Sharp CDC2900 Support Question
Sharp CDC2900 Support Question
Find answers below for this question about Sharp CDC2900 - 3-CD Compact Stereo System.Need a Sharp CDC2900 manual? We have 1 online manual for this item!
Question posted by gwech on October 18th, 2022
Can I Get A Better Antenna?
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Current Answers
Answer #1: Posted by hzplj9 on October 18th, 2022 12:20 PM
hzplj9
Member since:
June 25th, 2012 Points: 4,873,510
Member since:
June 25th, 2012 Points: 4,873,510
If your looking for a better FM aerial you could try one of these.
https://www.amazon.com/Stellar-Labs-30-2435-Outdoor-OMNIDIRECTIONAL/dp/B00DHHOZBI
There are other suppliers available as well as Amazon if you do an internet search.
Hope that solves your problem. Please mark as helpful if it leads you to a satisfactory solution.Thank you.
Answer #2: Posted by SonuKumar on October 18th, 2022 9:26 PM
SonuKumar
Member since:
May 9th, 2021 Points: 16,609,800
Member since:
May 9th, 2021 Points: 16,609,800
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
Your search handyman for all e-support needs!!
Related Sharp CDC2900 Manual Pages
Service Manual - Page 1
... without notice. The contents are subject to be used for after sales service only. Illustration: CD-C622 Illustration: CD-C2900
CD-C622/C2900
SERVICE MANUAL
No. CD-C2900
CD-C2900 mini component system consisting of CD-C2900 mini component system and CP-C2900 speaker system.
• In the interests of CD-C622 mini component system, CP-C622 and rear (GBOXS0021AWM1) speaker...
Service Manual - Page 2
... the resistor (See diagram). * Connect the resistor connection to all lead dress to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage...is not lodged between the chassis and other metal parts in the following safety checks. 1.
CD-C622/C2900
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE...
Service Manual - Page 3
... 1, playback)
50 dB (TAPE 2, recording/
playback)
Wow and flutter:
0.15 % (WRMS)
Compact disc player section
Type:
3-disc multi-play compact disc
player
Signal readout:
Non-contact, 3-beam semi-
CD-C622/C2900
SPECIFICATIONS
CD-C622/C2900
General Power source: Power consumption: (CD-C622) Power consumption: (CD-C2900) Dimensions:
Weight:
AC 120 V, 60 Hz Stand-by; 0.3 W Power on...
Service Manual - Page 4
...Tuning and Time Up/Cue Buttons 34. Video/Auxiliary (Audio Signal) Input Sockets
5. Speaker Terminals (CD-C2900)
1
2
- 4 -
3 4 5
6
(Illistration: CD-C622) CD-C622/C2900
CD-C622/C2900
Front Panel 1. Disc Skip Button 5. FM Stereo Indicator 9. (CD) Repeat Indicator 10. (CD) Play Indicator 11. (CD) Pause Indicator 12. Timer Set Indicator 24. Power Button 25. AC Power Input Socket...
Service Manual - Page 6
... displayed.)
Note: In the event of the stored memory contents (clock and timer settings, and tuner and CD presets). RESETTING THE MICROCOMPUTER
2
1,2
Reset the microcomputer under the following conditions: To erase all data stored... - 23:59)
Note that this can only be set for the 12-hour (AM 12:00) system.
PM 11:59)
"0:00"
→ The 24-hour display will go out. Press the TUNING/TIME...
Service Manual - Page 9
... E2) x4 3. Flat Wire E3) x1 4. Flat Cable E5) x1
10-1
6 Front Panel
1. Screw G2) x12
8 Tape Mechanism 1. Guide L2) x2
12 CD Servo PWB 1. Socket M2) x4
13 CD Changer Mechanism
1. Take cassette tape and compact disc out of integrated circuits and other circuits when servicing.
(B1)x1 ø3x8mm
Top Cabinet...
Service Manual - Page 13
...V ± 50 mV
RF
98.00 MHz 98.00 MHz L302
*2
(10-30 dB)
*1. Input: Antenna, Output: TP301
Setting/ Instrument Adjusting Connection
Parts
T351
*1
(fL): T333 *2 1.1 ± 0.1 V
(fL... and adjust the VCO.
Coverage
530 kHz
Tracking 990 kHz 990 kHz *1. cm - - CD-C622/C2900
ADJUSTMENT
MECHANISM SECTION
• Driving Force Check
Torque Meter
Specified Value
Play: TW-...
Service Manual - Page 14
...changed. Therefore, each time a disc is not restricted.
• Automatic adjustment item 1. CD-C622/C2900
TEST MODE
• Setting the test mode Any one of test mode can be...can be moved by pressing several keys as follows. + + TEST: CD operation test
• TEST mode
Function - Since this CD system incorporates the following key is pressed during PLAY, it is possible to ...
Service Manual - Page 15
... FOOL PROOF F.A.S. In the tuner section,
( ) indicates AM
< > indicates FM stereo
2. In the CD section, the CD is being played back.
( ) indicates the record state.
4. NO SW1 SW2 SW3...played back.
5. Be sure to change for maintaining the safety and
performance of the set . CD-C622/C2900
NOTES ON SCHEMATIC DIAGRAM
• Resistor: To differentiate the units of resistors, such symbol...
Service Manual - Page 18
CD-C622/C2900
FM
AM LOOP
ANTENNA ANTENNA
L301 FM B.P.F
IC301
1
TA7358AP 6
FM FRONT END
9
23 4 5 7
8
FM OSC
L302 FM RF
FM OSC L303
Q302 OSC BUFF
FM IF
+B4
T301... 23 22
7
17
13
15
VCO MO/ST
MPX IN 16
L 9 R 10
FM/AM 11
Q350
AM OSC IN AM+B
AM RF IN STEREO
AM TRACKING T331
AM BAND COVERAGE T333
Q343
FM/AM SWITCHING
+B7
1 IC704 3
2
AM IN FM IN CE DI CL DO
X352 4.5MHz VT...
Service Manual - Page 19
...83
47
84
46 VDD
85
45
86
44
87
43
IC701
88
42
IX0280AW
89
41 40
SYSTEM CONTROL
90 91
39
MICROCOMPUTER
92
38
93
37
94
36
95
35
96
34 AVDD
97
... 9 8 7 6 5 4 3 2 1
UNSWITCH +B7 MEMORY BACK UP
KEY SW701 ~SW730
+B5 PHM1
+B7
XL701
Q704
4.19MHz
TO CD SECTION Q960
+B1
M
M901 FAN MOTOR
+B5
-B4
13 R
P
8 L
ESSOR
Q121 Q122 UTING
REC
T1/T2
Q601 Q603 Q602 Q604
...
Service Manual - Page 28
...SCHEMATIC DIAGRAM can be found on page 15.
1
2
3
4
5
6
Figure 28 SCHEMATIC DIAGRAM (9/10) - 28 - CD-C622/C2900
A
DISPLAY PWB-A3
F F F
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
FL701 FL...CD
IC701 IX0280AW SYSTEM CONTROL MICROCOMPUTER
67 P22/DIST4
66 NC DISTOUT 65 SPN_P 64 SP_DET
CD D DIST0 L:DEMOSTART DIST0 H:ECOSTART
63 SPRLY
CD D
62
61 HI-CUT
CD D
60
CD...
Service Manual - Page 30
...
C910
C909
D801
1
2
3
4
5
6
Figure 30 WIRING SIDE OF P.W.BOARD (1/11)
- 30 - TERMINAL
L-CH +
R-CH +
FRONT 6 OHMS
MIN. F
SO901 SPEAKER
R-CH -
R-CH -
CD-C622/C2900
CD-C622
C625 R628 R646 R640
ZD602
A
AM LOOP ANTENNA
B
3 2 1
FM ANTENNA
C
M901 FAN MOTOR
R-CH
JK601
D
VIDEO IN
L-CH
CNS804 RD 2
1 BR
E
L-CH +
REAR R-CH +
12 OHMS MIN. L-CH -
Service Manual - Page 32
CD-C622/C2900
CD-C2900
R609
A
AM LOOP ANTENNA
B
3 2 1
FM ANTENNA
C
M901 FAN MOTOR
R-CH
JK601
D
VIDEO IN
L-CH
CNS804 RD 2
1 BR
E
F
L-CH + R-CH +
SO901 FRONT SPEAKER 6 OHMS
TERMINAL MIN. L-CH - R-CH -
G
H
T331 R321 R323
CNP301 ...
Service Manual - Page 44
... voltage input in PICKUP IN SW position. No
OK
IC91 defective.
• The CD function will not work . The CD operating keys don't work . Yes See if the pick-up is in the pick-up and down twice? HF system.
0.5s 0.50 V IC1 7 TE
Playback can be performed without disc.
1 2
- 44 - Yes
Does...
Service Manual - Page 45
...servo circuit).
Yes Check the spin system.
Data cannot be reached. Check the VCO-PLL system. Yes
Check the periphery of IC1 pin 7 (TE). Yes
If the disc is loaded.
CD-C622/C2900
• Playback can... servo is
Check the periphery of
IC1 pins 41 and 42. Check the spin system.
Yes
Normal jump is impossible.
HF 1.0V/DIV 0.5µsec/DIV(DC) (When playing back...
Service Manual - Page 46
... to rotate or rotates at 4.32 M Hz, voltage of flawless disc is normal. CD-C622/C2900
• Checking the spin system. Yes Although HF waveform is performed without disc. No The turntable fails to CNP3.
...• Checking the VCO-PLL system Play operation is emitted.
Play operation is normal, TOC data cannot be read. Yes The...
Service Manual - Page 47
...to input CLV error signal from DSP. Pin to connect gain setting resistor in the digital system. Pin to set time constant of tracking gain. Input pin of thread feed signal from...pin. (SLICE LEVEL CONTROL) is the output pin to control the level of data slice with SPD pin. No connect. CD-C622/C2900
FUNCTION TABLE OF IC
IC1 VHiLA9241M/-1: Servo Amp. (LA9241M) (1/2)
Pin No. 1
2 3 4 5 6...
Service Manual - Page 52
... INPUT TAPE2 RUN PULSE INPUT KEY INPUT ANALOG VDD ANALOG REF VOLTAGE CD PUIN SWITCH CD OPEN/CLOSE SWITCH SYSTEM STOP INPUT REMOCON INPUT GROUND VOLTAGE CD DISC NO.
Input Input Input Input -
CD DSP CLOCK CD DSP RESET CD RF LEVEL DETECTION CD SLIDE MOTOR + CD SLIDE MOTOR ANALOG GROUND
26
ANI7
27
ANI6
SPEANA3 SPEANA2
Input Input...
Service Manual - Page 55
...wire) VC J .. Be sure to order.
3.
No.
PARTS GUIDE
CD-C622/C2900
MODEL CD-C622
CD-C622 mini component system consisting of CD-C2900 mini component system and CP-C2900 speaker system. CD-C2900
CD-C2900 mini component system consisting of CD-C622 mini component system, CP-C622 and rear (GBOXS0021AWM1) speaker system. REF. The 13th character represents error.
("J" ±5%, "F" ±...
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