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25, Sharp GX-CD1200W BK – 25 – GX-CD1200W IC802 VHiTC9457F0-1: Servo/Signal Control (TC9457F0) (2/4) 30 (S12)P4-1 PUSEL2 Input 3-bit CMOS I/O ports. 31* (SO/S11/ NC Input/Output These ports can be set for input or output bit for bit by a program. SDA)P4-2 These pins serve dual purposes as inp…
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4, GX-CD1200W – 4 – DISASSEMBLY Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take cassette tape out of the unit. 2. Be sure to remove the power s…
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24, – 24 – GX-CD1200W IC802 VHiTC9457F0-1: Servo/Signal Control (TC9457F0) (1/4) 1* (OT5)S1 SEG1 Output Segment signal output to the LCD panel. 2 (OT6)S2 SEG2 Output Up to 72 segments in a matrix with COM1 to COM4 can be displayed. 3 (OT7)S3 SEG3 Output All of the S1 to …
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21, Sharp GX-CD1200W BK – 21 – GX-CD1200W • Laser failure. Yes No Check the laser come on when pattern cut between pin 8 (SEL) of IC801 and pin 74 (SEL) of IC802. Yes No Check the peripheral parts of IC801 and Q801. If it is normal, the optical pickup is faulty. Check BI801/CNS801. …
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32, Sharp GX-CD1200W BK PRICE RANK DESCRIPTIONNO. PARTS CODE NO. PARTS CODE PRICE RANK DESCRIPTION GX-CD1200W R305 VRD-ST2EE273J J AA 27 kohms,1/4W R306 VRD-ST2EE470J J AA 47 ohms,1/4W R351,352 VRD-ST2CD473J J AA 47 kohms,1/6W R353,354 VRD-ST2CD273J J AA 27 kohms,1/6W R401,402 VRD-ST2CD104J J…
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23, – 23 – GX-CD1200W • Sled motor operation failure. Yes Yes Is following sled feed signal output the pin 71 (FMO) of IC802 when FF/REW key is pressed after the CD TEST MODE is sated? Is sled feed signal output the pins 10 and 11 of IC803? Is sled feed voltage …
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16, GX-CD1200W – 16 – A B C D E F G H 1 2 34 5 6 Figure 16 WIRING SIDE OF P.W.BOARD (3/4) C654 C653 D651 C652 C651 BATTERYS DC15V ["D" SIZE (UM / SUM-1, R20 or HP2) battery x 10] TERMINAL A PWB-A5 TERMINAL B PWB-A6 POWER PWB-A7 1 2 CNP601 CNS601 WH WH…
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27, Sharp GX-CD1200W BK – 27 – GX-CD1200W IC802 VHiTC9457F0-1: Servo/Signal Control (TC9457F0) (4/4) 91 /HOLD HOLD Input This pin is used to input a signal that requests or clears the hold mode. Normally, use this pin for CD mode select signal input or battery detection signal input. There are two…
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31, Sharp GX-CD1200W BK NO. PRICE RANK DESCRIPTIONPARTS CODE NO. PARTS CODE PRICE RANK DESCRIPTION GX-CD1200W C203,204 RC-GZA105AF1H J AB 1 µF,50V,Electrolytic C205,206 VCQYKA1HM103K J AA 0.01 µF,50V,Mylar C207,208 VCKYPA1HB471K J AA 470 pF,50V C209,210 VCQYKA1HM823K J AC 0.082 µF,50V,Myl…
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11, GX-CD1200W – 11 – Figure 11 SCHEMATIC DIAGRAM (2/4) 78 9101112 1 2 3 4 5 6 7 8 9 4 3 2 1 9 7 5 3 1 9 8 7 6 5 4 3 2 1 + 14 13 12 11 10 9 8 7 6 5 4 3 2 1 8 7 6 5 1 2 LED501,502 POWER DIRECTION SURRUND STEREO AC220V-240V AC110V-127V IN OUT A B O…
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33, NO. PRICE RANK DESCRIPTIONPARTS CODE NO. PARTS CODE PRICE RANK DESCRIPTION GX-CD1200W 209 HDECQ0008BGSA J AD Panel,Cassette Holder [Tape 2] 210 HDECZ0001BGSA J AC Panel,Dial Pointer 211 HSSND0001BGSA J AC Dial Pointer 212 JKNBQ0001BGSC J Knob,Tuning 213 LANGT00…
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22, – 22 – GX-CD1200W • Focus servo sawtooth wave failure. Is +8.1V applied to the pins 1 and 30 (VCC) of IC803 ? Is sawtooh wave output to the pin 66 (FOO) of IC802 ? IC802 is faulty. No Yes Yes Is sawtooth wave obtained between pins 20 and 21 of IC803 ? No Check the PWB p…
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19, – 19 – GX-CD1200W WAVEFORMS OF CD CIRCUIT NO DISC FOCUS SEARCH STOP PLAY FOO 1 TMAX 1 FO+ 2 SBOK 2 FO- 3 DMO 3 FOCUS SEARCH TOC IL STOP PLAY SEL 1 TEI 1 FEI 2 TRO 2 TEI 3 FMO 3 STOP PLAY CUE FEI 1 TEI 1 SBAD 2 TRO 2 RFO 3 FMO 3 STOP PLAY REVIEW FEI …
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14, Sharp GX-CD1200W BK GX-CD1200W – 14 – A B C D E F G H 1 2 34 5 6 Figure 14 WIRING SIDE OF P.W.BOARD (1/4) C260 R252 C254 R251 C253 C257 R253 R255 C251 R518 C259 R259 R519 R257 IC202 C255 R201 R204 R202 R206 C203 C204 C202 C221 C222 C205 C201 R200 VR205 C206 C209 VR204 C214 R…
