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SERVICE MANUAL
Ver 1.0 2003. 04
HCD-EP313 is the Amplifier, CD player, Tape
Deck and Tuner section in CMT-EP313.
Amplifier section
AUDIO POWER SPECIFICATIONS:
(U.S.A. model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6-ohm loads, both channels driven, from 120 -
10,000 Hz; rated 10 watts per channel minimum RMS
power, with no more than 10% total harmonic
distortion from 250 milliwatts to rated output.
North American model:
Continuous RMS power output (reference):
10 + 10 W
(6 ohms at 1 kHz, 10%
THD)
European model:
DIN power output (rated): 7 + 7 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
10 + 10 W
(6 ohms at 1 kHz, 10%
THD)
Music power output (reference):
20 + 20 W
Other models:
The following measured at AC 230 V or AC 120 V, 50/
60 Hz
DIN power output (rated): 7 + 7 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
10 + 10 W
(6 ohms at 1 kHz, 10%
THD)
Sony Corporation
9-877-237-01
2003D167800-1
Home Audio Company
© 2003.04
Published by Sony Engineering Corporation
HCD-EP313
Model Name Using Similar Mechanism
CD Mechanism Type
CD
Section
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
TAPE
Section
Tape Transport Mechanism Type

SPECIFICATIONS

Inputs
MD IN (phono jacks):
Sensitivity 500 mV,
impedance 47 kilohms
Outputs
PHONES (stereo minijack):
Accepts headphones with
an impedance of 8 ohms or
more
SPEAKER:
Accepts impedance of 6 to
16 ohms.
CD player section
System
Compact disc and digital
audio system
Laser
Semiconductor laser
λ
(
=780 nm)
Emission duration:
continuous
Frequency response
2 Hz – 20 kHz (±0.5 dB)
Tape deck section
Recording system
4-track 2-channel stereo
Frequency response
50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz (50-kHz
step)
MICRO HI-FI COMPONENT SYSTEM
US Model
Canadian Model
AEP Model
UK Model
NEW
KSM-213EDP
BU-K7BD44B
KSS-213E/C2N
NEW
ADR2080FR4
Antenna
FM lead antenna
Antenna terminals
75 ohms balanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Pan-American model:
530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,710 kHz
(with the tuning interval
set at 9 kHz)
European model:
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
Other models:
530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
Antenna
AM loop antenna, external
antenna terminal
Intermediate frequency
450 kHz
— Continued on next page —
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Table of Contents

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   Summary of Contents for Sony HCD-EP313

  • Page 1: Specifications

    SERVICE MANUAL US Model Canadian Model Ver 1.0 2003. 04 AEP Model UK Model HCD-EP313 is the Amplifier, CD player, Tape Deck and Tuner section in CMT-EP313. Model Name Using Similar Mechanism CD Mechanism Type KSM-213EDP Section Base Unit Name...

  • Page 2: Table Of Contents

    LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.

  • Page 3: Servicing Notes

    HCD-EP313 SECTION 1 SERVICING NOTES Notes on chip component replacement CAUTION • Never reuse a disconnected chip component. Use of controls or adjustments or performance of procedures • Notice that the minus side of a tantalum capacitor may be dam- other than those specified herein may result in hazardous aged by heat.
  • Page 4 HCD-EP313 Service Position of the CD Mechanism Deck Service Position of the Tape Cassette Mechanism Deck...

  • Page 5: General

    HCD-EP313 SECTION 2 GENERAL This section is extracted from instruction manual. List of button locations and reference pages How to use this page Illustration number Use this page to find the location of buttons and other DISPLAY wd (9, 14) parts of the system that are mentioned in the text.

  • Page 6: Setting The Clock

    HCD-EP313 Remote control ALPHABETICAL ORDER BUTTON DESCRIPTIONS ?/1 (power) 1 (5, 9, 13) A – M P – Z m/M (fast forward/rewind) BASS +/– 0 (12) PLAY MODE/DIRECTION qd 6 (6) CLEAR 8 (8, 9) (6, 7) ./> (go back/go forward) PRESET +/–...

  • Page 7: Disassembly

    HCD-EP313 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. REAR CABINET CD CABINET SECTION CD MECHANISM DECK (KSM-213EDP) OPTICAL PICK-UP FRONT PANEL SECTION (KSS-213E/C2N) CONTROL BOARD, TAPE MECHANISM DECK MAIN BOARD, BACK LIGHT BOARD...

  • Page 8: Cd Cabinet Section

    HCD-EP313 3-2. CD Cabinet Section 7 CD cabinet section 6 connector 2p (CN101) 1 screw (+BVTP 3 × 8) 4 two claws 2 w ire (flat type) 21p (CN101) 3 two claws 3-3. Front Panel Section 4 connector 30p (CN202) (board to board)

  • Page 9: Control Board, Back Light Board

    HCD-EP313 3-4. CONTROL Board, BACK LIGHT Board 3 nine screws (+BVTP 3 × 8) 5 CONTROL board 4 w ire (flat type) 21p (CN301) 8 BACK LIGHT board 2 screw 6 two claws 1 volume knob (+BVTP 3 × 10)

  • Page 10: Cassette Door Assy

    HCD-EP313 3-6. Cassette Door Assy 2 cassette door assy 1 two claws 3-7. MAIN Board, POWER Board 2 screw 3 MAIN board 5 four screws (+BVTP 3 × 8) (+BVTP 4 × 12) 6 shield plate trans 1 connector 4 PT PWB cover...

  • Page 11: Cd Mechanism Deck (ksm-213edp)

    HCD-EP313 3-8. CD Mechanism Deck (KSM-213EDP) 5 panel CD 4 three claws 3 two screws (+PWH 2.6 × 10) 6 two cushion rubbers q; w ire (flat type) 16p (CN102) qs CD mechanism deck (KSM-213EDP) 2 two screws (+PWH 2.6 × 10)

  • Page 12: Mechanical Adjustments

    HCD-EP313 SECTION 4 MECHANICAL ADJUSTMENTS Precaution Clean the following parts with a denatured alcohol-moistened swab: record/playback heads pinch rollers erase head rubber belts capstan idlers Demagnetize the record/playback head with a head demag- netizer. Do not use a magnetized screwdriver for the adjustments.

  • Page 13: Electrical Adjustments

    HCD-EP313 SECTION 5 ELECTRICAL ADJUSTMENTS Mode: Playback DECK SECTION 0 dB=0.775V test tape Demagnetize the record/playback head with a head demagnetizer. MAIN board P-4-A100 J203 (10kHz, –10dB) Do not use a magnetized screwdriver for the adjustments. speaker terminal oscilloscope After the adjustments, apply suitable locking compound to the parts adjusted.
  • Page 14 HCD-EP313 RFDC signal waveform CD SECTION VOLT/DIV: 200 mV TIME/DIV: 500 ns Note: 1. CD Block is basically designed to operate without adjustment. There- fore, check each item in order given. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. level: 0.7 ± 0.2 Vp-p 3.
  • Page 15 HCD-EP313 E-F Balance Check Checking Location: Connection: – CD BOARD (Conductor Side) – oscilloscope CD board TP (TE) TP (DVC) – Procedure: Connect an oscilloscpe to test point TP (TE) and TP (DVC) on TP (VC) the CD board. AC is put in pushing CD button.

  • Page 16: Diagrams

    HCD-EP313 SECTION 6 DIAGRAMS • Circuit Boards Location • Waveforms – CD Board – – CONTROL Board – – MAIN Board – MAIN board IC103 qg (RFAC) IC301 0 8.6MHz OUT Q453,Q454 collector CD board (Rec mode) (CD Play Mode) 1.1Vp-p...

  • Page 17: Block Diagram

    HCD-EP313 6-1. Block Diagram PB/REC EQ AMP J201 IC601 R CH IC800 J202 AUX L OUT L PHONES µ CON TU L OUT R R-CH IC301 MUTE R-CH TAPE L Q401 CONT POWER AMP CD L Q601 REC OUT IC204...

  • Page 18: Printed Wiring Board - Cd Section

    HCD-EP313 6-2. Printed Wiring Board – CD Section – • See page 16 for Circuit Boards Location. • Semiconductor Location Ref. No. Location KSS-213E/C2N D101 IC101 IC102 IC103 M102 Q101 Q102 TP (VC) IC102 M101 IC103 TP (RFAC) TP (DVC)

  • Page 19: Schematic Diagram - Cd Section

    HCD-EP313 6-3. Schematic Diagram – CD Section – • See page 16 for Waveforms. • See page 28 for IC Block Diagrams. TP(VC) C150 KSS-213E/C2N (RF) M101 M102 C199 470p CONTROL CN301 (Page 25)

  • Page 20: (component Side)

    HCD-EP313 6-4. Printed Wiring Board – MAIN Section (COMPONENT SIDE) – • See page 16 for Circuit Boards Location. ANTENNA (TO TUNER UNIT) • Semiconductor Location MAIN BOARD Ref. No. Location (CD DOOR) (COMPONENT SIDE) D200 D201 D202 D203 D204...

  • Page 21: (conductor Side)

    HCD-EP313 6-5. Printed Wiring Board – MAIN Section (CONDUCTOR SIDE) – • See page 16 for Circuit Boards Location. • Semiconductor Location MAIN BOARD Ref. No. Location (CONDUCTOR SIDE) IC601 Q200 Q400 Q401 Q403 Q450 Q501 Q504 Q505 Q506 Q507...

  • Page 22: Schematic Diagram - Main Section

    HCD-EP313 6-6. Schematic Diagram – MAIN Section – • See page 16 for Waveform. • See page 29 for IC Block Diagram. (TO TUNER UNIT) MAIN BOARD ANTENNA (CD DOOR) J201 Q601,602 DSG SWITCH CN101 J202 IC800 PHONES HEAD PHONE...

  • Page 23: (component Side)

    HCD-EP313 6-7. Printed Wiring Board – CONTROL Section (COMPONENT SIDE) – • See page 16 for Circuit Boards Location. • Semiconductor Location Ref. No. Location CONTROL BOARD (COMPONENT SIDE) D301 D302 D303 (STANDBY) D304 BACK LIGHT BOARD D305 D306 D307...

  • Page 24: (conductor Side)

    HCD-EP313 6-8. Printed Wiring Board – CONTROL Section (CONDUCTOR SIDE) – • See page 16 for Circuit Boards Location. • Semiconductor Location Ref. No. Location CONTROL BOARD (CONDUCTOR SIDE) IC301 IC302 Q301 Q302 Q304 Q305 Q306 IC301 IC302 1-688-569...

  • Page 25: Schematic Diagram - Control Section

    HCD-EP313 6-9. Schematic Diagram – CONTROL Section – • See page 16 for Waveforms. CONTROL BOARD BACK LIGHT BOARD BACK LIGHT IC303 LIQUID SWITCH CRYSTAL REMOTE DISPLAY SENSOR SWITCH (STANDBY) I / 1 MAIN BOARD CN202 IC301 (Page 22) SYSTEM CONTROLLER >...

  • Page 26: Printed Wiring Board - Power Section

    HCD-EP313 6-10. Printed Wiring Board – POWER Section – • See page 16 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D901 TRANSFORMER BOARD D902 D903 D904 TO MAIN BOARD CNA201 (Page 20) POWER TRANSFORMER POWER TRANSFORMER : NOT REPLACEABLE...

  • Page 27: Schematic Diagram - Power Section

    HCD-EP313 6-11. Schematic Diagram – POWER Section – TRANSFORMER BOARD : N O T R E P L A C E A B L E B U I LT I N T R A N F O R M E R...
  • Page 28 HCD-EP313 • IC Block Diagrams – CD Board – IC101 CXD3017Q IC103 CXA2581N-T4 RW/ROM DC OFST RFDCI – ERROR – DIGITAL CORRECTOR RFDCO DIGITAL ASYMMETRY CORRECTOR OPERATIONAL LRCK AMPLIFIER ANALOG SWITCH PCMD INTERFACE DEMODULATOR – RW/ROM CONVERTER VOFST EMPH XVDD...
  • Page 29 HCD-EP313 – MAIN Board – IC601 BD3881FV IC204 LA4636 OUTPUT OUTPUT + – – INPUT INPUT 1 2 3...

  • Page 30: Ic Pin Function Description

    HCD-EP313 6-12. IC Pin Function Description • IC301 LC877140A (SYSTEM CONTROLLER) Pin No. Pin Name Description O-CLOCK Clock output to the CD unit I-SQSO SUB-Q data input from the CD unit O-PWM1 PWM1 signal output to the CD unit O-LDON...
  • Page 31 HCD-EP313 Pin No. Pin Name Description O-XLAT Latch signal output to the CD unit O-CDON CD power supply control signal output O-SQCK SUBQ clock output to the CD unit I-SENS SENS signal input from the CD unit I-STEREO Stereo/mono detection signal input from the tuner...

  • Page 32: Exploded Views

    HCD-EP313 SECTION 7 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark 0 or have some differences from the original one. in the exploded views are not supplied.

  • Page 33: Front Panel Section

    HCD-EP313 7-2. Front Panel Section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4737-466-A DOOR CASSETTE ASSY 4-245-248-01 BUTTON,CD SPRING, CASSETTE 4-245-250-01 BUTTON,BASS 4-245-244-01 HOLDER,CASSETTE 4-245-251-01 BUTTON,ENTER 4-238-631-01 TAPE SPRING KEY CASS, PLATE 4-245-239-01 CABINET,FRONT 4-245-252-01 BUTTON, CASSETTE...

  • Page 34: Cd Cabinet Section

    HCD-EP313 7-3. CD Cabinet Section S800 not supplied KSM-213EDP Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4737-468-A DOOR CD ASSY 4-246-193-01 HOLDER, CHUCK A SPRING, CD 4-246-191-01 PLATE, MAGNET 4-242-171-01 DAMPER 150 N 4-249-238-01 MAGNET...

  • Page 35: Optical Pick-up Block (ksm-213edp)

    HCD-EP313 7-4. Optical Pick-up Block (KSM-213EDP) M102 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 2-626-908-01 SHAFT, SLED 2-627-003-01 GEAR GEAR (B) (RP) 0 604 8-820-053-03 OPTICAL PICK-UP KSS-213E/C2N 3-713-786-51 SCREW +P 2X3 2-626-907-11 GEAR (A)

  • Page 36: Electrical Parts List

    HCD-EP313 SECTION 8 BACK LIGHT ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS • Abbreviation parts list may be different from the parts All resistors are in ohms. CND : Canadian model specified in the diagrams or the components...
  • Page 37 HCD-EP313 CONTROL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > A-4732-942-A CONTROL BOARD, COMPLETE (AEP,UK) ************************ R101 1-216-821-11 METAL CHIP 1/16W A-4732-948-A CONTROL BOARD, COMPLETE (US,CND) R102 1-216-845-11 METAL CHIP 100K 1/16W ************************...
  • Page 38 HCD-EP313 CONTROL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks D306 8-719-991-33 DIODE 1SS133T-72 R305 1-216-821-11 METAL CHIP 1/16W D307 8-719-991-33 DIODE 1SS133T-72 R306 1-216-821-11 METAL CHIP 1/16W D308 8-719-991-33 DIODE 1SS133T-72 R307 1-216-809-11 METAL CHIP...
  • Page 39 HCD-EP313 CONTROL MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R366 1-247-887-00 CARBON 220K 1/4W C222 1-126-947-11 ELECT 47uF 20.00% 25V R367 1-216-841-11 METAL CHIP 1/16W C223 1-126-962-11 ELECT 3.3uF 20.00% 50V R368 1-216-835-11 METAL CHIP...
  • Page 40 HCD-EP313 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C650 1-164-218-11 CERAMIC CHIP 180PF 0.25PF 50V D404 8-719-991-33 DIODE 1SS133T-72 C651 1-126-961-11 ELECT 2.2uF 20.00% 50V D405 8-719-109-89 DIODE MTZJ-T-72-5.6B C652 1-126-961-11 ELECT 2.2uF 20.00% 50V...
  • Page 41 HCD-EP313 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q502 6-550-296-01 TRANSISTOR 2SA1980G R441 1-216-817-11 METAL CHIP 1/16W Q504 8-729-901-05 TRANSISTOR DTA124EK R442 1-249-425-11 CARBON 4.7K 1/4W F Q505 8-729-045-62 TRANSISTOR 2SK2158-T2B R443 1-216-807-11 METAL CHIP...
  • Page 42 HCD-EP313 MAIN TRANSFORMER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R652 1-216-822-11 METAL CHIP 1.2K 1/16W < COIL > R655 1-216-836-11 METAL CHIP 1/16W 0 L901 R656 1-216-836-11 METAL CHIP 1/16W R657 1-216-852-11 METAL CHIP...
  • Page 43 HCD-EP313 MEMO...
  • Page 44 HCD-EP313 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...

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  • Juan Jose Jul 03, 2015 10:49:
    no se oyen los altavoces ni tampoco la salida de auricular.