Sony CMT-U1BT / HCD-U1BT Service Manual ▷ View online
SERVICE MANUAL
Sony Corporation
Personal Audio Division
Published by Sony Techno Create Corporation
Published by Sony Techno Create Corporation
US Model
Canadian Model
AEP Model
UK Model
E Model
COMPACT DISC RECEIVER
9-887-353-04
2006L16-1
© 2006.12
© 2006.12
Ver. 1.3 2006.12
SPECIFICATIONS
HCD-U1BT
HCD-U1BT is the Amplifier, BLUETOOTH, CD
player, USB and Tuner section in CMT-U1BT.
player, USB and Tuner section in CMT-U1BT.
Model Name Using Similar Mechanism
HCD-U1
CD
Base Unit Name
BU-F4BD83S-WOD
Section
Optical Pick-up Name
KSM-215CFP/C2NP
Amplifier section
AUDIO POWER SPECIFICATIONS
(USA model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 25 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
AUDIO POWER SPECIFICATIONS
(USA model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 25 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
North American model:
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)
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
25 + 25 watts (6 ohms at 1 kHz, 10% THD)
European model:
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)
Music power output (reference):
25 + 25 watts (6 ohms at 1 kHz, 10% THD)
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
25 + 25 watts (6 ohms at 1 kHz, 10% THD)
Music power output (reference):
25 + 25 watts (6 ohms at 1 kHz, 10% THD)
Korean model:
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)
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
25 + 25 watts (6 ohms at 1 kHz, 10% THD)
Inputs:
AUDIO IN (stereo mini jack): voltage 620 mV,
impedance 47 kilohms
impedance 47 kilohms
(USB) port: Type A, maximum current
500 mA
Outputs:
i
(PHONES (stereo mini jack)): accepts
headphones of 8 ohms or more
SPEAKER: accepts impedance of 6 ohms
SPEAKER: accepts impedance of 6 ohms
BLUETOOTH section
Communication system:
Communication system:
BLUETOOTH Standard version 2.0
Output:
BLUETOOTH Standard Power Class 2
Maximum communication range:
Line of sight approx. 10 m
1)
Frequency band:
2.4 GHz band (2.4000 GHz – 2.4835 GHz)
Modulation method:
FHSS
Compatible BLUETOOTH profiles
2)
:
A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio Video Remote Control Profile)
AVRCP (Audio Video Remote Control Profile)
Audio format:
SBC (Sub Band Codec)
1) The actual range will vary depending on factors such
as obstacles between devices, magnetic fields around
a microwave oven, static electricity, reception
sensitivity, antenna’s performance, operating system,
software application, etc.
a microwave oven, static electricity, reception
sensitivity, antenna’s performance, operating system,
software application, etc.
2) BLUETOOTH standard profiles indicate the purpose
of BLUETOOTH communication between devices.
USB section
Supported bit rate
Supported bit rate
MP3 (MPEG 1 Audio Layer-3):
32 – 320 kbps, VBR
ATRAC: 48 – 352 kbps (ATRAC3 plus),
66/105/132 kbps (ATRAC3)
WMA: 48 – 192 kbps, VBR
AAC: 48 – 320 kbps
32 – 320 kbps, VBR
ATRAC: 48 – 352 kbps (ATRAC3 plus),
66/105/132 kbps (ATRAC3)
WMA: 48 – 192 kbps, VBR
AAC: 48 – 320 kbps
Sampling frequencies
MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
ATRAC: 44.1 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
32/44.1/48 kHz
ATRAC: 44.1 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
System: Compact disc and digital audio system
Laser Diode Properties
Emission duration: continuous
Laser Output*: Less than 44.6
Laser Output*: Less than 44.6
µW
* 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: 20 Hz – 20 kHz
— Continued on next page —
US and foreign patents licensed from
Dolby Laboratories.
Dolby Laboratories.
2
HCD-U1BT
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
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.
After correcting the original service problem, perform the following
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.
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.
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” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable. (See
Fig. A)
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable. (See
Fig. A)
Fig. A.
Using an AC voltmeter to check AC leakage.
1.5 k
Ω
0.15
µ
F
AC
voltmeter
(0.75 V)
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Parts on Set
Earth Ground
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.
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.
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.
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.
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM stereo, FM/AM superheterodyne tuner
FM tuner section:
Tuning range
Pan-American models:
Tuning range
Pan-American models:
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:
Antenna terminals: 75 ohms unbalanced
Intermediate frequency: 10.7 MHz
AM tuner section:
Tuning range
Pan-American models:
530 – 1,710 kHz (with the tuning interval
set at 10 kHz)
531 – 1,710 kHz (with the tuning interval
set at 9 kHz)
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)
set at 9 kHz)
Korean model:
530 – 1,710 kHz (with the tuning interval
set at 10 kHz)
531 – 1,602 kHz (with the tuning interval
set at 9 kHz)
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
terminal
Intermediate frequency: 450 kHz
General
Power requirements
North American model:
Power requirements
North American model:
120 V AC, 60 Hz
European model:
220 – 240 V AC, 50/60 Hz
Korean model:
220 – 240 V AC, 60 Hz
Power consumption: 35 watts
Dimensions (w/h/d) (excl. speakers):
Approx. 160
Dimensions (w/h/d) (excl. speakers):
Approx. 160
× 241 × 218 mm
Mass (excl. speakers) 3.2 kg
Design and specifications are subject to change
without notice.
without notice.
Ver. 1.3
3
HCD-U1BT
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
4
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
9
3-2.
Back Cover ...................................................................... 10
3-3.
Top Panel Assy ................................................................ 10
3-4.
Front Panel Assy .............................................................. 11
3-5.
PANEL Board, ANT Board ............................................. 12
3-6.
BT Board ......................................................................... 12
3-7.
SMASTER Board ............................................................ 13
3-8.
SW POWER Board ......................................................... 14
3-9.
Tuner (FM/AM) ............................................................... 15
3-10. REG Board ...................................................................... 15
3-11. MAIN Board .................................................................... 16
3-12. CD Mechanism Deck (CDM80BT-F4BD83S-WOD) ..... 16
3-13. USB Board, HP Board ..................................................... 17
3-14. SP Board .......................................................................... 18
3-15. Chassis (Top) ................................................................... 18
3-16. Lever (Loading R/L) ........................................................ 19
3-17. Disc Stop Lever, Disc Sensor Lever ................................ 20
3-18. DRIVER Board ............................................................... 20
3-19. BD83S Board, Optical Pick-up (KSM-215CFP) ............ 21
3-20. Holder (BU215T) Assy ................................................... 22
3-21. Lever (BU Lock) ............................................................. 22
3-22. Close Lever ...................................................................... 23
3-23. Lever (DIR), Gear (IDL-B) ............................................. 23
3-24. Gear (IDL-C) ................................................................... 24
3-11. MAIN Board .................................................................... 16
3-12. CD Mechanism Deck (CDM80BT-F4BD83S-WOD) ..... 16
3-13. USB Board, HP Board ..................................................... 17
3-14. SP Board .......................................................................... 18
3-15. Chassis (Top) ................................................................... 18
3-16. Lever (Loading R/L) ........................................................ 19
3-17. Disc Stop Lever, Disc Sensor Lever ................................ 20
3-18. DRIVER Board ............................................................... 20
3-19. BD83S Board, Optical Pick-up (KSM-215CFP) ............ 21
3-20. Holder (BU215T) Assy ................................................... 22
3-21. Lever (BU Lock) ............................................................. 22
3-22. Close Lever ...................................................................... 23
3-23. Lever (DIR), Gear (IDL-B) ............................................. 23
3-24. Gear (IDL-C) ................................................................... 24
4.
TEST MODE
............................................................... 25
5.
ELECTRICAL ADJUSTMENTS
.......................... 26
6.
DIAGRAMS
6-1.
Block Diagram — BD/DRIVER Section — .................. 28
6-2.
Block Diagram — FRONT Section — .......................... 29
6-3.
Block Diagram — AUDIO Section — ........................... 30
6-4.
Block Diagram — AMP Section — ............................... 31
6-5.
Block Diagram — POWER Section — .......................... 32
6-6.
Printed Wiring Board — BD83S Section — .................. 33
6-7.
Schematic Diagram — BD83S Section — ..................... 34
6-8.
Printed Wiring Board — DRIVER Section — ............... 35
6-9.
Schematic Diagram — DRIVER Section — ................. 35
6-10. Printed Wiring Board — MAIN Section — ................... 36
6-11. Schematic Diagram — MAIN Section (1/2) — ............. 37
6-12. Schematic Diagram — MAIN Section (2/2) — ............. 38
6-13. Printed Wiring Board — SMASTER Section — ........... 39
6-14. Schematic Diagram — SMASTER Section — .............. 40
6-15. Printed Wiring Board — PANEL Section — ................. 41
6-16. Schematic Diagram — PANEL Section — .................... 42
6-17. Printed Wiring Board — USB Section — ...................... 43
6-18. Schematic Diagram — USB Section — ......................... 44
6-19. Printed Wiring Boards — HP, SP, REG Section — ....... 45
6-20. Schematic Diagram — HP, SP Section — ..................... 46
6-21. Printed Wiring Board — SW POWER Section — ......... 47
6-22. Schematic Diagram — SW POWER Section — ........... 48
6-23. Printed Wiring Boards — BT, ANT Section — ............. 49
6-24. Schematic Diagram — BT, ANT Section — ................. 50
6-11. Schematic Diagram — MAIN Section (1/2) — ............. 37
6-12. Schematic Diagram — MAIN Section (2/2) — ............. 38
6-13. Printed Wiring Board — SMASTER Section — ........... 39
6-14. Schematic Diagram — SMASTER Section — .............. 40
6-15. Printed Wiring Board — PANEL Section — ................. 41
6-16. Schematic Diagram — PANEL Section — .................... 42
6-17. Printed Wiring Board — USB Section — ...................... 43
6-18. Schematic Diagram — USB Section — ......................... 44
6-19. Printed Wiring Boards — HP, SP, REG Section — ....... 45
6-20. Schematic Diagram — HP, SP Section — ..................... 46
6-21. Printed Wiring Board — SW POWER Section — ......... 47
6-22. Schematic Diagram — SW POWER Section — ........... 48
6-23. Printed Wiring Boards — BT, ANT Section — ............. 49
6-24. Schematic Diagram — BT, ANT Section — ................. 50
7.
EXPLODED VIEWS
7-1.
Overall Section ................................................................ 66
7-2.
Front Panel Section ......................................................... 67
7-3.
AMP Section ................................................................... 68
7-4.
MAIN Section ................................................................. 69
7-5.
CD Mechanism Deck Section-1
(CDM80BT-F4BD83S-WOD) ........................................ 70
(CDM80BT-F4BD83S-WOD) ........................................ 70
7-6.
CD Mechanism Deck Section-2
(CDM80BT-F4BD83S-WOD) ........................................ 71
(CDM80BT-F4BD83S-WOD) ........................................ 71
7-7.
CD Mechanism Deck Section-3
(CDM80BT-F4BD83S-WOD) ........................................ 72
(CDM80BT-F4BD83S-WOD) ........................................ 72
7-8.
Base Unit Section (BU-F4BD83S-WOD) ....................... 73
8.
ELECTRICAL PARTS LIST
.................................. 74
Ver. 1.1
4
HCD-U1BT
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.
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).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
or unsoldering.
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
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
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.
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.
•
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
The laser diode in the optical pick-up block may suffer electrostatic
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.
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 emission,
observe from more than 30 cm away from the objective lens.
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
SECTION 1
SERVICING NOTES
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.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
exceeding the limit for Class 1.
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
BLOCK OR BASE UNIT
ANTITHEFT LOCK MODE
This mode is used to unable to take sample disc out of disc table in
the shop.
Procedure:
the shop.
Procedure:
1. Press the
@/1
button to turn the power on.
2. Press the
CD
u
button to select “CD”.
3. Press two buttons of
x
CANCEL
and
Z
for 5 seconds.
4. The message “CD LOCKED” is displayed on the fluorescent
indicator tube and the disc slot is locked. (Even if pressing
the
the
Z
button, the message “CD LOCKED” is displayed on
the fluorescent indicator tube and the disc table is locked.)
5. To release from this mode, press two buttons of
x
CANCEL
and
Z
for 5 seconds.
6. The message “CD UNLOCKED” is displayed on the fluores-
cent indicator tube and the disc table is unlocked.
*
Replacement of USB board IC8 and BT board IC905
used in this set requires a special tool.
used in this set requires a special tool.
•
The voltage and waveform of CSP (chip size package) cannot
be measured, because its lead layout is different from that of
conventional IC.
be measured, because its lead layout is different from that of
conventional IC.
•
Lead layouts
Note on USB board replacement
New part of EEP ROM (IC6) on the USB board cannot be used. Therefore,
if the mounted USB board (X-2149-040-1) is replaced, exchange new
if the mounted USB board (X-2149-040-1) is replaced, exchange new
EEP ROM (IC6) with that used before the replacement.
surface
Lead layout of
conventional IC
conventional IC
CSP (chip size package)
MODEL IDENTIFICATION
– Rear Panel –
– Rear Panel –
• Abbreviation
CND
: Canadian model
KR
: Korean model
Parts No.
Model
Part No.
AEP, UK models
2-683-402-0
[]
US model
2-683-403-0
[]
CND model
2-687-180-0
[]
KR model
2-892-323-0
[]
Ver. 1.3
