background image

A

A

B

B

C

C

D

D

E

E

1

1

2

2

3

3

4

4

Close to Pin37 of U4

BYTE#

Important power supply!

Close to Vaddis!

OPEN

AMD/SST

SDRAM configuration:

1X16Mbit: CS0# = Low;

1X64Mbit: CS1# = Low; CS0#=BA1

SDRAM speed <=7ns

Tras <=44.4ns

Trp   <=22.2ns

OPU:   313A    HD65

R5:     22K     11K

R6:     33K     18K

EEPROM

R39

JP3

CLOSE

NM

Intel

Close to Vaddis!

NC

Close to 

Vaddis

NC

Flash speed <= 70 nS.

If plan to use 90ns

Flash, it needs to be

verified by s/w.

Vaddis 9

OPEN

Close to 

Vaddis

Place de-coupling capacitors close to power pins.

0R

Use it to connect the shell of the crystal with ground.

R40

OPEN

A19

OPEN

BOOTSEL

CLOSE

MUX GPIOs

0R

SW debug

Flash select

Crystal

MUX GPIOs

JP2

RY/BY#

UART

NM

Play

Download

RESET

C10
C11
C12
C15
C154
C189
C19
C190
C191
C192
C193
C194
C2
C20
C201
C202
C205
C206
C21
C22
C23
C24
C25
C26
C27
C28
C29
C3
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C4
C43
C44
C45

C48
C49
C5
C50
C51
C6
C7
C8
C9
CN10
CN109
D1
EC1
EC20
EC4
EC9
FB1
FB3
FB30
FB4
FB6
FB7
FB8
FB9
JP2
JP3
Q1
R1
R10
R12
R13
R14
R15
R19
R2
R20
R21
R22
R223
R224
R225
R226

R227
R228
R229
R23
R230
R231
R235
R238
R24
R244
R245
R246
R25
R26
R27
R28
R3
R30
R33
R34
R35
R36
R37
R38
R39
R4
R40
R41
R42
R5
R56
R6
R7
R8
R9
U1A
U2
U3
U4
U5
Y1

A2
A2
A2
C3
C2
C1
A2
C1
C1
C1
C1
C1
A3
A2
B3
C2
D2
D1
A2
A2
A2
C1
C1
C1
C1
C1
C1
A3
C1
B1
B1
B1
B1
C1
C1
B3
D1
D1
A3
E1
C4
A3

A1
C1
A3
C1
B1
A3
A2
A2
A2
C4
C4
E1
A3
C3
C1
E1
A3
D1
B3
D1
C1
C2
C2
C2
A2
A2
E1
A3
C2
D2
D1
D1
D1
C2
B3
C2
C2
C2
C3
C3
C3
B4

B4
B4
B4
C2
B4
B4
D1
D1
D2
C2
C2
C2
D2
D2
D2
D2
B1
C3
E1
E1
E1
E1
C4
C4
A1
B1
A1
A2
A2
B1
C3
B1
B1
B1
B1
B1
A4
A4
A1
C4
D1

WPCO

N

ME

MD

A

T

9

ME

MA

D

D

0

MEMADD12

MEMADD13

SLED_S

RAM

ADD2

RAM

WE-

MD

_C

D

RAM

DAT2

DUPTD1

SPDL

_

SENS+

RAM

DAT

4

RAM

ADD2

VDDAFE

ME

MC

S

0

#

WPCON

APWM_L1-

OSCIN

DUPRD1

RAM

DAT

2

I2C_DAT

RAM

DAT4

MEMADD16

MEMDAT6

RAM

DAT5

V2

ME

MD

A

T

1

FPC_DOUT

STBY_KEY

RAM

CKE

MEMADD10

RAM

DAT

1

5

FOCUS_S

RAMADD3

RAM

ADD5

DUPRD0

RAM

DAT

1

5

RAM

CAS-

FPC_CLK

OSCIN

MEMDAT14

RAM

RAS-

RAM

DAT8

RAM

WE-

RF

_

A

RAM

CS1

-

MEMDAT13

PCL

K

MEMADD18

LD

_D

V

D

MEMADD6

RAMADD6

TRACK_

PWM

RAM

ADD9

CVBS_C

MEMADD15

VO

CAL

_

D

ET

VDDPLL

RAM

DAT

1

3

RG

B/

YUV_

SW

MEMADD14

LD

_C

D

SPDL_S

RAM

CS0

-

RAM

DAT

1

RAM

ADD5

RAM

CAS-

VDDPLL

RAMADD5

IP

CLK

MEMCS0#

RAM

ADD1

RAM

ADD1

DUPRD0

RAM

DAT

0

VDDAF

E

MEMADD8

MEMWR#

MEMDAT0

MEMDAT11

RF

_

D

MEMDAT8

IN_OUT_SW

RAM

WE-

DSPVCC33

C_B_U

ABCLK

MEMADD15

CVBS_C_Y

ME

MD

A

T

8

RAM

DAT

5

I2C_CLK

MEMADD2

RAM

ADD1

1

RA

M

D

QM

MEMADD4

RAM

DAT

1

4

RAM

DAT

1

0

RAM

ADD8

RAM

DAT

4

MEMDAT6

FS3

MEMDAT5

RAM

ADD8

RAM

DAT

1

4

MEMADD10

RA

M

D

QM

RAM

BA

RAM

ADD0

RAMADD4

ML

MEMADD1

SDRAM3.3V

RAM

RAS-

VDDDAC

MEMDAT12

RAM

DAT1

MEMADD17

MEMWR#

LE

D/P

CON

I2C_DAT

CD_DVD

MEMADD18

DUPTD1

RAM

DAT

2

RAM

DAT

3

M

IC_

VOCAL

MEMDAT13

V1

F

O

CUS_

PWM

SDRAM3.3V

MEMADD7

RAM

CKE

RAM

ADD9

V2

PCLK

RAM

DAT

1

1

ME

MD

A

T

0

S/PDIF_OUT

VDDPWM

MEMDAT9

MEMADD8

RAM

DQM

OSCOUT

MEMDAT7

RAM

DAT6

DUPTD0

RF

P

I2C_CLK

V1

MEMDAT11

RAM

DAT

5

DUPRD1

MEMDAT7

FS1

MEMADD5

VDD1

AF

E

RAM

DAT

1

4

MEMADD13

MEMADD2

RF

_

C

RAM

DAT

1

2

RAM

ADD7

SL

ED_

PWM

VC

AOUT0

RAM

DAT

0

SPDL

_

SENS-

AMCLK

MEMADD2

RAM

RAS-

RAM

CS0

-

RF

N

MEMADD19

MEMADD9

MEMDAT15

RAM

CAS-

RAM

ADD1

0

RAM

DAT

7

RAMADD1

CLOSE

RAM

DAT

1

5

RAM

DAT

1

2

RAM

DAT

7

RAM

DAT9

RAM

DAT

3

MEMADD16

RAM

ADD8

HOMESW

MEMDAT4

RAM

ADD7

MEMDAT1

MEMADD4

RAM

ADD0

RAM

ADD1

0

RAM

DAT0

DUPTD0

RAM

DAT

1

RAM

ADD6

RAM

ADD1

1

SPDL

_

PWM

VDDPWM

RAM

ADD4

RAM

DAT

1

1

MEMDAT2

INSW

MEMRD#

OPEN

DSPVCC33

MD

_D

V

D

RF

RAM

ADD3

RAM

DAT

1

0

OSCOUT

IRRCV

FS2

MEMADD11

MEMADD5

RAM

DAT

1

1

RF

_

E

CVBS_G_Y

RAM

DAT8

MEMADD11

MUTE_CTL

I2C_CLK

RAM

ADD6

APWM_L-

I2C_DAT

DUPTD0

RAM

DAT

6

V3

VREF

RAM

DAT9

DAC_

RST

#

MEMADD6

RAMADD7

RAM

DAT7

MIC

_ON

DUPTD1

RAM

DAT

1

2

VDDDAC

VDD1AFE

RAM

DAT6

Y_R_V

MEMDAT2

RAM

BA

RAM

BA

MEMDAT4

MEMADD9

RF

_

B

RAM

DAT3

FPC_STB

VDDAF

E

RAM

DAT

1

0

ALRCLK

MEMADD12

RAM

DAT

1

3

RAM

ADD4

MEMADD3

V3

TRACK_S

DAC_RST#

RAM

ADD1

0

MEMDAT12

RAM

ADD3

RAM

CS0

-

MEMDAT10

MEMDAT15

RAM

DAT

1

3

MEMDAT14

MEMADD7

DUPRD0

DUPRD1

RAM

DAT9

MEMADD19

DRVSB

RF

_

F

RAM

CS1

-

MEMDAT3

ML

MEMDAT10

RESO

UT

MEMADD3

LED/PCON

RAM

DAT8

RAM

ADD0

RAM

ADD9

MEMDAT3

RAM

DQM

VDDDAC

RAMADD2

MEMADD1

PCL

K

AIN

MEMDAT5

MEMADD1

MEMADD0

MEMADD14

SDRAM3.3V

RA

M

D

QM

STBY_

KEY

ME

MR

D

#

APWM_L1-

MEMADD17

IRRCV

RESET#

DSPVCC33

RESET#

IRRCV

INSW

MIC

_ON

I2C_DAT

RF

_

D

ML

FPC_CLK

VC

S/PDIF_OUT

SPDL

_

SENS+

HOMESW

CD_DVD

RF

C_B_U

DAC_RST#

CVBS_G_Y

FS2

I2C_CLK

MD

_C

D

RF

_

B

MUTE_CTL

TRACK_S

APWM_L-

FPC_STB

FS1

CVBS_C_Y

CVBS_C

IN_OUT_SW

RF

_

A

RG

B/

YUV_

SW

LED/PCON

Y_R_V

RF

_

C

FPC_DOUT

MD

_D

V

D

DRVSB

RF

_

F

RF

_

E

FS3

OPEN

CLOSE

SPDL

_

SENS-

VOCAL

_

DET

FOCUS_S

LD

_D

V

D

AIN

SLED_S

M

IC_

VOCAL

AOUT0

APWM_R-

AMCLK

ABCLK

STBY_KEY

ALRCLK

SPDL_S

LD

_C

D

DSPVCC33

DSPVCC33

DSPVCC18

DSPVCC33

DSPVCC33

DSPVCC33

DSPVCC33

DSPVCC33

DSPVCC33

DSPVCC33

DSPVCC33

DSPVCC33

DSPVCC18

DSPVCC33

DSPVCC33

DSPVCC18

DSPVCC33

SERVO33

DSPVCC33

R3

51K

C3
10nF

U4

SST39VF800
[39VF400/800/160]

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25

A15
A14
A13
A12
A11
A10
A9
A8
NC
A20
WE#
RP#
VPP
WP#
A19
A18
A17
A7
A6
A5
A4
A3
A2
A1

A16

VCCQ

GND

DQ15

DQ7

DQ14

DQ6

DQ13

DQ5

DQ12

DQ4
VCC

DQ11

DQ3

DQ10

DQ2
DQ9
DQ1
DQ8
DQ0
OE#

GND

CE#

A0

R27

10K [NM]

R25

10K [NM]

+

EC20

NM
[220uF/16V]

R238

4.7R

C7
10nF

R35
10K

R

9

100R

R5

22K

+

EC4
100uF/16V

C37

10pF

[NM]

C31

1nF

CN10

HYPER_TERMINAL I/F

[NM]

1
2
3
4

C19
10nF

FB4

500Z

C26
10nF

C44
NM
[0.1uF]

R223

NM [0R]

C194

33pF

R33

330R

C201
0.1uF

C38

22pF

C25
10nF

C202

1nF

C24
10nF

FB3

500Z

C4
10nF

R56

0R

[4.7R]

R41
1K
[NM]

C8
10nF

R231
10K
[NM]

CN109

DOWN_LOAD_I/F

[NM]

1
2
3
4

C2
10nF

C193

33pF

EC9

10uF/16V

R19

75R 1%

R228
10K
[NM]

Y1
27.000MHz

Third overtone

R230
10K
[NM]

R37
2K

JP3
BOOTSEL1[NM]

R39

0R

C15
10nF

R24

0R

R1

4.7K

R10

392 Ohm 1%

C28
10nF

R42
1K
[NM]

C29
10nF

C49

0.1uF

FB6

500Z

C192

33pF

R34

10K

C205
1nF

R20

75R 1%

R7

15.4K

 1%

C32

1nF

C11
10nF

FB1

500Z

JP2
BOOTSEL1[NM]

C154

100p

FB9

75Z

+

EC1
47uF/16V

C191

33pF

R36

100R

R21

75R 1%

C35

1nF

C12
10nF

R26

10K [NM]

C206
NM
[20p]

FB8

75Z

C48
10nF

C33

27nF

C45
22pF
[NM]

U5

NM
[24LC02 ]

1
2
3
4

8
7
6
5

A0
A1
A2

GND

VCC
WP
SCL
SDA

C20
10nF

C50
33pF

C190

33pF

R22

75R 1%

R14
220K

R2

75R

Q1
BT3904

U2

16Mbit: K4S161622C-TC/L70

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

VDD

DQ0

DQ1

VSSQ

DQ2

DQ3

VDDQ

DQ4

DQ5

VSSQ

DQ6

DQ7

VDDQ

LDQM

WE

CAS

RAS

CS

BA

A

10/A

P

A0

A1

A2

A3

VDD

VSS

DQ15

DQ14

VSSQ

DQ13

DQ12

VDDQ

DQ11

DQ10

VSSQ

DQ9

DQ8

VDDQ

NC

UDQM

CL

K

CKE

NC

A9

A8

A7

A6

A5

A4

VSS

C36

1nF

C9
10nF

R244

NM [0R]

C6
10nF

C30
0.1uF

FB7

75Z

R245

NM [0R]

R227
10K
[NM]

R4

51K

R235

4.7R

C22
10nF

R246

NM [0R]

C5
10nF

C189

33pF

R40

NM

R23

75R 1%

C34

1nF

U1A

ZR36966

208

207

206

205

204

203

202

201

200

199

198

197

196

195

194

193

192

191

190

189

188

187

186

185

184

183

182

178

176

179

177

174

175

173

180

181

161

172

163

170

171

167

168

165

166

162

159

160

169

164

158

157

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

49

48

50
51

53

52

54

55

57

56

58

59

61

60

62

63

65

64

66

67

69

70

71

72

68

73

74

76

75

77

78

80

79

81

82

84

83

85

86

89

87

90

91

92

156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105

44
45
46
47

88

93

94

95

96

97

98

99

100

101

102

103

104

43

209

210

211

212

213

214

215
216
217
218
219
220

221
222
223
224
225
226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

VDDP

GP

IO[9]/M

E

M

DA

T

[9]

ME

MD

A

T

[1

]

GP

IO[8]/M

E

M

DA

T

[8]

ME

MD

A

T

[0

]

ME

MR

D

#

ME

MC

S

0

#

ME

MA

D

D

[0]

GP

IO[63]/M

E

M

CS

2#

GP

IO[62]/F

CU_IORD#

GP

IO[61]/F

CU_IOWR#

GP

IO[60]/F

CU_S

CLK

GP

IO[59]/F

CU_CS

2#

GP

IO[58]/F

CU_CS

3#

GP

IO[57]/F

CU_WA

IT

#

GP

IO[56]/F

CU_RS

T

IGP

IO[55]/F

CU_IRQ

GNDC

VDDC

IGP

IO[54]/P

WM

CO[5]

GP

IO[53]/P

WM

CO[4]

GP

IO[52]/P

WM

CO[3]

GP

IO[51]/P

WM

CO[2]

GNDPWM

GP

IO[50]/P

WM

CO[1]

VDDPWM

GP

IO[49]/P

WM

CO[0]

CD_

M

D

GNDREF

DVD_

M

D

VDDSAFE

VREF

RESO

UT

VC

C

D

_LD

DVD_

L

D

B

GND1

AF

E

C

G

H

K

F

J

E

VDDAF

E

VDD1

AF

E

A

GNDAF

E

D

RF

N

RF

P

MEMDAT[2]
MEMDAT[10]/GPIO[0]
MEMDAT[3]
MEMDAT[11]/GPIO[1]
MEMDAT[4]
MEMDAT[12]/GPIO[2]
MEMDAT[5]
MEMDAT[13]/GPIO[3]
MEMDAT[6]
MEMDAT[14]/GPIO[4]
GNDC
MEMDAT[7]
MEMDAT[15]
VDDC
VDDP
MEMADD[16]
MEMCS1#/GPIO[5]
MEMADD[15]
MEMADD[14]
MEMADD[13]
MEMADD[12]
MEMADD[11]
MEMADD[10]
MEMADD[9]
MEMADD[8]
MEMWR#
MEMADD[18]/GPIO[6]
MEMADD[17]
MEMADD[7]
MEMADD[6]
GNDC
MEMADD[5]
MEMADD[4]
MEMADD[3]
VDDP
MEMADD[2]
MEMADD[1]
MEMADD[19]/IGPIO[7]
USBVDD
USBDP/GPO[67]
USBDN/GPO[68]
USBGND

RAMADD[6]

RAMADD[2]

RAMADD[1]
RAMADD[7]

RAM

ADD[0]

VDDC

RAM

ADD[8]

RAM

ADD[1

0

]

GNDC

VDDP

RAM

ADD[9]

RA

M

A

DD[11]/GP

O[64]

RAM

BA

RAM

CS0

#

RA

MCS

1#/GP

O[65]

RAM

RAS#

VDDP

RAM

CAS#

GNDC

RAM

WE#

GNDP

CLK

PCL

K

VDDPCL

K

RAM

DAT

[8

]

RAM

DQM

RAM

DAT

[7

]

RAM

DAT

[9

]

VDDP

RAM

DAT

[6

]

GNDC

R

A

MD

A

T

[10]

R

A

MD

A

T

[11]

RAM

DAT

[5

]

RAM

DAT

[4

]

R

A

MD

A

T

[12]

VDDP

RAM

DAT

[3

]

GNDC

R

A

MD

A

T

[13]

R

A

MD

A

T

[14]

RAM

DAT

[2

]

RAM

DAT

[1

]

R

A

MD

A

T

[15]

RAM

DAT

[0

]

GNDDACBS2

RSET
DAC1

VDDDAC

DAC2
DAC3

VDDDAC

DAC4

GNDDAC_D

DAC5

XIN

XO

VDDPLL
GNDPLL
RESET#

GNDC
VDDC

GPIO[48]/DUPRD1
GPIO[47]/DUPTD1
GPIO[46]/DUPRD0

GPIO[45]/PWMCO[5]/DUPTD0

VDDP

IGPIO[44]

GPIO[43]/TDO
GPIO[42]/TCK

GPIO[41]/TDI/NMI

GPIO[40]
GPIO[39]
GPIO[38]

IGPIO[37]/TMS/NMI

GPIO[36]
GPIO[35]

GPIO[34]/RAMCKE/SPDIFIN

GPIO[33]/AIN/SPDIFIN

GPIO[32]/SPDIFO

GPIO[31]/ABCLK

GPIO[30]/ALRCLK

VDDP

GPIO[29]/AMCLK

GNDC

GPIO[28]/AOUT[0]/APWM0-

GPIO[27]/APWM0+

GPIO[26]/AOUT[1]/APWM1-

GPIO[25]/APWM1+

GPIO[24]/AOUT[2]/APWM2-

IGPIO[23]/APWM2+

GNDAPWM

GPIO[22]/AOUT[3]/APWM3-

GPIO[21]/APWM3+

GPIO[20]/APWM4-

GPIO[19]/PWMCO[5]/APWM4+

VDDAPWM

RAMADD[3]
RAMADD[5]
VDDIP
GNDC

VDDC

VDDP

RA

MDQM2/RA

MCK

E

/GP

O[66]

GNDC

RAM

CKE/

SDI

_

PSC/

G

P

IO

[1

0

]

GP

A

IO/IGP

IO[11]

A

P

W

M7+

/GP

IO[12]

APWM

7

-/

G

PI

O

[1

3

]

A

P

W

M6+

/GP

IO[14]

APWM

6

-/

G

PI

O

[1

5

]

A

P

W

M5+

/GP

IO[16]

APWM

5

-/

G

PI

O

[1

7

]

A

IN/S

P

D

IF

IN/IO[18]

RAMADD[4]

G

G

G

G

G

G

G
G
G
G
G
G

G
G
G
G
G
G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

G

C10
10nF

D1

LL4148

C51

0.1uF

R226
10K
[NM]

R15
75R

C21
10nF

R13

75R

C27
10nF

R229
10K
[NM]

R38
2K

C23
10nF

R12

NM [0R]

C39

22pF

R225

0R[NM]

FB30

500Z

U3

NM

[64Mbit:K4S641632H-UC70]

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

VDD

DQ0

VDDQ

DQ1

DQ2

VSSQ

DQ3

DQ4

VDDQ

DQ5

DQ6

VSSQ

DQ7

VDD

DQM

L

WE#

CAS#

RAS#

CS#

BA0

BA1

A1

0

A0

A1

A2

A3

VDD

VSS

A4

A5

A6

A7

A8

A9

A1

1

NC

CKE

CL

K

DQM

H

NC

VSS

DQ8

VDDQ

DQ9

DQ10

VSSQ

DQ11

DQ12

VDDQ

DQ13

DQ14

VSSQ

DQ15

VSS

R30
15K

R28

33R [NM]

R224
4.7K
[NM]

C43

0.22uF

R

8

100R

R6

51K

4-3

4-3

Main Board Electric Diagram for SD-270: Vaddis_SDRAM_Fla

Содержание SD-270EKB2

Страница 1: ...is Service Manual describes replacement parts for the green products When repairing these green product s use the part s described in this manual and lead free solder 2 For 1 and 2 see the next page Oct 2007 GREEN TOSHIBA CORPORATION 2007 C File No 810 200796GR SERVICE MANUAL INTERNAL PUBLICATION SD 270EKB2 SD 270EKE3 ...

Страница 2: ...curement of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts 2 LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repair of this product WARNING This pro...

Страница 3: ... Power Board 4 2 Main Board 4 3 PCB Print layouts Front Board 5 1 Power Board 5 2 Main Board 5 3 Set Mechanical Exploded view Parts List 6 1 Part List Part list for Front Board 7 1 Part list for Power Board 7 2 Part list for Main Board 7 3 Technical Specifications 8 1 Revision List 9 1 TABLE OF CONTENTS Page ...

Страница 4: ...nals 2 If there are F F T and T signals output from U7 Check Replace the loader Yes Yes No Go Check whether laser voltage 2 3V for DVD 1 9V for CD on Collector of Q2 and Q3 Check the FFC connection between 24P and the loader 1 Whether voltage on pin 129 of U1 varies between 0 and 3 3V 3 3V for CD and 0V for DVD 2 Whether peripheral components are eroded or badly soldered Trouble shooting chart Mot...

Страница 5: ...supply on the power board is normal Check Correct connection Whether the connection to K301 is broken Correct the connection Replace U1 No No Yes Yes Check if the CON3 on the front board to CN5 on the decoder board is in good contact Whether there is 0V and 3 3V voltage difference on Pin 94 PCON of U1 Trouble shooting chart ...

Страница 6: ...heck whether U1 are eroded All output voltages on the power board is 0V or deviated Check whether there is 300V on C1 Check whether 100KHz oscillating signal on Pin6 of U1 Check if 5V 12V and 12V are short Check whether the components in the short circuit voltage are defected or eroded Yes Yes Yes Yes U1 PIN 3 RC waveform Check whether F1 is blown Trouble shooting chart ...

Страница 7: ...ction between 24P and the loader Check U1 and peripheral components Re solder or replace the defective parts Correct connection Replace U1 or loader Yes Check whether there is laser voltage 2 3V for DVD and 1 9V for CD on Collector of Q2 Q3 Check if there is RFO signal on pin10 of CN2 The normal RFO signal is a clear reticulated wave Check U1 U7 and peripheral components are eroded or badly solder...

Страница 8: ...components Check whether there is voltage variance on pin 182 of U1 check if bad solder exist on U1 and peripheral components Replace the bad spare parts Yes Yes Yes Go Correct connection Change U1 or the loader No No Yes Check laser voltage 2 3V output on Collector of Q2 if pin181 of U1is at low level No Trouble shooting chart Check whether pins of U1 and peripheral components are badly soldered ...

Страница 9: ...t Check the U1 s pin 131 132 133 arrive the CN5 connect condition Correct connection Replace U1 or LED Yes Yes Yes No Check VCC 5v voltage on the power and front board Check there are CS DATA and CLK signals on CON3 on the front board 1 Check whether bad solder exists on U1 and pins of LED 2 Check whether the circuit connected to S1 S2 S3 and S4 is broken 3 Check whether R6 R7 and R8 are open circ...

Страница 10: ...transistor Q17 Q18 are normal Checking the U15 leads the feet has no to break to open Correct connection Replace U1 if the clock signal AOUT0 ABCK and ALRCK output by U1 are normal Check whether the U1 or U15 powersupply normal No Yes Check the power supply voltages 12V to the operation amplifying Q27 and 12V are normal Yes Check U15 Replace U1 or U15 No Yes SACLK waveform SBCLK waveform SSLRCK wa...

Страница 11: ...r board are normal Check Y1 R13 C38 and C39 Check other of power supply electric circuit Correct the connection Check whether the video filter network circuit is normal Yes Yes No No No Check whether the 27MHz output signal normal change U1 Yes No Trouble shooting chart Check if the video signals on Pin 147 149 151 152 154 of U1 are normal ...

Страница 12: ...an oscilloscope to check if there is output waveform from the first pin IR of the remote censor after pressing button on the remote control REM1 PIN1 RC waveform Check if there is IR signal on pin 134 of U1 Check if the power supply voltage to the remote censor is normal Go No No No Yes Yes Yes Correct connection Yes Change U1 IR waveform Trouble shooting chart ...

Страница 13: ... Crystal oscillator Y1 and peripheral components are defected or eroded No No No Yes Yes Yes 27Mhz waveform Check whether all the voltages from the power board to the decoder board are normal CVBS R21 point waveform Check if there is 135MHz signal output on R2 Check whether short circuit or bad solder on U2 U4 SDRAM R2 PCLK waveform Check U1 No No Reconnect the component in Yes Yes Check if short ...

Страница 14: ...GND Pb AUDIO AMP LPF 16M SDRAM TCL TDM 1 KHM313 EEPROM LED DRIVE ET6202 12V ZR36966D LED Display GND Y COAX VIDEO SWITCH TS5V33 5 MOTOR DRIVER AM5888S 5V 5V 1 Key matrix 1 12V VIDEO LPF DRIVE 1 AC IN 1 CN5 CN3 CN4 CN2 CN8 CN6 CN7 CON301 CON1 U1 U4 U5 U7 U16 U2 U301 REM301 LED1 power key SD 270 BLOCK DIAGRAM 2 1 2 1 ...

Страница 15: ...LOAD 16M SDRAM RF_D OUTSW TCL TDM 1 KHM313 RF_E CLK CD DVD DV33 IR EEPROM VCC RFA5V VR_DVD LED DRIVE ET6202 12V ZR36966D LED Display GND Y GND 7 COAX SL RF_A RF_B MD C GND VIDEO SWITCH TS5V33 5 MOTOR DRIVER AM5888S 5V CS LOAD RF_C NC C GND 5V 1 Key matrix 1 TACT NC C GND 12V SL 7 VIDEO LPF DRIVE 1 AC IN LED 5V 1 SP FACT CN1 CN5 CN3 CN4 CN2 CN8 CN6 CN7 CON301 CON2 CON1 U1 U4 U5 U7 U16 U2 U301 REM30...

Страница 16: ...100P R2 4K7 open U1 ET6202 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 OSC DI O CLK STB KEY1 KEY2 VDD SEG1 KS1 SEG2 KS2 SEG3 KS3 SEG4 KS4 SEG5 KS5 SEG6 KS6 SEG7 KS7 GND GRID1 GRID2 GND GRID3 GRID4 GND VDD SEG14 GRID5 SEG13 GRID6 SEG12 GRID7 SEG10 KS10 SEG9 KS9 SEG8 KS8 D1 1N4148 C9 47uF R4 FB 0805 S1 POWER 1 2 3 4 R9 10K R10 10K R11 0 CN3 9P 2 0 1 2 3 4 5 6 7 8 9 C3 ...

Страница 17: ...U C4 47uF 25V C1 22uF 400V D3 1N4007 C11 0 1uF 50V R3 1 4W120K C5 152 1KV C6 47uF 25V R5 1 6W5 6K 1 R12 1 6W33 U2 PC123X92 1 2 4 3 C2 22uF 400V F1 T2AL 250ac D6 IN4148 R10 1 6W100 D5 IN4148 C14 NU U3 TL431 2 1 3 C10 0 1uF 50V U1 TNY276 8 1 5 6 4 7 3 2 S EN UV S S Drain S NC BP M RV1 10K471 D7 FR102 R11 1 6W22 D8 IN4007 R7 1 6W5 1k 1 L6 C9 10uF 50V T1 EEL22 8 11 6 4 7 3 1 9 5 2 12 10 R9 1 6W10k D2 ...

Страница 18: ...00uF 16V C37 10pF NM C31 1nF CN10 HYPER_TERMINAL I F NM 1 2 3 4 C19 10nF FB4 500Z C26 10nF C44 NM 0 1uF R223 NM 0R C194 33pF R33 330R C201 0 1uF C38 22pF C25 10nF C202 1nF C24 10nF FB3 500Z C4 10nF R56 0R 4 7R R41 1K NM C8 10nF R231 10K NM CN109 DOWN_LOAD_I F NM 1 2 3 4 C2 10nF C193 33pF EC9 10uF 16V R19 75R 1 R228 10K NM Y1 27 000MHz Third overtone R230 10K NM R37 2K JP3 BOOTSEL1 NM R39 0R C15 10...

Страница 19: ... RF_C HOMESW RF_E IN_OUT_SW SPDL_SENS DRVSB FOCUS_S TR_B1 SPDL_S RF_A TR_B2 MD_CD VC FOCUS_S RF_B OPEN REGO2 RF_F CLOSE CD_DVD REGO1 RF_D DSPVCC33 GND M5V GND M5V M5V DSPVCC33 DSPVCC18 DSPVCC33 RFA5V DSPVCC33 DSPVCC33 DSPVCC33 RFA5V CN2 SF HD6B 0 5mm 24P TOP 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 25 26 27 28 F F T T C D CD DVD RF A B F GND PD VC VCC E NC VR CD VR DVD LD CD ...

Страница 20: ...3 12V D5V 12V A5V 12V 12V DSPVCC33 DSPVCC33 DSPVCC33 12VA 12VA 12V 12V C97 680pF 33pF EC32 NM 10uF 16V R134 4 7K 1 4 7K 1 Q22 NM BT3094 C175 100pF R153 5 1K 1 NM R124 220R R171 NM R154 NM 120K 1 C91 NM 200pF EC30 NM 10uF 16V R119 1K U15B NJM4558 OPA 5 6 7 8 4 Q20 NM BT3904 Q13 9012H R143 4 7K 1 4 7K 1 R149 NM 120K 1 C71 0 1uF NM R123 100K D15 NM 1N4148 D2 LL4148 R115 NM 10K R101 NM 4 7R R170 470 1...

Страница 21: ...UT G_OUT SCART_SWITCH CVBS_C IRRCV CVBS_C_Y FPC_STB FS1 C_B_U FS3 STBY_KEY Y_R_V S PDIF_OUT FPC_DOUT FPC_CLK RMAIN OUT CVBS_G_Y FS2 LED PCON LMAIN OUT RGB YUV_SW DSPVCC18 12V DSPVCC33 DSPVCC33 D5V DSPVCC33 RFA5V 12V DSPVCC33 M5V D5V 12V D5V D5V SERVO33 D5V ESD2V A5V DSPVCC33 U16 PI5V330W NM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 IN S1A S2A DA S1B S2B DB GND DC S2C S1C DD S2D S1D EN VCC 1 7 CN1 CON...

Страница 22: ...5 1 5 1 Front Board Print Layout Bottom Side for SD 270 ...

Страница 23: ...5 2 5 2 Power Board Print Layout Bottom Side for SD 270 ...

Страница 24: ...5 3 5 3 Main Board Print Layout Top Side for SD 270 ...

Страница 25: ...5 4 5 4 Main Board Print Layout Bottom Side for SD 270 ...

Страница 26: ...Note Rear Cabinet 21 is not service available due to attached rating label It s a general Mechanical Exploded View for SD 270 Detailed information please refer to Model set and Ass y1 is assembled component for location 2 3 4 5 6 7 Ass y1 ...

Страница 27: ...M C SCREW 3 X 6 B 24 AH802014 63 B30080 BF4 S T SCREW B 3 X 8 BF 25 AH802015 64 B30060 304 TRIANGLE M C SCREW B 3 X 6 26 AH802164 51 DC0150 0IAA4 POWER CORD FOR SD 270EKE3 AH802159 51 DC0150 0HAA4 POWER CORD FOR SD 270EKB2 AH802260 72 270EKB 050B2 USER MANUAL ENGLISH VERSION FOR SD 270EKE3 AND SD 270EKB2 AH802261 72 270EKE 120B6 USER MANUAL GERMAN GREEK TURKEY and POLISH COMBINATION VERSION FOR SD...

Страница 28: ...4148 SWITCHING WIRE BARE JUMPER Note Only the parts mentioned in this list are J1 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM normal service spare parts J2 41 WJ0150 B00 WIRE BARE JUMPER 15MM J3 41 WJ0075 B00 WIRE BARE JUMPER 7 5MM J4 41 WJ0060 B00 WIRE BARE JUMPER 6mm J5 41 WJ0150 B00 WIRE BARE JUMPER 15MM J6 41 WJ0150 B00 WIRE BARE JUMPER 15MM J7 41 WJ0060 B00 WIRE BARE JUMPER 6mm RESISTOR R1 19 BB0101...

Страница 29: ... TNY276 P0P IC U2 13 PC123X 9YP PHOTOCOUPLER PC123X9YFZ DIODE U3 13 H431BA 00TFA Adiustable shuat rcgulator D1 10 1N4007 EBX DIODE IN4007 D2 10 1N4007 EBX DIODE IN4007 D3 10 1N4007 EBX DIODE IN4007 D4 10 1N4007 EBX DIODE IN4007 D6 10 0FR102 FBX DIODE FR102 1A 100V D7 10 0FR102 FBX DIODE FR102 1A 100V D8 10 1N4007 EBX DIODE IN4007 D10 10 0SR240 SBXFA SR240 FUSE F1 50 02000D BUS FUSE INDUCTANCE Note...

Страница 30: ...MD CAP 10NF 50V 80 20 0402 C99 28 AB0104 ZFX SMD CAP 0 1 UF 50V 80 20 0603 C26 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 C100 28 HD0104 ZFX SMD CAP 100 NF 25V 80 20 0402 C27 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 C117 28 HD0104 ZFX SMD CAP 100 NF 25V 80 20 0402 C28 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 C118 19 GA0103 JTF SMD RES 10K OHM 1 16W 5 C29 28 HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 ...

Страница 31: ... HB0103 ZFX SMD CAP 10NF 50V 80 20 0402 D27 09 LL4148 ATF SMD SWITCHING DIODE LL4148 EC1 25 BCB470 M1X CAP ELEC 47 UF 16V 20 D28 09 LL4148 ATF SMD SWITCHING DIODE LL4148 EC4 25 BCB101 M1X CAP ELEC 100 UF 16V 20 D29 09 LL4148 ATF SMD SWITCHING DIODE LL4148 EC9 25 BCB100 M1X CAP ELEC 10 UF 16V 20 EC10 25 BCB470 M1X CAP ELEC 47 UF 16V 20 INDUCTANCE EC11 25 BCB470 M1X CAP ELEC 47 UF 16V 20 FB1 33 KLN5...

Страница 32: ... 4 7 OHM 1 16W 5 0402 L4 19 AA0000 JTF RES SMD 0 OHM 1 16W 5 R46 19 GA0221 JTF SMD RES 220 OHM 1 16W 5 L5 19 AA0000 JTF RES SMD 0 OHM 1 16W 5 R48 19 GA0330 JTF SMD RES 33 OHM 1 16W 5 L6 19 AA0000 JTF RES SMD 0 OHM 1 16W 5 R49 19 GA0101 JTF SMD RES 100 OHM 1 16W 5 L7 19 AA0000 JTF RES SMD 0 OHM 1 16W 5 R50 19 GA0101 JTF SMD RES 100 OHM 1 16W 5 R1 19 GA0472 JTF SMD RES 4 7K OHM 1 16W 5 R52 19 GA0332...

Страница 33: ...10W 5 0603 R140 19 GA0472 FTF SMD RES 4 7K OHM 1 16W 1 R202 19 GA0102 JTF SMD RES 1K OHM 1 16W 5 R141 19 GA0472 FTF SMD RES 4 7K OHM 1 16W 1 R203 19 GA0222 JTF SMD RES 2 2K OHM 1 16W 5 R142 19 GA0472 FTF SMD RES 4 7K OHM 1 16W 1 R204 19 GA0103 JTF SMD RES 10K OHM 1 16W 5 R143 19 GA0472 FTF SMD RES 4 7K OHM 1 16W 1 R219 19 GA0000 JTF SMD RES 0 OHM 1 16W 5 0402 R144 19 GA0472 FTF SMD RES 4 7K OHM 1 ...

Страница 34: ...402 IC VARIOUS U1 13 ZR3696 60BXA ZR36966 U2 13 EM6361 65B IC EM636165TS 7 U4 13 AL016D 00BFA 16m Flash 70ns 3 3V TSOP 48 U5 13 00M24C 08B EEPROM 8K M24C08WMN6TP U7 13 AM5888 S0B IC AM5888IC U14 13 AS4558 00B IC AS4558M U16 13 TS5V33 0QB IC TS5V330DBQR Y1 45 OSC27M 0Y5B CRYSTAL DM2700020B Note Only the parts mentioned in this list are normal service spare parts 7 7 ...

Страница 35: ... RPSRQHQW YLGHR RXWSXW S S ȍ QHJDWLYH V QF SLQ MDFN 3 3 5 P9 S S ȍ SLQ MDFN XGLR RXWSXW 6 57 UPV ȍ 6 57 VRFNHW XGLR RXWSXW 2 7 9 S S ȍ SLQ MDFN XGLR RXWSXW 1 2 9 UPV ȍ SLQ MDFNV 5 Supplied Accessories XGLR 9LGHR FDEOH 5HPRWH FRQWURO 6 5 OPEN CLOSE DISPLAY 1 2 3 6 5 4 7 8 9 10 0 T SEARCH SETUP MENU RETURN TITLE OK F R F F PREV NEXT STEP STOP PLAY PAUSE REPEAT A B SUBTITLE ANGLE AUDIO ZOOM SLOW PROG...

Страница 36: ...9 1 REVISION LIST Version 1 0 First Release ...

Страница 37: ...1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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