M
Michael NguyenJul 29, 2025
What to do if the main fuse F9 is open or broken on my Sony MHC-V50?
- EEmily SotoJul 29, 2025
If the main fuse F9 is open or broken, inspect it and replace it as necessary.
To Next PageTo Next PageWhat to do if the main fuse F9 is open or broken on my Sony MHC-V50?
If the main fuse F9 is open or broken, inspect it and replace it as necessary.
What to do if R914 is open or short in my Sony MHC-V50 Stereo System?
If R914 is open or short, replace F901, D902, R965, and IC965 with new components.
How to check the bridge diode in my Sony MHC-V50 Stereo System?
To check the bridge diode, ensure that live and (-) are open, Neutral and + (-) are O, and (+) and (-) are open.
What to do if No 01 is OPEN on my Sony MHC-V50?
If No 01 is OPEN, replace the SMPS board if it is not up to standard (No an 1ohm).
General| Type | Home audio tower system |
|---|---|
| Cassette deck | No |
| Product color | Black |
| Disc loading type | Tray |
| Optical disc player | Yes |
| Number of optical discs | 1 discs |
| Coloration | Monochromatic |
| Bluetooth profiles | A2DP, AVRCP, SPP |
| Illumination location | Front |
| Analog signal format system | NTSC, PAL |
| Speaker type | 3-way |
| RMS rated power | 660 W |
| Woofer diameter | 200 mm |
| Tweeter diameter | 40 mm |
| Number of speakers | 1 |
| Mid-range driver diameter | 80 mm |
| FM band range | 87.5 - 108 MHz |
| Supported radio bands | FM |
| Preset stations quantity | 20 |
| Recording on | USB |
| Playback modes | Normal, Repeat, Shuffle |
| Playback disc formats | CD audio, DVD-Audio, VCD |
| Audio formats supported | AAC, MP3, WAV, WMA |
| Video formats supported | MPEG1, MPEG4, XVID |
| Volume control | Digital |
| Power source | AC |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 120 W |
Weight and Dimensions| Depth | 300 mm |
|---|---|
| Width | 293 mm |
| Height | 798 mm |
| Weight | 14000 g |
Guidelines for handling unleaded solder, lead-free marks, and general cautions.
Step-by-step guide for pairing the system with Bluetooth devices and NFC connection.
Instructions for safely discharging capacitors on SMPS and DAMP boards.
A flowchart outlining the sequence of disassembly steps.
Diagnostic flowchart for the SMPS board, covering power control and output checks.
Continues SMPS board troubleshooting, checking fuses, diodes, resistors, and MOSFETs.
Diagnoses optical pickup movement, spindle motor, and focus search issues.
Continues optical block diagnostics for laser luminosity, RF signal, and aging tests.
Diagnoses DAMP board issues when 'PROTECT3' is displayed, checking shorts and components.
Continues DAMP board diagnostics for sound output problems, checking signals.
Signal flow for CD, USB, and HDMI input sections.
Central processing and signal routing for audio, tuner, and Bluetooth.
Signal path and components for the Digital Amplifier (DAMP) section.
Block diagram for touch panel control and LED driver circuits.
Power supply unit, voltage regulators, and panel interface connections.
Electrical schematic for the first half of the Volume board.
Electrical schematic for the second half of the Volume board.
Electrical schematic diagram for the Party Light Driver board.
Electrical schematic diagram for the SPK RGB L board.
Electrical schematic diagram for the SPK RGB R board.
Exploded view of the side panel assembly, showing parts and references.
Exploded view of the loading panel assembly, detailing parts and their references.
List of components for Back Party Light, DAMP, IR, and LCD boards, including part numbers.
List of components for MIC and Motherboard boards, including connectors and ICs.
List of components for MS-476, Party Light Driver, Sensor, and SMPS boards.
List of components for Top Party Light, USB, and Volume boards.
