LG KB-14P2B User manual

TVCR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : MV-995B
MODEL : KB/ KE/KL/KF-14P2B/G/P/S
MODEL : KB/ KE/KL/KF-14P2BX/GX/PX/SX
MODEL : KB/KE/KL/KF-20/21P30X
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html
SERVICE MANUAL MODEL:KE/KL/KF-14P2BX/21P30X LGElectronicsinc.
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CHASSIS : MV-995B
MODEL : KB/KE/KL/KF-14P2B/G/P/S
MODEL : KB/KE/KL/KF-14P2BX/GX/PX/SX
MODEL : KB/KE/KL/KF-20/21P30X
CONTENT
SPECIFICATION ................................................1-2
SAFETY INSTRUCTIONS ............................ 1-3
SERVICING PRECAUTIONS ....................... 1-4
DESCRIPTION OF CONTROLS .................. 1-6
SECTION 1 SUMMARY
TVCR
SERVICE MANUAL
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1-2
SPECIFICATIONS
Video
Video S
/
Video Re
Head Two
Tape S
Tape Fo
Timer Progr
Tape L
Input/
Audio
Audio Re
Head No
Input/
General
Power Source A
Power Consum
2
2
Channel
Tuning Syste
Antenna UH
Sound Output
Operat
Dimens
2
ABBREVIATIONS :
ADJ
AFC
AG
AM
CPT
DEF
DET
FBT
H.V
OSC
SEP Sep
SYNC
S.I.
V.I
H Ho
V V
I
OSD
SAP S
BPF B
ST Stereo
LPF L
DP D
DG
PLL P
AP
BM
BT
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1-3
SAFETY PRECAUTIONS
Many el
the Sc
It is
prevent X-
Do not m
General Guidance
An lsola
the s
the A
as
pers
It wi
da
ina
If a
rep
When rep
Resi
Keep
Due to
extreme c
Do not
X-RAY Radiation
Warning:
To d
h
Ad
M
Th
23
29
If th
and
p
Before returning the receiver to the customer,
a
met
to be
el
Leakage Current Cold Check(Antenna Cold Check)
Wit
conne
Pl
ohm
ohm
antenn
If t
me
When
rea
An o
rece
Leakage Current Hot Check (See
Plug
Do not use a line Isolation Transformer during this check.
Conne
between
a
Me
volt
Reverse
volt
volt
c
In
pos
rep
Leakage Current Hot Check circuit
The
Hi
For
repl
th
1.5 Kohm/10W
To Instrument's
exposed
METALLIC PARTS
Good Earth Ground
such as WATER PIPE,
CONDUIT etc.
AC Volt-meter
IMPORTANT SAFETY NOTICE
0.15uF
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1-4
CAUTION: Before s
ma
SAFETY PRECAUTIONS on
NOTE: If unforeseen circumstances create conflict between the
following servicing precautions and any of the safety
precautions on page 3 of this publication, always follow the
safety precautions. Remember: Safety First.
General Servicing Precautions
1.
p
a.
mod
b.
or oth
c.
Connectin
capacitor in the receiver.
CAUTION: A
pol
i
d.
2. T
hi
FET
Do not
3.
one end
aq
pi
touch
tube
pers
4. D
a
5.Unl
elec
the c
com
Ac
s
CAUTION: Th
Unles
of c
6. D
whi
eq
7.
elec
a
8. A
recei
p
Al
9.
service manual.
CAUTION: Do not
a
Electrostatically Sensitive (ES) Devices
Some s
easi
ca
typi
trans
fol
in
el
1.
or se
ele
ground.
av
remov
a
2. A
dev
a
exp
3.
E
4.U
so
generate
5.
ele
6. D
p
(Mo
ele
foi
7.
the
m
d
CAUTION:Be
c
8. M
rep
as
of your foot
ele
General Soldering Guidelines
1.
a
tem
2. U
co
3.
4. T
wire
Do not
5.
a.
(5
b.
c.
su
CAUTION: Work
c
6.
a.
tem
b.
ag
SERVICING PRECAUTIONS
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