Read Sony HCD-GX355 / HCD-GX555 / HCD-RG270 / HCD-RG475 / HCD-RG575 / MHC-GX355 / MHC-GX555 / MHC-RG270 / MHC-RG475S / MHC-RG575S Service Manual online
© 2005.10
Published by Sony Engineering Corporation
deck and tuner section in MHC-GX355.
deck and tuner section in MHC-GX555.
deck and tuner section in MHC-RG270.
deck and tuner section in MHC-RG475S.
deck and tuner section in MHC-RG575S.
(HCD-GX555/GX355 USA model only)
DISTORTION:
120 – 10,000 Hz: rated 145 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
DISTORTION:
120 – 10,000 Hz: rated 150 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Continuous RMS power output (reference):
1 kHz, 10% THD)
Continuous RMS power output (reference):
80 Hz, 10% THD)
1 kHz, 10% THD)
DIN power output (rated): 110 + 110 watts (6 ohms at
1 kHz, 10% THD)
1 kHz, 10% THD)
DIN power output (rated): 130 watts (6 ohms at
80 Hz, 10% THD)
80 Hz, 10% THD)
E2 : 120V AC Area in E model
E51 : Chilean and Peruvian models
50/60 Hz
Front speaker
DIN power output (rated): 100 + 100 watts (6 ohms at
1 kHz, 10% THD)
DIN power output (rated): 120 watts (6 ohms at
80 Hz, 10% THD)
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 100 + 100 watts (6 ohms at
1 kHz, 10% THD)
DIN power output (rated): 120 watts (6 ohms at
80 Hz, 10% THD)
50/60 Hz
DIN power output (rated): 100 + 100 watts (6 ohms at
1 kHz, 10% THD)
AUDIO IN (stereo mini jack):
impedance 47 kilohms
impedance 10 kilohms
PHONES (stereo mini jack):
8 ohms or more
unbalanced, Sync
negative, load impedance
75 ohms
16 ohms
RG475 only):
16 ohms
audio system
continuous
Laser Output*:
Less than 44.6
Optical Pick-up Block with 7mm aperture.
cassettes
North American model:
(100 kHz step)
(50 kHz step)
Pan-American models:
(with the tuning interval
set at 10 kHz)
531 – 1,710 kHz
(with the tuning interval
set at 9 kHz)
tuning interval set at
9 kHz)
(with the tuning interval
set at 10 kHz)
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
North American model:
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
USA model:
HCD -GX555:
HCD -GX555:
HCD-RG475:
0.25 watts (at the Power
Saving Mode)
0.25 watts (at the Power
Saving Mode)
HCD-RG575:
North American models:
HCD-GX555:
HCD-GX555:
HCD-RG475:
HCD-RG575:
without notice.
1 kHz, 10% THD)
1 kHz, 10% THD)
other than those specified herein may result in hazardous radiation
exposure.
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
Caution: The printed pattern (copper foil) may peel away if
occur such as on IC pins, etc.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS
QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT
DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
instruments.
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable. (See
Fig. A)
voltmeter
(0.75 V)
Parts on Set
a CLASS 1 LASER product.
This marking is located on the
rear exterior.
MX model)/CDM74KFS-F1BD84 (MX model)) ........... 11
3-11. Optical Pick-up Block (KSM-215DCP) .......................... 13
3-12. SENSOR Board ............................................................... 14
3-13. MOTOR (TB) Board ....................................................... 14
3-14. MOTOR (LD) Board ....................................................... 15
– PANEL, POWER SUPPLY Section – .......................... 24
– CD Board – (Except MX model) ................................. 26
– CD Board – (Except MX model) ................................. 27
6-11. Printed Wiring Board – MAIN Board – ......................... 32
6-12. Schematic Diagram – MAIN Board (1/3) – ................... 33
6-13. Schematic Diagram – MAIN Board (2/3) – ................... 34
6-14. Schematic Diagram – MAIN Board (3/3) – ................... 35
6-15. Printed Wiring Board – POWER Board – ...................... 36
6-16. Schematic Diagram –POWER Board – .......................... 37
6-17. Printed Wiring Board – SUB WOOFER Board –
6-24. Printed Wiring Board – PANEL Section (2/2) ............... 45
6-25. Schematic Diagram – PANEL Section (1/2) .................. 46
6-26. Schematic Diagram – PANEL Section (2/2) .................. 47
6-27. Printed Wiring Boards – TRANS Section – ................... 48
6-28. Schematic Diagram – TRANS Section – ....................... 49
(CDM74KFS-F1BD81C) (Except MX model)/
(CDM74KFS-F1BD84) (MX model) .............................. 72
(CDM74KFS-F1BD81C) (Except MX model)/
(CDM74KFS-F1BD84) (MX model) .............................. 73
MX: Mexican model