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ORDER NO.
CRT4478

CD RECEIVER

DEH-2200UB /XSUC
DEH-2250UB/XSES

This service manual should be used together with the following manual(s) listed below.
For the parts numbers, adjustments, etc. which are not shown in this manual,
refer to the following manual(s).
Model No. Order No. Mech. Module Remarks

DEH-22UB/XSUC CRT4454

CX-3269 CRT4488 S11iPod/USB CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly

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 2009
K-ZZZ. SEPT. 2009 Printed in Japan
1 2 3 4

SAFETY INFORMATION
WARNING
A This product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive
harm.
Health & Safety Code Section 25249.6 - Proposition 65

EXPLODED VIEWS AND PARTS LIST
PACKING(Page 32)
PACKING SECTION PARTS LIST *:Non spare part
Mark No. Description DEH-22UB/XSUC DEH-2200UB/XSUC DEH-2250UB/XSES
B
1 Polyethylene Bag CEG1173 CEG1173 QEG3001
4 Screw BPZ20P060FTC BPZ20P060FTC Not used
7 Screw Assy YEA5072 YEA5072 YEA5082
9 Screw CRZ50P090FTC CRZ50P090FTC Not used
11 Unit Box YHG5557 YHG5556 YHG5533

12 Contain Box YHL5557 YHL5556 YHL5533
13 Protector YHP5071 YHP5071 YHP5069
14 Protector YHP5072 YHP5072 YHP5070
C * 15-1 Warranty Card CRY1276 CRY1276 Not used
15-2 Owner's Manual YRD5305 YRD5301 YRD5302

16 Case Assy Not used Not used YXB5009

Owner's Manual
Part No. Language
YRD5301 English, French, Spanish(Espanol)
YRD5302 English, Spanish(Espanol), Portuguese(B), Traditional Chinese, Arabic

EXTERIOR(1)(Page 34)
EXTERIOR(1) SECTION PARTS LIST
E
Mark No. Description DEH-22UB/XSUC DEH-2200UB/XSUC DEH-2250UB/XSES
7 Detachable Assy YXA5680 YXA5668 YXA5669
24 Grille Unit YXA5688 YXA5643 YXA5641
25 Knob Unit YXC5124 YXC5123 YXC5123

EXTERIOR(2)(Page 36)
EXTERIOR(2) SECTION PARTS LIST
Mark No. Description DEH-22UB/XSUC DEH-2200UB/XSUC DEH-2250UB/XSES
F 7 CD Mechanism Module(S11) CXK5870 CXK5860 CXK5860
10 Tuner Amp Unit YWM5449 YWM5429 YWM5430
17 Holder YND5045 YND5045 YND5043

DEH-2200UB/XSUC
2
1 2 3 4
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ELECTRICAL PARTS LIST(Page 66)
TUNER AMP UNIT
Circuit Symbol and No. Part Name DEH-22UB/XSUC DEH-2200UB/XSUC DEH-2250UB/XSES
A
D601 Diode Not used Not used RB551V-30
D602 Diode Not used Not used RB751V-40
CN941 Connector Not used Not used CKS4124
R676 Not used RS1/16SS473J Not used
R677 RS1/16SS473J Not used RS1/16SS473J

R680 RS1/16SS273J RS1/16SS273J Not used
R941 Not used Not used RS1/10SR102J
R942 Not used Not used RS1/10SR102J
C941 Not used Not used CKSRYB103K50 B

C942 Not used Not used CKSRYB103K50

For the information of the parts that are added to this model, please refer to the following manual (CRT4454).

KEYBOARD UNIT
Circuit Symbol and No. Part Name DEH-22UB/XSUC DEH-2200UB/XSUC DEH-2250UB/XSES
Q1851 Transistor Not used IMX9 Not used
D1871 LED Not used CL-195PG-CD Not used
C
D1872 LED Not used CL-195PG-CD Not used
D1873 LED Not used CL-195PG-CD Not used
D1874 LED Not used CL-195PG-CD Not used

D1875 LED Not used CL-195PG-CD Not used
D1876 LED Not used CL-195PG-CD Not used
D1880 LED Not used CL-195PG-CD Not used
D1881 LED Not used CL-195PG-CD Not used
D1882 LED Not used CL-195PG-CD Not used
D
D1883 LED Not used CL-195PG-CD Not used
D1884 LED Not used CL-195PG-CD Not used
D1885 LED Not used CL-195PG-CD Not used
D1886 LED Not used CL-195PG-CD Not used
D1887 LED Not used CL-195PG-CD Not used

D1888 LED Not used CL-195PG-CD Not used
D1889 LED Not used CL-195PG-CD Not used
R1859 Not used RS1/4SA561J Not used
E
R1860 Not used RS1/4SA561J Not used
R1862 Not used RS1/4SA561J Not used

R1863 Not used RS1/4SA561J Not used
R1864 Not used RS1/4SA681J Not used
R1865 Not used RS1/4SA681J Not used
R1866 RS1/10SR0R0J Not used RS1/10SR0R0J
R1867 Not used RS1/10SR103J Not used

R1868 Not used RS1/10SR103J Not used F
R1869 Not used RS1/10SR103J Not used
R1870 Not used RS1/10SR103J Not used

DEH-2200UB/XSUC
7
3
5 6 8
1 2 3 4

SCHEMATIC DIAGRAM
KEYBOARD UNIT
A

CLOCK
C

D
DS1XA4WBETW1(Z1)

RED GREEN
DEH-2200UB/XSUC CL-195SR-CD CL-195PG-CD
RED
DEH-2250UB/XSES CL-195SR-CD NM

B
DEH-2200UB/XSUC
4
1 2 3 4
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B KEYBOARD UNIT

AUX B

CN832
AUX1:-17.8 dBs

A
CLOCK
C

USB

DEH-2200UB DEH-2250UB
/XSUC /XSES

CL-195SR-CD CL-195SR-CD

CL-195PG-CD NM

820(1/4W) 820(1/4W)

1k(1/4W) 1k(1/4W)

E
560(1/4W) NM

560(1/4W) NM

B
DEH-2200UB/XSUC
7
5
5 6 8
1 2 3 4

CD CORE UNIT
DEH-2200UB/XSUC
Circuit Symbol and No. Part Name DEH-22UB/XSUC
DEH-2250UB/XSES
IC205 IC Not used 341S2162
A
Q201 Transistor Not used 2SA1577
R250 Not used RS1/16SS101J
R252 Not used RS1/16SS101J
R273 Not used RS1/16SS103J

R277 Not used RS1/16SS103J
R280 RS1/16SS103J Not used
R290 RS1/16SS103J Not used
R292 Not used RS1/16SS272J
B R293 Not used RS1/16SS472J

R295 Not used RS1/16SS473J
C290 Not used CKSSYB104K10
C294 Not used CKSSYB104K10

For the information of the parts that are added to this model, please refer to the following manual (CRT4454).

DEH-2200UB/XSUC
6
1 2 3 4
ORDER NO.
CRT4454
DEH-22UB/XSUC

CD RECEIVER

DEH-22UB /XSUC

This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks

CX-3269 CRT4488 S11iPod/USB CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly

For details, refer to "Important Check Points for Good Servicing".

SAFETY INFORMATION

A
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 may contain a chemical known to the State of California to cause cancer, or birth defects or
other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
B

Where in a manufacturer's service documentation, for example in circuit diagrams or lists
of components, a symbol is used to indicate that a specific component shall be replaced only
by the component specified in that documentation for safety reasons, the following symbol shall
be used:

- Safety Precautions for those who Service this Unit.
When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable
results.
C
Caution:
1. During repair or tests, minimum distance of 13 cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.

CAUTION:
USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

CAUTION
CLASS 1M INVISIBLE LASER RADIATION WHEN OPEN. DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS
D

DEH-22UB/XSUC
2
1 2 3 4
5 6 7 8

[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.

3 Make sure the soldering of repaired locations is properly performed. B

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.
In addition, be sure that there are no pinched wires, etc. C

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.

a Safe environment should be secured during servicing. D

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.

DEH-22UB/XSUC
5 6 7 8
3
1 2 3 4

CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SERVICE PRECAUTIONS ............................................................................................................................... 5
A
1.1 SERVICE PRECAUTIONS......................................................................................................................... 5
1.2 NOTES ON SOLDERING .......................................................................................................................... 6
2. SPECIFICATIONS ............................................................................................................................................ 7
2.1 SPECIFICATIONS...................................................................................................................................... 7
2.2 DISC/CONTENT FORMAT ........................................................................................................................ 7
2.3 PANEL FACILITIES .................................................................................................................................... 8
2.4 CONNECTION DIAGRAM ....................................................................................................................... 10
3. BASIC ITEMS FOR SERVICE........................................................................................................................ 11
3.1 CHECK POINTS AFTER SERVICING..................................................................................................... 11
3.2 PCB LOCATIONS .................................................................................................................................... 11
3.3 JIGS LIST ................................................................................................................................................ 12
3.4 CLEANING............................................................................................................................................... 12
B 4. BLOCK DIAGRAM.......................................................................................................................................... 14
5. DIAGNOSIS.................................................................................................................................................... 17
5.1 OPERATIONAL FLOWCHART ................................................................................................................ 17
5.2 ERROR CODE LIST ................................................................................................................................ 18
5.3 CONNECTOR FUNCTION DESCRIPTION ............................................................................................. 20
6. SERVICE MODE ............................................................................................................................................ 21
6.1 DISPLAY TEST MODE ............................................................................................................................ 21
6.2 CD TEST MODE ...................................................................................................................................... 22
7. DISASSEMBLY............................................................................................................................................... 23
8. EACH SETTING AND ADJUSTMENT ........................................................................................................... 29
8.1 CD ADJUSTMENT................................................................................................................................... 29
8.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.................................................... 30
C
9. EXPLODED VIEWS AND PARTS LIST.......................................................................................................... 32
9.1 PACKING ................................................................................................................................................. 32
9.2 EXTERIOR(1) .......................................................................................................................................... 34
9.3 EXTERIOR(2) .......................................................................................................................................... 36
9.4 CD MECHANISM MODULE..................................................................................................................... 38
10. SCHEMATIC DIAGRAM ............................................................................................................................... 40
10.1 TUNER AMP UNIT(GUIDE PAGE) ........................................................................................................ 40
10.2 KEYBOARD UNIT.................................................................................................................................. 46
10.3 CD MECHANISM MODULE(GUIDE PAGE) .......................................................................................... 48
10.4 WAVEFORMS ........................................................................................................................................ 54
11. PCB CONNECTION DIAGRAM ................................................................................................................... 58
D 11.1 TUNER AMP UNIT................................................................................................................................. 58
11.2 KEYBOARD UNIT.................................................................................................................................. 62
11.3 CD CORE UNIT(S11USB) ..................................................................................................................... 64
12. ELECTRICAL PARTS LIST .......................................................................................................................... 66

DEH-22UB/XSUC
4
1 2 3 4
5 6 7 8

1. SERVICE PRECAUTIONS
1.1 SERVICE PRECAUTIONS
A

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.
2. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors
during power-on mode may damage the ICs inside the unit.
3. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment
(shorting-solder) by referring to "the DISASSEMBLY".
4. After replacing the pickup unit, be sure to check the grating.
5. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by
electrostatic induction. B
6. On CD Core Unit, actual cable colors and silk print are different.

C
Green Red
White Black

7. CD Mech. Assembly Wrong Installation Check
If iPod corresponding mech. assembly is installed at iPod non corresponding model, or if iPod non corresponding
mech. assembly is installed at iPod corresponding model by mistake, this becomes error indication with CDS,
USB sources as shown below;

Wrong Inst. Error of
C H K C D C O R E
CD Mech. Assembly

Judgment condition of wrong installation is as follows;

USB Corresponding Model
S11 USB/iPod Authentication IC: No OK
Mech. Assembly Authentication IC: Yes Wrong Installation Indication
S11 USB Mech. Authentication IC: No OK
Assembly Authentication IC: Yes Wrong Installation Indication
E

USB/iPod Corresponding Model
S11 USB/iPod Authentication IC: No Wrong Installation Indication
Mech. Assembly Authentication IC: Yes OK
S11 USB Mech. Authentication IC: No Wrong Installation Indication
Assembly Authentication IC: Yes OK

* The condition becomes as shown above since a microcomputer of corresponding USB mech. assembly and a
microcomputer of iPod corresponding mech. assembly are the same.

However, this is determined by the presence or absence of authentication IC since problem occurs depending on
F
different mech. assembly.

DEH-22UB/XSUC
5 6 7 8
5
1 2 3 4

1.2 NOTES ON SOLDERING

A For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.
Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs
accompanied by reworking of soldering.

Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 C.
Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 C in general, although
the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of
the soldering iron.

Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting
temperatures (hard to melt/easy to harden).

B The following lead-free solders are available as service parts:
Parts numbers of lead-free solder:
GYP1006 1.0 in dia.
GYP1007 0.6 in dia.
GYP1008 0.3 in dia.

DEH-22UB/XSUC
6
1 2 3 4
5 6 7 8

2. SPECIFICATIONS
2.1 SPECIFICATIONS
General CD player A
Power source .........................14.4 V DC (10.8 V to 15.1 V System ..................................... Compact disc audio system
allowable) Usable discs ..........................Compact disc
Grounding system................. Negative type Signal-to-noise ratio ............ 94 dB (1 kHz) (IHF-A net-
Maximum current consumption work)
...............................................10.0 A Number of channels ............ 2 (stereo)
WMA decoding format ........ Ver. 7,7.1, 8, 9, 10, 11 (2ch
Buck up current ......................2 mA or less
audio)
Dimensions (W

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