
A B C D E F GH
1
2
3
4
5
– 6 –
– 5 –
4-3. Circuit Boards Location
Part replaced ( ) Adjustment ( )
C512, C513, C523, C549, C592,
D501, D533, IC500, IC507, Q500,
Q511, R506, R508, R515, R516,
R517, R518, R519, R551, R1536,
R1537, R1560 ...............(A BOARD)
R1536
( HOLD-DOWN )
• All voltages are in V.
• Voltage are dc with respect to ground unless otherwise noted.
• Readings are taken with a color-bar signal input.
• Voltagevariationsmaybenotedduetonormalproductiontolerance.
• : B+ bus.
• : B- bus.
• : signal path.
•* : Can not be measured.
• Nomark:withPALco1or-barsignalreceivedorcommonvoltage.
• For the respective voltage raltage in SECAM, NTSC 3.58, NTSC
4.43, S-VIDEO, and ANALOG RGB modes, see the table.
• BV BOARD is non signal.
• Circled numbers are waveform references.
Reference information
RESISTOR : RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
COIL : LF-8L MICRO INDUCTOR
CAPACITOR : TA TANTALUM
: PS STYROL
: PP POLYPROPYLENE
: PT MYLAR
: MPS METALIZED POLYESTER
: MPP METALIZED POLYPROPYLENE
: ALB BIPOLAR
: ALT HIGH TEMPERATURE
: ALR HIGH RIPPLE
Note:
Thecomponentsidentifiedbymark!arecriticalfor
safety.Replaceonlywiththepartnumberspecified.
4-4. PrintedWiring Boards and
Schematic Diagrams
Note:
• All capacitors are in µF unless otherwise noted.
pF: µµF 50WV are not indicated.
• Indication of resistance, which does not have one for rating
electrical power, is as follows.
Pitch: 5 mm
Rating electrical power 1/4W
• Chips resistors are 1/10W.
• All resistors are in ohms.
• : nonflammable resistor.
• : fusible resistor.
• : internal component, and adjustment for repair.
• : panel designation.
• All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
• METAL FILM (:RN, :RN-CP) resistors in 1%, 0.50%, 1/4W unless
otherwise specified.
• The components identified by in this basic schematic diagram
havebeencarefullyfactory-selectedforeachsetinordertosatisfy
regulations regarding X-ray radiation.
Should replacement be required, replace only with the value
originally used.
• Whenreplacingcomponentsidentifiedby ,makethenecessary
adjustments indicated. If results do not meet the specified value,
changethe component identifiedby andrepeat the adjustment
until the specified value is achieved.
(Refer to R1536 adjust on page 3-9, 3-10)
• When replacing the part in below table be sure to parform the
related adjustment.
¢
J
BV
(14M4DE/20M4DE)
H
G
X
BC
(14M4DE/20M4DE)
C
A
Q
(Terminal Board)
BB
(14M4DE/20M4DE)
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