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HCD-VX880AV 3 7 63 1515 0 SERVICE MANUAL Chinese Model HCD-VX880AV is the Amplifier, Video CD player, Tape Deck and Tuner section in MHC-VX880AV. Model Name Using Similar Mechanism NEW Mechanism Type CDM38LH-26BD36L SECTION Base Unit Type BU-26BD36L Optical Pick-up Type...
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COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE 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. http://www.xiaoyu163.com...
http://www.xiaoyu163.com SECTION 1 3 7 63 1515 0 SERVICING NOTES HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF 1 Remove the Case. 2 Turn the cam to the direction of arrow. 3 Pull-out the disc tray. 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 SELF-DIAGNOSIS NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK This unit is equipped with a self-diagnosis function. OR BASE UNIT The function is used for diagnosing the conditions of the circuits of the VIDEO board. The laser diode in the optical pick-up block may suffer electrostatic The circuits can be determined if normal or abnormal by the light- break-down because of the potential difference generated by the...
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http://www.xiaoyu163.com 3 7 63 1515 0 MC Cold Reset • The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press three buttons p , ENTER/NEXT , and 1/u simultaneously. 2.
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http://www.xiaoyu163.com 3 7 63 1515 0 AMS Test Mode • This mode is used for checking the AMS operations of the tape deck. 7-819-039-12 Alignment tape, AMS-110A Procedure: 1. Press the 1/u button to turn the unit ON. 2. Set the tape (AMS-110A). 3.
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http://www.xiaoyu163.com 3 7 63 1515 0 Aging Mode • The sequence during the aging mode is following as below. This mode can be used for operation check of tape deck section. • If an error occurred, stop display that step. •...
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http://www.xiaoyu163.com 3 7 63 1515 0 VIDEO CD COLOR-BARS MODE On this mode, the data of the color-bars signal as a picture signal and the 1kHz sine wave signal as a sound signal are output by the mechanism control microcomputer (IC505) for video CD signal check. When measurement of the voltage and waveform on the VIDEO board, perform it in this mode.
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 Claws 3 Loading panel assembly 1 Turn the cam to the direction of arrow. 2 Pull-out the disc tray. L 13942296513 3-2.
http://www.xiaoyu163.com 3 7 63 1515 0 3-5. DISC TRAY (Perform after removing the front panel.) 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 DECK SECTION 0 dB=0.775V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head damagnetizer. record/playback heads pinch rollers 2.
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http://www.xiaoyu163.com 3 7 63 1515 0 3. Mode: Playback Tape Speed Adjustment (Deck B) test tape Note: Set the test mode using the following method and begin tape P-4-A100 speed adjustment. (10kHz, –10dB) oscilloscope In the test mode, the speed will switch to double speed or MD OUT normal speed each time the HI DUB button is pressed.
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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: INTRODUCTION INTRODUCTION When set to the test mode performed in Tape Speed Adjust- When set to the test mode performed in Tape Speed Adjust- ment, when the tape is rewound after recording, the “REC memory ment, when the tape is rewound after recording, the “REC memory mode”...
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http://www.xiaoyu163.com 3 7 63 1515 0 Note: Clear RF signal waveform means that the shape “◊” can be CD SECTION clearly distinguished at the center of the waveform. Note: RF signal waveform 1. CD Block is basically constructed to operate without adjustment. Therefore, check each item in order given.
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http://www.xiaoyu163.com 3 7 63 1515 0 Adjustment Location : [BD BOARD] (SIDE B) TP (RF) TP (VC) IC103 (AGCCON) TP (FE) TP (TE) TP (FE) IC102 IC101 VIDEO SECTION Frequency adjustment frequency counter 1. Connect the frequency counter to check point (27MHz) of the L 13942296513 VIDEO board VIDEO board.
http://www.xiaoyu163.com SECTION 6 3 7 63 1515 0 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION 5V power board VIDEO board CD SW board TUNER unit PANEL board TRANS board MAIN board TUNER unit is supplied as the assembled block. L 13942296513 MOTOR (TURN) board CONNECTOR board BD board SENSOR board...
HCD-VX880AV 3 7 6 3 1 5 1 5 0 6-2. BLOCK DIAGRAMS – CD SECTION – IC421 OPTICAL PICK-UP BLOCK CD DIGITAL (KSS-213D/Q-NP) IC101 D+5V OPTICAL DIGITAL SERVO DETECTOR IC103 DIGITAL SIGNAL PROCESSOR RF AMP DIGITAL D OUT...
HCD-VX880AV 3 7 6 3 1 5 1 5 0 – MAIN SECTION – IC711 ECHO PROCESSOR C DATA LPF 1 IN LPF 2 OUT C CLK IC712(1/2) J711 SPE SIG VIDEO MIC 1 SECTION (Page 22) J712 RV712...
HCD-VX880AV 3 7 6 3 1 5 1 5 0 – DISPLAY SECTION – IC604 • L/P SCK Q601,602 • LED LA +5V (LED) PANEL LED SWITCH • L/P DAT • IIC DATA C DATA IIC CLK C CLK •...
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HCD-VX880AV 3 7 6 3 1 5 1 5 0 WAVEFORMS – VIDEO SECTION – – MAIN (3/4) SECTION – THIS NOTE IS COMMON FOR PRINTED WIRING – CD SECTION – BOARDS AND SCHEMATIC DIAGRAMS. !£ (In addition to this, the necessary note is printed in each block.)
HCD-VX880AV 3 7 6 3 1 5 1 5 0 6-4. SCHEMATIC DIAGRAM – BD SECTION – • See page 27 for Waveforms. • See page 50 for IC Block Diagrams. • See page 52 for IC Pin Functions.
HCD-VX880AV 3 7 6 3 1 5 1 5 0 6-9. SCHEMATIC DIAGRAM – VIDEO (2/2) SECTION – • See page 27 for Waveforms. • See page 32 for Printed Wiring Board. • See page 50 for IC Block Diagrams.
HCD-VX880AV 6-12. SCHEMATIC DIAGRAM – MAIN (3/4) SECTION – 3 7 6 3 1 5 1 5 0 • See page 27 for Waveforms. • See page 39 for Printed Wiring Board. • See page 60 for IC Pin Functions.
HCD-VX880AV 3 7 6 3 1 5 1 5 0 6-16. SCHEMATIC DIAGRAM – PANEL (1/2) SECTION – • See page 27 for Waveforms. • See page 50 for IC Block Diagrams. • See page 62 for IC Pin Functions.
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http://www.xiaoyu163.com 3 7 63 1515 0 • PANEL Board (2/2) • MOTOR (TURN) Board IC701 M54641L IC604 NJU3716M-T2 DATA REFERENCE POWER OUT2 INPUT AMP. AMP. CONTROL POWER OUT1 INPUT AMP. AMP. • MOTOR (SLIDE) Board IC801 BA6286N PO WER SAVE VREF OUT2 CONTROL...
http://www.xiaoyu163.com 3 7 63 1515 0 6-31. IC PIN FUNCTIONS • IC101 DIGITAL SIGNAL PROCESSOR (CXD3008Q) (BD Board) Pin No. Pin Name Function DVDD0 — Digital power supply XRST System reset MUTE Muting selection pin DATA Serial data input, supplied from CPU XLAT Latch input, supplied from CPU CLOK...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function Tracking error signal input Center servo analog input RFDC RF signal input ADI0 Test pin (Not used) AVSS0 — Analog ground IGEN Power supply pin operational amplifiers AVDD — Analog power supply ASYO EFM full swing output...
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http://www.xiaoyu163.com 3 7 63 1515 0 • IC505 CD MECHANISM CONTROLLER (M30624FGFP) (VIDEO BOARD (1/2)) Function Pin No. Pin Name SENSE Internal status (SENSE) signal input from the CXD3008Q (IC101) SENSE CLK Sense serial data reading clock signal output to the CXD3008Q (IC101) DSP DATA Serial data output to the CXD3008Q (IC101) DSP LATCH...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function 42, 43 Not used (open) BUS XRD Bus read signal output. Not used. BUS XWR Bus write signal output. 8830-CS Chip select signal output. (IC505) AUDIO MUTE Audio muting on/off control signal output terminal “L”: muting on Not used (open) LOAD OUT Loading motor drive signal output terminal Not used (open) LOAD IN...
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http://www.xiaoyu163.com 3 7 63 1515 0 • IC506 MPEG VIDEO/AUDIO DECODER, VIDEO SIGNAL PROCESSOR (CL8830-PD0) (VIDEO BOARD (2/2)) Function Pin No. Pin Name PIO [10:0] Programmable I/O pins. 2 to 4 HDATA [7:0] 8 bit bl-directional host data bus. Host writes data to the decoder Code FIFO via HDATA [7:0].
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function MDATA [15:0] Memory address. — Ground for core logic and I/O signals. MDATA [15:0] Memory address. LDQM SDRAM LDQM. UDQM SDRAM UDQM. — 3.3-V supply voltage for core logic and I/O signals. SDRAM/EDO write enable.
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function PIO [10:0] Programmable I/O pins. 142, 143 VDATA [7:0] Video data bus. Byte serial CdYCrY data synchronous with VCLK. At power-up, the decoder does not drive VDATA. During boot-up, the decoder uses configuration parameters to drive or 3-state VDATA.
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function CD-LRCK Programmable polarity 16-bit word synchronization to the decoder (right channel HIGH). — Ground for core logic and I/O signals. CD-BCK CD bit clock. Decoder accept multiple BCK rates. CD-C2PO Asserted HIGH indicates a corrupted byte.
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http://www.xiaoyu163.com 3 7 63 1515 0 • IC501 MASTER CONTROL (M30622MA-A16FP) (MAIN Board (3/4)) Function Pin No. Pin Name STK-MUTE Power amp ON/OFF signal output POWER Power ON/OFF signal output F-RELAY Front speaker relay control output REAR-RELAY Rear speaker relay control output (Not used) CD-POWER CD power on signal output LINE-MUTE...
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function STEREO Stereo detection for tuner TUNED Tuned detection for tuner ST-CE Tuner chip enable output ST-DOUT Tuner data output ST-DIN Tuner data input ST-CLK Tuned clock output SENS BD Condition signal input (Not used) HDLD Mode hold signal output (Not used) CD latch signal output (Not used)
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http://www.xiaoyu163.com 3 7 63 1515 0 • IC601 DISPLAY CONTROL (TMP88CS76F-6010) (PANEL Board (1/2)) Pin Name Function Pin No. SIRCS Remote commander signal input JOG A Rotary encoder (S601) pulse input L/P SCK LED/PAD clock output LED LA LED latch output L/P DAT LED/PAD data output PAD LA...
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 7-2. CHASSIS SECTION not supplied not supplied not supplied M901 T951 L 13942296513 not supplied The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
http://www.xiaoyu163.com 3 7 63 1515 0 7-6. BASE UNIT SECTION (BU-26BD36L) M101 M102 L 13942296513 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 SECTION 8 3CH AMP ELECTRICAL PARTS LIST 3 7 63 1515 0 Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list 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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http://www.xiaoyu163.com TRANS PANEL SENSOR 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R735 1-249-420-11 CARBON 1.8K 1/4W F 1-658-576-11 SENSOR BOARD R741 1-249-421-11 CARBON 2.2K 1/4W F ************ R742 1-249-421-11 CARBON 2.2K 1/4W F <...
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http://www.xiaoyu163.com VIDEO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4724-927-A VIDEO BOARD, COMPLETE C551 1-126-206-11 ELECT CHIP 100uF 6.3V ********************* C552 1-164-004-11 CERAMIC CHIP 0.1uF < CAPACITOR > C554 1-104-527-11 FILM CHIP 100PF C555 1-126-206-11 ELECT CHIP...
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http://www.xiaoyu163.com VIDEO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > R510 1-216-073-00 METAL CHIP 1/10W R511 1-216-073-00 METAL CHIP 1/10W J501 1-537-943-11 TERMINAL, S (S VIDEO OUT) R512 1-216-053-00 METAL CHIP 1.5K 1/10W...