2.1.6 MAIN CPU PIN FUNCTION (IC7601 : M306V7FGF-088FP) [DIGITAL SIGNAL PWB ASS’Y]

Pin

Port

Pin name

I/O

Function

 

 

 

 

 

1

VHOLD1

VHOLD1

I

Data slice for main screen closed caption

 

 

 

 

 

2

HFLT1

HFLT1

I/O

LPF for main screen closed caption video input

 

 

 

 

 

3

P9.4

 

O

Not used

 

 

 

 

 

4

P9.3

 

O

Not used

 

 

 

 

 

5

P9.2

DIGRO

O

R [0] for OSD

 

 

 

 

 

6

P9.1

TB1IN

I

AC power for timer clock

 

 

 

 

 

7

P9.0

REMO

I

Remote control

 

 

 

 

 

8

BYTE

BYTE

I

Data bus width select [L = 16bit (fixed)]

 

 

 

 

 

9

CNVss

CNVss

I

CPU programming mode select [Normal = L]

 

 

 

 

 

10

P8.7

DIGGO

O

G [0] for OSD

 

 

 

 

 

11

P8.6

DIGBO

O

B [0] for OSD

 

 

 

 

 

12

RESET

RESET

I

Reset for main CPU [Reset = L]

 

 

 

 

 

13

XOUT

XOUT

O

System clock osillation (crystal) : 16MHz

 

 

 

 

 

14

Vss

Vss

-

GND

 

 

 

 

 

15

XIN

XIN

I

System clock osillation (crystal) : 16MHz

 

 

 

 

 

16

VccI

VccI

I

3.3V stand-by power supply

 

 

 

 

 

17

OSC1

OSC1

I

Clock for OSD

 

 

 

 

 

18

OSC2

OSC2

O

Not used : Clock for OSD

 

 

 

 

 

19

P8.3

INT1

I

AV COMPULINK control

 

 

 

 

 

20

P8.2

INT0

I

Request for sub(chassis) CPU communication

 

 

 

 

(serial data)

21

OUT1

OUT1

O

Ys (blanking) for OSD

 

 

 

 

 

22

OUT2

OUT2

O

YM (transparence) for OSD

 

 

 

 

 

23

P7.7

 

O

Not used

 

 

 

 

 

24

P7.6

 

O

Not used

 

 

 

 

 

25

P7.5

 

O

Not used

 

 

 

 

 

26

P7.4

 

O

Not used

 

 

 

 

 

27

P7.3

CTA2/RTS2

O

Not used : Digital tuner control

 

 

 

 

 

28

P7.2

CLK2

O

Not used : Digital tuner control

 

 

 

 

 

29

P7.1

RxD2

I

Not used : Digital tuner control

 

 

 

 

 

30

P7.0

TxD2

O

Not used : Digital tuner control

 

 

 

 

 

31

P6.7

SDA2

I/O

Not used

 

 

 

 

 

32

DIGR1

DIGR1

O

R [1] for OSD

 

 

 

 

 

33

DIGG1

DIGG1

O

G [1] for OSD

 

 

 

 

 

34

DIGB1

DIGB1

O

B [1] for OSD

 

 

 

 

 

35

P6.3

TxDO

I

Data receive (serial) for external programming

 

 

 

 

 

36

P6.2

RxDO

O

Data transmission (serial) for external programming

 

 

 

 

 

37

P6.1

CLKO

I

Clock for external programming

 

 

 

 

 

38

P6.0

RTSO

O

Busy for external programming [Operation = H]

 

 

 

 

 

39

P5.7

 

I

Not used

 

 

 

 

 

40

P5.6

 

O

Not used

 

 

 

 

 

41

HOLD

HOLD

I

CPU programming mode select [Normal = H]

 

 

 

 

 

42

P5.4

 

O

Not used

 

 

 

 

 

43

P5.3

 

O

Not used

 

 

 

 

 

44

P5.2

 

O

Not used

 

 

 

 

 

45

P5.1

 

O

Not used

 

 

 

 

 

46

P5.0

WR

O

CPU programming mode select [Normal = L]

 

 

 

 

 

47

P4.7

MICON_TX

O

Data transmission for sub(chassis) CPU

 

 

 

 

communication (serial)

48

P4.6

MICON_RX

I

Data receive for sub(chassis) CPU communication

 

 

 

 

(serial)

49

P4.5

MI_CLK

I

Clock for sub(chassis) CPU communication (serial)

 

 

 

 

 

50

P4.4

 

O

Not used

 

 

 

 

 

Pin

Port

Pin name

I/O

Function

 

 

 

 

 

 

 

51

P4.3

 

O

Not used

 

 

 

 

 

 

 

52

P4.2

 

O

Not used

 

 

 

 

 

 

 

53

P4.1

 

O

Not used

 

 

 

 

 

 

 

54

P4.0

 

O

Not used

 

 

 

 

 

 

 

55

P3.7

 

O

Not used

 

 

 

 

 

 

 

56

P3.6

 

O

Not used

 

 

 

 

 

 

 

57

P3.5

 

O

Not used

 

 

 

 

 

 

 

58

P3.4

 

O

Not used

 

 

 

 

 

 

 

59

P3.3

 

O

Not used

 

 

 

 

 

 

 

60

P3.2

 

O

Not used

 

 

 

 

 

 

 

61

P3.1

 

O

Not used

 

 

 

 

 

 

 

62

HSYNC

HSYNC

I

H. sync for OSD

 

 

 

 

 

 

 

63

P3.0

 

O

Not used

 

 

 

 

 

 

 

64

VSYNC

VSYNC

I

V. sync for OSD

 

 

 

 

 

 

 

65

P2.7

 

O

Not used

 

 

 

 

 

 

 

66

P2.6

 

O

Not used

 

 

 

 

 

 

 

67

P2.5

 

O

Not used

 

 

 

 

 

 

 

68

P2.4

 

O

Not used

 

 

 

 

 

 

 

69

P2.3

 

O

Not used

 

 

 

 

 

 

 

70

P2.2

 

O

Not used

 

 

 

 

 

 

 

71

P2.1

 

O

Not used

 

 

 

 

 

 

 

72

P2.0

 

O

Not used

 

 

 

 

 

 

 

73

P1.7

 

O

Not used

 

 

 

 

 

 

 

74

P1.6

 

O

Not used

 

 

 

 

 

 

 

75

P1.5

 

O

Not used

 

 

 

 

 

 

 

76

P1.4

 

O

Not used

 

 

 

 

 

 

 

77

P1.3

 

O

Not used

 

 

 

 

 

 

 

78

P1.2

 

O

Not used

 

 

 

 

 

 

 

79

P1.1

 

O

Not used

 

 

 

 

 

 

 

80

P1.0

 

O

Not used

 

 

 

 

 

 

 

81

P0.7

 

O

Not used

 

 

 

 

 

 

 

82

P0.6

 

O

Not used

 

 

 

 

 

 

 

83

P0.5

 

O

Not used

 

 

 

 

 

 

 

84

P0.4

WAKE

O

Reset for sub(chassis) CPU

 

 

 

 

 

 

85

P0.3

CARD_DET

I

Not used : Card detection for ATSC digital tuner

 

 

 

 

 

86

P0.2

POWER_SW

I

Not used : Power switch (mechanical) detection

 

 

 

 

 

 

87

P0.1

SDA0

I/O

Data for Inter IC (serial) bus control

: memory

 

 

 

 

 

 

88

P0.0

SCL0

O

Clock for Inter IC (serial) bus control

: memory

 

 

 

 

 

 

89

P10.7

DIGR2

O

R [2] for OSD

 

 

 

 

 

 

 

90

P10.6

DIGG2

O

G [2] for OSD

 

 

 

 

 

 

 

91

P10.5

DIGB2

O

B [2] for OSD

 

 

 

 

 

 

 

92

P10.4

 

O

Not used

 

 

 

 

 

 

93

P10.3

KEY1

I

Key scan data for front control button

 

 

 

 

(MENU/CH+/CH-) KEY2

 

94

P10.2

KEY0

I

Key scan data for front control button

 

 

 

 

(VOL+/VOL-) KEY1

 

95

VHOLD2

VHOLD2

I

Data slice for sub screen closed caption

 

 

 

 

 

96

HLF2

HLF2

I/O

LPF for sub screen closed caption video input

 

 

 

 

 

97

CVIN2

CVIN2

I

Video(Y) for sub screen closed caption

 

 

 

 

 

 

98

TVSETB

TVSETB

I

Test terminal [L Fixed]

 

 

 

 

 

 

 

99

VCCE

VCCE

I

5V stand-by power supply

 

 

 

 

 

 

100

CVIN1

CVIN1

I

Video(Y) for main screen closed caption

 

 

 

 

 

 

1-8 (No.YA092B)

Page 8
Image 8
JVC HD-52Z575 service manual Pin Port Pin name Function

HD-52Z575 specifications

The JVC HD-52Z575, HD-61Z585, HD-61Z575, and HD-52Z585 are high-definition rear-projection televisions that were part of JVC's impressive line-up in the early 2000s. These models showcased the brand's commitment to providing quality home theater experiences with advanced features and technologies.

One of the standout characteristics of these models is their use of D-ILA (Direct-Drive Image Light Amplifier) technology. D-ILA is a type of liquid crystal display technology similar to LCoS (Liquid Crystal on Silicon) that enhances picture quality by delivering deeper blacks and more vibrant colors. This technology enables the TVs to produce stunning visuals with impressive contrast ratios, making them ideal for various viewing environments.

These models are available in different screen sizes, with HD-52Z575 and HD-52Z585 featuring 52-inch screens, while the HD-61Z585 and HD-61Z575 boast larger 61-inch displays. This range offers versatility for consumers, catering to different room sizes and viewing preferences.

All four models support 1080p resolution, providing an exceptional level of detail and clarity for HD content. This feature makes them suitable for viewing high-definition broadcasts, Blu-ray films, and gaming, allowing users to immerse themselves in their favorite content. The screens also feature a wide viewing angle, ensuring that everyone in the room gets a good view without compromising picture quality.

Connectivity is another strength of these JVC models. Equipped with multiple HDMI ports, component video inputs, and composite inputs, these televisions provide compatibility with a wide range of devices, from gaming consoles to DVD players. Users can easily connect their favorite devices, expanding their entertainment options.

In terms of audio, these JVC TVs are built to complement their visual capabilities, featuring integrated speakers that deliver decent sound quality for everyday use. For those who seek an enhanced audio experience, they offer optical digital audio outputs for external sound systems.

In conclusion, the JVC HD-52Z575, HD-61Z585, HD-61Z575, and HD-52Z585 are notable for their advanced display technologies, high-definition resolutions, and versatile connectivity options. Their D-ILA technology ensures a superior viewing experience, making these rear-projection TVs a compelling choice for any home theater enthusiast looking to enjoy high-quality visuals and sound. Although released in the early 2000s, these models remain a testament to JVC's dedication to innovation and excellence in the television market.