PIONEER DRM-6NX/TUCYV Service Manual

Cover page of PIONEER DRM-6NX/TUCYV Service Manual

Service Manual for PIONEER DRM-6NX/TUCYV, downloadable as a PDF file.

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ORDER NO.
PIONEER ELECTRONIC 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 Allexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1999
c
RRV2103
DRM-6NX
T ­ ZZY FEB. 1999 Printed in Japan
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
NETWORK CACHE CHANGER
Model
DRM-6NX
Type
Power Requirement
Remarks
TUCYV
O
AC110 - 240V
CONTENTS
1. SAFETY INFORMATION .................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............. 4
3. SCHEMATIC DIAGRAM ................................... 14
4. PCB CONNECTION DIAGRAM ....................... 26
5. PCB PARTS LIST ............................................. 32
6. ADJUSTMENT .................................................. 35
7. GENERAL INFORMATION .............................. 45
7.1 IC ................................................................ 45
7.2 DIAGNOSIS ............................................... 46
7.2.1 DIAGNOSIS METHOD FOR MULTI
MECHA ASSY AND HDD ................. 46
7.2.2 DISASSEMBLY ................................. 46
7.2.3 TROUBLESHOOTING ...................... 48
7.2.4 UPGRADING THE NETWORK
CACHE CHANGER .......................... 53
7.3 BLOCK DIAGRAM .................................... 56
8. PANEL FACILITIES AND SPECIFICATIONS
................................................................... 57
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ORDER NO.
PIONEER ELECTRONIC 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 Allexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1999
c
RRV2103
DRM-6NX
T ­ ZZY FEB. 1999 Printed in Japan
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
NETWORK CACHE CHANGER
Model
DRM-6NX
Type
Power Requirement
Remarks
TUCYV
O
AC110 - 240V
CONTENTS
1. SAFETY INFORMATION .................................... 2
2. EXPLODED VIEWS AND PARTS LIST ............. 4
3. SCHEMATIC DIAGRAM ................................... 14
4. PCB CONNECTION DIAGRAM ....................... 26
5. PCB PARTS LIST ............................................. 32
6. ADJUSTMENT .................................................. 35
7. GENERAL INFORMATION .............................. 45
7.1 IC ................................................................ 45
7.2 DIAGNOSIS ............................................... 46
7.2.1 DIAGNOSIS METHOD FOR MULTI
MECHA ASSY AND HDD ................. 46
7.2.2 DISASSEMBLY ................................. 46
7.2.3 TROUBLESHOOTING ...................... 48
7.2.4 UPGRADING THE NETWORK
CACHE CHANGER .......................... 53
7.3 BLOCK DIAGRAM .................................... 56
8. PANEL FACILITIES AND SPECIFICATIONS
................................................................... 57
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DRM-6NX
2
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.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause
cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 ­ Proposition 65
1. SAFETY PRECAUTIONS
The following check should be performed for the
continued protection of the customer and service
technician.
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A PO-
TENTIAL SHOCK HAZARD AND MUST BE COR-
RECTED BEFORE RETURNING THE APPLIANCE
TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appli-
ance have special safety related characteristics. These
are often not evident from visual inspection nor the
protection afforded by them necessarily can be ob-
tained by using replacement components rated for
voltage, wattage , etc.
Replacement parts which have
these special safety
characteristics are identified in
this Service Manual.
Electrical components having such features are
identified by marking with a
on the schematics and
on the parts list in this Service Manual.
The use of a substitute replacement component which
does not have the same safety characteristics as the
PIONEER recommended replacement one, shown in
the parts list in this Service Manual, may create shock,
fire, or other hazards.
Product Safety is continuously under review and
new instructions are issued from time to time. For
the latest information, always consult the current
PIONEER Service Manual. A subscription to, or
ad-
ditional copies of, PIONEER Service Manual may be
obtained at a nominal charge from PIONEER.
LEAKAGE CURRENT CHECK
Measure leakage current to a known earth ground
(water pipe, conduit, etc.) by connecting a leakage
current tester such as Simpson Model 229-2 or
equivalent between the earth ground and all exposed
metal parts of the appliance (input/output terminals,
screwheads, metal overlays, control shaft, etc.). Plug
the AC line cord of the appliance directly into a 120V
AC 60 Hz outlet and turn the AC power switch on. Any
current measured must not exceed 3.5 mA.
(FOR USA MODEL ONLY)
Also test with plug
reversed
(Using AC adapter
plug as required)
Device
under
test
Test all exposed
metal surfaces
Earth ground
Leakage
current
tester
Reading should
not be above
3.5 mA
AC Leakage Test
REMARQUE
(POUR MODÈLE CANADIEN SEULEMENT)
Les symboles de fusible
(fusible de type rapide) et/ou
(fusible de type lent) sur CCI indiquent que les
pièces de remplacement doivent avoir la même désignation.
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols
(fast operating fuse) and/or
(slow operating fuse) on PCB indicate that replacement parts
must be of identical designation.
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DRM-6NX
3
1. Laser Interlock Mechanism
The ON/OFF (ON: low level, OFF: high
level) status of the LPS1 (S601) switch for
detecting the loading state is detected by
the system microprocessor, and the
design prevents laser diode oscillation
when LPS1 (S601) is not ON (low level)
(clamped srate).
Thus, interlock will no longer function if
switch LPS1 (S601) is deliberately
shorted.
In the test mode
the interlock mechanism
will not function.
Laser diode oscillation will continue, if pin 2
of AN8849SB (IC201) on the MAIN
BOARD assy is connected to GND, or else
the terminals of Q201 are shorted to each
other (fault condition).
2. When the cover is opened with the servo
mechanism block removed to be turned
over, close viewing of the objective lens
with the naked eye will cause exposure to
a Class 1 laser beam.
Additional Laser Caution
LABEL CHECK
Refer to page 36.
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
MAXIMUM OUTPUT POWER: 5 mw
WAVELENGTH: 780 - 785 nm
(Holder Top)
(Synchronize Lever Top)
(HDD Stay Assy Top)
(HDD Stay Assy Top)
HDD Stay Assy
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4
DRM-6NX
2.1 PACKING
2. EXPLODED VIEWS AND PARTS LIST
NOTES:
· 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 the product are used for disassembly.
1
7
4
5
2
10
15
11
8
17
18
14
12
13
16
2
9
6
3
FRONT
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5
DRM-6NX
· PACKING PARTS LIST
1
Power Cable (for U.S.and Canada) DDG1071
2
6-Disc Magazine
DXA1864
3
Power Button Cover
DNK3626
4
Operating Instructions
DRB1239
(English)
5
Operating Instructions
DRB1243
(German)
6
Label
DRW1928
NSP
7
Polyethylene Bag
Z21-002
NSP
8
Polyethylene Bag
Z21-006
9
Polyethylene Bag
Z21-014
(165
× 200 × 0.03)
10
Polyethylene Bag
Z21-038
(0.03
× 230 × 340)
11
Pad A
DHA1421
12
Pad B
DHA1422
13
Packing Case
DHG1879
14
Sheet
DHL-125
15
Polyethylene Bag
DHL1020
NSP
16
Label
VRW1629
NSP
17
Network Board
Serial Number Label
········
18
SCSI Connector Cover
FCN-780C050-14
Mark No.
Description
Parts No.

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