Read Sony HCD-GRX20 / HCD-RXD3 / MHC-GRX20 / MHC-RXD3 (serv.man2) Service Manual online
HCD-GRX20/RXD3
AEP Model
UK Model
HCD-RXD3
E Model
Australian Model
HCD-GRX20
SERVICE MANUAL
MINI Hi-Fi COMPONENT SYSTEM
— Continued on next page —
SPECIFICATIONS
Model Name Using Similar Mechanism
NEW
CD Mechanism Type
CX3
Base Unit Type
KSM-213ECM
Optical Pick-up Type
KSS-213ECM/C2NP
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
CWL-44-FR
CD
SECTION
TAPE
DECK
SECTION
HCD-GRX20/RXD3 are the tuner, deck, CD
and amplifier section in MHC-GRX20/RXD3.
and amplifier section in MHC-GRX20/RXD3.
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-928-949-13
2003E16-1
© 2003.05
PHOTO : HCD-RXD3
Amplifier section
European model
European model
DIN power output (Rated)
40 W + 40 W
(6
(6
Ω at 1 kHz, DIN)
Continuous RMS power output (Reference)
50 W + 50 W
(6
(6
Ω at 1 kHz, 10%
THD)
Music power output (Reference)
100 W + 100 W
(6
(6
Ω at 1 kHz, 10%
THD)
Other models
The following measured at AC 110, 220 V 60 Hz;
DIN power output (Rated)
DIN power output (Rated)
45 W + 45 W
(6
(6
Ω at 1 kHz, DIN)
Continuous RMS power output (Reference)
50 W + 50 W
(6
(6
Ω at 1 kHz, 10%
THD)
The following measured at AC 120, 240 V 60 Hz;
DIN power output (Rated)
DIN power output (Rated)
50 W + 50 W
(6
(6
Ω at 1 kHz, DIN)
Continuous RMS power output (Reference)
60 W + 60 W
(6
(6
Ω at 1 kHz, 10%
THD)
Inputs
MD IN (phono jack):
voltage 450 mV,
impedance 47 k
impedance 47 k
Ω
Outputs
MD OUT (phono jacks):
voltage 250 mV
impedance 1 k
impedance 1 k
Ω
PHONES (stereo phone jack):
accepts headphones of 8
Ω or more.
Ω or more.
SPEAKER:
accepts impedance of 6
to 16
to 16
Ω
CD player section
System
Compact disc and digital
audio system
audio system
Laser
Semiconductor laser
(
(
λ = 780 nm)
Emission duration:
continuous
continuous
Laser output
Max. 44.6µW*
*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.
*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
20Hz – 20kHz (±0.5 dB)
Wavelength
780 – 790 nm
DIGITAL OUT (OPTICAL)
(Square optical connector jack, rear panel)
Wavelength
(Square optical connector jack, rear panel)
Wavelength
600 nm
Output Level
–18 dBm
Tape deck section
Recording system
4-track 2-channel stereo
Frequency response
40 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassette
using Sony TYPE I
cassette
Wow and flutter
±0.15% W. Peak(IEC)
0.1% W. RMS(NAB)
±0.2% W. Peak(DIN)
0.1% W. RMS(NAB)
±0.2% W. Peak(DIN)
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tunr section
Tuning range
87.5 – 108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75
Ω unbalanced
Intermediate frequency
10.7 MHz
Ver 1.2 2003. 05
2
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE WITH
MARK
!
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.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
of emitting radiation exceeding the limit for
Class 1.
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.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of 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.
MODEL IDENTIFICATION
— CABINET, REAR —
— CABINET, REAR —
• Abbreviation
AUS : Australian model
SP
SP
: Singapore model
MX
: Mexican model
AR
: Argentina model
TW
: Taiwan model
PART NO.
RXD3 model
4-221-603-0
π
GRX20 : AUS model
4-221-604-0
π
GRX20 : AR, E, SP, TW models
4-221-605-0
π
GRX20 : MX model
4-221-606-0
π
PARTS No.
MODEL
AM tuner section
Tuning renge
531 – 1,602 kHz
(with AM tuning interval set at 9 kHz)
530 – 1,710 kHz
(with AM tuning interval set at 10 kHz)
(with AM tuning interval set at 9 kHz)
530 – 1,710 kHz
(with AM tuning interval set at 10 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
European model
230 V AC, 50/60 Hz
Mexican model
120 V AC, 50/60 Hz
Australian model
240 V AC, 50/60 Hz
Other models
110 – 120 V or 220 – 240 V AC, 50/60 Hz
(adjustable with voltage selector)
(adjustable with voltage selector)
Power consumption
European model
105 W
Other models
115 W
Dimensions (w/h/d) incl. projecting parts and controls
Approx. 280
×
320
×
400 mm
(11
1
/
8
×
12
5
/
8
×
15
3
/
4
in)
Mass
Approx. 9.2kg (20 lb 5 oz.)
Supplied accessories:
AM loop antenna (1)
FM lead antenna (1)
Remote (1)
Plug adaptor (for Asian model) (1)
FM lead antenna (1)
Remote (1)
Plug adaptor (for Asian model) (1)
Design and specifications are subject to change without notice.
3
TABLE OF CONTENTS
1. GENERAL
·········································································· 4
2. DISASSEMBLY
2-1.
CD Door ············································································· 5
2-2.
Front Panel ········································································· 6
2-3.
Main Board ········································································· 6
2-4.
Amplifier Board ································································· 7
2-5.
CD Tray ·············································································· 7
2-6.
Decord Board ····································································· 8
2-7.
Base Unit ············································································ 9
2-8.
Cassette Lid ········································································ 9
3. TEST MODE
···································································· 10
4. MECHANICAL ADJUSTMENTS
····························· 11
5. ELECTRICAL ADJUSTMENTS
······························· 11
6. DIAGRAMS
6-1.
Circuit Boards Location ··················································· 16
6-2.
Block Diagrams ································································ 17
Main Section ····································································· 17
Tuner, CD Section ···························································· 18
Main Section ····································································· 17
Tuner, CD Section ···························································· 18
6-3.
Printed Wiring Board Main Section ······························· 20
6-4.
Schematic Diagram Main (1/3) Section ························· 21
6-5.
Schematic Diagram Main (2/3) Section ························· 22
6-6.
Schematic Diagram Main (3/3) Section ························· 23
6-7.
Printed Wiring Board Front Panel Section ····················· 24
6-8.
Schematic Diagram Front Panel Section ························ 25
6-9.
Printed Wiring Board Amplifier Section ························ 26
6-10. Schematic Diagram Amplifier Section ··························· 27
6-11. Printed Wiring Board CD Section ·································· 28
6-12. Schematic Diagram CD Section ····································· 29
6-13. IC Pin Function ································································ 30
6-14. IC Block Diagrams ··························································· 31
6-11. Printed Wiring Board CD Section ·································· 28
6-12. Schematic Diagram CD Section ····································· 29
6-13. IC Pin Function ································································ 30
6-14. IC Block Diagrams ··························································· 31
7. EXPLODED VIEWS
7-1.
Cabinet Section ································································· 35
7-2.
Front Panel Section ·························································· 36
7-3.
CD Mechanism Deck Section-1 ······································· 37
7-4.
CD Mechanism Deck Section-2 ······································· 38
7-5.
Base Unit Section (KSM-213ECM) ································· 39
8. ELECTRICAL PARTS LIST
······································· 40
4
1
1/u (Power) button
2
TIMER SELECT button
3
CLOCK/TIMER SET button
4
( (TAPE A) button
5
9 (TAPE B) button
6
( (TAPE B) button
7
p (STOP) button
8
^ (CD) button
9
DISPLAY/DEMO button
!º
FUNCTION button
!¡
TUNER/BAND button
!™
+ button
!£
+ + button
!¢
CD SYNC button
!∞
PAUSE button
!§
REC button
!¶
6 OPEN/CLOSE button
!•
DISC SKIP/EX-CHANGE button
!ª
DISC 3 button
@º
DISC 2 button
@¡
DISC 1 button
@™
DECK B
@£
ENTER/NEXT button
@¢
VOLUME knob
@∞
DECK A
@§
REPEAT/STEREO/MONO button
@¶
PLAY MODE/TUNER MEMORY button
@•
EDIT/DIRECTION button
@ª
DBFB button
#º
FILE SELECT button
#¡
PHONES jack
#™
= – button
#£
= button
SECTION 1
GENERAL
4
3
2
#¡
@¶
@•
@§
@∞
@¢
@£
@™
@¡
@º
!ª
!§
!∞
!¶
!•
!¢
!£
!™
5
6
7
8
9
!º
!¡
1
#£
#™
#£
#™
#º
@ª
@ª
