Sony compact disc player cdp-cx270, cdp-cx90es operating instructions (32 pages)
Summary of Contents for Sony CDP-CX300
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CDP-CX300/CX350/CX691 SERVICE MANUAL US Model CDP-CX300/CX350/CX691 Canadian Model CDP-CX300/CX350 AEP Model UK Model Australian Model CDP-CX350 Photo; CDP-CX350 Model Name Using Similar Mechanism CD Mechanism Type CDM54-KIBD35E Base Unit Type KSM-213BFN/M-NP Optical Pick-up Type KSS-213BFN SPECIFICATIONS COMPACT DISC PLAYER MICROFILM...
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DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE 4-215-964-7π CX691 : US FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS • Abbreviation QUE PAR DES PIÈCES SONY DONT LES NUMÉROS CND : Canadian model SONT DONNÉS DANS CE MANUEL OU DANS LES AUS : Australian model SUPPLÉMENTS PUBLIÉS PAR SONY.
SECTION 1 SERVICING NOTE TABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT 1. SERVICING NOTE ............3 The laser diode in the optical pick-up block may suffer electrostatic 2. GENERAL ................6 break-down because of the potential difference generated by the charged electrostatic load, etc.
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CD-TEXT TEST DISC This unit is able to display the TEXT data (character information) written in the CD on its fluorescent indicator tube. The CD-TEXT TEST DISC (TGCS-313:J-2501-126-A) is used for checking the display. To check, perform the following procedure. Checking Method: 1.
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Table 2: CD-TEXT TEST DISC Recorded Contents and Display (In this unit, some special characters cannot be displayed. This is no a fault.) TRACK Display Recorded contents N All the same ! ” # $ % & ´ (21h to 27h)1kHz 0dB L&R N All the same + , –...
SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. FRONT PANEL ASSEMBLY 6 Flat tayp wire(CN701) 4 Remove the claw 3 Two screw (BVTP 3x8) 1 Two screws (BVTP 3x8) 5 Remove the claw 7 Front panel assembly 2 Three screws (BVTP 3x8) 3-2.
SECTION 4 SERVICE MODE SPECIAL FUNCTION This unit is provided with several service modes. Details are shown in the following table. Mode name Power supply state Button operation Remarks ALL ERASE CLEAR + Note 1 AGING MODE GROUP 1 + OPEN/CLOSE + +100 §...
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Special Aging Mode Functions Aging Procedure 1. Turn ON the power of the unit. Press the § OPEN/CLOSE and The aging mode is provided with the following convenient func- tions open the front cover. • Disc setting mode (*1) 2. Change the COMMAND MODE switch (S901) on set to CD1 . •...
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LOADING AGING MODE TABLE ROTATION MODE • This mode is used for repeating loading operations continuously. • This mode is used for electrical adjustments. Refer to the section • Aging will be performed continuously unless an error occurs. on Electrical Adjustments. •...
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MECHANISM ADJUSTMENT MODE • This mode is used for mechanism adjustments. Refer to the sec- tion on Mechanism Adjustments. SHIPMENT MODE • This mode is used for setting the unit to the shipment state. Do not execute it without a proper reason as it erases the memory of the title memo recorded by the customer.
SECTION 5 TEST MODE 5-1. ADJ MODE 5-2. KEY AND DISPLAY CHECK MODE 1. Turn ON the power of the unit, set disc to disc table, and per- To set this mode, connect the test point (AFADJ) on the MAIN form chucking.
SECTION 6 ADJUSTMENTS 6-1. MECHANICAL ADJUSTMENTS Pop Up Mechanism Adjustment GROUP1 1. With the power ON, while pressing the GROUP 4 and · GROUP2 buttons, press the +100 button to enter the mechanism adjust- GROUP4 ment mode. 2. Press the GROUP 1 button to operate the loading mechanism, and continue pressing until the disc table locks.
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Sensor Adjustment 1. With the power ON, while pressing the GROUP 4 and · GROUP1 buttons, press the +100 button to enter the mechanism adjust- PAUSE button ment mode. GROUP4 2. Press the GROUP 1 button to operate the loading mechanism, PLAY button and continue pressing until the disc table locks.
6-2. ELECTRICAL ADJUSTMENT Note: A clear RF signal waveform means that the shape “ ” can be clearly distinguished at the center of the waveform. Note: RF signal waveform 1. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given. VOLT/DIV : 200mV TIME/DIV : 500ns 2.
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Disc Sensor Adjustment 5. Rotate the DISC/CHARACTER knob in the counterclockwise Be sure to perform this adjustment after sensor adjustment in ME- direction and the disc table starts to rotate in the same direction. CHANICAL ADJUSTMENT. Check that the waveform at this time is the same as that in step 4.
SECTION 7 DIAGRAMS 7-1. CIRCUIT BOARDS LOCATION JACK board LED board T . SENS board MAIN board D . SENS (OUT) board DISPLAY board KEY board POWER board D . SENS (IN) board D . SW board D . MOTOR board JOG board BD board SW board...
CDP-CX300/CX350/CX691 – MAIN SECTION – FL701 D940 D942 –30V REG RECTIFIER J903 Q940 MUTE 2ND CD IN IC910 Q324 L901 5V REG IC401 RECT LINE AC IN IC302(1/2) IC302(2/2) D910-913 FILTER –VCC MIX AMP IC920 LOUT MUTE Q321 7V REG...
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CDP-CX300/CX350/CX691 WAVEFORMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) 3.1Vp-p For schematic diagrams. 16.9MHz Note: IC101 ^¶ XTAI • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
CDP-CX300/CX350/CX691 7-3. SCHEMATIC DIAGRAM – BD SECTION – • See page 26 for Waveforms. • See page 53, 54 for IC Block Diagrams. • See page 56 for IC Pin Functions. (Page 36) – 27 – – 28 –...
CDP-CX300/CX350/CX691 7-6. SCHEMATIC DIAGRAM – MAIN (1/2) SECTION – • See page 26 for Waveforms. • See page 58 for IC Pin Functions. • See page 54, 55 for IC Block Diagrams. (Page 51) (Page 51) (Page 51) (Page 51)
CDP-CX300/CX350/CX691 7-7. SCHEMATIC DIAGRAM – MAIN (2/2) SECTION – • See page 20 for Waveforms. • See page 58 for IC Pin Functions. • See page 54, 55 for IC Block Diagrams. (Page 27) (Page 47) (Page 47) (Page 49) (Page 49) –...
7-23. IC PIN FUNCTIONS • IC101 DIGITAL SIGNAL PROCESSOR (CXD2587Q) (BD board) Pin Name Function Pin No. SQSO Sub-Q 80-bit and PCM peak level data output (CD text data output) SQCK Clock input for SQSO read-out XRST System reset “L” : reset SYSM Muting input “H”...
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Pin No. Pin Name Function Tracking error signal input Center servo analog input RFDC RF signal input Test pin (Not used) ADIO – Analog ground AVSS0 Stabilized current input for operational amplifiers IGEN – Analog power supply AVDD0 EFM full swing output ASYO Asymmetry comparate voltage input ASYI...
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• IC501 SYSTEM CONTROL (MN101C12G-SA) (MAIN board) Pin Name Function Pin No. — Ground DOOR SW Door panel SW (5V: OPEN) FILTER SW D-F mode change SW KEY1 KEY2 KEY3 Key A/D input KEY4 KEY5 D.SENS — Disc sensor input VREF —...
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Pin Name Function Pin No. LED1 interior illumination SELECT CX691 select port (H: CX691 L: Other) Table sensor input SELECT J select port (H: J L: Other) SELECT ES select port (H: ES L: HiFi) (Fix at L) SELECT 2WAY select port (H: 2WAY L: ONE WAY) 2WAY-LT U-COM chip enable output CX5/CX6...
SECTION 8 EXPLODED VIEWS NOTE: The components identified by • The mechanical parts with no reference number in • -XX, -X mean standardized parts, so they may have mark ! or dotted line with mark the exploded views are not supplied. some difference from the original one.
8-7. OPTICAL PICK-UP SECTION (KSM-213BFN/M-NP) not supplied M102 M101 Les composants identifiés par une The components identified by marque ! sont critiques pour la mark ! or dotted line with mark ! are critical for safety. sécurité. Replace only with part number Ne les remplacer que par une specified.
SECTION 9 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in the parts list • SEMICONDUCTORS The components identified by In each case, u: µ , for example: may be different from the parts specified in the mark ! or dotted line with mark uA...: µ...
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D. MOTOR D. SENS (IN) D. SENS (OUT) D. SW DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R138 1-216-295-91 SHORT < SWITCH > R143 1-216-103-00 METAL CHIP 180K 1/10W R144 1-216-103-00 METAL CHIP 180K 1/10W SW83 1-571-300-21 SWITCH, ROTARY...