PIONEER AVH-P6400R Service Manual

PIONEER AVH-P6400R Service Manual
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Service Manual for PIONEER AVH-P6400R, downloadable as a PDF file.

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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 2002

PAUSE

ATT

AVH-P6400/UC

CRT2852

AV RECEIVER WITH 6.5 INCH WIDE DISPLAY

AVH-P6400

AVH-P6400REW

AVH-P6450ES

-The inverter of this unit is at a high voltage when electrified, so there is a risk of electric-

shocks. Make sure that power supply to the unit is OFF once again before operation.

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

K-ZZU.APR.2002.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 2002

PAUSE

ATT

AVH-P6400/UC

CRT2852

AV RECEIVER WITH 6.5 INCH WIDE DISPLAY

AVH-P6400

AVH-P6400REW

AVH-P6450ES

-The inverter of this unit is at a high voltage when electrified, so there is a risk of electric-

shocks. Make sure that power supply to the unit is OFF once again before operation.

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

K-ZZU.APR.2002.printed in Japan

AVH-P6400/UC

SAFETY INFORMATION

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.

Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair

complex products such as those covered by this manual.

Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.

If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so

and refer the repair to a qualified service technician.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of

California to cause cancer, birth defects or other reproductive harm.

Health & Safety Code Section 25249.6 - Proposition 65

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replaced only with the same or equivalent type.

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.

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.

AVH-P6400/UC

[ 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.

AVH-P6400/UC

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(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.2 BLOCK DIAGRAM(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

3.3 OVERALL CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .20

3.4 MOTHER PCB(GUIDE PAGE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

3.5 TUNER PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

3.6 GRILLE PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

3.7 RELAY PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

3.8 INVERTER PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

3.9 MONITOR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

3.10 ENCODER UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

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

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

4.2 TUNER PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

4.3 GRILLE PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

4.4 INVERTER PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

4.5 RELAY PCB,UPPER PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

4.6 MONITOR PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

4.7 ENCODER UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

5. ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

6. ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

6.1 JIG CONNECTION DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

6.2 MOTHER PCB ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71

6.3 INVERTER PCB ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

6.4 MONITOR PCB ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

6.5 MONITOR TEST MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

7. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

7.1.1 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

7.1.2 CONNECTOR FUNCTION DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . .84

7.2 IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

7.3 EXPLANATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

7.3.1 SCHEMATIC DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

7.3.2 MECHANISM DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

7.3.3 OPERATIONAL FLOW CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

7.4 CLEANING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

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

AVH-P6400/UC

1. SPECIFICATIONS

General

Power source

............... 14.4 V DC

Backup current ............... Less than 3mA

Grounding system

...... Negative type

Max. current consumption

..................................... 10.0 A

Dimensions (W

×H ×D):

(DIN) ...................... Chassis 178

×50 ×160 mm

× 2× 6-5/16 in]

Nose .............. 188

×58 ×37.6 mm

[7-3/8

× 2-1/4× 1-1/2 in]

(D)

Chassis

........ 178

×50 ×165 mm

× 2× 6-1/2 in]

Nose .............. 178

×50 ×32.6 mm

× 2× 1-1/4 in]

Remote control

..... 51.5

×123 ×10.9 mm

[2-1/32

× 4-7/8× 7/16 in]

Weight

Main Unit

1.9 kg (4.2 lbs)

Remote control

.....

49.4 g (0.1 lbs)

(including battery)

Amplifier

UC,ES model

Continuous power output is 27 Wper chan-

Continuous power output ...27 W

×4

nel min. into 4 ohms, both channels driven

50 to 15,000 Hz with no more than 5% THD.

Maximum power output 50 W

×4

50 W

×2 ch/4 +70 W ×1 ch/2 (for Subwoofer)

Load impedance ..........4

(4 8 [2 for 1 ch]

allowable)

Preout maximum output level/output imped-

ance

.....................................4.0 V/100

Equalizer (3-Band Parametric Equalizer):

(Low)

Frequency

....... 40/80/100/160 Hz

Q Factor

.......... 0.35/0.59/0.95/1.15

(+6 dB when boosted)

Gain ................

±12 dB

(Mid)

Frequency

....... 200/500/1 k/2 k Hz

Q Factor

.......... 0.35/0.59/0.95/1.15

(+6 dB when boosted)

Gain ................

±12 dB

EW model

Maximum power output....50 W

×4

50 W

×2 ch/4 +70 W ×1 ch/2 (for Subwoofer)

25 W

×4(BRI)

(DIN 45324,+B=14.4V)

(High)

Frequency

....... 3.15 k/8 k/10 k/12.5

k Hz

Q Factor

.......... 0.35/0.59/0.95/1.15

(+6 dB when boosted)

Gain ................

±12 dB

Loudness contour:

(Low) ..................... +3.5 dB (100 Hz)

+3 dB (10 kHz)

(Mid)

..................... +10 dB (100 Hz)

+6.5 dB (10 kHz)

(High) .................... +11 dB (100 Hz)

+11 dB (10 kHz)

(Volume: 30 dB)

Tone controls:

(Bass)

Frequency

....... 40/63/100/160Hz

Gain ................

±12 dB

(Treble)

Frequency

....... 2.5 k/4 k/6.3 k/10 k

Gain ................

±12 dB

HPF:

Frequency

....... 50/80/125 Hz

Slope ...............12 dB/oct

Subwoofer:

Frequency

....... 50/80/125 12 dB/oct

Slope ...............18 dB/oct

Gain ................

±12 dB

Phase ............... Normal/Reverse

UC,EW model

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