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3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model E Model Australian Model Chinese Model Tourist Model HTC-W555 is the deck and CD section in MHC-W555/W777. Model Name Using Similar Mechanism HCD-H991AV CD Mechanism Type CDM38-5BD29A SECTION Base Unit Type...
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WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. u163 – 2 – http://www.xiaoyu163.com...
http://www.xiaoyu163.com SECTION 1 3 7 63 1515 0 SERVICING NOTE HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF 1 Remove the Case. 3 Pull-out the disc tray. Turn the cam to the direction of arrow. L 13942296513 Note for Installation (ROTARY ENCODER) Note:When attaching the Base unit, Insert the BU cam...
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http://www.xiaoyu163.com 3 7 63 1515 0 Connection and Operations of the Unit by Itself This unit cannot be operated by itself as it does not come with a power supply. Connect STR-W555/W777 as shown in “Connection 1” before beginning servicing. Connection 1: If there is STR-W555/W777.
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http://www.xiaoyu163.com 3 7 63 1515 0 Cold Reset NOTE: This is the mode for operating the unit by itself. Take note that the operating method differs when connected to the STR-W555/ W777. This method is described in the manuals of the STR-W555 and STR-W777. Refer to these manuals for details. This mode is used for initializing the RAM contents.
http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 3-1. LOADING PANEL 3 Loading panel (Remove two claws) Two claws 2 Pull-out the disc tray. 1 Turn the cam to the direction of arrow.
http://www.xiaoyu163.com 3 7 63 1515 0 3-5. DISC TRAY Note: When installing the Disc tray, pull around the flat type wire to pass through the claw A and claw B, as shown in the figure. 3 Flat type wire (8 core) 4 Two claws 2 Pull-out the disc tray.
http://www.xiaoyu163.com SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS 3 7 63 1515 0 ELECTRICAL ADJUSTMENTS Precaution Read before adjustments 1. Clean the following parts with a denatured alcohol-moistened To adjust the unit, operate the unit by itself using the conduction jig swab: (PFJ-1).
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http://www.xiaoyu163.com 3 7 63 1515 0 2. Turn the adjustment screw and check output peaks. If the peaks Tape Speed Adjustment (Deck B) do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1 dB of peak. Note: Set the test mode using the following method and begin tape speed adjustment.
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http://www.xiaoyu163.com 3 7 63 1515 0 Record Bias Adjustment (Deck B) Record Level Adjustment (Deck B) Procedure: Procedure: 1. Press the p (CD) button while pressing the DIRECTION 1. Press the p (CD) button while pressing the DIRECTION MODE button. MODE button.
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http://www.xiaoyu163.com 3 7 63 1515 0 CD SECTION E-F Balance (1 Track Jump) check oscilloscope Note: BD board 1. CD Block is basically constructed to operate without adjustment. Therefore, check each item in order given. TP (TEO) 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. TP (VC) 3.
HTC-W555 3 7 6 3 1 5 1 5 0 – DECK SECTION – PB A/B S1008 S1004 MS OUT A CrO B CrO RV311 28 27 PLAYBACK IC611 A 120/70 LEVEL PB-A/B B 120/70 DECK A A IN...
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http://www.xiaoyu163.com 3 7 63 1515 0 WAVEFORMS THIS NOTE IS COMMON FOR PRINTED WIR- ING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed 1.3Vp-p in each block.) For schematic diagrams. 500mV/DIV, 500nsec/DIV Note: IC101 #£ RFO •...
HTC-W555 3 7 6 3 1 5 1 5 0 6-4. SCHEMATIC DIAGRAM – CD SECTION – • See page 23 for Waveforms. • See page 49 for IC Block Diagrams. • See page 52 for IC Pin Functions.
http://www.xiaoyu163.com 3 7 63 1515 0 6-16. IC BLOCK DIAGRAMS • CD section IC101 CXA1992AR – RF SUMMING PD2 IV PD1 IV FE_BIAS SENS2 ↓ – SENS1 LASER POWER CONTROL F IV AMP FE AMP C. OUT – E IV AMP –...
http://www.xiaoyu163.com 3 7 63 1515 0 6-17. IC PIN FUNCTIONS • IC101 FOCUS/TRACKING/SLED SERVO RF AMP (CXA1992AR) Function Pin No. Pin Name Focus error amplifier output Connected internally to the window comparator input for bias adjustment Focus error input Capacitor connection pin for defect time constant FDFCT Ground this pin through a capacitor for cutting the focus servo high-frequency gain External time constant setting pin for boosting the focus servo low-frequency...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. RF summing amplifier inverted input The RF amplifier gain is determined by the resistance connected between this pin and RF M RFO pin External time constant setting pin during RF level control RFTC APC amplifier output APC amplifier input...
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http://www.xiaoyu163.com 3 7 63 1515 0 • IC103 DIGITAL SIGNAL PROCESSOR (CXD2519Q) Pin Name Function Pin No. – +5V power supply – Ground Lch “L” detection flog (Not used) LMUT Rch “L” detection flog (Not used) RMUT Test output (Not used) ACDT Master clock divider output (Not used) CKOUT...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. Analog ground AVSS – CLTV Control voltage input for VCO Analog power supply AVDD – EFM signal input Asymmetry circuit constant current input BIAS Asymmetry comparate voltage input ASYI EFM full swing output (“L”...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. — – Not used AVSS Analog ground – AVDD Analog power supply – AOUT1 Lch analog output AIN1 Lch opamp input LOUT1 Lch line output AVSS Analog ground – XVDD Master clock power supply –...
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http://www.xiaoyu163.com 3 7 63 1515 0 • IC101 MASTER CONTROL (uPD780016AYGF-013-3BA) Pin No. Pin Name Function CAPM-EMG (+) Capstan motor control 1 (+) signal output 2 to 7 LED1 to LED6 Not used – Ground X’tal (5MHz) – Power supply (+5V) Not used –...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. TBL-L Table motor control output TBL-R Not used LOAD-OUT Loading motor control signal output LOAD-IN CD-PAUSE LED IN/OFF control output DECO2 LED IN/OFF control output CD-PLAY LED IN/OFF control output EXIST3 LED IN/OFF control output EXIST1...
http://www.xiaoyu163.com SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: The components identified by • Items marked “*” are not stocked since they are mark ! or dotted line with mark seldom required for routine service. Some delay ! are critical for safety. should be anticipated when ordering these items.
http://www.xiaoyu163.com 3 7 63 1515 0 7-5. BASE UNIT SECTION (BU-5BD29A) M101 L 13942296513 M102 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref.
http://www.xiaoyu163.com 3 7 63 1515 0 7-6. TC MECHANISM SECTION 1 (TCM230AWR1) * NOTE: Two types of parts which are not interchangeable are available for the Head deck (A) ASSY and Head deck (B) ASSY. When replacing the parts, refer to the following figure, and use the appropriate part Parts with “P”...
http://www.xiaoyu163.com 3 7 63 1515 0 7-7. TC MECHANISM SECTION 2 (TCM230AWR1) * NOTE: Two types of parts which are not interchangeable are available for the mechanical block assembly. When replacing the parts, refer to the following figure, and use the appropriate part. Parts with “P”...
http://www.xiaoyu163.com SECTION 8 AUDIO ELECTRICAL PARTS LIST 3 7 63 1515 0 Note: • CAPACITORS • Due to standardization, replacements in the parts list The components identified by uF : µ F may be different from the parts specified in the mark ! or dotted line with mark •...
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http://www.xiaoyu163.com AUDIO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R601 1-249-409-11 CARBON 1/4W F C130 1-164-336-11 CERAMIC CHIP 0.33uF R602 1-249-409-11 CARBON 1/4W F C131 1-164-346-11 CERAMIC CHIP R608 1-249-409-11 CARBON 1/4W F R609 1-249-433-11 CARBON...
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http://www.xiaoyu163.com CD (P) 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R104 1-216-093-00 METAL CHIP 1/10W R190 1-216-097-91 RES, CHIP 100K 1/10W R105 1-216-088-00 METAL CHIP 1/10W R191 1-216-105-91 RES, CHIP 220K 1/10W R106...
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http://www.xiaoyu163.com CD (P) CONNECTOR LEAF SW MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > R1002 1-249-409-11 CARBON 1/4W F R1003 1-249-414-11 CARBON 1/4W F S270 1-762-751-11 SWITCH, TACTILE (fl) R1004 1-247-834-11 CARBON 1.3K...
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