Read Sony HCD-GX255 / HCD-RG170 / HCD-RG470 / MHC-GX255 / MHC-RG170 / MHC-RG470 Service Manual online
SERVICE MANUAL
COMPACT DISC DECK RECEIVER
HCD-GX255/RG170/RG470
Ver. 1.3 2005.10
9-879-612-04
2005J05-1
© 2005.10
© 2005.10
Sony Corporation
Personal Audio Group
Published by Sony Engineering Corporation
Published by Sony Engineering Corporation
– Continued on next page –
Canadian Model
HCD-GX255
AEP Model
E Model
HCD-RG170/RG470
Australian Model
HCD-RG170
Photo: HCD-GX255
•
HCD-GX255 is the amplifier, CD player, tape
deck and tuner section in MHC-GX255.
deck and tuner section in MHC-GX255.
•
HCD-RG170 is the amplifier, CD player, tape
deck and tuner section in MHC-RG170.
deck and tuner section in MHC-RG170.
•
HCD-RG470 is the amplifier, CD player, tape
deck and tuner section in MHC-RG470.
deck and tuner section in MHC-RG470.
SPECIFICATIONS
Model Name Using Similar Mechanism
NEW
CDM74KFS-F1BD81C (Except Mexican model) or
CD Mechanism Type
CDM74KFS-K6BD83S (Canadian, AEP, East European, Russian, E2, E51 models)/
CD
CDM74KFS-F1BD84 (Mexican model)
Section
BU-F1BD81C (Except Mexican model) or
Base Unit Name
BU-K6BD83S-WOD (Canadian, AEP, East European, Russian, E2, E51 models)/
BU-F1BD84 (Mexican model)
Optical Pick-up Block Name
KSM-215DCP or KSM-213DCP
TAPE
Model Name Using Similar Mechanism
HCD-GX355/RG270
Section
Tape Transport Mechanism Type
CWM43FF13
Amplifier section
Canadian model:
HCD-GX255
HCD-GX255
Continuous RMS power output (reference):
65 + 65 watts (6 ohms at
1 kHz, 10% THD)
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 40 W)
European and Russian models:
HCD-RG470
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)
1 kHz, 10% THD)
Music power output (reference):
280 + 280 watts (6 ohms at
1 kHz, 10% THD)
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)
1 kHz, 10% THD)
Music power output (reference):
50 + 50 watts (6 ohms at
1 kHz, 10% THD)
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
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)
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
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)
1 kHz, 10% THD)
Inputs
AUDIO IN (stereo mini jack):
AUDIO IN (stereo mini jack):
voltage 250 mV,
impedance 47 kilohms
impedance 47 kilohms
MIC (phone jack) (Latin American model only):
sensitivity 1 mV,
impedance 10 kilohms
impedance 10 kilohms
Outputs
PHONES (stereo mini jack):
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
8 ohms or more
VIDEO OUT (phono jack) (Mexican model only):
max. output level 1Vp-p,
unbalanced, Sync
negative, load impedance
75 ohms
unbalanced, Sync
negative, load impedance
75 ohms
SPEAKER:
accepts impedance of 6 to
16 ohms
16 ohms
•
Abbreviation
E2
E2
: 120V AC area in E model
E51
: Chilean and Peruvian models
2
HCD-GX255/RG170/RG470
Tape deck section
Recording system
4-track 2-channel, stereo
Frequency response
50
−
13,000 Hz (
±
3 dB),
using Sony TYPE I
cassettes
cassettes
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
North American model:
North American model:
87.5
−
108.0 MHz
(100 kHz step)
Other models:
87.5
−
108.0 MHz
(50 kHz step)
Antenna
FM lead antenna
Antenna terminals
75 ohms unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Pan-American models:
Pan-American models:
530
−
1,710 kHz
(with the tuning interval
set at 10 kHz)
531
set at 10 kHz)
531
−
1,710 kHz
(with the tuning interval
set at 9 kHz)
set at 9 kHz)
European, Russian and Saudi Arabian models:
531
−
1,602 kHz (with the
tuning interval set at
9 kHz)
9 kHz)
Other models:
530
−
1,710 kHz
(with the tuning interval
set at 10 kHz)
531
set at 10 kHz)
531
−
1,602 kHz
(with the tuning interval
set at 9 kHz)
set at 9 kHz)
Antenna
AM loop antenna
Intermediate frequency
450 kHz
General
Power requirements
North American model:
North American model:
120 V AC, 60 Hz
European and Russian models:
230 V AC, 50/60 Hz
Australian model:
230
−
240V AC, 50/60 Hz
Argentine model:
220 V AC, 50/60 Hz
Mexican model:
127 V AC, 60 Hz
Saudi Arabian model:
120
−
127, 220 or
230
−
240V AC, 50/60 Hz
Adjustable with voltage
selector
selector
Other models:
120 V, 220 V or
230
230
−
240V AC, 50/60 Hz
Adjustable with voltage
selector
selector
Power consumption
Canadian model:
HCD-GX255:
Canadian model:
HCD-GX255:
110 watts
European and Russian models:
HCD-RG470:
HCD-RG470:
240 watts
0.25 watts (at the Power
Saving Mode)
0.25 watts (at the Power
Saving Mode)
HCD-RG170:
70 watts
0.25 watts (at the Power
Saving Mode)
0.25 watts (at the Power
Saving Mode)
Other models:
HCD-RG470:
HCD-RG470:
170 watts
HCD-RG170:
125 watts
Dimensions (w/h/d) (excl. speakers)
Approx. 280
×
325
×
430 mm
Mass (excl. speakers)
Canadian model:
HCD-GX255:
Canadian model:
HCD-GX255:
Approx. 8.5 kg
European and Russian models:
HCD-RG470:
HCD-RG470:
Approx. 10.0 kg
HCD-RG170:
Approx. 7.2 kg
Other models:
HCD-RG470:
HCD-RG470:
Approx. 10.4 kg
HCD-RG170:
Approx. 8.5 kg
Design and specifications are subject to change
without notice.
without notice.
CD player section
System
Compact disc and digital
audio system
audio system
Laser Diode Properties
Emission duration:
continuous
Laser Output*:
Less than 44.6
continuous
Laser Output*:
Less than 44.6
µ
W
* This output is the value measurement at a distance of
200mm from the objective lens surface on the
Optical Pick-up Block with 7mm aperture.
Optical Pick-up Block with 7mm aperture.
Frequency response
2 Hz
−
20 kHz (
±
0.5 dB)
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
3
HCD-GX255/RG170/RG470
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
This appliance is classified as
a CLASS 1 LASER product.
This marking is located on the
rear exterior.
a CLASS 1 LASER product.
This marking is located on the
rear exterior.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
other than those specified herein may result in hazardous radiation
exposure.
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 ˚C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 ˚C.
Caution: The printed pattern (copper foil) may peel away if
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
occur such as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE
WITH MARK
0
ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE
0
SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
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.
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.
4
HCD-GX255/RG170/RG470
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
5
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
8
3-2.
Case (Top) .......................................................................
9
3-3.
Door (CD) ........................................................................
9
3-4.
Front Panel Section ......................................................... 10
3-5
Mechanical Deck (CWM43FF13) ................................... 10
3-6.
CD Mechanism Deck (CDM74KFS-F1BD81C
(Except MX model)/CDM74KFS-F1BD84
(MX model)) .................................................................... 11
(Except MX model)/CDM74KFS-F1BD84
(MX model)) .................................................................... 11
3-7.
Back Panel Section .......................................................... 11
3-8.
MAIN Board .................................................................... 12
3-9.
BD Board/CD Board ....................................................... 12
3-10. DRIVER Board, SW Board ............................................. 13
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
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
4.
TEST MODE
.............................................................. 16
5.
ELECTRICAL ADJUSTMENT
............................ 20
6.
DIAGRAMS
6-1.
Block Diagram – CD SERVO Section – ........................ 21
6-2.
Block Diagram – AUDIO/VIDEO Section – ................. 22
6-3.
Block Diagram – AMP Section – ................................... 23
6-4.
Block Diagram
– PANEL, POWER SUPPLY Section – .......................... 24
– PANEL, POWER SUPPLY Section – .......................... 24
6-5.
Printed Wiring Board
– CD Board – (Except MX model) ................................. 26
– CD Board – (Except MX model) ................................. 26
6-6.
Schematic Diagram
– CD Board – (Except MX model) ................................. 27
– CD Board – (Except MX model) ................................. 27
6-7.
Printed Wiring Board – BD Board – (MX model) ......... 28
6-8.
Schematic Diagram – BD Board – (MX model) ............ 29
6-9.
Printed Wiring Boards – CHANGER Section – ............. 30
6-10. Schemtic Diagram – CHANGER Setion – ..................... 31
6-11. Printed Wiring Board – MAIN Board – (Suffix-11) ...... 32
6-12. Schematic Diagram – MAIN Board (1/3) –
6-11. Printed Wiring Board – MAIN Board – (Suffix-11) ...... 32
6-12. Schematic Diagram – MAIN Board (1/3) –
(Suffix-11) ....................................................................... 33
6-13. Schematic Diagram – MAIN Board (2/3) –
(Suffix-11) ....................................................................... 34
6-14. Schematic Diagram – MAIN Board (3/3) –
(Suffix-11) ....................................................................... 35
6-15. Printed Wiring Board – MAIN Board – (Suffix-12) ...... 36
6-16. Schematic Diagram – MAIN Board (1/3) –
6-16. Schematic Diagram – MAIN Board (1/3) –
(Suffix-12) ....................................................................... 37
6-17. Schematic Diagram – MAIN Board (2/3) –
(Suffix-12) ....................................................................... 38
6-18. Schematic Diagram – MAIN Board (3/3) –
(Suffix-12) ....................................................................... 39
6-19. Printed Wiring Board – POWER Board –
(GX255/RG170) .............................................................. 40
6-20. Schematic Diagram –POWER Board –
(GX255/RG170) .............................................................. 41
6-21. Printed Wiring Board – POWER Board –
(RG470: AEP, EE, RU) ................................................... 42
6-22. Schematic Diagram – POWER Board –
(RG470: AEP, EE, RU) ................................................... 43
6-23. Printed Wiring Board – POWER Board –
(RG470: E2, E51, AR, MX) ............................................ 44
6-24. Schematic Diagram – POWER Board –
(RG470: E2, E51, AR, MX) ............................................ 45
6-25. Printed Wiring Boards
– AUDIO, MIC, HEADPHONE Boards – ...................... 46
6-26. Schematic Diagram
– AUDIO, MIC, HEADPHONE Boards – ...................... 47
6-27. Printed Wiring Boards – CD-G Section –
(MX model only) ............................................................. 48
6-28. Schematic Diagram – CD-G Section –
(MX model only) ............................................................. 49
6-29. Printed Wiring Board – PANEL Section (1/2) ............... 50
6-30. Printed Wiring Board – PANEL Section (2/2) ............... 51
6-31. Schematic Diagram – PANEL Section (1/2) .................. 52
6-32. Schematic Diagram – PANEL Section (2/2) .................. 53
6-33. Printed Wiring Boards – TRANS Section –
6-30. Printed Wiring Board – PANEL Section (2/2) ............... 51
6-31. Schematic Diagram – PANEL Section (1/2) .................. 52
6-32. Schematic Diagram – PANEL Section (2/2) .................. 53
6-33. Printed Wiring Boards – TRANS Section –
(GX255/RG170) .............................................................. 54
6-34. Schematic Diagram – TRANS Section –
(GX255/RG170) .............................................................. 55
6-35. Printed Wiring Boards – TRANS Section –
(RG470: AEP, EE, RU) ................................................... 56
6-36. Schematic Diagram – TRANS Section –
(RG470: AEP, EE, RU) ................................................... 57
6-37. Printed Wiring Boards – TRANS Section –
(RG470: E2, E51, AR, MX) ............................................ 58
6-38. Schematic Diagram – TRANS Section –
(RG470: E2, E51, AR, MX) ............................................ 59
7.
EXPLODED VIEWS
7-1.
Overall Section ................................................................ 77
7-2.
Back Panel Section .......................................................... 78
7-3.
Front Panel Section ......................................................... 79
7-4.
Key Section ..................................................................... 80
7-5.
Chassis Section ................................................................ 81
7-6.
Transformer Section ........................................................ 82
7-7.
CD Mechanism Deck Section-1
(CDM74KFS-F1BD81C (Except MX model)/
CDM74KFS-F1BD84 (MX model)) ............................... 83
(CDM74KFS-F1BD81C (Except MX model)/
CDM74KFS-F1BD84 (MX model)) ............................... 83
7-8.
CD Mechanism Deck Section-2
(CDM74KFS-F1BD81C (Except MX model)/
CDM74KFS-F1BD84 (MX model)) ............................... 84
(CDM74KFS-F1BD81C (Except MX model)/
CDM74KFS-F1BD84 (MX model)) ............................... 84
8.
ELECTRICAL PARTS LIST
................................ 85
•
Abbreviation
AR : Argentina model
E2 : 120V AC Area in E model
E51 : Chilean and Peruvian model
EE : East European model
MX : Mexican model
RU : Russian model
AR : Argentina model
E2 : 120V AC Area in E model
E51 : Chilean and Peruvian model
EE : East European model
MX : Mexican model
RU : Russian model
