PIONEER X-MDX717/LBXCN Service Manual

Cover page of PIONEER X-MDX717/LBXCN Service Manual

Service Manual for PIONEER X-MDX717/LBXCN, 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 NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2000
c
X-MDX717
RRV2384
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 ............................................... 53
6. ADJUSTMENT .................................................... 60
CONTENTS
7. GENERAL INFORMATION ................................ 64
7.1 DIAGNOSIS .................................................. 64
7.1.1 TROUBLESHOOTING ........................... 64
7.1.2 DISASSEMBLY/ASSEMBLY .................. 73
7.2 PARTS .......................................................... 82
7.2.1 IC ............................................................ 82
7.2.2 DISPLAY ................................................. 86
8. PANEL FACILITIES AND SPECIFICATIONS ....... 89
T ­ ZZR SEPT. 2000 Printed in Japan
XR-MDX717
MD/CD COMPONENT SYSTEM
Type
Model
Power Requirement
Remarks
X-MDX717
LBXCN
AC110V
NLWXCN/HK
AC220V
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
¶ This product is a system(s) component.
Component
Model
Service manual
Remarks
X-MDX717
STEREO MD/CD CASSETTE DECK RECEIVER
XR-MDX717
RRV2384
This manual.
SPEAKER SYSTEM
S-C3-S-LR
RRV2391
0
PUSH OPEN
STEREO MD/CD DECK RECEIVER SYSTEM XR-MDX717
CD1
COLOR SELECTER
LINE IN
CD2
CD3
3-DISC MULTI CD PLAYER
LINE
TAPE
MD
CD
TUNER
EASY OPERATION SYSTEM MD SYSTEM
AUTO
REVERSE
STEREO
CASSETTE TAPE
DECK
7
¡
1
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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 NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2000
c
X-MDX717
RRV2384
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 ............................................... 53
6. ADJUSTMENT .................................................... 60
CONTENTS
7. GENERAL INFORMATION ................................ 64
7.1 DIAGNOSIS .................................................. 64
7.1.1 TROUBLESHOOTING ........................... 64
7.1.2 DISASSEMBLY/ASSEMBLY .................. 73
7.2 PARTS .......................................................... 82
7.2.1 IC ............................................................ 82
7.2.2 DISPLAY ................................................. 86
8. PANEL FACILITIES AND SPECIFICATIONS ....... 89
T ­ ZZR SEPT. 2000 Printed in Japan
XR-MDX717
MD/CD COMPONENT SYSTEM
Type
Model
Power Requirement
Remarks
X-MDX717
LBXCN
AC110V
NLWXCN/HK
AC220V
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
¶ This product is a system(s) component.
Component
Model
Service manual
Remarks
X-MDX717
STEREO MD/CD CASSETTE DECK RECEIVER
XR-MDX717
RRV2384
This manual.
SPEAKER SYSTEM
S-C3-S-LR
RRV2391
0
PUSH OPEN
STEREO MD/CD DECK RECEIVER SYSTEM XR-MDX717
CD1
COLOR SELECTER
LINE IN
CD2
CD3
3-DISC MULTI CD PLAYER
LINE
TAPE
MD
CD
TUNER
EASY OPERATION SYSTEM MD SYSTEM
AUTO
REVERSE
STEREO
CASSETTE TAPE
DECK
7
¡
1
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2
X-MDX717, XR-MDX717
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-MDX717, XR-MDX717
1
Styloform F
9001070050
2
Styloform R
9002070050
3
Gift box
See Contrast table (2)
4
Operating Instructions
9A80000080
(English/Chinese)
5
Mirror Mat
9003070050
6
· · · · ·
7
· · · · ·
8
· · · · ·
NSP
9
Polyethylene Bag
9901002640
NSP
10
AA batteries (R6P)
VEM-005
11
AM loop antenna
4300103510
12
Remote control unit
(AXD-7260)
R010­01
13
FM T-type antenna
5401160021
NSP
14
Polyethylene Bag
AHG7030
15
· · · · ·
16
Battery Cover
100307R010
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
Mark No.
Description
Part No.
Mark No.
Description
Part No.
5
XR-MDX717
1
12
9
4
10
11
13
2
S-C3-S-LR
14
3
16
(2) CONTRAST TABLE
X-MDX717/LBXCN and NLWXCN/HK are constructed the same except for the following :
Part No.
Mark No.
Symbol and Description
X-MDX717
X-MDX717
Remarks
/LBXCN
/NLWXCN/HK
3
Gift box
9005070050
9007070050
(1) PACKING PARTS LIST
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4
X-MDX717, XR-MDX717
2.2 UNIT ASSY (1/2)
1
4
8
8
25
CONTROL
PWB
6
25
14
7P
14P
15P
10P
9
10
25
Insulation
Plate
12
11
25
8
5
8
1
1
A
A
1
17
1
24 2
24
7
19
18
24
2
20
3
23
22
26
21
Refer to "2.4 FRONT UNIT SECTION"
Refer to "2.3 UNIT ASSY(2/2)
SECTION"
Refer to "2.6 MD UNIT SECTION"
Refer to "2.5 TOP PANEL
ASSY SECTION"
F
G
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5
X-MDX717, XR-MDX717
(1) UNIT ASSY (1/2) PARTS LIST
Mark No.
Description
Part No.
1
Screw
CCZ30P060FMC
2
Screw
BPZ30P100FZK
3
Rear Panel
1003070050
4
Side Panel L
1024070050
5
Side Panel R
1025070050
6
Tray Panel
2028070050
NSP
7
Rear Label
See Contrast table (2)
8
Screw
BBT30P080FNI
9
CONTROL PWB ASSY
C142279311
10
Speaker Piezo
4001000292
11
14P CON. ASSY (CN454)
C488141903
12
15P CON. ASSY (CN455)
C488151904
13
· · · ·
14
7P CON. ASSY
C48F070811
15
· · · ·
16
· · · ·
17
CD Label
1028070050
18
ANT Caution Label
9A10000770
19
SP Caution Label
9A10000800
20
Spacer
2041070050
21
SP Light Label
9A10000820
22
4P CON. ASSY
C48F040811
23
SP. SOCKET PWB ASSY
C142279320
24
Screw
BCZ30P060FZK
25
Screw
BBZ30P060FMC
26
Lasser Caution Label
9A10000830
(2) CONTRAST TABLE
XR-MDX717/LBXCN and NLWXCN/HK are constructed the same except for the following :
Part No.
Mark No.
Symbol and Description
XR-MDX717
XR-MDX717
Remarks
/LBXCN
/NLWXCN/HK
NSP
7
Rear Label
9A10000750
9A10000740

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