Sony HCD-VZ50MD Service Manual
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Sony HCD-VZ50MD Service Manual

Mini hi-fi component system
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SERVICE MANUAL
HCD-VZ50MD is the tuner, deck, CD, MD and
amplifier section in DHC-VZ50MD.
This stereo system is equipped with the Dolby B-type
noise reduction system*.
* Manufactured under license from Dolby
Laboratories Licensing Corporation.
DOLBY and the double-D symbol ; are
trademarks of Dolby Laboratories Licensing
Corporation.
Amplifier section
The following measured at 120/220/240 V AC, 50/60 Hz
DIN power output (rated) 115 + 115 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
150 + 150 watts
(6 ohms at 1 kHz,
10 % THD)
Inputs
VIDEO (AUDIO) IN:
voltage 250 mV,
(phono jacks)
impedance 47 kilohms
MIC 1/2:
sensitivity 1 mV,
(mini jack)
impedance 10 kilohms
Outputs
VIDEO OUT:
max. output level
(phono jack)
1 Vp-p, unbalanced,
Sync negative, load impedance
75 ohms
S-VIDEO OUT:
Y: 1 Vp-p, unbalanced,
(4-pin/mini-DIN jack)
Sync negative,
C: 0.286 Vp-p,
load impedance 75 ohms
PHONES:
accepts headphones of
(stereo mini jack)
8 ohms or more
FRONT SPEAKER:
accepts impedance of 6 to 16 ohms
SUPER WOOFER:
Voltage 1 V, impedance 1 kilohms
HCD-VZ50MD
Model Name Using Similar Mechanism
CD Mechanism Type
CD
SECTION
Base Unit Type
Optical Pick-up Type
Model Name Using Similar Mechanism
MD
MD Mechanism Type
SECTION
Optical Pick-up Type
Model Name Using Similar Mechanism
TAPE DECK
SECTION
Tape Transport Mechanism Type

SPECIFICATIONS

VIDEO CD/CD player section
System
Compact disc and digital audio
system
Laser
Semiconductor laser
(λ=780 nm)
Emission duration: continuous
Max. 44.6 µW*
Laser output
*This output is the value measured
at a distance of 200 mm from the
objective lens surface on the
Optical Pick-up Block with 7 mm
aperture.
Wavelength
780 – 790 nm
Frequency response
2 Hz – 20 kHz (±0.5 dB)
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
Video color system format
NTSC, PAL
MINI Hi-Fi COMPONENT SYSTEM
E Model
Tourist Model
NEW
CDM53F-K4BD37
BU-K4BD37
KSM-213DHAP/Z-NP
HCD-ZX50MD
MDM-7B
KMS-260B/J1N
HCD-ZX50MD
TCM-230AWR12
MD deck section
System
MiniDisc digital audio system
Laser
Semiconductor laser (λ=780 nm)
Emission duration: continuous
Max. 44.6 µW*
Laser output
*This output is the value measured
at a distance of 200 mm from the
objective lens surface on the
Optical Pick-up Block with a
7 mm aperture.
Sampling frequency
44.1 kHz
Frequency response
20 – 20,000 Hz
Tape player section
Recording system
4-track 2-channel stereo
Frequency response
40 – 13,000 Hz (±3 dB),
(DOLBY NR OFF)
using Sony TYPE I cassette
40 – 14,000 Hz (±3 dB),
using Sony TYPE II cassette
— Continued on next page —

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Summary of Contents for Sony HCD-VZ50MD

  • Page 1: Specifications

    HCD-VZ50MD SERVICE MANUAL E Model Tourist Model HCD-VZ50MD is the tuner, deck, CD, MD and amplifier section in DHC-VZ50MD. This stereo system is equipped with the Dolby B-type Model Name Using Similar Mechanism noise reduction system*. CD Mechanism Type CDM53F-K4BD37 * Manufactured under license from Dolby Laboratories Licensing Corporation.
  • Page 2 The component has internal problems. malfunction. The display shows a code made up of format that the system does not support, such as p Consult your nearest Sony dealer. three or five letters and a message alternately to CD-ROM. show you the problem. To solve the problem, refer p ––...
  • Page 3 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode Display History op rec tm Displays the total recording time. When the total recording time is more than 1 minute, displays the hour and minute When less than 1 minute, displays “Under 1 min” The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time.
  • Page 4 Table of Error Codes Error Code Description Could not load Loading switches combined incorrectly Timed out without reading the top of PTOC Could read top of PTOC, but detected error Timed out without accessing UTOC Timed out without reading UTOC Error in UTOC Could not start playback Error in sector...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1. SERVICING NOTES ··················································· 8. EXPLPDED VIEWS ······················································ 105 8-1. Back Panel Section ···················································· 105 8-2. Front Panel Section ··················································· 106 2. GENERAL ................ 14 8-3. Chassis Section ·························································· 107 8-4. CD Mechanism Deck Section-1 ································ 108 3.

  • Page 6: Servicing Notes

    MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE observe from more than 30 cm away from the objective lens. COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS FOR MD PUBLISHED BY SONY.
  • Page 7 SERVICE POSITION Jig (A-2501-076-A) CN701 CN503 • CD MECHANISM BLOCK Jig (A-2501-165-A) Jig (A-2501-016-A) Jig (A-2501-167-A)
  • Page 8 • BD (CD) BOARD To repair the BD (CD) board,remove the bottom plate. BD (CD) board Bottom view...
  • Page 9 JIG FOR CHECKING BD (MD) BOARD WAVEFORM The special jig (J-2501-196-A) is useful for checking the waveform of the BD (MD) board. The names of terminals and the checking items to be performed are shown as follows. GND : Ground I+3V : For measuring IOP (Check the deterioration of the optical pick-up laser) IOP : For measuring IOP (Check the deterioration of the optical pick-up laser) : TRK error signal (Traverse adjustment)
  • Page 10 Iop DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OF BD (MD) BOARD) ARE REPLACED The Iop value labeled on the optical pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need to look at the value on the label of the optical pick-up.
  • Page 11 CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent. Details of the procedures are described in “6 Electrical Adjustments”. • 6-6-2. Laser power check (see page 41) •...
  • Page 12 RETRY CAUSE DISPLAY MODE • In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the “track mode” for obtaining track information will be set. This is useful for locating the faulty part of the unit. •...
  • Page 13 Reading the Track Mode Display Higher Bits Lower Bits Details Hexa- Hexadecimal decimal b7 b6 b5 b4 b3 b2 b1 b0 When 0 When 1 Binary Emphasis ON Emphasis OFF Stereo Monaural This is 2-bit display. Normally 01. 01:Normal audio. Others:Invalid Invalid Audio (Normal) Digital copy...

  • Page 14: General

    SECTION 2 GENERAL wj wk wl e; 3 45 6 78 ?/1 button and indicator TIMER SELECT indicator TAPE A h button and indicator . button TAPE A H button and indicator > button TAPE B h button and indicator m button TAPE B H button and indicator M button...
  • Page 15 You can use the shaded buttons shown below to Move the multi stick toward B. 1 Press MODE SELECT repeatedly to select “Set You must set the time before using the timer operate a Sony TV. The minute indication flashes. Up Mode”, then press PUSH ENTER. functions.
  • Page 16 Items in “Sound Mode” and “Set Up Mode” The numbers in parenthesis denotes the page number for the item. Set Up Mode Set Up Mode TAPE Set Up ? CD Set Up ? Repeat Set Up ? (39) Direction Set Up ? (76) Sound Mode Play Mode Set Up ? (40) DOLBY NR Set Up ? (77)

  • Page 17: Disassembly

    SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 1 three screws (BVTT 3 × 8) 3-1. CASE 5 Remove the case in the arrow direction. 4 three screws (case 3 TP2) 2 two screws (BVTT 3 ×...
  • Page 18 3-3. TAPE MECHANISM DECK SECTION (TCM-230AWR12) 2 two screws (BVTP 3 × 8) 1 three screws (BVTP 3 × 8) 3 tape mechanism deck section (TCM-230AWR12) 5 Remove the back panel section 3-4. BACK PANEL SECTION in the arrow direction. 4 three screws (BVTP 3 ×...
  • Page 19 3-5. MD MECHANISM DECK SECTION (MDM-7B) 1 three screws (BVTP 3 × 8) 2 plate (B), shield qs two screws (BVTPWH M3), step 5 flat type wire (17core) (CN1004) 6 flat type wire (27core) (CN1003) qd MD mechanism deck (MDM-7B) qa two screws (BVTPWH M3), step 3 screw...
  • Page 20 3-7. CD BASE UNIT (BU-K4BD37) 5 CD base unit (BU-K4BD37) 4 two springs (insulator), compression 4 two springs (insulator), compression 2 chassis 3 two screws (PTPWH M 2.6) 3 two screws (PTPWH M 2.6) 1 three screws (BVTP 3 × 6) 3-8.
  • Page 21 3-9. FITTING BASE (GUIDE) ASSY, BRACKET (CHASSIS) AND FITTING BASE (MAGNET) ASSY 7 four screws (BVTP M2.6) 2 four screws (BVTP M2.6) 8 base (magnet) assy, fitting 4 five screws (BVTP M2.6) 6 connector (CN710) 5 bracket (chassis) 3 base (guide) assy, fitting 1 two connectors (CN709, 715)
  • Page 22 3-11. CHASSIS (MOLD B) SECTION, STOCKER SECTION AND SLIDER (SELECTION) Note : In mounting the parts, refer to page 23 and 24. 6 two screws (PTPWH M2.6) 5 stocker section 7 slider (selection) 8 washer 9 compression 1 three screws spring pulley (LD) (BVTP M2.6)
  • Page 23 3-13. SLIDER (SELECTION) INSTALLATION 6 two screws (PTPWH M2.6) 2 gear (chuking) rotary encoder 5 washer 4 compression spring 7 Insert the slider (selection) into the portion A. Align with the slot of rotary encoder. portion A 3 convex portion of slider (selection) gear (chuking) 1 rotary encoder...
  • Page 24 3-15. CHASSIS (MOLD B) SECTION INSTALLATION 3 three screws (BVTP M2.6) 2 Insert the gear (eject) 1 Insert the portion A of under the gear (LD chassis (mold B) section deceleration). portion A into the portion B of slider (selection). gear (LD deceleration) portion B of slider (selection)

  • Page 25: Test Mode

    SECTION 4 TEST MODE [MC Cold Reset] [Change-over of AM Tuner Step between 9 kHz and • The cold reset clears all data including preset data stored in the 10 kHz] RAM to initial conditions. Execute this mode when returning •...
  • Page 26 [MC Test Mode] • This mode is used to check operations of the respective sections of Amplifier, Tuner, CD and Tape. Procedure: Press the ?/1 button to turn on the set. Press the three buttons of x , DISPLAY and DISC 3 simultaneously.
  • Page 27 [Aging Mode] This mode can be used for operation check of CD section and tape deck section. • If an error occurred: The aging operation stops and display status. • If no error occurs: The aging operation continues repeatedly. 1. Operating method of Aging Mode Turn on the main power and select “CD”...
  • Page 28 4-1. PRECAUTIONS FOR USE OF TEST MODE • As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it. Even if the MD Z button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating.
  • Page 29 4-5. SELECTING THE TEST MODE There are 26 types of test modes as shown below. The groups can be switched by moving the multi-stick. After selecting the group to be used, press the PUSH ENTER button. After setting a certain group, move the multi-stick to switche between these modes. Refer to “Group”...
  • Page 30 4-5-1. Operating the Continuous Playback Mode 1. Entering the continuous playback mode 1 Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.) 2 Move the multi-stick and display “CPLAY1MODE”(C34). 3 Press the PUSH ENTER button to change the display to “CPLAY1MID”. 4 When access completes, the display changes to “C = AD = ”.
  • Page 31 4-6. FUNCTIONS OF OTHER BUTTONS Function REC IT Contents Sets continuous playback when pressed in the STOP state. When pressed during continuous PUSH ENTER playback, the tracking servo turns ON/OFF. CLEAR Stops continuous playback and continuous recording. J (FF) The sled moves to the outer circumference only when this is pressed. j (FR) The sled moves to the inner circumference only when this is pressed.
  • Page 32 4-8. MEANINGS OF OTHER DISPLAYS Contents Display When Lit When Off Servo ON Servo OFF Tracking servo OFF Tracking servo ON MD REC Recording mode ON Recording mode OFF TRACK CLV low speed mode CLV normal mode L.SYNC ABCD adjustment completed OVER Tracking offset cancel ON Tracking offset cancel OFF...

  • Page 33: Mechanical Adjustments

    SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS 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 demagnetizer. record/playback heads pinch rollers 2. Do not use a magnetized screwdriver for the adjustments. erase head rubber belts 3.
  • Page 34 3. Mode: Playback normal speed. 6. Adjust RV1002 of the LEAF SW board so that the reading of test tape the frequency counter becomes 3000 ± 90 Hz. P-4-A100 main board CN302 (10kHz, –10dB) 7. Press the "/1 button, after the turned ON. Pin 1 (L-ch) oscilloscope 8.
  • Page 35 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”...
  • Page 36 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 designed to operate without adjustment. VOLT/DIV : 200mV Therefore, check each item in order given.
  • Page 37 VIDEO SECTION FREQUENCY ADJUSTMENT Connection: frequency counter VIDEO board (27 MHz) Procedure: 1. Connect the frequency counter to check point of the VIDEO board. 2. Turned ?/1 button switch on. 3. Press the FUNCTION button to select the CD. 4. Adjust CT503 on the VIDEO board so that the frequency counter reading 27.0 MHz ±...
  • Page 38 MD SECTION 6-1. PARTS REPLACEMENT AND ADJUSTMENT If malfunctions caused by Optical pick-up such as sound skipping are suspected, follow the following check. Check before replacement Start 6-6-2. Laser Power Check (See page 41) 6-6-3. Iop Compare (See page 41) 6-6-4.
  • Page 39 Adjustment flow • Abbreviation Start OP: Optical pick-up After turning off and then on the power, initialize the EEPROM Replace IC195 For details, refer to 4-11. WHEN MEMORY NG IS DISPLAYED (See page 32) 6-7. INITIAL SETTING OF ADJUSTMENT VALUE Replace OP or IC195 (See page 44) 6-9.
  • Page 40 6-2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eye-sight. 6-3. PRECAUTIONS FOR USE OF OPTICAL PICK- UP (KMS-260B/J1N) As the laser diode in the optical pick-up is easily damaged by static electricity, solder the laser tap of the flexible board when using it.
  • Page 41 6-5. USING THE CONTINUOUSLY RECORDED DISC Checking Procedure: 1. Set the laser power meter on the objective lens of the optical * This disc is used in focus bias adjustment and error rate check. pick-up. (If cannot set properly, press the m or M button The following describes how to create a continuous recording while REC IT is off and move the optical pick-up.) disc.
  • Page 42 6-6-4. Auto Check 6. Observe the waveform of the oscilloscope, and check that the This test mode performs CREC and CPLAY automatically for specified value is satisfied. mainly checking the characteristics of the optical pick-up. To (Read power traverse checking) perform this test mode, the laser power must first be checked.
  • Page 43 6-6-8. C PLAY Check 16. Observe the waveform of the oscilloscope, and check that the specified value is satisfied. Do not move the Multi stick. MO Error Rate Check (Traverse Waveform) Checking Procedure : 1. Load a continuously recorded test disc (MDW-74/GA-1). (Refer to “6-5.
  • Page 44 Adjusting Procedure : 6-7. INITIAL SETTING OF ADJUSTMENT VALUE 1. Move the multi-stick and display “TEMP ADJUS” (C03). 2. Press the PUSH ENTER button and select the “TEMP ADJUS” Note: (C03) mode. Mode which sets the adjustment results recorded in the non-vola- 3.
  • Page 45 6-12. TRAVERSE ADJUSTMENT 7. Then, move the multi-stick and display “LDPWR CHECK” (C13). Connection : 8. Press the PUSH ENTER button once and display “LD 0.9 mW Oscilloscope ”. Check that the reading of the laser power meter become 0.85 to 0.91 mW. BD (MD) board 9.
  • Page 46 6-13. FOCUS BIAS ADJUSTMENT 11. Move the multi-stick until the waveform of the oscilloscope moves closer to the specified value. Adjusting Procedure : In this adjustment, waveform varies at intervals of approx. 2%. 1. Load a test disk (MDW-74/GA-1). Adjust the waveform so that the specified value is satisfied as 2.
  • Page 47 4. The display changes to “C1 = AD = ”. 6-17. ADJUSTING POINTS AND CONNECTING 5. If the C1 error rate is below 20, check that ADER is 00. POINTS 6. Press the CLEAR buttonwhile REC IT is lit, stop playback, press the MD Z button while REC IT is off, and remove the [BD (MD) BOARD] (SIDE A) test disc.

  • Page 48: Diagrams

    SECTION 7 DIAGRAMS 7-1. CIRCUIT BOARDS LOCATION TRANS board PANEL board MAIN board SUB PANEL board HP board LEAF SW board MIC board FRONT AMP board CD SW board AUDIO board CLAMP MOTOR board TUNER UNIT DIGITAL board BD (CD) board BD (MD) board SENSOR 2 board VIDEO board...
  • Page 49 THIS NOTE IS COMMON FOR PRINTED WIRING • Indication of transistor BOARDS AND SCHEMATIC DIAGRAMS. For schematic diagrams. Note: These are omitted. • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 50 • WAVEFORMS – BD (MD) SECTION – – BD (CD) SECTION – – MAIN SECTION – – MD DIGITAL SECTION – IC101 eh (BOTM) IC401 qa (XC-OUT) IC1001 w; (X OUT) IC101 t; (RFAC)(CD Play mode) 1.3Vp-p 1.3 Vp-p 2.7Vp-p 10.0MHz 3.0Vp-p 32.768kHz...

  • Page 51: Block Diagrams

    HCD-VZ50MD 7-2. BLOCK DIAGRAMS – CD SECTION – • Signal Path : CD (ANALOG) : CD (DIGITAL) Q102 IC101 DIGITAL SERVO IC503 DIGITAL SIGNAL PROC. OPTICAL PICK-UP WAVE BLOCK IC103 D OUT SECTION (KSM-213DHAP/Z-NP) SHAPER RF AMP (Page 53) LEVEL SHIFT...
  • Page 52 HCD-VZ50MD – VIDEO SECTION – DEVICE RST SECTION (Page 51) CD DATA/CD BCK/CD LRCK/C2PO SECTION (Page 51) IC502(2/2) IC303 IC304 Y AMP CD MECHA CONT VIDEO AMP RESOLUTION VOUT Y IN Y OUT1 L.P.F Y OUT2 J301 IC302 C AMP...
  • Page 53 HCD-VZ50MD – MD SECTION – IC151 (1/2) OVER WRITE EFMO ADDT HEAD DRIVE IC181, Q181, 182 FILI DADTI DADTI SAMPLING HR901 SCTX RATE XBCKI OVER WRITE HEAD XBCKI CONVERTER DIGITAL SIGNAL PROCESSOR, CLTV LRCKI LRCKI EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER,...
  • Page 54 HCD-VZ50MD – SYSCON/SERVO SECTION– IC401 (2/2) IC701 MASTER CONTROL SYSTEM CONTROL IC703 XC-IN FL DRIVER X401 32.768MHz D704, Q703 X IN Q701 XC-OUT GRID EXT CLK X701 DISC IN FL701 LEVEL 12.5MHz GRID EXT RESET RESET DET. DISC-SENS SHIFT X OUT...
  • Page 55 HCD-VZ50MD – MAIN SECTION – LOUT • R-ch is omitted due to same as L-ch. IC101 SECTION • Signal Path SOUND PROCESSOR (Page 53) : FM J102 REC B2 L IN WOOFER : CD SW OUT IC801 Q130 POWER AMP...

  • Page 56: Printed Wiring Board - Deck Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-3. PRINTED WIRING BOARD – DECK SECTION – JW15 (13) MAIN BOARD (Page 63)

  • Page 57: Schematic Diagram - Deck Section

    HCD-VZ50MD 7-4. SCHEMATIC DIAGRAM – DECK SECTION – MAIN BOARD (Page 64)

  • Page 58: Printed Wiring Board - Cd Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-5. PRINTED WIRING BOARD – CD SECTION – • Semiconductor Location BD (CD) BOARD (SIDE B) Ref. No. Location BD (CD) BOARD (SIDE A) IC101 IC102 IC103 IC104 Q101 R210 C162...

  • Page 59: Schematic Diagram - Cd Section

    HCD-VZ50MD 7-6. SCHEMATIC DIAGRAM – CD SECTION – • See page 50 for Waveforms. • See page 90 for IC Block Diagrams.

  • Page 60: Printed Wiring Board - Md Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-7. PRINTED WIRING BOARD – MD SECTION – DIGITAL DIGITAL BOARD BOARD (Page 69) (Page 69) (13) (13) • Semiconductor • Semiconductor Location Location Ref. No. Location Ref. No. Location Ref. No. Location...

  • Page 61: Schematic Diagram - Md (1/2) Section

    HCD-VZ50MD 7-8. SCHEMATIC DIAGRAM – MD (1/2) SECTION – • See page 50 for Waveforms. • See page 87,88 for IC Block Diagrams. • See page 96 for IC Pin Functions. PIN FUNCTION...

  • Page 62: Schematic Diagram - Md (2/2) Section

    HCD-VZ50MD • See page 50 for Waveforms. • See page 88 for IC Block Diagrams. • See page 97 for IC Pin Functions. 7-9. SCHEMATIC DIAGRAM – MD (2/2) SECTION – PIN FUNCTION...

  • Page 63: Printed Wiring Board - Main Section

    HCD-VZ50MD 7-10. PRINTED WIRING BOARD – MAIN SECTION – • See page 48 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location...

  • Page 64: Schematic Diagram - Main (1/4) Section

    HCD-VZ50MD 7-11. SCHEMATIC DIAGRAM – MAIN (1/4) SECTION –...

  • Page 65: Schematic Diagram - Main (2/4) Section

    HCD-VZ50MD 7-12. SCHEMATIC DIAGRAM – MAIN (2/4) SECTION – • See page 89 for IC Block Diagrams.

  • Page 66: Schematic Diagram - Main (3/4) Section

    HCD-VZ50MD • See page 50 for Waveforms. • See page 101 for IC Pin Functions. 7-13. SCHEMATIC DIAGRAM – MAIN (3/4) SECTION – PIN FUNCTION...

  • Page 67: Schematic Diagram - Main (4/4) Section

    HCD-VZ50MD 7-14. SCHEMATIC DIAGRAM – MAIN (4/4) SECTION – • See page 89 for IC Block Diagrams.

  • Page 68: Printed Wiring Board - Digital (Side A) Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-15. PRINTED WIRING BOARD – DIGITAL (SIDE A) SECTION – There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location...

  • Page 69: Printed Wiring Board - Digital (Side B) Section

    HCD-VZ50MD 7-16. PRINTED WIRING BOARD – DIGITAL (SIDE B) SECTION – • See page 48 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location...

  • Page 70: Schematic Diagram - Digital (1/2) Section

    HCD-VZ50MD • See page 50 for Waveforms. • See page 92 for IC Block Diagrams. • See page 99 for IC Pin Functions. 7-17. SCHEMATIC DIAGRAM – DIGITAL (1/2) SECTION – PIN FUNCTION...

  • Page 71: Schematic Diagram-Digital (2/2) Section

    HCD-VZ50MD 7-18. SCHEMATIC DIAGRAM – DIGITAL (2/2) SECTION – • See page 92 for IC Block Diagrams.

  • Page 72: Printed Wiring Board - Amp Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-19. PRINTED WIRING BOARD – AMP SECTION – There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location...

  • Page 73: Schematic Diagram - Amp Section

    HCD-VZ50MD 7-20. SCHEMATIC DIAGRAM – AMP SECTION –...

  • Page 74: Printed Wiring Board - Panel Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-21. PRINTED WIRING BOARD – PANEL SECTION – There are a few cases that the part printed on this diagram isn’t mounted in this model. TRANS BOARD (Page 82) CINEMA SPACE...

  • Page 75: Schematic Diagram - Panel Section

    HCD-VZ50MD 7-22. SCHEMATIC DIAGRAM – PANEL SECTION – • See page 50 for Waveforms. • See page 93 for IC Block Diagrams. • See page 104 for IC Pin Functions. PIN FUNCTION...

  • Page 76: Printed Wiring Board - Switch Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-23. PRINTED WIRING BOARD – SWITCH SECTION – There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location Ref. No. Location...

  • Page 77: Schematic Diagram - Switch Section

    HCD-VZ50MD 7-24. SCHEMATIC DIAGRAM – SWITCH SECTION –...

  • Page 78: Printed Wiring Board - Cd Mechanism Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-25. PRINTED WIRING BOARD – CD MECHANISM SECTION – (31) (31) (31) (31) (31) MAIN BOARD (Page 63) MAIN (31) BOARD (31) (Page 63) (31)

  • Page 79: Schematic Diagram - Cd Mechanism Section

    HCD-VZ50MD 7-26. SCHEMATIC DIAGRAM – CD MECHANISM SECTION – MAIN BOARD (Page 66) MAIN BOARD (Page 66)

  • Page 80: Printed Wiring Board - Leaf Sw Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-27. PRINTED WIRING BOARD – LEAF SW SECTION – CAPSTAN MOTOR A DECK B DECK PLUNGER PLUNGER MAIN BOARD (Page 63) 7-28. SCHEMATIC DIAGRAM – LEAF SW SECTION – MAIN BOARD...

  • Page 81: Printed Wiring Board - Mic Section

    HCD-VZ50MD 7-29. PRINTED WIRING BOARD – MIC SECTION – • See page 48 for Circuit Boards Location. 7-30. SCHEMATIC DIAGRAM – MIC SECTION – There are a few cases that the part printed on this diagram isn’t mounted in this model.

  • Page 82: Printed Wiring Board - Power Supply Section

    HCD-VZ50MD • See page 48 for Circuit Boards Location. 7-31. PRINTED WIRING BOARD – POWER SUPPLY SECTION – There are a few cases that the part printed on this diagram isn’t mounted in this model. PANEL BOARD (Page 74) FRONT AMP...

  • Page 83: Schematic Diagram - Power Supply Section

    HCD-VZ50MD 7-32. SCHEMATIC DIAGRAM – POWER SUPPLY SECTION –...

  • Page 84: Schematic Diagram - Video Cd Section (1/2)

    HCD-VZ50MD • See page 91 for IC Block Diagrams. • See page 94 for IC Pin Function Description. 7-33. SCHEMATIC DIAGRAM – VIDEO CD SECTION (1/2) – PIN FUNCTION...

  • Page 85: Schematic Diagram - Video Cd Section (2/2)

    HCD-VZ50MD 7-34. SCHEMATIC DIAGRAM – VIDEO CD SECTION (2/2) – • See page 50 for Waveforms. • See page 91 for IC Block Diagrams.

  • Page 86: Printed Wiring Boards -Video Cd Section

    HCD-VZ50MD There are a few cases that the part printed on • See page 48 for Circuit Boards Location. this diagram isn’t mounted in this model. 7-35. PRINTED WIRING BOARDS –VIDEO CD SECTION– • Semiconductor Location Ref. No. Location D501...

  • Page 87: Ic Block Diagrams

    7-36. IC BLOCK DIAGRAMS IC101 CXA2523AR (BD (MD) BOARD) 43 42 USROP – RF AGC – USRC RFA1 BPF3T RFA2 RFA3 PEAK3T – HLPT –1 – – –2 – OFST PTGR TEMP PEAK – –2 – BOTTOM 36 BOTM – –1 GRVA PBSW...
  • Page 88 IC151 CXD2662R (BD (MD) BOARD) 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 SPINDLE GENERATOR SERVO 75 TE MNT0 74 SE MNT1 MONITOR EACH 73 AVSS CONTROL...
  • Page 89 IC202 LA2615 (MAIN BOARD) IC502 M62016L (MAIN BOARD) LPFC L-OUT R-OUT INTERRUPT SIGNAL – GENERATING BLOCK RESET SIGNAL – GENERATING BLOCK ANALOG SURROUND RESET VREF On/Off CONT2 CONT3 VREF L-IN R-IN HPFC IC103 CXA2568M-T6 (BD (CD) BOARD) APC PD AMP LC/PD LD_ON HOLD...
  • Page 90 IC101 CXD3008Q (BD (CD) BOARD) 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 LRCK XRST DOUT DIGITAL MUTE DATA DATA ASYE XLAT XLAT INTERFACE CLOK CLOK INTERFACE SENS SENS VPC0 CLOCK V16M ERROR GENERATOR SCLK CORRECTOR...
  • Page 91 IC302 NJM2255M (VIDEO BOARD) IC304 BA7665FS-E2 (VIDEO BOARD) MUTE MUTEA VCC1 OUTA1 75Ω SATURATION ADJ (COLOR MAIN) OUTA2 HUE ADJ VCC2 SATURATION ADJ (COLOR BURST) MIXOUT1 75Ω N.C. MIXOUT2 75Ω N.C. MUTEB OUTB CHROMA MUTE IC303 NJM2209M (VIDEO BOARD) IC509 PCM1727E-2/T2 (VIDEO BOARD) 384fs CLOCK MANAGER...
  • Page 92 IC1004 LB1641 (DIGITAL BOARD) IC1005 µDA1360TS (DIGITAL BOARD) T.S.D O.C.P VDDA MOTOR MOTOR VSSA DRIVE DRIVE VINL (Σ∆) VREF DECIMATION FWD/REV/STOP FILTER FSEL CONTROL LOGIC VINR (Σ∆) VREF(N) VREF(P) DATAO DC-CANCELLATION DIGITAL FILTER INTERFACE SFOR PWON VSSD CLOCK VDDD SYSCLK CONTROL IC1006 µDA1350AH (DIGITAL BOARD)

  • Page 93: Panel Board

    IC703 M35501P (PANEL BOARD) DIG3 DIG0 DIG1 DIG2 DIG4 DIG5 DIG6 DIG8 DIG9 DIG10 DIG7 SHIFT REGISTER OPTIONAL DIGIT COUNTER POWER ON RESET RESET OVFIN OVFOUT DIG15 DIG14 DIG13 DIG12 DIG11 IC704 BA3830F (PANEL BOARD) REFFERENCE 18 RESET RESET CURRENT REFFERENCE 17 f01 CURRENT...

  • Page 94: Ic Pin Functions

    7-38. IC PIN FUNCTIONS • IC502 M30622MGA-A30FP (CD MECHANISM CONTROLLER) (VIDEO BOARD) Pin No. Pin Name Description SENSE Internal status (SENSE) signal input from the CXD3008Q (IC101) SENSE CLK Sense serial data reading clock signal output to the CXD3008Q (IC101) RESOLUTION Y resolution output CHROMA LEVEL...
  • Page 95 Pin No. Pin Name Description OUTSW Disc detection (load out) switch input terminal Not used (fixed at “H”) MODEL1 Destination setting terminal (fixed at “L”) MODEL2 Destination setting terminal (fixed at “L”) TBLL — Not used (open) TBLR — Not used (open) 57 to 59 ENC1 to ENC3 —...
  • Page 96 • IC101 CXA2523AR RF Amplifier (BD (MD) BOARD) Pin No. Pin Name Function I-V converted RF signal I input I-V converted RF signal J input Middle point voltage (+1.5V) generation output 4 to 9 A to F Signal input from the optical pick-up detector Light amount monitor input Laser APC output APCREF...
  • Page 97 • IC151 CXD2662R Digital Signal Processor, Digital Servo Signal Processor (BD (MD) BOARD) Pin No. Pin Name Function FOK signal output to the system control (monitor output) MNT0 (FOK) “H” is output when focus is on MNT1 (SHCK) Track jump detection signal output to the system control (monitor output) MNT2 (XBUSY) Monitor 2 output to the system control (monitor output) MNT3 (SLOC)
  • Page 98 Pin No. Pin Name Function ASYI Playback EFM comparator slice level input I (A) AVDD +3V power supply (Analog) — BIAS Playback EFM comparator bias current input I (A) I (A) Playback EFM RF signal input AVSS — Ground (Analog) O (3) Phase comparison output for the recording/playback EFM master PLL FILI...
  • Page 99 • IC1001 M30805SGP SYSTEM CONTROL (DIGITAL BOARD) Pin No. Pin Name Function — Not used. — Not used. LVLI — Not used. LVLO — Not used. (TXD3) — Not used. (RXD3) — Not used. (CLK3) — Not used. MUTE Line out muting output. L: Mute DARST Reset signal output to the D/A converter.
  • Page 100 Pin No. Pin Name Function — Not used. — Not used. Not used. MNT2 (XBUSY) In the state of executive command from the CXD2662R VSS2 — Ground. MNT1 (SHCK) Track jump signal input from the CXD2662R VCC2 — Power supply. (+3.3V) EEP-WP EEP-ROM write protect signal output.
  • Page 101 • IC401 M30620MCA-A55FP MASTER CONTROL (MAIN BOARD) Pin No. Pin Name Descriptions BD-DATA CD data output. BD-CLK CD clock output. BD-LAT CD latch signal output. AC-CUT AC cut input. L= ON,H=OFF — Not used. SQ-DATA-IN Subcode Q data input. SQ-CLK Subcode Q data input.
  • Page 102 Pin No. Pin Name Descriptions 502-DATA Data output to sound processor 502-CLK Clock output to sound processor ST-CLK TUNER clock signal output. ST-DIN TUNER data input. ST-DOUT TUNER data output. ST-CE TUNER chip eneble output. TUNED TUNED detect signal input. L=ON, H=OFF STEREO STEREO detect signal input.
  • Page 103 Pin No. Pin Name Descriptions A SHUT A deck reel pulse detect signal output. B SHUT B deck reel pulse detect signal output. B HALF/REC A/REC B B deck half detect signal input./A deck or B deck record detect signal input. MODEL-IN MODEL input.
  • Page 104 • IC701 TMP88CS77AF-1A90 SYSTEM CONTROL (PANEL BOARD) Pin No. Pin Name Descriptions LED SEL LED select signal output 2 to 12 LED0 to LED10 LED driver output STANDBY LED STANDBY LED driver output TIMER LED TIMER SEL LED driver output 15, 16 VOLUME A, B Rotary encoder pulse input...

  • Page 105: Explpded Views

    SECTION 8 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Abbreviation The components identified by mark 0 or have some differences from the original one. HK : Hong Kong model dotted line with mark 0 are critical for safety. •...

  • Page 106: Front Panel Section

    8-2. FRONT PANEL SECTION not supplied FL701 not supplied TCM-230AWR12 not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-4953-111-1 PANEL ASSY, FRONT A-4428-661-A CD SW BOARD, COMPLETE 4-226-715-01 KNOB, VOLUEME X-4952-712-1 HOLDER (B) ASSY, TC 4-226-897-01 SPRING (CD) X-4952-711-1 HOLDER (A) ASSY, TC...

  • Page 107: Chassis Section

    8-3. CHASSIS SECTION T901 not supplied CDM53F-K4BD37 not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4475-164-A MAIN BOARD, COMPLETE (HK,SP,MY) 3-703-571-11 BUSHING (S) (4516), CORD (JE) A-4475-214-A MAIN BOARD, COMPLETE (JE) * 109 3-703-244-00 BUSHING (2104), CORD (HK,SP,MY) 0 110...

  • Page 108: Cd Mechanism Deck Section-1

    8-4. CD MECHANISM DECK SECTION-1 (CDM53F-K4BD37) not supplied not supplied M702 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-218-253-11 SCREW (M2.6), +BTTP 3-341-549-01 SCREW(2.6X12)(DIA.7.5),+PTP WH 1-671-508-11 LOAD MOTOR BOARD 4-211-235-01 BELT (COMMUNICATION) 4-211-215-01 GEAR (EJECT) 4-211-236-01 BELT (LOADING) 1-671-502-11 INT/COUNT SW BOARD 4-211-231-01 PULLEY (MODE)

  • Page 109: Cd Mechanism Deck Section-2

    8-5. CD MECHANISM DECK SECTION-2 (CDM53F-K4BD37) not supplied S707 M701 not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-985-672-01 SCREW (+PTPWH M2.6), FLOATING 4-211-217-01 GEAR (SELECTION) 4-220-933-01 INSULATOR 4-211-242-11 SHAFT (SELECTION GEAR) 4-211-212-51 TRAY (SUB) 4-211-240-01 GEAR (LD DECELERATION B) X-4950-322-3 HOLDER (BU) ASSY 4-211-216-01 GEAR (RELAY)

  • Page 110: Tape Mechanism Deck Section

    8-6. TAPE MECHANISM DECK SECTION (TCM-230AWR12) Note: Two different types of tape mechanism are used depending on models. They maintain compatibility as an entire mechanism even though there are some different parts are used. not supplied Ref. No. Part No. Description Remarks Ref.

  • Page 111: Md Mechanism Section-1

    8-7. MD MECHANISM SECTION-1 (MDM-7B) supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 401 4-996-267-01 BASE (BU-D) 4-227-012-01 SPRING (HOLDER), TENSION 4-908-618-21 SCREW (+BTP) (2X6) 4-227-019-02 PLATE (HOLDER), RETAINER 4-227-007-01 GEAR (SB) 4-227-013-01 SPRING (EJ), TENSION 4-227-025-01 BELT (LOADING) 4-226-995-01 SLIDER (EJ)

  • Page 112: Md Mechanism Section-2

    8-8. MD MECHANISM SECTION-2 (MDM-7B) HR901 S102 M101 M102 M103 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4725-101-A BD (MD) BOARD 4-226-990-01 BASE (BU-A) 4-908-618-21 SCREW (+BTP) (2X6) 4-227-023-01 SPRING (SPINDLE), TORSION 3-372-761-01 SCREW (M1.7), TAPPING 4-227-004-01 GEAR (LC) 4-226-993-01 RACK 4-227-005-01 GEAR (LD)

  • Page 113: Electrical Parts List

    SECTION 9 AUDIO ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name. specified in the diagrams or the components METAL: metal-film resistor used on the set.
  • Page 114 AUDIO BD (CD) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < VARIABLE RESISTOR > < CONNECTOR > RV301 1-238-598-11 RES, ADJ, CARBON 2.2K CN101 1-770-708-11 CONNECTOR, FFC/FPC 25P RV311 1-238-598-11 RES, ADJ, CARBON 2.2K CN102 1-777-937-11 CONNECTOR, FFC/FPC 16P RV341 1-241-768-11 RES, ADJ, CARBON 220K...
  • Page 115 BD (CD) BD (MD) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R173 1-216-025-11 RES-CHIP 1/10W C133 1-164-156-11 CERAMIC CHIP 0.1uF R175 1-216-025-11 RES-CHIP 1/10W C141 1-126-206-11 ELECT CHIP 100uF 6.3V R180 1-216-097-11 RES-CHIP 100K 1/10W C142 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 116 BD (MD) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC181 8-759-481-17 IC MC74ACT08DTR2 R111 1-216-833-11 METAL CHIP 1/16W IC190 8-759-677-64 IC L88M35T R112 1-216-829-11 METAL CHIP 4.7K 1/16W IC195 8-759-640-41 IC BR24C08F-E2 R113 1-216-833-11 METAL CHIP 1/16W R114 1-216-827-11 METAL CHIP...
  • Page 117 BD (MD) CD SW CLAMP MOTOR CONNECTOR DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < VIBRATOR > < RESISTOR > X171 1-781-569-21 OSCILLATOR, CRYSTAL(90MHz) R701 1-249-411-11 CARBON 1/4W R702 1-249-401-11 CARBON 1/4W F ************************************************************ ************************************************************ A-4428-661-A CD SW BOARD, COMPLETE 1-671-506-11 CONNECTOR BOARD...
  • Page 118 DIGITAL FRONT AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C1044 1-163-009-11 CERAMIC CHIP 0.001uF R1045 1-216-073-00 METAL CHIP 1/10W C1045 1-126-933-11 ELECT 100uF 20.00% 16V R1046 1-216-073-00 METAL CHIP 1/10W C1046 1-136-153-00 FILM 0.01uF R1047 1-216-073-00 METAL CHIP 1/10W...
  • Page 119 FRONT AMP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C837 1-126-963-11 ELECT 4.7uF 20.00% 50V D984 8-719-160-59 DIODE RD13F-T7B3 C851 1-126-963-11 ELECT 4.7uF 20.00% 50V D985 8-719-911-19 DIODE 1SS133T-72 C852 1-162-286-31 CERAMIC 220PF D986 8-719-911-19 DIODE 1SS133T-72 C853 1-162-282-31 CERAMIC 100PF...
  • Page 120 FRONT AMP IN SW INT/COUNT SW Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R825 1-249-402-11 CARBON 1/4W F R987 1-249-419-11 CARBON 1.5K 1/4W F R826 1-249-417-11 CARBON 1/4W F R827 1-249-433-11 CARBON 1/4W < RELAY > R828 1-249-417-11 CARBON 1/4W F...
  • Page 121 LEAF SW LOAD MOTOR MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-2007-838-A LEAF SW BOARD, COMPLETE < DIODE > *********************** D702 8-719-109-85 DIODE MTZJ-T-72-5.1B < CAPACITOR > < IC > C1001 1-107-716-11 ELECT 33uF 20.00% 10V IC702 8-759-633-65 IC M54641L...
  • Page 122 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C151 1-126-960-11 ELECT 20.00% 50V C356 1-126-960-11 ELECT 20.00% 50V C153 1-126-960-11 ELECT 20.00% 50V C357 1-126-959-11 ELECT 0.47uF 20.00% 50V C155 1-126-964-11 ELECT 10uF 20.00% 50V C358 1-126-964-11 ELECT 10uF...
  • Page 123 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C922 1-126-933-11 ELECT 100uF 20.00% 16V FB502 1-414-772-11 FERRITE C926 1-126-964-11 ELECT 10uF 20.00% 50V FB504 1-414-772-11 FERRITE C927 1-126-964-11 ELECT 10uF 20.00% 50V FB505 1-414-772-11 FERRITE C928 1-126-964-11 ELECT 10uF...
  • Page 124 DTC124EKA-T146 R307 1-216-071-00 METAL CHIP 8.2K 1/10W Q912 8-729-900-53 TRANSISTOR DTC114EKA-T146 R308 1-216-065-91 RES-CHIP 4.7K 1/10W Q914 8-729-018-59 TRANSISTOR 2SB1375(LB-SONY) R309 1-216-081-00 METAL CHIP 1/10W Q941 8-729-111-29 TRANSISTOR 2SD1616A-TP-LK R311 1-216-121-11 RES-CHIP 1/10W Q942 8-729-600-22 TRANSISTOR 2SA1235TP-1EF R312 1-216-102-00 RES-CHIP...
  • Page 125 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R367 1-216-089-11 RES-CHIP 1/10W R480 1-216-025-11 RES-CHIP 1/10W R368 1-216-061-00 METAL CHIP 3.3K 1/10W R481 1-216-025-11 RES-CHIP 1/10W R369 1-216-061-00 METAL CHIP 3.3K 1/10W R482 1-216-025-11 RES-CHIP 1/10W R371 1-216-089-11 RES-CHIP...
  • Page 126 MAIN OUT SW PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < VARIABLE RESISTOR > < RESISTOR > RV301 1-238-600-11 RES, ADJ, CARBON 10K R1601 1-249-429-11 CARBON 1/4W RV351 1-238-600-11 RES, ADJ, CARBON 10K R1602 1-249-417-11 CARBON 1/4W F R1603...
  • Page 127 PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C714 1-162-286-31 CERAMIC 220PF < IC > C715 1-162-286-31 CERAMIC 220PF C716 1-162-286-31 CERAMIC 220PF IC701 8-759-680-22 IC TMP88CS77AF-1A90 C717 1-162-286-31 CERAMIC 220PF IC702 8-749-011-05 IC GP1U28X (REMOTE SENSOR) C718 1-162-286-31 CERAMIC 220PF...
  • Page 128 PANEL SENSOR SENSOR 2 SUB PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R713 1-249-441-11 CARBON 100K 1/4W < SWITCH > R714 1-249-441-11 CARBON 100K 1/4W R715 1-249-441-11 CARBON 100K 1/4W S601 1-762-875-21 SWITCH, KEYBOARD (?/1) R716 1-249-441-11 CARBON 100K...
  • Page 129 SUB PANEL TRANS Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks D619 8-719-072-81 DIODE SELU5E23C-STP15 < SWITCH > (MD INSERT BACK LIGHT) D651 8-719-056-13 DIODE SML79423C-TP15 (MD) S607 1-762-875-21 SWITCH, KEYBOARD (MD REC MODE) D652 8-719-056-13 DIODE SML79423C-TP15 (CD) S608 1-762-875-21 SWITCH, KEYBOARD (MD REC/REC IT) S609...
  • Page 130 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4725-333-A VIDEO BOARD, COMPLETE C552 1-165-319-11 CERAMIC CHIP 0.1uF C553 1-126-206-11 ELECT CHIP 100uF 6.3V ********************* C555 1-124-778-00 ELECT CHIP 22uF 6.3V < CAPACITOR > C556 1-165-319-11 CERAMIC CHIP 0.1uF C559 1-126-206-11 ELECT CHIP...
  • Page 131 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > R519 1-216-025-11 RES-CHIP 1/10W R520 1-216-057-00 METAL CHIP 2.2K 1/10W L301 1-410-372-21 INDUCTOR 1.8uH R521 1-216-073-00 METAL CHIP 1/10W L302 1-410-372-21 INDUCTOR 1.8uH R523 1-216-013-00 METAL CHIP 1/10W L303...
  • Page 132 HCD-VZ50MD Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 0 110 1-777-071-51 CORD, POWER (HK,SP,MY) ************** 0 110 1-791-901-11 CORD, POWER (JE) HARDWARE LIST 1-500-386-11 FILTER, CLAMP (FERRITE CORE) ************** 1-471-061-11 MAGNET ASSY 0 238 8-820-122-01 OPTICAL PICK-UP KSM213DHAP/Z-NP...

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