Sony HCD-N455K / LBT-N455K Service Manual ▷ View online
— 1 —
MICROFILM
COMPACT DISC DECK RECEIVER
Model Name Using Similar Mechanism
NEW
CD Mechanism type
CDM37-5BD19
Base Unit Type
BU-5BD19
Optical Pick-up type
KSS-213BA/S-N
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
TCM-220WR2E
TAPE
DECK
SECTION
SPECIFICATIONS
AM tuner section
Tuning range
Saudi Arabia, Tourist models:
Saudi Arabia, Tourist models:
MW:
531 - 1,602 kHz
(with the MW tuning
interval set at 9 kHz)
(with the MW tuning
interval set at 9 kHz)
SW:
5.95 - 17.90 MHz
Other models:
AM:
531 - 1,602 kHz
(with the AM tuning
interval set at 9 kHz)
530 - 1,710 kHz
(with the AM tuning
interval set at 10 kHz)
(with the AM tuning
interval set at 9 kHz)
530 - 1,710 kHz
(with the AM tuning
interval set at 10 kHz)
Aerial
AM loop aerial
External aerial
terminals
External aerial
terminals
Intermediate frequency
450 kHz
CD player section
System
Compact disc and
digital audio system
digital audio system
Laser
Semiconductor laser
(
(
λ
= 780 nm)
Emission duration:
continuous
continuous
laser output
Max 44.6
µ
W*
* 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.
lens surface on the Optical Pick-up Block
with 7 mm aperture.
wavelength
780 - 790 nm
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
87.5 - 108.0 MHz
(50 kHz step)
(50 kHz step)
Aerial
FM wire aerial
Aerial terminals
75 ohm unbalanced
Intermediate frequency
10.7 MHz
CD
SECTION
– Continued on next page –
HCD-N455K
E Model
Tourist Model
SERVICE MANUAL
HCD-N455K is the tuner, deck, CD
and amplifier section in LBT-N455K.
and amplifier section in LBT-N455K.
— 2 —
Tape player section
Recording system
4-track 2 - channel stereo
Frequency response
40 - 13,000 Hz (
±
3 dB), using
SONY TYPE I cassette
40 - 14,000 Hz (
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)
Amplifier section
Peak music power output:
1,200 W (6
Ω
at 1 kHz, 10%
THD)
Continuous RMS power output:
(40 W + 40 W) x 2 (6
Ω
at
1 kHz, 10% THD)
Inputs
PHONO (phono jack):
PHONO (phono jack):
Sensitivity 3 mV, impedance
47 kilohms
47 kilohms
VIDEO (AUDIO) (phono jack):
Sensitivity 250 mV, impedance
47 kilohms
47 kilohms
MIC (phone jack):
Sensitivity 1 mV, impedance
10 kilohms
10 kilohms
Outputs
PHONES (phone jack):
PHONES (phone jack):
accept headphones of 8 ohms or more
FRONT SPEAKER: accept impedance of 6 to 16 ohms
SURROUND SPEAKER:
SURROUND SPEAKER:
Malaysia, Singapore models:
accept impedance of 16 ohms
Other models:
accept impedance of 8 to 16 ohms
accept impedance of 16 ohms
Other models:
accept impedance of 8 to 16 ohms
SUPER WOOFER:
accept impedance of 6 to 16 ohms
General
Power requirements
Malaysia model:
220 - 240 V AC, 50/60 Hz
Other models:
110 - 120 V or 220-240 V AC
adjustable, 50/60 Hz
adjustable, 50/60 Hz
Power consumption
185 W
Dimensions
Approx. 355 x 425 x 400 mm
(14 x 16 3/4 x15 3/4 inches) (w/h/d)
incl. projecting parts and controls
(14 x 16 3/4 x15 3/4 inches) (w/h/d)
incl. projecting parts and controls
Mass
Approx. 11.8 kg (26 lb)
Design and specifications subject to change without notice.
MODEL IDENTIFICATION
– BACK PANEL –
Note:
The difference between SP2 and SP4 is the back panel only.
The difference between SP2 and SP4 is the back panel only.
Parts No.
MODEL
Tourist model
E, Indonesian model
Saudi Arabia model
Singapore model (SP2)
Singapore model (SP4)
Malaysia model
PARTS No.
4-978-191-9
π
4-978-192-5
π
4-978-192-6
π
4-978-192-7
π
4-978-192-8
π
4-978-192-9
π
— 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.
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.
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.
CAUTION
Use of controls or adjustments or performance of
procedures other than those specified herein may result in
hazardous radiation exposure.
procedures other than those specified herein may result in
hazardous radiation exposure.
This caution label
is located inside
the unit.
is located inside
the unit.
SERVICING NOTE
NOTES ON HANDING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
OR BASE UNIT
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.
[FL Display Tube, LED All Lit and Key Check mode]
When the TUNER/BAND , DISPLAY/DEMO , and FILE 2 but-
tons are pressed simultaneously, the FL display tube and LEDs will
all light up. Press any button to enter the key check mode.
When the key check mode is entered, the FL display tube displays
“K 1 J0 V0”. Each time a button is pressed, the counter increases in
the following order, K 2
tons are pressed simultaneously, the FL display tube and LEDs will
all light up. Press any button to enter the key check mode.
When the key check mode is entered, the FL display tube displays
“K 1 J0 V0”. Each time a button is pressed, the counter increases in
the following order, K 2
n K 3 n K 4.
If buttons already pressed once are pressed again, the counter will
not increase. When the VOLUME knob is rotated in the + direction,
the count increases in the following order.
V1
not increase. When the VOLUME knob is rotated in the + direction,
the count increases in the following order.
V1
n V2 n V3.
When rotated in the – direction, it decreases in the following order.
V0
V0
n V9 n V8.
When the AMS dial is rotated in the clockwise direction, the count
increases in the following order.
J1
increases in the following order.
J1
n J2 n J3.
When rotated in the counterclockwise direction, it decreases in the
following order.
J0
following order.
J0
n J9 n J8.
To exit form the test mode, press the TUNER/BAND , DISPLAY/
DEMO , FILE 2 buttons simultaneously again.
DEMO , FILE 2 buttons simultaneously again.
[Switching the channel step 9 KHz/10 KHz]
Press ENTER/NEXT button and POWER button simultaneously
to switch the AM channel step 9 kHz and 10 kHz. Be sure not to
change with carelessness.
to switch the AM channel step 9 kHz and 10 kHz. Be sure not to
change with carelessness.
— 4 —
TABLE OF CONTEMTS
• Abbreviation
EA : Saudi Arabia model.
SP
SP
: Singapore model.
MY : Malaysia model.
JE
JE
: Tourist model.
IA
: Indonesian model.
Section
Title
Page
SECTION 1. GENERAL
...................................................... 5
SECTION 2. DISASSEMBLY
2-1. Front Panel Assembly and Main Board ................................. 7
2-2. TC Mechanism Deck ............................................................. 7
2-3. CD Mechanism Deck ............................................................. 8
2-4. BU Bracket Assembly ............................................................ 8
2-5. Disc Table .............................................................................. 8
2-2. TC Mechanism Deck ............................................................. 7
2-3. CD Mechanism Deck ............................................................. 8
2-4. BU Bracket Assembly ............................................................ 8
2-5. Disc Table .............................................................................. 8
SECTION 3. MECHANICAL ADJUSTMENTS
............ 9
SECTION 4. ELECTRICAL ADJUSTMENTS
DECK Section ............................................................................... 9
TUNER Section ........................................................................... 12
CD Section ................................................................................... 14
TUNER Section ........................................................................... 12
CD Section ................................................................................... 14
SECTION 5. DIAGRAMS
5-1. Circuit Boards Location ...................................................... 16
5-2. IC Pin Functions
5-2. IC Pin Functions
• IC501 Graphic Control (ASD0204) .................................. 17
• IC701 Master Control (TMP87CS64YF) .......................... 18
• IC701 Master Control (TMP87CS64YF) .......................... 18
5-3. Block Diagrams
• Tuner Section (E, SP, IA, MY Model) ............................... 21
• Tuner Section (EA, JE Model) .......................................... 23
• Deck Section ...................................................................... 25
• CD Section ......................................................................... 27
• Main Section ...................................................................... 29
• Tuner Section (EA, JE Model) .......................................... 23
• Deck Section ...................................................................... 25
• CD Section ......................................................................... 27
• Main Section ...................................................................... 29
5-4. Printed Wiring Board — CD Section — .............................. 31
5-5. Schematic Diagram — CD Section — ................................ 33
5-6. Schematic Diagram — CD Motor Section — ..................... 36
5-7. Printed Wiring Board — CD Motor Section — ................... 37
5-8. Schematic Diagram — Tuner Section —
5-5. Schematic Diagram — CD Section — ................................ 33
5-6. Schematic Diagram — CD Motor Section — ..................... 36
5-7. Printed Wiring Board — CD Motor Section — ................... 37
5-8. Schematic Diagram — Tuner Section —
(E, SP, IA, MY Model) ........................................................ 40
5-9. Printed Wiring Board — Tuner Section —
(E, SP, IA, MY Model) ........................................................ 42
5-10 Schematic Diagram — Tuner Section —
(EA, JE Model) .................................................................. 44
5-11. Printed Wiring Board — Tuner Section —
(EA, JE Model) .................................................................. 46
5-12. Schematic Diagram — CD Panel Section — .................... 47
5-13. Printed Wiring Board — CD Panel Section — ................. 48
5-14. Printed Wiring Board — Main Section — ........................ 53
5-15. Schematic Diagram — Main Section — ........................... 55
5-16. Schematic Diagram — Deck Section — ........................... 59
5-17. Printed Wiring Board — Deck Section — ........................ 63
5-18. Printed Wiring Board — Power Section — ...................... 66
5-19. Schematic Diagram — Power Section — ......................... 69
5-20. Schematic Diagram — Panel Section — ........................... 73
5-21. Schematic Diagram — Panel Section — ........................... 77
5-22. Schematic Diagram — Keycon Section — ....................... 81
5-23. Printed Wiring Board — Keycon Section — .................... 83
5-24. IC Block Diagrams — CD Section — .............................. 84
5-13. Printed Wiring Board — CD Panel Section — ................. 48
5-14. Printed Wiring Board — Main Section — ........................ 53
5-15. Schematic Diagram — Main Section — ........................... 55
5-16. Schematic Diagram — Deck Section — ........................... 59
5-17. Printed Wiring Board — Deck Section — ........................ 63
5-18. Printed Wiring Board — Power Section — ...................... 66
5-19. Schematic Diagram — Power Section — ......................... 69
5-20. Schematic Diagram — Panel Section — ........................... 73
5-21. Schematic Diagram — Panel Section — ........................... 77
5-22. Schematic Diagram — Keycon Section — ....................... 81
5-23. Printed Wiring Board — Keycon Section — .................... 83
5-24. IC Block Diagrams — CD Section — .............................. 84
Section
Title
Page
SECTION 6. EXPLODED VIEWS
6-1. Cabinet and Back Panel Section .......................................... 86
6-2. Panel Board Section ............................................................. 87
6-3. Front Panel Section .............................................................. 88
6-4. Chassis Section .................................................................... 89
6-5. TC Mechanism Section 1 (TCM-220WR2E) ...................... 90
6-6. TC Mechanism Section 2 (TCM-220WR2E) ...................... 91
6-7. TC Mechanism Section 3 (TCM-220WR2E) ...................... 92
6-8. CD Mechanism Section (CDM37-5BD19) .......................... 93
6-9. Base Unit Section (BU-5BD19) ........................................... 94
6-2. Panel Board Section ............................................................. 87
6-3. Front Panel Section .............................................................. 88
6-4. Chassis Section .................................................................... 89
6-5. TC Mechanism Section 1 (TCM-220WR2E) ...................... 90
6-6. TC Mechanism Section 2 (TCM-220WR2E) ...................... 91
6-7. TC Mechanism Section 3 (TCM-220WR2E) ...................... 92
6-8. CD Mechanism Section (CDM37-5BD19) .......................... 93
6-9. Base Unit Section (BU-5BD19) ........................................... 94
SECTION 7. ELECTRICAL PARTS LIST
................... 95
