Notes On Schematic Diagram; Types Of Transistor And Led - Sharp CD-BA300 Service Manual

• Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with "Fusible" is a fuse
type.
• Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means pico-farad and the unit of the capacitor
without such a symbol is microfarad. As to electrolytic
capacitor, the expression "capacitance/withstand voltage"
is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
• Schematic diagram and Wiring Side of P.W.Board for this
model are subject to change for improvement without prior
notice.
REF. NO
DESCRIPTION
SW1 OPEN/CLOSE
SW2 CLAMP
SW3 DISC NUMBER
SW4 PICKUP IN
SW701 POWER
SW702 CLOCK
SW703 TIMER/SLEEP
SW709 DISC 1
SW710 DISC 2
SW711 DISC 3
SW712 DISC SKIP
SW713 OPEN/CLOSE
SW714 DIMMER
FRONT
VIEW
E C B
(S) (G) (D)
(1) (2) (3)
KTA1266 GR KTA1273 Y
KRC102 M KTC3203 Y
KRC104 M KTC3199 GR
KTA1271 Y KTC107 M
KTA1274 Y KTC3194 Y
2SC1845 F 2SA1015 GR
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NOTES ON SCHEMATIC DIAGRAM

POSITION
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF

TYPES OF TRANSISTOR AND LED

FRONT
VIEW
B C E
KTC2026
– 39 –
• The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chas-
sis with no signal given.
1. In the tuner section,
( ) indicates AM
< > indicates FM stereo
2. In the main section, a tape is being played back.
3. In the deck section, a tape is being played back.
( ) indicates the record state.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
• Parts marked with "
" (
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
REF. NO
DESCRIPTION
SW715 X-BASS
SW716 EQUALIZER
SW722 CD
SW723 TAPE
SW724 TUNING/DOWN
SW725 MEMORY SET
SW726 REWIND
SW727 FAST FORWARD
SW728 PLAY
SW729 STOP
SW731 REC/PAUSE
SW732 TUNING/UP
SW733 VIDEO
SW734 TUNER
CD-BA300
) are important for
POSITION
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
FRONT
VIEW
4204SRT7
4204UYT7