Hitachi C43-FD2000, C50-FD2000 Schematic
FH 0202E
DP2M CHASSIS
SERVICE MANUAL
MODEL: C43-FD2000 C50-FD2000
CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precaution”
SAFETY NOTICE···························································································· 2
SAFETY PRECAUTIONS··················································································· 3
TECHNICAL CAUTIONS···················································································· 6
SPECIFICATIONS···························································································· 7
CIRCUIT PROTECTION····················································································· 7
G EN ERAL I N FO RM AT IO N·················································································· 8
CAUTIONS WHEN CONNECTING/DISCONNECTING THE HV CONNECTOR······················· 10
S ERVIC E A DJ US TMEN TS ················································································· 11
T RO UB LE SH OO TING ······················································································ 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
and “Safety Notice” in this Service Manual.
CONTENTS
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
PROJECTION COLOR TELEVISION
C43-FD2000 SPECIFICATIONS
Sreen Size : 43 - inch Brightness : 200 cd/m
(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:
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
Program Selection : 200
Circuit Board Assemblies :
Video Input : 1V 75 ohm
Video Output : 1V 75 ohm C.P.T. (G) P.C.B.
Audio Input : 470mVrms, 47k ohm Convergence P.C.B.
Stereo Audio Output : 470mVrms, 1k ohm Power/Deflection P.C.B.
Audio Output Power : 30Watt Power Sup P.C.B.
Front : 15W x 2 Power switch P.C.B
Component x 2(Y1, CB, CR)
Headphone x 1
C.P.T. (B) P.C.B.
C.P.T. (R) P.C.B.
Signal Sub P.C.B
Signal P.C.B.
Terminal P.C.B.
Side Terminal P.C.B
Sensor P.C.B
Control P.C.B
2
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/m
(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
2
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
GENERAL INFORMATION C43-FD2000
ON
STAND
REMOTE CONTROL SENSOR
STANDBY INDICATOR
ON INDICATOR
POWER ON/OFF SWITCH
MAGIC FOCUS
AUTO DIGITAL
CONVERGENCE
HEADPHONE JACK
S-VIDEO
VIDEO
SIDE INPUT JACKS
( For INPUT 3)
BY
TV/VIDEO
– +
PROG
ME
NU
MAGIC FOCUS
S-VIDEO
VIDEO
L /(MONO)
AUDIO
R
L /(MONO)
AUDIO
R
SIDE CONTROL PANEL (INPUT 3)
INPUT SELECTION
VOLUME LEVEL BUTTON
CHANNEL SELECTOR
MENU BUTTON
ON
STANDBY
– +
TV/VIDEO
FRONT CONTROL PANEL
AUDIO/VIDEO
INPUTS 1,2
AERIAL TERMINAL
REAR PANEL CONNECTIONS
S-VIDEO
(MONO)
AUDIO
INPUT 1
PROG
VIDEO
L
R
S-VIDEO
(MONO)
AUDIO
INPUT 2
MENU
Y
PB/CB
L
PR/CR
R
COMPOSITE OR
(
Y P
(MONO)
AUDIO
INPUT 4
B
/
C
VIDEO
B
P
R
/
L
R
)
C
R
Y
PB/CB
PR/CR
INPUT 5
COMPOSITE OR
(
Y P
B
VIDEO
(MONO)
AUDIO
/
C
VIDEO
L
R
AUDIO
MONITOR
OUT
)
B
P
R
/
C
R
AUDIO/VIDEO INPUT 5 AND
COMPONENT INPUT
AUDIO/VIDEO INPUT 4 AND
COMPONENT INPUT
L
R
MONITOR OUTPUT
GENERAL INFORMATION C50-FD2000
REMOTE CONTROL SENSOR
STANDBY INDICATOR
ON INDICATOR
POWER ON/OFF SWITCH
MAGIC FOCUS
AUTO DIGITAL
CONVERGENCE
HEADPHONE JACK
S-VIDEO
VIDEO
ON
STANDBY
TV/VIDEO
– +
PROG
ME
NU
MAGIC FOCUS
S-VIDEO
VIDEO
L /(MONO)
AUDIO
R
L /(MONO)
AUDIO
R
SIDE INPUT JACKS
( For INPUT 3)
SIDE CONTROL PANEL (INPUT 3)
INPUT SELECTION
VOLUME LEVEL BUTTON
CHANNEL SELECTOR
MENU BUTTON
ON
STANDBY
– +
TV/VIDEO
FRONT CONTROL PANEL
AUDIO/VIDEO
INPUTS 1,2
AERIAL TERMINAL
REAR PANEL CONNECTIONS
PROG
S-VIDEO
(MONO)
AUDIO
INPUT 1
VIDEO
L
R
MENU
S-VIDEO
(MONO)
AUDIO
INPUT 2
PB/CB
L
PR/CR
R
COMPOSITE OR
(
Y P
Y
INPUT 4
B
/
VIDEO
(MONO)
AUDIO
C
B
P
R
/
C
R
Y
PB/CB
L
PR/CR
R
COMPOSITE OR
)
(
Y P
INPUT 5
B
VIDEO
(MONO)
AUDIO
/
C
VIDEO
L
R
AUDIO
MONITOR
OUT
)
B
P
R
/
C
R
AUDIO/VIDEO INPUT 5 AND
COMPONENT INPUT
AUDIO/VIDEO INPUT 4 AND
COMPONENT INPUT
L
R
MONITOR OUTPUT
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 on the last 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 : The main picture and the sub-pic-
ture split evenly on the screen
Mode 1 : Sub-picture will appear in one
of the three different modes,
depending on the last selection
of the P in P mode.
Mode 4 : The main and 3 sub picture
appear on the right of the
screen.
Mode 12 : In this mode all the active chan-
nels numbers (those set in
memory) will scanned and displayed as sub-picture on the
screen.
1
SPLIT mode
MODE 1
MODE 4
2 1
5
9
6
10
2
1
2
2
1
3
2
3
4
7
8
11
12
MODE 12
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.
CAUTION:
When using Picture in Picture function, the sub-picture should not be left
permanently in one corner of the screen or a “P ATTERN BURN” may develop
over a long period of time.
P IN P FUNCTIONS
NOTE: Some P in P buttons only function in a certain mode.
Please refer to the column below.
Remote Control
Buttons
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.
Details
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.
1.
Press the MENU button.
Use the button to select PICTURE, then
press the ENTER button.
ENTER
2. The PICTURE menu is shown (right).
This menu allows the user to select and set 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 will go to page 2 of the PICTURE menu
containing controls such as COLOR TEMP,
COMB, FILM THEATER, SUPER CONT.,
NR, VM, CTI and BLACK STRETCH.
the or button to adjust the controls to your desired
level.
These features enhance and improve the
visual condition of the picture.
NOTE: If you select REFERENCE and press
or button, the setting will return to factory default
setting.
Press
the
MENU
PICTURE
AUDIO
TIMER
FUNCTION
SET UP
SELECT
ENTER
SET
MENU
EXIT
PICTURE [ 1 / 2 ]
MODE: : FAVORITE
+ 63
:
:
0
:
0
:
0
:
0
REFERENCE
SELECT SET RETURN
PICTURE
COLOR TEMP . : COOL
COMB : ON
FILM THEATER : OFF
SUPER CONT. : ON
NR : OFF
VM : ON
CTI : LOW
BLACK STRETCH : ON
REFERENCE
SELECT SET RETURN
RETURN
[2 / 2]
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
Brightness Sharpness
Tint
PICTURE & AUDIO SETTINGS
NOTE :
TINT
is only selectable when
NTSC
is detected.
SUPER CONT ., NR, VM and CTI
are selectable when the Picture mode is in FAVORITE.
FILM THEA TER is selectable when the Picture mode is in THEATER or FAVORITE.
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 : Use this function when watching movies from film (cinema sources).
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
STRETCH
AUDIO SETTINGS
such as mode,treble, bass, balance and headphone volume. To adjust these various controls,
follow the guide below.
1. Press the MENU button.
Use the button to select AUDIO, then press
the ENTER button.
added realism and overall picture quality.
: The AUDIO menu allows the user to select various audio controls
MENU
PICTURE
AUDIO
ENTER
TIMER
FUNCTION
SET UP
SELECT
ENTER
SET
MENU
EXIT
2. The AUDIO menu is shown (right).
This menu allows the user to select and set various
standard audio controls such as MODE (where you
can customize this mode to FAVORITE,
THEATER, MUSIC or NARRATION),
TREBLE, BASS, BALANCE and HEADPHONE VOLUME. Press the buttons to select
and press the buttons to adjust the various
setting to your desired level.
AUDIO [ 1 / 2 ]
:
MODE
:
: +20
REFERENCE
SELECT SET RETURN
: 0
:
0
0
FAVORITE
RETURN
PICTURE & AUDIO SETTINGS
FAVORITE : Use this mode for your personal setting preference.
THEATER : Use this mode to improve audio performance when watching
MUSIC :
NARRATION : Use this mode for outstanding vocal clarity.
Speaker (Left/Right) Balance
Treble Bass Headphone Volume
movies based sources.
Use this mode for enhanced high frequency.
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,
PERFECT VOLUME and LOUDNESS. Press
the or button to adjust the controls to your
AUDIO [2 / 2]
SRS : OFF
BBE : ON
PERFECT VOL. : OFF
LOUDNESS : ON
REFERENCE
SELECT SET RETURN
RETURN
desired level.
NOTE: If you select REFERENCE and press the
or button, the setting will return to factory
default setting.
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.
PROTECTION CIRCUIT BLOCK DIAGRAM
Hot
Cold
PROTECTION CIRCUIT BLOCK DIAGRAM
AC Cord
E901
Fuse
T4AL : F908
Noise Filter
L901, L902
Fuse
T3.15AL:F902
Rectifier
D901
Noise Filter
L911
Switching
Control
I901
Protect
Q902, Q903
Switching
Transformer
T901
Feedback
I902
Protect
I903
ACK
I904
Protector
E903 : 5000
Protector
E904 : 5000
Protector
E905 : 5000
Rectifier
29V : D931
Rectifier
11V: D932
Rectifier
7V : D935
Regulator
I907
Regulator
I905
Regulator
I906
AUD+30V
SW+11V
FC 3.3V
SBY+7V
SBY+5V
FB+5V
VM
Protector
Relay
S901
Noise Filter
L905
Rectifier
DP01
Fuse
T3 15AL: FP01
Relay Drive
Q932
Switching
Transformer
TP01
Protector
EP33:5000
Protector
EP31:10K
Protector
EP32:10K
Rectifier
220V:DP32
Rectifier
+8V:DP35
Rectifier
+28V:DP33
Rectifier
-28V:DP34
Regulator
-7V:IP05
Regulator
6.3V:IP06
Regulator
12V:IP04
TV ON/OFF
SW+8V
SW-8V
Heater
+28V
SW+12V
-28V
220V
Switching
Control
IP01
Feedback
IP02
Rsctifier
120V:DP31
Error Amp
IP03
Protector
EP35 :3000
EP36 : 500
+B
RP44Protector
SW+33V
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