Trudno Ci coś poradzić , gdyż nie napisałeś w czym masz problem . "CD-ek nie działa" to stanowczo za mało - trzeba sprawdzić zasilanie , przemierzyć taśmę połączeniową , zobaczyć czy laser ogniskuje , startuje napęd dysku , uruchomić tryb serwisowy . Do tego nie potrzeba żadnego specjalistycznego sprzętu , wystarczy miernik i umiejetność czytania schematu ( sm jest dostępny w schematach audio) . W większości przypadków winę ponosi jednak laser , gdyż z racji kiepskiej jakości jest elementem najbardziej awaryjnym . Odpowiadając na pytanie : czy MHC to HCD - zobacz załącznik .
HCD-DX30/RG40
SERVICE MANUAL
US Model
Canadian Model
AEP Model
Ver 1.2 2003. 11
HCD-RG40
E Model
Australian Model
HCD-DX30
• HCD-DX30/RG40 are the tuner,
deck, CD and amplifier section in
MHC-DX30/RG40.
Photo : HCD-DX30
Model Name Using Similar Mechanism
NEW
CD
CD Mechanism Type
CDM58B-K6BD38
Section
Base Unit Name
BU-K2BD38
Optical Pick-up Name
KSM-213D
Model Name Using Similar Mechanism
NEW
Tape deck
Section
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS:
(HCD-RG40 USA models only)
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
with 6 ohm loads both channels driven, from
120 – 10,000 Hz; rates 100 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Total harmonic distortion less than 0.07%
(6 ohms at 1 kHz, 50 W)
Amplifier section
US, Canadian models:
HCD-RG40
Continuous RMS power output (reference)
100 + 100 watts (6 ohms
at 1 kHz, 10% THD)
Total harmonic distortion less than 0.07%
(6 ohms at 1 kHz, 50 W)
AEP models:
HCD-RG40
DIN power output (rated) 65 + 65 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
80 + 80 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference)
160 + 160 watts (6 ohms
at 1 kHz, 10% THD)
CD player section
Other models:
HCD-DX30
The following measured at AC 120, 220, 240 V
50/60 Hz
DIN power output (rated) 100 + 100 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
120 + 120 watts (6 ohms
at 1 kHz, 10% THD)
Inputs
MD/VIDEO (AUDIO) IN (phono jacks):
voltage 450/250 mV,
impedance 47 kilohms
GAME (AUDIO) IN (phono jack):
voltage 450 mV,
impedance 47 kilohms
MIC (mini jack):
sensitivity 1 mV,
impedance 10 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
FRONT SPEAKER: accepts impedance of 6 to
16 ohms
SURROUND SPEAKER (MHC-RG60 only):
accepts impedance of 6 to
16 ohms
9-873-149-03
Sony Corporation
2003K16-1
© 2003.11
Home Audio Company
Published by Sony Engineering Corporation
System
Compact disc and digital
audio system
Laser
Semiconductor laser
(λ=780 nm)
Emission duration:
continuous
Laser output
Max. 44.6 µW*
*This output is the value
measured at a distance of
200 mm from the
objective lens surface on
the Optical Pick-up Block
with 7 mm aperture.
Frequency response
2 Hz – 20 kHz (±0.5 dB)
Wavelength
780 – 790 nm
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength
660 nm
Output Level
–18 dBm
— Continued on next page —
COMPACT DISC DECK RECEIVER