Pioneer M-L11 Service Manual
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Pioneer M-L11 Service Manual

Pioneer M-L11 Service Manual

Stereo power amplifier
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3 7 63 1515 0
STEREO POWER AMPLIFIER
M-L11
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
M-L11
MYXJ
NVXJ
TE
L 13942296513
¶ 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.
Component
STEREO CD TUNER
STEREO POWER AMPLIFIER
SPEAKER SYSTEM
STEREO CASSETTE DECK
MINIDISC RECORDER
CONTENTS
1. SAFETY INFORMATION .................................... 2
......................................................... 8
www
4. PCB CONNECTION DIAGRAM ....................... 14
5. PCB PARTS LIST ............................................. 20
6. ADJUSTMENT .................................................. 22
.
PIONEER CORPORATION
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
http://www.xiaoyu163.com
Power Requirement
AC220-230V
AC230V
Model
XC-L11
M-L11
S-L11-Q-LRW S-L11-S-LRW
CT-L11
MJ-L11
x
ao
u163
y
i
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
Service manual
RRV2470
RRV2479
RRV2483, RRV2484
RRV2471
RRV2472
7. GENERAL INFORMATION .............................. 23
7.1 DIAGNOSIS ................................................ 23
7.1.1 DISASSEMBLY ................................. 23
.................................................................... 26
co
.
9 4
2 8
ORDER NO.
RRV2479
Remarks
0 5
8
2 9
9 4
2 8
Remarks
This manual.
m
T-ZZK JULY 2001 Printed in Japan
9 9
9 9

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Summary of Contents for Pioneer M-L11

  • Page 1: Table Of Contents

    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 T–ZZK JULY 2001 Printed in Japan...

  • Page 2: Safety Information

    M-L11 3 7 63 1515 0 1. SAFETY INFORMATION LITHIUM BATTERY NOTICE WARNING! ADVARSEL! Lithiumbatteri − Eksplosionsfare ved Lithium batteries. Danger of explo- sion. Replacement must be done by fejlagtig håndtering. Udskiftning må kun qualified personnel and only by fol-...

  • Page 3: Exploded Views And Parts List

    M-L11 3 7 63 1515 0 2. EXPLODED VIEWS AND PARTS LIST NOTES : Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 4 M-L11 3 7 63 1515 0 2.2 EXTERIOR Note: when you order the bonnet (No.27), please order Caution Label (No.29) too and paste it to the bonnet. Refer to "2.3 HEAT SINK ASSY". L 13942296513 Holder Unit u163 http://www.xiaoyu163.com...
  • Page 5 M-L11 3 7 63 1515 0 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. AC IN Assy AWU7556 Nylon Rivet AEC7315 PRIMARY Assy AWU7557 Disc Guard PNM1245 SECONDRY Assy AWU7558 Foot (Rubber)
  • Page 6 M-L11 3 7 63 1515 0 2.3 HEAT SINK ASSY L 13942296513 • HEAT SINK ASSY SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. AMP Assy AWU7560 Heat Sink ANH7132 REG Assy AWU7561 Mica Sheet...
  • Page 7 M-L11 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 8: Block Diagram And Schematic Diagram

    M-L11 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3 7 63 1515 0 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 : AUDIO SIGNAL ROUTE...
  • Page 9 M-L11 3 7 63 1515 0 IC31 REG ASSY (AWU7561) The power supply is shown with the marked box. AKE1025 L 13942296513 BALANCED BUFFER IC3021 u163 (HP) (HP) http://www.xiaoyu163.com...
  • Page 10 M-L11 3 7 63 1515 0 3.2 AC IN, PRIMARY and SECONDRY ASSYS SECONDRY ASSY (AWU7558) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE WITH SAME TYPE NO. 491010 MFD. BY LITTELFUSE INC. FOR IC11 and IC12 (AEK7068).
  • Page 11 M-L11 3 7 63 1515 0 3.3 REG, HP and LED ASSYS REG ASSY (AWU7561) +18V –18V CN52 +21V L 13942296513 CN51 CN3953 (HP) (HP) LED ASSY (AWU7562) (HP) CN5601 J3953 V+12 V+12 u163 HP ASSY (AWU7563) http://www.xiaoyu163.com...
  • Page 12 M-L11 3 7 63 1515 0 3.4 AMP and COMPLEX ASSYS SIGNAL ROUTE : AUDIO SIGNAL : AUDIO SIGNAL (CENTER) (HP) : AUDIO SIGNAL (HEADPHONE) BALANCED BUFFER 8.8V CN3012 –8.8V (HP) (HP) (HP) –8.8V L 13942296513 8.8V (HP) –28V –28V...
  • Page 13 M-L11 3 7 63 1515 0 CN51 CN11 The power supply is shown with the marked box. CN3001 CN3011 L 13942296513 CN3801 AKE1025 CN5801 ∗ CN3802 L3081–L3083: ATH–059 R3081–R3083: 100 CN3651 u163 COMPLEX ASSY (AWU7559) http://www.xiaoyu163.com...

  • Page 14: Pcb Connection Diagram

    M-L11 3 7 63 1515 0 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS: Symbol in PCB Symbol in Schematic Part Name 1. Part numbers in PCB diagrams match those in the schematic Diagrams Diagrams diagrams. 2. A comparison between the main parts of PCB and schematic diagrams is shown below.
  • Page 15 M-L11 3 7 63 1515 0 SIDE B SECONDRY ASSY PRIMARY ASSY L 13942296513 (ANP7345–E) (ANP7345–E) AC IN ASSY u163 (ANP7345–E) http://www.xiaoyu163.com...
  • Page 16 M-L11 3 7 63 1515 0 4.2 COMPLEX, AMP, REG, HP and LED ASSYS SIDE A COMPLEX ASSY REG ASSY IC31 L 13942296513 IC53 IC54 (ANP7345–E) Front u163 (ANP7345–E) http://www.xiaoyu163.com...
  • Page 17 M-L11 3 7 63 1515 0 SIDE A AMP ASSY IC3401 IC3301 L 13942296513 To FAN MOTOR IC3411 LED ASSY (ANP7345–E) HP ASSY u163 (ANP7345–E) (ANP7345–E) http://www.xiaoyu163.com...
  • Page 18 M-L11 3 7 63 1515 0 SIDE B COMPLEX ASSY AMP ASSY Q3471 Q3474 Q3402 Q5803 Q3312 Q5804 Q3401 IC5801 IC3401 Q3659 Q5802 Q3311 Q3313 IC3451 L 13942296513 IC3901 Front IC3021 Q3023 Q3024 LED ASSY IC3001 HP ASSY (ANP7345–E)
  • Page 19 M-L11 3 7 63 1515 0 SIDE B Q3603 REG ASSY Q3602 Q3604 Q3607 IC51 Q3654 Q3651 Q3652 L 13942296513 Q3653 Q5601 (ANP7345–E) Front u163 (ANP7345–E) http://www.xiaoyu163.com...

  • Page 20: Pcb Parts List

    M-L11 3 7 63 1515 0 5. PCB 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.
  • Page 21 M-L11 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. Q51, Q52 2SD2395 2SD2395 AMP ASSY D53, D54 1SS355 SEMICONDUCTORS MTZJ6.8B D55, D56 UDZS5.1B IC3001, IC3451, IC3901 BA4558F-HT IC3021 M62421FP CAPACITORS IC3301 STK402-040...

  • Page 22: Adjustment

    M-L11 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. R5806 RD1/4PU222J OTHERS R5808 RD1/4PU223J 3953 7P CABLE HOLDER 51048-0700 R3699 RD1/4PU330J J 3953 JUMPER WIRE D20PYY0710E R5823 RD1/4PU472J CN3012 19P SOCKET KP200TA19L...

  • Page 23: General Information

    M-L11 3 7 63 1515 0 7. GENERAL INFOMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY 20–30 degrees apporox. L 13942296513 Disconnect the CN3953 Remove the Front Panel. Remove the Bonnet Case. COMPLEX Assy u163 Remove the Rear panel. http://www.xiaoyu163.com...

  • Page 24: Single Operation Method

    M-L11 3 7 63 1515 0 7.1.2 SINGLE OPERATION METHOD Voltage of each part and method of diagnosing each IC Test Point for Service FOR SERVICE COMPLEX ASSY COMPLEX ASSY COMPLEX ASSY 1. AC RY SIDE B FOR SERVICE 3.
  • Page 25 M-L11 3 7 63 1515 0 Diagnosis Points For IC3001 confirmation R– For IC3901 confirmation GNDA For IC3301 confirmation L– For IC3451 confirmation For IC3401 confirmation ROUT LOUT COMPLEX ASSY FRONT AMP ASSY L 13942296513 R IN SIDE B...

  • Page 26: Panel Facilities And Specifications

    M-L11 3 7 63 1515 0 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES 8.2 SPECIFICATIONS 1 Power indicator – lights when the system is on Continuous Power (RMS) Satellite ... 30 W + 30 W (3 kHz, THD 10%, 8 Ω) 2 Headphone jack –...

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