Sony MHC-V42D Service Manual

25
MHC-V42D
Does Optical pickup move to inner circumference?
(Visual check)
Yes
Yes
No
Checks JL355 for +3.3V and CL308 for +1.2V REG IC303. Does it output the power voltage of 3.3V and 1.2V?
Checks CN402 SL+/SL- signal.
Does it output the signal?
Does Spindle motor rotate?
(Visual check)
Yes
Does Optical pickup do focus search? (Visual check)
No
Checks IC303 circumference circuit for +1.2V. Checks IC009 (JL071) circumference circuit for +3.3V.
Yes
A
No
No
No
No
No
Checks circumference circuit for SL+/SL- of IC401. Checks circumference circuit of IC301 FMO Signal.
REMOVE TOP PANEL REMOVE SIDE PANEL TURN ON TRAY IN
The Sled motor has a problem. Replaces BU.
Checks CN402 SP+/SP- signal.
Does it output the signal?
The Spindle motor has a problem. Replaces BU.
Checks circumference circuit for SP+/SP of IC401. Checks circumference circuit of IC301 DMO Signal.
Checks CN302 FCS+/FCS- signal.
Does it output the signal?
The Optical pickup has a problem. Replaces BU.
Checks circumference circuit for FCS+/FCS- of IC401. Checks circumference circuit of IC301 FOO Signal.
Yes
Yes
Yes
Optical Block Diagnosis Flow (1/2)
SYSSET
2019/03/0500:47:46(GMT+09:00)

Sony MHC-V42D Specifications

General

Speaker type	-
Speaker placement	Floor
Built-in amplifier	Yes
Number of woofer drivers	1
Number of tweeter drivers	2
Type	Home audio mini system
Control type	Buttons, Rotary
Cassette deck	No
Product color	Black
Disc loading type	Tray
Number of optical discs	1 discs
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Quantity per pack	1 pc(s)
RMS rated power	- W
Woofer diameter	250 mm
Tweeter diameter	40 mm
Mid-range driver diameter	80 mm
Coloration	Monochromatic
Bluetooth profiles	A2DP, AVRCP, SPP
Illumination location	Front
Volume control	Digital
Power source	Battery
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

Weight and Dimensions

Depth	300 mm
Width	328 mm
Height	799 mm
Weight	12600 g