Sony SA-VA15 - Page 7

2-3. SCHEMATIC. DIAGRAM — DISPLAY SECTION —
NOTE
* Ali capacitors are in BF unless otherwise noted, pF: uur
SOW or less are not indicated except for electrolytics
and fontaiums, .
e All resistors are in Q and |/4W or fess unless otherwise
Specified,
° A ‘internal component.
¢ [] :panel designation,
L50
FLUORESCENT INDICATOR TUBE
SOLDER SIDE VIEW
i |
aotatetete > [B+] :Bt Line,
as | ‘ j
Bo Tt ° (BP Line,
a] * Voltages and waveforms are dc with respect to ground
under no-Signa! conditions,
no mark:FL oll light up (See Page 2)
* Voltages are taken with a VOM(Input impedance 1(MQ).
513 R548 47k Voltage variations may be noted due to normal produc-
Reg! aad leader tion tolerances,
S15
J
R546
47k
‘
‘
5 S161 wy, R5KS 47K ' * Waveforms are taken with a oscilloscope,
eee Ha Voltage variations may be noted due to normal produc-
A k
Hee
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RS42
47k
tion
tolerances,
S204 R541 47k
‘a POWER RY ot - neat C507 rae mae R540 47k
Raeseal pens oof [a rep nm Rane |
PLO/BELAY-CE
|
0
:
PLO/BELAY-CE
10501
(2)
823-4
ROSB
47K
505
SMLI4760CN
Soe aa te poveeiay-oata -APO7BOSZAGF 065-389 -16.2-2), 7 824 RS37 47k
PLO/BELAY-CLK
|
0
ee
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Proeetavcie
=
SYSTEM
CONTROL
7!*"?
R534
220
RED
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GRN
FRONT MUT |O . READY LES N tots
CENTER EXT MUT O OPRATE LED
| cin 6.8 mee erode pts oe |
REAR
MUT
O
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ne
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r
9504
SEL42148
CENTER MUT | © EXT SIRCS Ong AC STANDBY
CENTER
EXT/INT
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ug
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er
10503
VOL SBA~1 | VOL SBA-2 Om As GP 1U52xB
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MAIN
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ew
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rae
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224 6.01
S/W VOL-BATA |O—4 Rolec1 0G 8G 6 1C503
S/W
VOL-CLK
}
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100
|
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et
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|
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2-4. PRINTED WIRING BOARD — DISPLAY SECTION —
( MAIN BOARD
CN 102
([DISP BOARD]
CNI52
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ww
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Note:
SA-VA15
*
o—
—
:
parts
extracted
from
the
component
side.
* A: internal component.
“=: Pattern from the side which enable seeing.