Read Sharp CD-DP2400H (serv.man11) Service Manual online
– 15 –
CD-DP2400H
TEST MODE
KEY
TEST MODE
CONTENTS
[ON/STAND-BY] [TUNER] + [X-BASS]
TEST 1
TUNER PRESET MEMORY CLEAR
[ON/STAND-BY] [MEMORY/SET] + [X-BASS]
TEST 2
TUNER PRESET FOR PRODUCTION
[ON/STAND-BY] [>>] + [X-BASS]
TEST 3
KEY AND DISPLAY TEST
[ON/STAND-BY] [CD] + [X-BASS]
TEST 4
CD TEST MODE
[ON/STAND-BY] [TAPE] + [X-BASS]
TEST 5
TAPE TEST MODE
[ON/STAND-BY] [>] + [X-BASS]
TEST 6
ALL CLEAR(RESET)
[ON/STAND-BY] [TUN UP] + [X-BASS]
TEST 7
AUDIO TEST
[ON/STAND-BY] [TUN DOWN] + [X-BASS]
TEST 8
PRODUCTION INITIALIZE FOR CHANGER
During POWER OFF mode,push below each 2 keys [ON/STAND-BY] key.
Then go to each TEST MODE.
Then go to each TEST MODE.
CD-DP2400H
– 16 –
•
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,
sis with no signal given.
1. In the tuner section,
( ) indicates AM
< > indicates FM stereo
< > 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.
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.
5. 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.
parts with specified ones for maintaining the safety and
performance of the set.
NOTES ON SCHEMATIC DIAGRAM
•
Resistor:
•
Capacitor:
•
Schematic diagram and Wiring Side of P.W.Board for this
REF. NO
DESCRIPTION
POSITION
POSITION
SW713
TUNER (BAND)
ON—OFF
SW714
DIMMER
ON—OFF
SW715
X-BASS
ON—OFF
SW716
EQUAL
ON—OFF
SW717
NORMAL
ON—OFF
SW718
PHANTOM
ON—OFF
SW719
BY-PASS
ON—OFF
SW720
ON/STAND-BY
ON—OFF
SW721
CLOCK
ON—OFF
SW722
TIMER
ON—OFF
SW728
DISC 1
ON—OFF
SW729
DISC 2
ON—OFF
SW730
DISC 3
ON—OFF
SW731
DISC SKIP
ON—OFF
SW732
OPEN/CLOSE
ON—OFF
REF. NO
DESCRIPTION
SW1
OPEN/CLOSE
ON—OFF
SW2
CLAMP
ON—OFF
SW3
DISC NUMBER
ON—OFF
SW4
PICKUP IN
ON—OFF
SW701
CD
ON—OFF
SW702
TAPE
ON—OFF
SW703
TUNING DOWN
ON—OFF
SW704
MEMORY/SET
ON—OFF
SW705
REV
ON—OFF
SW706
FF
ON—OFF
SW707
PLAY
ON—OFF
SW708
STOP
ON—OFF
SW710
REC
ON—OFF
SW711
TUNING UP
ON—OFF
SW712
VIDEO/AUX
ON—OFF
(1) (2) (3)
(S) (G) (D)
E C B
FRONT
VIEW
2SC1845 F
2SC380 O
KRA107 M
KRC102 M
KRC104 M
KRC107 M
2SC380 O
KRA107 M
KRC102 M
KRC104 M
KRC107 M
KTA1266 GR
KTA1271 Y
KTA1273 Y
KTA1274 Y
KTC3199 GR
KTC3203 Y
KTA1271 Y
KTA1273 Y
KTA1274 Y
KTC3199 GR
KTC3203 Y
KTC2026
3105UYT1
4204SRT7
4204UYT4
4204SRT7
4204UYT4
B C E
FRONT
VIEW
FRONT
VIEW
VIEW
Figure 16 TYPES OF TRANSISTOR AND LED
Display
