SERVICE MANUAL
Ver 1.2 2002.10
MICRO Hi-Fi COMPONENT SYSTEM
CMT-DC1
CMT-DC1
COMPACT DISC DECK
HCD-DC1
RECEIVER SYSTEM
SPEAKER SYSTEM
SS-CDC1
US Model
Canadian Model
AEP Model
UK Model
E Model
SPECIFICATIONS
Power requirements
North American model:
120 V AC, 60 Hz
European model:
230 V AC, 50/60 Hz
Mexican model:
120 V AC, 60 Hz
Other models:
110 - 120 V or 220 - 240 V AC, 50/60 Hz
Adjustable with voltage selector
Power consumption
European model:
See the nameplate
0.5 W (in the standby mode)
Other models:
See the nameplate
Dimensions (w/h/d)
Approx. 191
× 253 × 346 mm incl.
projecting parts and controls
Mass
Approx. 5.6 kg
Supplied accessories
Remote commander (1)
AM loop antenna (1)
FM wire antenna (1)
Batteries (2)
Speaker grille net (2)
Design and specifications are subject to change without notice.
· CMT-DC1 is composed of following models.
As service manuals are issued for each component model,
please refer to them.
COMPONENT MODEL NAME
1-476-663-21 REMOTE COMMANDER (RM-SDC1)
1-501-374-11 ANTENNA, LOOP (AM)
1-501-659-61 ANTENNA (FM) (EXCEPT AEP, UK)
1-569-008-21 ADAPTOR, CONVERSION 2P (SP, MY)
1-754-060-11 ANTENNA (FM) (AEP, UK)
4-230-866-01 COVER (BATTERY) (for RM-SDC1)
4-235-851-11 MANUAL, INSTRUCTION (ENGLISH)
4-235-851-21 MANUAL, INSTRUCTION (FRENCH, SPANISH)
(AEP, MX, MY, SP)
4-235-851-31 MANUAL, INSTRUCTION (GERMAN, DUTCH, ITALIAN,
SWEDISH, POLISH) (AEP)
4-235-851-41 MANUAL, INSTRUCTION (TRADITIONAL CHINESE)
(HK, MY, SP)
4-235-851-51 MANUAL, INSTRUCTION (FRENCH) (US, CND)
4-235-852-11 MANUAL, INSTRUCTION (GREEK) (AEP)
4-235-852-21 MANUAL, INSTRUCTION (HUNGARIAN, CZECH) (AEP)
4-235-852-31 MANUAL, INSTRUCTION (TURKISH) (AEP)
4-235-852-41 MANUAL, INSTRUCTION (SLOVAKIAN) (AEP)
4-236-346-11 MANUAL, INSTRUCTION (DANISH, FINNISH) (AEP)
4-236-346-21 MANUAL, INSTRUCTION (PORTUGUESE) (AEP)
X-4954-044-1 NET ASSY, SPEAKER (SILVER)
X-4954-079-1 NET ASSY, SPEAKER (BLACK)
X-4954-080-1 NET ASSY, SPEAKER (RED)
PARTS LIST
Part No.
Description
Remark
9-873-182-03
Sony Corporation
2002J0500-1
Home Audio Company
C
2002.10
Published by Sony Engineering Corporation
·Abbreviation
CND : Canadian model
HK : Hong Kong model
MX : Mexican model
MY : Malaysia model
SP
: Singapore model
The components identified by
mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part num-
ber specified.
Les composants identifiés par une
marque 0 sont critiques pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
0
SERVICE MANUAL
MICRO Hi-Fi COMPONENT SYSTEM
US Model
Canadian Model
AEP Model
UK Model
E Model
HCD-DC1
Ver 1.1 2001.09
9-873-181-02
Sony Corporation
2001I0500-1
Home Audio Company
C
2001.9
Shinagawa Tec Service Manual Production Group
SPECIFICATIONS
HCD-DC1 is the Amplifier, CD player, Tape Deck
and Tuner section in CMT-DC1.
Model Name Using Similar Mechanism
HCD-CP100
CD Mechanism Type
CDM55F-K6BD41A
Model Name Using Similar Mechanism
HCD-CP100
CD
Section
Tape deck
Section
Amplifier section
For the U.S. model
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 6-ohm loads, both channels driven, from
70 - 20,000 Hz; rated 18 watts per channel
minimum RMS power, with no more than 0.9%
total harmonic distortion from 250 milliwatts to
rated output.
North American model:
Continuous RMS power output (reference):
35 + 35 W
(6 ohms at 1 kHz, 10%
THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 18 W)
European model:
DIN power output (rated): 30 + 30 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
35 + 35 W
(6 ohms at 1 kHz, 10%
THD)
Music power output (reference):
85 + 85 W
Other models:
The following measured at 230 V AC, 60 Hz
DIN power output (rated): 27 + 27 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
32 + 32 W
(6 ohms at 1 kHz, 10%
THD)
The following measured at 220 V AC, 60 Hz
DIN power output (rated): 23 + 23 W
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
26 + 26 W
(6 ohms at 1 kHz, 10%
THD)
Inputs
AUDIO IN MD (VIDEO) (phono jacks):
Sensitivity 500/250 mV,
impedance 47 kilohms
Outputs
OPTICAL DIGITAL OUT (CD):
Optical
PHONES (stereo minijack):
Accepts headphones with
an impedance of 8 ohms
or more
SPEAKER:
Passive speaker system,
6 ohms
CD player section
System
Compact disc and digital
audio system
Laser
Semiconductor laser
(
= 780 nm)
Emission
duration: continuous
Wavelength
780 - 790 nm
Frequency response
2 Hz - 20 kHz (
±0.5 dB)
Tape player section
Recording system
4-track 2-channel stereo
Frequency response
50 - 13,000 Hz (
±3 dB),
using a Sony TYPE I
cassette
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
North American model:
87.5 - 108.0 MHz
(100-kHz step)
Other models:
87.5 - 108.0 MHz
(50-kHz step)
Antenna
FM wire antenna
Antenna terminals
75 ohm unbalanced
Intermediate frequency
10.7 MHz
Continued on next page
2
HCD-DC1
TABLE OF CONTENTS
1.
SERVICING NOTES ............................................... 4
2.
GENERAL
Parts Identification ..........................................................
5
Setting the Time ..............................................................
5
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
7
3-2. Upper Cover Sub Assy ....................................................
8
3-3. CD Lid .............................................................................
8
3-4. Front Panel Section .........................................................
9
3-5. Tape Mechanism Deck ....................................................
9
3-6. CD Mechanism Deck (CDM55F-K6BD41A) ................ 10
3-7. Base Unit (BU-K6BD41A) ............................................. 10
3-8. Loading Motor Board ..................................................... 11
3-9. Cam (CDM55) ................................................................ 11
4.
TEST MODE .............................................................. 12
5.
ELECTRICAL ADJUSTMENTS
Deck Section ................................................................... 13
CD Section ...................................................................... 14
6.
DIAGRAMS
6-1. Block Diagram CD SERVO Section ....................... 15
6-2. Block Diagram MAIN Section ................................ 16
6-3. Block Diagram
DISPLAY/POWER SUPPLY Section ...................... 17
6-4. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 18
6-5. Printed Wiring Board CD Board ............................. 20
6-6. Schematic Diagram CD Board ................................ 21
6-7. Printed Wiring Board TC Board .............................. 22
6-8. Schematic Diagram TC Board ................................. 23
6-9. Schematic Diagram MAIN Board (1/3) ................. 24
6-10. Schematic Diagram MAIN (2/3)/
LOADING MOTOR/HEADPHONE Boards ............. 25
6-11. Schematic Diagram MAIN (3/3)/LCD Boards ...... 26
6-12. Printed Wiring Boards MAIN/LCD/
LOADING MOTOR/HEADPHONE Boards .............. 27
6-13. Printed Wiring Boards
SWITCH/I/O SWITCH Boards ................................ 28
6-14. Schematic Diagram
SWITCH/I/O SWITCH Boards ................................ 29
6-15. Printed Wiring Board POWER Board ...................... 30
6-16. Schematic Diagram POWER Board ......................... 31
6-17. IC Pin Function Description ........................................... 32
7.
EXPLODED VIEWS
7-1. Upper Cover, Tape Mech Deck Section ......................... 37
7-2. Front Panel Section ......................................................... 38
7-3. Chassis Section ............................................................... 39
7-4. CD Mechanism Deck (CDM55F-K6BD41A) ................ 40
7-5. Base Unit (BU-K6BD41A) ............................................. 41
8.
ELECTRICAL PARTS LIST ............................... 42
AM tuner section
Tuning range
North American model:
530 - 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 - 1,710 kHz
(with the tuning interval
set at 9 kHz)
European model:
531 - 1,602 kHz
(with the tuning interval
set at 9 kHz)
Other models:
530 - 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 - 1,602 kHz
(with the tuning interval
set at 9 kHz)
Antenna
AM loop antenna, external
antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
North American model:
120 V AC, 60 Hz
European model:
230 V AC, 50/60 Hz
Mexican model:
120 V AC, 60 Hz
Other models:
110 - 120 V or 220 -
240 V AC , 50/60 Hz
Adjustable with voltage
selector
Power consumption
European model:
See the nameplate
0.5 W (in the standby
mode)
Other models:
See the nameplate
Dimensions (w/h/d)
Approx. 191
× 253 ×
346 mm incl. projecting
parts and controls
Mass
Approx. 5.6 kg
Design and specifications are subject to change
without notice.
Ver 1.1
3
HCD-DC1
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
The following caution label is located inside the unit.
CAUTION
: INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED.
AVOID EXPOSURE TO BEAM.
ADVARSEL : USYNLIG LASERSTRÅLING VED ÅBNING NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDGÅ UDSAETTELSE
FOR STRÅLING.
VORSICHT : UNSICHTBARE LASERSTRAHLUNG, WENN
ABDECKUNG GEÖFFNET UND SICHEREITSVERRIEGELUNG
ÜBERBRÜCKT. NICHT DEM STRAHL AUSSETZEN.
VARO!
: AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALT-
TIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
VARNING
: OSYNLING LASERSTRÅLING NÄR DENNA DEL ÄR ÖPPNAD
OCH SPÄRREN ÄR URKOPPLAD. BETRAKTA EJ STRÅLEN.
ADVERSEL : USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG
SIKKERHEDSLÅS BRYTES. UNNGÅ EKSPONERING FOR STRÅLEN.
VIGYAZAT! : A BURKOLAT NYITÁSAKOR LÁTHATATLAN LÉZERSU-
GÁRVESZÉLY! KERÜLJE A BESUGÁRZÁST!
Notes on chip component replacement
· Never reuse a disconnected chip component.
· Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
· Keep the temperature of the soldering iron around 270 °C dur-
ing 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.
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 PUB-
LISHED BY SONY.
SAFETY CHECK-OUT
After correcting the original service problem, perform the follow-
ing safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, "metallized" knobs,
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers' instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The "limit" indica-
tion is 0.75 V, so analog meters must have an accurate low-
voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-
amples of a passive VOM that is suitable. Nearly all battery
operated digital multimeters that have a 2 V AC range are suit-
able. (See Fig. A)
Fig. A.
Using an AC voltmeter to check AC leakage.
1.5 k
0.15
µF
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
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.
Ver 1.1
4
HCD-DC1
SECTION 1
SERVICING NOTES
The laser diode in the optical pick-up block may suffer electro-
static 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.
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 emis-
sion, observe from more than 30 cm away from the objective lens.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
SERVICE POSTION
In checking the CD block, prepare jig (extension cable J-2501-
011-B).
Connect jig (extension cable J-2501-011-B)
to the MAIN board (CN101) and CD board (CN101).
MAIN board
CD board
Ver 1.1
· MODEL IDENTIFICATION
Rear Panel
Power Voltage
Incdication
AC: 120 V 60 Hz 75 W
AC: 230 V -50/60 Hz 75 W
AC: 110 120/
220 240 V / 50/60 Hz 75 W
Model
US, CND, MX models
AEP, UK models
HK, MY, SP models
· Abbreviation
CND : Canadian model
HK
: Hong Kong model
MX
: Mexican model
MY
: Malaysia model
SP
: Singapore model
Power Voltage Indication
VOLTAGE SELECTOR
Switch
(HK, MY, SP models)