Pioneer DEH-3770MP manuals

Pioneer DEH-3770MP Service Manual (76 pages)

Brand: Pioneer | Category: MP3/MP4 players | Size: 6.07 MB |

English

Table of contents

DEH-3750MP

1

SAFETY INFORMATION

2

CONTENTS

4

1. SPECIFICATIONS

5

2.1 PACKING

8

2.2 EXTERIOR

10

DEH-3750MP/XU/GS

11

(2) CONTRAST TABLE

12

2.3 CD MECHANISM MODULE

14

3.1 BLOCK DIAGRAM

16

TUNER AMP UNIT

22

3.3 KEYBOARD UNIT

24

GS,CN : CL-490SWFSD(12)

25

CS : CL-490S-WF-SD

25

D1803,D1804

25

KEYBOARD UNIT

25

40mA,14V

25

Decimal points for resistor

27

2.2 2R2

27

0.022 R022

27

CD CORE UNIT(S10.1)

30

4. PCB CONNECTION DIAGRAM

36

4.2 KEYBOARD UNIT

40

4.3 CD CORE UNIT(S10.1)

42

5. ELECTRICAL PARTS LIST

44

CAPACITORS

45

Miscellaneous Parts List

47

Motor Unit(LOADING/CARRIAGE)

47

6. ADJUSTMENT

48

T.Balance adjustment / T.Open

49

Grating waveform

51

6.3 ERROR MODE

52

- PCL Output

53

7. GENERAL INFORMATION

54

- Removing the Pickup Unit

56

ANTENNA JACK

57

REAR OUTPUT

57

7.2 PARTS

58

- Pin Functions(PD6340A)

60

- Pin Functions(UPD63763GJ)

61

- Pin Functions(PE5454A)

63

(DSP-201M-S00B) is necessary

65

7.2.2 DISPLAY

66

7.3 OPERATIONAL FLOW CHART

67

7.4 CLEANING

68

8. OPERATIONS

69

Pioneer DEH-3770MP User Manual (24 pages)

Brand: Pioneer | Category: MP3/MP4 players | Size: 2.15 MB |

English

Table of contents

CONTENTS

1

1. CIRCUIT DESCRIPTIONS

2

1.1.2 RF and RFAGC amplifiers

4

1.1.3 Focus error amplifier

5

1.1.4 RFOK

5

1.1.7 EFM

6

1.2.1 Focus servo system

7

1.2.2 Tracking servo system

8

Fig. 1.2.4 Single-track jump

9

1.2.3 Carriage servo system

11

1.2.4 Spindle servo system

12

1.3.3 EF bias auto-adjustment

13

1.3.4 Focus and tracking AGC

13

35 - 32 = 3 x 32mV = 96mV

15

Loading Mode Loading Mode

16

Carriage Mode

16

2. MECHANISM DESCRIPTIONS

19

- Clamp actions

20

- Eject actions

20

3. DISASSEMBLY

21

- Removing the CD Core Unit

22

- Removing the Pickup Unit

23

- Removing the Clamp Arm Assy

24

- Removing the Spindle Motor

24

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