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KV-25FV10C Schematic ( PDF Datasheet ) - Sony

Teilenummer KV-25FV10C
Beschreibung COLOR TV SERVICE MANUAL
Hersteller Sony
Logo Sony Logo 




Gesamt 30 Seiten
KV-25FV10C Datasheet, Funktion
SERVICE MANUAL
BA-4C CHASSIS
MODEL
KV-24FV10
KV-24FV10
KV-25FV10
KV-25FV10C
COMMANDER
RM-Y168
RM-Y168
RM-Y168
RM-Y168
DEST
US
CND
E
E
CHASSIS NO.
SCC-S22A-A
SCC-S24A-A
SCC-S23A-A
SCC-S23C-A
MICROFILM
KV-24FV10
RM-Y168
TRINITRON® COLOR TV
Free Datasheet http://www.Datasheet4U.com






KV-25FV10C Datasheet, Funktion
KV-24FV10/25FV10/25FV10C
Handling of Self-diagnostic Screen Display
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen during
repairs. When you have completed the repairs, clear the result display to “0”.
Unless the result display is cleared to “0”, the self-diagnostic function will not be able to detect subsequent faults after completion
of the repairs.
Clearing the Result Display
To clear the result display to “0”, press buttons on the Remote Commander sequentially when the diagnostic screen is displayed,
as shown below:
Channel 8
ENTER
Quitting the Self-Diagnostic Screen
To quit the entire self-diagnostic screen, turn off the power switch on the Remote Commander or the main unit.
Self-diagnostic Circuit
FROM
CRT
FROM
IC521
PIN 7
IC301
Y/CHROMA JUNGLE
21 IK IN
18 HP/PROTECT
SDA 35
IC541
V. OUT
REF 3
IC001
SYSTEM
IO-BDAT 36
17 I-PROT
O-LED 18
37 IO-SDAT
IC003
MEMORY
5 B-DAT
DISPLAY
+B overcurrent (OCP)
Vertical deflection stopped
White balance failure
Occurs when an overcurrent on the +B (115V) line is detected by pin 18 of IC301. If the voltage
of pin 18 of IC 301 is less than 1V when V.SYNC is more than seven verticals in a period, the unit
will automatically turn off.
Occurs when an absence of the vertical deflection pulse is detected by pin 17 of IC001. Power
supply will shut down when waveform interval exceeds 2 seconds.
If the RGB levels* do not balance within 2 seconds after the power is turned on, this error will be
detected by IC301. TV will stay on, but there will be no picture.
*(Refers to the RGB levels of the AKB detection Ref pulse that detects 1K.)
—6—
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6 Page









KV-25FV10C pdf, datenblatt
Using the Remote Control and
Basic Functions
This section shows you how to use more advanced buttons on the remote
control and how to use the on-screen menus.
Button
POWER
FUNCTION
MUTING
SYSTEM OFF
TV/VIDEO
PICTURE MODE
SLEEP
MTS/SAP
DISPLAY
Description
Press when you want to turn
connected equipment on and off.
Press when you want to control
connected equipment with your
remote control.
Instantly turns off the sound.
Press again or press to restore
sound.
Powers off all Sony equipment at
once.
Cycles through available video
inputs.
Moves the cursor in the on-
screen menus. Press the arrow
buttons to move the cursor, press
the center button to select or
access an option.
Cycles through the available
VIDEO MODE settings.
Turns the TV off automatically in
approximately 30, 60 or 90
minutes. Cancel by pressing until
SLEEP OFF appears.
Cycles through the Multi-
channel TV Sound (MTS)
options: STEREO, SAP (Second
Audio Programming), MONO.
Press once to show current time,
(if set) and channel number.
Press again to activate CAPTION
VISION settings, if available. To
cancel, press again until
DISPLAY OFF appears.
11
User Guide
JUMP
GUIDE
MENU
RESET
CODE SET
Cycles through available AUTO
VOLUME settings (see page 16).
Alternates back and forth
between the last two channels
selected with the -_ buttons.
Brings up the custom guide of
your satellite receiver.
Displays the on-screen menu.
Press again to exit the menu at
any time.
Press to return to factory settings
while in the on-screen menu.
Use to program your remote
control to operate connected
video equipment, (see page 29).
12

12 Page





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