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Popular Pioneer IS-21MD Manual Pages
Service Manual - Page 1
...IS21
S-IS21
Service Manual
Remarks
RRV2124 RRV2123 RRV2129 RRV2128
This Service Manual
CONTENTS
1. SAFETY INFORMATION 2 2. EXPLODED VIEWS AND PARTS LIST 3 3. PCB CONNECTION DIAGRAM 8 5. GENERAL INFORMATION 17 7.1 SINGLE OPERATION METHOD 17
8. ZZK APR. 1999 Printed in Japan Component
CD MD TUNER CD TUNER DECK STEREO POWER AMPLIFIER SPEAKER SYSTEM
System
IS-21MD
IS-21T
XC-IS21MD...
Service Manual - Page 2
...be above 0.5 mA
Test all exposed metal parts of this Service Manual. Replacement parts which are identified in this Service Manual, may create shock, fire, or other reproductive harm.
A subscription to properly and safely repair complex products such as those covered by connecting a leakage current tester such as Simpson Model 229-2 or equivalent between the earth ground...
Service Manual - Page 3
M-IS21
2. Therefore, when replacing, be sure to mark on some component parts indicates the importance of the safety factor of identical designation. The mark found on product are not in our Master Spare Parts List. AHA7238 AHA7239 AHD7747 AHG7053
3 3 Screws adjacent to use parts of the part. EXPLODED VIEWS AND PARTS LIST
NOTES:
Parts marked by "NSP" are...
Service Manual - Page 5
... removing AF ASSY or POWER SUPPLY ASSY. M-IS21
Caution when disassemble. Even if the power supply code is a possibility to destroy the transistor, and Please discharge by the resistor of 100 Ω ...21
18
30 12
30 23
22
30
23 30
33
17
35
35
33 3
(1) EXTERIOR PARTS LIST
Mark No.
MYXJ Type
14 Rear Panel
ANC7823
NVXJ Type ANC7839
VPZ30P080FMC ZCA-SKB90BK AWU7349
Remarks
...
Service Manual - Page 7
... FIRE. CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE NO. 4911.25, MFD BY LITTELFUSE INK. FOR IC33 (AEK7048).
: AUDIO SIGNAL ROUTE
7
8
M-IS21
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST"
A
B
F HP ASSY (AWU7351)
G
METER ASSY (AWU7353)
H
METER CONNECT...
Service Manual - Page 8
...of PCB diagrams
Connector
Capacitor
SIDE A
BCE
B C EB C E
Transistor with the schematic diagram. to check with resistor
P.C.Board
Chip Part SIDE B
DGS
D G SD G S
Field effect transistor
Resistor array
B
3-terminal regulator
4.1 PRIMARY and SECONDARY ASSYS
E
SECONDARY ASSY
D
PRIMARY ASSY
C
A
3101
POWER TRANSFORMER
(ANP7300-C)
D
SIDE A
8DE
1
2
AA
N ...
Service Manual - Page 14
...into code form as in our Master Spare Parts List.
Description
C83 C3601 C41 C31 C3621
C21, C22 C82 C3325 C3331-C3334 C9011
Part No....NJM4558MD STK407-070B 2SA1037K 2SC2412K 2SD2114K
2SK246 DTA124EK IRFI9Z34G IRFIZ34G 1SR139-100
14 Therefore, when replacing, be sure to use parts of the part.
PCB PARTS LIST
NOTES:
Parts marked by J=5%,
and K=10%).
560
56 x 101
561
RD1/4PU 5 6 ...
Service Manual - Page 15
...SEMICONDUCTORS
IC41 PROTECTOR(3.5A) IC31 PROTECTOR(4A) IC21, IC22 PROTECTOR(5A) IC11, IC12 PROTECTOR(7A)
OTHERS
3001
12P CABLE HOLDER
F HP ASSY
COILS AND FILTERS
L3992-L3994 CHIP BEADS
CAPACITORS
C3991, C3995, C3996
RESISTORS
R3991, R3992
OTHERS
3004 3991 J3004
...Mark No. RD1/2LMF121J
RD1/2LMF910J
RD1/2PM330J
RS1/10S
J
AKM7012
D PRIMARY ASSY
PRIMARY assembly has no service part.
Service Manual - Page 16
.../10S
J
51048-0300 51048-0400 D20PYY0410E
H METER CONNECT ASSY
SEMICONDUCTORS
D5603 D5602
MTZJ5.6C NSPBF50S-8451
RESISTORS
All Resistors
RS1/10S
J
OTHERS
5602 J5601
3P CABLE HOLDER 3P JUMPER WIRE
51048-0300 D20PYY0315E
6. ADJUSTMENT
There is no information to be shown in this chapter.
16
Description
RESISTORS
All Resistors
OTHERS
5601...
Service Manual - Page 17
...
17 Please discharge C11 and C12 of AF ASSY by connecting A point in four places is a possibility to input terminal (JA3333) with CD PLAYER etc. , the output becomes a large volume because there are 40dB GAIN of a single operation are discharged.
GND is not common because...IS21
7. RY MUTE
12V ON OFF
CONT 5V ON ON
0V OFF ON
4. Even if the power supply code is turned on. 3.
Service Manual - Page 18
... 100 W + 100 Wz (1 kHz, THD 10%, 6 Ω) Continuous Power (DIN 65 W + 65 W (1 kHz, THD 1%, 6 Ω) Music Power (DIN 150 W + 150 W (1 kHz, THD 1%, 6 Ω) ¶ Above specifications are for when the power supply is 230 V.
¶
7 Micellaneous Power Requirements AC220-230 V, 50/60 Hz Power Consumption 120 W Power Consumption in standby mode...
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