EUROCOM T890M Service Manual download pdf (Page 69)

Schematic Diagrams

VCORE B - 29

B.Schematic Diagrams

VCORE

Z 2910

VREFVC

TTRIP

CLSET

CS+

TG

DR N

VCCA

D02 1023

SS

VC CA

VC CA

Z2920

11/25

ER RO UT

Z2919

Z2915

Z2918

BST

BG

8/21

8/22

Z2913

D02 1125

Z2901

D02 1023

EN_VCORE

VR EFVC

DR N

CS-

8/21

CS1N

VC CSEN SE

DAC

PR151 *0_04

1 2

8/21

CS +

11/25

Z2917

6A

D02 1023

Z 2906

Z 2908

Z 2905

Z 2904

Z 2907

Z 2909

6A

Z2914

Z 2903

+

PC 67

15U _25V _V

12

V SSSEN SE

PC52

0.1U _50V _06

PC 51

0.1U_50V_06

PR 85

130K_1% _04

PR 147 0 _0 4

PR 56 0_061 2

PR 74 0_04

PR63

887_1%_06

1

2

PC50

4.7U _25V_X5R _08

PQ 44A

AO4932

7

8

1

2

PR 100

28K_1%_04

C182

.01U_50V_X7R_04

1

2

R 182 100_1%_04

PQ 44 B

AO 4932

4

3

5

6

PR 137 0 _0 4

PJ 3

OPEN-2mm

1 2

PR 68

130K _1%_04

PJ 4

*O P E N _2 5 m i l

C178

.01U_16V_X7R_04

1

2

PR 121

* 10_1% _06

PQ 20

2N 7002W

G

DS

PR 38 1K_1%_04

PC 123

1U_6.3V_X5R _04

1

2

PR61

2 . 2K _1 % _ 0 4

P R108 *0_04

PR 41

10K_04

PC 133

180P_50V_NPO _04

PR37

1K_1% _04

Z2916

PR79

0_04

1

2

PTH1

* 100K _5%_06 NTC

12

PR14 5 *0_0412

P R 52 1 0 K _ 04

PR 53

10_06

1

2

PR 40

10K_04

PC 44

100P_50V_04

1

2

PC 43

100P_50V_04

1

2

PD9

F M0540-N

AC

PR 75

3 6 5K _1 % _ 0 4

PC109

* 3.3nF_50V_X7R_04

PC38

150U_4V_B2

PC15 1

*100P _50V_04

1

2

PR 109

17.4K_1%_04

C165

. 0 1U _ 5 0V _X 7R _ 04

1

2

R184

100_1%_04

1/16W

0402

1%

PU5

SC454

VI D6

1

VI D5

2

VI D4

3

VI D3

4

VI D2

5

VI D1

6

VI D0

7

DPRSTP#

8

HYS

9

CLSET

10

VRE F

11

DAC

15

SS

16

FB-

17

FB+

18

CS-

19

CS+

20

TT R I P

21

DPR S L

22

RAM P

23

EN

24

PWR GD

25

CLKEN#

26

V5

27

BG

28

DRN

29

TG

30

BST

31

VRTT #

32

ERROUT

14

VC CA

13

AGND

12

GND

33

C1 7 5

. 0 1U _ 1 6V _X 7R _ 04

PQ 21

2N7002W

G

DS

PR 148

*0_04

1

2

PC 104

* 100P _50V_04

PTH2

100K_5%_06 N TC

12

PR 80

30.1K_1% _04

PC 41 .00 1U_50V_ X7R _0 4

1 2

PC 47

.01U_50V_X7R_04

PL7

PCM B05 3T _ 1 .5 UH

1

2

PR11 1 0_0 4

PR 43

6.98K_1%_06

1

2

PC13 9

.001U _50V_X7R _04

1

2

PR83 *10K_041 2

PC12 4

.001U _50V_X7R _04

1

2

PR 146 0 _0 4

PC63

1U _6.3V_X5R_04

1

2

PC 46

150U _4V_B2

PR 60

10K_1%_04

1

2

PR 82 0_04

PC 98

.015U_16V_X7R _04

PC 32

.1U_10V_X7R_04

PC129

* 100 P_5 0 V_ 0 4

1

2

PR 138 0 _0 4

PR12 8

0_ 0 6

1 2

PC146

100P_50V _04

1

2

PR112

*0_04

1

2

PR 76 0_04

PC 49

10P_50V_NPO_04

1

2

PR 126 0_04

1 2

PR59

1K_1% _04

1

2

PC 42

1U_6.3V_X5R_04

1

2

PC 143

* 1000P_50V _04

1

2

PC 39

68P_50V_N PO_04

1

2

VGND4

3. 3 V S

VG ND 4

3.3VS

5V

VGND4

VG ND 4

V_CORE

3.3VS

VGND4

VG ND 4

VG N D4

VC OR E

VG ND 4

5V

VDD 5

VCORE

VIN

V_ CO RE

PM _ DPR SLPVR 6

H_VID 04

VSSSENSE 4

H_VID 64

H_DPRSTP#3, 5

VCCSENSE 4

H_VID 14

CLKEN #2

H_VID 44

H_VID 34

VC OR E_ON23

H_VID 24

H_VID 54

VD D5 24 ,25,29

VC OR E 4

VIN 13,24..27,29

5V 9,13,14, 19..21,24..27

3.3V 3,7,9,13..15,17..19,21,23,25..27

3 .3 VS 2 ,6,7 ,9,11. .23 ,2 5,2 6

DELA Y_PWRGD 23

DRN

8/21

CS1N

CS-

EN_VCORE

HYS

Z2902

Sheet 28 of 31

VCORE

1 2 ... 64 65 66 67 68 69 70 71 72

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