Black Box SW628A-R2 User Manual

Browse online or download User Manual for Network switches Black Box SW628A-R2. MODEL CD-BA180 SERVICE MANUAL

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No. S7060CDBA180/
CONTENTS
Page
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
DISASSEMBLY.................................................................................................................................................................. 5
CD TEST MODE .................................................................................................................................................................8
BLOCK DIAGRAM ............................................................................................................................................................. 9
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD.............................................................................................. 12
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 28
TYPES OF TRANSISTOR AND LED................................................................................................................................28
WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 29
VOLTAGE ........................................................................................................................................................................ 30
FL DISPLAY......................................................................................................................................................................31
REPLACEMENT PARTS LIST/EXPLODED VIEW
MODEL CD-BA180
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
CD-BA180 Mini Component System consisting of
CD-BA180 (main unit), CP-BA180 (front speaker) and
GBOXS0040AWM1 (rear speaker).
CD-BA180
This Service Manual is for the CD-BA180, which is a minor-
modification model of the CD-BA150. This manual, therefore,
describes only the different points from the CD-BA150. Please
refer to the CD-BA150 service manual (No.S1003CDBA150/)
together with this manual.
CD-BA150
Page
OPERATION MANUAL ............................................................... 5
REMOVING AND REINSTALLING THE MAIN PARTS .............. 8
ADJUSTMENT .......................................................................... 11
TROUBLESHOOTING (CD SECTION) .................................... 35
FUNCTION TABLE OF IC ........................................................ 39
MINI COMPONENT SYSTEM
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1 2 3 4 5 6 ... 43 44

Summary of Contents

Page 1 - SERVICE MANUAL

No. S7060CDBA180/ CONTENTSPageSPECIFICATIONS ...

Page 2 - SPECIFICATIONS

CD-BA180– 10 – Figure 10 BLOCK DIAGRAM (2/3)REC/PLAYCLCEDISYSTEMMUTEQ401Q402DOCLDICEMO/STSWITCHING +B2FM/AMIC302LC72131PLL(TUNER)FM/AMOUT +B2LRBIAST1/

Page 3 - NAMES OF PARTS

– 11 –CD-BA180 Figure 11 BLOCK DIAGRAM (3/3)PT801POWER TRANSFORMERF8024A/125V+5V~~~~YVLOADRESET ICSYS. STOPRESETIC704Q609Q971+B3+B5M901FANMOTORMSO90

Page 4

CD-BA180– 12 –Figure 12 SCHEMATIC DIAGRAM (1/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 28. 42414039383736LOADING M-VCC4LD_M+

Page 5

– 13 –CD-BA180Figure 13 SCHEMATIC DIAGRAM (2/10)78 9 10 11 12• The numbers 1 to 13 are waveform numbers shown in page 29. CD SIGNALRESWRQCEDOCLD

Page 6

CD-BA180– 14 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 28.Figure 14 SCHEMATIC DIAGRAM (3/10)24232221201918171615141312111098765

Page 7

– 15 –CD-BA180Figure 15 SCHEMATIC DIAGRAM (4/10)78 9 10 11 12TUN_RTUN_LDICLKDOCETOTUNER SECTIONP19 11 - HTOTUNER SECTIONP16 1 - F, P19 11 - HA_10V

Page 8 - C D T E S T

CD-BA180– 16 –Figure 16 SCHEMATIC DIAGRAM (5/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 28.3 1313 1+B–B5.7V20V10V9.9V9.9VGND (

Page 9

– 17 –CD-BA180Figure 17 SCHEMATIC DIAGRAM (6/10)78 9 10 11 12+B+B–B–B-28V-33V-28V4.9V4.4VFRONT SPEAKER 8 OHMS T.F.43211R1_OUTL1_OUTSP_R-CH_GNDSP_L-C

Page 10

CD-BA180– 18 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 28.Figure 18 SCHEMATIC DIAGRAM (7/10)AMFMVSM AM OSC OUTFM IF IN321321242

Page 11

– 19 –CD-BA18078 9 10 11 12Figure 19 SCHEMATIC DIAGRAM (8/10)TP302(FM/AM)VSM 1201918171615141312111098765481716151413121110987TUN_SMTUN_LA_10V TUN_RGN

Page 12

CD-BA180– 2 –FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFERTO THE OPERATION MANUAL.Specifications for this model are subject t

Page 13

CD-BA180– 20 –Figure 20 SCHEMATIC DIAGRAM (9/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 28.80797877767574737271706968676665646

Page 14

– 21 –CD-BA180Figure 21 SCHEMATIC DIAGRAM (10/10)78 9 10 11 123029282726252423222120191817161514131211109 8 7 6 5 4 3 2 1 3 14.8V0V0V5.9V0V5.9V4.2VSPA

Page 15 - 8 9 10 11 12

CD-BA180– 22 –Figure 22 WIRING SIDE OF P.W.BOARD (1/8)ABCDEFGH12345611231123BCEECB2323567894R409C40C426ZD351C404L352C370C405R410C358C403C371C373Q401C3

Page 16

– 23 –CD-BA180Figure 23 WIRING SIDE OF P.W.BOARD (2/8)78 9 10 11 12R142C138R139C134R140C144C131Q111C136C130C135C128C129C122IC101C116C139C118R116R117R1

Page 17

CD-BA180– 24 –Figure 24 WIRING SIDE OF P.W.BOARD (3/8)ABCDEFGH123456C634R686R687R685R681IC701C624R672R667R689R713R715R710R668R676R712CNP703D613R719SW6

Page 18 - MAIN PWB-A1(3/3)

– 25 –CD-BA180Figure 25 WIRING SIDE OF P.W.BOARD (4/8)78 9 10 11 12FROMMAIN PWBP23 10 - ACNS701CNP401BI701 SW601POWER23456789101110R696R700321123SW60

Page 19

CD-BA180– 26 –Figure 26 WIRING SIDE OF P.W.BOARD (7/8)ABCDEFGH123456• The numbers 1 to 13 are waveform numbers shown in page 29.CNS402P23 9 - A

Page 20 - DISPLAY PWB-A2

– 27 –CD-BA180Figure 27 WIRING SIDE OF P.W.BOARD (8/8)78 9 10 11 12CD LOADING MOTORPWB-EAC SOCKET PWB-A416123456BI4M3T/T UP/DOWNMOTORRDWHBKWHBKWH–+SW3

Page 21

CD-BA180– 28 –(1) (2) (3) (S) (G) (D) E C B FRONTVIEWKTA1266 GRKRC102 MKRC104 MKTA1271 YKTA1274 Y2SC1845 FKTA1273 YKTC3203 YKTC3199 GRKRC1

Page 22 - HEADPHONES

– 29 –CD-BA180TTEFBLFDOTEStoppedCH1=500mVDC 10:1CH2=200mV DC 10:1CH3=1VDC 10:1500ms/div(500ms/div)NORM:20kS/s123=Record Length=Smoothing : O

Page 23

– 3 –CD-BA180 Front panel1.Extra Bass Indicator12.FM Stereo Mode Indicator13.FM Stereo Indicator14.(CD) Repeat Indicator15.(CD) Pause Indicator16.(CD

Page 24

CD-BA180– 30 –0V0V0V0V0V0V4.8V4.89V0V2.06V2.38V4.84V0.87V5.0V5.0V5.0V5.0V0V5.0V0V1.2V0V1.4V0V2.3V4.44V0.3V0V0V0V0V5.1V5.1V5.1V4.9V5.0V4.9V4.9V0V5.0V98

Page 25

– 31 –CD-BA180FL701 VVKBJ11LM02T1: FL DisplayFL DISPLAYS19GB1 B2 B3 B4 B5 B6 B7B7 B6 B5 B4 B3 B2 B1S51G 2G 3G 4G 5G 6G 7G 8G11G 10GS1B8B9B10B11B12B13B

Page 26

CD-BA180– 32 ––– MEMO ––

Page 27

– 33 –CD-BA180PARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts with specified ones f

Page 28 - NOTES ON SCHEMATIC DIAGRAM

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA180– 1 –INTEGRATED CIRCUITSIC1 VHILA9235M/-1 J AQ Servo Amp.,LA9235MIC2 VHILC

Page 29 - WAVEFORMS OF CD CIRCUIT

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA180C126,127 VCKYMN1HB271K J AA 270 pF,50VC128,129 VCEAZA1EW226M J AB 22 µF,25V

Page 30

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA180R35 VRD-ST2CD102J J AA 1 kohm,1/6WR38 VRD-ST2CD271J J AA 270 ohms,1/6WR39

Page 31 - FL DISPLAY

NO.PRICERANKDESCRIPTIONPARTS CODENO. PARTS CODEPRICERANKDESCRIPTIONCD-BA180R708 VRD-ST2CD103J J AA 10 kohm,1/6WR709,710 VRD-ST2CD222J J AA 2.2 kohms,1

Page 32 - –– MEMO ––

PRICERANKDESCRIPTIONNO.PARTS CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-BA180201-21 MLIFP0008AWZZ J AD Damper201-22 MSPRD0151AWFJ J Spring,Cassette Hol

Page 33

CD-BA180– 39 –ABCDEFGH123456Figure 6 CD MECHANISM EXPLODED VIEW– 6 –CD-BA180306-1701304701302301702303M1703x2305x2SW4M2305PWB-C306-2306-3306704

Page 34

CD-BA180– 4 –CP-BA180CD-BA180GBOXS0040AWM1 Rear panel11.AC Power Input Socket12.FM/AM Loop Aerial Socket13.Video/Auxiliary (Audio Signal) Input Socke

Page 35

CD-BA180– 40 –Figure 7 CABINET EXPLODED VIEW (1/2)ABCDEFGH123456– 7 –CD-BA180202-1202608x2202-2PWB-A2PWB-D206605x6613x4203-1203-2203201-7201-6201-420

Page 36

CD-BA180– 41 –Figure 8 CABINET EXPLODED VIEW (2/2)ABCDEFGH123456– 8 –CD-BA180248CDMECHANISM205257235236243224259239239260204-2204-1204-32582692042402

Page 37

CD-BA180– 42 –ABCDEFGH123456Figure 9 SPEAKER EXPLODED VIEW (1/2)– 9 –CP-BA180904(LEFT)905(RIGHT)909SP3(L-CH)SP4(R-CH)SP5(L-CH)SP6(R-CH)914x4914x490391

Page 38

CD-BA180– 43 –ABCDEFGH123456SP1(L-CH)SP2(R-CH)902905x6904903SP1(L-CH)SP2(R-CH)901BK(White Line)BKFigure 10 SPEAKER EXPLODED VIEW (2/2)– 10 –GBOXS0040A

Page 39

CD-BA180– 44 –No part of this publication may be reproduced,stored in a retrieval system, or transmitted inany form or by any means, electronic, mecha

Page 40

– 5 –CD-BA180DISASSEMBLYCaution on DisassemblyFollow the below-mentioned notes when disassemblingthe unit and reassembling it, to keep it safe and ens

Page 41 - MECHANISM

CD-BA180– 6 –Figure 6-1Figure 6-2Figure 6-3Figure 6-4Figure 6-5Figure 6-6Clamp LeverCam Gear RibCD Player Unit(Top View)(E1)x2ø3x10mm(D1)x2ø3x10mm(D3)

Page 42

– 7 –CD-BA1801 Woofer 1. Front Panel ... (A1) x1 7-22. Screw ... (A2) x8 7-32 Tweeter 1. Screw ... (B1) x

Page 43 - (White Line)

CD-BA180– 8 –TEST MODE· Setting the test mode Any one of test mode can be set by pressing several keys as fallows. <X-BASS> + <CD> + <P

Page 44 - © 2000 BY SHARP CORPORATION

– 9 –CD-BA180 Figure 9 BLOCK DIAGRAM (1/3)CNP12 CNP11Q2+3.3V +5V CONT5CONT2CONT3CONT4CONT7CONT6SLD0SPD0FD0TD0+5V TO DISPLAY SECTIONCLAMP SWCDINTWRQCED

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