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ORDER NO.
CRT4898
AVIC-Z140BH/XNUC

MULTIMEDIA NAVIGATION RECEIVER

AVIC-Z140BH
NAVIGATION AV SYSTEM
/XNUC

AVIC-F40BT /XNEU5

AVIC-F40BT /XNAU

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

CX-3283 CRT4843 LS2 DVD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly

PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, 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 2012
K-ZZZ FEB. 2012 Printed in Japan
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SAFETY INFORMATION
CAUTION
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.

WARNING

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

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
D
This product is a class 1 laser product classi-
fied under the Safety of laser products, IEC
60825-1:2007, and contains a class 1M laser
module. To ensure continued safety, do not re-
move any covers or attempt to gain access to
the inside of the product. Refer all servicing to
qualified personnel.

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

AVIC-Z140BH/XNUC
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A
WARNING!
The AEL (accessible emission level )of the laser power output is less than CLASS 1
but 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 diode characteristics
Wave length:
DVD:660 nm to 670 nm B
CD:780 nm to 800 nm
Focus lens on Maximum output:
CD:6.26 mW(Emitting period :9 sec.)
DVD:1.27 mW (Emitting period : unlimited)

Additional Laser Caution

Transistors Q1103 and Q1104 in PCB drive the laser diodes for DVD and CD
respectively. When Q1103 or Q1104 is shorted between their terminals,
the laser diodes for DVD or CD will radiate beam. If the top cover is removed C
with no disc loaded while such short-circuit is continued, the naked eyes may
be exposed to the laser beam.

AVIC-Z140BH/XNUC
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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 ...................................................................................................................... 14
3. BASIC ITEMS FOR SERVICE........................................................................................................................ 15
3.1 CHECK POINTS AFTER SERVICING..................................................................................................... 15
3.2 PCB LOCATIONS .................................................................................................................................... 16
3.3 JIGS LIST ................................................................................................................................................ 17
3.4 CLEANING............................................................................................................................................... 18
4. BLOCK DIAGRAM.......................................................................................................................................... 20
4.1 OVERALL CONNECTION DIAGRAM...................................................................................................... 20
B 4.2 BLOCK DIAGRAM ................................................................................................................................... 22
4.3 POWER SUPPLY SYSTEM FIGURE ...................................................................................................... 36
5. DIAGNOSIS.................................................................................................................................................... 46
5.1 OPERATIONAL FLOWCHART ................................................................................................................ 46
5.2 INSPECTION METHOD OF PICKUP UNIT............................................................................................. 47
5.3 DIAGNOSIS FLOWCHART ..................................................................................................................... 50
5.4 ERROR CODE LIST ................................................................................................................................ 70
5.5 CONNECTOR FUNCTION DESCRIPTION ............................................................................................. 73
6. SERVICE MODE ............................................................................................................................................ 74
6.1 TEST MODE ............................................................................................................................................ 74
6.2 DVD TEST MODE ................................................................................................................................. 129
7. DISASSEMBLY ............................................................................................................................................ 135
C
8. EACH SETTING AND ADJUSTMENT ......................................................................................................... 143
8.1 DVD ADJUSTMENT .............................................................................................................................. 143
9. EXPLODED VIEWS AND PARTS LIST........................................................................................................ 148
9.1 PACKING ............................................................................................................................................... 148
9.2 EXTERIOR (1) ....................................................................................................................................... 152
9.3 EXTERIOR (2) ....................................................................................................................................... 154
9.4 EXTERIOR (3) ....................................................................................................................................... 156
9.5 DVD MECHANISM MODULE (1)........................................................................................................... 158
9.6 DVD MECHANISM MODULE (2)........................................................................................................... 160
10. SCHEMATIC DIAGRAM............................................................................................................................. 162
10.1 AV PCB (PS/IF SECTION)(GUIDE PAGE) .......................................................................................... 162
D 10.2 AV PCB (SYSTEM uCOM SECTION)(GUIDE PAGE) ......................................................................... 168
10.3 AV PCB (AUDIO SECTION)(GUIDE PAGE)........................................................................................ 174
10.4 AV PCB (TUNER/VICS SECTION)(GUIDE PAGE) ............................................................................. 180
10.5 AV PCB (FLAP SENSOR IF)(GUIDE PAGE)....................................................................................... 186
10.6 KEYBOARD PCB................................................................................................................................. 192
10.7 DVD CORE UNIT (GUIDE PAGE) ....................................................................................................... 194
10.8 IF UNIT (GUIDE PAGE) ....................................................................................................................... 200
10.9 PCB UNIT(SERVICE) .......................................................................................................................... 206
10.10 CC MONITOR UNIT(SERVICE)(P/S,I/F SECTION)(GUIDE PAGE).................................................. 208
10.11 CC MONITOR UNIT(SERVICE)(CPU SECTION)(GUIDE PAGE) ..................................................... 214
10.12 CC MONITOR UNIT(SERVICE)(CPU AROUND SECTION)(GUIDE PAGE) .................................... 220
10.13 CC MONITOR UNIT(SERVICE)(DDR/FLASH_ROM/SRAM SECTION)(GUIDE PAGE) .................. 226
E 10.14 CC MONITOR UNIT(SERVICE)(NAND SECTION) ........................................................................... 232
10.15 CC MONITOR UNIT(SERVICE)(VIDEO DEC/T-CON SECTION)(GUIDE PAGE)............................. 234
10.16 CC MONITOR UNIT(SERVICE)(BT/DISPLAY SECTION)(GUIDE PAGE) ........................................ 240
10.17 LCD-IF UNIT ...................................................................................................................................... 246
10.18 WAVEFORMS .................................................................................................................................... 248
11. PCB CONNECTION DIAGRAM.................................................................................................................. 250
11.1 AV PCB ................................................................................................................................................ 250
11.2 KEYBOARD PCB ................................................................................................................................. 254
11.3 DVD CORE UNIT ................................................................................................................................. 256
11.4 IF UNIT................................................................................................................................................. 258
11.5 PCB UNIT(SERVICE) .......................................................................................................................... 262
11.6 CC MONITOR UNIT(SERVICE)........................................................................................................... 264
F
11.7 LCD-IF UNIT ........................................................................................................................................ 268
12. ELECTRICAL PARTS LIST ........................................................................................................................ 270

AVIC-Z140BH/XNUC
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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. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic
induction.
3. Please be sure to conduct line process to original status if you make assembling after repair.
4. Please be careful of not to imply static charge onto integrated circuits, etc, when you conduct repair work.
Especially, please use soldering iron with its tip grounded.
Also, please use a pair of tweezers with static charge protection capability if there is the possibility of contacting to
device terminals, and avoid the use of metal-made tweezers.
5. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors during power-on B
mode may damage the ICs inside the unit.
6. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment (shorting-solder)
by referring to "the DISASSEMBLY".
7. Please keep the distance of more than 13 cm from focus lens for safety when you check pickup and make adjustment,
and do not look straight at Laser Beam for more than 10 seconds.
8. Please power adjustment when you replaced mechanical area of DVD Mecha Module or DVD core unit.
9. Graphically-illustrated areas become hot. Be careful not to burn yourself.

Drive
IC

IC1251 Main IC

IC1501

10. The part listed below is difficult to replace as a discrete component part.
When the part listed in the table is defective, replace whole Assy.
IC1281 LT3505EDD Heat pad
AV PCB
IC2141 LT1912EMSE Heat pad
IF UNIT IC151 GRF3I-0336S Heat pad
IC4204, IC4205 LTC3412AEFE Heat pad
IC4001 TT4421 BGA
IC4654 WM1616LGEFL Terminal is bent inside E
IC4501 PEN002A or PEN005A BGA
CC MONITOR UNIT IC4901 TC90192XBG BGA
IC4406 CY62147EV30LL45BVA BGA
IC4403 CXX4262 BGA
IC3200 OZ527IRN Heat pad
IC4701 341S2162 Terminal is bent inside
IC5513 AK8859VN Terminal is bent inside
LCD-IF UNIT IC5101 R1290K103A Heat pad

11. On this mechanism, Pickup and Spindle Motor can not be replaced at the service site, because a special facility is
required for the adjustment after replacing them. F

So, if Pickup or Spindle Motor is defective, replace the Mechanism Unit.

AVIC-Z140BH/XNUC
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12. Notes on the temperature protection
A
The temperature protection is set considering the use temperature range of eNAND.
If the temperature reaches the detection temperature shown below, the operation stops (ASENS is disabled).

Detection temperature on low temperature side: -25

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