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Sony HCD-EA20 Service Manual

Cd/dvd receiver
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3 7 63 1515 0

SERVICE MANUAL

Ver 1.0 2003. 10
HCD-EA20 is the amplifier, DVD/CD
and tuner section in DAV-EA20.
TE
L 13942296513
Amplifier section
Stereo mode (rated)
Surround mode (reference) Front: 25 W + 25 W
* Depending on the sound field settings and the source,
there may be no sound output.
Inputs
Outputs
Phones
www
.
Sony Corporation
9-961-254-01
2003J1678-1
Home Audio Company
© 2003.10
Published by Sony Engineering Corporation
http://www.xiaoyu163.com
DVD system
25 W + 25 W (6 ohms at 1
Laser
kHz, THD 10 %)
Center*: 25 W
Surround*: 25 W + 25 W
(6 ohms at 1 kHz, THD
Signal format system
10 %)
Frequency response (at 2CH STEREO mode)
Subwoofer*: 50 W
(8 ohms at 100 Hz, THD
10 %)
Harmonic distortion
Tuner section
VIDEO:
System
Sensitivity: 150 mV
Impedance: 50 kilohms
FM tuner section
SAT:
Tuning range
Sensitivity: 300 mV
Impedance: 50 kilohms
Aerial
AUDIO IN:
Aerial terminals
sensitivity: 150 mV
Intermediate frequency
Impedance: 50 kilohms
AM tuner section
VIDEO (AUDIO OUT):
Tuning range
Voltage: 1 V
Impedance: 1 kilohm
Aerial
Accepts low-and high-
Intermediate frequency
impedance headphones.
x
ao
y
i
http://www.xiaoyu163.com
HCD-EA20
8
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3
6 7
1 3
Semiconductor laser
(DVD: λ = 650 nm)
(CD: λ = 780 nm)
Emission duration:
continuous
NTSC or NTSC/PAL
DVD (PCM): 2 Hz to 22
kHz (±1.0 dB)
CD: 2 Hz to 20 kHz (±1.0
dB)
Less than 0.03 %
PLL quartz-locked digital
synthesizer system
87.5 – 108.0 MHz (50 kHz
step)
FM wire aerial
75 ohms, unbalanced
10.7 MHz
531 – 1,602 kHz (with the
interval set at 9 kHz)
AM loop aerial
450 kHz
u163
.
2 9
9 4
2 8
AEP Model
1 5
0 5
8
2 9
9 4
Video section
Inputs
Video: 1 Vp-p 75 ohms
Outputs
Video: 1 Vp-p 75 ohms
General
Power requirements
230 V AC, 50/60 Hz
Power consumption
130 W (230 V AC)
0.3 W (230 V AC) (at the
Power Saving Mode)
355 × 80 × 395 mm (w/h/d)
Dimensions (approx.)
incl. projecting parts
Mass (approx.)
6.4 kg
Operating temperature
5°C to 35°C
Operating humidity
5 % to 90 %
Design and specifications are subject to change
without notice.
m
CD/DVD RECEIVER
co
9 9
UK Model
HCD-SA30
CDM77A-DVBU20
TDP022W
2 8
9 9

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  • Page 1: Service Manual

    HCD-EA20 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Ver 1.0 2003. 10 HCD-EA20 is the amplifier, DVD/CD and tuner section in DAV-EA20. Model Name Using Similar Mechanism HCD-SA30 Mechanism Type CDM77A-DVBU20 Optical Pick-up Name TDP022W...
  • Page 2 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED 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 PUBLISHED BY SONY.

  • Page 3: Table Of Contents

    HCD-EA20 3 7 63 1515 0 TABLE OF CONTENTS 1. SERVICING NOTE 6-22. PRINTED WIRING BOARD ·························································· 4 – AMP/SUB TRANSFORMER SECTION – ············· 52 6-23. SCHEMATIC DIAGRAM 2. GENERAL ·········································································· 7 – AMP/SUB TRANSFORMER SECTION (1/2) – ···· 53 6-24.

  • Page 4: Servicing Note

    HCD-EA20 SECTION 1 SERVICING NOTE 3 7 63 1515 0 MODEL IDENTIFICATION NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK — BACK PANEL — OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc.
  • Page 5 HCD-EA20 3 7 63 1515 0 • Service position of UCOM board UCOM board J-2501-212-A (1mm/5P/L300) J-2501-200-A (1mm/11P/L300) J-2501-198-A (1mm/17P/L300) L 13942296513 • Service position of AMP board AMP board u163 http://www.xiaoyu163.com...
  • Page 6 HCD-EA20 3 7 63 1515 0 • Service position of DMB03 board UCOM board J-2501-167-A (1.25mm/17P/L300) DMB03 board L 13942296513 DMB03 board UCOM board J-2501-188-A (1mm/15P/L400) J-2501-075-A (1mm/21P/L500) u163 http://www.xiaoyu163.com...

  • Page 7: General

    HCD-EA20 SECTION 2 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. Front Panel A "/1 (power) (21) H PHONES jack (21) B STANDBY indicator (21) I ./>, PREV/NEXT, PRESET –/+ (22, 23, 52, 54)
  • Page 8 HCD-EA20 3 7 63 1515 0 L ./>, PREV/NEXT, TV CH –/+, Remote PRESET –/+ (22, 23, 51, 52, 53, 54) M H PLAY/SELECT (21, 23, 28, 29, 30, N DVD TOP MENU/ALBUM– (23, 25, 26) O DVD DISPLAY (25, 26, 30, 32, 37, 38, 39,...

  • Page 9: Disassembly

    HCD-EA20 SECTION 3 DISASSEMBLY 3 7 63 1515 0 • The equipment can be removed using the following procedure. CASE FRONT PANEL DVD MECHANISM UCOM BOARD I/O BOARD SECTION (CDM77A-DVBU20) PANEL BOARD, DMB03 BOARD TRAY (AU) STANDBY BOARD AMP BOARD,...

  • Page 10: Case

    HCD-EA20 3 7 63 1515 0 3-1. CASE 4 case 2 two screws (CASE 3 TP2) 3 five screws (+BVTP3 × 8) 1 two screws (CASE 3 TP2) L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 11: Front Panel Section

    HCD-EA20 3 7 63 1515 0 3-2. FRONT PANEL SECTION 1 connector (CN401) 6 front panel section 5 two claws 3 chassis ground 2 w ire (flat type) 4 three screws 17core (CN601) (+BVTP3 × 8) L 13942296513 3-3. PANEL BOARD, STANDBY BOARD...

  • Page 12: Ucom Board

    HCD-EA20 3 7 63 1515 0 3-4. UCOM BOARD 5 connector 4 connector (CN653) (CN652) 6 w ire (flat type) 3 connector 11core (CN621) (CN651) 7 w ire (flat type) 17core(CN631) 9 four screws (+BVTP3 × 8) 2 w ire (flat type) q;...

  • Page 13: I/O Board

    HCD-EA20 3 7 63 1515 0 3-6. I/O BOARD 1 w ire (flat type) 17core (CN101) 0 I/O board 4 connector (CN421) qs DC fan qd back panel 2 w ire (flat type) 9core (CN102) 3 w ire (flat type)

  • Page 14: Amp Board, Sub Transformer Board

    HCD-EA20 3 7 63 1515 0 3-7. AMP BOARD, SUB TRANSFORMER BOARD 7 connector (CN902) 6 connector qf four screws (CN951) 8 power cord qg power transformer 0 two screws (main) (T101) (sumitite 3 × 6) 9 five screws (+BVTP3 ×...

  • Page 15: Dvd Mechanism (Cdm77A-Dvbu20)

    HCD-EA20 3 7 63 1515 0 3-8. DVD MECHANISM (CDM77A-DVBU20) 7 CD lid 1 two screws (+BVTP2.6 × 8) 6 two claws 5 w ire (flat type) 29p (CN002) 3 three screws (sumitite 3 × 6) 8 DVD mechanism...

  • Page 16: Board

    HCD-EA20 3 7 63 1515 0 3-10. MS-128 BOARD 1 belt 3 MS-128 board 2 four claws L 13942296513 3-11. BASE UNIT 1 belt 7 chuck cam 3 puley 5 two claws 4 gear 2 claw 6 base unit u163 http://www.xiaoyu163.com...

  • Page 17: Optical Pick-Up (Tdp022W)

    HCD-EA20 3 7 63 1515 0 3-12. OPTICAL PICK-UP (TDP022W) 6 holder (DVU1) 7 three insulators 1 claw 8 optical pick-up 2 flexible board (TDP022W) (CN003) 3 w ire (flat type) 5 three step screws (M) 24p (CN001) L 13942296513...

  • Page 18: Test Mode

    HCD-EA20 SECTION 4 TEST MODE 3 7 63 1515 0 [KEY TEST] [AMP TEST MODE] * Key check and volume check. * SOUND FIELD and volume function is tested. Note: In advance of Amp test mode SOUND FIELD is set except AFD Procedure: AUTO.
  • Page 19 HCD-EA20 3 7 63 1515 0 [COLOR SYSTEM SELECTION] [GENERAL DESCRIPTION] * Color system can be changed to PAL or NTSC. The Test Mode allows you to make diagnosis and adjustment easily Procedure: using the remote commander and monitor TV. The instructions, Set the FUNCTION to DVD.
  • Page 20 HCD-EA20 3 7 63 1515 0 0-1. All (All items continuous check) 0-2-4. Model Type This menu checks all diagnostic items continuously. Normally, all Model name is displayed. (DAV-EA20) items are checked successively one after another automatically unless an error is found, but at a certain item that requires judgment 0-2-5.
  • Page 21 HCD-EA20 3 7 63 1515 0 1-1. DVD-SL (single layer) 24. Auto track gain adjust Press the key on the remote commander and insert a DVD single Search Check layer disc following the message. Then the adjustment will be made 25.
  • Page 22 HCD-EA20 3 7 63 1515 0 DRIVE MANUAL OPERATION 2-1. Disc Type Note: This mode is used for design, and not used in service fundamen- tally. Disc Type On the Test Mode Menu screen, press the key on the remote Disc Type Select commander, and the Operation Menu will be displayed.
  • Page 23 HCD-EA20 3 7 63 1515 0 2-3. Track/Layer Jump 2-1-3. Disc Type CD It sets up so that it may judge as a disc type of specification of the disc with which the set was inserted. Track/Layer Jump : CD disc (normal speed, 12 cm) FWD R.Lj L0>L1...
  • Page 24 HCD-EA20 3 7 63 1515 0 2-5. EEPROM Write Adjust 2-7. Disc Check Memory EEPROM Write Adjust Disc Check Memory 1. Focus Offset 1. SL Disc check 2. Focus Gain 2. CD Disc check 3. Trk. Offset Coarse 3. DL Disc check 4.
  • Page 25 HCD-EA20 3 7 63 1515 0 MECHA AGING • Code list of Emergency History 10: Communication to RF AMP (IC001) failed. On the Test Mode Menu screen, selecting executes the aging of 11: Each servo for focus, tracking, and spindle is unlocked.

  • Page 26: Electrical Adjustment

    HCD-EA20 SECTION 5 ELECTRICAL ADJUSTMENT 3 7 63 1515 0 [TEST DISC LIST] 90 to 9F : BU down operating. A0 to AF : Opening/closing the shutter. Or stationary state in Use the following test disc on test mode.

  • Page 27: Diagrams

    HCD-EA20 SECTION 6 DIAGRAMS 3 7 63 1515 0 6-1. CIRCUIT BOARDS LOCATION SUB TRANSFORMER board RF board I/O board STANDBY board MS-128 board AMP board UCOM board PANEL board DMB03 board L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 28 HCD-EA20 3 7 63 1515 0 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For schematic diagrams. For printed wiring boards. Note: Note: • All capacitors are in µF unless otherwise noted. pF: µµF •...

  • Page 29: Block Diagrams - Rf/Servo Section

    HCD-EA20 6-2. BLOCK DIAGRAMS – RF/SERVO SECTION – 3 7 6 3 1 5 1 5 0 117 RFIN SD0 – SD7 VIDEO SECTION ATOP DVDRFP RFAC 50 RFAC 160 MDAT PCMD RFSIN ATON BCLK BCLK 158 BCLK LRCK...

  • Page 30: Video Section

    HCD-EA20 – VIDEO SECTION – 3 7 6 3 1 5 1 5 0 IC256 RF SERVO D-FF SECTION J102(1/2) VIDEO IC151 VIDEO IN VIDEO INPUT SELECTOR IC106 VIDEO SELECTOR J101 (1/2) 1 IN1 VIDEO IC251 14 2B OUT2 VIDEO OUT 75Ω...

  • Page 31: Audio Section

    HCD-EA20 – AUDIO SECTION – 3 7 6 3 1 5 1 5 0 IC302 IC522 D/A CONVERTER ELECTRONIC IC521 VOLUME DATA0 VIDEO 31 DATA4 VOUT1 1 VIN1 SECTION DATA1 45 DATA1 DATA2 46 DATA2 DATA3 47 DATA3 VOUT2...

  • Page 32: Amp Section

    HCD-EA20 – AMP SECTION – 3 7 6 3 1 5 1 5 0 J851 PHONES • SIGNAL PATH Q505 Q881 - 882 : AUDIO MUTING MUTING CONTROL IC401 POWER AMP J301 SPEAKER FL, FR, SL, SR, C, SW...

  • Page 33: Power Supply Section

    HCD-EA20 – POWER SUPPLY SECTION – 3 7 6 3 1 5 1 5 0 IC653 +3.9V +3.9V REGULATOR IC392 AUDIO D3.3V +3.3V REGULATOR IC651 REGULATOR IC907 A3V-2 +3.3V (ZIVA) REGULATOR IC652 IC501 (3/3) DC/DC REGULATOR SYSTEM CONTROLLER CONVERTER...

  • Page 34: Printed Wiring Board - Rf Section

    HCD-EA20 6-3. PRINTED WIRING BOARD – RF SECTION – • See page 27 for Circuit Boards Location. • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 RF BOARD RF BOARD (SIDE A) (SIDE B)

  • Page 35: Schematic Diagram - Rf Section

    HCD-EA20 6-4. SCHEMATIC DIAGRAM – RF SECTION – 3 7 6 3 1 5 1 5 0 C006 C028 C027 R026 C013 C031 1000p CN002 C030 0.01 C026 C025 R023 C029 0.01 C024 C035 0.01 JL005 R024 JL004 CN001...

  • Page 36: Printed Wiring Board

    HCD-EA20 6-5. PRINTED WIRING BOARD – LOADING SECTION – • See page 27 for Circuit Boards Location. 6-6. SCHEMATIC DIAGRAM – LOADING SECTION – 3 7 6 3 1 5 1 5 0 • : Uses unleaded solder. MS-128...

  • Page 37: Printed Wiring Board

    HCD-EA20 6-7. PRINTED WIRING BOARD – DMB SECTION (SIDE A) – • See page 27 for Circuit Boards Location. • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 N O T U S E D...

  • Page 38: Printed Wiring Board

    HCD-EA20 6-8. PRINTED WIRING BOARD – DMB SECTION (SIDE B) – • See page 27 for Circuit Boards Location. • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 • Semiconductor Location D1203 Ref. No. Location...

  • Page 39: Dmb Section (1/8)

    HCD-EA20 6-9. SCHEMATIC DIAGRAM – DMB SECTION (1/8) – 3 7 6 3 1 5 1 5 0 (Page 44) (Page 42) R309 CN107 CL309 R310 C309 100p CL310 R311 C308 100p R312 CL311 R308 CL312 (Page 45) D392...

  • Page 40: Dmb Section (2/8)

    HCD-EA20 6-10. SCHEMATIC DIAGRAM – DMB SECTION (2/8) – 3 7 6 3 1 5 1 5 0 R587 CL505 CL504 CL503 CL502 FL502 C567 CL501 C568 R569 R545 C522 R548 CN501 6.3V CL544 R9988 R537 CL537 C592 R536...

  • Page 41: Dmb Section (3/8)

    HCD-EA20 6-11. SCHEMATIC DIAGRAM – DMB SECTION (3/8) – • See page 73 for IC PIN FUNCTION DESCRIPTION. 3 7 6 3 1 5 1 5 0 IC703(2/2) R784 C701 R786 NJM3404AV( 100k TE2) R700 TP703 C782 R787 100k 8.2k...

  • Page 42: Dmb Section (4/8)

    HCD-EA20 6-12. SCHEMATIC DIAGRAM – DMB SECTION (4/8) – 3 7 6 3 1 5 1 5 0 (Page 40) JL521 C527 0.01 C526 R543 R547 R581 (Page 43) R580 R589 (Page 44) C519 0.01 (Page 45) R579 8.2k...

  • Page 43: Dmb Section (5/8)

    HCD-EA20 6-13. SCHEMATIC DIAGRAM – DMB SECTION (5/8) – • See page 76 for IC PIN FUNCTION DESCRIPTION. 3 7 6 3 1 5 1 5 0 FL901 C902 0.01 IC902 SN74AHC1G32DCKR R901 C901 Q901 DTC114TE-TL IC904 TC7W74FK-T E85L...

  • Page 44: Dmb Section (6/8)

    HCD-EA20 6-14. SCHEMATIC DIAGRAM – DMB SECTION (6/8) – 3 7 6 3 1 5 1 5 0 CN202 CN105 C283 0.01 IC255 I/O BOARD SN74AHC1G00DCKR (2/2) CN103 VGND I/P SW I/P SW WIDE WIDE R223 R9998 39, 42, 45...

  • Page 45: Dmb Section (7/8)

    HCD-EA20 6-15. SCHEMATIC DIAGRAM – DMB SECTION (7/8) – • See page 68 for IC PIN FUNCTION DESCRIPTION. 3 7 6 3 1 5 1 5 0 R265 R266 R267 R263 R264 R225 R226 R228 R251 C226 R233 C229 0.01...

  • Page 46: Dmb Section (8/8)

    HCD-EA20 6-16. SCHEMATIC DIAGRAM – DMB SECTION (8/8) – 3 7 6 3 1 5 1 5 0 IC203 HY57V283220T-6 C218 0.01 C255 10 10V F C220 0.01 FL203 C259 FL204 C258 0.01 C227 0.01 RB10 RB12 C205 0.01 C235 0.01...

  • Page 47: Ucom Section

    HCD-EA20 6-17. PRINTED WIRING BOARD – UCOM SECTION – • See page 27 for Circuit Boards Location. • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 PANEL • Semiconductor BOARD CN801 Location (Page 55) Ref.

  • Page 48: Ucom Section

    HCD-EA20 6-18. SCHEMATIC DIAGRAM – UCOM SECTION – • See page 78 for IC PIN FUNCTION DESCRIPTION. 3 7 6 3 1 5 1 5 0 CN611 CN651 CN654 CN653 CN652 C652 C653 EPT601 C606 100 16V C607 IC671...

  • Page 49: I/O Section

    HCD-EA20 6-19. PRINTED WIRING BOARD – I/O SECTION – • See page 27 for Circuit Boards Location. • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 UCOM • Semiconductor BOARD BOARD CN303 CN631 Location...

  • Page 50: I/O Section

    HCD-EA20 6-20. SCHEMATIC DIAGRAM – I/O SECTION (1/2) – 3 7 6 3 1 5 1 5 0 CN104 R295 4.7k C298 330p C129 Q291 3300p 2SC2412K-T -146-QR R296 470k R291 R292 R293 R294 C136 C229 100k C299 10000p...

  • Page 51: I/O Section (1/2)

    HCD-EA20 6-21. SCHEMATIC DIAGRAM – I/O SECTION (2/2) – 3 7 6 3 1 5 1 5 0 C141 C145 J251 L251 IC251 MM1510XNRE R151 C273 CN103 C252 JW251 1000 6.3V C169 C170 FB151 L152 C158 25V F IC252...

  • Page 52: Printed Wiring Board - Amp/Sub Transformer Section

    HCD-EA20 6-22. PRINTED WIRING BOARD – AMP/SUB TRANSFORMER SECTION – • See page 27 for Circuit Boards Location. • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 U C O M D M B 0 3...

  • Page 53: Schematic Diagram - Amp/Sub Transformer Section (1/2)

    HCD-EA20 6-23. SCHEMATIC DIAGRAM – AMP/SUB TRANSFORMER SECTION (1/2) – 3 7 6 3 1 5 1 5 0 CN401 CN303 CN302 CN951 R542 R541 100k 100k C542 C541 22 35V 22 35V CNP901 R544 R543 150 1/2W 150 1/2W...

  • Page 54: Schematic Diagram - Amp/Sub Transformer Section (2/2)

    HCD-EA20 6-24. SCHEMATIC DIAGRAM – AMP/SUB TRANSFORMER SECTION (2/2) – 3 7 6 3 1 5 1 5 0 C301 R301 1 50V C351 1 50V C302 1000p C354 1000p C353 R302 1 50V C303 1000p R354 R353 C308...

  • Page 55: Panel Section

    HCD-EA20 6-25. PRINTED WIRING BOARD – PANEL SECTION – • See page 27 for Circuit Boards Location. • : Uses unleaded solder. 3 7 6 3 1 5 1 5 0 PRESET NEXT PREV PHONES IC802 • Semiconductor VOLUME...

  • Page 56: Panel Section

    HCD-EA20 6-26. SCHEMATIC DIAGRAM – PANEL SECTION – 3 7 6 3 1 5 1 5 0 CN801 FL801 D804 1SS355TE-17 CNP802 D803 1SS355TE-17 C808 0.01 R835 FB802 C832 CNP805 CNP804 10 50V D802 THP801 R810 R804 FB801 C809 IC801 0.001...
  • Page 57 HCD-EA20 3 7 63 1515 0 • Waveforms – RF BOARD – IC001 1 (DVDRFP) IC001 el (TE) IC001 r; (FE) IC001 tj (RFAC) 0.3 Vp-p 0.5 Vp-p 800m Vp-p 1.3 Vp-p 100m V/DIV, 1 ms/DIV 500m V/DIV, 100 ns/DIV...
  • Page 58 HCD-EA20 3 7 63 1515 0 – UCOM BOARD – – PANEL BOARD – Q803 collector IC501 qg (X2) 24.4 Vp-p 3.1 Vp-p 8.0 µ s 200 ns 10 V/DIV, 4 µ s/DIV 1 V/DIV, 100 ns/DIV – I/O BOARD –...

  • Page 59: Ic Block Diagrams

    HCD-EA20 3 7 63 1515 0 6-27. IC BLOCK DIAGRAMS – AMP BOARD – IC301 STK402-920 L 13942296513 IC401 STK403-030 PRE DRIVER PRE DRIVER IC CH1 IC CH2 BIAS CIRCUIT u163 http://www.xiaoyu163.com...
  • Page 60 HCD-EA20 3 7 63 1515 0 IC501,521,551 NJM4580E(TE2) IC502,522,552 M62429P VIN2 VOUT2 CLOCK A OUT VR 2 B OUT A –IN VOL AMP 2 VREF LOGIC CONTROL VOL AMP 1 A +IN B –IN REF AMP VR 1 B +IN V–...
  • Page 61 HCD-EA20 3 7 63 1515 0 IC302 PCM1609KPTR Power Supply System Clock VCC3 SCKI Manager SCKO Output Amp and AGND3 Low-pass Filter VCC4 Output Amp and Low-pass Filter AGND4 Enhanced Output Amp and Oversampling Multi-level LRCK Low-pass Filter VOUT8...
  • Page 62 HCD-EA20 3 7 63 1515 0 IC509 CXD3068Q 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 DVDD2 ASYE DIGITAL ASYMMETRY CORRECTOR DIGITAL DOUT LRCK D/A DIGITAL PCMD INTERFACE...
  • Page 63 HCD-EA20 3 7 63 1515 0 IC903 BR24L16F-WE2 1 A0 16 K bit EEPROM ARRAY 11 bit 8 bit TEST 2 A1 ADDRESS SLAVE WORD DATA 11 bit DECODER ADDRESS REGISTER REGISTER START STOP 3 A2 CONTROL CIRCUIT HIGHT VOLTAGE...
  • Page 64 HCD-EA20 3 7 63 1515 0 IC121 MC14052 BDR2 IC151 NJM2235V(TE2) IN 1 BUFFER SW 1 IN 2 BIAS SW 2 VIN 3 IC251 MM1510XNRE IC252 MM1568AJBE OUT2 6 SW VCC2 VCC1 BIAS 75Ω COUT DRIVER OUT1 DRIVER 5 GND...
  • Page 65 HCD-EA20 3 7 63 1515 0 IC291 BU1924F-E2 12 11 10 CLOCK TEST PLL 57kHz RDS/ARI 1187.5Hz COMPARATOR 8th SWITCHED BIPHASE CAPACITOR DECODER FILTER DEFFERENTIAL ANTI-ALIASING DECODER FILTER – PANEL BOARD – IC802 PT6315 L 13942296513 Grid driver Multiplexed driver...
  • Page 66 HCD-EA20 3 7 63 1515 0 – RF BOARD – IC001 CXD1881AR 64 63 62 61 60 59 55 54 53 52 FAST ATTACK INPUT OUTPUT HOLD FULL WAVE AGC CHARGE INHIBIT RECTIFER PUMP PROGRAMMABLE FROM S-PORT EQUALIZER INPUT...
  • Page 67 HCD-EA20 3 7 63 1515 0 – UCOM BOARD – IC681 PST9229NL VOUT L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 68: Ic Pin Function Description

    HCD-EA20 3 7 63 1515 0 6-28. IC PIN FUNCTION DESCRIPTION • IC207 ZIVA5X-C1F (DVD SYSTEM PROCESSOR)(DMB03 BOARD) Pin No. Pin Name Description VDDP — Power supply terminal (+3.3V) (I/O signal) Address bus HD15 Data bus (address signal multiplexed)
  • Page 69 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description MRAS SDRAM row address strobe signal output MCAS SDRAM column address strobe signal output SDRAM write enable signal output (“H” : read, “L” : write) GND25 — Ground terminal (SDRAM I/O signal) VDD25 —...
  • Page 70 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description MD30 SDRAM data MD31 SDRAM data GND25 — Ground terminal (SDRAM I/O signal) VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal) VCLK System clock (not used) XCK_I/O_SEL 5.1ch/downmix switch signal output...
  • Page 71 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description DATA1(FLR) Audio data(Front L/R signal) output VDDP — Power supply terminal (+3.3V) (I/O signal) GNDP — Ground terminal (I/O signal) DATA2(SLR) Audio data(Rear L/R signal) output DATA3(CSW) Audio data(Center/Subwoofer signal) output...
  • Page 72 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description TCK signal input RESET ZIVA reset input BUS CLK Not used — Ground terminal (inside core) — Power supply terminal (+1.8V) (inside core) Address bus 3 Address bus 2 GNDP —...
  • Page 73 HCD-EA20 3 7 63 1515 0 • IC701 CXD1882R (DVD DECODER)(DMB03 BOARD) Pin No. Pin Name Description 1, 2 D5, D6 Two-way data bus with the mechanism controller — Ground terminal (digital system) Two-way data bus with the mechanism controller Address signal input from the mechanism controller —...
  • Page 74 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description XPDI Not used VDDS — Power supply terminal (+5V) (digital system) 59, 60 HA0, HA2 Not used — Ground terminal (digital system) 62, 63 HCS0, HCS1 Not used —...
  • Page 75 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description 128, 129 VCCA3, VCCA2 — Power supply terminal (+3.3V) (analog system) Signal output from the charge pump for phase comparator PDHVCC Middle point voltage input terminal for RF PLL...
  • Page 76 HCD-EA20 3 7 63 1515 0 • IC901 CXP973064-232R (MECHANISM CONTROLLER)(DMB03 BOARD) Pin No. Pin Name Description NO USE Not used SDEN Serial data enable signal output to DVD/CD RF amplifier DOCTRL/ Digital out on/off control signal output to the digital signal processor ISBTEST “L”: digital out off, “H”: digital out on...
  • Page 77 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description CONTROL 2 Disc tray out detection signal input terminal Not used GFS DVD Guard frame sync signal input from the DVD decoder MUTE CD Muting on/off control signal output to the digital signal processor “H”: muting on MUTE 2D Muting on/off control signal output to the motor/coil driver “H”: muting on...
  • Page 78 HCD-EA20 3 7 63 1515 0 µPD703260YGF-S07-JBT-A (SYSTEM CONTROLLER)(UCOM BOARD) • IC501 Pin No. Pin Name Description UNREG MONITOR Monitoring voltage input for protecting power block SUBTRANS-MONITOR Monitoring voltage input for protecting power block AVREF0 — Analog reference voltage for A/D converter AVSS —...
  • Page 79 HCD-EA20 3 7 63 1515 0 Pin No. Pin Name Description 62 to 68 NO-USE Not used (open) AU OUT MUTE Analog audio signal output muting control signal output NO-USE Not used (open) BVSS — Ground terminal (bus interface) BVDD —...

  • Page 80: Exploded Views

    HCD-EA20 SECTION 7 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference • -XX, -X mean standardized parts, so they may The components identified by mark 0 or number in the exploded views are not supplied.

  • Page 81: Front Panel Section

    HCD-EA20 3 7 63 1515 0 7-2. FRONT PANEL SECTION not supplied not supplied not supplied not supplied L 13942296513 not supplied including S800 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-249-176-01 KNOB, VOL...

  • Page 82: Chassis Section

    HCD-EA20 3 7 63 1515 0 7-3. CHASSIS SECTION supplied T101 F903 F902 supplied supplied supplied L 13942296513 supplied DVD mechanism section (CDM77A-DVBU20) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-249-177-01 CD (LID) A-4748-541-A DMB03 BOARD, COMPLETE (AEP,UK)
  • Page 83 HCD-EA20 3 7 63 1515 0 7-4. DVD MECHANISM SECTION (CDM77A-DVBU20) not supplied not supplied not supplied not supplied not supplied not supplied L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-243-742-01 TRAY (AU)

  • Page 84: Electrical Parts List

    HCD-EA20 SECTION 8 ELECTRICAL PARTS LIST 3 7 63 1515 0 Note: • CAPACITORS • Due to standardization, replacements in the parts When indicating parts by reference number, uF : µ F list may be different from the parts specified in the please include the board name.
  • Page 85 HCD-EA20 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C501 1-126-233-11 ELECT 22uF C962 1-126-948-11 ELECT 100uF 20.00% 35V C502 1-126-059-11 ELECT 10uF 20.00% 50V C963 1-126-916-11 ELECT 1000uF 20.00% 6.3V...
  • Page 86 HCD-EA20 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC501 8-759-385-17 IC NJM4580E(TE2) Q551 8-729-422-35 TRANSISTOR 2SC3624A-T1L15 IC502 8-759-539-45 IC M62429P IC521 8-759-385-17 IC NJM4580E(TE2) Q552 8-729-422-35 TRANSISTOR 2SC3624A-T1L15 Q972...
  • Page 87 HCD-EA20 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R360 1-216-841-11 METAL CHIP 1/16W R451 1-216-821-11 METAL CHIP 1/16W R361 1-216-841-11 METAL CHIP 1/16W R452 1-216-841-11 METAL CHIP 1/16W R362...
  • Page 88 HCD-EA20 DMB03 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R528 1-216-825-11 METAL CHIP 2.2K 1/16W RY461 1-755-170-11 RELAY (12V) R529 1-216-825-11 METAL CHIP 2.2K 1/16W < THERMISTOR(POSITIVE) > R530 1-216-825-11 METAL CHIP 2.2K...
  • Page 89 HCD-EA20 3 7 63 1515 0 DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C262 1-164-947-11 CERAMIC CHIP 0.01uF C509 1-164-934-11 CERAMIC CHIP 330PF 10.00% 50V C263 1-164-947-11 CERAMIC CHIP 0.01uF C510 1-164-937-11 CERAMIC CHIP 0.001uF...
  • Page 90 HCD-EA20 DMB03 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C720 1-125-777-11 CERAMIC CHIP 0.1uF 10.00% 10V C925 1-126-395-11 ELECT 22uF C721 1-107-820-11 CERAMIC CHIP 0.1uF C722 1-107-820-11 CERAMIC CHIP 0.1uF...
  • Page 91 HCD-EA20 3 7 63 1515 0 DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > < TRANSISTOR > IC203 6-704-069-01 IC HY57V283220T-6 Q202 8-729-929-26 TRANSISTOR DTC114TE-TL * IC204 6-703-671-01 IC BR9040F-WE2 Q901...
  • Page 92 HCD-EA20 DMB03 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R266 1-218-285-11 METAL CHIP 1/10W R516 1-216-829-11 METAL CHIP 4.7K 1/16W R267 1-218-285-11 METAL CHIP 1/10W R517 1-216-825-11 METAL CHIP 2.2K...
  • Page 93 HCD-EA20 3 7 63 1515 0 DMB03 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R583 1-216-864-11 METAL CHIP 1/16W R751 1-216-864-11 METAL CHIP 1/16W R584 1-216-839-11 METAL CHIP 1/16W R752 1-216-864-11 METAL CHIP 1/16W...
  • Page 94 HCD-EA20 DMB03 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R932 1-216-801-11 METAL CHIP 1/16W RB15 1-233-388-11 RES, NETWORK 68 (3216) R933 1-216-801-11 METAL CHIP 1/16W RB16 1-233-388-11 RES, NETWORK 68...
  • Page 95 HCD-EA20 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C163 1-126-795-11 ELECT 10uF 20.00% 50V < IC > C164 1-126-795-11 ELECT 10uF 20.00% 50V C168 1-164-156-11 CERAMIC CHIP 0.1uF IC101...
  • Page 96 HCD-EA20 MS-128 3 7 63 1515 0 PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R123 1-216-841-11 METAL CHIP 1/16W R228 1-216-839-11 METAL CHIP 1/16W R124 1-216-845-11 METAL CHIP 100K 1/16W R229 1-216-839-11 METAL CHIP...
  • Page 97 HCD-EA20 3 7 63 1515 0 PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C817 1-162-964-11 CERAMIC CHIP 0.001uF < RESISTOR > C818 1-162-960-11 CERAMIC CHIP 220PF C819 1-162-974-11 CERAMIC CHIP 0.01uF R812 1-216-821-11 METAL CHIP...
  • Page 98 HCD-EA20 STANDBY 3 7 63 1515 0 SUB TRANSFORMER Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C019 1-164-172-11 CERAMIC CHIP 0.0056uF 10.00% 25V R012 1-216-864-11 METAL CHIP 1/16W C020 1-162-919-11 CERAMIC CHIP 22PF R013...
  • Page 99 HCD-EA20 3 7 63 1515 0 SUB TRANSFORMER UCOM Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C913 1-104-665-11 ELECT 100uF 20.00% 10V C530 1-126-916-11 ELECT 1000uF 20.00% 6.3V C914 1-126-960-11 ELECT 20.00% 50V C536 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 100 HCD-EA20 UCOM 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks D685 8-719-988-61 DIODE 1SS355TE-17 R581 1-216-841-11 METAL CHIP 1/16W D686 8-719-988-61 DIODE 1SS355TE-17 R582 1-216-841-11 METAL CHIP 1/16W D687 8-719-988-61 DIODE 1SS355TE-17...
  • Page 101 HCD-EA20 3 7 63 1515 0 UCOM Ref. No. Part No. Description Remarks R674 1-216-829-11 METAL CHIP 4.7K 1/16W R675 1-216-829-11 METAL CHIP 4.7K 1/16W R676 1-216-833-11 METAL CHIP 1/16W R677 1-216-833-11 METAL CHIP 1/16W R681 1-216-813-11 METAL CHIP...
  • Page 102 HCD-EA20 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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