Roadstar CDR-4611 UDMP Service Manual

Service Manual

- CDR-4611 UDMP

Service Manual

- CDR-4611 UDMP

R

CDR-4611 UDMP

SERVICE MANUAL

CONTENTS

1. SPECIFICATIONS

2. CD TEST

3. BLOCK DIAGRAM

4. SAFETY CHECK

5. CD PLAYER CHECKING PROCEDURE

6. TROUBLE SHOOTING

7. SCHEMATIC DIAGRAM

8. PCB LAYOUT

9. EXPLODE VIEW

10. BILL OF MATERIAL

SPECIFICATIONS

Power source : AC 230V
Load impedance : 4 ohm
Reference output : 50 mW

BAND: AM 1 kHz 30% MOD.

Characteristic Unit Nominal Limit

Frequency
Range

Low
High

kHz
kHz

525
1645

±25

±30
Intermediate Frequency kHz 455 ± 2
20 dB S/N
Sensitivity

1000 kHz
600 kHz
1400 kHz

dB/M
dB/M
dB/M

61
60
61

65

66

65
S/N at 5 mV/m Input

600 kHz
1000 kHz
1400 kHz

dB
dB
dB

45
45
45

40

40

40
Selectivity ± 10 kHz dB 35 ± 20

BAND: FM 1 kHz 22.5 kHz DEV.

Characteristic Unit Nominal Limit

Frequency
Range

Low
High

MHz
MHz

87.5

108.5

±0.5

±0.5
Intermediate Frequency

MHz 10.7 ± 0.1
30 dB S/N
Sensitivity

90 MHz
98 MHz
106 MHz

dB/M

dB/M

dB/M

18
18
18

23
23

23
S/N at 1MV
Input 22.5 kHz
Deviation

90 MHz
98 MHz
106 MHz

dB
dB
dB

45
45
45

40

40

40

CD

Item Unit Nominal Limit

Frequency Response 100 Hz dB -3 ±3

20kHz dB -3 ±3
S/N W/IEC-A & LPF. dB 50 40
Interruption µm 1000 600
Black Dot µm 800 600
Eccentricity µm

70

Channel Separation (W/Band Pass Filter) dB 35 30

BLOCK DIAGRAM

ANT

IC1
AM/FM
TA2111

FUNCTIONS

TRANSITION

POWER AMP

IC7

TA8227

SPEAKER

L/R

CD SERVO

CD MECH

KEY

LCD

SAFETY CHECKS

Important Note!!! Do the following safety checks after servicing this unit.

1. Remove all the externally connected test equipment and wires before testing the unit.

2. Use the safety test circuit as shown below.

3. Plug the power cord or unit to be tested into the test receptacle.

4. Switch the unit being tested to ON or PLAY.

5. Connect external jack/terminal contact VTVM across a 1k resistor in the test circuit. Set the meter to

a high (150V AC) scale to avoid meter damage and then touch the points with the test probe.

If the meter reading indicates less than 3 volts on all test points, set the meter to a low (3V AC) scale

and repeat the test.

6. Any reading greater than 0.2 volt indicates a potential shock hazard. If this occurs, determine the
cause of the leakage, correct the problem, and repeat the safety test.

CD PLAYER CHECKING PROCEDURES

A. WAVE E/F BALANCE ADJUSTMENT

1) Test Point : VC, TS10.

2) Test Disc : Sony Test CD Type 3.

3) Test Equipment :
Scope : DC 0.2 V 0.5 ms.

4) Test Mode : Play Sony CD, Type 3, Track 1, Press FF.
(Fast Forward), Adjust VR401 Until A=B (as Figure Bellow).

SCOPE : DC POSITION

A
B

Figure A

B. FOCUS-BIAS ADJUSTMENT

1) Test Point : VC RFO.

2) Test Disc : Sony Test CD, Type 3.

3) Test Equipment :
Scope : DC 0.5 V 0.5 μs.

SCOPE : AC POSITION

TROUBLESHOOTING

Circuit Symptom Cause and Remedy

General No sound

• Speakers are not connected:
Check the speaker connection.

• Wrong function is selected:
Set switch to the proper position.

• Defective volume control:
Set the volume control to a proper sound level.

• Defective earphone jack:
Replace the earphone jack.

• Mute function is active:

Release it by remote control.

AM No sound, weak sound

(Low sensitivity)

• Improper location of unit:
Rotate or reposition the unit.

• Defect AM antenna coil or oscilloscope coil:
Replace if necessary.

• Intermediate Frequency tuning faulty:
Readjust (see “Alignment and Adjustment”).

• RF tracking faulty:
Readjust (see “Alignment and Adjustment”).

• Defective TA2111
Check voltages. Replace if necessary.

• Poor contact in antenna circuit:

Check resistance and resolder.

FM No sound, weak sound

(Low sensitivity)

• FM antenna not connected:

Connect the built-in or external antenna.

• Defective band selector switch:

Replace or repair the switch.

• Defective TA2111:

Check voltages. Replace if necessary.

• Intermediate Frequency tuning faulty:

Readjust (see “Alignment and Adjustment”).

• Poor contact in FM antenna circuit:

Resoled or repair as required.

CD Cannot read the table of

contents,
no display,
no sound.

• Disc is inserted upside down:

Insert disc correctly.

• Disc is dirty:

Wipe clean with a soft cloth.

• Disc is scratched:

Use a new disc.

• Disc is seriously warped:

Use a new disc.

• A non-standard disc has been inserted:

Use only a brand name disc.

• Moisture has formed inside the CD Pick-up Head:

Wait about 20 to 30 minutes.

• Defect in the servo control board:

Replace or repair as required.

• Defect in the pickup mechanism:

Replace as required.

6

5

17

36

35

33

4

3

31

1

28

7

27

9

32

34

42

19

13

18

11

38

39

23

24

40

26

16

15

10

8

21

41

14

2

27

30

22

12

25

43

1 16 31

17 32

18 33

19 34

20 35

21 36

22 37

23 38

24 39

25 40

26 41

27 42

28 43

29

30

2

3

4

5

6

7

8

9

10

11

12

13

14

15

1 1 4

1 7

1 2

1 1

1 2

1 6

1 2

1 1

1 1

1 1

4 1

114

4 1

4

1

1

1

1

1

1

1

1

1

1

6

1

1

1

1

Front Cabinet AC Socket Shelf 2.6 x 6 P/A Screw

LCD Lens Ring 3 x 8 P/A Screw

Speaker Clips (Kit) 2.6 x 4 K/A Screw

Battery Terminal (Kit) 2.6 x 6 P/A Screw

CD Door Spring 2 x 5 PWA Screw

Speaker Grill (Kit) 1.4 x 2.5 PWA Screw

PVC Brass Shaft Speaker

FM Antenna CD Mechanism

Dial Rope Spring Anti-Shock Rubber

3 x 5 P/M Screw AC Transformer

3 x 10 PWA Screw AC Socket

3 x 10 P/A Screw USB Fixing Shelf

2 x 6 P/A Screw USB Board

3 x 12 P/A Screw

2 x 8 P/A

Back Cabinet

CD Door

LCD Plate

LCD Lens

CD Door Lens

Volume Knob

PVC Knob

Function Knob

PVC Dial Knob

CD Buttons

Antenna Bar Bracket

Dust-Proof Shelf

Mid-Cabinet

Battery Door

EXPLODE VIEW

Description : Am/Fm Radio with CD/MP3 Player

with USB interface

Index Part Name Description Unit Qty. Remarks

1 PCB

2

3

4 Elect Cap (SMD) 102 pcs 4 C324 C326 C342 C348

5 103 pcs 7 C49 C51 C52 C315 C319 C321 C352

7 153 pcs 1 C314

8 203 pcs 6 C11 C14 C24 C30 C32 C44

9 222 pcs 1 C347

10 272 pcs 1 C318

11 333 pcs 2 C309 C310

12 472 pcs 1 C306

13 473 pcs 6 C304 C305 C308 C334 C335 C337

14 20P pcs 6 C16 C17 C38 C361 C363 C39

15 3P pcs 1 C311

16 470 pcs 2 C338 C339

17 47P pcs 1 C379

18 500 pcs 2 C249 C250

19 56P pcs 2 C323 C380

20 5P pcs 3 C20 C21 C42

21 100P pcs 2 C22 C329

22 15P pcs 3 C28 C332 C333

23 10P pcs 4 C367 C368 C23 C26

24 30P pcs 4 C25 C33 C34 C36

25 Elect Cap (SMD) 150P pcs 1 C35

26 300P pcs 1 C43

27 502 pcs 2 C48C50

28 Ceramic Cap 203P pcs 5 C2 C 3C4 C5 CA2

29 2P pcs 1 C41A (NPO elect cap)

31 Resistor (SMD 0603)

0R（0603）

pcs 7 C29 C31R J3R J6R J8R J20R J24

32 100K pcs 6 R11 R12 R22 R31 R36 R334

C12 C15 C19 C37 C45 C46 C47 C206
C207 C238 C247 C252 C301 C302 C303
C307 C312 C316 C317 C325 C328 C330
C331 C336 C340 C341 C343 C344 C345
C346 C349 C350 C351 C353 C355 C356
C357 C358 C359 C360 C362 C364 C365

C366 C369

pcs 456 104

Bill of Material

RJ1 RJ2 RJ4 RJ5 RJ7 RJ9 RJ10 RJ11

RJ12 RJ13 RJ14 RJ15 RJ16 RJ17 RJ18

RJ19 RJ21RJ22 RJ23 RJ25RJ27 RJ26

RJ28 RJ29 RJ30 RJ31 RJ32 RJ33 RJ34

RJ35 RJ36

31pcs0R(1206)Resistor (SMD 1206)30

Index Part Name Description Unit Qty. Remarks

34 120R pcs 2 R203R208

35 150R pcs 4 R14 R24 R229 R230

36 18K pcs 2 R28 R29

37 15K pcs 4 R5 R315 R386 R387

38 12K pcs 2 R27 R30

39 180K pcs 4 R302 R303 R304 R305

41 1.5K pcs 2 R9 R39

42 1MR pcs 2 R320 R379

43 10R pcs 4 R308 R336 R337 R41

44 220R pcs 4 R16 R313 R356 R25

45 22K pcs 6 R20 R221 R222 R311 R340 R344

46 270R pcs 1 R261

47 27R pcs 4 R384 R385 R211 R215

48 2K pcs 1 R8

49 2.2K pcs 2 R10 R312

50 2.7K pcs 1 R3

51 2M2 pcs 1 R358

52 33K pcs 5 R204 R207 R310 R330 R332

53 Resistor (SMD 0603) 39K pcs 1 R421

54 3.9K pcs 1 R4

55 3.3R pcs 2 R201 R202

56 43K pcs 1 R7

57 470R pcs 1 R32

58 470K pcs 1 R319

59 47K pcs 2 R317 R346

60 4.7K pcs 7 R26 R234 R328 R333 R377 R382 R383

61 56K pcs 4 R223 R224 R225 R226

62 56R pcs 3 R35 R33 R42

63 5.1K pcs 2 R329 R331

64 5.6K pcs 5 R2 R40 R205 R318 R339

65 680R pcs 2 R13R357

66 68K pcs 2 R15R381

67 6.8K pcs 7 R6 R17 R345 R348 R350 R376 R380

68 82K pcs 2 R301 R306

69 8.2K pcs 4 R18 R19 R227 R228

71 Resistor 100R 1/4W pcs 1 R366

72 2.2R 1/4W pcs 1 R1

73 39K 1/16W pcs 1 RA1

74 Elect Cap 1000UF/16V pcs 2 C208C251

75 1UF pcs 7 C214 C221 C223 C226 C228 C233 E326

76 2200UF/25 V pcs 1 C205

9

R232 R248 R309 R316 R326 R327 R335

R359 R375

40 1K pcs

R231 R38 R347 R361 R353 R354 R37

R378 R343 R342 R341 R338 R323 R352

R21 R314 R322 R347

18pcs10K

33 15pcs100R

70

R360 R370 R373 R368 R369 R374 R371
R349 R372 R364 R365 R362 R363 R351

R307

Index Part Name Description Unit Qty. Remarks

78 22UF pcs 1 E309

79 3.3UF pcs 2 E305E307

80 470UF pcs 3 C209C210E301

82 Elect Cap 4.7UF pcs 4 C6 C8 C9 E308

83 0.47UF pcs 1 C7

85 10UF pcs 3 C241 E325 E324

86 Transistor 772 pcs 2 Q201 Q204

87 882 pcs 1 Q209

88 9014 pcs 6 Q5 Q202 Q205 Q210 Q211 Q306

89 9015 pcs 1 Q305

90 9018F pcs 4 Q1 Q2 Q3 Q4

91 Earphone Jack 3507202 pcs 1 JK1

92 Inductor 10UH pcs 2 L304 L305

93 10UH-1A pcs 1 L310

94 15UH pcs 5 LP1 LP2 LP3 L7 L8

95 2.2UH pcs 1 L308

96 PVC 2 band pcs 1 PVC1 (TT)

97 Crystal 14.318M pcs 1 X302

98

16.93M (2 contacts）

pcs 1 X301

99 32.768KHZ pcs 1 X1

100 Ceramic Filter 10.7M (3 contacts) pcs 1 CF1

101 Ceramic Filter 455K pcs 1 CF2

102 10.7M(2 contacts) pcs 1 CF3

103 Zener Diode 3V 0.5W pcs 1 ZD1

104 3.9V 0.5W pcs 1 ZD303

105 4.7V 0.5W pcs 1 ZD301

106 9.1V 0.5W pcs 1 ZD204

107 Volume 50KB(CD-729) pcs 1 VR1

108 Ferrite Bead 9*5*3 pcs 3 L301L302L303

110 Coil 4.5*4T5*0.8 pcs 1 L2

111 4.5*3T5*0.8 pcs 1 L5

112 4.5*2T5*0.7 pcs 1 L6

113 19.5T FM pcs 1 LA1

114 Diode IN4001 pcs 4 D1 D2 D3 D4

116 Mylar Cap 224M pcs 2 C211 C217

117 Green LED 3 MM pcs 1 LED-D3

118 IC MM1571F-1.5V pcs 1 IC305

115

D5 D6 D7 D8 D9 D10 D205 D206 D207

D208 D301 DA1

12pcs

8

SW6 SW7 SW5 SW3 SW8 SW4 SW24

SW205

IN4148Diode

77 220UF pcs 11

C1 C234 C235 C236 C239 C242 C245

E315 E328 E338 E339

C213 C220 C246 E304 E306 E310 E312
E314 E317 E319 E320 E321 E322 E323

84 100UF pcs 11

C216 C212 C13 C218 C219 E313 E316

E311 C237 E327 C10

81 47UF

109 Touch Switch 5*5*6

14pcs

pcs

Index Part Name Description Unit Qty. Remarks

119 OTI006888-G pcs 1 IC309

120 RT9701CB pcs 1 IC311

121 B1117-3.3V pcs 1 IC203

122 B1117-5.0V pcs 1 IC205

123 S30011 pcs 1 IC301

124 TA2111N pcs 1 IC4

125 TA2157FN pcs 1 IC302

126 TA8227 pcs 1 IC202

127 TC94A34FG-002 pcs 1 IC304

128 TC94A58FAG-552 pcs 1 IC303

129 W27C512 pcs 1 IC308

130 SC3610 pcs 1 IC2

131 LCD display HD43604-01 pcs 1 LCD1

132 USB connector 222USB pcs 1 USB1

133 I.F.T. Red pcs 1 T1

134 Yellow pcs 1 T2

135 Speakers 2.5" 4Ω 3W (big magnet) pcs 2

136 CD mechanism SANYO DA11 pcs 1

137 Anti-shock rubber 40 degree (Green) pcs 4 CD mechanism

138 AC transformer Vertical EI-41 9V pcs 1 900MA current

139 AC Socket with switch pcs 1

140 110/220 voltage selector SS12J01 pcs 1

141 Band Switch (4-bands)

SK44D04GB（728）

pcs 1 SW1

142 AM antenna 115:10(3+1) wire 120 pcs 1 10mm dia

143 Dial string pcs 1 Dial

144 CD door switch Single side 04 switch pcs 1

145 Eyelet pcs 3 SP*3

146 Rubber tube 3.5 dia. X 25 pcs 3 AC voltage selector

147 Metal washer

14 dia. x 3 dia. x 1（mm）

pcs 4 CD mechanism

148 Metal Parts Speaker clips (CD729) kit 1 1 kit = 4 pcs.

149 Metal Parts FM antenna solder plate pcs 1 FM rod antenna (CD729)

150 TA8227 Heat reducing bracket pcs 1 CD729

151 Battery terminal (729) kit 1 one kit

152 CD door spring (729) pcs 1

153 Speaker grill (729) kit 1 1 kit = 2 pcs. (left & right)

154 PVC copper post (with nut) pcs 1 3018 tuning knob 19mm long

155 FM rod antenna pcs 1 102 (125mm)

156 Dial spring (2.0 dia. X 12) pcs 1 PVC dial knob

157 882 Heat reducing bracket pcs 1 U shape vertical

158 Ferrite Bar 10 mm dia x 60 mm pcs 1

USB BOARD

159 Inductor 1UH pcs 4 L309 L311 L306 L307

160 Screws 3*5 PM pcs 1 Antenna

161 3*10 PWA pcs 2 AC transformer

163 2*8 PA pcs 4 key board

CD mechanism x 4, speakers x 4, Mid-

Cab x 4, AC socket x 2, handle x 2

3*10 PA pcs 16162

Index Part Name Description Unit Qty. Remarks

164 3*12 PA pcs 4 Back cabinet

165 2*8 PA pcs 1 CD door switch

166 2.3*6 PA pcs 4 Display board

167 3*8 PA pcs 5 PCB board

168 2.6*4 KM pcs 2 Fixing PVC

169 2.6*6 PM pcs 1 PVC shaft

170 2.6*8 PA pcs 2 AC converter

171 2*5 PWA pcs 2 LCD decorating lens

172 1.4*2.5 PWB pcs 6 CD door decorating lens

173 2.0*8 KA pcs 4 Fixing USB board

174 3*5 PM pcs 1 882 Heating reducing bracket

191 Battery wire UL1007#22 300mm pcs 1 AC socket to main board (red)

black G2 & G3 connecting wire

Battery (-) plate to main board power IC

(black)

CD mechanism to main board (FFC)

pcs 1

pcs 1

green

Door switch to main board

Left & right key board (double side

shielded)

UL1007#22 160mmBattery (-) wire192

1

2

UL1007322 130mm double side

shielded

190 pcs

pcs

189

2651 7P x 300mm, pin dist 2.0, double

side reverse with curve pin

pcs

188

2651 7P x 110mm, pin dist 2.0,

double side reverse with curve pin

pcs

187

2651 12P x 250mm, pin dist 2.0,

double side with curve pin

pcs

pcs 1 Display board to main board

Power IC wire 3P x 80mm

Main board shield wire (double side

shielded)

1pcs

184

186 FFC CD mechanism wire

185

175

22P x 85mm, pin dist 1.0, single side

insert, single shielded with vertical pin

UL1007 22# FM antenna solder wire

300mm

Wire

CD pin wire 16P x 300mm with vertical

pin, pin dist. 1.0

1

1

UL 1007#22 speaker left wire 250mm

+ 250mm

pcs

UL 1007#26 CD door switch 2P single

side x 80mm, vertical pin, pin dist 2.0

pcs

177

Grey pin (key board) 2P x 250mm,

double shielded, pin dist 2.0

pcs

176

CD mechanism motor wire 6P x 85mm

with curve pin, pin dist 2.0 double side

reverse type

UL 1007#22 speaker right wire 480mm pcs

2

178 Wire

Grey pin 2P single side x 80mm with

vertical pin, pin dist. 2.0

pcs

pcs179

180

182

181

UL 1007#22 speaker right wire 340mm pcs

183

UL1015 22# 110/220 selector switch

wire 250mm

pcs

Double side reverse with curve pin

1 CD mechanism to main board (extra soft)

1 white

1 black

1 Kwy board and main board

Red, black each 1 pc.

1

1 Double side with curve pin

1 Double side reverse with curve pin

1

Index Part Name Description Unit Qty. Remarks

195 16 dia x 7 mm pcs 2 Stand (with adhesive)

196 16 dia x 8 mm pcs 2 Front stand (with adhesive)

197 10 x 10 x 10 pcs 1 AM antenna (with adhesive)

200 Plastic Parts Front cabinet pcs 1

201 Back cabinet pcs 1

202 CD door pcs 1

203 Display board fix cabinet pcs 1

204 Display window decoration lens pcs 1

205 CD door window decoration lens pcs 1

206 Dial knob pcs 1

207 PVC knob pcs 1

208 Function switch pcs 1

209 PVC string knob pcs 1

210 CD buttons (1 kit 2 pcs) kit 1 (left and right)

211 Antenna bar holder pcs 2

212 Anti-dust cover pcs 1 For Sanyo mechanism

213 Mid-Cabinet pcs 1

214 Battery Door pcs 1

215 AC cover pcs 1

216 Display lens ring pcs 1

217 USB board plastic pcs 2

218 Packing Rating label pcs 1

219 CD warning label pcs 1

220 Transformer label pcs 1

221 Date code label pcs 1

222 Polyfoam pcs 1

223 Gift box pcs 1

224 Polybag pcs 1

225 AC power cord pcs 1

226 Export Carton pcs 1

227 Instruction manual/ahesive tape pcs 1

18 x 25 x 1 mm pcs

199 1 LCD PCB board (with adhesive)

Sponge

pcsUL1007# 22 80mm

194

Sponge198

193 AC socket battery wire

pcs10 x 5 x 5 mm

25 x 10 x 1 mm pcs

with adhesive (CD mechanism plastic

bracket)

1

CD door plastic post (no adhesive)1

1 AC socket to battery (+) plate (red)