background image

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

VGA_HS

B

G

R

VGA-HS

VGA-VS

VGA-SDA

VGA-SCL

PC-L

PC-R

VGA-AURin2

VGA-AULin2

AV2-CVBS2P

AV1-V

AV1-CVBS1P

SC1_CVBS_IN

AV1-L

AV1-R

SC1_AU_RIN

SC1_AU_LIN

AV1-AULin5

AV1-AURin5

SC-AULin0

SC-AURin0

VGA-B

VGA-G

VGA-R

VGA_VS

VGA-G

VGA-B

SC1_CVBS_IN

SC1_AU_LIN

SC1_AU_RIN

RGB2-HDTV_SOGIN

RGB2-HDTV_BIN

RGB2-HDTV_RIN

RGB2-HDTV_GIN

RGB0_Y-SOG

AV1-L

VGA-R

PR2_IN

Y2_IN

PB2_IN

Y2_IN

AV1-V

AV1-R
PB2_IN

AV1-L
PR2_IN

PB2_IN

SC1_CVBS_IN

PR2_IN

SC1_AU_LIN

Y2_IN

SC1_AU_RIN

AV1-V
AV1-R

VGA_HS

3

UART-TX

3

UART-RX

3

VGA-AURin2

3

VGA-AULin2

3

AV1-CVBS1P

3

AV2-CVBS2P

3

SC-AURin0

3

SC-AULin0

3

VGA_VS

3

AV1-AULin5

3

AV1-AURin5

3

RGB2-HDTV_BIN

3

RGB2-HDTV_RIN

3

RGB2-HDTV_GIN

3

RGB2-HDTV_SOGIN

3

3

RGB0_Y-SOG

3

3

3

Title

Size

Document Number

Rev

Date:

Sheet

of

05.VGA&YPbPr&AV

1.0

CVMV29L-F-12

Custom

5

7

Wednesday, April 24, 2013

Title

Size

Document Number

Rev

Date:

Sheet

of

05.VGA&YPbPr&AV

1.0

CVMV29L-F-12

Custom

5

7

Wednesday, April 24, 2013

Title

Size

Document Number

Rev

Date:

Sheet

of

05.VGA&YPbPr&AV

1.0

CVMV29L-F-12

Custom

5

7

Wednesday, April 24, 2013

These components close to  V59

AV

These components close to TSUMV39

These components close to MST6M181

靠近

MST6M48

放置

3.02.16.00700    JACK   RCA JACK DIP AV3-8.4-5 

间距

14MM

 黄红白

(

左至右

) ROHS

3.02.17.07500  

排针

  

双排针

 DIP 2*2 2.0mm 

塑宽:

7.2mm 

塑高:

4.85mm 90

 

母座

 LK-HEPHF20022XX0-B000 LK ROHS

R88
10K

R88
10K

R104

0R

R104

0R

R7

1

75R

R7

1

75R

R134

33R

R134

33R

R114

33R

R114

33R

R46

0R

R46

0R

R120

33R

R120

33R

R9

2

75R

R9

2

75R

R6

1

75R

R6

1

75R

R100
10K

R100
10K

R117

33R

R117

33R

R131

75R

R131

75R

J4

HEAD 2x2

双排针

 DIP 2*2 2.0mm 

针长:

6mm 

塑高:

4.00mm 90

 

公座

 LK-HEPHM20022020-B002 LK ROHS

J4

HEAD 2x2

双排针

 DIP 2*2 2.0mm 

针长:

6mm 

塑高:

4.00mm 90

 

公座

 LK-HEPHM20022020-B002 LK ROHS

GND

1

L

2

R

3

CVBS IN

4

R99
10K

R99
10K

R94
10K

R94
10K

R83

0R/NC

R83

0R/NC

R116

33R

R116

33R

R112

33R

R112

33R

R132

75R

R132

75R

R128

75R

R128

75R

R115

33R

R115

33R

R105

8.2K

R105

8.2K

R118

33R

R118

33R

R133
10K

R133
10K

R130

68R

R130

68R

R

L

V

R+

L+

CVBS
GND

GND

GND

CON5
AV3-8r4-5tHHB

R

L

V

R+

L+

CVBS
GND

GND

GND

CON5
AV3-8r4-5tHHB

6

4

5

3

2
1

R113

33R

R113

33R

R129
10K

R129
10K

R122

68R

R122

68R

R119

33R

R119

33R

R

L

V

R+

L+

CVBS
GND

GND

GND

CON1
AV3-8r4-5tYPBPR

R

L

V

R+

L+

CVBS
GND

GND

GND

CON1
AV3-8r4-5tYPBPR

6

4

5

3

2
1

R103

8.2K

R103

8.2K

R37

0R/NC

R37

0R/NC

R27

8.2K

R27

8.2K

R

G

B

GND

GND

GND

GND

GND

GND

GND

SCL

SDA

H

V

NC

NC

NC

CON6
VGA

R

G

B

GND

GND

GND

GND

GND

GND

GND

SCL

SDA

H

V

NC

NC

NC

CON6
VGA

1

6

2

7

3

8

4

9

5

11

12

13

14

15

10

16

17

R

126

75R

R

126

75R

R102
10K

R102
10K

R98

8.2K

R98

8.2K

R7
10K

R7
10K

R

125

75R

R

125

75R

R79

0R

R79

0R

R

L

V

GND
Y
GND

GND

GND

GND

GND

AV

PB

L

PR

R

CON4

AV6-8R4-13A/NC

R

L

V

GND
Y
GND

GND

GND

GND

GND

AV

PB

L

PR

R

CON4

AV6-8R4-13A/NC

1

1

4

4

5

5

7

7

2

2

6

6

9

9

8

8

10

10

3

3

11

11

12

12

Audio_L

Audio_R

GND

CON2

PHONOJACK

Audio_L

Audio_R

GND

CON2

PHONOJACK

1

2

3

4

5

R97

0R/NC

R97

0R/NC

R86

8.2K

R86

8.2K

R101

8.2K

R101

8.2K

Содержание TF-LED15S27

Страница 1: ...Service Manual Part1 Exploded View Part2 Circuit Diagram Part3 Common problems solution ...

Страница 2: ......

Страница 3: ......

Страница 4: ......

Страница 5: ...L12 6 8uH 2A L12 6 8uH 2A U2 BL1117 ADJ U2 BL1117 ADJ VIN 3 ADJ 1 VOUT 2 Vout1 4 Q5 MMBT3904 Q5 MMBT3904 1 2 3 C20 100nF C20 100nF Q2 MMBT3904 Q2 MMBT3904 1 2 3 Q1 3407 Q1 3407 3 1 2 R32 47K_1 R32 47K_1 Q10 MMBT3904 Q10 MMBT3904 1 2 3 C64 10uF X5R C64 10uF X5R C40 100nF C40 100nF C65 10uF C65 10uF C44 10uF X5R C44 10uF X5R C33 100nF C33 100nF J2 J2 3 3V 1 5V 3 VCC Panel 2 R91 0R R91 0R SY8120B 2A ...

Страница 6: ...要 可以使用2MByte 如果不使用MM功能 则Flash默认为512K 主IC选用TSUMV29LU时 不具有MM功能 默认 使用512KByte TSUMV29 39LU L102 FB MST6M182XX L102 NC 主要是做SCART 信号的FS输入 R73 68R R73 68R C26 100nF C26 100nF R41 1 5K R41 1 5K C105 47nF C105 47nF R12 10K R12 10K C92 1nF C92 1nF R78 4 7K NC R78 4 7K NC R67 4 7K R67 4 7K R13 3K R13 3K C91 1u C91 1u C107 100nF C107 100nF R84 100K R84 100K R36 10K R36 10K R50 0R NC R50 0R NC R121 68R R121 6...

Страница 7: ...Title Size Document Number Rev Date Sheet of 04 HDMI USB 1 0 CVMV29L F 12 Custom 4 7 Wednesday April 24 2013 Title Size Document Number Rev Date Sheet of 04 HDMI USB 1 0 CVMV29L F 12 Custom 4 7 Wednesday April 24 2013 R110 33R R110 33R J10 PH 4A_USB NC J10 PH 4A_USB NC GND 1 DP 2 DM 3 5V 4 C79 100nF C79 100nF C9 10uF C9 10uF Q11 MMBT3904 Q11 MMBT3904 1 2 3 R109 33R R109 33R R127 10K R127 10K J12 H...

Страница 8: ...22XX0 B000 LK ROHS R88 10K R88 10K R104 0R R104 0R R71 75R R71 75R R134 33R R134 33R R114 33R R114 33R R46 0R R46 0R R120 33R R120 33R R92 75R R92 75R R61 75R R61 75R R100 10K R100 10K R117 33R R117 33R R131 75R R131 75R J4 HEAD 2x2 双排针 DIP 2 2 2 0mm 针长 6mm 塑高 4 00mm 90度 公座 LK HEPHM20022020 B002 LK ROHS J4 HEAD 2x2 双排针 DIP 2 2 2 0mm 针长 6mm 塑高 4 00mm 90度 公座 LK HEPHM20022020 B002 LK ROHS GND 1 L 2 R...

Страница 9: ... AS 16 IC2 17 GND3 18 IC3 19 SDA 20 SCL 21 MS 22 IF_OUTP 23 IF_OUTN 24 GPIO2 25 IF_AGC 26 IC4 27 VCC_IF 28 GND_IF 29 DR_CAP 30 GPIO1 31 VCC_RF 32 DIR 33 C117 100n C117 100n R56 68R R56 68R D3 BAV99_NC D3 BAV99_NC 1 2 3 R138 100R R138 100R L15 0R L15 0R C118 100n C118 100n C115 22p C115 22p C71 220n C71 220n CA4 100uF 16V CA4 100uF 16V 1 2 R66 NC R66 NC L9 220nH 120mA 5 L9 220nH 120mA 5 C84 100nF C...

Страница 10: ...同相输出 进入单端模式 在D类桥式输出3W条件下插入耳机 L_ R_峰峰值为5 3V R7 R8选为910R C3 10uF C3 10uF R10 1K R10 1K R3 510R R3 510R J5 XH 4A_SPEAKER J5 XH 4A_SPEAKER ROUT 1 ROUT 2 LOUT 3 LOUT 4 C1 100nF C1 100nF R2 1K R2 1K C14 22nF NC C14 22nF NC C10 3 3nF C10 3 3nF R1 33K R1 33K CA2 470uF CA2 470uF C2 22nF NC C2 22nF NC L1 1000R FB L1 1000R FB L2 1000R FB L2 1000R FB R45 4 7K R45 4 7K R42 33K R42 33K L10 1000R FB L10 1000R FB...

Страница 11: ... System Chart Power Units Problem Solving Display Units Problem Solving Audio Units Problem Solving Functional Units Problem Solving CV29L F 12 Common problems solution ...

Страница 12: ...CV29L F 10 System Block SPI YPBPR HDMI R620D Moudle Earphone Spare Voltage USB 2M 4M Flash VGA RGB NS4263 LCD AV2_AUDIO TSUMV39LU RF LVDS AV2 MAIN_R L AV1 AV1_AUDIO RGB0 PC_AUDIO TSUMV59XU TSUMV29LU ...

Страница 13: ... boot Figure 1 Power Units Problem Solving Y N OK Check U5 U7 U4 power supply net N Y N Y Check external power After power on Check Test point TP6 have 5V Test point TP7 have 3 3V Test Point TP1 have 2 5V 1 8V TSUMV29LU is 2 5V TSUMV59XU is 1 8V Q8 Q9 Burnout or load short circuit Check power chip LDO U2 work ...

Страница 14: ...Y N Change LCD N Y Check the network output J3 cable socket Works normal Y Check U6 TSUMV29LU Power supply and clock circuit chip LVDS output pin is short circuit or open circuit Change the circuit Figure 2 Display Unit black screen N Check LCD power VCC Panel is ok J2 select is right Q1 output voltage is ok Check the software match RE Upgrade software N Y ...

Страница 15: ...J8 No 5 6 pin Have or not 12V Check the Inverter power supply 4pin of J8 output voltage is over 3 3V Check power supply circuit N N Y Y Maintenance power Inverter broke or bad wire connection Figure 3 Display Unit black screen ...

Страница 16: ... circuit U1 NS4263 6 11 Pin have signal input N Y Y N Check the Volume MUTE settings Reset If any signal output of J5 J7 Y N Check external Speaker Check amplifier power supply circuit Check U6 audio input pin has the signal output N Y N Y Maintenance U6 Maintenance U1 U6 Connect part network Figure 4 Audio Unit no sound ...

Страница 17: ...heck power supply circuit of L15 Y N Check Tuner No 9 10 pin of U9 Have I2C data Check pull up voltage of I2C network is Ok N Y Check No 5 6 pin of U9 have IF signal N Check connect circuit Y Check external circuit of U9 is OK N Y Repair its outer circuit N Y Check video BPF circuit and U6 TSUMV29LU connect network Change Tuner Check BPF U9 direct connect network is OK ...

Страница 18: ...nd only picture Check the sound of PC and AV N Y See NO SOUND repair guide Figure 6 Function Unit ATV with the image but no sound Check the connect net of BPF and U9 Check the connect net of BPF and U6 TSUMV29LU ...

Страница 19: ... U6 TSUMV29LU R G B input signal works well Reset the system settings Y N VS HS signal Stable and well Check VS HS Circuit OSD settings Or input mode not correct Reset it Check VS HS Circuit Y N Check VGA circuit connection Check VGA circuit connection Check VGA input circuit Figure 7 Function Unit PC ...

Страница 20: ...lor cast All no signal The system is incorrect re set settings Check VGA R G B Input network Check U6 TSUMV29LU Power supply U6 TSUMV29LU R G B Input signal is normal Y N Figure 8 Function Unit VGA VGA socket contact is ok ...

Страница 21: ...und is ok in PC Check HDMI and the input network Check HDMI and input network U6 TSUMV29LU HDMI and relevant network Figure 9 Function Unit HDMI Check If the sound is ok in PC Y N See the repairs guide No Sound Solution Y Check HDMI connection N ...

Страница 22: ...YPBPR YPBPR Color cast No signal Y PB PR input signal network Check U6 external circuit and Crystal circuit Figure 10 Function Unit YPBPR ...

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