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Sharp GBOXS0070AWM1, Service Manual

The Sharp GBOXS0070AWM1 is a high-performance device that offers cutting-edge features. For a hassle-free experience, easily access the detailed Service Manual and user manual for this product by downloading them free from manualshive.com. A must-have resource to optimize your product usage and troubleshoot any issues efficiently.

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CD-BK250W/CD-BK2600W/CD-BK270W

– 18 –

 Figure 18 BLOCK DIAGRAM (2/3)

AM

ANTENNA

SO302

FM

ANTENNA

CNP301

JK1

MIC

1

2

IC101

AN7345K

PLAYBACK AND RECORD

/PLAYBACK AMP.

AUX 

R

L

R

L

JK690

VIDEO/AUX IN

FM

+B

+B4 

CLK 

+B4

AM IF

OSC BUFF

FM  IF 

FM

OSC

B.P.F 

CNS601

ATT

–20 dB

Q103-

Q104

–B2

+B4

IC561,IC5

KIA4558

OPE AM

IC562 

IC561 

Q107
Q108

Q601
Q602

10.7 MHz 

450kHz

REC

CLK

CE

DI

DO

DI

CE

MO/ST

SWITCHING 

+B4 

FM/AM

IC302

LC72131

PLL(TUNER)

FM/AM

OUT

L

R

MUTING

P.B.

REC

AC BIAS

L

L R

L

R

R

R

L

TAPE

TUNER

CD

PB

CNP7

FROM CD SECTION 

HEAD

ERASE

SWITCHING 

SWITCHING 

SWITCHING 

BIAS

Q113

Q114

Q112

Q110

SWITCHING 

Q109

OSC

BIAS Q111

L103

Q105
Q106

REC PB HEAD

TAPE 2

P.B. HEAD

TAPE 1

R-CH

L-CH

R-CH

L-CH

IC601

LC75341

AUDIO PROCESSOR

+B4 

R

L

REC

R

L  

L NF
R NF

ALC

REF

R REC 

L REC 

POP REDUCE

R NF

L NF

SWITCHING 

L(T2) 
R(T2) 

R(T1) 

L(T1) 

R

L

FM/AM

MPXIN

STEREO

AM RF IN

AM OSC IN 

FM

Q360

VT

OSC

X352

4.5 MHZ

AM  BAND
COVERAGE

AM  TRACKING 

T303

T306

Q302

X351

456 kHz

MO/ST

VCO

FM

DET

FM+B

GND

AM IF

CF351

IC303

LA1832S

FM IF DET.

FM MPX./

AM IF MPX.

AM MIX

CF352 

T351

RF

FM

OSC 

FM

L312

T301

CF303

T302

IC301

TA7358AP

FM FRONT END

BF301 

21

7

8

4

1

22

3

4

24

2

1

18

17

8

3

9

10

18

11

16

3

15

10

9

7

23

14
12
13

1
2

20

19

7

18

10

8

17

13

21

4

5

2

24

23

6

9

16

14

12

15

1

5

4

1

3

8

4

3

2

1

21

7

9 8

5

17

6

21

2

1

20

22

11

17

16

15

9

6

5

7 

13

14

12

15

16

23

4

7

H/N

P.B 

REC

T1/T2

T1/T2

NOR/
HIGH

L 

R 

ICK1

M65856SP

MIC AMP.

ICK2

KIA4558P

OPE AMP.

LATCH

MIC IN

VRK1

MIC

VOLUME

CLK

DATA

LOUT

ROUT

L IN

R IN

VCC

+B5

+B4

9

8

7

5

6

2

3

1

12

13

22

23

QK1

32

31

35

36

42

41

40

All manuals and user guides at all-guides.com

Summary of Contents for GBOXS0070AWM1

Page 1: ...estored 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 MINI COMPONENT SYSTEM MODEL CD BK250W CD BK250W Mini Component System consisting of CD BK250W main unit and CP BK250 speaker system MINI COMPONENT SYSTEM MODE...

Page 2: ...ECTION Before operating the unit on mains check the preset voltage If the voltage is different from your local voltage adjust the voltage as follows Turn the selector with a screwdriver until the appropriate voltage number appears in the window 110 V 127 V 220 V or 230 V 240 V AC AC POWER SUPPLY CORD AND AC PLUG ADAPTOR QACCA0003AW00 QACCL0005AW00 QACCJ0007AW00 QPLGA0003AWZZ QPLGA0004AWZZ Laser Di...

Page 3: ...m 13 Depth 217 mm 8 9 16 Weight 3 0 kg 6 6 lbs each General Amplifier CD player Tuner Cassette deck Power source AC 110 127 220 230 240 V 50 60 Hz Power consumption 130 W Dimensions Width 270 mm 10 11 16 Height 330 mm 13 Depth 340 mm 13 3 8 Weight 7 4 kg 16 1 lbs Output power Front speakers MPO 160 W 80 W 80 W 10 T H D RMS 100 W 50 W 50 W 10 T H D RMS 70 W 35 W 35 W 0 9 T H D Surround speakers MPO...

Page 4: ...ind Tuner Preset Up Button 25 Tuning and Time Down Button 26 Memory Set Button 27 Tape 2 Record Pause Button 28 CD Track Down or Fast Reverse Tape 2 Fast Wind Tuner Preset Down Button 29 Microphone Level Control 30 Microphone Socket 17 22 21 16 15 14 13 12 11 25 26 27 29 30 28 23 24 18 19 20 4 5 6 1 2 3 8 9 10 7 Display 1 Extra Bass Indicator 2 FM Stereo Mode Indicator 3 FM Stereo Receiving Indica...

Page 5: ...Power Lead 8 AC Voltage Selector 2 1 5 6 7 4 3 8 1 Surround Speaker Terminals 2 FM 75 Ohms Aerial Terminal 3 FM Aerial Earth Terminal 4 AM Loop Aerial Socket 5 Span Selector Switch 6 Video Auxiliary Audio Signal Input Sockets 7 Front Speaker Terminals 8 AC Power Lead 9 AC Voltage Selector 2 1 5 6 7 8 4 3 9 Speaker system 1 Tweeter 2 Woofer 3 Bass Reflex Duct 4 Speaker Wire 3 4 1 2 3 CP BK250 CP BK...

Page 6: ...Button 11 Tuner Band Button 12 On Stand by Button 13 Extra Bass Button 14 CD Random Button 15 CD Memory Button 16 CD Pause Button 17 CD Track Up or Fast Forward Tape 2 Fast Wind Tuner Preset Up Button 18 CD or Tape Stop Button 19 CD Play or Repeat Tape 1 Play Tape 2 Forward Play Button 20 Video Auxiliary Button 21 Tape 1 2 Button 22 Volume Up and Down Buttons 1 2 15 16 17 18 19 20 22 3 6 4 7 8 9 1...

Page 7: ...l the programmed contents Refer to Clearing all the memory reset 2 Perform Setting the Clock from the beginning System Connections Setting the AC voltage selector Check the setting of the AC voltage selector located on the rear panel before plug ging the unit into an AC socket If necessary adjust the selector to correspond to the AC power voltage used in your area Turn the selector with a screwdri...

Page 8: ...AC power lead of the unit plugged in Is the battery polarity respected Are the batteries dead Is the distance or angle incorrect Does the remote control sensor receive strong light Troubleshooting Chart If trouble occurs When this product is subjected to strong external interference mechanical shock excessive static electricity abnormal supply voltage due to lightning etc or if it is operated inco...

Page 9: ...te tape and compact disc out of the unit 2 Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit 3 Take off nylon bands or wire holders where they need to be removed when disassembling the unit After servicing the unit be sure to rearrange the leads where they were before disassembling 4 Take sufficient care on static electricity of integrated circuit...

Page 10: ...Power PWB E2 x1 E1 x2 ø3x10mm E2 x1 E2 x1 E2 x1 Headphones PWB E4 x1 Mic PWB Front Panel F1 x2 ø3x8mm Main PWB G3 x1 G1 x1 K2 x1 Mic PWB K1 x2 ø3x10mm Open Cassette Holder Lug Wire Lug Wire Headphones PWB J1 x1 ø3x10mm H1 x5 ø3x10mm Tape Mechanism G2 x12 ø3x10mm Display PWB CD BK270W ONLY Front Panel Turntable Slide Chassis L2 x1 CD Player Unit L1 x2 3 M1 x3 M1 x3 1 2 All manuals and user guides a...

Page 11: ...Figure 11 1 CP BK250 CP BK2600 CP BK270 Figure 11 4 A1 x1 Screwdriver Driver should be pried away from Speaker Box Front Panel Speaker Box B1 x4 ø4x12mm Woofer C1 x2 ø3x10mm Tweeter Figure 11 2 N3 x2 N2 x2 N3 x2 CD Servo PWB Slide Chassis N1 x1 ø3x8mm P2 x3 P1 x1 P1 x1 CD Mechanism Slide Chassis All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ...te When installing the pinch roller pay attention to the spring mounting position How to remove the belt TAPE 2 See Fig 12 4 1 Remove the main belt D1 x 1 pc from the motor side 2 Remove the FF REW belt D2 x 1 pc How to remove the belt TAPE 1 See Fig 12 4 1 Remove the main belt E1 x 1 pc from the motor side 2 Remove the FF REW belt E2 x 1 pc How to remove the motor See Fig 12 5 1 Remove the screws...

Page 13: ...o remove the loading motor 2 Remove the drive belt A2 x 1pc Figure 13 1 ADJUSTMENT MECHANISM SECTION Driving Force Check Torque Meter Specified Value Play TW 2111 Tape 1 Over 80 g Tape 2 Over 80 g Torque Check Torque Meter Tape 2 Play TW 2111 30 to 80 g cm 30 to 80 g cm Fast forward TW 2231 70 to 180 g cm Rewind TW 2231 70 to 180 g cm Specified Value Tape 1 Specified Value Adjusting Point Instrume...

Page 14: ... AM Band 531 kHz fL T306 2 Coverage 1 1 0 1 V AM Tracking 990 kHz 990 kHz fL T303 1 1 Input Antenna Output TP301 2 Input Antenna Output Speaker terminal FM RF Signal generator 1 kHz 40 kHz dev FM modulated FM Band 87 50 MHz T301 fL 1 Coverage 1 3 V 0 1 V FM RF 98 00 MHz 98 00 MHz L312 2 10 30 dB Test Stage Instrument Connection Frequency Frequency Display Setting Adjusting Point Figure 14 1 ADJUST...

Page 15: ...ay at that specific point MEMORY key input Tracking ON play from that specific point STOP key input STOP IL isn t done VOL Last memory BAL CENTER P GEQ FLAT X BASS OFF To cancel Power OFF Sliding the PICKUP with button must only be in STOP mode MEMORY key input Adjustment result automatically will display as below for each 2 sec a FOFF_XX b TOFF_XX c TBAL_XX d TGAN_XX f FGAN_XX g RFLS_XX explanati...

Page 16: ...ion 03 TAPE Mechanism Error ER TA 00 Tape Mechanism Error 01 Initial Error 02 03 CD VCD Pickup Mechanism Error ER CD 00 Pickup Mechanism Error 01 PU IN SW Detection NG 02 03 04 CD Changer Mechanism Error ER CD 10 Changer Error 11 Initial Error 12 13 Tray Error ET CD 20 Tray Error 21 22 23 Focus Not Match NO DISC IL Time Over NOT READ TUN PLL Unlock ER TU 00 TUN Error 01 PLL Unlock 02 03 All manual...

Page 17: ...D ADAVDD RFVDD XL1 33 8688MHz OC DISC NO CLAMP SW CD RES CLK DI DO CE DRF WRQ 5 B5 5 B5 DGND L CH AGND VCC3 VCC2 VCC4 VCC1 IC2 M63001FP FOCUS TRACKING SPIN SLED DRIVER XIN XOUT RES WRQ DO DI CLK CE TIN2 TIN1 FIN2 FIN1 TD0 FD0 SPDO SLDO CONT5 CONT2 CONT3 CONT4 RCHO RVSS LVSS LCHO 80 42 79 75 20 5 40 18 24 23 14 8 21 22 29 35 41 47 46 7 10 9 8 7 15 1 2 17 25 42 41 83 39 4 7 6 5 16 82 26 27 3 1 6 4 5...

Page 18: ...C75341 AUDIO PROCESSOR B4 R L REC R L L NF R NF ALC REF R REC L REC POPREDUCE R NF L NF SWITCHING L T2 R T2 R T1 L T1 R L FM AM MPXIN STEREO AM RF IN AM OSC IN FM Q360 VT OSC X352 4 5 MHZ AM BAND COVERAGE AM TRACKING T303 T306 Q302 X351 456 kHz MO ST VCO FM DET FM B GND AM IF CF351 IC303 LA1832S FM IF DET FM MPX AM IF MPX AM MIX CF352 T351 RF FM OSC FM L312 T301 CF303 T302 IC301 TA7358AP FM FRONT ...

Page 19: ...50V Vcc Vcc R OUT L OUT CLK SO901 SPEAKER TERMINAL SR1 SURROUND SPEAKER TERMINAL 31 REC PLAY CLK CE DI VLOAD RESET B5 B5 B5 B5 VDD VDD VDD SP DET CE DI DO 4 XL700 4 194304 MHz L R BIAS T1 T2 TING AVDD SW701 SW703 SW712 SW732 KEY TO CD SECTION IC701 IX0427AW 1 2 SYSTEM MICROCOMPUTER FL701 FL DISPLAY OR R L X351 6 kHz 21 23 89 81 32 80 49 48 47 93 14 92 90 1 2 4 5 6 7 8 15 1 29 28 9 78 67 6 1 3 2 3 ...

Page 20: ... 25 C114 0 033 R122 33K C116 560P C118 47 25 R124 5 6K R120 3 9K R118 100K C120 0 0022 R126 3 9K C121 0 022 C122 3 3 50 R128 6 8K C124 270P R132 100 C126 22 50 C132 47 25 C130 0 0033 C128 0 022 R130 1 5K R134 10K C108 330P R114 1K C110 330P C107 330P R113 1K C109 330P IC101 AN7345K PLAYBACK AND RECORD PLAYBACK AMP C103 180P Q103 2SC1845 F R105 3 3K R103 2 2K Q101 2SC1845 F C102 560P C101 560P C136...

Page 21: ... 4 5 6 7 8 9 10 CNPK1 P30 6 C TO MIC PWB 10 kHz 100 kHz 9 kHz 50 kHz MUTING MUTING BIAS SWITCHING BIAS 0 0022 R126 3 9K 3 3 50 R128 6 8K C124 270P R132 100 C126 22 50 C132 47 25 C130 0 0033 C128 0 022 R130 1 5K R134 10K IC101 AN7345K 1 5K D RECORD K AMP C150 10 50 IC601 LC75341 PROCESSOR C623 1 50 C625 0 0056 R609 1 2K C621 1 50 C619 1 50 C617 1 50 C615 4 7 50 C613 1 50 C605 0 15 C611 0 0027 R607 ...

Page 22: ...02 KTC3199 GR D912 DS1SS133 C946 10 50 C945 10 50 C941 100 50 R945 0 22 2W R943 100 R935 1K R941 1K C937 15P C939 820P R939 56K R937 820 C935 4 7 50 R947 0 22 2W Q904 KTC3199 GR R956 56K R955 56K C952 0 047 ML R958 4 7 C953 0 047 ML R959 4 7 R988 R986 R981 R982 D914 DS1SS133 R949 0 1 1W C947 0 022 Q903 KTC3199 GR R951 1K R953 1 5K Q905 KTC3199 GR D911 DS1SS133 R931 100K C931 0 22 50 R933 56K C915 ...

Page 23: ...R984 47K F901 T4A L 250V F902 T4A L 250V C902 0 1 ML F904 T2A L 250V F903 T2A L 250V C908 100 50 D907 DS1N404S C909 100 50 D906 DS1N404S D908 DS1N404S R905 47K C911 47 50 R904 2 2K Q901 KTA1274 Y R906 10 C910 220 50 ZD901 DZ330BSB ZD903 DZ6 2BSA R977 47 R978 47 R907 12K C913 100 35 C912 47 50 C905 0 1 ML C906 0 1 ML CNS971 R971 68K D915 DS1SS133 C968 10 50 R972 15K R983 220K CNP902 CNS902 BI902 Q9...

Page 24: ...0 0047 R313 33K R381 10K X352 4 5 MHz C363 0 022 T351 AM IF C317 0 001 R311 100K L312 FM RF C332 0 022 C315 0 0047 C304 0 01 R314 22 C324 3 9P UJ D305 DS1SS133 R378 1K R327 33 CF303 VD302 SVC211C VD303 SVC211C T306 AM OSC C338 0 001 D301 DS1SS133 D302 DS1SS133 C361 0 022 C362 3 3 50 VD301 SVC348S R382 150 IC301 C397 0 022 C382 15P CH R323 68K R322 680 R375 470 C334 22P CH C335 560P C380 10 50 C323...

Page 25: ...F DET FM MPX AM IF R365 10K R387 5 6K C370 1 50 R393 1K R376 1K R355 3 3K R359 1 8K 4 1 C369 27P C374 0 015 ZD351 DZ5 1BSB C396 100 10 C395 0 022 R381 10K X352 4 5 MHz R363 12K C363 0 022 R391 270 Q360 KTA1266 GR R385 5 6K R392 270 C372 1 50 R364 12K T351 AM IF R361 15K C355 22P R388 3 9K C371 1 50 R362 15K R378 1K R386 22K C388 0 001 R356 1K C368 1 50 C398 100 10 C356 0 001 C357 2 2 50 C358 1 50 ...

Page 26: ... B B B B B B B B B B B B B B B B B B B 1 10 M TAPE MECHANISM PWB D 9 10 8 7 6 5 4 3 2 1 TAPE MOTOR PLAY F PLAY CASSETTE SOLENOID SOLENOID PH FFC702 CNS702 D701 DS1SS133 D705 DS1SS133 R770 10K R772 10K C706 47 50 R724 1K R726 2 2K R727 2 2K R728 2 2K R729 1K R732 1K R733 1K R734 1K LED701 R761 10K IC701 IX0427AW SYSTEM MICROCOMPU R572 100K C572 0 022 ZD561 DZ6 2BSB C573 0 022 C569 2 2 50 R578 100K ...

Page 27: ... 40 39 38 37 36 35 34 33 32 31 TIMER LED VDD AC RLY_CONT SPK _ DET SP _ RLY 50 49 48 47 46 45 5 4 3 2 PLAY SW_B CD CLAMP SW FPA N NO USE 3 2 1 CNP701 P21 12 D TO MAIN PWB FFC701 B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B RESET R725 1K R771 10K CNS701 RD07 3 9K RD06 2 7K RD05 2 2K RD04 1 5K RD03 1K RD30 5 6K RD16 3 9K SW717 VOLUME UP SW718 VOLUME DOWN SW719 REVERSE MODE R...

Page 28: ...JITTC RFMO TE TEC FE TIN2 TIN1 FIN2 FIN1 RSVS RFVD RF EFMI SLCI SLCO TR TR TR FO FO FO PD VR LD F C B A E VCC VREF 1 2 3 4 5 6 1 2 3 4 5 6 5 3 6 2 7 1 4 5 3 6 2 7 1 4 5 3 6 2 7 1 4 5 3 6 2 7 1 4 4 1 3 6 5 2 4 1 3 6 5 2 M M 4 8 5 2 1 7 3 6 4 8 5 2 1 7 3 6 4 8 5 2 1 7 3 6 4 8 5 2 1 7 3 6 2 LASER DRIVER CNP1 CNS1A CNS1B R6 33K R5 12K R4 12K R3 33K R1 12K R2 12K C1 47 25 C2 0 01 CNP2 CNS2A CNS2B C38 0...

Page 29: ...DD JITTC RFMON TE TEC FE TIN2 F TIN1 E FIN2 B FIN1 A RSVSS RFVDD RF EFMIN SLCIST SLCO 5V DGND L CH AGND R CH 6 3 5 4 2 6 1 3 5 4 2 6 1 3 5 4 2 6 1 9 8 7 6 2 4 5 3 1 5 4 3 2 1 3 1 2 CNS8 CNS601 CD LOADING MOTOR PWB E 2 Q2 CONSTANT VOLTAGE 10 R49 1 D2 DS1SS133 D1 DS1SS133 Q3 KRC102 M R45 470 R46 470 R20 10K R13 1K R14 1K R15 1K R16 1K R18 1K R17 1K C12 100P C11 0 22 50 C10 10 50 C9 0 10 0 P H R12 33...

Page 30: ...CK51 1 50 CK52 1 50 RK47 8 2K RK45 6 8K RK44 6 8K CK49 100P CK50 100P RK5 1K CNPK1 CK42 0 022 RK38 100 RK14 100 RK15 100 RK36 390 CK19 0 022 RK8 5 6K CK23 0 001 CK1 0 01 RK11 1K RK10 1K RK9 1K CK43 47 25 ZDK1 MTZJ5 6B RK12 100 RK13 1 2K QK1 KTC3203Y ICK1 M65856SP MIC AMP RK2 56K RK3 56K RK4 10K RK7 1K JK1 MIC CK9 2 2 50 CK8 4 7 50 CK13 0 0047 CK17 220 10 CK16 0 22 CK15 0 068 CK25 2 2 50 CK26 2 2 5...

Page 31: ... T2A L 250V F903 T2A L 250V F901 T4A L 250V F902 T4A L 250V R978 R977 D907 ZD903 ZD901 C913 R905 R907 R906 C912 Q901 C910 T F PT801 POWER TRANSFORMER AC POWER SUPPLY CORD AC 110 127 220 230 240 V 50 60 Hz POWER PWB A2 TRANSFORMER PWB A3 1 B C E 2 3 4 5 6 7 8 9 10 230 240 V 110 V 127 V LUG1 LUG2 220 V SW801 VOLTAGE SELECTOR 230 240 V 220 V 127 V 110 V All manuals and user guides at all guides com a...

Page 32: ...4 13 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 1 1 1 1 2 3 3 2 3 2 JK690 VIDEO AUX IN R CH L CH AM LOOP ANTENNA 1 2 SW601 SPAN SELECTOR 9 kHz 50 kHz 10 kHz 100 kHz SO302 FM ANTENNA TERMINAL FM 75 OHMS GND B C E B C E E B C E E C B 1 2 3 3 2 1 C B B B B C E C E 1 1 2 3 2 3 C E B C E E C B E C B B C E B C C395 R395 C388 C356 R355 C355 R363 R361 R364 R362 R604 R932 C932 R936 R942 R938 C936 R934 C938...

Page 33: ... 12 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 3 2 1 7 1 GY WH GY WH GY WH GY WH GY RD 10 9 8 7 6 5 4 3 2 1 CNP902 TO POWER PWB GY WH GY WH GY RD 1 2 3 4 5 6 GY WH GY WH GY RD P36 5 A TO CD SERVO PWB CNPK1 P30 5 G TO MIC PWB FROM TAPE 1 PLAYBACK HEAD P37 10 E RD GY WH GY WH GY WH GY GY WH 1 2 3 4 5 6 7 8 9 10 P31 9 H BR COLOR TABLE RD R OR YL...

Page 34: ...3 C569 Q706 SW715 X BASS Q708 D710 SW712 DISC SKIP C712 CNS702 FFC702 P37 9 A 1 E C B E C B E C B 3 5 7 2 4 6 8 9 10 10 9 8 7 6 5 4 3 2 1 1 DISPLAY PWB B1 TO TAPE MECHANISM PWB BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK WH GY WH GY WH GY WH GY RD R7 R7 R7 RD1 R778 R777 RD30 RD07 RD06 R569 R781 R782 R783 C715 R751 R750 R749 R748 ...

Page 35: ...32 TUNER SW721 TAPE RD03 RD28 RD19 SW726 PLAY SW725 FAST FORWARD SW729 REC PAUSE LED701 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12 14 16 18 20 22 24 25 27 29 31 26 28 30 32 1 32 SW727 STOP SW719 REVERSE MODE R760 R756 R759 R758 R774 R771 R732 RD13 RD02 RD25 RD01 R767 R766 R768 RD18 R731 R713 R716 R761 R733 R717 R741 R755 R753 R754 R752 C703 R701 IC701 100 81 80 95 90 85 75 70 65 60 55 51 50 45 4...

Page 36: ...22 CNP7 C24 L1 Q2 ZD2 C48 C18 XL1 CD SERVO PWB C CNS703 P34 1 C FROM DISPLAY PWB 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 CNS1B CNS1A CNS2B BL WH BL WH BL WH RD RD WH GY WH GY WH GY WH 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 3 4 1 2 5 6 7 1 7 1 8 PICKUP UNIT 306 CNS3B CNS3A RD WH GR WH GR WH CD MOTOR PWB G 1 2 3 4 5 6 1 2 3 4 5 6 M1 SPINDLE MOTOR SW4 PICKUP IN M2 SLED MOTOR 1 2 3 4 5 6 6 5 4 3 2 1 6 5 ...

Page 37: ...OR SW2 CLAMP SW1 OPEN CLOSE CNP101 P33 11 E TO MAIN PWB TAPE 1 PLAYBACK HEAD PK BK BK WH WH PK GR 2 3 1 TAPE MOTOR 1 1 2 3 2 4 5 6 7 9 8 10 1 10 CNS702 SOLENOID PH SW SW SW SW SOLENOID TAPE MECHANISM PWB F TAPE MECHANISM ASSEMBLY P34 4 H TO DISPLAY PWB FFC702 BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK P33 11 D TO MAIN PWB All ma...

Page 38: ... 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 40 39 38 42 41 37 36 35 34 33 32 31 PIN NO VOLTAGE IC2 0 8 V 1 0 V 0 75 V 2 46 V 4 43 V 2 42 V 2 43 V 2 46 V 2 46 V 2 45 V 2 47 V 2 46 V 2 46 V 2 47 V 2 47 V 2 47 V 2 47 V 2 47 V 2 47 V 0 6 V 2 46 V 0 V 4 85 V 0 59 V 2 47 V 2 47 V 2 47 V 2 47 V 2 47 V 2 43 V 2 47 V 2 47 V 2 43 V 2 47 V 2 45 V 2 47 V 2 46 V 0 V 0 V 0 V ...

Page 39: ...ic capacitor the expression capacitance withstand voltage is used 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 REF NO DESCRIPTION POSITION SW719 REVERSE MODE ON OFF SW720 CD ON OFF SW721 TAPE ON OFF SW722 TUNING DOWN ON OFF SW723 MEMORY SET ON OFF SW...

Page 40: ... div NORM 20 kS s 2 1 Record Length Smoothing ON CH1 0 000 V CH2 0 000 V Main 100 K Zoom 2 K Mode NORMAL Type EDGE CH2 Delay 2 924 ms Hold off 0 2 µs CH3 0 00 V CH4 0 00 V BW FULL Trigger Filter Offset 1 IC1 21 6 IC1 22 T T TE DRF Stopped CH1 10 V DC 10 1 CH2 1 V DC 10 1 100 ms div 100 ms div NORM 100 kS s 2 1 Record Length Smoothing ON CH1 0 0 V CH2 0 00 V Main 100 K Zoom 2 K Mode NORMAL Type EDG...

Page 41: ...l pickup is dirty this section may not operate Clean the objective lens and check the playback operation When this section does not operate even after the above step is taken check the following items Remove the cabinet and follow the trouble shooting instructions Track skipping and or no TOC Table Of Contents may be caused by build up of dust other foreign matter on the laser pickup lens Before a...

Page 42: ...ated Waveform drawing Figure 42 2 Pins 7 12 79 and 80 on IC1 Check the laser diode driver Q1 peripheral circuit When a disc is loaded start playback operation 2 Does DRF change from L to H Is the disc rotating 3 Is the HF waveform normal Waveform drawing Figure 42 3 Check the spin system If the disc is spinning and a HF waveform is generated DRF will go H Figure 42 1 Check the laser diode driver Q...

Page 43: ...ck the peripheral circuits at pins 14 15 and 20 on IC1 and CNS1A B If the waveform shown in Figure 43 1 appears and soon after NO DISC appears 2 Tracking system check Check the TE waveform at pin 15 on IC1 A normal jump operation cannot be completed or the beginning of the track cannot be found Check the around pin 20 on IC1 Initialization is possible but play is not possible Data cannot be read C...

Page 44: ...00 V CH4 0 00 V BW FULL Trigger Filter Offset CH1 v DIV 500 mV 1999 04 05 17 33 17 Is pin 52 C2F on IC1 L Yes No The HF waveform is normal and the time is displayed normally but no sound is produced Or the sound has dropouts 5 Others There are too many error flags on a damaged disc which makes error correction impossible Check again using a known good disc 1 When playing at normal speed Check the ...

Page 45: ...O terminal 5 27 SBCK CONT6 Input Output Input Mode General purpose I O terminal 6 or Subcode reading clock input terminal 28 SBCK FG Input Subcode reading clock input terminal FG signal input terminal external emphasis setting terminal Terminal functions are set by commands When not used connect to 0 V 29 DEFECT Output L Defect terminal 30 V P Output H Auto switching monitor output terminal for ro...

Page 46: ...st applied power on 67 DRF Output L Focus detection output port 68 VDD5 Input Power supply for Microprocessor 69 VSS GND for digital circuit Must be connected to 0 V 70 CONT3 Input Output Input General purpose port 1 71 CONT2 Input Output Input General purpose port 2 72 CONT1 Input Output Input General purpose port 3 73 PDO1 Output Internal VCO control phase comparator output port 1 74 PDO2 Output...

Page 47: ... LCHO LVDD LC78645E MIX LPF LPF LPF TBAL TBAL RAM LEVEL SET AGC EQ SW PH BH MONI CONT A D SERVO PROCESSOR TRACK JUMP AUTO ADJUST JITTER DETECT 1bit DAC 8FS DIGITAL FILTER GENERAL PURPOSE PORTS COMMAND INTERFACE CLOCK GENERATOR CLV CAV CONTROL PLL VCEC SLICE LEVEL CONTROL APC S H D A SW DRF RUPTURE DEFECT FRAME SYNC DETECT PROTECT INSERT EFN DECODE VDD SUBCODE DECODE CRC MONITOR SIGNAL SELECTOR RAM...

Page 48: ...DS DATA INPUT 27 ANI6 NO USE Input GND TUNER SM Input TUNER SIGNAL METER INPUT DSA_ACK Input Output DSA ACR 28 ANI5 SPEANA 2 Input SPEANA DATA INPUT 16 kHz 29 ANI4 SPEANA 1 Input SPEANA DATA INPUT 1 kHz 30 ANI3 SPEANA 0 Input SPEANA DATA INPUT 63 kHz 31 33 ANI2 ANI0 KEY 2 KEY 0 Input KEY INPUT 34 AVDD AVDD Input ANALOG VDD 35 AVREF AVREF Input ANALOG REF VOLTAGE 36 INTP3 P_IN Input POWER FAILURE D...

Page 49: ...PUT DSA STROBE 65 FIP34 NO USE Output GND RDS RDCL ESS_DI Output RDS CLOCK DSA DATA OUTPUT 66 FIP33 NO USE Input GND RDS READY ESS_DO Input RDS READY DSA DATA INPUT 67 P103 DIST3 Input DESTINATION INPUT FIP32 P22 Output FL DISPLAY DRIVER 68 P102 DIST2 Input DESTINATION INPUT FIP31 P21 Output FL DISPLAY DRIVER 69 P101 DIST1 Input DESTINATION INPUT FIP30 P20 Output FL DISPLAY DRIVER 70 P100 DIST0 In...

Page 50: ...L CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 R1N RTRE LTRE RBASS ROUT VREF VDD CLK DI CE VSS CCB INTERFACE CD Tuner Tape Video 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 LC75341 DI CE VSS LOUT LBASS LTRE LIN LSEL0 L4 L3 L2 L1 CLK VDD VREF ROUT RBASS RTRB RIN RSEL0 R4 R3 R2 R1 All manuals and user guides at all guides com ...

Page 51: ...or for digital delay 17 LPF1 OUT Output Low pass filter 1 output Pre filter before A D convertor for digital delay 18 AD INTOUT Output A D integrator output Composes D A conversion integrator with external capacitor 19 AD INTIN Input A D integrator input Composes D A conversion integrator with external capacitor 20 ADCONT A D control To determine adaptive time constant of A D convertor with ADM sy...

Page 52: ...Phase shift input 2 Determines a constant at time of phase shift 40 LATCH Input Latch input via serial bus 41 CLOCK Input Clock input via serial bus 42 DATA Input Data input via serial bus 42 DATA 41 CLOCK 40 LATCH 39 PS2 38 PS1 37 VCFIL 36 LOUT 35 ROUT 34 SOURCEOUT 33 KEYCONIN 32 RIN 31 LIN 30 VOLIN 29 LPF2OUT 28 LPF2IN2 27 LPF2IN1 26 DAINTOUT 25 DAINTIN 24 DACONT 23 VCC 22 1 2 3 4 5 6 7 8 9 10 1...

Page 53: ...13 B14 B15 B16 B17 B18 B19 B20 B21 9G S1 B1 B2 B3 B4 B5 B6 B7 8G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 7G Dp d c n p r e m g col b k j h f a S2 S3 S4 S5 6G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 5G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 4G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 3G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 2G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 1G Dp d c n ...

Page 54: ...CD BK250W CD BK2600W CD BK270W 54 MEMO All manuals and user guides at all guides com ...

Page 55: ...hout lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Carbon film type VRN Metal film type VR MF Cylindrical type without lead wire VR MN Cylindrical type without lead wire VR TV Square type without lead wire VR TQ Square type with...

Page 56: ...BSB 1 J AC Zener 5 1V DZ5 1BSB ZD561 VHEDZ6R2BSB 1 J AC Zener 6 2V DZ6 2BSB ZD901 VHEDZ330BSD 1 J AC Zener 33V DZ33BSB ZD902 VHEDZ110BSB 1 J AB Zener 11V DZ11BSB ZD903 VHEDZ6R2BSA 1 J AB Zener 6 2V DZ6 2BSA ZD904 VHEDZ130BSB 1 J AB Zener 13V DZ13BSB ZD905 VHEDZ2R4BSB 1 J AB Zener 2 4V DZ2 4BSB ZDK1 VHEMTZJ5R6B 1 J AD Zener 5 6V MTZJ5 6B FILTERS BF301 RFILR0008AWZZ J AE Band Pass Filter CF303 RFILF...

Page 57: ...0 µF 10V Electrolytic C399 VCTYMN1EF223Z J AA 0 022 µF 25V C561 VCKYPA1HB271K J AA 270 pF 50V C562 VCKYMN1HB271K J AA 270 pF 50V C563 VCEAZA1HW225M J AB 2 2 µF 50V Electrolytic C564 565 VCTYMN1CX272K J AA 0 0027 µF 16V C566 VCEAZA1HW225M J AB 2 2 µF 50V Electrolytic C567 568 VCTYMN1CX682K J AA 0 0068 µF 16V C569 VCEAZA1HW225M J AB 2 2 µF 50V Electrolytic C570 572 VCTYMN1EF223Z J AA 0 022 µF 25V C5...

Page 58: ...2J J AA 4 7 kohms 1 6W R142 VRD ST2CD820J J AA 82 ohms 1 6W R143 VRD MN2BD473J J AA 47 kohms 1 8W R144 VRD MN2BD223J J AA 22 kohms 1 8W R145 VRD ST2CD4R7J J AA 4 7 ohms 1 6W R146 147 VRD MN2BD103J J AA 10 kohm 1 8W R148 VRD MN2BD472J J AA 4 7 kohms 1 8W R149 VRD ST2EE151J J AA 150 ohms 1 4W R158 VRD ST2EE221J J AA 220 ohms 1 4W R302 VRD MN2BD100J J AA 10 ohm 1 8W R309 VRD ST2CD103J J AA 10 kohm 1 ...

Page 59: ...ms 1 6W RD09 VRD MN2BD103J J AA 10 kohm 1 8W RD10 VRD MN2BD183J J AA 18 kohms 1 8W RD11 VRD MN2BD333J J AA 33 kohms 1 8W RD12 VRD MN2BD104J J AA 100 kohm 1 8W RD13 VRD MN2BD681J J AA 680 ohms 1 8W RD14 VRD MN2BD821J J AA 820 ohms 1 8W RD15 VRD ST2CD182J J AA 1 8 kohms 1 6W RD16 VRD ST2CD392J J AA 3 9 kohms 1 6W RD17 VRD MN2BD184J J AA 180 kohms 1 8W RD18 VRD MN2BD681J J AA 680 ohms 1 8W RD19 VRD S...

Page 60: ...D BK250W CD BK270W 201 4 GCOVA1349AWSB J AH Cover Cassette Tape 1 For CD BK2600W 201 5 GCOVA1388AWSA J Cover Cassette Tape 2 For CD BK250W CD BK270W 201 5 GCOVA1388AWSB J Cover Cassette Tape 2 For CD BK2600W 201 6 HDECQ0686AWSA J AE Panel Cassette Tape 1 201 7 HDECQ0687AWSA J AE Panel Cassette Tape 2 201 8 HDECQ0748AWSA J Panel Amp For CD BK250W 201 8 HDECQ0749AWSA J Panel Amp For CD BK2600W 201 8...

Page 61: ...4 92LSC0308MBZI J AB Screw ø3 8mm 615 92LSC0308RBZI J AB Screw ø3 8mm 616 XHBSD40P08000 J AA Screw ø4 8mm ACCESSORIES PACKING PARTS QANTL0008AWZZ J AH AM Loop Antenna 1 QPLGA0003AWZZ J AF Adaptor AC Plug 1 QPLGA0004AWZZ J AF Adaptor AC Plug SPAKA0300AWZZ J AM Packing Add SPAKC1145AWZZ J Packing Case CD BK250W Except for Australia New Zealand SPAKC1237AWZZ J Packing Case CD BK250W for Australia New...

Page 62: ...1045AWSF J Net Frame Ass y For CP BK250 CP BK270 902 CWAKP1045AWSE J Net Frame Ass y For CP BK2600 903 HPNLS1020AWSA J AW Front Panel For CP BK250 CP BK270 903 HPNLS1020AWSB J AW Front Panel For CP BK2600 904 LHLDZ8001AWSA J AD Catching Holder For CP BK250 CP BK270 904 LHLDZ8001AWSB J AD Catching Holder For CP BK2600 905 PCUSS0048AWZZ J Port Cushion 906 PCUSG0022AWZZ J AB Foot Cushion 907 TSPC 083...

Page 63: ...W A B C D E F G H 1 2 3 4 5 6 Figure 8 CD MECHANISM EXPLODED VIEW 8 CD BK250W CD BK2600W CD BK270W 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB F 306 2 306 3 306 704 All manuals and user guides at all guides com ...

Page 64: ...TION 207 610x13 CD BK270W ONLY 610x2 610x2 610 610 215 212 262 222 610 610 259 M901 PWB D 226 223 211 258 258 1 258 11 605x2 611x2 602x3 IC904 IC902 IC903 IC901 608x5 Silicon Grease 220 PWB B1 606x12 201 10 201 9 201 14 214 FL701 201 201 11 201 15 201 16 201 25 608 201 24 201 21 201 22 201 13 201 19 201 20 219x2 201 3 201 18 230 613x2 201 7 201 5 201 2 201 17 201 4 201 6 201 12 201 8 PWB B2 201 16...

Page 65: ... 10 CD MECHANISM 204 250 228 229 236 254 252 232 232 232x4 PWB C 232 225 M3 SW3 PWB E 607x2 607x2 SW2 SW1 247 253 235 251 256 615 206 238 257 241 246 248 245 244 243x4 242 239 249 255 234 231 240 237 614 227 233 260 261 CD BK250W CD BK2600W CD BK270W All manuals and user guides at all guides com ...

Page 66: ... 909x2 905x2 SP3 4 SP1 2 C1 2 Capacitor 2 2µF 100V N P C1 2 Capacitor 2 2µF 100V Electrolytic N P SP3 4 TWEETER SP1 2 WOOFER BK BK RD RD SP1 2 WOOFER SP3 4 TWEETER Figure 11 SPEAKER EXPLODED VIEW 1 2 11 CP BK250 CP BK2600 CP BK270 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 67: ...0W CD BK2600W CD BK270W 12 A B C D E F G H 1 2 3 4 5 6 Figure 12 SPEAKER EXPLODED VIEW 2 2 GBOXS0070AWM1 CD BK270W ONLY 904 x 6 SP1 2 901 902 903 SP1 2 SP1 2 BK GR All manuals and user guides at all guides com ...

Page 68: ...eval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0105 1575DS HA M SA SZ EX Printed in Japan SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima Hiroshima 739 0192 Japan All manuals and user guides at all guides com ...

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