Read Sharp XL-DV50 (serv.man2) Service Manual online
SERVICE MANUAL
XL-DV50H
No. S6439XLDV50H/
DVD MICRO SYSTEM
XL-DV50H
MODEL
SHARP CORPORATION
CONTENTS
CHAPTER 1. GENERAL DESCRIPTION
[1] SAFETY PRECAUTION FOR SERVICE
[1] SAFETY PRECAUTION FOR SERVICE
MANUAL ........................................................ 1-1
[2] IMPORTANT SERVICE NOTES (FOR U.K.
ONLY) ............................................................ 1-1
[3] SPECIFICATIONS ......................................... 1-2
[4] NAMES
[4] NAMES
OF
PARTS........................................ 1-4
CHAPTER 2. ADJUSTMENTS
[1] ADJUSTMENT ............................................... 2-1
[2] TEST
[1] ADJUSTMENT ............................................... 2-1
[2] TEST
MODE .................................................. 2-2
CHAPTER 3. MECHANICAL DESCRIPTION
[1] REMOVING AND REINSTALLING THE
[1] REMOVING AND REINSTALLING THE
MAIN PARTS ................................................. 3-1
[2] DISASSEMBLY .............................................. 3-2
CHAPTER 4. DIAGRAMS
[1] BLOCK
[1] BLOCK
DIAGRAM ......................................... 4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1] VOLTAGE....................................................... 5-1
[1] VOLTAGE....................................................... 5-1
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1] NOTES ON SCHEMATIC DIAGRAM ............6-1
[2] TYPES OF TRANSISTOR AND LED ............6-1
[3] WIRING SIDE OF PWB/SCHEMATIC DIA-
LAYOUT
[1] NOTES ON SCHEMATIC DIAGRAM ............6-1
[2] TYPES OF TRANSISTOR AND LED ............6-1
[3] WIRING SIDE OF PWB/SCHEMATIC DIA-
GRAM............................................................6-2
CHAPTER 7. FLOWCHART
[1] TROUBLESHOOTING ..................................7-1
[1] TROUBLESHOOTING ..................................7-1
CHAPTER 8. OTHERS
[1] FUNCTION TABLE OF IC .............................8-1
[2] FL
[1] FUNCTION TABLE OF IC .............................8-1
[2] FL
DISPLAY ..................................................8-4
Parts Guide
•
In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified be used.
condition and only parts identical to those specified be used.
XL-DV50H DVD Micro System consisting of XL-DV50H (main
unit), CP-DV50HF (front speakers) and CP-DV50HSW(sub-
woofer).
unit), CP-DV50HF (front speakers) and CP-DV50HSW(sub-
woofer).
•
Note for users in U.K.
Recording and playback of any material may require consent which
SHARP is unable to give. Please refer particularly to the provisions of
Copyright Act 1956, the Dramatic and Musical Performers Protection
Act 1956, the Performers Protection Acts 1963 and 1972 and to any
subsequent statutory enactments and orders.
Recording and playback of any material may require consent which
SHARP is unable to give. Please refer particularly to the provisions of
Copyright Act 1956, the Dramatic and Musical Performers Protection
Act 1956, the Performers Protection Acts 1963 and 1972 and to any
subsequent statutory enactments and orders.
(Except for U.K.) (Except for U.K.)
XL-DV50H
1 – 1
Audio
XL-DV50H
Service Manual
XLDV50H
Market
E
CHAPTER 1.
GENERAL DESCRIPTION
[1] SAFETY PRECAUTION FOR SERVICE MANUAL
Precaution to be taken when replacing and servicing the Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements. However, the follow-
ing precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.
ing precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.
1) When the cabinet has been removed, the power is turned on without a compact disc, and the Pickup is on a position outer than the lead-in posi-
tion, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
2) The Laser Power Output of the Pickup inside the unit and replacement service parts have already been adjusted prior to shipping.
3) No adjustment to the Laser Power should be attempted when replacing or servicing the Pickup.
4) Under no circumstances look directly into the Pickup Lens at any time.
5) CAUTION - Use of controls or adjustments, or performance of procedures other than those specified herein may result in hazardous radiation
exposure.
[2] IMPORTANT SERVICE NOTES (FOR U.K.
ONLY)
ONLY)
Before returning the unit to the customer after completion of a repair or
adjustment it is necessary for the following withstand voltage test to be
applied to ensure the unit is safe for the customer to use.
adjustment it is necessary for the following withstand voltage test to be
applied to ensure the unit is safe for the customer to use.
Setting of Withstanding Voltage Tester and set.
Laser Diode Properties
Material: GaAIAs
Wavelength: 785 nm/650 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
Wavelength: 785 nm/650 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA KUIN TÄSSÄ
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA
ALTISTAA KÄYTTÄJÄN TURVALLISUUSLUOKAN 1
YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN
I DENNA BRUKSANVISNING SPECIFICERAS. KAN
ANVÄNDAREN UTSÄTTAS FÖR OSYNLIG LASER-
STRÅLNING, SOM ÖVERSKRIDER GRÄNSEN FÖR
LASERKLASS 1.
ADVERSEL-SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING.
SE IKKE IND I STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
SE IKKE IND I STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NÄKYVÄLLE JA NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ
OPTISEN LAITTEEN LÄPI.
VARNING-SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA
DEL ÄR ÖPPNAD. STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ
STRÅLEN GENOM OPTISKT INSTRUMENT.
LASERSÄTEILYLLE ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ
OPTISEN LAITTEEN LÄPI.
VARNING-SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA
DEL ÄR ÖPPNAD. STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ
STRÅLEN GENOM OPTISKT INSTRUMENT.
Set name
set value
Withstanding Voltage Tester
Test voltage
Test voltage
4,240 VPEAK
3,000 VRMS
3,000 VRMS
Set time
6 secs
Set current (Cutoff current)
4 mA
Unit
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
PROBE
AC
OUT
UNIT
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF CHASSIS
SCREW
WITHSTANDING
VOLTAGE TESTER
XL-DV50H
1 – 2
[3] SPECIFICATIONS
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
TO THE OPERATION MANUAL.
Except for U.K.
General
Amplifier
Power source
AC 230 V, 50 Hz
Power consumption
Power on: 98 W
Power stand-by: 0.6 W
Dimensions
Width: 160 mm (6-5/16")
Height: 240 mm (9-7/16")
Depth: 300 mm (11-13/16")
Height: 240 mm (9-7/16")
Depth: 300 mm (11-13/16")
Weight
6.0 kg (13.2 lbs.)
Output power
Front speakers:
PMPO: 180 W
MPO: 90 W (45 W + 45 W) (DIN 45 324)
RMS: 60 W (30 W + 30 W) (DIN 45 324)
RMS: 45 W (22.5 W + 22.5 W) (DIN 45 500)
Subwoofer:
PMPO: 120 W
MPO: 60 W (DIN 45 324)
RMS: 40 W (DIN 45 324)
RMS: 30 W (DIN 45 500)
■■
DVD player
Tuner
Front speaker
Subwoofer
Audio output
terminals
terminals
Front speakers and subwoofer: 6 ohms
Headphones: 16 - 50 ohms
(recommended: 32 ohms)
(recommended: 32 ohms)
Optical digital output: Square type
1
Audio input
terminals
terminals
Video/Auxiliary (audio signal):
500 mV/47 k ohms
500 mV/47 k ohms
Video output
terminals
terminals
SCART output: SCART terminal
1
Video output: RCA type
1
S-video output: S-terminal
1
Type
5-disc multi-play compact disc player
Signal readout
PAL/NTSC colour
Supported disc
types
types
DVD (region number 2, ALL), video CD,
audio CD, CD-R, CD-RW
audio CD, CD-R, CD-RW
Video signal
Horizontal resolution: 500 lines
S/N ratio: 75 dB
Audio signal
Frequency
characteris-
tics
characteris-
tics
Linear PCM DVD:
30 Hz to 20 kHz
(sampling rate: 48 kHz)
30 Hz to 20 kHz
(sampling rate: 48 kHz)
30 Hz to 20 kHz
(sampling rate: 96 kHz)
(sampling rate: 96 kHz)
CD: 30 Hz to 20 kHz
S/N ratio
CD: 95 dB (1 kHz)
Dynamic
range
range
Linear PCM DVD: 92 dB
CD: 92 dB
Total har-
monic distor-
tion ratio
monic distor-
tion ratio
0.14 %
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Type
2-way type speaker system
(magnetic shield)
(magnetic shield)
4 cm (1.5") tweeter
10 cm (4") woofer
Maximum input
power
power
60 W
Rated input power
30 W
Impedance
6 ohms
Dimensions
Width: 165 mm (6-1/2")
Height: 240 mm (9-7/16")
Depth: 265 mm (10-7/16")
Height: 240 mm (9-7/16")
Depth: 265 mm (10-7/16")
Weight
2.5 kg (5.5 lbs.)/each
Type
15 cm (6") subwoofer system
(magnetic shield)
(magnetic shield)
Maximum input
power
power
80 W
Rated input power
40 W
Impedance
6 ohms
Dimensions
Width: 160 mm (6-5/16")
Height: 240 mm (9-7/16")
Depth: 270 mm (10-5/8")
Height: 240 mm (9-7/16")
Depth: 270 mm (10-5/8")
Weight
2.9 kg (6.4 lbs.)/each
■■
■
■
XL-DV50H
1 – 3
For U.K.
■ General
■ Amplifier
Power source
AC 230 - 240 V, 50 Hz
Power consumption
Power on: 98 W
Power stand-by: 0.6 W
Dimensions
Width: 160 mm (6-5/16")
Height: 240 mm (9-7/16")
Depth: 300 mm (11-13/16")
Height: 240 mm (9-7/16")
Depth: 300 mm (11-13/16")
Weight
6.0 kg (13.2 lbs.)
Output power
Front speakers:
RMS: 60 W (30 W + 30 W) (10 % T.H.D.)
RMS: 45 W (22.5 W + 22.5 W)
(0.9 % T.H.D.)
(0.9 % T.H.D.)
Subwoofer:
RMS: 40 W (10 % T.H.D.)
RMS: 30 W (0.9 % T.H.D.)
■ DVD player
■ Tuner
■ Front speaker
■ Subwoofer
Audio output
terminals
terminals
Front speakers and subwoofer: 6 ohms
Headphones: 16 - 50 ohms
(recommended: 32 ohms)
(recommended: 32 ohms)
Optical digital output: Square type
1
Audio input
terminals
terminals
Video/Auxiliary (audio signal):
500 mV/47 k ohms
500 mV/47 k ohms
Video output
terminals
terminals
SCART output: SCART terminal
1
Video output: RCA type
1
S-video output: S-terminal
1
Type
5-disc multi-play compact disc player
Signal readout
PAL/NTSC colour
Supported disc
types
types
DVD (region number 2, ALL), video CD,
audio CD, CD-R, CD-RW
audio CD, CD-R, CD-RW
Video signal
Horizontal resolution: 500 lines
S/N ratio: 75 dB
Audio signal
Frequency
characteris-
tics
characteris-
tics
Linear PCM DVD: 30 Hz to
20 kHz (sampling rate: 48
kHz)
20 kHz (sampling rate: 48
kHz)
30 Hz to 20 kHz (sampling
rate: 96 kHz)
rate: 96 kHz)
CD: 30 Hz to 20 kHz
S/N ratio
CD: 95 dB (1 kHz)
Dynamic
range
range
Linear PCM DVD: 92 dB
CD: 92 dB
Total har-
monic distor-
tion ratio
monic distor-
tion ratio
0.14 %
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Type
2-way type speaker system
(magnetic shield)
(magnetic shield)
4 cm (1.5") tweeter
10 cm (4") woofer
Maximum input
power
power
60 W
Rated input power
30 W
Impedance
6 ohms
Dimensions
Width: 165 mm (6-1/2")
Height: 240 mm (9-7/16")
Depth: 265 mm (10-7/16")
Height: 240 mm (9-7/16")
Depth: 265 mm (10-7/16")
Weight
2.5 kg (5.5 lbs.)/each
Type
15 cm (6") subwoofer system
(magnetic shield)
(magnetic shield)
Maximum input
power
power
80 W
Rated input power
40 W
Impedance
6 ohms
Dimensions
Width: 160 mm (6-5/16")
Height: 240 mm (9-7/16")
Depth: 270 mm (10-5/8")
Height: 240 mm (9-7/16")
Depth: 270 mm (10-5/8")
Weight
2.9 kg (6.4 lbs.)/each
Specifications for this model are subject to change without prior notice.
