Sony MHC-V21D Service Manual
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2018/08/28 21:56:45 (GMT+09:00)
SERVICE MANUAL
Ver. 1.1 2018.08
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 aff ected unit was found during
service, contact your Service Headquarters.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(US models only)
With 3 ohm loads, both channels driven, from
800 Hz – 20,000 Hz; rated 30 watts per channel
minimum RMS power at stereo mode, with no
more than 0.7% total harmonic distortion from
250 milliwatts to rated output.
Speaker section
Speaker system:
2-way, Bass Reflex
Speaker unit:
Tweeter L/R: 66 mm (2 5/8 in),
cone type
Woofer: 200 mm (8 in), cone type
Inputs
AUDIO/PARTY CHAIN IN L/R (V21):
Voltage 2 V, impedance
47 kilohms
AUDIO/PARTY CHAIN IN (TV) L/R (V21D):
Voltage 2 V, impedance
47 kilohms
TV (ARC) (V21D):
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 (V21D):
Max. output level 1 Vp-p, unbalanced,
Sync. negative load impedance 75 ohms
HDMI OUT (TV) ARC (V21D):
Supported audio signal:
2-channel Linear PCM (up to 48 kHz),
Dolby Digital
9-890-697-02
2018H80-1
©
2018.08
MHC-V21/V21D
CD/DVD Section
HDMI section (V21D)
Connector:
Type A (19 pin)
Disc player section
System:
Compact disc and digital audio and
video system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6 μW
* This output is the value measure-
ment 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 (V21D):
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)
(V21)
87.5 MHz – 108.0 MHz (50 kHz step)
(V21D)
BLUETOOTH section
Communication system:
BLUETOOTH Standard version 4.2
Output:
BLUETOOTH Standard Power
Class 2
Maximum output power (V21D):
< 9.5 dBm
Maximum number of devices to be
registered:
8 devices
Sony Corporation
Published by Sony EMCS (Malaysia) PG Tec
Photo: MHC-V21D
Model Name Using Similar Mechanism
CD/DVD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
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)
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.
BLUETOOTH standard profiles indicate
2)
the purpose of BLUETOOTH communica-
tion between devices.
NFC section
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:
44.1/48 kHz (16 bit)
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
MHC-V21D
MHC-V71D
CDM90-DVBU204//M
CMS-S76RFS7G1 or CMS-S76RFS7GP
Supported video formats (V21D)
Xvid:
Video codec: Xvid video
Bit rate: 4.854 Mbps (MAX)
1)
Resolution/Frame rate:
720 × 480, 30 fps
720 × 576, 25 fps (except for Latin
American model)
Audio codec: MP3
MPEG4:
File format: MP4 File Format
2)
:
Video codec: MPEG4 Simple
Profi le (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
General
Power requirements:
US, CND models:
AC 120 V, 60 Hz
Except US, CND models:
AC 120 V – 240 V, 50/60 Hz
Power consumption:
70 W
Power consumption (at the Power Saving
mode) (V21D):
0.5 W (When "BT STBY" is set to
"OFF" and [CONTROL FOR
HDMI] is set to [OFF].)
2 W* (When "BT STBY" is set to
"ON" and [CONTROL FOR HDMI]
is set to [ON].)
Dimensions (W/H/D) (Approx.):
324 mm × 600 mm × 286 mm
(12 7/8 in × 23 3/4 in × 11 3/8 in)
Mass (Approx.):
8.4 kg (18 lb)
Operating temperature:
5 °C to 35 °C (41 °F to 95 °F)
– Continued on next page –
HOME AUDIO SYSTEM
MHC-V21
SYS SET

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Summary of Contents for Sony MHC-V21D

  • Page 1 Supported audio signal: < 9.5 dBm 2-channel Linear PCM (up to 48 kHz), Maximum number of devices to be HOME AUDIO SYSTEM Dolby Digital registered: 8 devices 9-890-697-02 Sony Corporation 2018H80-1 © 2018.08 Published by Sony EMCS (Malaysia) PG Tec SYS SET...
  • Page 2 3. Measuring the voltage drop across a resistor by means of a • “BRAVIA” is a trademark of Sony Corporation. VOM or battery-operated AC voltmeter. The “limit” indication • LDAC™ and LDAC logo are trademarks of Sony Corporation. is 0.75 V, so analog meters must have an accurate low-voltage ®...
  • Page 3: Table Of Contents

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 TABLE OF CONTENTS SERVICING NOTES ..........EXPLODED VIEWS 7-1. Side Panel Section ............46 DISASSEMBLY 7-2. Panel Loading Section ............ 47 7-3. MOTHERBOARD Board Section ........48 2-1. Disassembly Flow ............10 7-4. Chassis Section ............... 49 2-2.
  • Page 4: Servicing Notes

    The laser diode in the optical pick-up block may suff er electrostatic break-down because of the potential diff erence generated by the MODEL NO. / MODELO : MHC-V21D charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts.
  • Page 5 The following abbreviations for model destinations are used in this 5. “RESET” appears on the screen display panel. After that, service manual. “SONY” appears on the screen display panel. The system • Abbreviation automatically turn on and off once. Please be sure that the : Argentina model system stay at demo mode fi...
  • Page 6 If the When the MS-476 board is defective, exchange the entire issue persists, contact your LOADING COMPLETE ASSY (T). nearest Sony dealer. TEST DISCS Protect Type Description: Use following TEST DISC when this unit confi rms the operation...
  • Page 7 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 NOTE OF REPLACING THE IC2002 ON THE MOTH- ERBOARD BOARD AND THE COMPLETE MOTHER- BOARD BOARD When IC2002 on the MOTHERBOARD board and the complete MOTHERBOARD board are replaced, it is necessary to spread the compound between parts and heat sink. After that, execute “3. IC and MOTHERBOARD board after repair checking guide”...
  • Page 8 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF Note 1: After the side panel and top panel are removed, this work is done. Note 2: Please prepare the thin wire (clip etc. processed to the length of 8 cm or more). 1 Remove the side panel L, R, top panel section.
  • Page 9 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SERVICE POSITION stand top panel section MIC USB board CDM90-DVBU204//M PANEL board SMPS board SYS SET...
  • Page 10: Disassembly

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SECTION 2 DISASSEMBLY Note: Disassemble the unit in the order as shown below. 2-1. DISASSEMBLY FLOW 2-2. SIDE PANEL L, R (Page 11) 2-3. TOP PANEL SECTION (Page 12) 2-4. LOADING PANEL ASSY (Page 13) 2-5. CDM SECTION (Page 14) 2-6.
  • Page 11: Side Panel L, R

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 Note: Follow the disassembly procedure in the numerical order given. 2-2. SIDE PANEL L, R 5 panel, side L 2 two screws (+BVTP 3 4 claw 4 claw 1 three tapping screws 5 panel, side R 4 claw 2 two screws (+BVTP 3...
  • Page 12: Top Panel Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-3. TOP PANEL SECTION 6 Remove the wire 8 panel, top section from pin, lead. 1 two screws (+BVTP 3 PANEL board MIC USB pin, lead board 4 flexible flat cable (6 core) (CN105) filament tape clamp (N) 2 CN451 (5P) 5 flexible flat cable...
  • Page 13: Loading Panel Assy

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-4. LOADING PANEL ASSY 3 three claws 4 panel, loading assy hole – Left view – DVD mechanism deck Insert the clip etc. processed to the length of 8 cm or more in the hole on the side of the CDM and push. 2 Draw out the tray.
  • Page 14: Cdm Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-5. CDM SECTION 9 CDM section Note 1: When installing the back panel section, align two hooks and two holes. 6 two screws (+BVTP 3 – Front view – IR board hook CDM section hole 8 Remove the CDM section in the direction of the arrow.
  • Page 15: Cdm90-Dvbu204//M

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-6. CDM90-DVBU204//M 1 four screws (+BVTP 3 3 CDM90-DVBU204//M 4 bracket, CDM section 2 Draw three wires out of the hole in bracket,CDM section. SYS SET...
  • Page 16: Service, Optical Device (7G), Flexible Flat Cable

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-7. SERVICE, OPTICAL DEVICE (7G), FLEXIBLE FLAT CABLE 1 six claws 2 chuck holder assy (T) qg flexible flat cable (5P) qf filament tape qa insulator 7 four insulator screws qs service, optical device (7G) qa insulator qa insulator qj holder, FFC 6 belt...
  • Page 17: Back Panel

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-8. BACK PANEL 6 panel, back 2 one screw (+BVTP 3 (V21D) 1 two screws (+BVTP 3 5 one screw 3 one screw (+B 3 (+BVTP 3 4 one screw (+BVTP 3 SYS SET...
  • Page 18: Motherboard Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-9. MOTHERBOARD BOARD qa heatsink (AMP) (V21) 9 clamp, 8 one screw 8 one screw (+BVTP 3 (+BVTP 3 8 one screw (V21) (+BVTP 3 9 clamp, (N) 9 clamp, (N) 8 three screws (+BVTP 3 1 Remove the wires from clamp (N).
  • Page 19: Smps Board, Chassis Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-10. SMPS BOARD, CHASSIS SECTION 1 one screw 2 clamp (N) (+BVTP 3 1 five screws (+BVTP 3 clamp (N) 3 SMPS board 5 claw 4 four step screws SMPS board 6 chassis section 5 claw SYS SET...
  • Page 20: Front Panel Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-11. FRONT PANEL SECTION 1 one screw (4 x 13) (TR-184A) 4 All bosses are removed while moving jig in the direction of the arrow, and panel, front section is removed. 3 Insert the jig into a space and slowly remove the panel, front section.
  • Page 21: Loudspeaker (20Cm) (Woofer) (Sp3)

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 2-12. LOUDSPEAKER (20CM) (WOOFER) (SP3) Push the protrusion, and remove the terminal (narrow side) protrusion Push the protrusion, and remove the terminal (wide side) 1 four screws ((1) (4 20), +BV TAPPING) 2 Remove the loudspeaker (20CM) (SP3) in the direction of the arrow.
  • Page 22: Test Mode

    3. “COLD RST” appears on the screen display panel. After that, This is the display check mode. “SONY” appears on the screen display panel. The system Press [B] button repeatedly to toggle diff erent display mode as automatically turn on and off once. Please be sure that the below: system stay at demo mode fi...
  • Page 23: Electrical Check

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SECTION 4 ELECTRICAL CHECK Checking Location: TUNER SECTION 0 dB = 1 V FM AUTO STOP CHECK – MOTHERBOARD Board (Component Side) – signal generator – pin 1 (GND) pin 17 (RF) Procedure: 1. Turn the power on. 2.
  • Page 24: Troubleshooting

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SECTION 5 TROUBLESHOOTING SYS SET...
  • Page 25 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SYS SET...
  • Page 26 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SYS SET...
  • Page 27 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SYS SET...
  • Page 28 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SYS SET...
  • Page 29 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SYS SET...
  • Page 30 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 CL404 R3047 R097 R028 R094 C404 CL3008 CL402 C066 CL405 CL401 R091 CL403 Q459 R3048 R3045 JL405 R3042 IC401 C3018 R944 R3040 IC002 R939 C936 R3041 D900 R3044 L902 R947 R3014 R912 CL3002 C406 C932 C652 C726 C008 C405...
  • Page 31: Diagrams

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM - RS SERVO, USB, HDMI Section - V21D IC301 J601 (1/3) CVBS CN1000 V21D X301 IC1001 Q1000 ~ Q1002, Q1005 >001B Q402 MAIN SECTION ARC_SPDIF (Page 32) CN4100 Q401 HSD1- REC/PLAY HSD1+ USB HI-SIDE SWITCH...
  • Page 32: Block Diagram - Main Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-2. BLOCK DIAGRAM - MAIN Section - V21D AUDIO/PARTY CHAIN AUDIO/PARTY CHAIN IN (TV) IN (TV) AUDIO/PARTY CHAIN AUDIO/PARTY CHAIN J601 (2/3) V21D J601 (3/3) STEREO A/D BIAS MIC AMP CONVERTER DETECTOR IC4100 IC609 SIGNAL J602 (2/2) Q605, Q607 SELECTOR SCKI...
  • Page 33: Block Diagram - Amp Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-3. BLOCK DIAGRAM - AMP Section - STREAM PROCESSOR DIGITAL POWER AMP IC2001 IC2002 L2006 OUT_C 32 L-CH INPUT_D PWM_P_1 L2006 OUT_D_27 R-CH INPUT_C PWM_P_2 OUT_D_28 28 RESET VALID 37 >002B SCLK L2007 MAIN MCLK OUT_A_39 39 SECTION DIN0 SDIN4...
  • Page 34: Block Diagram - Panel, Power Supply Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-4. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section - FL_SOUT SPM-C-MON FL_CLK VACUUM FL_LATCH FLUORESCENT SW+12V PROTECTION CONTROL PCONT-DAMP DISPLAY Q576 POWER CONTROL VOLTAGE VOLTAGE REGULATOR ND4000 Q4003 DETECTOR IC009 IC007 PROTECTION CONTROL VIN1 POWER CONTROL Q575 M+5.2V Q4002...
  • Page 35: Block Diagram - Smps Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-5. BLOCK DIAGRAM - SMPS Section - CONVERTER POWER CONTROL TRANSFORMER IC6300 (MAIN) T6301 RECT +13.5V D6501 SWITCHING TH6300 RECT TRANSISTOR LATCH D6517 Q6301 OVERLOAD PROTECTION Q6304 SHUNT REGULATOR IC6500 ISOLATOR Vref PH6301 DETECT DETECT ISOLATOR SWITCH LATCH ON SWITCH...
  • Page 36 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 • Note for Printed Wiring Boards and Schematic Diagrams • Circuit Boards Location 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) •...
  • Page 37: Printed Wiring Board - Motherboard Board (Component Side)

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-6. PRINTED WIRING BOARD - MOTHERBOARD Board (Component Side) - • See page 36 for Circuit Boards Location. • : Uses unleaded solder. MOTHERBOARD BOARD J601 VIDEO OUT (COMPONENT SIDE) J602 AUDIO/PARTY CHAIN AUDIO/PARTY CHAIN AUDIO/PARTY CHAIN AUDIO/PARTY CHAIN IN (TV) V21D...
  • Page 38: Printed Wiring Board - Motherboard Board (Conductor Side)

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-7. PRINTED WIRING BOARD - MOTHERBOARD Board (Conductor Side) - • See page 36 for Circuit Boards Location. • : Uses unleaded solder. MOTHERBOARD BOARD (CONDUCTOR SIDE) ANTENNA V21D JL2029 CN900 JL110 JL111 C2151 JL102 JL620 JL631 JL905 JL900...
  • Page 39: Printed Wiring Board - Panel Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-8. PRINTED WIRING BOARD - PANEL Board - • See page 36 for Circuit Boards Location. • : Uses unleaded solder. PANEL BOARD ND4000 VACUUM FLUORESCENT DISPLAY CL4022 CL4024 R4030 C4010 CL4020 CL4025 CL4023 CL4021 C4014 CL4010 C4015 CL4011...
  • Page 40: Schematic Diagram - Panel Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-9. SCHEMATIC DIAGRAM - PANEL Board - PANEL BOARD ND4000 VACUUM FLUORESCENT DISPLAY CL4023 CL4024 CL4022 CL4021 CL4025 CL4020 CL4019 R4029 CL4018 R4030 C4021 R4028 C4022 2.2u 0.1u R4036 R4035 R4034 D4002 C4010 C4014 UDZVTE-172.0B 0.1u CL4012 C4017 C4015...
  • Page 41: Printed Wiring Board - Smps Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-10. PRINTED WIRING BOARD - SMPS Board - • See page 36 for Circuit Boards Location. • : Uses unleaded solder. SMPS BOARD MOTHERBOARD BOARD CN001 (Page 37) >002P FB6501 JL6512 JL6509 FB6502 JW6030 JR6005 NO6501 (CHASSIS) R6554 JL6507...
  • Page 42: Printed Wiring Board - Mic Usb Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-11. PRINTED WIRING BOARD - MIC USB Board - • See page 36 for Circuit Boards Location. • : Uses unleaded solder. MIC USB BOARD J4101 J4100 MIC2 GUITAR MIC1 REC/PLAY CN4100 CL4102 W4101 CL4128 C4103 CL4101 C4102 CL4103...
  • Page 43: Schematic Diagram - Mic Usb Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-12. SCHEMATIC DIAGRAM - MIC USB Board - MIC USB BOARD C4126 C4118 R4127 2.2u 100p 1.2k CL4119 R4121 C4121 C4117 180p C4132 CL4129 R4140 CL4123 CL4124 J4100 1.5k CL4131 MIC1 CL4118 R4112 C4134 R4139 CN4102 1500p R4106 CL4110...
  • Page 44: Printed Wiring Board - Ir Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-13. PRINTED WIRING BOARD - IR Board - 6-15. PRINTED WIRING BOARD - SPK LED Board - • • • See page 36 for Circuit Boards Location. : Uses unleaded solder. • See page 36 for Circuit Boards Location. : Uses unleaded solder.
  • Page 45: Printed Wiring Board - Nfc Board

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 6-17. PRINTED WIRING BOARD - NFC Board - • • See page 36 for Circuit Boards Location. : Uses unleaded solder. NFC BOARD (COMPONENT SIDE) MOTHERBOARD BOARD CN105 (Page 37) >006P C001 R002 R001 (11) 1-980-619- NFC BOARD (CONDUCTOR SIDE) (11)
  • Page 46: Exploded Views

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SECTION 7 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • Accessories are given in the last of this The components identifi ed by mark 9 con- they may have some diff erence from the parts list.
  • Page 47: Panel Loading Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-2. PANEL LOADING SECTION top panel section MOTHERBOARD board section Ref. No. Part No. Description Remark X-2595-943-2 PANEL, LOADING ASSY 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3 SYS SET...
  • Page 48: Motherboard Board Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-3. MOTHERBOARD BOARD SECTION CDM section (V21) (V21) chassis section #1 #2 (V21D) Note 1: When the MOTHERBOARD board is replaced, spread the compound referring to “NOTE OF REPLACING THE Note 2: When the complete MOTHERBOARD board is replaced, IC2002 ON THE MOTHERBOARD BOARD AND THE be sure to refer to “DESTINATION SETTING METHOD”...
  • Page 49: Chassis Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-4. CHASSIS SECTION speaker cabinet section front panel section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3 0 151 A-2203-526-A SMPS BOARD, COMPLETE not supplied 4-558-595-01 STEP SCREW M4 4-532-593-02 SCREW (4X13) (TR-184A)
  • Page 50: Front Panel Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-5. FRONT PANEL SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-2196-510-A IR BOARD, COMPLETE 1-859-268-11 LOUDSPEAKER (6.6CM) (Tweeter) (R-CH) A-2196-512-A SPK LED BOARD, COMPLETE 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3 4-532-205-31 ACOUSTIC TAPE 7-685-647-79...
  • Page 51: Speaker Cabinet Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-6. SPEAKER CABINET SECTION Ref. No. Part No. Description Remark 4-238-407-02 SCREW (1) (4X20), +BV TAPPING 4-734-032-01 FOOT, REAR 1-859-294-12 LOUDSPEAKER (20CM) (Woofer) not supplied SYS SET...
  • Page 52: Top Panel Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-7. TOP PANEL SECTION EN4000 ND4000 Note: If fl exible fl at 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.
  • Page 53: Cdm Section

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-8. CDM SECTION DVD mechanism section (CDM90-DVBU204//M) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-345-115-01 SCREW (S), FLOAT 4-533-382-01 INSULATOR 4-535-577-01 STEP SCREW M2.6 4-533-939-01 SPRING, INSULATOR (F) 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3 4-533-940-01 SPRING, INSULATOR (R) not supplied...
  • Page 54: Dvd Mechanism Section (Cdm90-Dvbu204//M)

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 7-9. DVD MECHANISM SECTION (CDM90-DVBU204//M) (including MS-476 board) MS-476 board (ns) Note: If fl exible fl at cable is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No. Description Remark Ref.
  • Page 55: Electrical Parts List

    2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 SECTION 8 MIC USB ELECTRICAL PARTS LIST MOTHERBOARD MS-476 Note: • Due to standardization, replacements in • CAPACITORS the parts list may be diff erent from the uF: μF The components identifi ed by mark 9 con- parts specifi...
  • Page 56 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 PANEL SMPS SPK LED Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-2196-509-A PANEL BOARD, COMPLETE TUNING ― .) S4004 1-762-875-21 SWITCH, TACTILE ( ********************** S4005 1-762-875-21 SWITCH, TACTILE ( TUNING + >) <...
  • Page 57 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 Ref. No. Part No. Description Remark ACCESSORIES ************ 1-493-294-11 REMOTE COMMANDER (RMT-AM330U) (including BATTERY LID) (V21) 1-493-448-11 REMOTE COMMANDER (RMT-AM420U) (including BATTERY LID) (V21D) 1-754-852-11 ANTENNA (FM) 0 1-785-504-21 ADAPTOR, CONVERSION (MY, E4, LA9) 0 1-849-799-51 POWER SUPPLY CORD SET (LA9) 0 1-849-801-51 POWER SUPPLY CORD SET (BR)
  • Page 58 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D Ver. 1.1 MEMO SYS SET...
  • Page 59 0 are critical for safety. Replace only with part number specifi ed. Australian Model Note: Les composants identifi és par une marque MHC-V21D sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifi é.
  • Page 60 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D 1-1. SCHEMATIC DIAGRAM - SMPS Board - SMPS BOARD CN6500 JL6513 JL6514 JL6515 C6527 JL6516 MOTHERBOARD 470p JL6517 BOARD V1_GND C6321 JL6518 V1_GND CN2007 0.001u JS6501 JL6536 JL6519 V1_GND JL6542 JL6520 D6517 V1_GND FCH10A20 R6535 R6547 2.7k ET6500 C6533 C6531 C6530...
  • Page 61 2018/08/28 21:56:45 (GMT+09:00) MHC-V21/V21D MEMO SYS SET...
  • Page 62 2018.05 2018.08 Addition of MHC-V21 model. Addition of Argentina and Malaysia models (MHC-V21D). Addition of Schematic Diagram for SMPS board (SUPPLEMENT-1). Change description of Q4000, Q4001 and Q4003 in PANEL board. Change description of Q4107, Q4108 and Q4109 in MIC USB board.

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