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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
C PIONEER CORPORATION 2001
K-ZZY. JAN. 2001 Printed in Japan
ORDER NO.
CRT2656
MULTI-CD CONTROL FM/AM CASSETTE DECK WITH 6 DISC IN-DASH CD CHANGER
FH-MG6406ZH
X1H/Q1
Service
Manual
HONDA
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module Remarks
CX-1011
CRT2406
3L
Cassette Mech. Module:Mech.Description, Disassembly
CX-890
CRT2376
G1
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................32
5. ELECTRICAL PARTS LIST ........................................53
6. ADJUSTMENT..........................................................62
7. GENERAL INFORMATION .......................................68
7.1 DIAGNOSIS ........................................................68
7.1.1 TEST MODE ..............................................68
7.1.2 DISASSEMBLY .........................................72
7.1.3 PCB LOCATIONS ......................................76
7.1.4 CONNECTOR FUNCTION DESCRIPTION77
7.2 PARTS .................................................................78
7.2.1 IC................................................................78
7.2.2 DISPLAY ....................................................82
7.3 EXPLANATION ...................................................83
7.3.1 OPERATIONAL FLOW CHART .................83
7.3.2 SYSTEM BLOCK DIAGRAM.....................84
8. OPERATIONS AND SPECIFICATIONS.....................85
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
VEHICLE
DESTINATION
PRODUCED AFTER
HONDA PART No.
ID No.
PIONEER MODEL No.
ACURA TL
HONGKONG
February 2001
39100-S0KY-U110-M1
3SBO
FH-MG6406ZH/X1H/Q1


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2
FH-MG6406ZH
- CD Player Service Precautions
1. For pickup unit(CXX1311) handling, please refer
to"Disassembly"(see page 72).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 64).
- When the Repair is Complete
When the repair is complete, make the CD mechanism
ready for transportation
implementing the following procedures:
1. Press the changer side 1 and 4 simultaneously to turn
the ACC on.
2. As the ACC is turned on, the disc indicator blinks in
red.
3. When the blinking is stopped, the mechanism is
ready for the transportation.
4. Attach the Transportation Bracket (CNC7878). Now
you can transport it.(See the figure below)
Transportation Bracket
(CNC7878)
Case
(CNB2451)


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FH-MG6406ZH
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.
1. SAFETY INFORMATION


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4
FH-MG6406ZH
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR


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5
FH-MG6406ZH
1 Screw
BMZ26P200FMC
2 Screw
BSZ26P040FMC
3 Screw
BSZ30P100FMC
4 Cushion
CNM6825
5 Cassette Mechanism ModuleEXK4210
6 Cushion
HNM6427
7 Insulator
HNM6622
8 Insulator
HNM6809
9 Heat Sink
HNR1576
10 Tuner Amp Assy
HWM7727
11 Screw
ASZ26P060FMC
12 FM/AM Tuner Unit
CWE1619
13 Holder
CNC6122
14 Terminal(CN402)
CKF1059
15 Connector(CN932)
CKM1208
16 Plug(CN931)
CKM1283
17 Plug(CN351)
CKM1312
18 Plug(CN601)
CKS3540
19 Connector(CN111)
CKS3568
20 Connector(CN701)
CKS3930
21 Antenna Jack(ANT401)
CKX1060
22 Holder
HNC8879
23 Holder
HNC8880
24 Holder
HNC8882
25 Holder
HNC8917
26 Screw
PRZ30P060FSN
27 Chassis Unit
HXB5818
28 Screw
BPZ26P100FMC
29 Grille Unit
CXB7071
30 Door
CAT2238
31 IC(IC901)
TDA7384
32 Transistor(Q821,831,956,957) 2SB942A
33 Keyboard Unit
HWM7728
34 LCD(LCD901)
CAW1597
35 Socket(CN901)
CKS3553
36 Rubber
HNV5882
37 Connector
CNV6570
38 Plate
HAH1677
39 Holder
HNC8241
40 Plate
HNM6175
41 Cushion
HNM6623
42 Lighting Conductor
HNV5719
43 Holder
HNV5722
44 Knob Unit
HXB5640
45 Screw
IMS30P050FMC
46 Screw
ISS26P055FUC
47 Screw
BMZ26P030FMC
48 ·····
49 Screw(M2x2)
CBA1250
50 Spring
CBH2361
51 Spring
CBH2365
52 Spring
CBH2409
53 Chassis
CNA2156
54 Case
CNB2451
55 Holder
CNC7477
56 Holder
CNC7826
57 Bracket
CNC7878
58 Holder
CNC8223
59 Holder
CNC8224
60 Sheet
CNM5981
61 Insulator
CNM6248
62 Sheet
CNM6318
63 Insulator
CNM6426
64 PCB
CNP5994
65 Damper
CNV5120
- EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
NOTE:
- Parts marked by "*"are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to
mark on the product are used for disassembly.