Sharp XL-UH260 Service Manual - Page 57

Circuit Schematics And Parts Layout

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XL-UH260 CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] Notes on schematic diagram • 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. • Schematic diagram and Wiring Side of P.W.Board for this model are subject to change for improvement without prior notice. • The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chassis with no signal given. • Capacitor: To indicate the unit of capacitor, a symbol P is used: this symbol Pmeans pico-farad and the 1. In the tuner section, indicates AM indicates FM stereo unit of the capacitor without such a symbol is 2. In the CD section, the CD is stopped. microfarad. As to electrolytic capacitor, the • Parts marked with " " ( ) are important for expression "capacitance/withstand voltage is used". maintaining the safety of the set. Be sure to replace (CH), (TH), (RH), (UJ): Temperature compensation these parts with specified ones for maintaining the safety (ML): Mylar type and performance of the set. (P.P.): Polypropylene type REF. NO SW701 SW702 SW703 SW704 SW705 SW706 SW707 SW708 SW709 SW710 SW711 SW712 VR701 DESCRIPTION DISC4 DISC5 OPEN/CLOSE DISC1 DISC2 DISC3 POWER ON/STAND-BY PLAY/PAUSE STOP VIDEO/AUX/USB TUNER (BAND) CD VOLUME 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 MAX -MIN [2 ] Types of Transistor and LED FRONT VIEW ECB (S)(G)(D) (1)(2)(3) KTA1271 Y KTA1274 Y KIA78L05 KTC3199 GR KTC3203 Y KTC3205 Y B (3) TOP C VIEW (2) E (1) KRA102 S KRC107 S KRC102 S KRC104 S KTA1504 Y KTC3875 GR KTC1544 T KTC3265 Y TOP VIEW DS1SS119 TOP VIEW 1N404S 1N4148H TOP VIEW KDS184 KDS160 FRONT VIEW AC AC TS10B05G TS4B05G 6 - 1 FRONT VIEW FRONT VIEW 343VC3F SDPB50CD SDPB40F2A ECB KIA7805A

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XL-UH260
6 – 1
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Notes on schematic diagram
•
Capacitor:
•
Resistor:
(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.
•
The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the
chassis with no signal given.
1. In the tuner section,
indicates AM
indicates FM stereo
2. In the CD section, the CD is stopped.
•
Parts marked with “
“ (
)
are important for
maintaining the safety of the set. Be sure to replace
these parts with specified ones for maintaining the safety
and performance of the set.
[2] Types of Transistor and LED
REF. NO
DESCRIPTION
POSITION
SW701
DISC4
ON—OFF
SW702
DISC5
ON—OFF
SW703
OPEN/CLOSE
ON—OFF
SW704
DISC1
ON—OFF
SW705
DISC2
ON—OFF
SW706
DISC3
ON—OFF
SW707
POWER ON/STAND-BY
ON—OFF
SW708
PLAY/PAUSE
ON—OFF
SW709
STOP
SW710
VIDEO/AUX/USB
SW711
TUNER (BAND)
SW712
CD
VR701
VOLUME
ON—OFF
ON—OFF
ON—OFF
ON—OFF
MAX —MIN
KRC107 S
KRA102 S
KRC102 S
KRC104 S
KTA1504 Y
KTC3875 GR
KTC1544 T
KTC3265 Y
DS1SS119
B
(3)
E
(1)
C
(2)
TOP
VIEW
KDS184
KDS160
TOP VIEW
TOP VIEW
TOP VIEW
KTA1271 Y
KTA1274 Y
KIA78L05
VIEW
FRONT
ECB
(S)(G)(D)
VIEW
FRONT
ECB
(1)(2)(3)
1N404S
1N4148H
TS10B05G
TS4B05G
AC
AC
VIEW
FRONT
FRONT
VIEW
343VC3F
SDPB50CD
KIA7805A
SDPB40F2A
KTC3199 GR
KTC3203 Y
KTC3205 Y
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.
To indicate the unit of capacitor, a symbol P is
used: this symbol Pmeans 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".