Pioneer DVH-3900MP/XZ/EW5 User manual
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 2007
DVH-3900MP/XZ/EW5
CRT3988
DVD RDS RECEIVER
DVH-3900MP
/XZ/EW5
DVD RECEIVER
DVH-390MP
/XZ/RE
DVH-3950MP
/XZ/RC
DVH-3950MP
/XZ/RD
DVH-3950MP
/XZ/RI
Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol
are trademarks of Dolby Laboratories.
For details, refer to "Important Check Points for Good Servicing".
K-ZZD. AUG. 2007 Printed in Japan
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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SAFETY INFORMATION
1. Safety Precautions for those who Service this Unit.
• Follow the adjustment steps in the service manual when servicing this unit. When checking
or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.
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.
2. The trianglar label is attached to the mechanism unit frame.
On the bottom of the this unit.
CAUTION
This product contains a laser diode of higher class
than 1. To ensure continued safety, do not
remove any covers or attempt to gain access to
the inside of the product.
Refer all servicing to qualified personnel.
The following caution label appears on your unit.
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.
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.
Laser diode characteristics
Wave length:
DVD : 640 nm to 660 nm
CD : 775 nm to 805 nm
Maximum output:
DVD : 1.37 mW(Emitting period : 9 sec.)
CD : 710 uW(Emitting period : unlimited)
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TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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Additional Laser Caution
Transistors Q1101 in PCB drive the laser diodes for DVD and CD respectively.
When Q1101 is shorted between their terminals, the laser diodes for DVD or
CD will radiate beam. If the top cover is removed with no disc loaded while
such short-circuit is continued, the naked eyes may be exposed to the laser
beam.
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.
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TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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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.
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.
1Use specified parts for repair.
Use genuine parts. Be sure to use important parts for safety.
2Do 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.
3Make 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)
4Make sure the screws are tightly fastened.
Please be sure that all screws are fastened, and that there are no loose screws.
5Make sure each connectors are correctly inserted.
Please be sure that all connectors are inserted, and that there are no imperfect insertion.
6Make 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.
7Make sure screws and soldering scraps do not remain inside the product.
Please check that neither solder debris nor screws remain inside the product.
8There 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.
9There 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.
aSafe 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.
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.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance.
Make sure the proper amount is applied.
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.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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CONTENTS
SAFETY INFORMATION .......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS..................................................................................................................................................... 6
1.1 SERVICE PRECAUTIONS .............................................................................................................................................. 6
1.2 NOTES ON SOLDERING................................................................................................................................................ 6
2. SPECIFICATIONS.................................................................................................................................................................. 7
2.1 SPECIFICATIONS ........................................................................................................................................................... 7
2.2 DISC/CONTENT FORMAT.............................................................................................................................................. 9
2.3 PANEL FACILITIES ....................................................................................................................................................... 10
2.4 CONNECTION DIAGRAM............................................................................................................................................. 13
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................. 14
3.1 CHECK POINTS AFTER SERVICING .......................................................................................................................... 14
3.2 JIGS LIST ...................................................................................................................................................................... 15
3.3 CLEANING .................................................................................................................................................................... 15
4. BLOCK DIAGRAM ............................................................................................................................................................... 16
4.1 BLOCK DIAGRAM......................................................................................................................................................... 16
5. DIAGNOSIS ......................................................................................................................................................................... 20
5.1 OPERATIONAL FLOWCHART...................................................................................................................................... 20
5.2 CONNECTOR FUNCTION DESCRIPTION .................................................................................................................. 37
6. SERVICE MODE.................................................................................................................................................................. 38
6.1 DVD MECHANISM TEST MODE .................................................................................................................................. 38
6.2 HOW TO CONFIRM THE SOFTWARE VERSION........................................................................................................ 38
7. DISASSEMBLY .................................................................................................................................................................... 39
8. EACH SETTING AND ADJUSTMENT................................................................................................................................. 41
9. EXPLODED VIEWS AND PARTS LIST ............................................................................................................................... 42
9.1 EXTERIOR .................................................................................................................................................................... 42
9.2 MECHANISM ASSEMBLY............................................................................................................................................. 45
10. SCHEMATIC DIAGRAM..................................................................................................................................................... 46
10.1 PCB ASSEMBLY, MAIN(1/2)(GUIDE PAGE)............................................................................................................... 46
10.2 PCB ASSEMBLY, MAIN(2/2) ....................................................................................................................................... 52
10.3 PCB ASSEMBLY, FRONT,HAND INSERT PCB ASSEMBLY, SUB AND AUTO SMT PCB ASSEMBLY, DISPLAY.... 54
10.4 OPTION CODE ASSENBLY(1/3) ................................................................................................................................ 56
10.5 OPTION CODE ASSENBLY(2/3) ................................................................................................................................ 58
10.6 OPTION CODE ASSENBLY(3/3) ................................................................................................................................ 60
10.7 WAVEFORMS.............................................................................................................................................................. 62
11. PCB CONNECTION DIAGRAM ......................................................................................................................................... 74
11.1 PCB ASSEMBLY, MAIN............................................................................................................................................... 74
11.2 PCB ASSEMBLY, FRONT............................................................................................................................................ 78
11.3 OPTION CODE ASSENBLY ........................................................................................................................................ 80
11.4 HAND INSERT PCB ASSEMBLY, SUB AND AUTO SMT PCB ASSEMBLY, DISPLAY .............................................. 84
12. ELECTRICAL PARTS LIST................................................................................................................................................ 85
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
DVH-3900MP/XZ/EW5
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1. SERVICE PRECAUTIONS
1.1 SERVICE PRECAUTIONS
1.2 NOTES ON SOLDERING
1. Always disconnect the power source before:
1) Removing or reinstalling any component, circuit board, module or any other instrument assembly.
2) Disconnecting or reconnecting any instrument electrical plug or other electrical connection.
3) Connecting a test substitute in parallel with an electrolytic capacitor in the instrument.
CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an
explosion hazard.
2. Do not defeat any plug/socket B+ voltage interlocks with which instruments covered by this service
manual might be equipped.
3. Do not apply power to this instrument and or any of its electrical assemblies unless all solid-state
device heat sinks are correctly installed.
4. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting
the test instrument positive lead. Always remove the test instrument ground lead last.
1) The service precautions are indicated or printed on the cabinet, chassis or components. When servicing,
follow the printed or indicated service precautions and service materials.
2) The Components used in the unit have a specified conflammability and dielectric strength. When replacing
any components, use components which have the same ratings. Components marked in the circuit diagram
are important for safety or for the characteristics of the unit. Always replace with the exact components.
3) An insulation tube or tape is sometimes used and some components are raised above the printed writing
board for safety. The internal wiring is sometimes clamped to prevent contact with heating components.
Install them as they were.
4) After servicing always check that the removed screws, components and wiring have been installed correctly
5. IC1503 (EEPROM) on Option Code Ass'y can not be supplied as a service part, because it needs unique
data writing.
If IC1503 is defective, replace whole of Option Code Ass'y.
6. This model can playback only 12cm discs.
and that the portion around the service part has not been damaged. Further check the insulation between
the blades of attachment plug and accessible conductive parts.
-Service Precaution
NOTES ON SOLDERING
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).
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.
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TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
To keep the product quality after servicin
g
, please confirm followin
g
check points.
krameRdemrifnocebotmetIserudecorP.oN
1 Confirm whether the customer complain has
been solved.
If the customer complain occurs with the
spec
ifi
c
m
ed
i
a, use
i
t
f
o
r
t
h
eope
r
at
i
o
n
c
h
ec
k.
The customer complain must not be
reappeared.
Display, video, audio and operations must be
n
o
rm
a
l.
2 DVD Play back a DVD.
(
Menu o
p
eration
;
Title/cha
p
ter search
)
Display, video, audio and operations must be
normal.
3 CD Play back a CD.
(
Track search
)
Display, audio and operations must be
normal.
4 FM/AM tuner Check FM/AM tuner action.
(Seek, Preset)
Switch band to check both FM and AM.
Display, audio and operations must be
normal.
5 Check whether no disc is inside the product. The media used for the operating check must
be e
j
ected.
retfaecnaraeppastinotridrosehctarcsoNkcehcecnaraeppA6
receivin
g
it for service.
For check items concernin
g
ima
g
e and voice, please refer to the followin
g
s:
Check items concerning image Check items concerning voice
noitrotsiDesion-kcolB
esioNesiontucssorC
emulovwoLesiontoD
Distorted ima
g
e(Ima
g
e skip) Hi
g
h volume
Low bri
g
nahCssenth
g
es in level
Too bri
g
dnuosfoesuaPth
Color fadin
g
Partial discoloration
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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3.2 JIGS LIST
3.3 CLEANING
Service remote control GGF1604
Name Jig No. Remarks
-Grease List
Name
Grease
Jig No.
GEM1046
Remarks
Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools:
Portions to be cleaned Cleaning tools
DVD pickup lenses Cleaning liquid : GEM1004
Cleaning paper : GED-008
Portions to be cleaned Cleaning tools
Fans Cleaning paper : GED-008
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TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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4. BLOCK DIAGRAM
4.1 BLOCK DIAGRAM
COPTION CODE ASSEMBLY
BPCB ASSEMBLY, FRONT
DHAND INSERT PCB ASS
E
EAUTO SMT PCB ASSEMB
L
IC601
5,6
7,8
11,13
3,5
1,7
IC201
S4580
IC901
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TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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NSERT PCB ASSEMBLY, SUB
M
T PCB ASSEMBLY, DISPLAY
APCB ASSEMBLY, MAIN
IC601
6
1,7
IC201
S4580
IC401
IC801
IC702
1
1
7
7
5
3
5
3
IC701
20
17
19
18
IC501
IC301 HA13173AH
8
11
13
9
5
11
5
4
3
IC307
IC306 IC303 IC305 IC304
IC403
NJM2279M
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TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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2,13,25
54,83,1
94
116,138,137,136,139,135,134
IC1301
129,131
128,130
150
149
96
95
97
99
10
9
7
6
5
3
7618
25,26
23,24
47,48
44,45
37,39,40
28-33
IC1201
2
3
18
7
IC1202
98
93
74
176
177
37
IC1502
14
IC1501
26
75
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TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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84-88
COPTION CODE ASSEMBLY
178
79-77 13-15
172,174,173,175 16,1,3,2
179
161
101
169,170
42
IC1603
MM1510
86
72
7
1
IC1401 IC1402
104,112,
124
24,47,
82,103
2,13,25,48,
54,83,102
94
IC1301
8
IC1501
65
90 91
IC1503
6
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9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
DVH-3900MP/XZ/EW5
20
1234
1234
C
D
F
A
B
E
5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Something wrong with
the system control?
1. SYSTEM CONTROL ERROR CORRECTION FLOW CHART
1-A
~
1-F
No power?
OK
YES
Inside of CN801, Fuse(10A)
YES
NO
Checked the fuse?
CN801(16, 15, 14)
YES
NO
Checked the back up
Vdd and Gnd, Acc?
IC301(15, 14)
YES
NO
Checked the main
Micom Back up, Vdd?
IC401(100, 99, 81, 30, 50, 47, 97, 20, 51)
YES
NO
Checked the main
Micom back up Gnd?
IC402, IC401(90)
YES
NO
Checked the main
Micom reset?
X401, X402
YES
NO
Checked the main
Micom X-tal?
F301, Q301, Q302, IC401(38), CN801(14)
YES
NO
Checked the ACC in?
CN901(19), IC401(74)
YES
NO
Checked the
detachable switch?
CN901(14), IC401(21), Q316, Q317
YES
NO
Checked the front
panel VDD?
IC401(52, 53)
YES
NO
Checked the front
panel switch input?
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
This manual suits for next models
4
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