Sanyo FXD-880RDS User manual

REFERENCENo. SM800075
SPECIFICATIONS
Specificationsaresubjecttochangewithout notice
PRODUCTCODENo.
147892 01
SERVICEMANUAL
FILENO.
FXD-880RDS
(GENERAL)
FMTUNERSECTION
Frequency Range.................................87.5MHz~108.0MHz
I.F. Rejection.........................................100dB
ImageRejection.....................................55dB
Selectivity...............................................65dB
Signal toNoiseRatio.............................60dB
StereoSeparation..................................30dB
UsableSensitivity...................................12dBf
MWTUNERSECTION
Frequency Range..................................522kHz~1,611kHz
I.F. Rejection..........................................85dB
ImageRejection.....................................60dB
Signal toNoiseRatio.............................50dB
UsableSensitivity(S/N20dB)................28dB
CDSECTION
Samplingfrequency...............................44.1kHz
D/Aconverter.........................................1-Bit Twin
LaserPickup..........................................Optical3-beam
semiconductorlaser
Frequency Response.............................20Hz~20kHz
DynamicRange.....................................90dB
Signal toNoiseRatio.............................85dB
ChannelSeparation(1kHz)....................75dB
Degital Filter...........................................8fs
ErrorCorrection.....................................CIRC
AUDIOSECTION
RMSPower Rating(10%THD)..............28Wx4(15.0V)
MaximumOutputPower........................50Wx4(15.5V)
LoadImpedance....................................4
GENERAL
Power Source ....................................... 14.4V(10.5~15.5V)
(DC NegativeGround)
OperatingCurrentMaximum..................10A
Dimensions............................................178x50x160mm
Weight....................................................1.4kg
FULLPANEL DETACHABLE
FMSTEREO/ MW RECEIVER
COMPACTDISCPLAYER
WITHCDCHANGERCONTROLLER

2
REAR VIEW
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LASERBEAMSAFETYPRECAUTIONS
(1)Notes fortransportandstorage
1)The pickupshouldalwaysbekept in itsconductive
baguntiluse.
2)The pickup shouldneverbesubjected toexternal
pressureorimpact.
(2)Repairnotes
1)The pickup incorporatesastrong magnet, andso
should neverbe broughtclosetomagnetic
materials.
Storagein conductivebagDrop impact
NGGOOD
Magnet
NG
2) Thepickup shouldalways behandledcorrectlyand
carefully,taking caretoavoidexternal pressure
andimpact.Ifitissubjected tostrong pressureor
impact, theresultmaybeanoperational
malfunctionand/ordamage totheprinted circuit
board.
3)Eachandeverypickupisalreadyindividually
adjustedtoahigh degreeof precision, and forthat
reason the adjustmentpointand installation
screwsshouldabsolutelyneverbetouched.
Pressure
Pressure
NG

3
LASERBEAMSAFETYPRECAUTIONS
LaserBeam
NEVERlookdirectlyatthe
laserbeam,and don'tlet
contactfingersofother
exposedskin.
NG
4)Laserbeammaydamage the eyes!
Absolutelyneverpermitlaserbeams toenterthe
eyes!
AlsoNEVERswitchONthepowertothelaser
outputpart(lens,etc.)ofthepickup if it isdamaged.
5)Cleaning thelenssurface
If thereisduston thelenssurface,the dustshould
becleanedawaybyusing an airbrush(suchas
one used forcameralens).The lensisheld bya
delicatespring.
6)Neverattempttodisassemble thepickup.
ConductiveSheet
BEFOREREPAIRINGTHECOMPACTDISC PLAYER
(1)Preparations
1)Compactdiscplayersincorporateagreatmany
ICsaswell asthe pickup (laserdiode).These
componentsaresensitiveto,and easilyaffectedby
staticelectricity.If suchstaticelectricityishigh
voltage, componentscanbedamaged, andforthat
reasoncomponentsshouldbehandledwithcare.
2)Thepickupiscomposedofmanyoptical
componentsandotherhigh-precisioncomponents.
Caremustbetaken,therefore,toavoidrepairof
storage wherethe temperatureorhumidityishigh,
wherestrong magnetismispresent,orwhere
thereisexcessivedust.
(2)Notes forrepair
1)Beforereplacingacomponent part, first disconnect
thepowersupplyleadwirefromtheunit.
2)All equipment,measuringinstrumentsandtools
must begrounded.
3)The workbenchshould be coveredwitha
conductivesheet andgrounded.
Whentaking the laserpickup outofitsconductive
bag,do notplacethe pickup onthe bag.(Thisis
becausethereisthe possibilityofdamageby
staticelectricity.)
4)Topreventelectriccurrentleakage,the metalpart
of the soldering ironshould be grounded.
5)Workersshould be grounded byan armband
(1M ).
6)Careshould betakennottopermitthe laserpickup
tocomein contactwithclothing,in ordertoprevent
staticelectricitychangesin the clothing from
escaping fromthe armband.
7)The laserbeamfromthe pickupshouldNEVERbe
directlyfacing the eyesorbareskin.
Armband
Conductive
Sheet
Resistor
(1M ) Resistor
(1M )

4
HOWTOHOLD THEPICK UP
NG
NG
NG
GOOD
!SERVICEKIT (PART No.644016 3657)
Servicekit includes;
qFFC
Pleaseconnect eachconnectorstothe pointof FFC
Main unit audio
SPECIALSERVICETOOL
CN331 (15P) CN803 (15P)
CDMechanism
FFC

BLOCK DIAGRAM
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ERROR CODELIST
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CDPlayer
If aproblemshouldoccurwhileoperatingthebuilt-inCD player,oneof thefollowingerrorsignsmaybe displayed:
CDChanger
Ifaproblemshouldoccurwhile operating the connected CDchanger,one of thefollowing errorsignsmaybedisplayed.
BLOCK DIAGRAM
CD
MECHANISM
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(CDSection)

7
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TROUBLESHOOTING
11
5Vatpin8of
CN803when
poweristurned
onand +Bis
applied?
Communication
error
Yes
Yes
Yes
Yes
Yes
Yes
Doespin6of
CN803have8V
simultaneously?
No
No
No
No
No
No
DoesX801
oscillateat 16.93MHz
whenpoweristurned
onand+Bis
applied?
CheckIC801.
CheckQ730 and Q731.
Open circuitinflatcable.
Check+B5Vofmainaudio
unitcircuit.
Poor contactofCN803.
Open circuitinflatcable.
Check8Vofmainaudiounit
circuit.
Poor contactofCN803.
Open circuitinflatcable.
Poor contactofCN803.
Open circuitinflatcable.
CheckR837,R707,
and Q704.
CheckX802.
CheckIC802.
CheckX801.
CheckIC802.
Doespin14of
CN803haveresetpulse
simultaneously?
Doespin12of
CN803have5V
simultaneously?
DoesX802
oscillateat4.5MHz?
Check IC802.

EXPLODED VIEW (CABINET)
12
40
32
29
30
MAINP.C.B.
SWITCH P.C.B.
LCD
CD MECHANISM
38
33
5
2
4
15
19
20
21
22 AUXP.C.B.
3
23
1
43
51
51
39
SC010
SC010
41
49
55
48
50
46
42
43
52
24
49
53
47
54
6
12
11
10
16
17
9
8
13
7
14 18
35
37
36
34
31
44
43
43

PARTSLIST (CABINET)
13
Ref. No.PARTNo.DESCRIPTIONQ'ty Ref. No.PARTNo.DESCRIPTIONQ'ty
216440160847REFLECTOR,LCD1
226440160830HOLDER,LCD1
236440163879SPACER1
246440163091ASSY,CHASSIS 1
296440161929ASSY,BASE ESCUTCHEON1
306440161912PANEL,TOP 1
316440162261HOOK,DETACH1
326440097433INSULATOR,MECHA1
336440162353HEATSINK,MAIN1
346440163312HOLDER,ARM,LOCK 1
356440163183ARM,LOCK 1
366440163176SPRING,TENS,HOOK 1
376440168188SPRING,COMP 1
386440098331BRACKET-E,TR1
396440160892BRACKET-E,IC1
406440104216HEATSINK,TR1
414110340902SCRFLT2.6X82
424110232801SCRS-TPGPAN2.6X61
434110253608SCRS-TPGBIN2X106
444110259204SCRS-TPGPAN2X62
464110285302SCRS-TPGPAN2.6X162
474110286200SCRS-TPGPAN2.6X62
484110261801SCRS-TPGPAN2.6X82
494110286200SCRS-TPGPAN2.6X63
504110286200SCRS-TPGPAN2.6X62
514110038809SCRPAN+SW2.6X62
554110286200SCRS-TPGPAN2.6X61
SC0104110286200SCRS-TPGPAN2.6X63
526440162476FFC,15P1
or6440164210FFC15P(FUJIKURA)1
536440168560INSULATOR,REAR1
546440168898INSULATOR,LEFT 1
NOTES:1.Partordersmustcontain Model Number,PartNumberand Description.
2.Orderingquantityofscrewsand resistorsmustbemultipleof10pcs.
ACCESSORIES
4111332302 SCRS-TPGPANPCS 2X6(SCREWM2X6) 1
4120512900 SPECIALSCREW(MountingScrewM5) 1
6440125228ASSY,CARRYINGCASE 1
6440088042 PANEL,FRONT(REMOVABLE RING) 1
6440011286 CAP,REAR(MOUNTINGGROMMET) 1
6440058113 LEVER,UNLOCK(UNLOCKLEVER) 2
6440034797CRADLE(MOUNTINGBRACKET)1
6440058014POLY COVER100X08001
6440164715INSTRUCTIONMANUAL1
6440162582WIRE,ASSY,16P-ISO1
CABINET&CHASSIS
16440164487ASSY,ESCUTCHEON,COMP1
26440163237ASSY,WINDOWLCD1
36440160717COVER,ESCUTCHEON1
46440161622ESCUTCHEON,BEZEL1
56440160816ESCUTCHEON,CD-SLOT1
66440160731BUTTONPRESET1
76440160748BUTTON,PWR1
86440161639BUTTON,BND/CD/DISP 1
96440161646BUTTON,BASX/ATP 1
106440160779BUTTON,TUNE/+/-1
116440160786BUTTON,CD-EJ1
126440160861BUTTON,SOUND1
136440161660BUTTON,TA/AF/PTY 1
146440162254BUTTON,RELEASE1
156440160854REFLECTOR1
166440163435SHEET1
176440163480SHEET1
186440162308SPRING,BUTTON,RELEASE 1
196440160908COVER,LCD1
206440160922FILTER,LCD 1

14
EXPLODED VIEW (CD MECHANISM)
72
50
51
48
36
62
68
57
55
56
31
30
91
323341
52
34
58
92
52
35
70
53
42
91
39
66
7
93
10
89
9
8
6
93
61
13
27
67
22
19
74
20
24
74
21
20
16
17
467
27
5
94
28
18
27
67
88
75
73
11
32
14
15
4
12
1
90
37 44 63
46
54
63
45
43
91
58
64
76
47
29
81
83
83
76
87
75
86
85
84
82
80
79
78
68
77
83
60
68
68
65
69
95
23
26
26
25
90
49
71
(Red)(Black)
(White) (Blue)
58
38
40
SC005
SC001
SC001
SC001

15
Ref. No.PARTNo.DESCRIPTIONQ'ty Ref. No.PARTNo.DESCRIPTIONQ'ty
486440157557FRAME,CLAMP1
496440157007CLAMP,DISC1
50 6440157748SPRING,PLATE,CLAMP 1
516440107064SPRING,TENSCLAMP 1
526440107071SPRING,TENSFRONT3
536440135623SPRING,TENSFRONTR1
546440107088SPRING,TENSMIDDLE 1
556440144038SHEET,CLAMP RATTLE 1
566440157564BRACKET-M,SPRING,SUB 1
576440157571SPRING,TENS,SUB 1
586440157779CAP,SHAFT 3
606440157595ASSY,PANEL,TOP1
or6440161103ASSY,PANEL,TOP1
614120568501SPECIALSCREW,M2X2.52
624120635609SPECIALSCREW1
634120606708SPECIALSCREW,M2X82
644120606708SPECIALSCREW,M2X81
654110259204SCRS-TPGPAN2X61
664120568709SPECIALSCREW,M2X42
674120635708SPECIALSCREW3
684120635609SPECIALSCREW4
694110258405SCRS-TPGPAN1.7X41
704120568600SPECIALSCREW,M2X31
714120483309SCRPANPCS1.7X2.22
724120568402SPECIALSCREW,M2X21
734120483309SCRPANPCS1.7X2.21
746440102519WASHER3.1X5.5X0.25 2
754120568303SPECIALSCREW,M1.7X45
766440141594WASHER,2.6X7.0X0.25 2
776440128403SHEET,PANEL-T1
786440107088SPRING,TENSMIDDLE 1
796440137887ASSY,PLATE TRIGGER1
or6440161110ASSY,PLATE TRIGGER1
806440137894ASSY,SLIDE DISCCHANGE1
or6440161127ASSY,SLIDE DISCCHANGE1
816440107040SPRING,TENSARMSTOPPER1
826440120483ARM,PLATE STOPPER1
836440142980FELT,6.0X0.53
846440120490PLATE,DISCSTOPPER-L1
856440107026SPRING,TORS DISCSTOPPER1
866440120506PLATE,DISCSTOPPER-R1
876440103578GUIDE,DISCUPPER1
886440128205SHEET,CLAMP1
896440102502WASHER1.5X4.0X0.41
904120607804SPECIALSCREW,M2X122
914120606807SPECIALSCREW,M2X103
924111732409SCRS-TPGPANPCS 1.7X31
934120635609SPECIALSCREW2
944120635609SPECIALSCREW1
956440160267SPRING,PLATESLED1
SC0014111261404SCRS-TPGBIN2X44
SC0054120581906SPECIALSCREW,B-M2X41
16440126935PCB,LOAD-A1
26440157632WIRE,LOADING(+)1
36440157649WIRE,LOADING(-)1
44110009403RINGE 22
56440158196ASSY,CHASSIS 1
or6440161042ASSY,CHASSIS 1
66440138075 ASSY,BRACKET-ELOADMOTOR 1
or6440161059 ASSY,BRACKET-ELOADMOTOR 1
76440109075ASSY,MOTORLOADING1
86440102557GEAR,LOAD21
96440120520GEAR,LOAD31
106440120537GEAR,LOAD41
116440137535ASSY,SLIDE LOCK LEFT1
or6440161066ASSY,SLIDE LOCK LEFT1
126440114703ROLLER,PINLOADING1
136440103639PLATE,LOADING1
146440107101SPRING,TENSPLATELOADING1
156440118992ARM,BASE LOCK LEFT1
166440137542ASSY,SLIDE LOCK RIGHT1
or6440161073ASSY,SLIDE LOCK RIGHT1
176440119005ARM,BASE LOCK RIGHT1
186440128427SPRING,TENSSLIDE LOCK 1
196440109587ASSY,SHAFT ROLLER1
206440141327ROLLER2
216440102496SPACER,ROLLERRIGHT1
226440120407SPACER,ROLLERLEFT1
236440157755ARM,ROLLER1
246440128991SHEET,ARMROLLER1
256440124429CAP,ARMROLLER2
266440107033SPRING,TENSARMROLLER2
276440158264DAMPER3
286440143192SPRING,PLATERATTLE 1
296440166252PICKUP,LASER3V1
306440157762FPC,CONTROL1
316440025252SWITCH,DETECTOR,SPPB121
326440159544WIRE,SLED(+)1
336440159551WIRE,SLED(-)1
346440137641ASSY,BASE DRIVE UNIT1
or6440161080ASSY,BASE DRIVE UNIT1
356440138082ASSY,PLATE DAMPER1
or6440161097ASSY,PLATE DAMPER1
366440157465ASSY,MOTORSPINDLE 1
376440157809MOUNT-E,MOTOR,SLED1
386440134893SPRING,PLATESCREW1
396440135197GEAR,MIDDLE A 1
406440135203GEAR,MIDDLE B 1
416440137672ASSY,MOTORSLED1
426440135180HOLDER,SUB SHAFT 1
436440135258SHAFT,PICK UP SUB 1
446440137658ASSY,RODSCREWSLED1
456440135173MOTOR,SLEDHOLDER1
466440135227GEAR,RACK SLED1
476440153849SHEET,WIRE 1
NOTES:1.Partordersmustcontain Model Number,PartNumberand Description.
2.Orderingquantityofscrewsand resistorsmustbemultipleof10pcs.
PARTSLIST (CD ÓÛÝØßÒ×ÍÓ÷

Reassemble inthe reverseorderof disassembly.
1. Howtoremove theCD SERVOP.C.B. ASSY
(1)RemovetheJW001, thesolderfromthe WIRE, LOADING(+)and WIRE, LOADING(-) .
Applysoldertoshort pad onFPCpickup asfig.1.
RemovetheFPCpickup fromthe connectoronthe CDSERVOP.C.B., then removethe FPC, CONTROL
fromthe connectoronthe CD SERVOP.C.B..
(2)RemovetheSCRS-TPGBIN2x4holdingthe CD SERVOP.C.B. ASSY.
RemovetheCDSERVOP.C.B. ASSY.
2. Howtoremove thePICKUP, LASER 3V
(1)RemovethespecialscrewB-M2x4.Removethe CD SENSOR1P.C.B. ASSY.
(Reassemblytightening torque:1.0±0.2kgf-cm)
(2)Removethe4special screwsholdingthe ASSY, PANEL,TOP.
(Reassemblytightening torque:2.5±0.3kgf-cm)
(3)Removethe2SPRING,TENSARMROLLER, and removethe ARM, ROLLER.
(4)Removethe3SPRING, TENSFRONT; theSPRING, TENSMIDDLE; the SPRING, TENSFRONT
R; andthe SPRING, TENSPLATELOADING.
(Whenreassembling, be surenot toinstallinthe wrongdirection.)
(5)Removethe3special screws.
(Reassemblytightening torque:2.5±0.3kgf-cm)
(6)Removethe 3DAMPER.
(7)Removethe SPRING, TENSCLAMPandSPRING, TENS, SUB.
(8)Removethe FRAME, CLAMPtogetherwiththeBRACKET-M, SPRING, SUB, theSPRING,PLATE,
CLAMPand theCLAMPDISC.
(9)Removethe 2specialscrews, M2X8. RemovetheMOTOR, SLEDHOLDER.
(Reassemblytightening torque:1.5±0.15kgf-cm)
(10)Removethe PICKUP,LASER3VtogetherwiththeASSY, RODSCREWSLED.
(11)Removethe SCR S-TPGPAN1.7X4.
(Reassemblytightening torque:1.3±0.13kgf-cm)
(12)Removethe ASSY, RODSCREW SLED, and removethePICKUP, LASER3V.
29
44
69
44
29
45
63
49
50
56
48
57
51
27
67
14
53
54
52
23
26
60
68
96
29
SC001
30
32
DISASSEMBLYINSTRUCTIONS (CD MECHANISM)
16
Fig.1
Applysoldertothispad toprevent
damage fromstaticelectricity.

DISASSEMBLYINSTRUCTIONS (CD MECHANISM)
17
3. Howtoremove theASSY, MOTOR SLED;SWITCH, DETECTOR, SPPB12;and ASSY,
MOTOR SPINDLE
(1)Removethesolderfromthe2locationsonthe ASSY, MOTORSPINDLE.
(2)Removethe3special screws,M2X10and the 2special screws, M2X12.
RemovetheASSY, MOTORSLEDtogetherwiththeMOUNT-E, MOTORSLEDand the
FPC, CONTROL
(Reassemblytightening torque,: 1.5±0.15kgf-cm)
(3)Removethe2special screws,M2x4,and removethe MOUNT-E,MOTORSLED.
(Reassemblytightening torque:1.5±0.15 kgf-cm)
(4)RemovethesolderfromtheFPC, CONTROLonthe ASSY, MOTORSLEDandthe SWITCH,
DETECTOR,SPPB12.
RemovetheASSY, MOTORSLEDand theSWITCH, DETECTOR, SPPB12.
(5)Removethe2special screws,M1.7x2.2, andremovetheASSY,MOTORSPINDLE.
(Reassemblytightening torque:1.3±0.13kgf-cm)
4. Howtoremove theASSY, MOTOR LOADING
(1)Removethespecialscrew, M1.7x2.2.
(Reassemblytightening torque:1.0+0.3, -0kgf-cm)
(2)RemovethePLATE, LOADING.
(3)RemovetheRINGE2.
(4)RemovetheARM, BASELOCKLEFT.
(5)RemovetheASSY,SLIDELOCKLEFT.
(6)RemovetheROLLER, PINLOADING.
(7)Removethetwospecial screws, andremovetheASSY, MOTORLOADING.
(Reassemblytightening torque:2.5±0.3kgf-cm)
(8)RemovetheGEAR, LOAD3; WASHER1.5x4.0x0.4; GEAR, LOAD4;
andGEAR, LOAD2.
(9)Removethetwospecial screws, M2x2.5.
(Reassemblytightening torque:1.5+0,-0.2kgf-cm)
(10)Removethe ASSY, BRACKET-ELOADMOTOR.
(11)Removethe solderfromthetwolocationsonthe ASSY, MOTORLOADING,
andremovethePCB, LOAD-Aand the WIRE, JUMPER, 58MM ,.
3
21
7
6
61
8
10
89
9
7
93
12
11
15
4
13
73
7
36
71
31
41
31
41
30
37
66
90
91
30
37
41
90
91
36
36
31
41

18
P.C.Board
MAIN P.C.B.
SWITCH P.C.B.
COMPONENTSIDE
The P.C.Boarddrawing illustrated below showsthe baseP.C.Boardthat iscommonlyused
invariousmodels.
Pleasechecktothe P.C.BoardPARTSLISTtosee whetherthepartsareactuallymounted
on the model!sP.C.Board.

19
MAIN P.C.B.
SWITCH P.C.B.
SOLDER SIDE
The P.C.Boarddrawing illustrated below showsthe baseP.C.Boardthat iscommonlyused
invariousmodels.
Pleasechecktothe P.C.BoardPARTSLISTtosee whetherthepartsareactuallymounted
on the model!sP.C.Board.
P.C.Board

20
P.C.Board
CD SERVOP.C.B.
CD SENSOR1P.C.B.
COMPONENTSIDESOLDER SIDE
The P.C.Boarddrawing illustrated below showsthe baseP.C.Boardthat iscommonlyused
invariousmodels.
Pleasechecktothe P.C.BoardPARTSLISTtosee whetherthepartsareactuallymounted
on the model!sP.C.Board.