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Sony HCD-DH7BT - Dvd Receiver For Cmtdh7bt Micro System Service Manual

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HCD-DH3/DH5BT/DH7BT
QQ
3 7 63 5 5
SERVICE MANUAL
Ver. 1.2 2007.10
HCD-DH3 is the amplifier, USB, disc player
and tuner section in CMT-DH3.
HCD-DH5BT is the amplifier, bluetooth, USB,
disc player and tuner section in CMT-DH5BT.
HCD-DH7BT is the amplifier, bluetooth, disc
player and tuner section in CMT-DH7BT.
This system incorporates Dolby*
Digital and the DTS** Digital
Surround System.
* Manufactured under license from Dolby
Laboratories.
"Dolby" and the double-D symbol are
trademarks of Dolby Laboratories.
** "DTS" is a registered trademark of DTS,
Inc. and "DTS 2.0 + Digital Out" is a
TE
L 3 422 65 3
trademark of DTS, Inc.
U.S. and foreign patents licensed from
Dolby Laboratories.
DivX
®
is a video file compression
technology, developed by DivX, Inc.
DivX, DivX Certified, and associated
logos are trademarks of DivX, Inc. and
are used under license.
The Bluetooth word mark and logos
are owned by the Bluetooth SIG, Inc.
and any use of such marks by Sony
Corporation is under license. Other
trademarks and trade names are those
of their respective owners.
"WALKMAN" and "WALKMAN"
logo are registered trademarks of Sony
Corporation.
MICROVAULT is a trademark of Sony
Corporation.
ATRAC, ATRAC3, ATRAC3plus and
their logos are trademarks of Sony
Corporation.
MPEG Layer-3 audio coding
technology and patents licensed from
Fraunhofer IIS and Thomson.
The XM name and related logos are
registered trademarks of XM Satellite
Radio Inc.
(c) 2006 SIRIUS Satellite Radio Inc.
"SIRIUS" and the SIRIUS dog logo
are registered trademarks of SIRIUS
Satellite Radio Inc.
and
®
marks are omitted in this
TM
www
manual.
.
Sony Corporation
9-887-629-03
Personal Audio Division
2007J05-1
Published by Sony Techno Create Corporation
© 2007.10
http://www.xiaoyu163.com
– HCD-DH7BT –
AUDIO POWER SPECIFICATIONS POWER
OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 10,000 Hz; rated 50 watts per channel
channel minimum RMS power, with no more than
10% total harmonic distortion from 250 milliwatts
to rated output.
Amplifier section
DIN power output (rated):
Except Chinese model:
40 W + 40 W (6 ohms at 1 kHz, DIN)
Chinese model:
35 W + 35 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
Except Chinese model:
50 W + 50 W (6 ohms at 1 kHz, 10% THD)
Chinese model:
45 W + 45 W (6 ohms at 1 kHz, 10% THD)
Inputs:
AUDIO IN (stereo mini jack):
Voltage 620 mV, impedance 47 kilohms
MIC (mini jack) (HCD-DH3/DH5BT):
Sensitivity 0.8 mV , impedance 10 kilohms
(USB) port (HCD-DH3/DH5BT):
Type A, maximum current 500 mA
Outputs:
DIGITAL OUT (square optical connector jack):
Wavelength 660 nm
VIDEO OUT (phono jack):
Max. output level 1 Vp-p, unbalanced, Sync.
negative load impedance 75 ohms
COMPONENT VIDEO OUT:
Y: 1 Vp-p, 75 ohms
P
B
P
R
S VIDEO OUT (4-pin/mini-DIN jack):
Y: 1 Vp-p, unbalanced, Sync. negative
x
o
u 63
y
C: 0.286 Vp-p, load impedance 75 ohms
i
http://www.xiaoyu163.com
8
Photo: HCD-DH3
Model Name Using Similar Mechanism
DVD Mechanism Type
Optical Pick-up Block Name
SPECIFICATIONS
Q Q
7 3
3 6
/C
: 0.7 Vp-p, 75 ohms
B
/C
: 0.7 Vp-p, 75 ohms
R
.
4 2
2 8
US Model
Canadian Model
AEP Model
Australian Model
Chinese model
NEW
CDM86-DVBU101
KHM-313CAB
5
5
8
4 2
PHONES (stereo mini jack):
accepts headphones of 8 ohms or
more
Bluetooth section (HCD-DH5BT/DH7BT)
Communication system:
Bluetooth Standard version 2.0
Output:
Bluetooth Standard Power Class 2
Maximum communication range:
Line of sight approx. 10 m
Frequency band:
2.4 GHz band (2.4000 GHz 2.4835
GHz)
Modulation method:
FHSS
Compatible Bluetooth profiles
A2DP (Advanced Audio Distribution
Profile)
AVRCP (Audio Video Remote
Control Profile)
Supported codecs:
Receive: SBC (Sub Band Codec), MP3
Transmit: SBC (Sub Band Codec)
1)
The actual range will vary depending
on factors such as obstacles between
devices, magnetic fields around a
microwave oven, static electricity,
reception sensitivity, antenna's
performance, operating system,
software application, etc.
2)
Bluetooth standard profiles indicate the
purpose of Bluetooth communication
between devices.
– Continued on next page –
m
DVD RECEIVER
co
HCD-DH7BT
HCD-DH5BT
E Model
HCD-DH3/DH5BT
2 8
1)
2)
:

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   Summary of Contents for Sony HCD-DH7BT - Dvd Receiver For Cmtdh7bt Micro System

  • Page 1 Line of sight approx. 10 m are owned by the Bluetooth SIG, Inc. Frequency band: DIN power output (rated): and any use of such marks by Sony 2.4 GHz band (2.4000 GHz 2.4835 Except Chinese model: Corporation is under license. Other...
  • Page 2 PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE on the rear exterior. FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY. SAFETY-RELATED COMPONENT WARNING!!
  • Page 3 Parts on Set number) may appear on the TV screen. Although this is not a malfunction and for Sony service use only, normal system operation will not be possible. Turn off the system, and then turn on the system again to operate.
  • Page 4: Table Of Contents

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 TABLE OF CONTENTS SERVICING NOTES 6-15. Schematic Diagram ..........5 – USB Section (2/2) (DH3/DH5BT) – ......37 6-16. Printed Wiring Board GENERAL ..............8 – USB Section (DH3/DH5BT) – ........38 6-17.
  • Page 5: Servicing Notes

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 SECTION 1 SERVICING NOTES 3 7 63 5 5 MODEL IDENTIFICATION NOTES ON HANDLING THE OPTICAL PICK-UP – Back Panel – BLOCK 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 6 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Playable discs Icon used in Type Characteristics Logo this manual DVD VIDEO DVD VIDEO DVD-R*/-RW*/+R/+RW in DVD VIDEO format also in video mode VR mode DVD-R/-RW in VR (Video Recording) mode VIDEO CD VIDEO CD Super VCD* CD-ROM*/-R*/-RW*...
  • Page 7 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Note on DualDiscs Discs that cannot be played Region code of DVD VIDEOs you can play back on this system ADualDisc is a two sided disc product CD-ROMs recorded in PHOTO CD which mates DVD recorded material on format Y our system has a region code printed one side with digital audio material on...
  • Page 8: General

    63 Press to eject the disc. PROGRESSIVE This button is used to operate a Sony TV. For details, see “Operating a Sony TV”. Press to select the sound effect. Press to change the output video format Disc slot The numeric button 5, TV VOL +, (Interlace or Progressive format).
  • Page 9 Press to display the disc information or Press to activate the THEATRE SYNC clock in the front panel display. function. This button is used to operate a Sony TV. Z (eject) DVD/USB MENU For details, see “Operating a Sony TV”.
  • Page 10 (Interlace or Progressive format). Press to activate the THEATRE SYNC Press to eject the disc. function. This button is used to operate a Sony TV. Press to select the sound effect. DSGX For details, see “Operating a Sony TV”. Disc slot Except for European and Russian models.
  • Page 11 DSGX TV screen. Bluetooth device. This button is used to operate a Sony TV. For details, see “Operating a Sony TV”. Press to reinforce the bass. The numeric button 5, TV VOL +, and H...
  • Page 12 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 – HCD-DH3 – – HCD-DH5BT – Display Display 1 Indicates the selected function. qa Lights up when the output video Indicates the selected function. Lights up when the output video signal is NTSC. 2 Indicates the selected play mode.
  • Page 13: Disassembly

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT SECTION 3 DISASSEMBLY 3 7 63 5 5 This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. STEEL CABINET 3-6. DMB15 BOARD (Page 13) (Page 15) 3-3. FRONT PANEL SECTION 3-7. DVD MECHANISM DECK (Page 14) (CDM86-DVBU101) (Page 16)
  • Page 14: Front Panel Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 3-3. FRONT PANEL SECTION qa screw 0 screw (BV3) (BVTP3 qs earth cable 9 wire (flat type) (9 core) (CN702) 6 coating clip 7 two claws 5 screw (BVTP3 2 coaxial cable terminal (DH5BT/DH7BT) 7 two claws 1 wire (flat type) (15 core)
  • Page 15: Main Chassis Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 3-5. MAIN CHASSIS SECTION 5 screw (BV3) 9 holder (CDM) section 4 two screws (BV3) 1 connector (CN204) 2 wire (flat type) (13 core) (DMB15 board: CN301, 6 Lift up the VIDEO board: CN501) cord bushing (2104).
  • Page 16: Dvd Mechanism Deck (cdm86-dvbu101)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 3-7. DVD MECHANISM DECK (CDM86-DVBU101) 1 three screws (BVTP3 2 cover (mecha L) 3 DVD mechanism deck (CDM86-DVBU101) DVD mechanism deck bottom view L 3 422 65 3 holder (CDM) section bottom view 3-8.
  • Page 17: Optical Pick-up Block (khm-313cab)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 3-9. OPTICAL PICK-UP BLOCK (KHM-313CAB) 3 FFC holder 1 Remove the wire (flat type) (24 core) of FFC holder. 9 optical pick-up block 4 wire (flat type) (24 core) (KHM-313CAB) 6 four insulator screws 5 connector 8 four insulators 2 two claws...
  • Page 18: Test Mode

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.1 SECTION 4 TEST MODE 3 7 63 5 5 COLD RESET DVD COLOR SYSTEM The cold reset clears all data including preset data stored in the This mode let you change the color system of the video output from RAM to initial conditions.
  • Page 19 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 DVD SECTION Manual Adjust 1. Track Balance Adjust: 1. DVD SERVICE MODE GENERAL DESCRIPTION 2. Track Gain Adjust: This mode let you make diagnosis and adjustment easily by using 3. Focus Balance Adjust: the remote commander and the TV screen.
  • Page 20 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 To Clear the Laser Hour 2. You can check the total time when the laser is turned on during Press the [ DISPLAY] button on the remote commander and then playback of DVD and CD from the above menu. The maximum press the [CLEAR] button on the remote commander.
  • Page 21: Electrical Checks

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT SECTION 5 3 7 6 3 ELECTRICAL CHECKS TUNER SECTION VOLT/DIV: 200 mV TIME/DIV: 500 ns FM TUNE LEVEL CHECK level: 0.58 1.23 Vp-p (DVD-SL) signal 0.57 1.1 Vp-p generator (CD) Procedure: 1. Turn on the set. Connecting Location: 2.
  • Page 22: Diagrams

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 SECTION 6 3 7 6 3 DIAGRAMS 6-1. BLOCK DIAGRAM – RF SERVO/VIDEO Section – D/A CONVERTER IC301 ASDATA0 217 SDTI1 LOUT1+ 2 DVD-L LOUT1– 1 MIX AMP DVDRFIP ASDATA1 218 SDTI2 ROUT1+ 48 IC3711 (Page 24) R-CH VOA/A ROUT1–...
  • Page 23: Block Diagram - Tuner/usb/bluetooth Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-2. BLOCK DIAGRAM – TUNER/USB/BLUETOOTH Section – (DH3/DH5BT) CN902 USB CONTROLLER MP3 PROCESSOR (USB) IC901 IC951 USB-L 79 D+ DATA 65 AIN (PI4) 66 BCKi (PI5) (Page 24) D– R-CH 80 D– LRCK 67 LRCKi (PI6) GATE 51 PIO3 VBUS POWER...
  • Page 24: Block Diagram - Main Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-3. BLOCK DIAGRAM – MAIN Section – R-CH J702 AUDIO IN DVD-L (Page 22) R-ch is omitted due to same as L-ch. TUNER-L SIGNAL PATH (Page 23) : AUDIO (DH3) : TUNER (FM/AM) USB-L : USB (Page 23) : XM...
  • Page 25: Block Diagram - Karaoke/amp Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 6-4. BLOCK DIAGRAM – KARAOKE/AMP Section – (DH3/DH5BT: Australian, Chinese, Singapore, Taiwan, Korean, Thai) DIGITAL ECHO IC702 VR702 ECHO LEVEL (DH3/DH5BT) +11V J701 MIC AMP MIC AMP IC701 (1/2) IC701 (2/2) (Page 24) MUTING VR701 Q702, 703...
  • Page 26: Block Diagram - Panel/power Supply Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-5. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section – 3 7 6 3 I-AC DET FLUORESCENT INDICATOR (DH5BT/DH7BT) TUBE DRIVER +3.3V IC902 REGULATOR +3.3V IC903 DIN 55 O-FL DATA REGULATOR CLKB 54 O-FL CLK IC207 CSB 53 O-FL CE (DH7BT) RSTB 52 O-FL RST...
  • Page 27 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 Note For Printed Wiring Boards and Schematic Diagrams Circuit Boards Location Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: X : parts extracted from the component side. All capacitors are in F unless otherwise noted. (p: pF) Y : parts extracted from the conductor side.
  • Page 28: Printed Wiring Boards - Servo Section (1/2)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 6-6. PRINTED WIRING BOARDS – SERVO Section (1/2) – See page 27 for Circuit Boards Location. :Uses unleaded solder. Semiconductor Location Ref. No. Location D1001 D3501 MAIN BOARD D3502 MS-214 BOARD DMB15 BOARD (SIDE A) CN301 (Page 39)
  • Page 29: Printed Wiring Board - Servo Section (2/2)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 6-7. PRINTED WIRING BOARD – SERVO Section (2/2) – See page 27 for Circuit Boards Location. :Uses unleaded solder. Semiconductor Location Ref. No. Location D3601 D3602 DMB15 BOARD (SIDE B) IC105 IC107 IC301 IC3711 IC3771...
  • Page 30: Schematic Diagram - Servo Section (1/4)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 6-8. SCHEMATIC DIAGRAM – SERVO Section (1/4) – See page 57 for IC Block Diagrams. (1/4) FCS- FCS- RF+3.3V FCS+ FCS+ RF1.8 TRK+ SD-RAM C178 TRK+ (Page 32) IC104 TRK- FL107 A2V64S40CTP-G75 TRK- OCSW1 (Page...
  • Page 31: Schematic Diagram - Servo Section (2/4)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 6-9. SCHEMATIC DIAGRAM – SERVO Section (2/4) – (2/4) REG01 (Page 30) REG02 FCS- FCS- FCS+ FCS+ TRK+ TRK+ TRK- TRK- R223 100k OCSW1 (Page 30) OCSW1 IOPMON R225 IOPMON 100k VREFO C211 VREFO 0.033...
  • Page 32: Schematic Diagram - Servo Section (3/4)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-10. SCHEMATIC DIAGRAM – SERVO Section (3/4) – See page 34 for Waveforms. See page 65 for IC Pin Function Description. 3 7 6 3 (3/4) CN301 RGBSEL DSEL R321 DSEL CR/R R4701 CR/R WIDE WIDE CB/B R4702 RF1.8 CB/B D-GND...
  • Page 33: Schematic Diagram - Servo Section (4/4)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-11. SCHEMATIC DIAGRAM – SERVO Section (4/4) – See page 57 for IC Block Diagrams. 3 7 6 3 (4/4) CN302 R3781 R3783 R3788 1.5k 3.9k 4.7k ART- XVOICE R3502 XVOICE SCORE R3503 XRST R314 SCORE C3781 C3782 ABCK R3653 R3782...
  • Page 34: Printed Wiring Board - Video Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 Waveforms 6-12. PRINTED WIRING BOARD – VIDEO Section – – DMB15 Board – – VIDEO Board – See page 27 for Circuit Boards Location. : Uses unleaded solder. IC102 6 (DVDRFIP) IC102 <x/c (YUV6) IC501 qh (CR OUT) (DVD play mode) (Color bar)
  • Page 35: Schematic Diagram - Video Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-13. SCHEMATIC DIAGRAM – VIDEO Section – See page 34 for Waveforms. See page 57 for IC Block Diagrams. CN501 VIDEO AMP, 75 DRIVER RGBSEL IC501 DSEL R502 MM1623BFBE CR/R C501 1 50V CR IN C511 R504 FB501...
  • Page 36: Schematic Diagram - Usb Section (1/2) (dh3/dh5bt)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-14. SCHEMATIC DIAGRAM – USB Section (1/2) (DH3/DH5BT) – See page 56 for Waveforms. See page 57 for IC Block Diagrams. See page 65 for IC Pin Function Description. (1/2) C909 R919 R916 CN908 VBUS-GND X901 9MHz...
  • Page 37: Schematic Diagram - Usb Section (2/2) (dh3/dh5bt)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-15. SCHEMATIC DIAGRAM – USB Section (2/2) (DH3/DH5BT) – See page 56 for Waveforms. See page 57 for IC Block Diagrams. See page 65 for IC Pin Function Description. (2/2) C983 C982 AVSS3 LPFN RFZi TMAX RFRP...
  • Page 38: Printed Wiring Board - Usb Section (dh3/dh5bt)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-16. PRINTED WIRING BOARD – USB Section (DH3/DH5BT) – See page 27 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 Semiconductor Location Ref. No. Location USB BOARD USB BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) D901 D902 D905 IC901 IC915...
  • Page 39: Printed Wiring Board - Main Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-17. PRINTED WIRING BOARD – MAIN Section – See page 27 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 Semiconductor Location ANTENNA FM75 Ref. No. Location COAXIAL D101 D102 TUNER (FM/AM) (DH5BT/DH7BT) (DH3/DH5BT) SUPPLIED WITH THE D103 POWER HT BOARD POWER BOARD...
  • Page 40: Schematic Diagram - Main Section (1/2)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-18. SCHEMATIC DIAGRAM – MAIN Section (1/2) – See page 56 for Waveforms. See page 57 for IC Block Diagrams. See page 65 for IC Pin Function Description. (1/2) R483 D102 MC2836 (DH3/DH5BT:AEP,AUS,SP) (DH5BT:CND/DH7BT) R454 R154 CN301...
  • Page 41: Schematic Diagram - Main Section (2/2)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-19. SCHEMATIC DIAGRAM – MAIN Section (2/2) – See page 57 for IC Block Diagrams. (Page 47) CN311 (2/2) D-OUT IC208 3.3V C248 DIGITAL OUT 100 10V(DH7BT) C248 OPTICAL 100 16V(DH3/DH5BT) D.GND R336 R335 C249 IC208 TOTX147...
  • Page 42: Printed Wiring Boards - Bluetooth Section (dh5bt/dh7bt)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-20. PRINTED WIRING BOARDS – BLUETOOTH Section (DH5BT/DH7BT) – See page 27 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 MAIN BOARD CN306 ANT BOARD BT BOARD (SIDE A) (Page 39) FB905 BLUETOOTH MODULE CN904 ANT901 PATTERN IC903...
  • Page 43: Schematic Diagram - Bluetooth Section (dh5bt/dh7bt)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-21. SCHEMATIC DIAGRAM – BLUETOOTH Section (DH5BT/DH7BT) – See page 57 for IC Block Diagrams. 3 7 6 3 CN902 R900 SPI_MOSI R913 R935 SPI_CLK +3.3V REGULATOR R936 SPI_MISO (NC) IC903 XC6213B332MR R937 SPI_CSB VOUT FB906 FB907 C905 C958 C957 C901...
  • Page 44: Printed Wiring Board - Xm Section (dh7bt)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-22. PRINTED WIRING BOARD – XM Section (DH7BT) – See page 27 for Circuit Boards Location. :Uses unleaded solder. MAIN BOARD XM BOARD XM BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) CN304 (Page 39) CN001 C052 C051 FB022 Q001...
  • Page 45: Schematic Diagram - Xm Section (dh7bt)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-23. SCHEMATIC DIAGRAM – XM Section (DH7BT) – See page 56 for Waveforms. See page 57 for IC Block Diagrams. See page 65 for IC Pin Function Description. J001 FB001 L002 C008 D011 2.2 H L001 C007 R010...
  • Page 46: Printed Wiring Board - Amp Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-24. PRINTED WIRING BOARD – AMP Section – See page 27 for Circuit Boards Location. :Uses unleaded solder. AMP BOARD (CONDUCTOR SIDE) AMP BOARD (COMPONENT SIDE) EP703 EP702 (CHASSIS) (CHASSIS) C747 C798 C761 L761 C777 C847 C786...
  • Page 47: Schematic Diagram - Amp Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-25. SCHEMATIC DIAGRAM – AMP Section – See page 56 for Waveforms. See page 57 for IC Block Diagrams. L710 C722 10 H 0.0022 L701 CN702 10 H C720 R721 R739 C723 0.0022 C844 A+5V C731 C714...
  • Page 48: Printed Wiring Boards - Input/output Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-26. PRINTED WIRING BOARDS – INPUT/OUTPUT Section – See page 27 for Circuit Boards Location. :Uses unleaded solder. JACK BOARD HP-AMP BOARD JW381 R394 (DH3/DH5BT) R386 R734 R733 C348 R716 Q316 C330 R384 R380 R378 JW710 Q701...
  • Page 49: Schematic Diagram - Input/output Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-27. SCHEMATIC DIAGRAM – INPUT/OUTPUT Section – See page 57 for IC Block Diagrams. CN702 CN701 9P(DH7BT) 9P(DH7BT) 13P(DH3/DH5BT) (DH3/DH5BT) FB742 13P(DH3/DH5BT) HP DET HP IN L J703 AUDIO DET MIC SCORE C746 FB743 MIC SCORE R371 R393...
  • Page 50: Printed Wiring Board - Karaoke Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-28. PRINTED WIRING BOARD – KARAOKE Section – See page 27 for Circuit Boards Location. :Uses unleaded solder. M201 VIDEO BOARD (Page 34) (FAN) W502 POWER HT BOARD R236 R250 F201 C259 C263 C262 FH202 FH201 DMB15...
  • Page 51: Schematic Diagram - Karaoke Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 6-29. SCHEMATIC DIAGRAM – KARAOKE Section – CN210 VMUTE FL GND (DH3/DH5BT:AEP,AUS,SP) IC211(1/2) D GND NJM2903M-TE2 D GND R244 R202 R210 2.2k A+9V R282 R281 R250 R236 R245 Q207 XM5.4V 2SA1235F Q202 R289 (Page 41) 2SA1235F +11V OVER CURRENT...
  • Page 52: Printed Wiring Boards - Panel Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.1 6-30. PRINTED WIRING BOARDS – PANEL Section – See page 27 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 Semiconductor Location Ref. No. Location PANEL BOARD D208 D902 B-11 D903 D904 JW931 FL901 JW937 FLUORESCENT INDICATOR TUBE D905...
  • Page 53: Schematic Diagram - Panel Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 6-31. SCHEMATIC DIAGRAM – PANEL Section – See page 56 for Waveforms. See page 57 for IC Block Diagrams. 3 7 6 3 R907 R906 R905 R904 R903 R902 4.7k 2.2k 2.2k S907 S906 S905 S904 S903 S902 S901 TUNER/BAND AUDIO IN...
  • Page 54: Printed Wiring Board - Power Supply Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 6-32. PRINTED WIRING BOARD – POWER SUPPLY Section – See page 27 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 Semiconductor Location (AC IN) POWER BOARD Ref. No. Location AMP BOARD CN704 (Page 46) (CHASSIS) AMP BOARD CN705...
  • Page 55: Schematic Diagram - Power Supply Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 6-33. SCHEMATIC DIAGRAM – POWER SUPPLY Section – See page 57 for IC Block Diagrams. See page 65 for IC Pin Function Description. 3 7 6 3 250V LINE FILTER AC_L (AC IN) AC_N 470p 250V 2.2M 0.22 0.22...
  • Page 56 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 6 3 Waveforms – MAIN Board – – XM Board – – AMP Board – – PANEL Board – – USB Board – IC901 ud (X2) IC101 oa (XT2) IC001 wh (OSC_OUT) IC701 q; (LRCK) IC902 ta (OSCO) (XM mode) 3.2 Vp-p 4.2 Vp-p...
  • Page 57 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 IC Block Diagrams – DMB15 Board – IC105, 107 TK11133CSCL-G OVER HEAT & OVER CURRENT PROTECTION CONTROL – CIRCUIT BANDGAP REFERENCE L 3 422 65 3 IC301 AK4358VQ-L 36 35 34 33 32 DATT LOUT4–...
  • Page 58 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 – VIDEO Board – IC501 MM1623BFBE S-DC OUT 28 VCC2 S1/S2 27 S-DC OUT 150k VCC1 BIAS 6.75MHz DRIVER LOW-PASS C IN 26 C OUT FILTER MUTE 1 25 S1 CLAMP –6dB 24 S2 CVBS IN 6.75MHz DRIVER...
  • Page 59 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 – MAIN Board – IC302 MC14052BDTR2 IC102 PST3629NR OUT 1 VDD 2 2-COM – 1-COM VREF GND 3 IC401 R2S15904SP TONE CONTROL L-CH BASS/TREBLE L 3 422 65 3 MODE SURROUND SELECTOR MUTE MUTE INPUT GAIN CONTROL...
  • Page 60 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 – XM Board – IC041 AK4384ET-E2 DZFL DZFR CLOCK DE-ENPHASIS MCLK DRIVER CONTROL VCOM AOUTL INTERPOLATOR MODULATOR BICK AUDIO SDTI DATA INTERFACE LRCK AOUTR INTERPOLATOR MODULATOR SMUTE/CSN ACKS/CCLK INTERFACE DIF0/CDTI – AMP Board – IC701 PCM1803DBR MODE1 DELTA-SIGMA...
  • Page 61 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 IC703 MC74VHC74DTR2 13 12 11 1 2 3 4 5 6 L 3 422 65 3 IC705 CXD9788AR CLOCK CLOCK GENERATOR 36 XFSIIN GENERATOR (SECONDARY) (PRIMARY) XVSS 35 DVDD VSUBC 34 TEST 33 BFVSS VSSR OUTR2 32 BFVDD...
  • Page 62 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 IC707 CXD9845AM GVDD_B 1 GVDD_B GVDD_A GVDD_A BST_A /UVP OVER CURRENT FAULT VREG /HIZ_HS PVDD_A GATE /OTW 2 /HIZ_LS DRIVE STUCK /SD 3 DETECT PROTECTION TIMING PWM_A 4 LOGIC CONTROL OUT_A GATE /OCH DRIVE /OCL /RESET...
  • Page 63 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 – JACK Board – IC702 M65850FP-E1 OSCILLATOR LPF2 1/2 VCC CLOCK AUTO MAIN 20KBIT RESET RESET CONTROL SRAM LPF1 L 3 422 65 3 – PANEL Board – IC902 PT6302LQ-010 VSS 49 OSCI 50 OSCILLATOR OSCO 51 TIMING...
  • Page 64 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 – POWER Board – IC601 MIP2F20MS1SO 6.6V 8 SOURCE 7 SOURCE VDD CLAMP ILIMIT CIRCUIT CONSTANT CORRECTION CURRENT CIRCUIT SOURCE CLAMP CIRCUIT – (ILIMIT SETTING) DRAIN CURRENT DETECT FOR LIGHT LOAD DETECTION INTERMITTENT OSCILLATION CONTROL –...
  • Page 65 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 IC Pin Function Description DMB15 BOARD IC102 CXD9849R (RF AMP, SERVO DSP, MPEG DECODER) Pin No. Pin Name Description AGND Ground terminal DVDA AC coupled input path A DVDB AC coupled input path B DVDC AC coupled input path C DVDD...
  • Page 66 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description Normal/squeeze selection signal output to the video amplifier WIDE "L": normal, "H": squeeze CD/DVD selection signal output terminal "L": CD, "H": DVD MAMUTE Muting control signal output terminal Not used DVDD18 Power supply terminal (+1.8V) IOA2 to IOA8,...
  • Page 67 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description Two-way data bus with the SD-RAM DVSS Ground terminal 117, 118 RD6, RD5 Two-way data bus with the SD-RAM DVSS Ground terminal 120, 121 RD4, RD3 Two-way data bus with the SD-RAM DVDD18 Power supply terminal (+1.8V) 123 to 126...
  • Page 68 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description DVDD3 Power supply terminal (+3.3V) 183 to 188 Not used DAVCC Power supply terminal (+3.3V) VREF For bandgap reference voltage terminal Not used Full scale adjustment terminal YUV0 Video data output terminal Not used DAVSS Ground terminal...
  • Page 69 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description LPFIP Data PLL loop filter input terminal LPFIN Data PLL loop filter input terminal LPFOP Data PLL loop filter output terminal VDD3 Power supply terminal (+3.3V) Not used Ground terminal 242, 243 Not used...
  • Page 70 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 USB BOARD IC901 TMP92CD28AFG-6UJ5 (USB CONTROLLER) Pin No. Pin Name Description /RESET Reset signal input from the system controller "L": reset Ready to send signal input from the system controller 3, 4 NO USE Not used Function selection signal input terminal Fixed at "L"...
  • Page 71 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description NO USE Not used DVSS Ground terminal Clear to send signal output to the system controller DATA Serial data output terminal Not used CLOCK Serial data transfer clock signal output terminal Not used TXD1 Serial data output to the system controller RXD1...
  • Page 72 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 USB BOARD IC951 TC94A70FG-007 (S, D) (MP3 PROCESSOR) Pin No. Pin Name Description AVSS3 Ground terminal RFZi RF ripple zero crossing signal input terminal Not used RFRP RF ripple signal output terminal Not used SBAD/RFDC Sub beam addition signal or RF peak detection signal output terminal Not used Focus error signal output terminal Not used...
  • Page 73 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description PIO0 Request signal output to the USB controller 49, 50 PIO1, PIO2 Not used PIO3 Gate signal input from the USB controller VSS1 Ground terminal VDDT3 Power supply terminal (+3.3 V) SBSY Subcode block sync signal output terminal Not used SBOK/FOK...
  • Page 74 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description FPi2 (D) Main beam (D) input terminal Not used FPi1 (B) Main beam (B) input terminal Not used TPi (F) Sub beam (F) input terminal Not used TNPC External capacitor connection terminal Not used TNi (E) Sub beam (E) input terminal Not used...
  • Page 75 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 MAIN BOARD IC101 UPD78F1165GF-DH3A-GAS-AX (DH3) (SYSTEM CONTROLLER) UPD78F1165GF-DH5BTA-GAS-AX (DH5BT) (SYSTEM CONTROLLER) UPD78F1165GF-DH7BTA-GAS-AX (DH7BT) (SYSTEM CONTROLLER) Pin No. Pin Name Description 1, 2 Not used O-SIR POWER Power on/off control signal output terminal for SIRIUS "L": power on (DH7BT) O-XM 3.3V P-ON Power (+3.3V) on/off control signal output terminal for XM section "L": power on (DH7BT) I-RDS CLK...
  • Page 76 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description I-MTK CLK Serial data transfer clock signal input from the servo DSP AVREF1 Reference voltage (+3.3V) input terminal (for D/A converter) NSP muting control signal output to the stream processor O-SM NSP MUTE O-SM INIT Initialize signal output to the stream processor...
  • Page 77 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description Ground terminal EVSS0 Ground terminal Power supply terminal (+3.3V) EVDD0 Power supply terminal (+3.3V) L 3 422 65 3 u 63 http://www.xiaoyu163.com...
  • Page 78 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 XM BOARD IC001 F2602E-01-TR (XM RECEIVER) Pin No. Pin Name Description LSDP_TXRX Not used Ground terminal SC_XT_OUT Serial data output to the system controller Power supply terminal (+3.3V) SC_RX_IN Serial data input from the system controller Ground terminal CDM_SEL Command mode selection signal input terminal Not used...
  • Page 79 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Pin No. Pin Name Description SAII_DA Not used SAII_EN Not used L 3 422 65 3 u 63 http://www.xiaoyu163.com...
  • Page 80 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 POWER BOARD IC11 CXD9841P (POWER CONTROL) Pin No. Pin Name Description VSENSE AC line voltage detection signal input terminal Feed back signal input terminal for frequency modulation of oscillator Connected to the external capacitor for oscillator duty/frequency setting Connected to the external resistor for oscillator frequency setting Ground terminal Connected to the external capacitor for determines intermittent operation period when abnormal...
  • Page 81: Exploded Views

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 SECTION 7 EXPLODED VIEWS 3 7 63 5 5 NOTE: The components identified by mark 0 or The mechanical parts with no reference -XX and -X mean standardized parts, so they dotted line with mark 0 are critical for safety. may have some difference from the original number in the exploded views are not supplied.
  • Page 82: Front Panel Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 7-2. FRONT PANEL SECTION (DH5BT/DH7BT) not supplied (ANT board) not supplied not supplied (TOP-KEY board) not supplied not supplied not supplied (JACK board) FL901 (DH5BT: CND, PANEL board AEP, RU) (DH5BT/ DH7BT) (DH3/DH5BT: AUS, CH, SP, TW, KR, TH) L 3 422 65 3...
  • Page 83: Back Panel Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 7-3. BACK PANEL SECTION DMB15 board section (DH7BT) (DH7BT) not supplied (DH3/ DH5BT) not supplied supplied (SP board) M201 not supplied (VIDEO board) supplied L 3 422 65 3 not supplied supplied supplied supplied...
  • Page 84: Q Q 7-4. Dmb15 Board Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 7-4. DMB15 BOARD SECTION not supplied supplied MAIN board section (DH5BT/DH7BT) L 3 422 65 3 DVD mechanism deck section (CDM86-DVBU101) not supplied Ref. No. Part No. Description Remark Ref. No. Part No.
  • Page 85: Main Board Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 7-5. MAIN BOARD SECTION not supplied not supplied not supplied (DH3/ DH5BT: AEP, RU, AUS, CH, SP, TW, KR, supplied not supplied supplied supplied L 3 422 65 3 not supplied not supplied supplied not supplied...
  • Page 86: Power Board Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 7-6. POWER BOARD SECTION not supplied not supplied not supplied not supplied POWER board F201 POWER HT board not supplied not supplied L 3 422 65 3 supplied Ref. No. Part No. Description Remark Ref.
  • Page 87: Dvd Mechanism Deck Section (cdm86-dvbu101)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 7-7. DVD MECHANISM DECK SECTION (CDM86-DVBU101) not supplied (MS-214 board) not supplied L 3 422 65 3 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 301 A-1254-454-A CDM86-DVBU101 ASSY 1-828-771-51 WIRE (FLAT TYPE) (24 CORE) u 63...
  • Page 88: Electrical Parts List

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 SECTION 8 3 7 63 5 5 ELECTRICAL PARTS LIST NOTE: RESISTORS : Thai model Due to standardization, replacements in the : Taiwan model parts list may be different from the parts All resistors are in ohms. specified in the diagrams or the components METAL: Metal-film resistor.
  • Page 89 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C797 1-107-726-91 CERAMIC CHIP 0.01uF R706 1-216-809-11 METAL CHIP 1/10W C798 1-126-964-11 ELECT 10uF R707 1-216-798-11 METAL CHIP 1/10W C799 1-107-726-91 CERAMIC CHIP 0.01uF R708 1-216-798-11 METAL CHIP...
  • Page 90 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R784 1-216-809-11 METAL CHIP 1/10W C958 1-162-919-11 CERAMIC CHIP 22PF R785 1-216-809-11 METAL CHIP 1/10W C965 1-126-189-11 ELECT CHIP 0.22uF R786 1-216-809-11 METAL CHIP 1/10W C966...
  • Page 91 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 DMB15 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R918 1-216-841-11 METAL CHIP 1/10W A-1239-786-A DMB15 BOARD, COMPLETE (for SERVICE) R921 1-216-809-11 METAL CHIP 1/10W (DH5BT: CND/DH7BT) R922 1-216-809-11 METAL CHIP 1/10W...
  • Page 92 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT DMB15 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C154 1-107-826-11 CERAMIC CHIP 0.1uF C302 1-125-891-11 CERAMIC CHIP 0.47uF C155 1-162-970-11 CERAMIC CHIP 0.01uF C305 1-125-891-11 CERAMIC CHIP 0.47uF C306 1-126-206-11 ELECT CHIP 100uF...
  • Page 93 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 DMB15 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB404 1-469-324-21 FERRITE, EMI (SMD) (2012) R121 1-216-801-11 METAL CHIP 1/10W FB405 1-469-324-21 FERRITE, EMI (SMD) (2012) R123 1-216-864-11 SHORT CHIP R124 1-216-841-11 METAL CHIP...
  • Page 94 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 DMB15 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R3503 1-216-809-11 METAL CHIP 1/10W R239 1-216-829-11 METAL CHIP 4.7K 1/10W R3651 1-216-864-11 SHORT CHIP R243 1-216-809-11 METAL CHIP 1/10W R3652 1-216-864-11 SHORT CHIP...
  • Page 95 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT DMB15 HP-AMP JACK 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < COMPOSITION CIRCUIT BLOCK > R371 1-216-829-11 METAL CHIP 4.7K 1/10W R372 1-216-829-11 METAL CHIP 4.7K 1/10W RB103 1-234-795-21 RES, NETWORK 0X4 (2010) R373 1-216-845-11 METAL CHIP...
  • Page 96 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT JACK 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JUMPER RESISTOR > C723 1-126-947-11 ELECT 47uF (DH3/DH5BT: AUS, SP) JR701 1-216-864-11 SHORT CHIP C724 1-165-176-11 CERAMIC CHIP 0.047uF JR704 1-216-864-11 SHORT CHIP (DH3/DH5BT: AUS, SP)
  • Page 97 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT JACK MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R725 1-216-837-11 METAL CHIP 1/10W C191 1-162-915-11 CERAMIC CHIP 10PF 0.5PF (DH3/DH5BT: AUS, SP) C192 1-162-915-11 CERAMIC CHIP 10PF 0.5PF R726 1-216-837-11 METAL CHIP...
  • Page 98 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D103 6-501-582-01 DIODE 1N4002-B5 C312 1-137-375-11 MYLAR 0.068uF D104 6-500-334-01 DIODE MC2836-T112-1 C313 1-137-375-11 MYLAR 0.068uF D105 6-501-582-01 DIODE 1N4002-B5 C314 1-137-375-11 MYLAR 0.068uF...
  • Page 99 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > R142 1-216-809-11 METAL CHIP 1/10W (DH7BT) Q102 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF R143 1-216-809-11 METAL CHIP 1/10W Q103 8-729-620-07 TRANSISTOR 2SC3052EF-T1-LEF (DH7BT) Q209...
  • Page 100 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R230 1-216-821-11 METAL CHIP 1/10W R342 1-216-809-11 METAL CHIP 1/10W (DH3/DH5BT) (DH3/DH5BT) R235 1-216-809-11 METAL CHIP 1/10W R237 1-216-809-11 METAL CHIP 1/10W R343 1-216-821-11 METAL CHIP...
  • Page 101 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT MAIN MS-214 PANEL 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R442 1-216-825-11 METAL CHIP 2.2K 1/10W D903 6-500-727-01 LED SLR-343DCT32 (USB MEMORY) (DH3) (DH7BT) D903 6-501-879-01 LED SELK6E10C-DTP5 (BLUETOOTH) R452 1-216-833-11 METAL CHIP 1/10W...
  • Page 102 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 PANEL POWER 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R936 1-216-864-11 SHORT CHIP 0 C22 1-107-824-11 CERAMIC 220PF 0 C23 1-107-824-11 CERAMIC 220PF R937 1-216-864-11 SHORT CHIP R938 1-216-864-11 SHORT CHIP 0 C24...
  • Page 103 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 POWER POWER HT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JR31 1-216-864-11 SHORT CHIP R659 1-216-821-11 METAL CHIP 1/10W JR32 1-216-864-11 SHORT CHIP R660 1-216-821-11 METAL CHIP 1/10W R661 1-216-833-11 METAL CHIP...
  • Page 104 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT POWER HT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C253 1-162-970-11 CERAMIC CHIP 0.01uF IC202 6-703-546-01 IC TA7804LS (DH3/DH5BT: AEP, AUS, SP) IC203 8-759-646-52 IC KIA7805API IC204 6-702-771-01 IC TA78033LS C254 1-126-947-11 ELECT 47uF...
  • Page 105 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT POWER HT TOP-KEY 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R256 1-216-841-11 METAL CHIP 1/10W (DH3/DH5BT: AEP, AUS, SP) SP BOARD R257 1-216-829-11 METAL CHIP 4.7K 1/10W ********* (DH3/DH5BT: AEP, AUS, SP) R258 1-216-841-11 METAL CHIP...
  • Page 106 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C902 1-124-779-00 ELECT CHIP 10uF D905 6-501-579-01 DIODE MC2837 C903 1-124-779-00 ELECT CHIP 10uF C904 1-124-779-00 ELECT CHIP 10uF < JUMPER RESISTOR/FERRITE BEAD > C905 1-107-826-11 CERAMIC CHIP 0.1uF...
  • Page 107 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT VIDEO 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R959 1-216-809-11 METAL CHIP 1/10W < CONNECTOR > R960 1-216-809-11 METAL CHIP 1/10W R961 1-216-805-11 METAL CHIP 1/10W CN501 1-779-281-11 CONNECTOR, FFC (LIF (NON-ZIF)) 13P R962 1-216-833-11 METAL CHIP 1/10W...
  • Page 108 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.1 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C015 1-162-919-11 CERAMIC CHIP 22PF C016 1-162-919-11 CERAMIC CHIP 22PF < RESISTOR > C017 1-162-919-11 CERAMIC CHIP 22PF R001 1-216-845-11 METAL CHIP 100K 1/10W...
  • Page 109 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-832-573-21 CABLE, FLEXIBLE FLAT (13 CORE) 1-831-946-21 CABLE, FLEXIBLE FLAT (15 CORE) (DH7BT) 1-831-707-21 CABLE, FLEXIBLE FLAT (9 CORE) (DH3/DH5BT: CND, RU, AUS, CH, SP, TW, KR, TH/DH7BT) 1-831-708-21 CABLE, FLEXIBLE FLAT (11 CORE)
  • Page 110 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 MEMO L 3 422 65 3 u 63 http://www.xiaoyu163.com...
  • Page 111 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 US Model HCD-DH7BT Canadian Model SERVICE MANUAL AEP Model HCD-DH5BT E Model Ver. 1.2 2007.10 Australian Model Chinese Model SUPPLEMENT-1 HCD-DH3/DH5BT File this supplement with the service manual. Subject: Change of HP-AMP, JACK, MAIN, POWER HT and SP boards (Suffix-13) In this set, HP-AMP, JACK, MAIN, POWER HT and SP boards have been changed in the midway of production.
  • Page 112: New/former Discrimination

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 1. NEW/FORMER DISCRIMINATION – JACK Board (Component Side) – – MAIN Board (Component Side) – Former : 1-873-264-11 : 1-873-264-13 Former : 1-873-260-11 : 1-873-260-13 – HP-AMP Board (Component Side) – – SP Board (Component Side) – L 3 422 65 3 Former : 1-873-267-11 : 1-873-267-13...
  • Page 113: Diagrams

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 DIAGRAMS Note for Printed Wiring Boards and Schematic Diagrams Note on Printed Wiring Board: Note on Schematic Diagram: X : parts extracted from the component side. All capacitors are in F unless otherwise noted. (p: pF) Y : parts extracted from the conductor side.
  • Page 114 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 2-1. PRINTED WIRING BOARDS – INPUT/OUTPUT Section – :Uses unleaded solder. HP-AMP BOARD JACK BOARD JW381 R394 (DH3/DH5BT) R386 R734 R733 C348 R716 C330 Q316 R384 R380 R378 JW710 Q701 R233 (DH3/DH5BT: AUS, CH, SP, TW, KR, TH) R374 C717 R709...
  • Page 115: Schematic Diagram - Input/output Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 2-2. SCHEMATIC DIAGRAM – INPUT/OUTPUT Section – CN702 CN701 9P(DH7BT) 9P(DH7BT) 13P(DH3/DH5BT) (DH3/DH5BT) FB742 13P(DH3/DH5BT) HP DET HP IN L J703 AUDIO DET MIC SCORE C746 MIC SCORE R371 R393 PHONES 0.022 FB743 (DH3/DH5BT) 4.7k...
  • Page 116: Printed Wiring Board - Karaoke Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 2-3. PRINTED WIRING BOARD – KARAOKE Section – :Uses unleaded solder. VIDEO BOARD M201 W502 (FAN) Refer to page 34 on original POWER HT BOARD service manual R236 R250 F201 C259 C263 C262 DMB15 BOARD FH202...
  • Page 117: Schematic Diagram - Karaoke Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 2-4. SCHEMATIC DIAGRAM – KARAOKE Section – CN210 VMUTE FL GND (DH3/DH5BT:AEP,RU,AUS,CH,SP,TW,KR,TH) IC211(1/2) D GND NJM2903M-TE2 D GND R244 R202 R210 2.2k A+9V R282 R281 R250 R236 R245 Q207 2SA1235F XM5.4V Q202 R289 (Page 9) 2SA1235F...
  • Page 118: Schematic Diagram - Main Section (1/2)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 2-5. SCHEMATIC DIAGRAM – MAIN Section (1/2) – (1/2) R483 D102 DH3:AUS,SP,TH/DH5BT:CND, MC2836 AEP,AUS,SP,TW,TH/DH7BT R455 (DH3:CH,KR/DH5BT:RU,KR) R155 DH3:AUS,SP,KR,TH/ R454 DH3:CH/DH5BT: R154 DH5BT:AEP,RU,AUS, CH,CND/DH7BT SP,TW,KR,TH CN301 DH3:CH,SP,KR,TH/ KRMOD R453 DH5BT:CH,SP,TW,KR,TH R153 Q228 CN308 RT1N141C DH3:AUS/DH5BT:CND, DISCHARGE...
  • Page 119: Schematic Diagram - Main Section (2/2)

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 3 7 6 3 2-6. SCHEMATIC DIAGRAM – MAIN Section (2/2) – (Refer to page 47 on original service manual) CN311 (2/2) D-OUT IC208 3.3V C248 DIGITAL OUT 100 10V(DH7BT) C248 OPTICAL 100 16V(DH3/DH5BT) D.GND R336 R335 C249 IC208...
  • Page 120: Printed Wiring Board - Main Section

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 2-7. PRINTED WIRING BOARD – MAIN Section – :Uses unleaded solder. 3 7 6 3 Semiconductor Location ANTENNA FM75 COAXIAL Ref. No. Location (DH5BT/DH7BT) (DH3/DH5BT) D101 (Page 6) TUNER (FM/AM) POWER BOARD PANEL BOARD BT BOARD USB BOARD D102 SUPPLIED WITH THE...
  • Page 121: Electrical Parts List

    http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 HP-AMP JACK 3 7 63 5 5 ELECTRICAL PARTS LIST NOTE: RESISTORS : Thai model Due to standardization, replacements in the : Taiwan model parts list may be different from the parts All resistors are in ohms. specified in the diagrams or the components METAL: Metal-film resistor.
  • Page 122 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 JACK 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C713 1-126-960-11 ELECT < FERRITE BEAD/JUMPER RESISTOR > (DH3/DH5BT) C714 1-126-960-11 ELECT FB741 1-216-864-11 SHORT CHIP (DH3/DH5BT: AUS, CH, SP, TW, KR, TH) FB742 1-216-864-11 SHORT CHIP C715...
  • Page 123 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 JACK MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R714 1-216-837-11 METAL CHIP 1/10W < VARIABLE RESISTOR > (DH5BT: CND, AEP, RU) R714 1-216-845-11 METAL CHIP 100K 1/10W VR701...
  • Page 124 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C246 1-164-156-11 CERAMIC CHIP 0.1uF C338 1-165-908-11 CERAMIC CHIP (DH7BT) (DH5BT/DH7BT) C247 1-164-156-11 CERAMIC CHIP 0.1uF C341 1-165-908-11 CERAMIC CHIP (DH7BT) (DH7BT) C248...
  • Page 125 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R108 1-216-809-11 METAL CHIP 1/10W IC208 6-600-465-11 IC TOTX147 (DIGITAL OUT OPTICAL) (DH3/DH5BT) IC302 8-759-430-37 IC MC14052BDTR2 (DH5BT/DH7BT) R109 1-216-809-11 METAL CHIP 1/10W...
  • Page 126 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT MAIN 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R166 1-216-809-11 METAL CHIP 1/10W (DH5BT/DH7BT) R303 1-216-809-11 METAL CHIP 1/10W R167 1-216-809-11 METAL CHIP 1/10W R304 1-216-809-11 METAL CHIP 1/10W (DH5BT/DH7BT) R305...
  • Page 127 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 MAIN POWER HT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R366 1-216-845-11 METAL CHIP 100K 1/10W A-1236-743-A POWER HT BOARD, COMPLETE (DH7BT) (DH5BT/DH7BT) A-1236-767-A POWER HT BOARD, COMPLETE (DH3/DH5BT: R367 1-216-845-11 METAL CHIP 100K...
  • Page 128 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 POWER HT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C264 1-164-156-11 CERAMIC CHIP 0.1uF JR211 1-216-864-11 SHORT CHIP (DH3/DH5BT: AEP, RU, AUS, CH, SP, TW, KR, JR212 1-216-864-11 SHORT CHIP <...
  • Page 129 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT Ver. 1.2 POWER HT 3 7 63 5 5 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R258 1-216-841-11 METAL CHIP 1/10W R283 1-216-817-11 METAL CHIP 1/10W (DH3/DH5BT: AEP, RU, AUS, CH, SP, TW, KR, (DH3/DH5BT: AEP, RU, AUS, CH, SP, TW, KR, R284 1-216-825-11 METAL CHIP...
  • Page 130 http://www.xiaoyu163.com HCD-DH3/DH5BT/DH7BT 3 7 63 5 5 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver.

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