ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) 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 2004
FORD
DEH-MG2047ZF/XU/UC
CRT3266
6 DISC IN-DASH CD CHANGER WITH FM/AM TUNER
DEH-MG2047ZF
/XU/UC
This service manual should be used together with the following manual(s):
VEHICLE
DESTINATION
PRODUCED
AFTER
OEM PARTS No.
ID No.
PIONEER MODEL No.
F-250, F-350
U.S.A., CANADA
July 2004
5C3T-18C815-AG
-
DEH-MG2047ZF/XU/UC
Model No.
Order No.
Mech.Module
Remarks
CX-951
CRT2872
G2
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
For details, refer to "Important symbols for good services".
K-ZZW. MAY 2004 printed in Japan
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SAFETY INFORMATION
- Service Precaution
1. You should conform to the regulations governing the product (safety, radio and noise, and other regulations),
and should keep the safety during servicing by following the safety instructions described in this manual.
2. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors during
power-on mode may damage the ICs inside the unit.
3. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment
(shorting-solder) by referring to "the DISASSEMBLY" on page 63.
4. After replacing the pickup unit, be sure to check the grating. (See page 57.)
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
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
If you are not qualified to perform the repair of this product properly and safely, you should not risk
and refer the repair to a qualified service technician.
repair
warranty.
trying to do so
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
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CONTENTS
SAFETY INFORMATION......................................................................................................................................2
1. SPECIFICATIONS .............................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST.............................................................................................................5
2.1 PACKING ....................................................................................................................................................5
2.2 EXTERIOR .................................................................................................................................................6
2.3 MECHANISM ASSY(G2B)(SERVICE)(1) ...................................................................................................8
2.4 MECHANISM ASSY(G2B)(SERVICE)(2) .................................................................................................10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................12
3.1 BLOCK DIAGRAM ....................................................................................................................................12
3.2 TUNER AMP UNIT ...................................................................................................................................16
3.3 KEYBOARD UNIT ....................................................................................................................................22
3.4 CD MECHANISM MODULE(GUIDE PAGE) .............................................................................................24
4. PCB CONNECTION DIAGRAM ......................................................................................................................34
4.1 TUNER AMP UNIT ...................................................................................................................................34
4.2 KEYBOARD UNIT ....................................................................................................................................38
4.3 CD MECHANISM MODULE .....................................................................................................................40
5. ELECTRICAL PARTS LIST .............................................................................................................................46
6. ADJUSTMENT ................................................................................................................................................55
6.1 CD ADJUSTMENT ...................................................................................................................................55
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.....................................................57
6.3 TEST MODE(CD) .....................................................................................................................................59
7. GENERAL INFORMATION .............................................................................................................................63
7.1 DIAGNOSIS ..............................................................................................................................................63
7.1.1 DISASSEMBLY......................................................................................................................................63
7.1.2 CONNECTOR FUNCTION DESCRIPTION ..........................................................................................68
7.2 PARTS ......................................................................................................................................................69
7.2.1 IC ...........................................................................................................................................................69
7.2.2 DISPLAY ................................................................................................................................................76
7.3 EXPLANATION .........................................................................................................................................77
7.3.1 SYSTEM BLOCK DIAGRAM .................................................................................................................77
7.3.2 OPERATIONAL FLOW CHART .............................................................................................................78
7.4 NOTES ON SERVICING ..........................................................................................................................79
7.4.1 CLEANING ............................................................................................................................................79
7.4.2 FACTORY SETTINGS ...........................................................................................................................79
8. OPERATIONS .................................................................................................................................................80
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1. SPECIFICATIONS
General
Power source .............................................................................. 14.4V DC(14.2V-14.6V allowable)
Grounding system ....................................................................... Negative type
Backup current ............................................................................ 3mA or less
Dimensions ................................................................................. 198(W) x 130(H) x 202(D)mm
Weight ......................................................................................... 2.7kg
CD player
System ........................................................................................ Compact disc audio system
Usable discs ............................................................................... Compact disc
Signal format .............................................................................. Sampling frequency : 44.1kHz
Number of quantization : 16;linear
S/N .............................................................................................. 70dB or more
Distortion .................................................................................... 0.2% or less
FM tuner
Frequency ................................................................................... 87.75-107.9 MHz
Distortion ..................................................................................... 1.5% or less
IF interference ............................................................................. 120dB or more
Image interference ...................................................................... 50dB or more
AM tuner
Frequency ................................................................................... 530-1710 kHz
S/N 20dB useable sensibility ...................................................... 28dBµ 6dBµ
S/N .............................................................................................. 54dB 5dB
Distortion ..................................................................................... 2.0% or less
IF interference ............................................................................. 75dB or more
Image interference ...................................................................... 60dB or more
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2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
PACKING SECTION PARTS LIST
NOTES : · Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.
· Screw adjacent to
mark on the product are used for disassembly.
· For the applying amount of lobricants or glue, follow the instructions in this manual.
(In the case of no amount instructions,apply as you think it appropriate.)
"
Mark No.
Description
Part No.
*
1
Polyethylene Bag
CEG1317
2
Contain Box
CHL5150
3
Protector
CHP2755
4
Protector
CHP2756
5
Protector
CHP2753
6
Protector
CHP2754