Read Sony HCD-GR5 / HCD-RX50 / MHC-GR5 / MHC-RX50 Service Manual online
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HCD-GR5/RX50
COMPACT DISC DECK RECEIVER
AEP Model
UK Model
HCD-RX50
E Model
Tourist Model
HCD-GR5
SERVICE MANUAL
HCD-GR5/RX50 is the tuner, deck, CD
and amplifier section in MHC-GR5/RX50.
and amplifier section in MHC-GR5/RX50.
Model Name Using Similar Mechanism
HCD-H551
CD Mechanism Type
CDM28-5BD19
Base Unit Type
BU-5BD19
Optical Pick-up Type
KSS-213BA/F-NP
Model Name Using Similar Mechanism
HCD-H551
Tape Transport Mechanism Type
TCM-220WR2E
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol
Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol
a are trademarks
of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
MICROFILM
CD
SECTION
TAPE
DECK
SECTION
CD player section
System
Compact disc and digital
audio system
audio system
Laser
Semiconductor (
λ
= 780nm)
Emission duration:
continuous
continuous
Laser output
Max 44.6 µW*
*This output is the value
measured at a distance of
200mm from the objective
lens surface on the Optical
Pick-up Block with 7mm
aperture.
*This output is the value
measured at a distance of
200mm from the objective
lens surface on the Optical
Pick-up Block with 7mm
aperture.
Wavelength
780 – 790 nm
Frequency response
2 Hz – 20 kHz (±0.5 dB)
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
CD DIGITAL OPTICAL OUTPUT
(Square optical connector jack,rear panel)
Wavelength
(Square optical connector jack,rear panel)
Wavelength
600nm
Output level
-18dBm
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
East European model:
65.0 – 75.0 MHz,
87.5 – 108.0 MHz
87.5 – 108.0 MHz
— Continue on next page —
Tourist model:
76.0 – 108.0 MHz
Other models:
87.5 – 108.0 MHz
Aerial
FM lead aerial
Aerial terminals 75 ohm unbalanced
Intermediate frequency
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
AEP, UK, East European models:
MW: 531 – 1,602 kHz (with
the interval set at 9 kHz)
LW: 153 – 279 kHz (with
the interval set at 3 kHz)
the interval set at 9 kHz)
LW: 153 – 279 kHz (with
the interval set at 3 kHz)
German models:
531 – 1,602 kHz (with
the interval set at 9 kHz)
the interval set at 9 kHz)
EA4,Thailand models:
531 – 1,710 kHz(with
the interval set at 9 kHz)
530 – 1,710 kHz(with
the interval set at 10 kHz)
the interval set at 9 kHz)
530 – 1,710 kHz(with
the interval set at 10 kHz)
Photo: HCD-GR5
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Other models:
MW: 531 – 1,602 kHz (with
the interval set at 9 kHz)
MW: 530 – 1,710 kHz (with
the interval set at 10 kHz)
SW: 5.95 – 17.90 MHz
(with the interval set at 10 kHz)
the interval set at 9 kHz)
MW: 530 – 1,710 kHz (with
the interval set at 10 kHz)
SW: 5.95 – 17.90 MHz
(with the interval set at 10 kHz)
Antenna
AM loop antenna,
External antenna terminals
External antenna terminals
Intermediate frequency
450 kHz
Amplifier section
(AEP,UK,German,East European models)
DIN power output
DIN power output
40W+40W (6 ohms, at
1kHz, DIN)
1kHz, DIN)
Continuous RMS power output
50W+50W (6 ohms, at
1kHz, 10% THD)
1kHz, 10% THD)
Music power output
85W+85W (6 ohms, at
1kHz, 10% THD)
1kHz, 10% THD)
(Other models)
Peak music power output
Peak music power output
800W
Continuous RMS power output
50W+50W (6 ohms, at
1kHz, 10% THD)
1kHz, 10% THD)
Inputs
MIX MIC (phone jacks):
sensitivity 1 mV,
impedance 10 kilohms
impedance 10 kilohms
AUDIO IN:
Audio (Phono Jacks)
Voltage 450mV
Impedance 47 kilohms
Voltage 450mV
Impedance 47 kilohms
Outputs
PHONES (stereo phone jack):
accepts headphones of 8 ohms
or more.
or more.
SPEAKER: accepts impedance of 6 to
16 ohms.
AUDIO OUT:
Audio (Phono Jacks)
Voltage 450mV
Impedance 1 kilohms
Voltage 450mV
Impedance 1 kilohms
GR5 model:
SUPPER WOOFER:
SUPPER WOOFER:
Voltage 1 V, impedance
1 kilohms
1 kilohms
Tape player section
Recording system
4-track 2-channel stereo
Frequency response
(DOLBY NR OFF)
40 – 13,000 Hz (±3 dB),
using Sony TYPE I cassette
40 – 14,000 Hz (±3 dB),
using Sony TYPE II cassette
40 – 13,000 Hz (±3 dB),
using Sony TYPE I cassette
40 – 14,000 Hz (±3 dB),
using Sony TYPE II cassette
Wow and flutter
0.3% W.RMS (NAB)
General
Power requirements
AEP,UK,German,East European models:
220 – 230 V AC, 50/60 Hz
EA4,Thailand models:
220 – 240 V AC, 50/60 Hz
Other models:
110 – 120 V, 220 – 240 V
AC, 50/60 Hz
Adjustable with the voltage selector
AC, 50/60 Hz
Adjustable with the voltage selector
Power consumption
95 W
Dimensions
Approx. 280 x 330 x 360 mm
(11 1/8 x 13 x 14 1/4 in)
(w/h/d)
incl. projecting parts and
controls
(11 1/8 x 13 x 14 1/4 in)
(w/h/d)
incl. projecting parts and
controls
Mass
Approx. 7.5 kg (16 lb 9 oz)
Design and specifications are subject to
change without notice.
change without notice.
• Abbreviation
EA4: Without voltage selector Saudi Arabia model
EA4: Without voltage selector Saudi Arabia model
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MODEL
PARTS No.
GR5 : E model
GR5 : EA3,Taiwan, Tourist model
GR5 : Singapore,Malaysia model
GR5 : Hong Kong model
GR5 : Indonesian model
GR5 : EA4,Thailand model
RX50 : AEP,German model
RX50 : UK model
RX50 : East European model
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.
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.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
exceeding the limit for Class 1.
This appliance is classified as
a CLASS 1 LASER product.
The CLASS 1 LASER
PRODUCT MARKING is
located on the rear exterior.
a CLASS 1 LASER product.
The CLASS 1 LASER
PRODUCT MARKING is
located on the rear exterior.
This caution
label is located
inside the unit.
label is located
inside the unit.
MODEL IDENTIFICATION
— BACK PANEL —
— BACK PANEL —
Parts No.
4-988-833-0
π
4-988-833-1
π
4-988-833-2
π
4-988-833-3
π
4-988-833-4
π
4-988-833-5
π
4-988-834-0
π
4-988-834-1
π
4-988-834-2
π
• Abbreviation
EA3: With voltage selector Saudi Arabia model.
EA4: Without voltage selector Saudi Arabia model.
EA3: With voltage selector Saudi Arabia model.
EA4: Without voltage selector Saudi Arabia model.
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1. SERVICING NOTE
.................................................... 5
2. GENERAL
.................................................................... 6
3. DISASSEMBLY
3-1. Front Panel ....................................................................... 8
3-2. TC Mechanism Deck ....................................................... 8
3-3. HP Board, JOG Board and PANEL Board ...................... 9
3-4. CD Block ......................................................................... 10
3-5. CD Mechanism Deck ....................................................... 10
3-2. TC Mechanism Deck ....................................................... 8
3-3. HP Board, JOG Board and PANEL Board ...................... 9
3-4. CD Block ......................................................................... 10
3-5. CD Mechanism Deck ....................................................... 10
4. MECHANICAL ADJUSTMENTS
......................... 11
5. ELECTRICAL ADJUSTMENTS
DECK Section ......................................................................... 11
TUNER Section ....................................................................... 14
CD Section .............................................................................. 16
TUNER Section ....................................................................... 14
CD Section .............................................................................. 16
6. DIAGRAMS
6-1. Block Diagrams
• CD Section ..................................................................... 18
• Main Section ..................................................................19
• Tuner Section
• Main Section ..................................................................19
• Tuner Section
(AEP, UK, German, East European Model) .................. 21
• Tuner Section (Tourist Model) ..................................... 22
• Deck Section .................................................................. 23
• Deck Section .................................................................. 23
6-2. Circuit Boards Location ................................................... 24
6-3. Printed Wiring Board — Panel Section —........................ 25
6-4. Schematic Diagram — Panel Section —
6-3. Printed Wiring Board — Panel Section —........................ 25
6-4. Schematic Diagram — Panel Section —
...................... 27
6-5. Schematic Diagram — Main Section — ........................ 31
6-6. Printed Wiring Board — Main Section — ...................... 35
6-7. Schematic Diagram — Deck Section — ........................ 39
6-8. Printed Wiring Board — Deck Section — ...................... 43
6-9. Schematic Diagram — CD Section — ............................ 46
6-10.Printed Wiring Board — CD Section — ......................... 49
6-11.Schematic Diagram — Tuner Section —
6-6. Printed Wiring Board — Main Section — ...................... 35
6-7. Schematic Diagram — Deck Section — ........................ 39
6-8. Printed Wiring Board — Deck Section — ...................... 43
6-9. Schematic Diagram — CD Section — ............................ 46
6-10.Printed Wiring Board — CD Section — ......................... 49
6-11.Schematic Diagram — Tuner Section —
(AEP, UK, German, East European Model)...................... 52
6-12.Schematic Diagram — Tuner Section —
(Tourist Model) ................................................................. 55
6-13.Printed Wiring Board — Tuner Section —
(AEP, UK, German, East European Model) ..................... 58
(Tourist Model) ................................................................ 59
6-14.IC Pin Functions
6-14.IC Pin Functions
• IC501 Graphic Control (µPD78042FGF-027-3B9)........ 61
• IC701 Master Control (TMP87CP64YF-6521).............. 62
• IC701 Master Control (TMP87CP64YF-6521).............. 62
6-15.IC Block Diagrams .......................................................... 65
7. EXPLODED VIEWS
7-1. Case Section ..................................................................... 71
7-2. Back Panel Section .......................................................... 72
7-3. Front Panel Section 1 ....................................................... 73
7-4. Front Panel Section 2 ....................................................... 74
7-5. CD Mechanism Section (CDM28-5BD19) ...................... 75
7-6. Base Unit Section (BU-5BD19) ....................................... 76
7-7. TC Mechanism Section 1 (TCM-220WR2E) .................. 77
7-8. TC Mechanism Section 2 (TCM-220WR2E) .................. 78
7-2. Back Panel Section .......................................................... 72
7-3. Front Panel Section 1 ....................................................... 73
7-4. Front Panel Section 2 ....................................................... 74
7-5. CD Mechanism Section (CDM28-5BD19) ...................... 75
7-6. Base Unit Section (BU-5BD19) ....................................... 76
7-7. TC Mechanism Section 1 (TCM-220WR2E) .................. 77
7-8. TC Mechanism Section 2 (TCM-220WR2E) .................. 78
8. ELECTRICAL PARTS LIST
....................................79
TABLE OF CONTENTS