Sharp cd e 700 h service manual
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Page 1
CD-E700H
SHARP SERVICE MANUAL
N0. $231SCDE700H/
MINI COMPONENT SYSTEM
MODEL CD-E700H
CD-E700H Mini Component System consisting of CD-E700H
(main unit) and CP-E700H (speaker system).
cuMFAcr
@R'D' cgfifiw/ 335% - In the interests of user-safety the set should be restored to its
5'5"- more original condition and only parts identical to those specified be
used.
SAVING ENER Y
/- CONTENTS %
SAFETY PRECAUTION FOR SERVICE MANUAL.
SPECIFICATIONS
NAMES OF PARTS t.
DlSASSEMBLY .........
REMOVING AND REINSTALLING THE MAIN PARTSt.
ADJUSTMENT
NOTES ON SCH
TYPES OF TRANSISTOR AND LED.
BLOCK DIAGRAM .............................
SCHEMATIC DIAGRAM /W|R|NG SIDE OF P.W.BOARD
VOLTAGE ...................................
WAVEFORMS OF CD CIRCUIT.
TROUBLESHOOTING .....
FUNCTION TABLE OF IC
REPLACEMENT PARTS LlST/EXPLODED VIEW
This document has been published to be used
SHARP CORPORATION for after sales service only.
The contents are subject to change without notice.
Page 2
CD-E700H
SAFETY PRECAUTION FOR SERVICE MANUAL
Precauticn 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 following 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 cuter than
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
(2) The Laser Power Output ofthe Pickup inside the unit and replacement service parts have already been adjusted priorto 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.
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous N
Laser Output: max. 0.6 mW
CAu'llllllrllllIlSlllLE LASER RAnIATIUII WNEN nPEN.
nu IIrIT STARE INTII lEAlll IIR NIEw DIRECTLY wl'lll
«PTIcAL INSTRUMENTS.
WARNuIILI-UIISICNTBARE LASERSTRANLIIIIG WENII GERAT
GEflFfllET. NILNT IN IIIE STRANLUIIG SENANEII llllEli
nINENT IIIT liPTISEllEll NILrsIIIITTELN RETRAENTEN.
ATTEllTll'lll'llAVllll LASER INVISIBLE EN us IInUIIENTLINE.
NE PAS REGANIIER LE FAIEBEAN anEETEMENT LIN AvEc nEs
INSTRUMENTS nPTIDUES.
ADVERSELrSYNLlG OG USYNLIG LASERSTRALING VED ABNING.
SE IKKE IND | STRALENVHELLER IKKE MED OPTISKE INSTRUMENTER.
VAFlO! AVAI'I'AESSA O__LEI ALI'I'IINA NAKWALLE JA_NAK\(MATFOMALLE
LASERSATEILYLLE ALA TUIJOTA SATEESEEN ALAKA KATSO SITA
OPTISEN LAITTEEN LAPI.
VARNINGVVSYNLIG OCH OSYNLIG LASEBSTRALNING MAR DENNA
DEL AR OPPNAD. STIRRA EJ IN | STRALEN OCH BETRAKTA EJ
STRALEN GENOM OPTISKT INSTRUMENT.
vgnon'us: LAII'I'EEN KAYTrAMINEN MUULLA KUlN Tlissii
KAYTTOOHJEESSA_MAINITULLA TAVALLA SAATTAA
ALTISJ'AA KAYHTTAJAN IUBVALLISUUS'LUOKAN 1
YLITTAVALLE NAKYMATTOMALLE LASERSATEILVLLE.
VARNING - 0M APPARATEN ANvANps PA ANNAT sliTr AM
I DENNA BRUKSANylSNING SPECIFICERAS. KAN
ANVANDAREN UTS'ATTAS FOR OSYNLIG LASER-
STRALNING, $0M OVERSKRIDER GRANSEN FOR
LASERKLASS 1.
Page 2
CD-E700H
SAFETY PRECAUTION FOR SERVICE MANUAL
Precauticn 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 following 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 cuter than
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
(2) The Laser Power Output ofthe Pickup inside the unit and replacement service parts have already been adjusted priorto 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.
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous N
Laser Output: max. 0.6 mW
CAu'llllllrllllIlSlllLE LASER RAnIATIUII WNEN nPEN.
nu IIrIT STARE INTII lEAlll IIR NIEw DIRECTLY wl'lll
«PTIcAL INSTRUMENTS.
WARNuIILI-UIISICNTBARE LASERSTRANLIIIIG WENII GERAT
GEflFfllET. NILNT IN IIIE STRANLUIIG SENANEII llllEli
nINENT IIIT liPTISEllEll NILrsIIIITTELN RETRAENTEN.
ATTEllTll'lll'llAVllll LASER INVISIBLE EN us IInUIIENTLINE.
NE PAS REGANIIER LE FAIEBEAN anEETEMENT LIN AvEc nEs
INSTRUMENTS nPTIDUES.
ADVERSELrSYNLlG OG USYNLIG LASERSTRALING VED ABNING.
SE IKKE IND | STRALENVHELLER IKKE MED OPTISKE INSTRUMENTER.
VAFlO! AVAI'I'AESSA O__LEI ALI'I'IINA NAKWALLE JA_NAK\(MATFOMALLE
LASERSATEILYLLE ALA TUIJOTA SATEESEEN ALAKA KATSO SITA
OPTISEN LAITTEEN LAPI.
VARNINGVVSYNLIG OCH OSYNLIG LASEBSTRALNING MAR DENNA
DEL AR OPPNAD. STIRRA EJ IN | STRALEN OCH BETRAKTA EJ
STRALEN GENOM OPTISKT INSTRUMENT.
vgnon'us: LAII'I'EEN KAYTrAMINEN MUULLA KUlN Tlissii
KAYTTOOHJEESSA_MAINITULLA TAVALLA SAATTAA
ALTISJ'AA KAYHTTAJAN IUBVALLISUUS'LUOKAN 1
YLITTAVALLE NAKYMATTOMALLE LASERSATEILVLLE.
VARNING - 0M APPARATEN ANvANps PA ANNAT sliTr AM
I DENNA BRUKSANylSNING SPECIFICERAS. KAN
ANVANDAREN UTS'ATTAS FOR OSYNLIG LASER-
STRALNING, $0M OVERSKRIDER GRANSEN FOR
LASERKLASS 1.
Page 2
CD-E700H
SAFETY PRECAUTION FOR SERVICE MANUAL
Precauticn 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 following 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 cuter than
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
(2) The Laser Power Output ofthe Pickup inside the unit and replacement service parts have already been adjusted priorto 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.
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous N
Laser Output: max. 0.6 mW
CAu'llllllrllllIlSlllLE LASER RAnIATIUII WNEN nPEN.
nu IIrIT STARE INTII lEAlll IIR NIEw DIRECTLY wl'lll
«PTIcAL INSTRUMENTS.
WARNuIILI-UIISICNTBARE LASERSTRANLIIIIG WENII GERAT
GEflFfllET. NILNT IN IIIE STRANLUIIG SENANEII llllEli
nINENT IIIT liPTISEllEll NILrsIIIITTELN RETRAENTEN.
ATTEllTll'lll'llAVllll LASER INVISIBLE EN us IInUIIENTLINE.
NE PAS REGANIIER LE FAIEBEAN anEETEMENT LIN AvEc nEs
INSTRUMENTS nPTIDUES.
ADVERSELrSYNLlG OG USYNLIG LASERSTRALING VED ABNING.
SE IKKE IND | STRALENVHELLER IKKE MED OPTISKE INSTRUMENTER.
VAFlO! AVAI'I'AESSA O__LEI ALI'I'IINA NAKWALLE JA_NAK\(MATFOMALLE
LASERSATEILYLLE ALA TUIJOTA SATEESEEN ALAKA KATSO SITA
OPTISEN LAITTEEN LAPI.
VARNINGVVSYNLIG OCH OSYNLIG LASEBSTRALNING MAR DENNA
DEL AR OPPNAD. STIRRA EJ IN | STRALEN OCH BETRAKTA EJ
STRALEN GENOM OPTISKT INSTRUMENT.
vgnon'us: LAII'I'EEN KAYTrAMINEN MUULLA KUlN Tlissii
KAYTTOOHJEESSA_MAINITULLA TAVALLA SAATTAA
ALTISJ'AA KAYHTTAJAN IUBVALLISUUS'LUOKAN 1
YLITTAVALLE NAKYMATTOMALLE LASERSATEILVLLE.
VARNING - 0M APPARATEN ANvANps PA ANNAT sliTr AM
I DENNA BRUKSANylSNING SPECIFICERAS. KAN
ANVANDAREN UTS'ATTAS FOR OSYNLIG LASER-
STRALNING, $0M OVERSKRIDER GRANSEN FOR
LASERKLASS 1.