Casio TV-770C Service Manual & Parts Manual Download | Manualshive

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2SB709A
2SC4238

2SD601A
2SD1149-S

C

B

E

2SD1119

C

B

E

C

IC700
MSM6625-02GSK-640F

TRANSISTORS

AFT

M1

M2

M3

M4

M5

M6

TE6

TE5

TE4

TE3

TE2

TE1

VSS2

CK1

ECB

STB

SCB

CNB

CFB

CDB

SNB

D6

D5

D4

D3

D2

D1

14

13

12

11

10

9

8

7

6

5

4

3

2

1

KDB

KCB

AVB

UHF

VLB

TU

MTB

VDD1

HDB

C-S

PD

OSC2

OSC1

CK2

28

27

26

25

24

23

22

21

20

19

18

17

16

15

AD2

AD1

B

G

R

RLL

VDD2

RHH

M7

M8

M9

M10

PS1

VSS1

43

44

45

46

47

48

49

50

51

52

53

54

55

56

29

30

31

32

33

34

35

36

37

38

39

40

41

42

M11

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Summary of Contents for TV-770C

Page 1: ...R without price TV 770C PAL B G H TV 770D PAL I TV 770G PAL M TV 770N PAL B G H KX 503 AUG 1996 CH 2 4 5 6 7 11 13 CH 14 30 40 50 60 69 ...

Page 2: ...CONTENTS SPECIFICATIONS 1 BLOCK DIAGRAM 2 PRINTED CIRCUIT BOARDS 3 EXPLODED VIEW 5 PARTS LIST 6 IC AND TRANSISTOR LEAD IDENTIFICATION 9 SCHEMATIC DIAGRAMS 11 WAVEFORMS 15 ...

Page 3: ...6 Connection terminals External power jack 6 0 V DC IN External antenna jack 3 5 ø mini 7 Screen size 2 3 inches 8 No of picture element 39 600 110 360 dots 9 Dimensions 127 mm H 81 mm W 35 mm D 10 Weight 200 g without batteries AC adaptor AD K64 65 11 Options Car adaptor CA K65 Antenna matching device AS 35S SPECIFICATIONS Model Color System TV System Channel TV 770C N PAL B G H CCIR VHF 2 12 ch ...

Page 4: ...0 MSM6625 02 GSK 640F Converts the color signal into a digital signal Also generates the clock pulse for the display and controls the display 7 Tuning voltage generator IC500 MSC1169MS K Generates the tuning voltage with the tuning pulse output from 6 8 Display voltage generator Q800 Q803 Q805 Q806 2SD601A R x 4 2SB709A R 2SD1149 S Generates the display voltages V0 V4 with VEE1 and VCC7 outputs fr...

Page 5: ...2 C340 R310 R110 R108 C140 R115 R113 R704 C236 R816 R813 R820 C782 R745 R830 C750 D805 D803 Q101 Q110 D155 R738 D707 VR100 VR301 VR300 C330 VR700 R840 L101 R223 VR200 CN710 C305 C309 H300 C208 C210 C207 C202 C205 C606 C603 C806 C808 C700 C800 IC700 C112 C115 C105 C113 C100 C110 D150 SW100 T100 FU100 VR800 VR600 T200 T201 F220 F221 F210 F211 F203 F200 L103 L102 L202 TU200 JK200 JK600 CN700 JK100 D1...

Page 6: ... R G R733 C760 C756 D705 R730 C758 C761 R719 R718 KDB B L705 C751 C755 R700 PD R709 R710 R711 HP700 C765 VCC2 D152 C153 VCC2 0 C152 Q111 C145 C160 D703 C150 C130 VCC7 GND R106 R107 C137 C155 D110 D100 R105 TM100 C182 C185 R208 C243 R211 CP330 C233 CP200 R150 C242 C246 BT BV BU C240 VCC1 1 H L TU Q200 C238 R205 R202 R207 C550 C237 R203 R201 R204 L200 C239 C232 D500 R503 C530 R550 R500 R501 R502 R60...

Page 7: ... 5 10 6 15 16 19 20 18 11 12 13 21 9 5 4 14 1 2 3 LA900 17 8 8 7 7 5 24 23 22 EXPLODED VIEW ...

Page 8: ...mmon 1 C Jacks JK100 3501 8281 Jack HEC0811 010010 TV 770 Common 1 B JK200 3501 5439 Jack HSJ1456 01 210 TV 770 Common 1 C JK600 3501 5439 Jack HSJ1456 01 210 TV 770 Common 1 C Transistors Q101 2230 7011 Chip transistor 2SD601A R TX TV 770 Common 1 B Q110 2230 7011 Chip transistor 2SD601A R TX TV 770 Common 1 B Q111 2253 0308 Chip transistor 2SD1119 R TX TV 770 Common 1 B Q200 2252 0707 Chip trans...

Page 9: ...stors Q950 2253 0308 Chip transistor 2SD1119 R TX TV 770 Common 1 B Q951 2253 0308 Chip transistor 2SD1119 R TX TV 770 Common 1 B Switches SW700 3412 1029 Switch SKHHAL TV 770 Common 1 C SW701 3412 1029 Switch SKHHAL TV 770 Common 1 C Transformer T950 3012 1470 Inverter trans NT 07 TV 770 Common 1 B Notes Q Quantity per unit R Rank 7 ...

Page 10: ...mmon 1 X 10 6611 0890 Battery cover A K503 K240450 1 TV 770 Common 1 X 11 2725 1218 LCD PSG123CO TO TV 770 Common 1 C 12 6611 0930 Light diffuser sheet A K503 K440800 1 TV 770 Common 1 X 13 6611 0900 Reflector case K503 K140261 1 TV 770 Common 1 X 14 6611 2261 BL unit K340625 1 TV 770 Common 1 B 15 6611 0910 Switch knob A K503 K340575 1 TV 770 Common 1 X 16 6611 0960 Battery spring A K503 K440798 ...

Page 11: ...3 AUDIO VIDEO 1 24 VCC SY IN 2 23 VCXO OUT ACCF 3 22 NC SY OUT 4 21 VCXO IN HDIN 5 20 COLOR Y CLAMP 6 19 TINT Y LPF 7 18 KILLER F Y OUT 8 17 APCF CONT 9 16 APCREF R 10 15 KILLER OUT G 11 14 PIX B 12 13 GND IC AND TRANSISTOR LEAD IDENTIFICATION IC LSI Vref 1 16 VCC U1 2 15 BS U2 3 14 BT VL1 4 13 IN VL2 5 12 OUT VH1 6 11 TU VH2 7 10 H L GND 8 9 U V IC500 MSC1169MS K 620 NC 1 8 NC IN 2 7 VCC IN 3 6 O...

Page 12: ...E3 TE2 TE1 VSS2 CK1 ECB STB SCB CNB CFB CDB SNB D6 D5 D4 D3 D2 D1 14 13 12 11 10 9 8 7 6 5 4 3 2 1 KDB KCB AVB UHF VLB TU MTB VDD1 HDB C S PD OSC2 OSC1 CK2 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AD2 AD1 B G R RLL VDD2 RHH M7 M8 M9 M10 PS1 VSS1 43 44 45 46 47 48 49 50 51 52 53 54 55 56 29 30 31 32 33 34 35 36 37 38 39 40 41 42 M11 ...

Page 13: ...ll inductance values are indicated in µH Antenna External Antenna Jack Tuner DC In Batteries Audio Amplifier Circuit Tuning Voltage Generator Circuit IF Detection Circuit Earphone Jack Speaker To Back Light To LCD Display Controller Circuit Chroma Circuit Display Voltage Generator Circuit 34 2 41 8 V 6 1 7 3 V 3 95 V Power Switch Power Supply Circuit 9 10 5 6 7 8 4 3 1 2 ...

Page 14: ...nce values are indicated in µH Antenna External Antenna Jack Tuner DC In Batteries Audio Amplifier Circuit Tuning Voltage Generator Circuit IF Detection Circuit Earphone Jack Speaker To Back Light To LCD Display Controller Circuit Chroma Circuit Display Voltage Generator Circuit 34 2 41 8 V 6 1 7 3 V 3 95 V Power Switch Power Supply Circuit 9 10 5 6 7 8 4 3 1 2 ...

Page 15: ...nce values are indicated in µH Antenna External Antenna Jack Tuner DC In Batteries Audio Amplifier Circuit Tuning Voltage Generator Circuit IF Detection Circuit Earphone Jack Speaker To Back Light To LCD Display Controller Circuit Chroma Circuit Display Voltage Generator Circuit 34 2 41 8 V 6 1 7 3 V 3 95 V Power Switch Power Supply Circuit 9 10 5 6 7 8 4 3 1 2 ...

Page 16: ... 14 To Linear Notes 1 All resistance values are indicated in ohms k 103 ohms M 106 ohms 2 All capacitance values are indicated in µF p 10 6 µF 3 All inductance values are indicated in µH BACK LIGHT ...

Page 17: ...00 pin 19 3 IC200 pin 18 4 IC300 pin 23 5 IC300 pin 12 6 IC300 pin 5 7 IC300 pin 4 8 IC300 pin 1 9 IC700 pin16 0 IC700 pin 14 64 µs 64 µs 64 µs 0 24 µs 64 µs 64 µs 64 µs 64 µs 130 ns 420 ns 2 0 V 0 8 V 0 1 V 0 8 V 1 8 V 3 0 V 3 0 V 0 8 V 3 0 V 3 0 V ...

Page 18: ...200 pin 18 4 IC300 pin 23 5 IC300 pin 12 6 IC300 pin 5 7 IC300 pin 4 8 IC300 pin 1 9 IC700 pin16 0 IC700 pin 14 63 5 µs 63 5 µs 63 5 µs 0 24 µs 63 5 µs 63 5 µs 63 5 µs 63 5 µs 130 ns 420 ns 2 0 V 0 8 V 0 1 V 0 8 V 1 8 V 3 0 V 3 0 V 0 8 V 3 0 V 3 0 V ...

Page 19: ...MA0900461A ...

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