Sony HCD-J300 Service Manual
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Sony HCD-J300 Service Manual

Sony HCD-J300 Service Manual

Micro hi-fi component system
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QQ
3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2001. 06
HCD-J300 is the Amplifier, MD deck, CD
player, Tape player and Tuner section in
CMT-DC500MD.
TE
L 13942296513
Amplifier section
European model:
DIN power output (rated): 30 + 30 W
Continuous RMS power output (reference):
Music power output (reference):
Other models:
The following measured at 230 V AC, 60 Hz
DIN power output (rated): 30 + 30 W
Continuous RMS power output (reference):
The following measured at 220 V AC, 60 Hz
DIN power output (rated): 24 + 24 W
Continuous RMS power output (reference):
www
.
Sony Corporation
9-873-173-01
2001F1600-1
Home Audio Company
© 2001.6
Shinagawa Tec Service Manual Production Group
http://www.xiaoyu163.com
(6 ohms at 1 kHz, DIN)
35 + 35 W
(6 ohms at 1 kHz, 10%
THD)
85 + 85 W
(6 ohms at 1 kHz, DIN)
35 + 35 W
(6 ohms at 1 kHz, 10%
THD)
(6 ohms at 1 kHz, DIN)
27 + 27 W
(6 ohms at 1 kHz, 10%
THD)
x
ao
u163
y
i
http://www.xiaoyu163.com
HCD-J300
2 9
8
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Base Unit Type
Optical Pick-up Type
Model Name Using Similar Mechanism
MD
Q Q
MD Mechanism Type
3
6 7
1 3
1 5
Section
Optical Pick-up Type
Tape deck
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Inputs
ANALOG IN (phono jacks):
DIGITAL OPTICAL IN (Supported sampling
frequencies: 32 kHz, 44.1 kHz and 48 kHz)
Outputs
PHONES (stereo minijack):
SPEAKER:
MICRO HI-FI COMPONENT SYSTEM
co
.
9 4
2 8
AEP Model
UK Model
E Model
HCD-CP500K/CP500MD
CDM55F-K4BD43
BU-K4BD43
KSM-213DHAP
HCD-CP500K/CP500MD
MDM-7B
0 5
8
2 9
9 4
2 8
KMS-260B
HCD-CP500K/CP500MD
Mech deck
Sensitivity 250 mV,
impedance 47 kilohms
Accepts headphones with
an impedance of 8 ohms
or more
Accepts impedance of 6 to
16 ohms
— Continued on next page —
m
9 9
9 9

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  • Page 1 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Ver 1.0 2001. 06 E Model HCD-J300 is the Amplifier, MD deck, CD player, Tape player and Tuner section in CMT-DC500MD. Model Name Using Similar Mechanism HCD-CP500K/CP500MD CD Mechanism Type...
  • Page 2 Recording system 4-track 2-channel stereo 0.5 W (in the standby Frequency response 50 – 13,000 Hz (±3 dB), mode) using a Sony TYPE I Other models: See the nameplate cassette ±0.15% W. Peak (IEC) Wow and flutter Approx. 190 × 253 ×...

  • Page 3: Table Of Contents

    ···························· 27 refer to the following list. If any problem 6. ELECTRICAL ADJUSTMENTS ······························ 27 persists, consult your nearest Sony dealer. 7. DIAGRAMS 7-1. CIRCUIT BOARDS LOCATION ····································· 40 7-2. BLOCK DIAGRAM – CD SECTION – ··························· 42 BLOCK DIAGRAM – MAIN SECTION – ······················ 43 BLOCK DIAGRAM –...

  • Page 4: Servicing Notes

    MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS This appliance is classified as a CLASS 1 LASER product. The APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS CLASS 1 LASER PRODUCT MARKING is located on the rear PUBLISHED BY SONY.
  • Page 5 HCD-J300 3 7 63 1515 0 DRAWING OUT THE TRAY DURING POWER OUT Tray Move the cam block in the direction of the arrow by fingers. L 13942296513 CLEANING THE OPTICAL PICK-UP (CD PLAYER) 2 CD mechanism deck 1 Floating screw 4 Rotate it in the direction of the arrow A .
  • Page 6 HCD-J300 3 7 63 1515 0 SERVICE POSITION OF THE MD MECHANISM Main board CN304 Digital board MD mechanism deck (MDM-7B) CN1001 BD board CN301 CN801 L 13942296513 SERVICE POSITION OF THE CD MECHANISM Main board CD mechanism deck...
  • Page 7 HCD-J300 3 7 63 1515 0 SERVICE POSITION OF THE CASSETTE MECHANISM DECK Tape mechanism deck CN303 CN301 Main board L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 8 HCD-J300 3 7 63 1515 0 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.

  • Page 9: General

    HCD-J300 SECTION 2 This section is extracted GENERAL 3 7 63 1515 0 from instruction manual. 4 5 6 L 13942296513 BAND wj (36, 37) PHONES jack wa BUTTON DESCRIPTIONS CD Z qh (10, 11) PLAY MODE/DIRECTION 3 @/1 (power) 1 (7, 18, 26, 37, 43, (10, 12, 13, 15–17, 26, 34, 39–...
  • Page 10 HCD-J300 3 7 63 1515 0 Setting the time Turn on the system. Press CLOCK/TIMER SET on the remote. If you are setting the clock for the first time, go to step 5. Press on the remote > repeatedly until “CLOCK SET” appears in the display.

  • Page 11: Disassembly

    HCD-J300 SECTION 3 DISASSEMBLY 3 7 63 1515 0 • The equipment can be removed using the following procedure. TOP PANEL SECTION (Page 12) BACK PANEL SECTION FRONT PANEL SECTION TC BLOCK SECTION, TC BOARD, OPTICAL (Page 13) TAPE MECHANISM DECK...
  • Page 12 HCD-J300 3 7 63 1515 0 Note: Follow the disassembly procedure in the numerical order given. TOP PANEL SECTION qa Two claws 9 Screw 2 Screw (+BTP 3 × 8) (+BTP 3 × 8) 3 Two claws qs Remove the top panel section in the direction of the arrow.
  • Page 13 HCD-J300 3 7 63 1515 0 OPTICAL BOARD 4 Optical retainer board 3 Claw 2 Two screws (+BTP 3 × 8) 5 Optical board 1 Connector (CN551) L 13942296513 FRONT PANEL SECTION 1 Flat type wire (25 core) (CN304)
  • Page 14 HCD-J300 3 7 63 1515 0 MD SECTION 1 Four screws (+BTP 3 × 8) 2 Wire holder 3 MD cover assembly 4 Two screws (+BTP 3 × 8) 5 MD section L 13942296513 MD MECHANISM DECK (MDM-7B), DIGITAL BOARD...
  • Page 15 HCD-J300 3 7 63 1515 0 HOLDER SECTION 3 Holder section 1 Tension spring (holder) 2 Hook L 13942296513 BD BOARD 2 Remove the 1 Remove the two solderings (SPINDLE) two solderings (SLED) M102 6 Flexible board M101 (CN101)
  • Page 16 HCD-J300 3 7 63 1515 0 OVER WRITE HEAD (HR901) 1 Screw (+P 1.7 × 6) 2 Over write head (HR901) L 13942296513 OP SUB SECTION 8 OP sub secion 6 Main shaft 3 Screw (+B (P) TRI 2 × 6 CZN)
  • Page 17 HCD-J300 3 7 63 1515 0 LOADING MOTOR ASSEMBLY, SPINDLE MOTOR ASSEMBLY, SLED MOTOR ASSEMBLY 1 Lever (head) 3 Torsion spring (SPINDLE) 2 Belt (LOADING) 4 Two screws 8 Two screws (+PWH 1.7 × 3.5) (+PWH 1.7 × 3.5)
  • Page 18 HCD-J300 3 7 63 1515 0 CD MECHANISM DECK (CDM55F-K4BD43) 3 Two screws (+BTP 3 × 8) 1 Screw (+BTP 3 × 8) 4 MPEG bracket 5 Flat type wire (22 core) (CN101) 9 CD mechanism deck (CDM55F-K4BD43) 7 Two claws...
  • Page 19 HCD-J300 3 7 63 1515 0 BASE UNIT (BU-K4BD43) 1 Floating screw (+PTPWH M2.6) 2 Remove the base unit (BU-K4BD43) in the direction of the arrow A . 3 Chassis (F) OPTICAL PICK-UP (KSM-213DHAP) 2 Two floating screws (+PTPWH M2.6)
  • Page 20 HCD-J300 3 7 63 1515 0 BACK PANEL SECTION (INCLUDING THE OPTICAL BOARD, OPTICAL RETAINER BOARD) 1 Connector (CN551) 4 Back panel section (including the optical board, optical retainer board) 2 Five screws (+BTP 3 × 8) 3 Three screws (+BTP 3 ×...

  • Page 21: Test Mode

    HCD-J300 SECTION 4 TEST MODE 3 7 63 1515 0 Note 1: About “R” As this unit has only a few buttons, some operations require the use of remote commander (RM-SDC500/provided with unit: 1-476-756-11) buttons. These operations are indicated as “R” in this manual.
  • Page 22 HCD-J300 3 7 63 1515 0 MD SECTION 1. PRECAUTIONS FOR USE OF TEST MODE • As operations related to loading 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.
  • Page 23 HCD-J300 3 7 63 1515 0 5. SELECTING THE TEST MODE There are 26 types of test modes as shown below. The groups can be switched by pressing the > button. After selecting the “R” “R” group to be used, press the button.
  • Page 24 HCD-J300 3 7 63 1515 0 5-1. Operating the Continuous Playback Mode Entering the continuous playback mode (1) Set the disc in the unit. (Whichever recordable discs or discs for playback only are available) (2) Press the button to display “CPLAY 1MODE” (C34).
  • Page 25 HCD-J300 3 7 63 1515 0 8. AUTOMATIC SELF-DIAGNOSIS FUNCTION This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform this test mode, the laser power must first be checked.
  • Page 26 HCD-J300 3 7 63 1515 0 11. WHEN MEMORY NG IS DISPLAYED If the nonvolatile memory data is abnormal, “E001 MEMORY NG” will be displayed so that the MD deck does not continue operations. In this case, set the test mode promptly and perform the following procedure.

  • Page 27: Mechanical Adjustments

    HCD-J300 SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 Precaution DECK SECTION 0 dB=0.775V Clean the following parts with a denatured alcohol-moistened swab: Demagnetize the record/playback head with a head record/playback heads pinch rollers demagnetizer.
  • Page 28 HCD-J300 3 7 63 1515 0 Mode: Playback Record Level Check Procedure: test tape P-4-A100 SJ301 Press FUNCTION button to select ANALOG IN. (This step (10kHz, –10dB) SPEAKER is not necessary if the above test mode has already been set.)
  • Page 29 HCD-J300 3 7 63 1515 0 RF PLL Free-run Frequency CD SECTION Procedure : Note : 1. CD Block is basically designed to operate without adjustment. Connect frequency counter to TP (XPCK) with lead wire. Therefore, check each item in order given.

  • Page 30: Properly

    HCD-J300 3 7 63 1515 0 MD SECTION Note 1: About “R” As this unit has only a few buttons, some operations require the use of remote commander (RM-SDC500/provided with unit: 1-476-756-11) buttons. These operations are indicated as “R” in this manual.
  • Page 31 HCD-J300 3 7 63 1515 0 2. PRECAUTIONS FOR CHECKING LASER DIODE 5. When obser ving se veral signals on the oscilloscope , etc., make sure that VC and gr ound do not connect inside the EMISSION oscilloscope. To c hec k the emission of the laser diode during adjustments, ne ver (VC and ground will become short-circuited.)
  • Page 32 HCD-J300 3 7 63 1515 0 5. USING THE CONTINUOUSLY RECORDED DISC 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.
  • Page 33 HCD-J300 3 7 63 1515 0 6-4. Auto Check 6-6. Traverse Check This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform Note 1: Data will be erased during MO reading if a recorded disc is used in this adjustment.
  • Page 34 HCD-J300 3 7 63 1515 0 9. Press the button to display “EFB = 6-7. Focus Bias Check ENTER/YES “R” P”. Change the focus bias and check the focus tolerance amount. Then, the optical pick-up moves to the pit area automatically Procedure: and servo is imposed.
  • Page 35 HCD-J300 3 7 63 1515 0 7. INITIAL SETTING OF ADJUSTMENT VALUE Procedure: 1. Press the . “R” > “R” button to display “TEMP ADJUST” (C03). Note: Mode which sets the adjustment results recorded in the non-volatile 2. Press the button to select the “TEMP...
  • Page 36 HCD-J300 3 7 63 1515 0 6. Press the button so that the reading 11.Iop NV SAVE . “R” > “R” of the laser power meter becomes the specified value, press the Write the reference values in the nonvolatile memory to perform button to save it.
  • Page 37 HCD-J300 3 7 63 1515 0 8. Press the button so that the waveform of 18. Press the button, display “EFB = SAVE” . “R” > “R” ENTER/YES “R” the oscilloscope becomes the specified value. for a moment and save the adjustment results in the non-volatile...
  • Page 38 HCD-J300 3 7 63 1515 0 14. ERROR RATE CHECK 16. AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT 14-1. CD Error Rate Check Be sure to perform this adjustment when the optical pick-up is Procedure: replaced. 1. Load the check disc (TDYS-1).
  • Page 39 HCD-J300 3 7 63 1515 0 Adjustment and checking Loacation: – BD BOARD (Component Side) – – BD BOARD (Conductor Side) – D101 IC101 CN105 CN101 1. I+3V 2. IOP 3. GND 4. TE 5. FE 6. VC 7. RF...

  • Page 40: Diagrams

    HCD-J300 SECTION 7 DIAGRAMS 3 7 63 1515 0 7-1. CIRCUIT BOARDS LOCATION LED board TC board CONTROL board MAIN board HEAD PHONE board L 13942296513 POWER board OPTICAL board DIGITAL board BD board LOADING board u163 CD board...
  • Page 41 HCD-J300 • Waveforms 3 7 6 3 1 5 1 5 0 THIS NOTE IS COMMON FOR PRINTED WIRING • Indication of transistor BOARDS AND SCHEMATIC DIAGRAMS. IC101 us XTAO IC1001 w; XOUT IC309 qf XO (In addition to this, the necessary note is printed in each block.)

  • Page 42: Block Diagram - Cd Section

    HCD-J300 7-2. BLOCK DIAGRAM – CD SECTION – 3 7 6 3 1 5 1 5 0 IC503 IC551 SELECTOR DIGITAL OPTICAL SECTION Q102 (Page 44) SWITCH IC101 OPTICAL PICK-UP DIGITAL SERVO, IC103 BLOCK DIGITAL SIGNAL PROCESSOR RF AMP...

  • Page 43: Block Diagram - Main Section

    HCD-J300 BLOCK DIAGRAM – MAIN SECTION – 3 7 6 3 1 5 1 5 0 MD-L • R-CH is omitted due to same as L-CH. SECTION IC301 • Signal Path SOUND PROCESSOR (Page 44) : FM LINEOUT1 REC-L...

  • Page 44: Block Diagram - Md Section

    HCD-J300 BLOCK DIAGRAM – MD SECTION – 3 7 6 3 1 5 1 5 0 IC151 (1/2) IC181, Q181 182 EFMO ADDT OVER WRITE HEAD DRIVE DADTI FILI SAMPLING DADTI HR901 SCTX RATE OVER WRITE HEAD XBCKI XBCKI...

  • Page 45: Block Diagram - Panel Section

    HCD-J300 BLOCK DIAGRAM – PANEL SECTION – 3 7 6 3 1 5 1 5 0 IC306(2/3) LCD801 MASTER CONTROL IC801 LIQUID CRYSTAL DISPLAY UNIT REMOTE SIRCS SENSOR XC-IN PC POWER J302 LCD-DATA X801 PC LINK Q302 32.768kHz XC-OUT...

  • Page 46: Printed Wiring Board - Cd Board

    HCD-J300 7-3. PRINTED WIRING BOARD – CD BOARD – • See page 40 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 S101 (LIMIT IN) IC702 (DVC1.65V) (TE) (XPCK) IC101 (RFAC) IC103 1 3 9 4 2 2 9 6 5 1 3...

  • Page 47: Schematic Diagram - Cd Board

    HCD-J300 7-4. SCHEMATIC DIAGRAM – CD BOARD – • See page 41 for Waveforms. 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 X101 33.8688MHz w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 48: Printed Wiring Board - Bd Board

    HCD-J300 7-5. PRINTED WIRING BOARD – BD BOARD – • See page 40 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 (Page 56) (Page 56) DIGITAL DIGITAL BOARD BOARD CN1004 CN1003 IC181 IC195 IC190...

  • Page 49: Schematic Diagram - Bd Board (1/2)

    HCD-J300 7-6. SCHEMATIC DIAGRAM – BD BOARD (1/2) – • See page 41 for Waveforms. • See page 63 for IC Pin Function Description. 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3...

  • Page 50: Schematic Diagram - Bd Board (2/2)

    HCD-J300 7-7. SCHEMATIC DIAGRAM – BD BOARD (2/2) – • See page 41 for Waveforms. • See page 64 for IC Pin Function Description. 3 7 6 3 1 5 1 5 0 (Page 57) 1 3 9 4 2 2 9 6 5 1 3...

  • Page 51: Printed Wiring Boards - Audio Section

    HCD-J300 7-8. PRINTED WIRING BOARDS – AUDIO SECTION – • See page 40 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 (Page 58) CN801 (AEP,UK) (AEP,UK) (AEP,UK) IC306 (AEP,UK) IC309 IC307 CN304 (Page 58)

  • Page 52: Schematic Diagram - Audio Section (1/2)

    HCD-J300 7-9. SCHEMATIC DIAGRAM – AUDIO SECTION (1/2) – • See page 41 for Waveforms. • See page 61 for IC Block Diagrams. • See page 67 for IC Pin Function Description. 3 7 6 3 1 5 1 5 0...

  • Page 53: Schematic Diagram - Audio Section (2/2)

    HCD-J300 7-10. SCHEMATIC DIAGRAM – AUDIO SECTION (2/2) – • See page 61 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 (Page 59) IC B/D IC B/D 1 3 9 4 2 2 9 6 5 1 3...

  • Page 54: Printed Wiring Board - Tc Board

    HCD-J300 7-11. PRINTED WIRING BOARD – TC BOARD – • See page 40 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 CN303 (Page 51) IC401 1 3 9 4 2 2 9 6 5 1 3 IC402 •...

  • Page 55: Schematic Diagram - Tc Board

    HCD-J300 7-12. SCHEMATIC DIAGRAM – TC BOARD – • See page 61 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 IC B/D (Page 52) 1 3 9 4 2 2 9 6 5 1 3...

  • Page 56: Printed Wiring Board - Digital Board

    HCD-J300 7-13. PRINTED WIRING BOARD – DIGITAL BOARD – • See page 40 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 IC1006 IC1005 CN301 (Page 51) IC1001 1 3 9 4 2 2 9 6 5 1 3 IC1004 •...

  • Page 57: Q Q

    HCD-J300 7-14. SCHEMATIC DIAGRAM – DIGITAL BOARD – • See page 41 for Waveforms. • See page 62 for IC Block Diagrams. • See page 69 for IC Pin Function Description. 3 7 6 3 1 5 1 5 0...

  • Page 58: Printed Wiring Boards - Control Section

    HCD-J300 7-15. PRINTED WIRING BOARDS – CONTROL SECTION – • See page 40 for Circuit Boards Location. 3 7 6 3 1 5 1 5 0 • Semiconductor Location Ref. No. Location D811 D812 D814 D822 (Page 51) D823...

  • Page 59: Schematic Diagram - Control Board

    HCD-J300 7-16. SCHEMATIC DIAGRAM – CONTROL SECTION – 3 7 6 3 1 5 1 5 0 (Page 53) 1 3 9 4 2 2 9 6 5 1 3 (Page 52) (Page 52) w w w u 1 6 3...

  • Page 60: Printed Wiring Board - Power Board

    HCD-J300 7-17. PRINTED WIRING BOARD – POWER BOARD – 7-18. SCHEMATIC DIAGRAM – POWER BOARD – 3 7 6 3 1 5 1 5 0 • See page 40 for Circuit Boards Location. CNP307 (Page 51) (Page 52) 1 3 9 4 2 2 9 6 5 1 3...

  • Page 61: Ic Block Diagrams

    HCD-J300 3 7 63 1515 0 7-19. IC BLOCK DIAGRAMS IC101, 201 TDA7296 IC307 KA3082 THERMAL BIPOLAR SHUTDOWN DRIVER OUT TRANSCONDACTANCE INPUT STAGE MOS GAIN & SHORT – LEVEL SHIFTING OUTPUT CIRCUIT STAGE STAGE PROTECTION PRE DRIVER STANDBY/ MUTE...
  • Page 62 HCD-J300 3 7 63 1515 0 IC1004 BA6209N FORWARD /REVERSE MOTOR MOTOR CONTROL DRIVE DRIVE 7 8 9 IC1005 µDA1360TS VDDA VSSA 14 FSEL VINL CLOCK – CONTROL VREF CANCELLATION DECIMATION FILTER FILTER 13 DATAO DIGITAL VINR – 12 WS...

  • Page 63: Ic Pin Function Description

    HCD-J300 3 7 63 1515 0 7-20. IC PIN FUNCTION DESCRIPTION • IC101 CXA2523AR RF AMPLLFLER (BD BOARD) Pin No. Pin Name Description I-V converted RF signal I input I-V converted RF signal J input Middle point voltage (+1.5V) generation output...
  • Page 64 HCD-J300 3 7 63 1515 0 • IC151 CXD2662R DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR (BD BOARD) Pin No. Pin Name Description Function FOK signal output to the system control (monitor output) MNT0 (FOK) “H” is output when focus is on (Not used)
  • Page 65 HCD-J300 3 7 63 1515 0 Pin No. Pin Name Description Data input/output for DRAM 50, 51 D2, D3 MVCI I (S) Clock input from an external VCO (Fixed at “L”) ASYO Playback EFM duplex signal output ASYI I (A)
  • Page 66 HCD-J300 3 7 63 1515 0 Pin No. Pin Name Description TFDR Tracking servo drive PWM output (+) DVDD — +3V power supply (Digital) FFDR Focus servo drive PWM output (+) FRDR Focus servo drive PWM output (–) 176.4 kHz clock signal output (X’tal) (Not used) SRDR Sled servo drive PWM output (–)
  • Page 67 HCD-J300 3 7 63 1515 0 • IC306 M30622MGA-A66FP MASTER CONTROL (MAIN BOARD) Pin No. Pin Name Description AC-CUT AC CUT ON/OFF check signal input (L=ON,H=OFF) POWER-ON Power relay ON/OFF signal output (H=ON,L=OFF) XTSL XTSL signal output for IC101...
  • Page 68 HCD-J300 3 7 63 1515 0 Pin No. Pin Name Description H/P_CHECK Headphone detect signal input H/P_MUTE Headphone muting control signal output AMP_MUTE Power amplifier muting control signal output (L=ON,H=OFF) VOL_CLK Volume clock signal output VOL_DATA Volume data signal output...
  • Page 69 HCD-J300 3 7 63 1515 0 • IC1001 M30805MG-205GP SYSTEM CONTROL (DIGITAL BOARD) Pin No. Pin Name Description — — Not used — — Not used LVLI — Not used LVL0 — Not used (TXD3) — Not used (RXD3) —...
  • Page 70 HCD-J300 3 7 63 1515 0 Pin No. Pin Name Description — — Not used — — Not used — — Not used — Not used MNT2 (XBUSY) In the state of executive command from the CXD2662R VSS2 —...

  • Page 71: Exploded Views

    HCD-J300 SECTION 8 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • -XX, -X mean standardized parts, so they may • Abbreviation The components identified by mark 0 or have some differences from the original one. : Hong Kong model dotted line with mark 0 are critical for safety.
  • Page 72 HCD-J300 3 7 63 1515 0 8-2. TOP PANEL SECTION supplied not supplied not supplied L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-823-094-11 WIRE (FLAT TYPE) (18 CORE) X-4953-925-1 HOLDER ASSY, CASSETTE (WHITE) (AEP, UK)
  • Page 73 HCD-J300 3 7 63 1515 0 8-3. FRONT PANEL SECTION-1 not supplied not supplied MDM-7B not supplied L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-232-478-01 FOOT 1-757-944-11 CABLE, FLEXIBLE FLAT (17 CORE)
  • Page 74 HCD-J300 3 7 63 1515 0 8-4. FRONT PANEL SECTION-2 L 13942296513 supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-235-207-01 BOLT (M3) 4-235-202-01 LCD HOLDER (R) 4-226-047-01 NUT, HEXAGON 1-682-096-11 LED BOARD X-4953-932-1 FRONT (W) ASSY (WHITE)
  • Page 75 HCD-J300 3 7 63 1515 0 8-5. REAR PANEL SECTION supplied supplied supplied T902 supplied CDM55F-K4BD43 L 13942296513 supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-232-478-01 FOOT A-4726-246-A MAIN BOARD, COMPLETE (AEP, UK)
  • Page 76 HCD-J300 3 7 63 1515 0 8-6. CD MECHANISM DECK-1 (CDM55F-K4BD43) M901 L 13942296513 BU-K4BD43 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-925-315-31 DAMPER 4-220-237-01 GEAR (A) 4-224-894-01 TRAY 4-221-815-01 ROLLER 1-676-599-11 LOADING BOARD...
  • Page 77 HCD-J300 3 7 63 1515 0 8-7. CD MECHANISM DECK-2 (BU-K4BD43) L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-221-817-02 SHAFT (BU) 4-229-005-01 INSULATOR 4-231-780-01 HOLDER (213D) 4-985-672-01 SCREW (+PTPWHM2.6), FLOATING 0 458...
  • Page 78 HCD-J300 3 7 63 1515 0 8-8. MD MECHANISM DECK-1 (MDM-7B) supplied supplied not supplied L 13942296513 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 701 4-996-267-01 BASE (BU-D) 4-227-012-01 SPRING (HOLDER), TENSION 4-231-319-01 SCREW (2X6) CZN, +B (P) TRI...
  • Page 79 HCD-J300 3 7 63 1515 0 8-9. MD MECHANISM DECK-2 (MDM-7B) HR901 S102 M101 L 13942296513 M102 M103 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-231-319-01 SCREW (2X6) CZN, +B (P) TRI 4-226-992-01 BASE, SL 3-372-761-01 SCREW (M1.7), TAPPING...

  • Page 80: Electrical Parts List

    HCD-J300 SECTION 9 ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in the • CAPACITORS: When indicating parts by reference number, uF: µF parts list may be different from the parts please include the board name.
  • Page 81 HCD-J300 3 7 63 1515 0 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...
  • Page 82 HCD-J300 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < VIBRATOR > C244 1-164-360-11 CERAMIC CHIP 0.1uF C245 1-126-204-11 ELECT CHIP 47uF X171 1-781-569-21 OSCILLATOR, CRYSTAL (90MHz) C247 1-164-227-11 CERAMIC CHIP 0.022uF...
  • Page 83 HCD-J300 CONTROL 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R217 1-216-829-11 METAL CHIP 4.7K 1/16W D824 8-719-050-06 DIODE SLR-325MGT31 (CDBX) R218 1-216-821-11 METAL CHIP 1/16W D825 8-719-050-06 DIODE SLR-325MGT31 (TUNER, BAND)
  • Page 84 HCD-J300 CONTROL DIGITAL 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R843 1-216-845-11 METAL CHIP 100K 1/16W C1011 1-163-038-00 CERAMIC CHIP 0.1uF R852 1-216-822-11 METAL CHIP 1.2K 1/16W C1012 1-126-933-11 ELECT...
  • Page 85 HCD-J300 DIGITAL HEAD PHONE 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TRANSISTOR > R2008 1-216-809-11 METAL CHIP 1/16W Q1001 1-801-806-11 TRANSISTOR DTC144EK-T146 < VIBRATOR > Q1002 8-729-602-36 TRANSISTOR...
  • Page 86 HCD-J300 LOADING MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-676-599-11 LOADING BOARD C203 1-126-963-11 ELECT 4.7uF ************** C204 1-126-963-11 ELECT 4.7uF C205 1-126-963-11 ELECT 4.7uF < CONNECTOR >...
  • Page 87 HCD-J300 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C311 1-104-665-11 ELECT 100uF C364 1-162-961-11 CERAMIC CHIP 330PF (TW) (AEP,UK) C311 1-162-927-11 CERAMIC CHIP 100PF C365 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 88 HCD-J300 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > FB311 1-414-813-11 FERRITE 0uH (AEP,UK,HK,SP) FB312 1-216-864-11 METAL CHIP 1/16W D301 8-719-929-15 DIODE MTZJ-T-77-9.1B (TW) (TW) D302...
  • Page 89 HCD-J300 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks JR305 1-216-864-11 METAL CHIP 1/16W R108 1-216-827-11 METAL CHIP 3.3K 1/16W JR306 1-216-864-11 METAL CHIP 1/16W R109 1-249-421-11 CARBON 2.2K...
  • Page 90 HCD-J300 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R300 1-216-813-11 METAL CHIP 1/16W R357 1-216-821-11 METAL CHIP 1/16W R301 1-249-410-11 CARBON 1/4W F R358 1-216-821-11 METAL CHIP 1/16W...
  • Page 91 HCD-J300 MAIN OPTICAL POWER 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R450 1-216-821-11 METAL CHIP 1/16W 1-682-097-11 OPTICAL BOARD R452 1-216-821-11 METAL CHIP 1/16W ************** R453 1-216-821-11 METAL CHIP...
  • Page 92 HCD-J300 POWER 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CONNECTOR > < TRANSFORMER > CN901 1-564-321-00 PIN, CONNECTOR 2P 0 T901 1-437-251-11 TRANSFORMER, POWER (AEP,UK) * CN902 1-764-333-11 PLUG, CONNECTOR 10P...
  • Page 93 HCD-J300 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TRANSISTOR > < TRANSFORMER > Q401 8-729-212-02 TRANSISTOR KTC3203Y-AT T401 1-433-372-11 TRANSFORMER, BIAS OSCILLATION Q402 8-729-037-02 TRANSISTOR KTA1266Y-AT T402 1-419-080-11 COIL...
  • Page 94 HCD-J300 3 7 63 1515 0 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page.

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