIGITAL
CONVERGENCE
HEADPHONE JACK
SIDE INPUT JACKS
( For INPUT 3)
REAR PANEL CONNECTIONS
AUDIO
R
L
L
PB/CB
L
AUDIO
AUDIO AUDIO
VIDEO
R
VIDEO
Y
R
L
R
(MONO) (MONO) (MONO)
VIDEO
S-VIDEO S-VIDEO
Y
PR/CR
PB/CB
PR/CR
(MONO)
VIDEO
AUDIO
R
L
MONITOR OUTPUT
AUDIO/VIDEO INPUT 5 AND
COMPONENT INPUT
AUDIO/VIDEO INPUT 4 AND
COMPONENT INPUT
AUDIO/VIDEO
INPUTS 1,2
AERIAL TERMINAL
INPUT 1 INPUT 2 INPUT 4 INPUT 5 MONITOR
OUT
COMPOSITE OR
Y P B / C B P R / C R
Y P B / C B P R /C R
COMPOSITE OR
()()
GENERAL INFORMATION C43-FD2000
TV/VIDEO
–+
PROG
MENU
STANDBY
ON
L/(MONO)
R
AUDIO
MAGICFOCUS
S-VIDEO
VIDEO

FRONT CONTROL PANEL
TV/VIDEO
– +
PROG
MENU
STANDBY
ON
INPUT SELECTION
VOLUME LEVEL BUTTON
CHANNEL SELECTOR
MENU BUTTON
REMOTE CONTROL SENSOR
STANDBY INDICATOR
ON INDICATOR
POWER ON/OFF SWITCH
L /(MONO)
R
AUDIO
MAGIC FOCUS
S-VIDEO
VIDEO
SIDE CONTROL PANEL (INPUT 3)
AUTO DIGITAL
CONVERGENCE
HEADPHONE JACK
SIDE INPUT JACKS
( For INPUT 3)
REAR PANEL CONNECTIONS
AUDIO
R
L
L
PB/CB
L
AUDIO
AUDIO AUDIO
VIDEO
R
VIDEO
Y
R
L
R
(MONO) (MONO) (MONO)
VIDEO
S-VIDEO S-VIDEO
Y
PR/CR
PB/CB
PR/CR
(MONO)
VIDEO
AUDIO
R
L
MONITOR OUTPUT
AUDIO/VIDEO INPUT 5 AND
COMPONENT INPUT
AUDIO/VIDEO INPUT 4 AND
COMPONENT INPUT
AUDIO/VIDEO
INPUTS 1,2
AERIAL TERMINAL
INPUT 1 INPUT 2 INPUT 4 INPUT 5 MONITOR
OUT
COMPOSITE OR
Y P B / C B P R / C R
Y P B / C B P R /C R
COMPOSITE OR
()()
GENERAL INFORMATION C50-FD2000
TV/VIDEO
– +
PROG
MENU
STANDBY
ON
L/(MONO)
R
AUDIO
MAGICFOCUS
S-VIDEO
VIDEO

P IN P FUNCTIONS
The P IN P feature is convenient when you want to watch more than one program at the
same time. You can watch a TV program while viewing other programs from the antenna or
any of the video inputs.
1. Press the MULTI PIC. button and a sub-picture
will appear in one of the four different modes
(SPLIT,1, 4 or 12),depending onthelast selection
of the P in P mode.
To change the P in P mode, press the M. MODE
to cycle through the four different modes.
If you wish to change the volume or channel
between the main and sub-picture, press the A/B
button. A symbol will appear to indicate your
selection. Press the CHANNEL UP/DOWN or
VOLUME UP/DOWN button to change channel
or volume for the selected picture.
SPLIT mode :Themainpictureand thesub-pic-
ture split evenly on the screen
Mode 1 :Sub-picture will appear in one
of the three different modes,
dependingon thelastselection
of the P in P mode.
Mode 4 : The main and 3 sub picture
appear on the right of the
screen.
Mode 12 : Inthismodealltheactivechan-
nels numbers (those set in
memory)willscanned and dis-
played as sub-picture on the
screen.
SPLIT mode
MODE 1
MODE 4
MODE 12
12
1
2
2
3
2
1
21
5
9
6
10
3
7
11
4
8
12
CAUTION:
When using Picture in Picture function, the sub-picture should not be left
permanently in one corner of the screen or a “PATTERN BURN” may develop
over a long period of time.
Note: For P in P mode 1 and mode 4 , it is not possible to select the component
input as the sub-picture if the component input is progressive.

MULTI. PIC Switch ON/OFF the P in P sub-window features.
P+ / P- Increase/decrease P in P main and sub-picture channel. This
button applies only to SPLIT , mode 1 and mode 4 selection.
In mode 4, press the P+/P– button to change channel for main
picture.
If sub-picture is selected, press the P+/P– button to select between
the sub-pictures. Press the button to change the channel.
SWAP The main and sub-picture will be exchanged. This button
applies only to SPLIT and mode 1 selection.
M. MODE To change the four different P in P modes (SPLIT, 1, 4, 12).
Pressing this button will cycle through these modes.
A/B Press this button to select between main or sub-picture to
change channel or volume. A symbol will appear to indicate
your selection.This button will only operate in SPLIT , mode 1
and mode 4 selection.
FREEZE Pressing this button will split screen to main and sub-picture.
The sub-picture will be in freeze mode.
POSITION Press this button repeatedly to select position of sub-
picture. This button apply only to P in P mode 1 selection.
Remote Control
Buttons Details
NOTE: Some P in P buttons only function in a certain mode.
Please refer to the column below.
P IN P FUNCTIONS
3 ➛ 4
2 1
➛
➛
➛

PICTURE & AUDIO SETTINGS
PICTURE SETTINGS :The PICTURE menu allows the user to select various controls,
such as mode , brightness, color, contrast and tint. To adjust these various controls, follow
the guide below.
2. The PICTURE menu is shown (right).
Thismenu allowsthe usertoselectandset various
standard picture controls such as MODE ( where
you can customize this mode to DYNAMIC,
NATURAL, THEATER or FAVORITE),
CONTRAST, BRIGHTNESS, COLOR,
SHARPNESS and TINT.Press the button
to select and press the button to adjust the
various setting to your desired level.
3. In addition to these picture menu, the TV also
incorporates other controls. Press the button,
the OSD willgo to page 2of the PICTURE menu
containing controls such as COLOR TEMP,
COMB, FILM THEATER, SUPER CONT.,
NR, VM, CTI and BLACK STRETCH. Press
the or buttontoadjustthe controlstoyourdesired
level. These features enhance and improve the
visual condition of the picture.
NOTE: If you select REFERENCE and press the
or button, the setting will return to factory default
setting.
ENTER
RETURN
PICTURE [ 1 / 2 ]
MODE:: FAVORITE
: + 63
: 0
: 0
: 0
: 0
REFERENCE
SELECT SET RETURN
1. Press the MENU button.
Use the button to select PICTURE, then
press the ENTER button.
RETURN
PICTURE [2 / 2]
COLORTEMP. : COOL
COMB : ON
FILM THEATER : OFF
SUPER CONT. : ON
NR : OFF
VM : ON
CTI : LOW
BLACK STRETCH : ON
REFERENCE
SELECT SET RETURN
DYNAMIC : This ensures a sharp clear picture from corner to corner.
NATURAL : This mode is suitable for enjoying ordinary TV programs.
THEATER : This mode will add more realism experience.
FAVORITE : This is for your personal setting preference.
Contrast Color Tint
Brightness Sharpness
ENTER
MENU
MENU
PICTURE
AUDIO
TIMER
FUNCTION
SET UP
SELECT
SET
EXIT

PICTURE & AUDIO SETTINGS
AUDIO SETTINGS : The AUDIO menu allows the user to select various audio controls
such as mode,treble, bass, balance and headphone volume. To adjust these various controls,
follow the guide below.
COLOR TEMP. :Set this to WARM for hotter colors with more red or COOL for
less intense colors with more blue or NORMAL for standard color.
COMB :This function is used when using PAL system or when picture has
cross color.
FILM THEATER : Usethisfunctionwhen watchingmovies fromfilm (cinemasources).
This is to smooth jagged edges.
SUPER CONT. :Turn on SUPER CONTRAST to improve picture detail in areas
of high brightness.
NR : The NR function automatically reduces conspicuous noise in the
picture without degrading picture quality.
VM :The VM function improves the sharpness of the picture to produce
clearest resolution and superb picture quality.
CTI :The CTI function improves color resolution at the edges to produce
clear and distinct colors.
BLACK : This function is to enhance the darker portions of the picture for
added realism and overall picture quality.
STRETCH
1. Press the MENU button.
Use the button to select AUDIO, then press
the ENTER button.
ENTER
NOTE : TINT is only selectablewhen NTSC is detected. SUPER CONT.,NR,VMand CTI
are selectable when the Picture mode is in FAVORITE.
FILMTHEATER is selectable when the Picture mode is in THEATER or FAVORITE.
2. The AUDIO menu is shown (right).
This menu allows the user to select and set various
standard audiocontrols suchas MODE(whereyou
can customize this mode to FAVORITE,
THEATER, MUSIC or NARRATION),
TREBLE, BASS, BALANCE and HEAD-
PHONEVOLUME.Pressthe buttonstoselect
and press the buttons to adjust the various
setting to your desired level.
ENTER
MENU
MENU
PICTURE
AUDIO
TIMER
FUNCTION
SET UP
SELECT
SET
EXIT
RETURN
AUDIO [ 1 / 2 ]
MODE : FAVORITE
: 0
: 0
: 0
: +20
REFERENCE
SELECT SET RETURN

PICTURE & AUDIO SETTINGS
SRS
The SRS surround sound expands the audio listening field wider and deeper to create ex-
ceptional sound quality from the TV’s speakers.
BBE
The BBE system enhance the clarity of high-frequency sound.
PERFECT VOL.
When the volume is markedly different among stations, it can be automatically adjusted
by setting this function to [ON].
LOUDNESS
The function which corrects a small sound in the clear quality of sound.
is a trademarks of SRS Labs, Inc.
SRS technology is incorporated under license from SRS Labs, Inc.
Manufactured under license from BBE Sound, Inc. Licensed by BBE Sound
Inc. under USP4638258 and 4482866. BBE and BBE symbol are registered
trademarks of BBE Sound, Inc.
FAVORITE : Use this mode for your personal setting preference.
THEATER : Use this mode to improve audio performance when watching
movies based sources.
MUSIC : Use this mode for enhanced high frequency.
NARRATION : Use this mode for outstanding vocal clarity.
Speaker (Left/Right) Balance
Treble Bass Headphone Volume
3.In addition to these audio menu, the TV also
incorporates other controls. Press the button,
the OSD will go to page 2 of the AUDIO menu
containing controls such as SRS, BBE,
PERFECTVOLUME and LOUDNESS. Press
the or button to adjust the controls to your
desired level.
NOTE: If you select REFERENCE and press the
or button, the setting will return to factory
default setting.
RETURN
AUDIO [2 / 2]
SRS : OFF
BBE : ON
PERFECT VOL. : OFF
LOUDNESS : ON
REFERENCE
SELECT SET RETURN