Notes On Schematic Diagram; Types Of Transistor And Led - Sharp CD-XP500A Service Manual

CD-XP500A/CD-XP500W
• 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
JOG701 JOG VOLUME
SW1 OPEN/CLOSE
SW2 CLAMP
SW3 DISC NUMBER
SW4 PICKUP IN
SW601 SPAN SELECTOR
SW701 ON/STAND-BY
SW702 FAST REWIND/PRESET DOWN
SW703 FAST FORWARD/PRESET UP
SW704 STOP
SW705 PLAY
SW706 REVERSE PLAY
SW707 REVERSE MODE
SW711 CD
FRONT
VIEW
E C B
(S) (G) (D)
(1) (2) (3)
KRC102 M KTC3194 Y
KRC104 M KTC3199 GR
KTA1266 GR KTC3200 GR
KTA1273 Y KTC3203 Y
KTA1274 Y
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NOTES ON SCHEMATIC DIAGRAM

POSITION
ON—OFF
ON—OFF
ON—OFF
ON—OFF
ON—OFF
50 kHz/9 kHz—
100 kHz/10 kHz
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
KTC2026
– 14 –
• 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.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
• Parts marked with " 1 " (
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
SW712 TUNER (BAND)
SW713 TAPE
SW714 VIDEO/AUX
SW715 TIMER/SLEEP
SW716 TUNING/TIME UP
SW717 REC PAUSE
SW718 MEMORY/SET
SW719 TUNING/TIME DOWN
SW720 CLOCK
SW723 DISC SKIP
SW724 OPEN/CLOSE
SW725 EQUALIZER
SW726 X-BASS/DEMO
SW801 VOLTAGE SELECTOR
E
4204UYT7
A503BC2E
SLR342VCJ
) 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
110 V—127 V—
220 V—230-240 V
FRONT
VIEW