Sharp SD-AT50H (serv.man15) Service Manual ▷ View online
SD-AT50H
– 42 –
•
Schematic diagram and Wiring Side of P.W.Board for this
•
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.
sis with no signal given.
•
Parts marked with “
1
” ( ) 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.
parts with specified ones for maintaining the safety and
performance of the set.
NOTES ON SCHEMATIC DIAGRAM
•
Resistor:
•
Capacitor:
REF. NO
DESCRIPTION
POSITION
SW1
POWER
ON—OFF
SW2
VOLUME UP
ON—OFF
SW3
VOLUME DOWN
ON—OFF
SW4
DIGITAL/ANALOG
ON—OFF
SW5
FUNCTION
ON—OFF
TYPES OF TRANSISTOR AND LED
KTA1504 GR
KTC3875 GR
KRA106 S
KRC102 S
KRC104 S
KRC107 S
KTC3875 GR
KRA106 S
KRC102 S
KRC104 S
KRC107 S
DS1SS133
D1NL20U
D1NL20U
B
(3)
E
(1)
C
(2)
TOP
VIEW
KDS120E
KDS121E
KDS226
KDS121E
KDS226
TOP VIEW
TOP VIEW
TOP VIEW
2SD1616 A
2SK246 GR
KTA1266 GR
KTA1271 Y
KTA1273 Y
KTC2874 B
KTC3199 GR
KTC3203 Y
2SK246 GR
KTA1266 GR
KTA1271 Y
KTA1273 Y
KTC2874 B
KTC3199 GR
KTC3203 Y
VIEW
FRONT
E C B
(S)(G)(D)
(1)(2)(3)
1N4004S
KDS160
SFPW56
KDS160
SFPW56
D5SB60
A C
A C
VIEW
FRONT
FRONT
VIEW
VIEW
3105T1
3105VGT
31URT21
SEL2E10C
SELU2E10
3105VGT
31URT21
SEL2E10C
SELU2E10
KTC3205 Y
KRA106 M
KRA107 M
KRC102 M
KRC104 M
KRC106 M
KRC107 M
KRA106 M
KRA107 M
KRC102 M
KRC104 M
KRC106 M
KRC107 M
Display