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ORDER NO.
RRV3884
BDP-LX91

Blu-ray Disc PLAYER

BDP-LX91
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
DVD BD
Model Type Power Requirement Remarks
Region No. Region No.

BDP-LX91 WY5 AC 220 V to 240 V 2 B

BDP-LX91 WV5 AC 220 V to 240 V 2 B

For details, refer to "Important Check Points for good servicing".

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 2008
T-ZZY-001 DEC. 2008 Printed in Japan
1 2 3 4

SAFETY INFORMATION

A
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.

B WARNING !
THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT
FOR CLASS 1.
A SPECIALLY INSTRUCTED PERSON SHOULD DO SERVICING OPERATION OF THE
APPARATUS.

Laser Pickup specifications and Laser characteristics
For BD Wave length : 405 nm
Operating output : 0.95 mW CW, Class 1M
Maximum output : Class 2 (under fault condition)

For DVD Wave length : 660 nm
Operating output : 1.06 mW CW, Class 1M
C Maximum output : Class 2M (under fault condition)

For CD Wave length : 785 nm
Operating output : 1.34 mW CW, Class 1M
Maximum output : Class 1M (under fault condition)

LABEL CHECK
The following caution label appears on your unit.
Location: inside of the unit

VRW2262 - A
D

E
(Printed on the Rear Panel)

F

2 BDP-LX91
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[Important Check Points for Good Servicing]
In this manual, procedures that must be performed during repairs are marked with the below symbol.
Please be sure to confirm and follow these procedures. A
1. Product safety
Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by
following the safety instructions described in this manual.

1 Use specified parts for repair.

Use genuine parts. Be sure to use important parts for safety.

2 Do not perform modifications without proper instructions.

Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as
radio/TV interference and foreign noise.
B
3 Make sure the soldering of repaired locations is properly performed.

When you solder while repairing, please be sure that there are no cold solder and other debris.
Soldering should be finished with the proper quantity. (Refer to the example)

4 Make sure the screws are tightly fastened.

Please be sure that all screws are fastened, and that there are no loose screws.

5 Make sure each connectors are correctly inserted.

Please be sure that all connectors are inserted, and that there are no imperfect insertion.

6 Make sure the wiring cables are set to their original state.

Please replace the wiring and cables to the original state after repairs. C
In addition, be sure that there are no pinched wires, etc.

7 Make sure screws and soldering scraps do not remain inside the product.

Please check that neither solder debris nor screws remain inside the product.

8 There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord.

Damaged power cords may lead to fire accidents, so please be sure that there are no damages.
If you find a damaged power cord, please exchange it with a suitable one.

9 There should be no spark traces or similar marks on the power plug.

When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure
connections and suitable usage. Please exchange the power cord if necessary.
D
a Safe environment should be secured during servicing.

When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries.
Please pay attention to your surroundings and repair safely.

2. Adjustments
To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification.
Adjustments should be performed in accordance with the procedures/instructions described in this manual.

3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance.
Make sure the proper amount is applied. E

4. Cleaning
For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper
cleaning should be performed to restore their performances.

5. Shipping mode and Shipping screws
To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be
installed before shipment. Please be sure to follow this method especially if it is specified in this manual.

F

BDP-LX91 3
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................6
A 1.1 NOTES ON SOLDERING ...............................................................................................................................................6
1.2 NOTE ON DISASSEMBLING/REASSEMBLING ............................................................................................................6
1.3 NOTE ON REPLACING IC9011......................................................................................................................................6
1.4 NOTE ON REPLACING THE TRAY PANEL BASE AND TRAY ALUMINUM..................................................................6
2. SPECIFICATIONS .................................................................................................................................................................7
2.1 ACCESSORIES ..............................................................................................................................................................7
2.2 SPECIFICATIONS...........................................................................................................................................................8
2.3 DISC/CONTENT FORMAT .............................................................................................................................................9
2.4 PANEL FACILITIES .......................................................................................................................................................13
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................16
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................16
3.2 PCB LOCATIONS .........................................................................................................................................................17
B 3.3 JIGS LIST .....................................................................................................................................................................17
4. BLOCK DIAGRAM...............................................................................................................................................................18
4.1 OVERALL WIRING DIAGRAM......................................................................................................................................18
4.2 BLOCK DIAGRAM ........................................................................................................................................................20
4.3 POWER BLOCK DIAGRAM..........................................................................................................................................22
4.4 CLOCK BLOCK DIAGRAM...........................................................................................................................................26
4.5 RESET BLOCK DIAGRAM ...........................................................................................................................................27
4.6 VIDEO BLOCK DIAGRAM ............................................................................................................................................28
5. DIAGNOSIS.........................................................................................................................................................................29
5.1 POWER ON SEQUENCE .............................................................................................................................................29
5.2 TROUBLE SHOOTING .................................................................................................................................................30
5.3 RESET ON SEQUENCE...............................................................................................................................................31
C
6. SERVICE MODE .................................................................................................................................................................32
6.1 OSD ..............................................................................................................................................................................32
7. DISASSEMBLY....................................................................................................................................................................42
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................56
8.1 NECESSARY ADJUSTMENT POINTS ........................................................................................................................56
8.2 FIRMWARE UPDATE....................................................................................................................................................56
8.3 MODEL SETTING.........................................................................................................................................................57
8.4 CPRM ID NUMBER AND DATA SETTING....................................................................................................................59
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................62
9.1 PACKING SECTION .....................................................................................................................................................62
9.2 EXTERIOR SECTION...................................................................................................................................................64
D
9.3 BOTTOM SECTION ......................................................................................................................................................66
9.4 FRONT PANEL SECTION ............................................................................................................................................68
10. SCHEMATIC DIAGRAM ....................................................................................................................................................70
10.1 SERVICE MAIN ASSY (1/13)(GUIDE PAGE) .............................................................................................................70
10.2 SERVICE MAIN ASSY (2/13)(GUIDE PAGE) .............................................................................................................76
10.3 SERVICE MAIN ASSY (3/13) .....................................................................................................................................82
10.4 SERVICE MAIN ASSY (4/13) .....................................................................................................................................84
10.5 SERVICE MAIN ASSY (5/13) .....................................................................................................................................86
10.6 SERVICE MAIN ASSY (6/13) .....................................................................................................................................88
10.7 SERVICE MAIN ASSY (7/13)(GUIDE PAGE) .............................................................................................................90
10.8 SERVICE MAIN ASSY (8/13) .....................................................................................................................................96
10.9 SERVICE MAIN ASSY (9/13) .....................................................................................................................................98
E 10.10 SERVICE MAIN ASSY (10/13) ...............................................................................................................................100
10.11 SERVICE MAIN ASSY (11/13) ...............................................................................................................................102
10.12 SERVICE MAIN ASSY (12/13) ...............................................................................................................................104
10.13 SERVICE MAIN ASSY (13/13) ...............................................................................................................................106
10.14 SPATA ASSY ...........................................................................................................................................................108
10.15 AUPW ASSY ...........................................................................................................................................................110
10.16 AUJB ASSY (1/5) ....................................................................................................................................................112
10.17 AUJB ASSY (2/5) ....................................................................................................................................................114
10.18 AUJB ASSY (3/5) ....................................................................................................................................................116
10.19 AUJB ASSY (4/5) ....................................................................................................................................................118
10.20 AUJB ASSY (5/5) ....................................................................................................................................................120
10.21 VOUT ASSY............................................................................................................................................................122
F
10.22 FLKY ASSY ............................................................................................................................................................124
10.23 PSWB AND ACSW ASSYS ....................................................................................................................................126
10.24 SYPS ASSY ............................................................................................................................................................128
10.25 WAVEFORMS .........................................................................................................................................................130
4 BDP-LX91
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11. PCB CONNECTION DIAGRAM ...................................................................................................................................... 132
11.1 SERVICE MAIN ASSY.............................................................................................................................................. 132
11.2 SPATA ASSY............................................................................................................................................................. 136
11.3 VOUT ASSY ............................................................................................................................................................. 137
11.4 AUPW ASSY............................................................................................................................................................. 138 A
11.5 AUJB ASSY .............................................................................................................................................................. 140
11.6 FLKY ASSY .............................................................................................................................................................. 144
11.7 PSWB ASSY............................................................................................................................................................. 146
11.8 ACSW ASSY............................................................................................................................................................. 148
11.9 SYPS ASSY.............................................................................................................................................................. 150
12. PCB PARTS LIST............................................................................................................................................................ 152

B

C

D

E

F

BDP-LX91 5
5 6 7 8
1 2 3 4

1. SERVICE PRECAUTIONS
1.1 NOTES ON SOLDERING