DESCR~P‘TION
OF
SCHEMATIC
DIAGRAM
SAFETY
NOTES:
1.
DISCONNECT
THEAc
PLUG FROM THEAC OUTLET BEFORE
REPLWING PARTS.
2. SEMICOND
U
CTOR HEAT
SINKS
SHOULD
BE REGARDED AS
POTENT/AL
SHOCK HAZARDS WHEN THE CHASSIS IS OP-
ERATING.
IMPORTANT SAFETY NOTICE:
PARTS MARKED WITH
“A
”
(
) ARE IMPORTANT FOR
MAINTAINING THESAFETY
OF
THE SET
BE SURE TO REPLACE
THESE PARTS
WITH
SPECIFIED ONES FOR MAINTAINING THE
SAFETYAND PERFORMANCE OF THE SET
SERVICE PRECAUTION:
THEAREA ENCLOSED BY THIS LINE
(-
-
-
) Is DIRECTLY
CONNECTED WITH AC MAINS VOLTAGE.
WHEN
SERVlClNG
THEAREA,
CONNECTAN ISOLATING TRANS-
FORMER BETWEEN TV RECEIVER AND AC
LlNE
TO ELIMINATE
1
HAZARD
OF ELECTRIC SHOCK.
NOTES:
7.
The unit
of
resistance
‘ohm”
is
omitted.
(K
=
1000
ohms, M = Meg ohm).
2. All
resisfors
are
I/B
watt, unless otherwise noted.
3. All
capacitors
are pF; unless
therwise
noted. (P =
ppF).
VOLTAGE MEASUREMENT CONDITIONS:
1. Voltage in parenthesis measured with no Signal.
2. Voltages without parenthesis measured with
3m
V
8
&
W or
Colour-Signal.
3. All the voltages in each point are measured with
VTVM.
WAVEFORM MEASUREMENT CONDITIONS:
1.
Co/our
bar generator signal of
1.5V
peak to peak applied at
Base of Video Buffer Amp.
Q202.
2. Approximate/y 4.0 V AGC bias.
24
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