Pioneer KEHP-9700-R, KEHP-9750 Service manual

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880

C PIONEER ELECTRONIC CORPORATION 1998

K-ZEU MAY 1998 Printed in Japan

ORDER NO.

CRT2197

MULTI-CD/MD/DAB CONTROL DSP HIGH POWER CASSETTE PLAYER WITH RDS TUNER

Se

r

vic

e

M

a

nu

a

l

KEH-P9700R EW

NOTE:

- See the separate manual CX-631(CRT1640) for the cassette mechanism description.

- The cassette mechanism assy employed in this model is one of 2L series

- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

- This service manual does not describe the CD test mode. For the operations in the CD test mode, refer to the CD player's Service Manual.

KEH-P9750 ES

CONTENTS

1. SAFETY INFORMATION............................................2

2. EXPLODED VIEWS AND PARTS LIST......................2

3. SCHEMATIC DIAGRAM...........................................10

4. PCB CONNECTION DIAGRAM................................31

5. ELECTRICAL PARTS LIST........................................45

6. ADJUSTMENT.........................................................58

7. GENERAL INFORMATION.......................................60

7.1PARTS .................................................................60

7.1.1 IC...............................................................60

7.1.2 DISPLAY...................................................70

7.2DIAGNOSIS........................................................71

7.2.1 DISASSEMBLY.........................................71

7.3EXPLANATION ...................................................72

7.3.1 BLOCK DIAGRAM....................................72

8. OPERATIONS AND SPECIFICATIONS....................74

KEH-P9750/ES

MULTI-CD CONTROL DSP HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER

A

23

64(2/2)

72

157

65

23

21

30

33

2

63

62

14

15

20

56

57

133

160

37

23

58

53

41

32

34 31 22

21

24

78

126

29

50

49

46

61

51

44

43

45

36

110

81

101

92

24

90

107 90

16

158

82

159

82

25

94

83

24

114

93

115

1

13

2

155

35

162

12

26

129

28

127

127 130 128

132 131

1

95

125

156

106

79

121

124

123

99

88

80

96

113

84

116

88

81

101

90

101

108

102

101

90

102

118

87

10

90

117

98 91 119

98

91

90

120

105

85

104

85

105

86

109

111

8989111

100

86

103

9

11

8

122

19

54

39

52

48

40

77

76

75

73

64(1/2)

55

42

66

69

71

70

68

67

47

161

20

59

38

60

97

17

163

27

18

4

KEH-P9700R,P9750

2.2 EXTERIOR

5

KEH-P9700R,P9750

164

167

165

167

166

3

6

5

7

6

4

154

142

137

139

141

144

140

138

136

148

146

150

112

151

149

145

134

143

152

147

153

135

6

KEH-P9700R,P9750

1 Screw BSZ26P050FMC 2 Screw BSZ30P055FMC 3 Cord Assy(EW) CDE5668 4 Fuse 10A(EW) CEK1136 5 Cap(EW) CKX-003

6 Cap(EW) CNS1472 7 Resistor(EW) RS1/2PMF102J 8 Screw CBA1002 9 Spring CBH-865

10 Handle CNC5395 11 Bush CNV1917

12 Holder CNC6798 13 Shield CNC7609 14 Earth Terminal(EW) CNC8019

Earth Terminal(ES) CNC7358

15 Spacer CNM4913 16 Spacer CNM6052 17 Panel(EW) CNS4553

Panel(ES) CNS4320

18 Cap CNV2680 19 IC(IC251) TDA7386

20 Screw ASZ26P055FUC 21 Screw BMZ30P180FMC 22 Screw BSZ26P080FMC 23 Screw BSZ30P055FMC

24 Screw CBA1447 25 Cord Assy CDE5588 26 Cord Assy CDE5663 27 Cord Assy CDE5664 28 Antenna Cord CDH1251

29 Holder CNC4963 30 Holder CNC7566 31 Holder CNC7753 32 Insulator CNM5628 33 Cushion CNM5811

34 Cushion CNM5812

* 35 Lock Tie CNV-754

36 Tuner Amp Unit(EW) CWM5781

Tuner Amp Unit(ES) CWM5782

37 Screw ASZ26P100FMC 38 Screw BMZ26P200FMC

39 Clamper CEF1006 40 Clamper CEF1009 41 Terminal(CN402) CKF1059 42 Plug(CN251) CKM1278

43 Plug(CN951) CKS-783 44 Plug(CN952) CKS-784 45 Plug(CN171) CKS-786 46 Plug(CN803) CKS1222 47 Plug(CN804) CKS1225

48 Plug(CN201) CKS1246 49 Connector(CN801) CKS1564 50 Connector(CN751) CKS1730 51 Connector(CN953) CKS3124 52 Connector(CN101) CKS3781

53 Antenna Jack(CN401) CKX1010 54 Holder CNC7554 55 Holder CNC8008 56 Holder CNC8016 57 Heat Sink CNC8020

58 Holder CNC8021 59 Insulator CNM4684 60 Heat Sink CNR1468 61 Holder CNV1906 62 FM/AM Tuner Unit(EW) CWE1416

FM/AM Tuner Unit(ES) CWE1485 63 Holder CNC6555 64 ASL Unit CWM5783 65 Connector(CN302) CDE5667

* 66 Plug(CN701) CKS1058

67 Plug(CN703) CKS1624 68 Connector(CN301) CKS2191 69 Connector(CN601) CKS3582 70 Holder CNC6676 71 Holder CNC8017

72 Holder CNV5375 73 DSP Unit(EW) CWX2237

DSP Unit(ES) CWX2238 74 Connector(CN3001) CKS3782 75 Case CNC8014

76 Case CNC8015 77 Insulator CNM5626 78 Chassis Unit(EW) CXB2231

Chassis Unit(ES) CXB2296 79 Screw BMZ20P030FMC

80 Screw BMZ20P030FZK 81 Screw BPZ20P060FMC 82 Screw CBA1060 83 Screw CBA1061 84 Screw CBA1070

85 Screw CBA1082 86 Screw CBA1430 87 Screw CBA1454 88 Washer CBF-046 89 Washer CBF1038

90 Washer CBF1039 91 Spring CBH2063 92 Spring CBH2086 93 Cord CDE5587 94 Cord CDE5712

- Parts List

Mark No. Description Part No. Mark No. Description Part No.

7

KEH-P9700R,P9750

95 Cord CDE5713 96 Connector CDE5738 97 Socket CKS2497 98 Roller CLA3458 99 Arm CNC1280

100 Frame CNC7548 101 Spacer CNM5808 102 Spacer CNM5988 103 PCB CNP5068 104 Cover CNS4841

105 Holder CNV2141 106 Gear CNV5271 107 Gear Unit CNV5272 108 Gear CNV5273 109 Rack CNV5274

110 Lighting Conductor CNV5287 111 Guide CNV5356 112 EL(EL1901) CEL1580 113 Switch CSN-088 114 Jack(CN4602) CKN1015

115 Plug(CN4601) CKS-786 116 Holder Unit CXA8599 117 Arm Unit CXB2215 118 Frame Unit CXB2216 119 Holder Unit CXB2217

120 Arm Unit CXB2218 121 Bracket Unit CXB2598 122 Panel Unit CXB2678

Panel Unit CXB2679

123 Door CAT1963 124 Spring CBH2184

125 Motor(M951) CXM1085 126 Guide Unit CXB3234 127 Screw BSZ26P050FMC 128 Clip MBK9001

129 Cord MDE9019 130 Holder MNC9008 131 Holder MNC9009 132 Inverter Unit MWM9026 133 IC(IC901) PA2024A

134 Detach Grille Assy(EW) CXB2610

Detach Grille Assy(ES) CXB2611 135 Screw BPZ20P080FZK 136 Button(+,-) CAC5486 137 Button(EJECT) CAC5488

138 Button(EW)(S/A,CLOCK) CAC5491

Button(ES)(S/A,CLOCK) CAC5490 139 Button(TRACK) CAC5494 140 Button(P,D) CAC5498 141 Button CAC5499

142 Button(S) CAC5504 143 Spacer CNM5910 144 Spacer CNM6021 145 Keyboard Unit(EW) CWM5688

Keyboard Unit(ES) CWM5689

* 146 LCD(LCD1901) CAW1471

147 Plug(CN1901) CKS2496 148 Holder CNC7547 149 Spacer CNM5622 150 Spacer CNM5623

151 Spacer CNM5894

* 152 PCB CNP5063

153 Cover Unit(EW) CXB2208

Cover Unit(ES) CXB2207

154 Grille Unit(EW) CXB2223

Grille Unit(ES) CXB2224 155 Case Unit CXB3114 156 Cassette Mechanism Module EXK3375 157 Microphone(MIC301) CPM1011 158 Switch(S951) CSN1012

159 Switch(S952) CSN1022 160 IC(IC902) NJM7805FA 161 Lamp(IL801) CEL1359 162

Remote Control Assy(EW) CXB2659

Remote Control Assy(ES) CXB2656

163 Battery Cover CNS5032 164 Cord Assy(ES) CDE5669 165 Cap(ES) CNS1472 166 Fuse 10A(ES) CEK1136 167 Resistor(ES) RS1/2PMF102J

Mark No. Description Part No.

8

KEH-P9700R,P9750

2.3 CASSETTE MECHANISM MODULE

9

KEH-P9700R,P9750

- CASSETTE MECHANISM MODULE

- PARTS LIST

Mark No. Description Part No.

1 Screw BSZ20P040FMC 2 Washer CBF1037 3 Washer CBF1038 4 Washer CBG1003 5 Deck Unit EWM1020 6 Screw EBA1028 7 Screw EBA1037 8 Spring EBH1531 9 Spring EBH1575

10 Cushion EWM1034 11 Spring EBH1515

12 Spring EBH1587 13 Spring EBH1517 14 Spring EBH1518 15 Spring EBH1519

16 Spring EBH1537 17 Cord EDD1015 18 Photo-interrupter

(EGN2,3) EGN1006

19 Photo-interrupter(EGN1) EGN1005 20 Roller ENR1031

21 Shaft ELA1373 22 Pinch Roller ENV1518 23 Arm ENC1489 24 Arm ENC1397 25 Guide ENC1398

26 Holder ENC1417 27 Lever ENC1448 28 Arm ENC1488 29 Motor EXM1027 30 Belt ENT1027

31 Gear ENV1347 32 Pulley ENV1503 33 Gear ENV1350 34 Flywheel ENV1410 35 Worm Gear ENV1439

36 Worm Wheel ENV1440 37 Gear ENR1028 38 Lever ENV1442 39 Arm ENV1525 40 Gathering P.C.Board ENX1037

41 P.C.Board ENP1152 42 Switch(S1,S2) ESG1004 43 Motor Unit(M2) EXA1485 44 Chassis Unit EXA1511 45 Pinch Holder ENV1485

46 Pinch Holder ENV1486 47 Reel Unit EXA1543 48 Head Base Unit EXA1457 49 Lever Unit EXA1438 50 Gear Unit EXA1436

51 Frame Unit EXA1458 52 Lever Unit EXA1439 53 Head Assy(HD1) EXA1527 54 Motor Unit(M1) EXA1490 55 Washer HBF-179

56 Screw BMZ20P022FMC 57 Spring EBH1545 58 Washer YE20FUC 59 Pinch Holder Unit EXA1529 60 Pinch Holder Unit EXA1528

61 Resistor(R1) RD1/4PM181J 62 Connector(CN253) CKS2129 63 Connector(CN251) CKS1711 64 Connector(CN252) CKS2127 65 •••••

66 Shield ENC1410

10

KEH-P9700R,P9750

A

1

234

B

C

D

12

34

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

A-a A-b

A-a

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

10k(B)

22k(B)

REMOTE CONTROL INPUT

MIC JACK UNIT

G

H

CASSETTE

MECHANISM

MODULE

B

FM/AM TUNER UNIT

C

ASL PCB

K

SWITCH PCB

M951 CXK1085

A-a

A

C

D

K

DFS ALARM

UNBALANCE-BALANCE CONVERTER

10k(B)

REMOTE CONTROL INPUT

E

D

MIC PCB

A

TUNER AMP UNIT

F

ASL UNIT Consists of

ASL PCB MIC PCB

680K

CTH1127

CEK1136

11

KEH-P9700R,P9750

5

6

7

8

A

B

C

D

5

6

7

8

A

A-b

C

D

12

KEH-P9700R,P9750

A

1

234

B

C

D

12

34

10k(B)

B

FM/AM TUNER UNIT

C

ASL PCB

D

MIC

680K

A-a

A-b

C

D

13

KEH-P9700R,P9750

5

6

7

8

A

B

C

D

5

6

7

8

22k(B)

REMOTE

CONTROL

INPUT

MIC

JACK

UNIT

G

H

CASSETTE

MECHANISM

MODULE

E

K

SWITCH PCB

M951

CXK1085

A-a

A-b

K

14

KEH-P9700R,P9750

A

1

234

B

C

D

12

34

UNBALANCE-BALANCE CONVERTER

A

TUNER AMP UNIT

F

ASL UNIT

Consists of

ASL PCB

MIC PCB

A-a

A-b

C

15

KEH-P9700R,P9750

5

6

7

8

A

B

C

D

5

6

7

8

DFS ALARM

CTH1127

CEK1136

A-b

A-a

A-b

16

KEH-P9700R,P9750

A

1

234

B

C

D

12

34

3.2 FM/AM TUNER UNIT

B

- KEH-P9700R/EW

A

B

17

KEH-P9700R,P9750

5

6

7

8

A

B

C

D

5

6

7

8

B

18

KEH-P9700R,P9750

A

1

234

B

C

D

12

34

B

- KEH-P9750/ES

19

KEH-P9700R,P9750

5

6

7

8

A

B

C

D

5

6

7

8

B

20

KEH-P9700R,P9750

A

1

234

B

C

D

1

2

34

3.3 CASSETTE MECHANISM MODULE

H

A