Pioneer ML-11 Service manual
ORDER NO.
RRV2479
STEREO POWER AMPLIFIER
M-L11
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
M-L11
MYXJ AC220–230V
NVXJ AC230V
¶ This product is a system(s) component.
This product does not function properly independently ; to avoid malfunctions, be
sure to connect it to the prescribed system component(s), otherwise damage may
result.
¶ Please connect it to the STEREO CD TUNER XC-L11, for adjustment and operation
inspection.
RemarksPower RequirementType
Component Model Service manual Remarks
STEREO CD TUNER XC-L11 RRV2470
STEREO POWER AMPLIFIER M-L11 RRV2479 This manual.
SPEAKER SYSTEM S-L11-Q-LRW S-L11-S-LRW RRV2483, RRV2484
STEREO CASSETTE DECK CT-L11 RRV2471
MINIDISC RECORDER MJ-L11 RRV2472
CONTENTS
1. SAFETY INFORMATION....................................2
2. EXPLODED VIEWS AND PARTS LIST .............3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
.........................................................8
4. PCB CONNECTION DIAGRAM .......................14
5. PCB PARTS LIST.............................................20
6. ADJUSTMENT.................................................. 22
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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2001
7. GENERAL INFORMATION ..............................23
7.1 DIAGNOSIS................................................23
7.1.1 DISASSEMBLY .................................23
7.1.2 SINGLE OPERATION METHOD ...... 24
8. PANEL FACILITIES AND SPECIFICATIONS
....................................................................26
T–ZZK JULY 2001 Printed in Japan
M-L11
1. SAFETY INFORMATION
LITHIUM BATTERY NOTICE
WARNING!
Lithium batteries. Danger of explosion. Replacement must be done by
qualified personnel and only by following the instructions given in the
service manual.
This warning is stated on the product or in the operating instructions.
When replacing the lithium batteries, follow the note below.
Dispose of the used battery promptly. Keep away from children. Do
not disassemble and do not dispose of in fire.
The battery used in this device may present a fire or chemical hazard
if mistreated. Do not recharge, disassemble, heat above 100 ˚C or
incinerate. Replace only with the same Part Number. Use of another
battery may present a risk of fire or explosion.
Note: The lithium battery installation position is shown in the
exploded views.
ADVARSEL!
Lithiumbatteri − Eksplosionsfare ved
fejlagtig håndtering. Udskiftning må kun
ske med batteri af samme fabrikat og
type. Levér det brugte batteri tilbage til
leverandøren.
Denne advarsel or angivet på produktet eller i brugsvejledningen.
Ved udskiftning af lithium batterierne følges nedenstående
anveisning.
Batterierne må kun udskiftes med batterier af samme type og
mærke.
2
18
13
6
7
(MYXJ only)
19
1
15
16(1/2)
20
(MYXJ only)
3 (MYXJ type)
FRONT
3 (NVXJ type)
21
(MYXJ only)
13
2
8
14
14
10
11
12
5
9
4
17
16(2/2)
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.
Screw adjacent to mark on the product are used for disassembly.
2.1 PACKING
M-L11
(1) PACKING PARTS LIST
Mark No. Description Part No.
1 System Cable (20P) ADE7057
2 Display cable (10P) ADE7077
3 AC Power Cord
4 Fuse (T5A)
5 FM Wire Antenna ADH7005
6 Operating Instructions ARE7277
(English/French)
7 Operating Instructions
NSP 8 Warranty Card ARY7022
9 Loop Antenna ATB7009
10 Remote control Unit AXD7306
(2) CONTRAST TABLE
MYXJ type and NVXJ type are constructed the same except for the following:
Mark
No.
3 AC Power Cord ADG1154 ADG1156
4 Fuse (T5A) Not used AEK7001
7 Operating Instructions (Spanish/Dutch) ARC7337 Not used
18 Packing Case AHD8002 AHD8001
20 Operating Instructions (German/Italian) ARC7375 Not used
21 Operating Instructions (Swedish/Portuguese) ARC7376 Not used
Symbol and Description
See Contrast table (2)
See Contrast table (2)
See Contrast table (2)
Mark No. Description Part No.
11 Battery Lid AZN7834
NSP 12 Lithium Battery (CR2025) VEM1009
13 Vinyl Bag (115 × 270 × 0.05) Z21–013
NSP 14 Polyethylene Bag Z21–038
(0.03 × 230 × 340)
15 Front Pad A AHA7368
16 Rear Pad A AHA7369
17 Spacer AMP AHB7058
18 Packing Case
19 Sheet Z23–026
20 Operating Instructions
21 Operating Instructions
Part No.
MYXJ type NVXJ type
See Contrast table (2)
See Contrast table (2)
See Contrast table (2)
Remarks
3
M-L11
2.2 EXTERIOR
27
30
21
18
A
30
29
Note: when you order the bonnet (No.27),
please order Caution Label (No.29) too
and paste it to the bonnet.
30
16
H
30
30
33
B
8
16
4
30
A
1
A
16
Refer to "2.3 HEAT SINK ASSY".
25
30
B
20
21
24
17
7
32
32
3
C
12
Holder Unit
26
5
31
19
F
31
E
31
11
6
22
2
B
30
15
28
31
30
23
15
13
31
31
31
10
9
14
14
30
4
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No.
M-L11
Mark No. Description Part No.
1 AC IN Assy AWU7556
2 PRIMARY Assy AWU7557
3 SECONDRY Assy AWU7558
4 COMPLEX Assy AWU7559
5 LED Assy AWU7562
6 HP Assy AWU7563
7 Power Transformer (T1) ATS7278
8 Fuse (FU1) (T2AL250V) REK1025
NSP 9 Chassis ANA7110
10 Rear Panel ANC8029
11 Erath Plate ANG7331
12 Lens Bracket AAK7766
13 Rear Mold AAX7803
14 Leg AEB7090
15 PCB Holder AEC7057
NSP 16 PCB Spacer (3×6) AEC7156
17 Bottom Barrier AEC7283
18 Side Barrier AEC7285
NSP 19 PCB Spacer AEC7289
20 Sub Barrier AEC7312
21 Nylon Rivet AEC7315
22 Disc Guard PNM1245
23 Foot (Rubber) REC-434
NSP 24 Card Spacer REC1156
25 Front Panel AMB7702
26 LED Lens PNW2019
27 Bonnet AZN7837
NSP 28 Label
29 Caution Label ARW7146
30 Screw BBZ30P080FNI
31 Screw BPZ30P100FZK
32 Screw FBT40P060FCC
33 Spacer AEB7224
See Contrast table (2)
(2) CONTRAST TABLE
MYXJ type and NVXJ type are constructed the same except for the following:
Symbol and DescriptionNo.Mark
NSP 28 Label ARW7134 ARW7133
MYXJ type NVXJ type
Part No.
Remarks
5
M-L11
2.3 HEAT SINK ASSY
12
G
10
5
1
7
9
10
5
9
8
9
6
D
6
2
12
8
9
3
11
4
11
• HEAT SINK ASSY SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 AMP Assy AWU7560
2 REG Assy AWU7561
3 DC Fan Motor AXM7014
4 Power Pac Holder ANG7109
5 Heat Plate ANG7328
6 Heat Sink ANH7132
7 Mica Sheet AEE7036
8 Fan Mold AMR7321
9 Screw ABA1021
10 Screw BBZ30P080FNI
11 Screw BBZ30P160FMC
12 Screw BPZ30P350FZK
6
M-L11
7
1
234
M-L11
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "PCB PARTS LIST".
3.1 BLOCK DIAGRAM and OVERALL CONNECTION DIAGRAM
A
: AUDIO SIGNAL ROUTE
PRIMARY ASSY
(AWU7557)
B
IC41
T1 POWER TRANSFORMER
B
H
COMPLEX ASSY
(AWU7559)
D3001
D11
D21
C
SECONDRY ASSY
LIVE
NEUTRAL
(AWU7558)
C
D
A
AC IN ASSY
(AWU7556)
8
1234
LED ASSY
(AWU7562)
AC POWER
CORD
F
E
HP ASSY
(AWU7563)
G
AMP ASSY
(AWU7560)
(HP)(HP)
(HP)
(HP)
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