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PDF HCD-GX255 Data sheet ( Hoja de datos )
| Número de pieza | HCD-GX255 | |
| Descripción | COMPACT DISC DECK RECEIVER SERVICE MANUAL | |
| Fabricantes | Sony | |
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HCD-GX255/RG170/RG470
SERVICE MANUAL
Ver. 1.3 2005.10
Canadian Model
HCD-GX255
AEP Model
E Model
HCD-RG170/RG470
Australian Model
HCD-RG170
• HCD-GX255 is the amplifier, CD player, tape
deck and tuner section in MHC-GX255.
• HCD-RG170 is the amplifier, CD player, tape
deck and tuner section in MHC-RG170.
• HCD-RG470 is the amplifier, CD player, tape
deck and tuner section in MHC-RG470.
Photo: HCD-GX255
CD
Section
TAPE
Section
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Optical Pick-up Block Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
NEW
CDM74KFS-F1BD81C (Except Mexican model) or
CDM74KFS-K6BD83S (Canadian, AEP, East European, Russian, E2, E51 models)/
CDM74KFS-F1BD84 (Mexican model)
BU-F1BD81C (Except Mexican model) or
BU-K6BD83S-WOD (Canadian, AEP, East European, Russian, E2, E51 models)/
BU-F1BD84 (Mexican model)
KSM-215DCP or KSM-213DCP
HCD-GX355/RG270
CWM43FF13
• Abbreviation
E2 : 120V AC area in E model
E51 : Chilean and Peruvian models
Amplifier section
Canadian model:
HCD-GX255
Continuous RMS power output (reference):
65 + 65 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 40 W)
European and Russian models:
HCD-RG470
DIN power output (rated): 110 + 110 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
140 + 140 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
280 + 280 watts (6 ohms at
1 kHz, 10% THD)
HCD-RG170
DIN power output (rated): 20 + 20 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
25 + 25 watts (6 ohms at
1 kHz, 10% THD)
SPECIFICATIONS
Music power output (reference):
50 + 50 watts (6 ohms at
1 kHz, 10% THD)
Other models:
HCD-RG470
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 130 + 130 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
160 + 160 watts (6 ohms at
1 kHz, 10% THD)
HCD-RG170
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 50 + 50 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
65 + 65 watts (6 ohms at
1 kHz, 10% THD)
Inputs
AUDIO IN (stereo mini jack):
voltage 250 mV,
impedance 47 kilohms
MIC (phone jack) (Latin American model only):
sensitivity 1 mV,
Outputs
impedance 10 kilohms
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
VIDEO OUT (phono jack) (Mexican model only):
max. output level 1Vp-p,
unbalanced, Sync
negative, load impedance
75 ohms
SPEAKER:
accepts impedance of 6 to
16 ohms
– Continued on next page –
COMPACT DISC DECK RECEIVER
9-879-612-04
2005J05-1
© 2005.10
Sony Corporation
Personal Audio Group
Published by Sony Engineering Corporation
1 page  
SECTION 1
SERVICING NOTES
HCD-GX255/RG170/RG470
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
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.
The flexible board is easily damaged and should be handled with
care.
• MODEL IDENTIFICATION
– Back Panel –
Model number label
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
Carry out the “S curve check” in “CD section adjustment” and check
that the S curve waveforms is output three times.
DISCRIMINATION OF THE MAIN BOARD
There are two types of suffix-11 and suffix-12 of the MAIN boards
used in set as follows.
– MAIN BOARD (Component Side) –
Label indication
2-560-990-01
2-560-991-01
2-560-993-01
2-560-994-01
2-560-996-01
2-560-997-01
2-560-998-01
2-580-000-01
2-580-001-01
2-580-002-01
2-580-003-01
2-580-004-01
Model
GX255
RG170: AEP, EE, RU
RG470: E2, E3
RG170: EA
RG170: AUS
RG170: E51
RG170: AR
RG470: AEP, EE, RU
RG470: E2
RG470: E51
RG470: MX
RG470: AR
• Abbreviation
AR : Argentina model
AUS : Australian model
CND : Canadian model
E2 : 120V AC Area in E model
E3 : 240V AC Area in E model
E51 : Chilean and Peruvian models
EA : Saudi Arabia model
EE : East European model
MX : Mexican model
RU : Russian model
Part Number
AEP, EE, RU models : 1-865-919-12 only
Other models
: 1-865-919-11 or 1-865-919-12
5
5 Page 
HCD-GX255/RG170/RG470
3-6. CD MECHANISM DECK
(CDM74KFS-F1BD81C (EXCEPT MX MODEL)/CDM74KFS-F1BD84 (MX MODEL))
(MX)
6 connector
(CN1004)
7 CD mechanism deck
(CDM74KFS-F1BD81C (except MX)/CDM74KFS-F1BD84 (MX))
1 three screws (B3)
(MX)
5 wire (flat type)
(13 core) (CN331)
2
3 wire (flat type) (13 core) (CN701)
• Abbreviation
MX : Mexican model
4 wire (flat type) (27 core) (CN201) (Except MX)
wire (flat type) (31 core) (CN201) (MX)
3-7. BACK PANEL SECTION
3 connector
(CN901)
2 connector
(CN903)
1 connector
(CN906)
8 back panel section
4 wire (flat type) (15 core)
(CN381)
5 connector
(CN041)
6 two screws (B3)
7 two screws (B3)
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HCD-GX255.PDF ] | |
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