Sony HCD-E301 Service Manual

Compact disc deck receiver
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SERVICE MANUAL
Ver 1.1 2002.10
HCD-E301 is the amplifier, CD player, tape
deck and tuner section in CMT-E301.
Amplifier section
DIN power output (rated) 4.5 + 4.5 W
(4
at 1 kHz, DIN)
Continuous RMS power output (reference)
5 + 5 W
(4
at 1 kHz, 10% THD)
Music power output (reference)
13 + 13 W
CD player section
System
Compact disc and digital
audio system
Laser
Semiconductor laser
( =780 nm)
Emission duration:
continuous
Frequency response
20 Hz - 20 kHz ( 0.5 dB)
Tape player section
Recording system
4-track 2-channel stereo
Frequency response
50 - 13 000 Hz ( 3 dB),
using Sony TYPE I
cassette
Sony Corporation
9-873-906-12
2002J0500-1
Home Audio Company
C 2002.10
Published by Sony Engineering Corporation
Model Name Using Similar Mechanism
CD
Section
CD Mechanism Type
Model Name Using Similar Mechanism
TAPE
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 - 108.0 MHz
Antenna
FM lead antenna
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
531 -1 602 kHz
(with the interval set at
9 kHz)
Antenna
Built-in ferrite bar antenna
Intermediate frequency
450 kHz
COMPACT DISC DECK RECEIVER
HCD-E301
General
Power requirements
230 V AC, 50/60 Hz
Power consumption
30 W
0.9 W (in the standby
mode)
Dimensions (w/h/d):
Approx. 145 238 238 mm
Mass:
Approx. 2.8 kg
Design and specifications are subject to change
without notice.
AEP Model
HCD-EP30
CS-21SC-1280
HCD-EP30
TCM125-2

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Summary of Contents for Sony HCD-E301

  • Page 1 HCD-E301 SERVICE MANUAL AEP Model Ver 1.1 2002.10 HCD-E301 is the amplifier, CD player, tape deck and tuner section in CMT-E301. Model Name Using Similar Mechanism HCD-EP30 Section CD Mechanism Type CS-21SC-1280 Model Name Using Similar Mechanism HCD-EP30 TAPE Section...
  • Page 2: Table Of Contents

    LINE WITH 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 APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.
  • Page 3: Servicing Notes

    HCD-E301 SECTION 1 SERVICING NOTES TO PREVENT ‘TAPE OSCILLATION SOUND AT VOLUME’ NOTES ON HANDLING THE OPTICAL PICK-UP MAXIMUM SETTING (W/O TAPE) BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electro- Headphone wire dressing: static break-down because of the potential difference generated a.) Draw the wire from Main board to Headphone Jack board along...
  • Page 4: General

    HCD-E301 SECTION 2 This section is extracted from instruction manual. GENERAL LOCATION OF CONTROLS – Front Panel – 1 2 3 4 5 6 ql qk qj qh Cassette compartment qd (12) Remote sensor wk BUTTON DESCRIPTIONS CD 4 (8, 9, 13, 15)
  • Page 5: Remote Control

    HCD-E301 Remote Control Setting the time Turn on the system. 1 2 3 4 Press CLOCK/TIMER/SLEEP SET on the remote. The clock indication appears. Press TUNING/CLOCK/TIMER + or — on the remote repeatedly to set the time. Press ENTER/PGM (TUNER MEM/ ENTER/PGM on the remote).
  • Page 6: Disassembly

    HCD-E301 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. FRONT PANEL SECTION (Page 7) 3-6. TAPE MECHANISM DECK 3-3. MAIN BOARD 3-4. CD CABINET SECTION (TCM125-2) (Page 7) (Page 8) (Page 9) 3-5.
  • Page 7: Front Panel Section

    HCD-E301 Note: Follow the disassembly procedure in the numerical order given. 3-2. FRONT PANEL SECTION 2 antenna cover cabinet 3 two screws (BTP2.6 6 claw 5 two screws (+K3 1 screw (BVTP3 8 connector (CN203) 4 two screws (BVTP3 5 two screws...
  • Page 8: Cd Cabinet Section

    HCD-E301 3-4. CD CABINET SECTION 2 CD cabinet section 1 two screws (BTP2.6 3-5. CD MECHANISM DECK (CS-21SC-1280) 7 vibration proof rubber 6 two spring clamps (brown) 8 CD mechanism deck (CS-21SC-1280) 6 two spring clamps 7 vibration proof rubber...
  • Page 9: Tape Mechanism Deck (Tcm125-2)

    HCD-E301 3-6. TAPE MECHANISM DECK (TCM125-2) 2 two screws (BTP2.6 1 connector (CN701) 6 two screws (BVTP3 7 tape mechanism deck (TCM125-2) 4 cassette board 6 two screws (BVTP3 5 Open the cassette lid. 3-7. CASSETTE LID 2 claw 1 Open the cassette lid.
  • Page 10: Mechanical Adjustments

    HCD-E301 SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION PRECAUTION 1. Clean the following parts with a denatured-alcohol-moistened 1. Setting swab : MEGA BASS switch : OFF record/playback head pinch roller erase head rubber belts TAPE DECK SECTION 0 dB=0.775 V...
  • Page 11 HCD-E301 Record/Playback Head Azimuth Adjustment Adjustment Location: Record/Playback/Erase Head. Procedure: 1. Mode: Playback (FWD) test tape P-4-A063 level meter (6.3 kHz, –10 dB) – HEADPHONE board PHONES jack (JK401) 2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak.
  • Page 12 HCD-E301 Adjustment Location and Connecting Points TUNER SECTION 0 dB=1 V [AM] – MAIN BOARD (Component Side) – Setting: Function : TUNER Band switch : AM Put the lead-wire AM RF signal antenna close to generator level meter the set.
  • Page 13: Diagrams

    HCD-E301 SECTION 6 DIAGRAMS 6-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: • W : indicates side identified with part number. • All capacitors are in F unless otherwise noted. pF: MAIN board •...
  • Page 14: Schematic Diagram - Main Board (1/2)

    HCD-E301 6-2. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • • See page 21 for Waveform. See page 22 for IC Block Diagrams. L104 TP10 MAIN BOARD (1/2) FM FREQUENCY (FM VT) COVERAGE Q101 R112 IC101 FM OSC BUFFER 3.3k...
  • Page 15: Schematic Diagram - Main (2/2)/Headphone Boards

    HCD-E301 6-3. SCHEMATIC DIAGRAM – MAIN (2/2)/HEADPHONE Boards – • See page 22 for IC Block Diagram. MAIN BOARD (Page 14) (1/2) (Page 19) (Page 19) MAIN BOARD (2/2) CN201 DISPLAY DISPLAY BOARD BEAT BOARD * CD * SUPPLIED AS THE...
  • Page 16: Printed Wiring Boards - Main/Headphone Boards

    HCD-E301 6-4. PRINTED WIRING BOARDS – MAIN/HEADPHONE Boards – • See page 13 for Circuit Boards Location. • Semiconductor Location Ref. No. Location L110 AM FERRITE-ROD D101 ANTENNA D102 D103 D104 D105 MAIN BOARD T102 D302 D303 L103 FM RF...
  • Page 17: Printed Wiring Board - Cassette Board

    HCD-E301 6-5. PRINTED WIRING BOARD – CASSETTE Board – • 6-6. SCHEMATIC DIAGRAM – CASSETTE Board – See page 13 for Circuit Boards Location. • See page 21 for Waveforms. • See page 22 for IC Block Diagram. CASSETTE BOARD...
  • Page 18: Printed Wiring Board - Display Board

    HCD-E301 6-7. PRINTED WIRING BOARD – DISPLAY Board – • See page 13 for Circuit Boards Location. • Semiconductor Location Ref. No. Location DISPLAY BOARD IC603 D619 TIMER D621 D601 LIQUID CRYSTAL DISPLAY D602 D604 D607 D608 REM601 IC601 D609...
  • Page 19: Schematic Diagram - Display Board

    HCD-E301 6-8. SCHEMATIC DIAGRAM – DISPLAY Board – • See page 21 for Waveform. DISPLAY BOARD IC603 LIQUID CRYSTAL DISPLAY D619 RESET SIGNAL SEL2215S-CD TIMER SW611 GENERATOR SW601 SW612 SW613 SW608 REMAIN IC603 I /1 TAPE TUNER P5290 SW614 SW621 SW622...
  • Page 20: Schematic Diagram - Power Board

    HCD-E301 6-9. SCHEMATIC DIAGRAM – POWER Board – POWER BOARD Q404 +6V REGULATOR TR402 POWER C421 0.001 250V TRANSFORMER 2SD1616-L RL401 MTZJ-6.8B 2.2k 2.2k 2SD1616-L Q401–403 POWER ON/OFF C404 0.022 RELAY DRIVE B GND TR401 MAIN BOARD POWER (2/2) TRANSFORMER...
  • Page 21: Printed Wiring Board - Power Board

    HCD-E301 6-10. PRINTED WIRING BOARD – POWER Board – • Waveforms See page 13 for Circuit Boards Location. – DISPLAY Board – – MAIN Board – – CASSETTE Board – 1 IC102 ws (XOUT) 1 Q705 (Collector) 1 IC601 tl (X2)
  • Page 22 HCD-E301 • IC Block Diagrams IC203 LC75392 – MAIN Board – LVROUT RVROUT IC101 LA1823 LVRIN RVRIN GND2 VCC2 MUTE LTOUT RTOUT PHASE PILOT – – – DECODER COMP LTCOM RTCOM ST SW LATCH TRIG DECODER S-METER BUFFER SHIFT BUFFER...
  • Page 23: Ic Pin Function Description

    HCD-E301 6-11. IC PIN FUNCTION DESCRIPTION DISPLAY BOARD IC601 PD753016AGC-F31-3B9 (SYSTEM CONTROLLER, LIQUID CRYSTAL DISPLAY DRIVER) Pin No. Pin Name Description 1 to 20 S12 to S31 Segment drive signal output to the liquid crystal display (D621) 21 to 24 COM0 to COM3...
  • Page 24: Exploded Views

    HCD-E301 SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 25: Front Panel Section-1

    HCD-E301 7-2. FRONT PANEL SECTION-1 not supplied Front panel section-2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-235-953-01 VOL. SWING KNOB A-4726-711-A CASSETTE BOARD, COMPLETE 4-235-950-01 SWING SHAFT 4-235-947-01 CASS PWB MOUNTING BKT (B) 4-235-939-01 VOL. DECORATION RING...
  • Page 26: Front Panel Section-2

    HCD-E301 7-3. FRONT PANEL SECTION-2 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-235-995-01 RUBBER FOOT 4-235-962-01 SKIP/SEARCH KNOB 4-235-975-01 FRONT PANEL 4-235-943-01 MAIN PWB MOUNTING BKT (B) A-4726-714-A HEADPHONE BOARD, COMPLETE A-4726-785-A DISPLAY BOARD, COMPLETE...
  • Page 27: Cd Cabinet Section

    HCD-E301 Ver 1.1 7-4. CD CABINET SECTION SW600 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-235-971-01 PLASTIC COVER 4-235-970-01 NSX1 PUSH ROD 4-236-280-01 RUBBER, VIBRATION PROOF (PINK) 4-235-990-01 CD EJECT SPRING 4-235-991-01 PULLEY SCREW...
  • Page 28: Electrical Parts List

    HCD-E301 SECTION 8 ELECTRICAL PARTS LIST CASSETTE NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 29 HCD-E301 CASSETTE DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R733 1-249-429-11 CARBON 1/4W D615 8-719-991-33 DIODE 1SS133T-77 R734 1-249-437-11 CARBON 1/4W D616 8-719-991-33 DIODE 1SS133T-77 R735 1-249-435-11 CARBON 1/4W D617 8-719-991-33 DIODE 1SS133T-77 R736...
  • Page 30 HCD-E301 DISPLAY HEADPHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R640 1-249-417-11 CARBON 1/4W A-4726-786-A MAIN BOARD, COMPLETE R641 1-249-437-11 CARBON 1/4W ********************* R642 1-249-433-11 CARBON 1/4W R643 1-249-433-11 CARBON 1/4W 1-424-881-11 AM BAR ANT...
  • Page 31 HCD-E301 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C167 1-162-290-31 CERAMIC 470PF C181 1-102-962-00 CERAMIC 30PF C319 1-126-961-11 ELECT 2.2uF C190 1-102-962-00 CERAMIC 30PF C320 1-126-961-11 ELECT 2.2uF C321 1-126-961-11 ELECT 2.2uF C201 1-127-872-11 CERAMIC...
  • Page 32 HCD-E301 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L110 1-424-878-11 COIL (ANT) R147 1-249-421-11 CARBON 2.2K 1/4W R148 1-249-426-11 CARBON 5.6K 1/4W L143 1-414-142-11 INDUCTOR L301 1-410-525-11 INDUCTOR 220uH R150 1-249-417-11 CARBON 1/4W R151...
  • Page 33 HCD-E301 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R258 1-247-855-11 CARBON 1/4W ZD304 8-719-110-17 DIODE RD10ESB2 R262 1-249-437-11 CARBON 1/4W ZD305 8-719-109-93 DIODE RD6.2ESB2 R263 1-249-437-11 CARBON 1/4W ************************************************************** R264 1-249-422-11 CARBON 2.7K...
  • Page 34 HCD-E301 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RELAY > 0 RL401 1-755-446-11 RELAY < TRANSFORMER > 0 TR402 1-437-462-11 TRANSFORMER, POWER < DIODE > ZD401 8-719-109-97 DIODE RD6.8ES-B2 ************************************************************** MISCELLANEOUS ************** 1-555-750-00 CORD, POWER...
  • Page 35 HCD-E301 MEMO...
  • Page 36 HCD-E301 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. Ver. Date Description of Revision 2001.05...

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