Sony MHC-V71 Service Manual
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2018/05/30 01:52:46 (GMT+09:00)
SERVICE MANUAL
Ver. 1.1 2018.05
Note:
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus affected unit was found during
service, contact your Service Headquarters.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(US models only)
With 4 ohm loads, both channels driven, from
400 Hz – 20,000 Hz; rated 60 watts per channel
minimum RMS power, with no more than 0.7%
total harmonic distortion from 250 milliwatts to
rated output.
Speaker section
Speaker system:
3-way, Double Bass Reflex
Speaker unit:
Tweeter L/R: 50 mm (2 in), cone type
Midrange L/R: 120 mm (4 3/4 in), cone type
Woofer: 300 mm(11 7/8 in), cone type
Inputs
AUDIO/PARTY CHAIN IN L/R (V71):
Voltage 2 V, impedance
24 kilohms
AUDIO/PARTY CHAIN IN (TV) L/R (V71D):
Voltage 2 V, impedance
24 kilohms
TV (ARC) (V71D):
Supported audio signal:
2-channel Linear PCM
MIC1:
Sensitivity 1 mV, impedance
10 kilohms
MIC2/GUITAR:
Sensitivity 1 mV, impedance
10 kilohms (When guitar mode is
turned off.)
Sensitivity 200 mV, impedance
250 kilohms (When guitar mode is
turned on.)
Outputs
AUDIO/PARTY CHAIN OUT L/R:
Voltage 2 V, impedance 1 kilohm
VIDEO OUT (V71D):
Max. output level 1 Vp-p,
unbalanced, Sync. negative load
impedance 75 ohms
9-890-695-02
2018E81-1
©
2018.05
MHC-V71/V71D
CD/DVD
Section
HDMI OUT (TV) ARC (V71D):
Supported audio signal:
2-channel Linear PCM (up to
48 kHz), Dolby Digital
HDMI section (V71D)
Connector:
Type A (19 pin)
Disc player section
System:
Compact disc and digital audio
system (V71)
Compact disc and digital audio
and video system (V71D)
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6 μW
* This output is the value measurement
at a distance of 200 mm from the
objective lens surface on the Optical
Pick-up Block with 7 mm aperture.
Frequency response:
20 Hz – 20 kHz
Video color system format (V71D):
Latin American model:
NTSC
Other models:
NTSC and PAL
USB section
Supported USB device:
Mass Storage Class
Maximum current:
1 A
(USB) port:
Type A
FM tuner section
FM stereo, FM superheterodyne tuner
Antenna:
FM lead antenna
Tuning range:
87.5 MHz – 108.0 MHz (100 kHz
step) (V71)
Sony Corporation
Published by Sony EMCS (Malaysia) PG Tec
Photo: MHC-V71D
Model Name Using Similar Mechanism
CD/DVD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
87.5 MHz – 108.0 MHz (50 kHz
step) (V71D)
BLUETOOTH section
Communication system:
BLUETOOTH Standard version 4.2
Output:
BLUETOOTH Standard Power Class 2
Maximum output power (V71D):
< 9.5 dBm
Maximum number of devices to be registered:
8 devices
Maximum number of simultaneous connection
(Multipoint):
3 devices
Maximum communication range:
Line of sight approx. 10 m (33 ft)
Frequency band:
2.4 GHz band (2.4000 GHz –
2.4835 GHz)
Modulation method:
FHSS (Freq Hopping Spread Spectrum)
Compatible BLUETOOTH profiles
A2DP (Advanced Audio Distribution
Profile)
AVRCP (Audio Video Remote
Control Profile)
SPP (Serial Port Profile)
HFP (Hands-free Profile)
HSP (Headset Profile)
Supported codecs:
SBC (Subband Codec)
AAC (Advanced Audio Coding)
LDAC
*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.
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
MHC-V71D
MHC-V77W/V77DW
CDM90-DVBU204//M
CMS-S76RFS7G1 OR CMS-S76RFS7GP
NFC section (V71D)
Operating frequency:
13.56 MHz
Supported audio formats
Supported bit rate and sampling frequencies:
MP3:
32/44.1/48 kHz, 32 kbps –
320 kbps (VBR)
AAC:
44.1 kHz, 48 kbps – 320 kbps
(CBR/VBR)
WMA:
44.1 kHz, 48 kbps – 192 kbps
(CBR/VBR)
WAV:
*1
44.1/48 kHz (16 bit)
Supported video formats (V71D)
Xvid:
Video codec: Xvid video
Bit rate: 4.854 Mbps (MAX)
Resolution/Frame rate:
:
*2
720 × 480, 30 fps
720 × 576, 25 fps (except for Latin
American model)
Audio codec: MP3
MPEG4:
File format: MP4 File Format
Video codec: MPEG4 Simple
Profile (AVC is not compatible.)
Bit rate: 4 Mbps
Resolution/Frame rate:
720 × 480, 30 fps
720 × 576, 25 fps (except for Latin
American model)
Audio codec: AAC-LC (HE-AAC is
not compatible.)
DRM: Not compatible
– Continued on next page –
HOME AUDIO SYSTEM
MHC-V71
SYS SET

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Summary of Contents for Sony MHC-V71

  • Page 1 87.5 MHz – 108.0 MHz (100 kHz VIDEO OUT (V71D): indicate the purpose of BLUETOOTH step) (V71) Max. output level 1 Vp-p, communication between devices. HOME AUDIO SYSTEM unbalanced, Sync. negative load impedance 75 ohms 9-890-695-02 Sony Corporation 2018E81-1 © 2018.05 Published by Sony EMCS (Malaysia) PG Tec SYS SET...
  • Page 2 HDMI Licensing Administrator, Inc. in the United States and other countries. Earth Ground • “ BRAVIA” is a trademark of Sony Corporation. Fig. A. Using an AC voltmeter to check AC leakage. • L DAC™ and LDAC logo are trademarks of Sony Corporation.
  • Page 3: Table Of Contents

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D TABLE OF CONTENTS SERVICING NOTES ..........6-11. Printed Wiring Board - SMPS Board (EA, BR, AR, LA9, E12), DISASSEMBLY SMPS (EMC) Board (US, CND, AEP, UK, RU, MY, AUS, E4) -....2-1. Disassembly Flow ............6-12. Printed Wiring Board - 2-2. Side Panel L, R ............... 10 HUB Board 2-3.
  • Page 4: Servicing Notes

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 SECTION 1 SERVICING NOTES UNLEADED SOLDER PLAYABLE DISCS Boards requiring use of unleaded solder are printed with the • DVD VIDEO leadfree mark (LF) indicating the solder contains no lead. • DVD-R/DVD-RW in DVD VIDEO format or video mode (Caution: Some printed circuit boards may not come printed with • DVD+R/DVD+RW in DVD VIDEO format...
  • Page 5 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 MODEL IDENTIFICATION – Rear View – MODEL NUMBER LABEL US, CND E4, E12, AUS MODEL NO. : MHC-V71 MODEL NO. : MHC-V71D 4-729-109-11 E4/E12 4-729-110-12 CEL/CEK Destination Code Destination Code PART No. PART No. AEP, UK MODEL NO.
  • Page 6 Immediately unplug the AC power cord (mains lead), and check if anything is blocking the ventilation openings of the unit. After you have checked and found no problems, reconnect the AC power cord (mains lead), and turn on the system. If the issue persists, contact your nearest Sony dealer. SYS SET...
  • Page 7 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF Note 1: After the side panel L, R are removed, this work is done. Note 2: Please prepare the thin wire (clip etc. processed to the length of 8 cm or more).
  • Page 8 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 CAPACITOR DISCHARGE FOR ELECTRIC SHOCK PREVENTION SMPS Board (Conductor side view) In checking the SMPS board, make 4 capacitors discharge of C6301, C6322, C6505 and C6506 for eletrical shock prevention. 800 Ω/5 W 800 Ω/5 W 800 Ω/5 W...
  • Page 9: Disassembly

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SECTION 2 DISASSEMBLY Note: Disassemble the unit in the order as shown below. 2-1. DISASSEMBLY FLOW 2-2. SIDE PANEL L, R 2-14. BOTTOM COVER SECTION (Page 10) (Page 22) 2-3. LOADING PANEL ASSY (Page 11) 2-4. TOP PANEL (VANILLA) SECTION (Page 12) 2-5. REAR COVER, VENTILATION COVER (Page 13) 2-6.
  • Page 10: Side Panel L, R

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 Note: Follow the disassembly procedure in the numerical order given. 2-2. SIDE PANEL L, R 1 three screws (tapping (flat head)) 2 two screws 3 boss (tapping (flat head)) 3 boss 5 panel, side L 5 panel, side R 4 Remove the panel, side L 1 three screws in the direction of the arrow.
  • Page 11: Loading Panel Assy

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-3. LOADING PANEL ASSY 3 three claws hole 4 panel, loading assy – Left view – CD/DVD mechanism Draw out the tray. deck Insert the clip etc. processed to the 1 Insert the clip etc. length of 8 cm or more in the hole on the side of the CDM and push.
  • Page 12: Top Panel (Vanilla) Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-4. TOP PANEL (VANILLA) SECTION qs Remove the panel, top (vanilla) section in the direction of the arrow. qd panel, top (vanilla) section • Wire setting top side filament tape 4 flexible flat cable 2 one screw...
  • Page 13: Rear Cover, Ventilation Cover

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-5. REAR COVER, VENTILATION COVER 5 three screws (+BVTP 3 x 8) 8 Remove the cover, ventilation in the direction of the arrow. 6 cover, rear 3 one screw (+BVTP 3 x 8) 2 cover, screw L 9 cover, ventilation 1 Insert the clip etc.
  • Page 14: Back Panel Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-6. BACK PANEL SECTION Note : When you install the connector, please install them correctly. • Wire setting There is a possibility that this machine damages when not panel, back section MOTHERBOARD board correctly installing it.
  • Page 15: Cdm Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-7. CDM SECTION 8 four screws Note 1: When installing the flexible flat cable, ensure that the (+BVTP 3 x 8) colored line is not slanted after insertion. Insert is straight to the interior. Insert is incline...
  • Page 16: Service, Optical Device (7G), Flexible Flat Cable

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 2-8. SERVICE, OPTICAL DEVICE (7G), FLEXIBLE FLAT CABLE 2 chuck holder assy (T) 1 six claws qh flexible flat cable qa insulator qf filament tape (5 core) 7 four insulator screws qs service, optical device (7G) qa insulator...
  • Page 17: Motherboard Board

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-9. MOTHERBOARD BOARD Note 1: When the complete MOTHERBOARD board is replaced, be sure to refer to “DESTINATION SETTING METHOD” on supplement-1. 4 two screws qk heat sink (MB-L) (VANILLA) (+BVTP 3 x 8) Note 2: When installing the heat sink (MB-L) (VANILLA),...
  • Page 18: Smps Board, Chassis Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-10. SMPS BOARD, CHASSIS SECTION Note : When you install the connector, please install them correctly. There is a possibility that this machine damages when not correctly installing it. Insert is straight Insert is shallow Insert is incline to the interior.
  • Page 19: Front Panel (Vanilla) Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-11. FRONT PANEL (VANILLA) SECTION 1 three screws 4 sound generator 12cm (+ flat tapping screw - ED BK) 3 Slide out to remove the sound generator 12cm in the direction 2 seven claws of the arrow.
  • Page 20: Loudspeaker (320Mm)-266-11 (Woofer) (Sp5)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-12. LOUDSPEAKER (320MM)-266-11 (WOOFER) (SP5) • Wire setting 3 Push the protrusion, and remove top side the terminal (narrow side) [black]. 3 Push the protrusion, and remove the terminal (wide side) [grey]. loudspeaker (320mm)-266-11 (woofer) (SP5)
  • Page 21: Loudspeaker (120Mm)-270-11 (Mid: L-Ch) (Sp1)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 2-13. LOUDSPEAKER (120MM)-270-11 (MID: L-CH) (SP1), LOUDSPEAKER (120MM)-270-11 (MID: R-CH) (SP3) • Wire setting 3 Push the protrusion, and remove • Installation direction for the loudspeaker the terminal (narrow side) [blue]. (120MM)-270-11 (SP1), (SP3) terminal position...
  • Page 22: Bottom Cover Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 2-14. BOTTOM COVER SECTION 3 Insert the jig into a space and Note 3 : When you install slowly remove the cover, bottom the connector, section. please install them Note 1: When using a jig, correctly. please work so as not...
  • Page 23: Test Mode

    3. “COLD RST” appears on the screen display panel. After that, This is the display check mode. “SONY DEMO” appears on the screen display panel. The Touch [N] touch key repeatedly to toggle different display system automatically turn on and off once. Please be sure that...
  • Page 24: Electrical Check

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SECTION 4 ELECTRICAL CHECK FOCUS BIAS CHECK TUNER SECTION 0 dB = 1 μV oscilloscope FM AUTO STOP CHECK (DC range) signal MOTHERBOARD board generator CN302 pin 17 (RF) CN302 pin 1 (GND) – Procedure: 1. Connect the oscilloscope to CN302 pin 17 (RF) and CN302 pin 1 (GND) on the MOTHERBOARD board.
  • Page 25: Troubleshooting

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SECTION 5 TROUBLESHOOTING SYS SET...
  • Page 26 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SYS SET...
  • Page 27 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SYS SET...
  • Page 28 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SYS SET...
  • Page 29 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SYS SET...
  • Page 30 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 IC003 CL404 C2200 R097 R3047 C2228 R028 CL3008 C066 CL405 JL2223 CL401 R3046 R091 R094 Q459 R3048 R2226 JL070 R3045 JL2221 JL2222 JL2200 JL405 R944 CL3059 C3018 R3040 JL130 R939 R3041 R3044 C936 L902 R947 R3014...
  • Page 31 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D SYS SET...
  • Page 32: Diagrams

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 SECTION 6 DIAGRAMS • Circuit Boards Location VFD board SENSOR board MIC USB board POWER KEY board SMPS board (EA, BR, AR, LA9, E12) / SMPS (EMC) NFC board board (US, CND, AEP, UK, RU, MY, AUS, E4)
  • Page 33: Block Diagram - Main Section (1/2)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-1. BLOCK DIAGRAM - MAIN Section (1/2) - V71D >001B STEREO A/D CONVERTER DIR_CP_TUNER_SDA IC904 MAIN SECTION(2/2) DIR_CD_TUNER_SCL (Page 34) TUNER BT BCK TUNER BT LRCK TUNER BT DATA >002B ARC-SPDIF ARC_SPDIF CD/DVD, USB, HDMI SECTION...
  • Page 34: Block Diagram - Main Section (2/2)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-2. BLOCK DIAGRAM - MAIN Section (2/2) - >001B TUNER BT DATA MAIN SECTION(1/2) TUNER BT LRCK (Page 33) TUNER BT BCK DIR_CP_TUNER_SCL DIR_CP_TUNER_SDA FM DRIVER SYSTEM CONTROL (FM RECEIVER) CN900 IC109 (2/6) IC902 ANTENNA FRF1...
  • Page 35: Block Diagram - Amp Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 6-3. BLOCK DIAGRAM - AMP Section - AUDIO CODEC DIGITAL POWER AMP IC2001 IC2002 >003B ARAGON-MCK 11 MCLK PWM_P_2 14 INPUT_C OUT_C MAIN SECTION (1/2) ARAGON-LRCK TWEETER (Page 33) 22 LRCLK PWM_P_1 15 INPUT_D (L-CH) ARAGON-SCLK 23 SCLK...
  • Page 36: Block Diagram - Cd/Dvd, Usb, Hdmi Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-4. BLOCK DIAGRAM - CD/DVD, USB, HDMI Section - FOCUS/TRACKING ERROR AMP CD/DVD SYSTEM PROCESSOR V71D SERVICE, OPTICAL DEVICE (7G) DIGITAL SERVO PROCESSOR CN302 IC301 J601 CVBS 98 VIDEO OUT RFIP MTK-LRCK ALS/ALRCK GPIO ASDATA0 CENTER/ASDATA0 GPIO MTK-MCK >002B...
  • Page 37: Block Diagram - Touch, Led Driver Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 6-5. BLOCK DIAGRAM - TOUCH, LED DRIVER Section - M+5.2V TOUCH SENSOR CONTROL SYSTEM CONTROL LED DRIVER LED DRIVER IC5200 IC109 (5/6) IC5002 IC4300 D5200 SIN_VOL MEGABASS LED DRIVE SOUT 22 JL5229 GESTURE ON/OFF 1 CS0/PS0 OUT14 19...
  • Page 38: Panel, Power Supply Section (1/2)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-6. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section (1/2) - >005B MAIN ON PANEL, POWER SUPPLY SECTION (2/2) +13V SYSTEM CONTROL (Page 39) REMOTE CONTROL IC109 (6/6) RECEIVER POWER DISTRIBUTION IC4200 PROTECTION CONTROL PCONT-DAMP SWITCH Q576...
  • Page 39: Panel, Power Supply Section (2/2)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 6-7. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section (2/2) - DIGITAL POWER AMP IC2002 PVDD_CD PVDD_CD PVDD_CD TRANSFORMER PVDD_AB T6300 D6000 PVDD_AB D6504 PVDD_AB SWITCHING MODE POWER SUPPLY CONTROL IC6300 D6501 D6307 DRIVER F6500 Q6300, Q6301, Q6302, Q6303 >005B...
  • Page 40 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 • 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 µF unless otherwise noted. (p: pF) • : parts extracted from the conductor side. 50 V or less are not indicated except for electrolytics • : Pattern from the side which enables seeing. and tantalums. (The other layer’s patterns are not indicated.) • All resistors are in Ω and W or less unless otherwise specified. Caution: • 2 : nonflammable resistor.
  • Page 41: Printed Wiring Board - Motherboard Board

    J602  J601  VIDEO OUT (CONDUCTOR SIDE) (COMPONENT SIDE) SPEAKERS  AUDIO/PARTY HDMI OUT AUDIO/PARTY CHAIN IN (TV) ARC CHAIN OUT  MHC-V71 SERVICE ONLY  MHC-V71D ANTENNA CN1000 CN2021 JL2029 CN900 CN108 C2095 C2151 JL900 JL620 C2084 (CHASSIS) JL901 ...
  • Page 42: Printed Wiring Board - Sensor Board (Component Side)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 6-9. PRINTED WIRING BOARD - SENSOR Board (Component Side) - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. SENSOR BOARD (COMPONENT SIDE) D5005 JL5224 JL5208 JL5200 JL5201 JL5221 JL5207 G U I T A R...
  • Page 43: Printed Wiring Board - Sensor Board (Conductor Side)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-10. PRINTED WIRING BOARD - SENSOR Board (Conductor Side) - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. SENSOR BOARD (CONDUCTOR SIDE) VFD BOARD CN4000 (Page 46) >009P C5033 C5026 C5024...
  • Page 44: Printed Wiring Board - Smps Board (Ea, Br, Ar, La9, E12), Smps (Emc) Board (Us, Cnd, Aep, Uk, Ru, My, Aus, E4)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-11. PRINTED WIRING BOARD - SMPS Board (EA, BR, AR, LA9, E12), SMPS (EMC) Board (US, CND, AEP, UK, RU, MY, AUS, E4) - • See page 32 for Circuit Boards Location. • : Uses unleaded solder.
  • Page 45: Printed Wiring Board - Hub Board (Us, Cnd, Aep, Uk, Ru, My, Aus, E4), Hub //Non-Emc Board (Ea, Br, Ar, La9, E12)

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-12. PRINTED WIRING BOARD - HUB Board (US, CND, AEP, UK, RU, MY, AUS, E4), HUB //NON-EMC Board (EA, BR, AR, LA9, E12) - • See page 32 for Circuit Boards Location. • : Uses unleaded solder.
  • Page 46: Printed Wiring Board - Mic Usb Board

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 6-14. PRINTED WIRING BOARD - VFD Board - 6-13. PRINTED WIRING BOARD - MIC USB Board - • • • See page 32 for Circuit Boards Location. : Uses unleaded solder. • See page 32 for Circuit Boards Location.
  • Page 47: Printed Wiring Board - 360 Back L Board

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 6-15. PRINTED WIRING BOARD - 360 BACK L Board - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. 360 BACK L BOARD CL4463 CL4465 CN4460 CL4462 D4460 D4461 D4462 R4467 CL4461 >017P EXTENSION BOARD...
  • Page 48: Printed Wiring Board - 360 Fr L Board

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-17. PRINTED WIRING BOARD - 360 FR L Board - • See page 32 for Circuit Boards Location. • : Uses unleaded solder. 360 FR L BOARD CL4476 CL4474 JR4485 CL4473 JR4472 CN4470 D4470 D4471 D4472...
  • Page 49: Printed Wiring Board - Power Key Board

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 6-21. PRINTED WIRING BOARD - NFC Board - 6-19. PRINTED WIRING BOARD - POWER KEY Board - • • • See page 32 for Circuit Boards Location. : Uses unleaded solder. • See page 32 for Circuit Boards Location.
  • Page 50: Printed Wiring Board - Spk Mid L Board

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 6-25. PRINTED WIRING BOARD - SW LED L Board - 6-23. PRINTED WIRING BOARD - SPK MID L Board - • • • See page 32 for Circuit Boards Location. : Uses unleaded solder. • See page 32 for Circuit Boards Location.
  • Page 51: Exploded Views

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 SECTION 7 EXPLODED VIEWS Note: The components identified by mark 0 • The mechanical parts with no reference • -XX and -X mean standardized parts, so or dotted line with mark 0 are critical for number in the exploded views are not sup- they may have some difference from the safety.
  • Page 52: Loading Panel, Rear Cover Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-2. LOADING PANEL, REAR COVER SECTION top panel section back panel section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2595-667-2 PANEL, LOADING ASSY 4-729-065-01 COVER, REAR (V71D) 4-591-404-01 SCREW, TAPPING (FLAT HEAD)
  • Page 53: Back Panel Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-3. BACK PANEL SECTION CDM section SMPS board section MOTHERBOARD board section (V71D) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-735-267-01 COVER, JACK (V71D) 7-682-547-04 SCREW +B 3X6 (V71D) 4-735-267-11 COVER, JACK (V71)
  • Page 54: Motherboard Board Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-4. MOTHERBOARD BOARD SECTION chassis section Note 1: When the MOTHERBOARD board is replaced, spread the compound referring to “NOTE OF REPLACING IC2002 ON THE MOTHERBOARD BOARD AND THE COMPLETE MOTHER- BOARD BOARD” on servicing notes (page 6).
  • Page 55: Smps Board, Chassis Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-5. SMPS BOARD, CHASSIS SECTION (US, CND, AEP, UK, RU, MY, AUS, E4) front panel section (US, CND, AEP, UK, RU, MY, AUS, E4) speaker cabinet section bottom cover section Ref. No. Part No. Description Remark Ref.
  • Page 56: Front Panel Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-6. FRONT PANEL SECTION Note: If flexible flat cable is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-2192-334-A IR BOARD, COMPLETE 1-912-628-12 FLEXIBLE FLAT CABLE (17 CORE) A-2197-353-A HUB BOARD, COMPLETE 1-912-630-12 FLEXIBLE FLAT CABLE (4 CORE)
  • Page 57: Bottom Cover Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-7. BOTTOM COVER SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-532-593-02 SCREW (4X13) (TR-184A) A-2199-446-A EXTENSION BOARD, COMPLETE 4-532-593-02 SCREW (4X13) (TR-184A) 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3 X-2595-666-3 COVER, BOTTOM ASSY...
  • Page 58: Speaker Cabinet Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-8. SPEAKER CABINET SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-229-966-02 SCREW (4X16), +BV TAPPING 1-859-266-11 LOUDSPEAKER (320MM)-266-11 (Woofer) 4-229-966-02 SCREW (4X16), +BV TAPPING 1-859-270-11 LOUDSPEAKER (120MM)-270-11 (Mid: L-CH) 4-229-966-02...
  • Page 59: Top Panel Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-9. TOP PANEL SECTION SENSOR board (ns) ND4000 Note: If flexible flat cable is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-912-627-11 FLEXIBLE FLAT CABLE (5 CORE) 4-586-705-21 DOUBLE ADHESIVE TAPE A-2193-429-A POWER KEY BOARD, COMPLETE...
  • Page 60: Cdm Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 7-10. CDM SECTION CD/DVD mechanism section (CDM90-DVBU204//M) (US, CND, AEP, UK, RU, MY, AUS, E4) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-535-577-01 STEP SCREW M2.6 1-469-829-11 CORE, FERRITE 2-345-115-01 SCREW (S), FLOAT...
  • Page 61: Cd/Dvd Mechanism Section

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D 7-11. CD/DVD MECHANISM SECTION (CDM90-DVBU204//M) (including MS-476 board) MS-476 board (ns) Note: If flexible flat cable is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1896-391-B LOADING COMPLETE ASSY (T) 1-912-622-11 FLEXIBLE FLAT CABLE (24 CORE) (including MS-476 board)
  • Page 62: Electrical Parts List

    2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 SECTION 8 ELECTRICAL PARTS LIST 360 BACK L 360 BACK R 360 FR L 360 FR R METAL: Metal-film resistor. The components identified by mark 0 EXTENSION METAL OXIDE: Metal oxide-film resistor. or dotted line with mark 0 are critical for HUB //NON-EMC...
  • Page 63 2018/05/30 01:52:46 (GMT+09:00) MHC-V71/V71D Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MISCELLANEOUS 4-734-747-21 MANUAL, INSTRUCTION (PORTUGESE) (E4) 4-734-747-31 MANUAL, INSTRUCTION (RUSSIAN, UKRAINIAN) ************** (RU) 0 153 1-855-006-41 FAN, DC 4-734-747-42 MANUAL, INSTRUCTION (PORTUGESE) (BR) 1-457-369-12...
  • Page 64 MHC-V71/V71D 2018/05/30 01:52:46 (GMT+09:00) US Model Canadian Model SERVICE MANUAL MHC-V71 AEP Model UK Model Ver. 1.1 2018.05 E Model Australian Model MHC-V71D SUPPLEMENT-1 File this supplement with the service manual. Subject: Addition of SERVICING NOTES 9-890-695-81 SYS SET...
  • Page 65 CIS country) 4. Touch [N] touch key to confirm the selection. 5. "RESET" appears on the screen display panel. After that, "SONY"appears on the screen display panel. The system auto- matically turn on and off once. Please be sure that the system stay at demo mode finally before switch off the power supply. 6. Mode in "MODEL, DESTINATION AND VERSION DISPLAY MODE" on page 23 again to confirm on the model...
  • Page 66 Ver. Date Description of Revision 2018.02 2018.05 Addition of MHC-V71 model. Addition Argentina and Malaysia models (MHC-V71D). Addition of SERVICING NOTES (SUPPLEMENT-1). Add CN3007, FB013 and R2153 in MOTHERBOARD board. Add R070 in MOTHERBOARD board for MHC-V71D. Add one CLAMP (N) in page 17 and 54.

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