Sony HCD-H551 / MHC-551 / MHC-G55 Service Manual ▷ View online
— 1 —
COMPACT DISC DECK RECEIVER
HCD-H551
AEP Model
UK Model
E Model
Tourist Model
SERVICE MANUAL
HCD-H551 is the tuner, deck, CD and
amplifier section in MHC-G55/551.
amplifier section in MHC-G55/551.
Model Name Using Similar Mechanism
NEW
CD Mechanism Type
CDM28-5BD19
Base Unit Type
BU-5BD19
Optical Pick-up Type
KSS-213BA/F-NP
Model Name Using Similar Mechanism
HCD-H501
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
Photo: E model
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
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
East European model:
65.0 – 78.0 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
German, Italian models:
AM: 531 – 1,602 kHz (with
the interval set at 9 kHz)
the interval set at 9 kHz)
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)
Other models:
MW: 531 – 1,602 kHz (with
the interval set at 9 kHz)
530 – 1,710 kHz (with the
interval set at 10 kHz)
SW: 5.95 – 17.90 MHz
the interval set at 9 kHz)
530 – 1,710 kHz (with the
interval set at 10 kHz)
SW: 5.95 – 17.90 MHz
— 2 —
Aerial
AM loop aerial,
External aerial terminals
External aerial terminals
Intermediate frequency
450 kHz
Amplifier section
AEP, UK, German, Italian, East European
models:
DIN power output
models:
DIN power output
20 W + 20 W (6 ohms, at
1 kHz, DIN)
1 kHz, DIN)
Continuous RMS power output
30W+30W (6 ohms, at
1kHz, 10% THD)
1kHz, 10% THD)
Music power output
40 W + 40 W (6 ohms, at
1 kHz, 10% THD)
1 kHz, 10% THD)
E, Saudi Arabia, Hong Kong, Singapore,
Malaysia, Taiwan, Tourist, Thailand, Indonesian
models:
Peak music power output
Malaysia, Taiwan, Tourist, Thailand, Indonesian
models:
Peak music power output
400 W
Continuous RMS power output
30 W + 30 W (6 ohms at
1 kHz, 10% THD)
1 kHz, 10% THD)
Inputs
VIDEO IN (phono jacks):
Voltage 250 mV,
impedance 47 kilohms
impedance 47 kilohms
MIX MIC (phone jacks):
ensitivity 1 mV,
impedance 10 kilohms
impedance 10 kilohms
Outputs
PHONES (stereo phone jack):
accepts headphones of 8 ohms
or more.
or more.
SPEAKER: accepts impedance of 6 to
16 ohms.
E, Saudi Arabia, Hong Kong,
Singapore, Malaysia, Taiwan, Tourist,
Thailand, Indonesian models:
SUPPER WOOFER:
Singapore, Malaysia, Taiwan, Tourist,
Thailand, Indonesian models:
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
±0.15% W.Peak (IEC)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
General
Power requirements
AEP, UK, German, Italian, East European
models:
models:
220 – 230 V AC, 50/60 Hz
Malaysia model:
220 – 240 V AC, 50/60 Hz
Thailand model:
220 V AC, 50/60 Hz
Other models:
110 – 120 V or 220 – 240 V
AC, 50/60 Hz
Adjustable with the voltage
selector
AC, 50/60 Hz
Adjustable with the voltage
selector
Power consumption
67 W
Dimensions
Approx. 280 x 325 x 360 mm
(11 1/8 x 12 7/8 x 14 1/4 in)
(w/h/d)
incl. projecting parts and
controls
(11 1/8 x 12 7/8 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.
— 3 —
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.
MODEL IDENTIFICATION
— BACK PANEL —
— BACK PANEL —
Parts No.
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.
CLASS 1 LASER product.
The CLASS 1 LASER
PRODUCT MARKING is
located on the rear exterior.
AEP model
UK model
German model
Italian model
East European model
E model
Saudi Arabia, Taiwan model
Malaysia model
Singapore model
Hong Kong model
Tourist model
Indonesian model
Thailand model
4-979-273-0
π
4-979-273-1
π
4-979-273-2
π
4-979-273-3
π
4-979-273-4
π
4-979-274-0
π
4-979-274-1
π
4-979-274-2
π
4-979-274-3
π
4-979-274-4
π
4-979-274-5
π
4-979-274-6
π
4-979-274-7
π
PARTS No.
MODEL
This caution
label is located
inside the unit.
label is located
inside the unit.
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Section
Title
Page
SECTION 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
SECTION 8. ELECTRICAL PARTS LIST
.................... 79
Section
Title
Page
SECTION 1. SERVICING NOTE ................................
5
SECTION 2. GENERAL
....................................................... 6
SECTION 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
SECTION 4. MECHANICAL ADJUSTMENTS
.......... 11
SECTION 5. ELECTRICAL ADJUSTMENTS
DECK Section ............................................................................. 11
TUNER Section ........................................................................... 14
CD Section ................................................................................... 16
TUNER Section ........................................................................... 14
CD Section ................................................................................... 16
SECTION 6. DIAGRAMS
6-1.
Circuit Boards Location .................................................... 18
6-2.
Block Diagrams
• Tuner Section (AEP, UK, G, IT, EE Model) .................. 19
• Tuner Section
• Tuner Section (AEP, UK, G, IT, EE Model) .................. 19
• Tuner Section
(E, EA, SP, MY, TW, HK, IA, JE Model) ...................... 21
• Tuner Section (TH Model) ............................................. 23
• Deck Section .................................................................. 25
• CD Section ..................................................................... 27
• Main Section .................................................................. 29
• Deck Section .................................................................. 25
• CD Section ..................................................................... 27
• Main Section .................................................................. 29
6-3.
Printed Wiring Board — Tuner Section —
(AEP, UK, G, IT, EE Model) ............................................. 31
(AEP, UK, G, IT, EE Model) ............................................. 31
6-4.
Schematic Diagram — Tuner Section —
(AEP, UK, G, IT, EE Model) ............................................. 32
(AEP, UK, G, IT, EE Model) ............................................. 32
6-5.
Printed Wiring Board — Tuner Section —
(E, EA, SP, MY, TW, HK, IA, JE Model) .......................... 34
6-6. Schematic Diagram — Tuner Section —
(E, EA, SP, MY, TW, HK, IA, JE Model) .......................... 37
6-7. Printed Wiring Board — Tuner Section —
(TH Model) ........................................................................ 37
6-8. Schematic Diagram — Tuner Section —
(TH Model) ........................................................................ 38
6-9. Printed Wiring Board — Main Section — ........................ 42
6-10. Schematic Diagram — Main Section — ........................... 45
6-11. Schematic Diagram — Deck Section — ........................... 49
6-12. Printed Wiring Board — Deck Section — ........................ 53
6-13. Printed Wiring Board — Panel Section — ........................ 55
6-14. Schematic Diagram — Panel Section — ........................... 57
6-15. Schematic Diagram — CD Section — .............................. 61
6-16. Printed Wiring Board — CD Section — ........................... 63
6-17. IC Block Diagrams — CD Section — .............................. 65
6-18. IC Pin Functions
6-10. Schematic Diagram — Main Section — ........................... 45
6-11. Schematic Diagram — Deck Section — ........................... 49
6-12. Printed Wiring Board — Deck Section — ........................ 53
6-13. Printed Wiring Board — Panel Section — ........................ 55
6-14. Schematic Diagram — Panel Section — ........................... 57
6-15. Schematic Diagram — CD Section — .............................. 61
6-16. Printed Wiring Board — CD Section — ........................... 63
6-17. IC Block Diagrams — CD Section — .............................. 65
6-18. IC Pin Functions
• IC501 Graphic Control (ASD042) .................................. 67
• IC701 Master Control (TMP87CP64YF) ....................... 68
• IC701 Master Control (TMP87CP64YF) ....................... 68
TABLE OF CONTENTS
• Abbreviation
G:
German model.
IT:
Italian model.
EE: East European model.
EA: Saudi Arabia model.
SP:
EA: Saudi Arabia model.
SP:
Singapore model.
MY: Malaysia model.
TW: Taiwan model.
HK: Hong Kong model.
IA:
TW: Taiwan model.
HK: Hong Kong model.
IA:
Indonesian model.
TH: Thailand model.
JE:
JE:
Tourist model.
