Panasonic CQ-YH5070L, CQ-YH5071L, CQ-YH5072L, CQ-YH5074L Service Manual

5 (2)

Specification*

General

 

Power Supply

DC 12V (11V - 16V),

 

Test Voltage 13.2V

 

Negative Ground

Current Consumption

Less than 3.0A at 0.5W

Maximum Power Output

 

<CQ-YH5070L/5072L/5074A>

30W×4ch

<CQ-YH5071L>

20W×4ch

Output Impedance

4Ω

LW/MW Radio

 

Frequency Range

:

<LW Band>

153 - 279kHz

<MW Band>

531 - 1,611kHz

Usable Sensitivity

28dB/µV (S/N 20dB)

Signal to Noise Ratio

More than 42dB

ORDER No. 0149

AUTOMOTIVE ELECTRONICS

HONDA CQ-YH5070L/5071L CQ-YH5072L/5074A

LW/MW/UKW MPX ELECTRONIC TUNING RADIO with Cassette Player

HONDA PART No. (CQ-YH5070L): 39100-S6A-G100

HONDA PART No. (CQ-YH5071L): 39100-S6A-G000

HONDA PART No. (CQ-YH5072L): 39100-S6A-E102

HONDA PART No. (CQ-YH5074A): 39100-S5A-G100

VEHICLE : CIVIC

DESTINATION : EUROPE

PRODUCED AFTER (CQ-YH5070/5072L) : Nov., 2000 PRODUCED AFTER (CQ-YH5071L) : Feb., 2001 PRODUCED AFTER (CQ-YH5074A) : Dec., 2000 <NOTE>

For the unit ID CODE, please refer to next page.

UKW Stereo Radio

 

Frequency Range

87.5 - 108.0MHz

Usable Sensitivity

6dB/µV (S/N 30dB)

Seek Sensitivity

28dB/µV

Stereo Separation

More than 20dB

Dimensions** (W×H×D)

180×52×160mm

Weight**

1.4kg

*Specifications and the design are subject to possible modification without notice due to improvements.

**Dimensions and Weight shown are approximate.

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

“Dolby” and the double-D symbol are trade marks of Dolby Laboratories Licensing Corporation.

HONDA / CQ-YH5070L/5071L / CQ-YH5072L/5074A

CONTENTS

 

 

Page

 

 

Page

1

ID CODE

2

10

ALIGNMENT POINTS

10

2

FEATUERS

2

11

REPLACEMENT PARTS LIST

11

3

REAR VIEW

2

12

EXPLODED VIEW (Unit)

17

4

FRONT VIEW AND FUNCTIONS

3

13

TAPE PLAYER PARTS

18

5

WIRING CONNECTIONS

4

14

EXPLODED VIEW (Tape Deck)

20

6

BLOCK DIAGRAM

5

15

WIRING DIAGRAM

21

7

TERMINALS DESCRIPTION

6

16

SCHEMATIC DIAGRAM (1)

27

8

PACKAGE AND IC BLOCK DIAGRAM

7

17

SCHEMATIC DIAGRAM (2)

29

9

ALIGNMENT INSTRUCTIONS

10

 

 

 

1 ID CODE 3 REAR VIEW

±CQ-YH5070L : 1SC0

±CQ-YH5071L : 1CC0

±CQ-YH5072L : 1SC1

±CQ-YH5074A : 1SC3

2FEATUERS

±PLL (Phase Locked Loop) synthesized tuning.

±24-station preset (6-LW, 6-MW, 12-UKW)

±Scan Tuning.

±Cassette Tape Player Control.

±CD/MD player Control.

±CD/MD changer control.

±Electronic sound control function.

±GA-NET control function.

2

HONDA / CQ-YH5070L/5071L / CQ-YH5072L/5074A

4 FRONT VIEW AND FUNCTIONS

3

HONDA / CQ-YH5070L/5071L / CQ-YH5072L/5074A

5 WIRING CONNECTIONS

4

HONDA / CQ-YH5070L/5071L / CQ-YH5072L/5074A

6 BLOCK DIAGRAM

5

Panasonic CQ-YH5070L, CQ-YH5071L, CQ-YH5072L, CQ-YH5074L Service Manual

HONDA / CQ-YH5070L/5071L / CQ-YH5072L/5074A

7 TERMINALS DESCRIPTION

7.1.Main Block

IC601 : C2CBJG000156

Pin No.

Port

Description

I/O

(V)

1

AMP-MUTE

Power amp mute

O

0

2

NAVI-L-MUTE

Not used

-

-

3

MUTE

Mute output

O

0

4

AMP-ON

Power Amp stand-by

O

4.9

5

FL-MUTE

Front speaker Lch mute

O

4.9

6

FR-MUTE

Front speaker Rch mute

O

4.9

7

REAR-MUTE

Rear speaker mute

O

4.9

8

SYS-ACC

System ACC on

O

0

9

NAVI-R-MUTE

Not used

-

-

10

ACC CNT

ACC 5V power on/off

O

0

11

RESET

Reset input

I

4.9

12

XT2

Crystal oscillator terminal

-

2.5

13

XT1

Crystal oscillator terminal

-

2.3

14

VSS

Ground

-

0

15

X2

Crystal oscillator terminal

-

2.1

16

X1

Crystal oscillator terminal

-

2.0

17

REGOFF

(Connecting to ACC5V)

-

4.9

18

REGC

(Connecting to ACC5V)

-

4.9

19

VDD

+5V power supply

-

4.9

20, 21

NC

No connection

-

-

22

MS

MS detection

I

0

23

MS(PL/FF)

MS mode selection

O

0

24

T.LOAD

Tape loading detection

I

0

25

DOLBY

Dolby NR on/off

O

0

26

F/R

Tape head change

O

0

27

EQ(MTL)

Metal tape mode selection

O

4.9

28

A/B

Tape side detection

I

0

29

MSM

MS gain contrl

O

4.9

30

T.IN

Tape-in detection

I

0

31

LCD ON

LCD illumi. on/off

O

4.9

32

LCD-CE

LCD driver enable

O

0

33

LCD-CLK

Shift clock for LCD data

O

0

34

LCD-DI

LCD data

O

5.1

35

LCD-DO

LCD data

I

4.7

36

SD/VCONT

(ground pull-down)

-

0

37

M2F

Main motor control

O

0

38

CA.PON

Tape power control

O

4.7

39

CM.PON

Tape power control

O

4.6

40

VSS

Ground

-

0

41

VDD

+5V power supply

-

4.9

42

M2

Main motor control

O

0

43

M1-2

Loading motor control

O

0

44

M1-1

Loading motor control

O

0

45

BIT1

Tape mode switch

I

4.6

46

A.END

Tape end signal

I

1.5

47

B.END

Tape end signal

I

2.4

48

BIT2

Tape mode switch

I

4.6

49

EQ

Metal/Normal switchl

I

0

50

BIT3

Tape mode switch

I

0

51

CLOCK

(+5V pull-up)

-

4.9

52

POWER

Power switch I

4.9

 

53

SEC-LED

Security LED on/off

O

4.9

54

TEL-MUTE

Telephon mute

I

0

55

AM/FM

AM/FM selection

O

4.9

56

R.ON

Radio power on/off O

4.9

 

57

SEC2

(Ground pull-down)

-

0

58

SEC-CS

Security ROM chip select

O

0

59

SEC-CLK

Shift clock for security ROM

O

0

60

SEC-DI

Serial data

I

1.0

61

SEC-DO

Serial data

O

0

62

NC(ASTB)

(Ground pull-down)

-

-

63

REMO

(Ground pull-down)

-

0

64

3/4

(Ground pull-down)

-

0

65

RDS-CLK

Shift clock for RDS data

I

2.5

66

RDS-DATA

RDS data

I

2.5

67

SEC-SEL

(Ground pull-down)

-

0

68

RMODE

Radio mode

O

4.9

69

SD.ST

FM stereo detection

I

4.9

70

AREA SEL

Ground pull-down)

-

0

71, 72

NC

No connection

-

-

73

TESTMODE

(Connecting to ground)

-

0

74

VSM

Phase diff. level detection

I

0

75

MP

FM tuner multipass

I

0

76

NOISE

Adjustment station detection

I

0

77

REMOCON

Not uesd

-

-

78

RDS-MUTE

RDS mute

O

4.9

79

TEST

(+5V pull-up)

-

5.0

80

VOL CLK

Electronic volume clock

O

0

81

VOL DATA

Electronic volume data

O

0

82

AVDD

+5V power supply

-

4.9

83

AVREF1

Analog reference voltage

I

4.8

84

AVSS

Ground

-

0

85

LAN-IN

LAN data input

I

0

86

LAN-OUT

LAN data output

O

0

87

NC

(Connecting to ground)

-

0

88

VOL-A

Rotary encoder data

I

5.0

89

VOL-B

Rotary encoder data

I

5.0

90

BAT-DET

Battery level detection

I

4.9

91

VOL-C

Rotary encoder data

I

0.9

92

ACC-DET

ACC level detection

I

4.9

93

EJECT

Tape eject SW

I

4.6

94

VOL-D

Rotary encoder data

I

0.9

95

PLL-DO

PLL data

O

0

96

PLL-CLK

Shift clock for PLL data

O

0

97

PLL-DI

PLL data

I

5.1

98

PLL-CE

PLL chip select

O

0

99

BEEP

Beep output

O

0

100

P.CONT

System power on/off

O

4.9

Note :

Voltage measuerments are with respect to ground, with a voltmeter (Internal resistance : 10M ohms.)

7.2.Display Block

IC901 : YEAMLC75854

Pin No.

Port

Description

I/O

(V)

1-6

P1-6

Not used

-

-

7-39

S33-1

LCD segment data

O

2.5

40-43

COM1-4

LCD common

O

2.5

44-47

KS1-4

Key strobe

O

0.9

48,49

KS5,6

Not used

-

-

50-53

KI1-4

Key data

I

0

54

KI5

Not used

-

-

55

TEST

(Connecting to ground)

-

0

56

VDD

+5V power supply

-

5.1

57

VDD1

LCD angle

-

3.3

58

VDD2

LCD angle

-

1.7

59

VSS

Ground

-

0

60

OSC

Oscillator terminal

-

3.9

61

DO

Key data output

O

4.4

62

CE

LCD driver chip enable

I

0

63

CL

Shift clock for LCD data

I

0

64

DI

LCD data input

I

0

6

HONDA / CQ-YH5070L/5071L / CQ-YH5072L/5074A

8 PACKAGE AND IC BLOCK DIAGRAM

PK50 : YEAU03340E02

IC204 : C1BB00000284

IC250 : C1BA00000332

7

HONDA / CQ-YH5070L/5071L / CQ-YH5072L/5074A

IC461 : YEAMAA6759TT

IC471 : YEAMLC72146T

IC604 : MN1382KTX

IC605 : YEAMH12187ER

8

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