PIONEER AVX-7600/EW Service Manual

PIONEER AVX-7600/EW Service Manual
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Service Manual for PIONEER AVX-7600/EW, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

Immediate download after payment.
Delivered as a PDF file.
The manual has 108 pages
File size: 12.05 MB
Available language versions: English
Different language versions may vary sligthly in file size and page count.

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Sample pages

ORDER NO.

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

PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.

PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 2004

AVX-7600/EW

CRT3234

7 INCH WIDE AV SYSTEM DISPLAY

AVX-7600

/EW

AVX-7650/ES

For details, refer to "Important symbols for good services".

K-ZZU.MAY 2004 printed in Japan

ORDER NO.

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

PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.

PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 2004

AVX-7600/EW

CRT3234

7 INCH WIDE AV SYSTEM DISPLAY

AVX-7600

/EW

AVX-7650/ES

For details, refer to "Important symbols for good services".

K-ZZU.MAY 2004 printed in Japan

AVX-7600/EW

SAFETY INFORMATION

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replaced only with the same or equivalent type recommended by the manufacture.

Discord used batteries according to the manufacture's instructions.

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replaced only with the same or equivalent type.

Battery

Slide the tray out on the back of the

remote controller and insert the battery

with the (+) and () poles pointing in

the proper direction.

Note :

· Use a CR2025 (3V) lithium battery

only. Never use other types of battery

with this unit.

- Inverter for LCD back light becomes a high voltage.

NOTE:

- Service Precaution

1. You should conform to the regulations governing the product

(safety, radio and noise, and other regulations), and should keep

the safety during servicing by following the safety instructions

described in this manual.

AVX-7600/EW

[ Important symbols for good services ]

In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.

When you find the procedures bearing any of the symbols, be sure to fulfill them:

2. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.

In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,

proper cleaning should be performed to restore their performances.

5. Lubricants, glues, and replacement parts

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying

glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the

prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed

ones should be used.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or

the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and

should keep the safety during servicing by following the safety instructions described in this manual.

AVX-7600/EW

CONTENTS

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

1. SPECIFICATIONS ............................................................................................................................................ 5

2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 8

2.1 PACKING ................................................................................................................................................... 8

2.2 EXTERIOR(1) .......................................................................................................................................... 10

2.3 EXTERIOR(2) .......................................................................................................................................... 12

2.4 EXTERIOR(3) .......................................................................................................................................... 14

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................16

3.1 BLOCK DIAGRAM ................................................................................................................................... 16

3.2 OVERALL CONNECTION DIAGRAM...................................................................................................... 18

3.3 MOTHER(1/2) PCB(GUIDE PAGE).......................................................................................................... 20

3.4 MOTHER(2/2) PCB .................................................................................................................................. 26

3.5 RELAY PCB(EW) ..................................................................................................................................... 27

3.6 MONITOR PCB(GUIDE PAGE)................................................................................................................ 28

3.7 INVERTER PCB....................................................................................................................................... 34

3.8 KEYBOARD UNIT.................................................................................................................................... 36

3.9 MAIN UNIT, SW UNIT AND VOLUME UNIT ............................................................................................ 38

4. PCB CONNECTION DIAGRAM ..................................................................................................................... 40

4.1 MOTHER PCB ......................................................................................................................................... 40

4.2 RELAY PCB(EW) ..................................................................................................................................... 44

4.3 MONITOR PCB ........................................................................................................................................ 46

4.4 INVERTER PCB....................................................................................................................................... 50

4.5 UPPER PCB ............................................................................................................................................ 51

4.6 KEYBOARD UNIT.................................................................................................................................... 52

4.7 SW UNIT AND VOLUME UNIT ................................................................................................................ 53

4.8 MAIN UNIT............................................................................................................................................... 54

5. ELECTRICAL PARTS LIST ............................................................................................................................ 56

6. ADJUSTMENT ............................................................................................................................................... 66

6.1 JIG CONNECTION DIAGRAM................................................................................................................. 66

6.2 MOTHER PCB ADJUSTMENT ................................................................................................................ 67

6.3 MONITOR PCB ADJUSTMENT............................................................................................................... 69

6.4 INVERTER PCB ADJUSTMENT ............................................................................................................. 73

6.5 MONITOR TEST MODE .......................................................................................................................... 74

6.6 TOUCH PANEL TEST MODE(EW) .......................................................................................................... 79

6.7 FREQUENCY CHECK FOR CLOCK ....................................................................................................... 84

7. GENERAL INFORMATION ............................................................................................................................. 85

7.1 DIAGNOSIS ............................................................................................................................................. 85

7.1.1 DISASSEMBLY ..................................................................................................................................... 85

7.1.2 CONNECTOR FUNCTION DESCRIPTION .......................................................................................... 90

7.2 IC ............................................................................................................................................................. 91

7.3 EXPLANATION ........................................................................................................................................ 96

7.3.1 MECHANISM DESCRIPTIONS ............................................................................................................ 96

7.3.2 OPERATIONAL FLOW CHART .......................................................................................................... 102

8. OPERATIONS .............................................................................................................................................. 103