PIONEER MIS21 II Service Manual

Cover page of PIONEER MIS21 II Service Manual

Service Manual for PIONEER MIS21 II, 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 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1999
RRV2129
STEREO POWER AMPLIFIER
M-IS21
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ................ 3
3. SCHEMATIC DIAGRAM ....................................... 6
4. PCB CONNECTION DIAGRAM ............................ 8
5. PCB PARTS LIST ............................................... 14
6. ADJUSTMENT .................................................... 16
CONTENTS
7. GENERAL INFORMATION ................................ 17
7.1 SINGLE OPERATION METHOD ................. 17
8. PANEL FACILITIES AND SPECIFICATIONS .... 18
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
T ­ ZZK APR. 1999 Printed in Japan
Type
Model
Power Requirement
Remarks
M-IS21
MYXJ
AC220-230V
NVXJ
AC230V
This product is a component of a system.
For the accessories, instruction manuals etc., refer to the service manuals RRV2124 for
XC-IS21MD and RRV2123 for XC-IS21T.
This product does not function properly when independent; to avoid malfunctions, be
sure to connect it to the prescribed system component(s), otherwise damage may
result.
Component
System
Service Manual
Remarks
IS-21MD
IS-21T
CD MD TUNER
XC-IS21MD
­­­
RRV2124
CD TUNER DECK
­­­
XC-IS21T
RRV2123
STEREO POWER AMPLIFIER
M-IS21
M-IS21
RRV2129
This Service Manual
SPEAKER SYSTEM
S-IS21
S-IS21
RRV2128
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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 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1999
RRV2129
STEREO POWER AMPLIFIER
M-IS21
1. SAFETY INFORMATION ...................................... 2
2. EXPLODED VIEWS AND PARTS LIST ................ 3
3. SCHEMATIC DIAGRAM ....................................... 6
4. PCB CONNECTION DIAGRAM ............................ 8
5. PCB PARTS LIST ............................................... 14
6. ADJUSTMENT .................................................... 16
CONTENTS
7. GENERAL INFORMATION ................................ 17
7.1 SINGLE OPERATION METHOD ................. 17
8. PANEL FACILITIES AND SPECIFICATIONS .... 18
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
T ­ ZZK APR. 1999 Printed in Japan
Type
Model
Power Requirement
Remarks
M-IS21
MYXJ
AC220-230V
NVXJ
AC230V
This product is a component of a system.
For the accessories, instruction manuals etc., refer to the service manuals RRV2124 for
XC-IS21MD and RRV2123 for XC-IS21T.
This product does not function properly when independent; to avoid malfunctions, be
sure to connect it to the prescribed system component(s), otherwise damage may
result.
Component
System
Service Manual
Remarks
IS-21MD
IS-21T
CD MD TUNER
XC-IS21MD
­­­
RRV2124
CD TUNER DECK
­­­
XC-IS21T
RRV2123
STEREO POWER AMPLIFIER
M-IS21
M-IS21
RRV2129
This Service Manual
SPEAKER SYSTEM
S-IS21
S-IS21
RRV2128
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M-IS21
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 Cod e Section 25249.6 ­ Proposition 65
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.
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.
ANY MEASUREMENTS NOT WITHIN THE
LIMITS OUTLINED ABOVE ARE INDICATIVE
OF A POTENTIAL SHOCK HAZARD AND
MUST BE CORRECTED BEFORE RETURN-
ING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related characteristics. These are
often not evident
from visual
inspection nor the
protection afforded by them necessarily can be obtained
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
additional copies
of, PIONEER Service Manual may be obtained at a
nominal charge from PIONEER.
(FOR USA MODEL ONLY)
1. SAFETY PRECAUTIONS
The following check should be performed for the
continued protection of the customer and service
technician.
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 0.5 mA.
Device
under
test
Leakage
current
tester
Earth
ground
Reading should
not be above
0.5 mA
Also test with
plug reversed
(Using AC adapter
plug as required)
Test all
exposed metal
surfaces
AC Leakage Test
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M-IS21
3
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:
Mark No.
Description
Part No.
2.1 PACKING
¶ PACKING PARTS LIST
2
1
4
3
1
Side Pad AL
AHA7238
2
Side Pad AR
AHA7239
3
Packing Case AMP MY
AHD7747
4
Packing Sheet
AHG7053
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M-IS21
4
28
11
15
20
19
8
7
36
29
31
4
10
C12
C1
1
9
5
36
28
6
27
32
32
32
38
37
25
13
16
36
36
26
36
32
32
36
32
32
32
36
34
32
14
1
2.2 EXTERIOR
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M-IS21
5
35
35
17
30
30
33
33
12
33
33
30
30
18
23
3
23
22
21
2
1
AF Assy
AWU7337
2
AMP Assy
AWU7340
3
POWER SUPPLY Assy
AWU7344
NSP
4
PRIMARY Assy
AWU7345
NSP
5
SECONDARY Assy
AWU7350
6
HP Assy
AWU7351
7
METER Assy
AWU7353
8
METER CONNECT Assy
AWU7356
9
Power Transformer
ATS7249
10
Fuse (FU1 : T2.5A)
REK1026
11
VU Meter
AAW7002
12
DC FAN Motor
AXM7003
NSP
13
Chassis A
ANA7086
14
Rear Panel
See Contrast table (2)
15
Lens A
AAK7614
16
Rubber Sheet
AEB1111
17
Mold A
AMR7005
18
Mold B
AMR7006
19
Lens Holder A
AMR7245
20
Refrector
AMR7248
21
Holder
ANG7009
22
Power PAC Holder
ANG7109
23
Heat Sink
ANH7058
24
· · · · ·
25
Escutcheon A
AAK7617
26
Top Panel
AAN7192
27
Front Panel A
AMB7564
28
Side Bonnet
ANE7242
29
Screw With Washer
ABA1005
30
Screw
ABA1021
31
Screw
FBT40P060FZK
32
Screw
BBZ30P080FMC
33
Screw
BBZ30P180FMC
34
Screw
BMZ30P060FZK
35
Screw
BPZ30P350FZK
36
Screw
VPZ30P080FMC
37
Binder
ZCA-SKB90BK
NSP
38
BIND Assy
AWU7349
Mark No.
Description
Part No.
Mark No.
Description
Part No.
(1) EXTERIOR PARTS LIST
Mark No.
Symbol and Description
Part No.
Remarks
MYXJ Type
NVXJ Type
14
Rear Panel
ANC7823
ANC7839
(2) CONTRAST TABLE
M-IS21/MYXJ and NVXJ are constructed the same except for the following :
Caution when disassemble.
Even if the power supply code is pulled out from the outlet, neither C11 nor C12 of AF ASSY are discharged.
Please discharge C11 and C12 of AF ASSY by the resistor of 100
or more before removing AF ASSY or POWER SUPPLY ASSY.
There is a possibility to destroy the transistor, and Please discharge by the resistor of 100
or more.

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