Sony Trinitron KV-27TS35, Service Manual

Page: 35 / 58

6-2. CIRCUIT BOARDS LOCATION
V B
6-3. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
Note:
l
All capacitors are in unless otherwise noted.
50WV or less are not indicated except for
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Indication of resistance, which does not have one for
rating electrical power, is as follows.
l
All resistors are in ohms.
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nonflammable resistor.
l
: fusible resistor.
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internal component.
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panel designation, and adjustment for repair.
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All variable and adjustable resistors havecharacteristic
curve B, unless otherwise noted.
. The components identified by
q
in this basic
schematic diagram have been carefully
selected for each set in order to satisfy regulations
regarding X-ray radiation.
Should replacement be required, replace only with the
value originally used.
.
When replacing components identified by make
the necessary adjustments indicated. If results do not
meet the specified value, change the component
identified by and repeat the adjustment until the
specified value is achieved.
R542 and R543 on in the Service
Manual.)
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When replacing the part in below table be sure to
par-form the related adjustment.
Part replaced (
q
)
Adjustment (8)
PM501 Q606,
C536, R639, R630, R629,
R542
R621, R620, R546, R542,
(HOLD-DOWN)
Q606, Q605,
D507, T503, C639, C536, R543
C535, R630, R629, (HOLD-DOWN)
R620, R543, R546, R520
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All voltages are in V.
Voltagearedcwith respecttoground unlessotherwise
noted.
Readings are taken with a 10 digital multimeter
Readings are taken with a color-bar signal input.
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Voltage variations may be noted due to normal
production tolerance.
.
. B+ bus.
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: signal path
Reference information
RESISTOR : RN
METAL FILM
: RC SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: R S
: R B
NONFLAMMABLE CEMENT
COIL
: LF-8L MICRO INDUCTOR
CAPACITOR : TA TANTALUM
: STYROL
: P P POLYPROPYLENE
: P T MYLAR
: MPS
POLYESTER
: MPP
POLYPROPYLENE
: A L B
BIPOLAR
: ALT HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note:
are critical for safety. Replace only with part
specified.
Note:
et une marque
A
sont critiques pour la Ne remplacer
que par une piece le