Daewoo MC-5920SC User manual

Contents

MC-5920SC MODEL

SERVICE MANUAL

Product Specifications

Product Spec

Block Diagram

Alignment Procedure

Wiring Diagram

PCB Layouts

Circuit Schematic

Exploded View

Voltage Chart

Part List

>CD/CDR/CDRW/CDMP3/WMA Player

* PACKING :

> PACKED BY POLYBAG

>USB/SD Player

> 4 COLOUR GIFT BOX WITH

POLYFOAM 4pcs/CTN (TBC)

>PLL FM radio

> ENGLISH INSTRUCTION BOOK

>Alarm Clock function

* DIMENSION : (PRELIMINARY)

>Electronics CD door open / close

> UNIT : 215.9mm x 124.5mm (H) x 43.2 mm(w/o footstand)

x 68.6mm (w/ footstand)

>LCD display

>5 x Blue color LED for lighting effect (on/off)

>Aux in jack for any MP3 player

>Slim type switching power supply

>2W + 2W max power output

>Full function remote control

Product Specifications

* Product Features:

.onelpmaS10VlareneG-----)UC(.cepStcudorP

Model no:MC-5920SC

*HQHUDO&RQGLWRQ

5HI23 P:/RDGLQJ RKP6XSSO\ 9'&9$&+]

amroNtinUdohtemgnitseTnoitpircseDmetI

Limit 1# 2# 3# 4# 5#

SSAPSSAPSSAPSSAPSSAPSSAP%03-/01+yrettaBroF,%01-/+V032CAeporuEroFegatlovgnitarepo1

052<Autnerrucyrett

abkcehC,tupniCD/CAON,fforewoP)ybdnats(tnerrucybdnatS2   17 16 16

3 Clock accuracy sec/d +/-2 0.8 0.8 0.7 0.7 0.6

04-0CgedegnarerutarepmetnoitarepOegnareruta

repmeT4

5 Remote distance M>7

9999

6 SUBWOOFER OUT @784, 100HZ, 0dB / @FM Mod 75K , 100hZ Subwoofer loading @47K

mVrms >40     

.onelpmaS10VDC-----)UC(.cepStcudorP

Model no:MC-5920SC

*HQHUDO&RQGLWRQ

5HI23 P:/RDGLQJ RKP6XSSO\ 9'&9$&+]

amroNtinUdohtemgnitseTnoitpircseDmetI

Limit 1# 2# 3# 4# 5#

006>ANmuflah.lov-8,7krtA444@hctarcS1 1000 1000 1000 1000 1000

006>ANmuflah.lov41krtA444@stodkcalb2 800 800 800 800 800

57ANmuflah.lov-91,81krtA4

44@stnirpregnif3 75 75 75 75 75

tenibaChctacSoNflahlov,137-DCT@noitaivedlacitrev4 pass pass pass pass pass

ssapllaflahlov,217-DCT@yticirtnecc

e5 pass pass pass pass pass

218cesflahlov,487@COT6 10 10 11 11 10

218ces1-22krt,22-1krt,flahlov,487@emitsseccA7 910 9 8 8

5.1<ces2-1krt,flahlov,487@e

mitsseccAtrohS8 11111

15.0%retlifssapwolhtiw,fer=lov,zhk12krt,487@noitrotsid9 0.75  0.8 0.8 0.8

0454Bdfer=lov,zhk1,03krt,c

siDdradnatS@noitarepesR/L01 43 48 44 46 48

5405Bdfer=lov,zhk1,1krtcsiDdradnatS@oitarN/S11 54 56 56 57 56

12 Min Vol Hum AC input / Adaptor , @784 tk7, Min vol, use Adaptor mV NA <8 0.85  0.7 0.75 0.8

<35.0Bdfer=lov,zhk1,

1krtcsiDdradnatS@ecnalablennahc31 0000

/////ferferBdfer=lov,zhk1,73krtcsiDdradnatS@esnopserycneuqerf41

/+0Bdzh001,63krtcsiDdradnatS@)talfQE( 0+0.5 0 +2 +2

3-/+0Bdzhk01,83krtcsiDdradnatS@ -2.5 -2.5 -2.5 0 0

2>ANWxamlov,zhk12krt,487@tupt

uorewopxaM51 2.89 2.72 2.72 2.89 2.89

CDRW

ssapllaFLAHLOV,51dna1KRTW280WDCT@noitcelferhgihWR61 pass pass pass pass pass

MP3

023-23023-23023-23023-23023-23023-

23spbKcsidtset3pMdradnatS@etartib3PM71

ssapssapssapssapssapSSAPspbKcsidtset3PMRBVdnatS@etartibRBV3PM81

023-23023-23023-23023-23023-23023-23spbKcsidtsetAMWdradnatS@etartibAMW91

.onelpmaS10VMF-oidaR----)UC(.cepStcudorP

Model no:MC-5920SC

*HQHUDO&RQGLWRQ)0'HY.K]02' .K]/730K]0730K]+73073

5HI23 P:/RDGLQJ RKP6XSSO\ 9'&9$&+]

amroNtinUdohtemgnitseTnoitpircseDmetI l Limit 1# 2# 3# 4# 5#

1 Frequency range Low Mhz 87.5 +/-0.5 87.5 87.5 87.5 87.5 87.5

High Mhz 108 +/-0.5 108 108 108 108 108

2 Frequency step Khz 50Khz 00 000

3 30dB s/n u@MTP, vol@ref , #sig-O&F@MTP>s/n@max dbuv 20 26 9/9/8 8/8/9 8/8/8 10/10/10 8/9/10

4 Dial Calibration All points on Dial printing Mhz +/-0.7 00000

5 -3dB Freq. Response sig-F@MTP 60dBuV, Preamp 75us(USA),vol=ref, ^sig- AF=A >o/p v 3 dB, v sig-AF=B>Ohz 100 200 65  72 67 63

Frequency response = A and B hz 12k 8k 16k 13 13k 15k 15k

6 min. volume Hum AC supply / Adaptor, u@MTP , sig@MTP , 60dBuv mv NA < 8 0.75 0.6 0.55 0.6 0.6

7 S/N ratio (Mono) u@MTP, vol@ref, sig@MTP 60dBuv db 43 37 42  46 40 42

8 distortion@ 22.5Kc u@MTP , sig-F@MTP 1mV, #vol=ref,#distortion meter=1khz>THD=min. %1 2 0.65  0.7 0.7 0.64

9 Stereo THD With A weighted filter, u@MTP, sig@MTP, 60dBuV % NA 6< 0.65  0.7 0.95 0.85

10 Max output Power u@MTP , sig-F@MTP 60dBuv, 1khz, ^ dev, vol=max>O/P=A, power =AxA/speaker ohm W NA >2 2.25  2.56 2.89 2.72

11 Auto search accuracy Full frequency range, sig-O@25dBuV and 60dBuV step +/-1 0

12 Auto search sens sig@LTP , mod 22.5k , auto search from lower OR upper side ,Repeat test for HTP ,MTP dbuv 24 30 18/18/18 18/18/18 17/18/18 17/18/19 17/18/18

13 Stereo seperation With A weighted filter, sig@MTP, 60dBuV dB 28 20 34 35 34 37 37

14 Stereo indicatior sense u@MTP, sig-F@MTP, ^sig-O=A> Stereo indicator light ON dBuv 24 30 14 13 15 14 21

Result

.onelpmaS10VMA-oidaR----)UC(.cepStcudorP

Model no:MC-5920SC

*HQHUDO&RQGLWRQ$002' .K]/73NK]073NK]+73NK]

5HI23 P:/RDGLQJ RKP6XSSO\ 9'&9$&+] Result

amroNtinUdohtemgnitseTnoitpircseDmetI l Limit 1# 2# 3# 4# 5#

1 Frequency range Sig-O@80dbuv/m Vol@ref khz 522 +/-5 522 522 522 522 522

khz 1620 +/-5 1620 1620 1620 1620 1620

2 Max. sens u@LTP , vol@max , ^sig-O> O/P=ref dB/M 54 60 58 59 56 57 56

3 20dB s/n u@LTP , vol@ref , #sig-F@LTP>s/n@max,=> ^sig-O=A > O/P = 20db s/n dB/M 62 68 57/58/56 58/56/57 60/59/56 59/58/58 58/57/55

4 Dial Calibration check all points on dial scale Khz +/-40 +/-80 00000

5 Distortion u@MTP , sig@MTP ,94dB/M, #vol>o/p=ref % 1 2 1.1 1.1 1.1 1 1.2

6 Max. O/P power u@MTP, sig@MTP, Mod ^, 94dB/M, ^vol=max W NA >2 2.89 2.89 2.89 3.06 2.89

7 AGC u@MTP, sig@MTP, mod 30%,94dB/M, vol = ref, v sig-O= x > O/P v =ref - 10dB , AGC = db 45 40 55 57 56 57 54

8 Frequency response u@MTP ,sig@MTP,94dB/M, vol =ref O/P, ^sig-AF =A> O/P v 3dB, v sig-F=B> O/P v 3dBhz 100 200 74 68 72 71 79

High Khz 2 1.8 1.9 2.0 2 2 2

9 Min. Vol Hum AC I/P / Adaptor , u@MTP, sig@MTP,100dB/M, Vol=0 mV NA <8 0.65 0.65 0.55 0.9 0.65

 S/N u@MTp, sig@MTP, 94dB/M, Vol=ref O/P dB 35 30 42  43 42 42

11 Auto search accuracy Full frequency range, sig-O@74dB/M and 94dB/M step +/-1 0 0 

12 Auto search sens sig@LTP , auto search from lower OR upper side ,Repeat test for HTP ,MTP dB/M 68 76 56/58/59 60/60/61 60/59/61 61/59/62 61/58/60

.onelpmaS10V1oiduA-----)UC(.cepStcudorP

Model no:MC-5920SC

*HQHUDO&RQGLWRQ

5HI23 P:/RDGLQJ RKP6XSSO\ 9'&9$&+]

amroNtinUdohtemgnitseTnoitpircseDmetI

Limit 1# 2# 3# 4# 5#

LINE IN

8<Vm0=loV,tupniCAtAmuH1 0.65 0.6 0.55 0.6 0.6

5304Bdzhk1,smrVm003NIENILnoitarepeslennahC2 39 42 41 39 41

3 -3dB frequency response LINE IN 300mVrms, set 1khz =0dB, vol=ref

Low End Hz 100 150 60  58 48 44

High End Hz 16K 15K 32k 33k 34k 37k 38k

2<1%fer=loV,zhk1,smr

Vm003NIENILnoitrotsiD4 0.56  0.6 0.55 0.52

<3ANBdfer=lov,zhk1,Vm003NIENILecnalablennahc5 0.5  0.4 0 0

2>ANWxam=loV,zhk1,smrVm006NI

ENILrewoptuptuOxaM6     

Earphone Output

003054VMxamloV,zhk1K57=domMF/2krT,487@rewoptuptuO7 400 390 380 400 400

<25.0Bdfer=lov,zhk1K57domMF

/zhk1,2KRT,487@ecnalablennahc8 0000

9 Hum At AC input / Adaptor , @784 , TRK2, Pause, Vol=max / @Fm 1khz tone mVrms NA <1 0.2  0.1 0.15 0.18

USB/SD

8<ANVm0=loV,tupniCAtAmuH01 0.82 0.7 0.65 0.7 0.7

5304Bdzhk1,Bd0LnoitarepeslennahC11 41 43 42 48 50

12 -3dB frequency response set 1khz =0dB, vol=ref

100Hz dB +/-3 +1 +0.5 -1 1.5 2

10KHz dB +/-3 0 -2.5 -2.5 0 0

2<1%fer=loV,krtbdozhk1noitrotsiD31 0.55  0.75 0.75 0.72

2>ANWxam=loVbdozhk1rewoptuptuOxaM41     

<3ANBdfer=lov,zhk1,B

d0ecnalablennahc51 0000

Block Diagram

Wiring Diagram

Main PCB (Top Layer)

PCB Layouts

Table of contents

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