Yamaha RX-750 manuals

Yamaha RX-750 Service Manual (128 pages)

Brand: Yamaha | Category: AV receivers | Size: 18.61 MB |

Japanese

Table of contents

RX-V750/DSP-AX750/DSP-AX750SE

1

RX-V650/HTR-5760

1

■ TO SERVICE PERSONNEL

2

■ IMPEDANCE SELECTOR

3

■ FRONT PANELS

4

■ REMOTE CONTROL PANELS

6

■ REAR PANELS

7

▼ RX-V750 (K model)

8

▼ RX-V750 (A model)

8

▼ RX-V750 (G model)

8

▼ RX-V750 (L model)

9

▼ DSP-AX750 (J model)

9

▼ DSP-AX750SE (B model)

9

▼ RX-V650 (U, C models)

10

▼ RX-V650 (R model)

10

▼ RX-V650 (T model)

10

▼ RX-V650 (K model)

11

▼ RX-V650 (A model)

11

▼ RX-V650 (B model)

11

▼ RX-V650 (G, E models)

12

▼ RX-V650 (L model)

12

▼ HTR-5760 (U, C models)

12

▼ HTR-5760 (T model)

13

▼ HTR-5760 (K model)

13

▼ HTR-5760 (A model)

13

■ SPECIFICATIONS / 参考仕様

14

FMチューナー部

15

AMチューナー部

15

● SET MENU TABLE / セットメニュー

17

■ INTERNAL VIEW

19

3. サブシャーシの外し方

21

4. P.C.B.ユニットの外し方

22

5. MAIN (1) P.C.B. の動作チェック

23

6. MAIN (2) P.C.B. の動作チェック

24

 

27

 

27

 

27

DIAGNOSTIC MENU

28

PS PRT :000 Z

29

DC PRT :000 Z

29

TMP PRT:000 Z

29



30



30

Details of DIAG menu

31



31

2.ANALOG BYPAS

32

2.DSP BYPASS

32

3.RAM MARGIN

33

3.RAM FULL BIT

33

4.PRO LOGIC I

34

4.PRO LOGIC II

34

4. Neo:6

34



35

5. SPEAKERS SET

35

6.6CH INPUT_6

36

6.6CH INPUT_8

36

7.MIC CHK --dB

36

8.VFD CHEC

37

9. MANUAL TEST

38

10.PRESET INHI

39

10.PRESET RSRV

39

DC:008 PS:030

40

THM:092 Fan_/_

40

REC-OUT:186

40

K0:100 K1:100

41

IMP:8 PL:000

41

IS1:3300020000

42

L:10011100

42

H:10011000

42

IS2:0300FFFF

43

CS1:FFFFFFFFFF CS5:00000000

43

YSS BUS:NoEr

44

SD BUS:NoEr

44

BS1:0000000000 BS7:700D

44

TI1:0000000000 TI2:00

44

MTT:00180018FF

44



45

16. SOFT SWITCH

45

PORT:00000110

46

VER. Z0403

46

CHECK SUM:D122

46

AAC PORT:ON

46

■ AMP CHECK / アンプチェック

47

■ DISPLAY DATA

48

● ANODE CONNECTION

49

■ IC DATA

50

Detector

52

O: digital output terminal

57

A: Analog terminal

57

■ BLOCK DIAGRAM / ブロックダイアグラム

61

DSP P.C.B

63

FUNCTION (1) P.C.B

64

AM/FM TUNERMAIN (2) CB122

65

FUNCTION (3) P.C.B

66

FUNCTION (4) P.C.B

66

FUNCTION (2)

67

OPERATION (1) P.C.B

68

OPTICAL LR VIDEO

69

OPERATION (1)

71

MAIN (1) P.C.B

72

MAIN (5) P.C.B

72

MAIN (6) W16

73

POWER (1) P.C.B

74

POWER (2) P.C.B

74

● R, L models

74

SUB TRANS P.C.B

75

CONVERSION (1) P.C.B

76

CONVERSION (2) P.C.B

76

POWER (1)

77

● Transistors

78

● Diodes

78

■ SCHEMATIC DIAGRAM (DSP)

79

/V DC electronic volt meter

80

* 電圧は、内部抵抗10MΩの電圧計で測定したものです。

81

パーツリストに記載されている部品を使用してください。

81

DISPLAY DRIVER

83

OPTIMIZER MIC AMP

83

■ SCHEMATIC DIAGRAM (MAIN)

85

X: NOT USED

86

O: USED / APPLICABLE

86

PARTS LIST

89

P.C.B. DSP

90

P.C.B. DSP & FUNCTION

93

P.C.B. FUNCTION

94

P.C.B. OPERATION

100

HTR-5760

101

P.C.B. OPERATION & MAIN

103

P.C.B. MAIN

104

P.C.B. MAIN & POWER

109

P.C.B. POWER

110

P.C.B. POWER & SUB TRANS

112

P.C.B. SUB TRANS

113

P.C.B. CONVERSION

114

CHIP RESISTORS

120

1/4W Type

121

1/6W Type

121

■ EXPLODED VIEW

122

■ MECHANICAL PARTS

122



123

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