PIONEER X-MDX707/NLWXJ/HK Service Manual

Cover page of PIONEER X-MDX707/NLWXJ/HK Service Manual

Service Manual for PIONEER X-MDX707/NLWXJ/HK, 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 SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 1999
c
X-MDX707
RRV2165
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............... 3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 18
4. PCB CONNECTION DIAGRAM ......................... 40
5. PCB PARTS LIST ............................................... 54
6. ADJUSTMENT .................................................... 60
CONTENTS
7. GENERAL INFORMATION ................................ 68
7.1 DIAGNOSIS .................................................. 68
7.1.1 TROUBLESHOOTING ........................... 68
7.1.2 DISASSEMBLY/ASSEMBLY .................. 78
7.2 PARTS .......................................................... 86
7.2.1 IC ............................................................ 86
7.2.2 DISPLAY ................................................. 90
8. PANEL FACILITIES AND SPECIFICATIONS ....... 93
T ­ ZZK AUG. 1999 Printed in Japan
XR-C2MD
MD/CD COMPONENT SYSTEM
Type
Model
Power Requirement
Remarks
XR-C2MD
LBWXJ
AC110V
NLWXJ/HK
AC220V
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
XR-C2MD
¶ X-MDX707 is combination of the following components.
¶ For speaker system S-C2-LR, refer to the service manual RRV2156.
Component
Model
Service manual
Remarks
X-MDX707
STEREO MD/CD CASSETTE DECK RECEIVER
XR-C2MD
RRV2165
This manual.
SPEAKER SYSTEM
S-C2-LR
RRV2156
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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 1999
c
X-MDX707
RRV2165
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............... 3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 18
4. PCB CONNECTION DIAGRAM ......................... 40
5. PCB PARTS LIST ............................................... 54
6. ADJUSTMENT .................................................... 60
CONTENTS
7. GENERAL INFORMATION ................................ 68
7.1 DIAGNOSIS .................................................. 68
7.1.1 TROUBLESHOOTING ........................... 68
7.1.2 DISASSEMBLY/ASSEMBLY .................. 78
7.2 PARTS .......................................................... 86
7.2.1 IC ............................................................ 86
7.2.2 DISPLAY ................................................. 90
8. PANEL FACILITIES AND SPECIFICATIONS ....... 93
T ­ ZZK AUG. 1999 Printed in Japan
XR-C2MD
MD/CD COMPONENT SYSTEM
Type
Model
Power Requirement
Remarks
XR-C2MD
LBWXJ
AC110V
NLWXJ/HK
AC220V
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
XR-C2MD
¶ X-MDX707 is combination of the following components.
¶ For speaker system S-C2-LR, refer to the service manual RRV2156.
Component
Model
Service manual
Remarks
X-MDX707
STEREO MD/CD CASSETTE DECK RECEIVER
XR-C2MD
RRV2165
This manual.
SPEAKER SYSTEM
S-C2-LR
RRV2156
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2
X-MDX707, XR-C2MD
LABEL CHECK
Additional Laser Caution
of CD PLAYER
1. Laser Interlock Mechanism
The position of the switch for detecting loading state is
detected by the system microprocessor, and the design
prevents laser diode oscillation when the switch is
pressed physically.
Thus, the interlock will no longer function if the switch is
released physically and deliberatery.
Laser diode oscillation will continue, if pin 33 of
CXA1782BQ (IC803) on the CD UNIT is connected to
GND, or else the terminals of Q802 are shorted to each
other (fault condition).
2. When the cover is opened, close viewing of the
objective lens with the naked eye will cause exposure
to a Class 1 laser beam.
1. SAFETY INFORMATION
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.
IMPORTANT
THIS PIONEER APPARATUS CONTAINS
LASER OF CLASS 1.
SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLY
INSTRUCTED PERSON.
LASER DIODE CHARACTERISTICS
OF CD PLAYER
MAXIMUM OUTPUT POWER: 5 mW
WAVELENGTH: 760 - 800 nm
LASER DIODE CHARACTERISTICS
OF MD RECORDER
MAXIMUM OUTPUT POWER: 40 mW
WAVELENGTH: 775 - 800 nm
Control method of the current through a laser diode.
The resistor R166 on the MD MOUNT ASSY (For MD mechanism
assembly) are for the limiting of current through a laser diode.
Control method of the laser output power
The laser pick-up assembly provide the photo-diodes and APC
(Auto Power Control) circuit.
The photo-diode detect output of the laser diode then IC201 control
the APC circuit according to the signal voltage of the photo-diode via
IC101.
Laser Interlock Switch
The loading position detect switch is set to " LOAD ON " position,
IC201 get the " LOAD " signal, and hand the laser " LDON " signal to
APC (Auto Power Control) circuit of the Laser pick-up assembly.
Then a laser diode can be lighted when the " LOAD "signal is "
LOAD ON " position.
Additional Laser Caution
of MD RECORDER
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3
X-MDX707, XR-C2MD
S-C2-LR
5
XR-C2MD
3
4
10
11
13
16
2
1
12
14
1
Styloform F
4707900000
2
Styloform R
4707901000
3
Gift box
See Contrast table (2)
4
Operating Instructions
4707920003
(English/Chinese)
5
Mirror Mat
4700915000
6
· · · · ·
7
· · · · ·
8
· · · · ·
9
· · · · ·
NSP
10
AA batteries (R6P)
VEM-013
11
AM loop antenna
004690500013
12
Remote control unit
(CU-XR043)
0088041001
13
FM T-type antenna
004783500013
NSP
14
Polyethylene Bag
AHG7030
15
· · · · ·
16
Battery Cover
AZA7331
2. EXPLODED VIEWS AND PARTS LIST
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
The
mark found on some component parts indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical designation.
Screws adjacent to
mark on product are used for disassembly.
NOTES:
2.1 PACKING
(1) PACKING PARTS LIST
(2) CONTRAST TABLE
X-MDX707/LBWXJ and NLWXJ/HK are constructed the same except for the following :
Part No.
Mark No.
Symbol and Description
X-MDX707
X-MDX707
Remarks
/LBWXJ
/NLWXJ/HK
3
Gift box
4707911003
4707911002
Mark No.
Description
Part No.
Mark No.
Description
Part No.
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4
X-MDX707, XR-C2MD
Refer to "2.4 TOP PANEL ASSY".
Refer to "2.5 MD UNIT".
Refer to "2.2 UNIT ASSY (2/2)".
1
4
8
8
2
CONTROL
PCB
6
2
13
16
15
14
7P
14P
15P
4P
10P
7P
9
10
2
Insulation
Plate
12
11
2
8
5
8
1
1
A
A
1
POP Label
17
1
2
7
19
18
2
2
20
3
Refer to "2.3 FRONT UNIT".
2.2 UNIT ASSY (1/2)
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5
X-MDX707, XR-C2MD
1
Screw
CCZ30P060FMC
2
Screw
BBZ30P080FZK
3
Rear Panel
4707810001
4
Side Panel L
4707814001
5
Side Panel R
4707815001
6
Tray Panel
4707807001
NSP
7
Rear Label
See Contrast table (2)
8
Screw
BBT30P080FNI
9
CONTROL Unit
4707006000
10
Speaker Piezo CB13PA
002384700013
11
Wire Connector 14P (CN454) 4707561000
12
Wire Connector 15P (CN455) 4707562000
13
Flat Cable 4P
4707571000
14
Flat Cable 7P
4707573000
15
Wire Connector 7P
4707572000
16
Wire Connector 10P
4707574000
17
CD Label
4701855002
18
ANT Caution Label
4707854002
19
SP Caution Label
4707855002
20
Spacer
4707882000
(1) UNIT ASSY (1/2) PARTS LIST
Mark No.
Description
Part No.
(2) CONTRAST TABLE
XR-C2MD/LBWXJ and NLWXJ/HK are constructed the same except for the following :
Part No.
Mark No.
Symbol and Description
XR-C2MD
XR-C2MD
Remarks
/LBWXJ
/NLWXJ/HK
NSP
7
Rear Label
4707850003
4707850002

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