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AV-21CN14 Datasheet

COLOR TELEVISION SCHEMATIC DIAGRAMS

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SCHEMATIC DIAGRAMS
COLOR TELEVISION
AV-21CN14Y290A01442
/P
CD-ROM No.SML200410
BASIC CHASSIS
CW
COPYRIGHT © 2004 Victor Company of Japan, Limited
No.YA142
2004/10
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JVC

AV-21CN14 Datasheet Preview

AV-21CN14 Datasheet

COLOR TELEVISION SCHEMATIC DIAGRAMS

No Preview Available !

AV-21CN14/P
STANDARD CIRCUIT DIAGRAM
NOTE ON USING CIRCUIT DIAGRAMS
1.SAFETY
The components identified by the symbol and shading are
critical for safety. For continued safety replace safety ciritical
components only with manufactures recommended parts.
2.SPECIFIED VOLTAGE AND WAVEFORM VALUES
The voltage and waveform values have been measured under the
following conditions.
(1)Input signal
: Colour bar signal
(2)Setting positions of
each knob/button and
variable resistor
: Original setting position
when shipped
(3)Internal resistance of tester
(4)Oscilloscope sweeping time
: DC 20k/V
: H 20µs / div
(5)Voltage values
: V 5ms / div
: Othters
Sweeping time is
specified
: All DC voltage values
Since the voltage values of signal circuit vary to some extent
according to adjustments, use them as reference values.
3.INDICATION OF PARTS SYMBOL [EXAMPLE]
In the PW board : R209 R209
Type
No indication
MM
PP
MPP
MF
TF
BP
TAN
(3)Coils
No unit
Others
(4)Power Supply
: Ceramic capacitor
: Metalized mylar capacitor
: Polypropylene capacitor
: Metalized polypropylene capacitor
: Metalized film capacitor
: Thin film capacitor
: Bipolar electrolytic capacitor
: Tantalum capacitor
: [µH]
: As specified
: B1 : B2 (12V)
: 9V
Respective voltage values are indicated
(5)Test point
: 5V
: Test point
: Only test point display
(6)Connecting method
: Connector
: Wrapping or soldering
: Receptacle
4.INDICATIONS ON THE CIRCUIT DIAGRAM
(1)Resistors
Resistance value
No unit
K
M
: []
: [k]
: [M]
Rated allowable power
No indication
: 1/16 [W]
Others
: As specified
Type
No indication
OMR
MFR
MPR
UNFR
FR
: Carbon resistor
: Oxide metal film resistor
: Metal film resistor
: Metal plate resistor
: Uninflammable resistor
: Fusible resistor
Composition resistor 1/2 [W] is specified as 1/2S or Comp.
(2)Capacitors
Capacitance value
1 or higher
less than 1
Withstand voltage
No indication
: [pF]
: [µF]
: DC50[V]
Others
: DC withstand voltage [V]
AC indicated
: AC withstand voltage [V]
Electrolytic Capacitors
47/50[Example]: Capacitance value [µF]/withstand voltage[V]
(7)Ground symbol
: LIVE side ground
: ISOLATED(NEUTRAL) side ground
: EARTH ground
: DIGITAL ground
5.NOTE FOR REPAIRING SERVICE
This model's power circuit is partly different in the GND. The
difference of the GND is shown by the LIVE : ( ) side GND and the
ISOLATED(NEUTRAL) : ( ) side GND. Therefore, care must be
taken for the following points.
(1)Do not touch the LIVE side GND or the LIVE side GND and the
ISOLATED(NEUTRAL) side GND simultaneously. if the above
caution is not respected, an electric shock may be caused.
Therefore, make sure that the power cord is surely removed from
the receptacle when, for example, the chassis is pulled out.
(2)Do not short between the LIVE side GND and ISOLATED(NEUTRAL)
side GND or never measure with a measuring apparatus measure
with a measuring apparatus ( oscilloscope, etc.) the LIVE side GND
and ISOLATED(NEUTRAL) side GND at the same time.
If the above precaution is not respected, a fuse or any parts will be broken.
Since the circuit diagram is a standard one, the circuit and
circuit constants may be subject to change for improvement
without any notice.
NOTE
Due improvement in performance, some part numbers show
in the circuit diagram may not agree with those indicated in
the part list.
When ordering parts, please use the numbers that appear
in the Parts List.
(No.YA142)2-1
Free Datasheet http://www.datasheet4u.com/


Part Number AV-21CN14
Description COLOR TELEVISION SCHEMATIC DIAGRAMS
Maker JVC
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