Pioneer DEH-MG2047 User manual

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 CHANGERWITH FM/AMTUNER
DEH-MG2047 ZF
/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. EXPLODEDVIEWS AND PARTS LIST
2.1 PACKING
PACKING SECTION PARTS LIST
N
OTES : • 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

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2.2 EXTERIOR
A
B
C
D
A
B
C
D
66
59
55
10
1
55
55
55
55
11
1
55
71
58
60
61 65
55
55
57
61
65
2
63
58
61
65
57
65 61
70
667 62 62
56
62
62
62
69
68
56
64
33 33
33
33
33
33
37
74
74
36
33 33
73
5
34
75
41
40
38
43
44
39
76
47
74
42
45
46
48 49
51
52
50 53
74 44
72
8
14
32
2
9
15
28
27
16
25
19
29
18
17
20
23
16
16
16
16
16
31
32
30
21
22
74
74
74
26
722
3
3
4
13
2
2
2
2
22
54
12
24
35
77
A
B
C
80
79
78
78
79
81

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EXTERIOR SECTION PARTS LIST
Mark No. Description Part No.
1 Screw BMZ50P080FTC
2 Screw BSZ26P060FTC
3 Screw BSZ26P080FTC
4 Screw BSZ26P180FTC
5 Screw(M2.6x14) CBA1632
6 Connector CDE7271
7 Chassis CNA2626
8 Holder CND1497
9 Holder CND1503
10 Bracket CND2180
11 Bracket CND2181
12 Sheet CNM8524
13 Cushion CNM8664
14 Heat Sink CNR1689
15 Tuner Amp Unit CWM8869
16 Screw ASZ26P080FTC
17 Clamper CEF1035
18 Connector(CN722) CKM1455
19 Plug(CN721) CKM1384
20 Connector(CN723) CKS3124
21 Connector(CN725) CKS3859
22 Connector(CN724) CKS4575
23 Holder CND1498
24 Holder CND1499
25 Holder CND1500
26 Shield CND1736
27 FM/AM Tuner Unit CWE1774
28 Holder CNC8855
29 Antenna(CN726) HKX1054
30 Terminal(CN301) VNF1084
31 Terminal(CN401) VNF1084
32 Terminal(CN402) VNF1084
33 Screw BPZ26P100FTC
34 Rubber CNV7580
35 Keyboard Unit CWM8873
36 Connector(CN951) CKS4576
37 Holder CND1587
38 Knob Unit CXC3405
39 Grille Unit CXC3624
40 Button(EJECT/LOAD) CAC7973
41 Button(UP/DOWN) CAC7974
42 Button(MENU) CAC7975
43 Button(CD) CAC7976
44 Button(AM/FM) CAC7977
45 Button(MUTE) CAC7978
46 Button(AUX) CAC7979
47 Button(SCAN) CAC7980
48 Button(< SEEK) CAC7981
49 Button(SEEK >) CAC7982
50 Button(1,3) CAC7983
51 Button(2) CAC7984
52 Button(5) CAC7985
53 Button(4,6) CAC7986
54 Holder Unit CXC3509
55 Screw BSZ26P060FTC
56 Screw(M2x2.5) CBA1624
57 Spring(Silver) CBH2481
58 Spring(Black) CBH2482
59 Case CNB2848
60 Bracket CND1501
61 Sheet CNM5981
62 Cushion CNM8525
63 Cushion CNM8663
64 Flexible PCB CNP7267
65 Damper CNV6608
66 Label CRW1467
67 Control Unit(G2F) CWX2835
68 Connector(CN601) CKS1956
69 Connector(CN101) CKS4512
70 Chassis Unit CXC1192
71 Service Mechanism Assy(G2B) CXX1661
72 Fan Motor CXM1268
73 Stick Finger DNB1092
74 Screw ISS26P060FTC
* 75 Housing CNV7578
* 76 Housing CNV7579
77 VF(V951) CAW1806
78 Transistor(Q805,817,818) 2SD2375
79 Transistor(Q809,814,824) 2SB1185
80 IC(IC101) TDA7384
* 81 Label CRW1507
Mark No. Description Part No.

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2.3 MECHANISM ASSY(G2B)(SERVICE)(1)
1
1
1
1
3
3
1
1
1
1
1
31
2
3
3
3
1
3
33
3
3
D
F
1:GEM1043
2:GEM1042
3:GEM1024
1

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MECHANISM ASSY(G2B)(SERVICE)(1) PARTS LIST
Mark No. Description Part No.
1 Screw BMZ20P020FZB
2 Screw BMZ20P025FTC
3 Screw(M2x2) CBA1556
4 Screw(M2x2.5) CBA1626
5 Screw(M2x2.5) CBA1609
6 Screw(M2x4.5) CBA1629
7 Spring CBH2460
8 Spring CBH2461
9 Spring CBH2484
10 Spring CBH2694
11 Spring CBH2486
12 Spring CBH2487
13 Spring CBH2500
14 Connector CDE6698
15 Collar CLA4329
16 Collar CLA4330
17 Collar CLA4331
18 Gear CND1649
19 Cam Gear CND1650
20 Frame CND1651
21 Steer CND1655
22 Arm CND1657
23 Bracket CND1658
24 Bracket CND1660
* 25 Lever CNC9953
26 Gear CNV6612
27 Holder CNV6648
28 Holder CNV6738
* 29 Chassis Unit CXC1642
* 30 Frame Unit CXC1643
* 31 Arm Unit CXC1647
32 Spring CBH2488
33 Holder Unit CXC1644
34 Holder Unit CXC1646
35 Tray Unit CXB6930
36 Lever Unit CXC1648
* 37 Lever Unit CXC1649
38 Lever Unit CXC1650
* 39 Lever Unit CXC1651
40 Cam Motor Assy CXB7522
41 Washer CBF1064
42 Gear CNV6610
43 Gear CNV6611
44 Motor Unit(-A)(M1) CXC1144
45 Screw JFZ20P020FTC
46 Washer YE20FTC
47 ELV Motor Assy CXB7523
48 Screw BMZ20P025FTC
49 Washer CBF1064
50 Holder CND1668
51 Gear CNV6634
52 Gear CNV6635
53 PCB Unit(LED) CWX2614
* 54 Connector(CN31) CKS4523
55 Motor Unit(-A)(M2) CXC1145
56 Screw JFZ20P020FTC
* 57 Arm Unit CXC1653
58 Bracket Unit CXC1654
* 59 Lever Unit CXC1658
* 60 Lever Unit CXC1659
* 61 Lever Unit CXC1660
62 Arm Assy CXB8822
63 Washer CBF1038
64 Spring CBH2489
65 Arm CNV6735
66 Bracket Unit CXC1652
67 Screw BMZ20P025FTC
68 Spring CBH2459
69 Volume(VR1) CCW1023
70 Bracket CND1652
71 Steer CND1656
72 Flexible PCB CNP6368
73 PCB Unit(SIDE) CWX2613
74 Connector(CN12) CKS3991
* 75 Connector(CN14) CKS4404
76 Connector(CN13) CKS4525
77 Connector(CN11) CKS4572
78 Lever Unit CXC1779
* 79 Lever Unit CXB9121
* 80 Lever Unit CXB9122
81 Screw JFZ20P020FTC
82 Washer CBF1037
Mark No. Description Part No.

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2.4 MECHANISM ASSY(G2B)(SERVICE)(2)
2
1
1
1
1
1
1
1
1
1:GEM1043
2:GEM1042
G
H
E

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MECHANISM ASSY(G2B)(SERVICE)(2) PARTS LIST
Mark No. Description Part No.
* 1 Service CRG Mechanism Assy(G2)CXX1767
2 Screw(M2x2) CBA1556
3 Screw(M2x6) CBA1628
4 Washer CBF1038
5 Spring CBH2453
6 Spring CBH2480
7 Spring CBL1521
* 8 Guide CNC9402
9 Flexible PCB CNP6217
10 Holder CNV6624
11 Holder CNV6625
12 Rack CNV6642
13 Arm CNV6731
14 Lever CNV6736
15 Holder CNV6737
16 PCB Unit CWX2611
17 Connector(CN41) CKS3785
18 Connector(CN42) CKS4508
19 Connector(CN1) CKS4508
20 Support Wheel Unit CXC3778
21 Screw Unit(-B) CXB7518
22 Carriage Motor Assy CXB7521
23 Washer CBF1038
24 Belt CNT1088
25 Pulley CNV6627
26 Gear CNV6629
27 Motor Unit(-A)(M3) CXC1143
28 Screw JFZ14P020FTC
29 Loading Mech. Assy CXB7525
30 Washer CBF1037
* 31 Washer CBF1075
* 32 Spring CBH2450
33 Spring CBH2452
* 34 Spring CBH2457
* 35 Spring CBH2580
* 36 Frame CND1653
* 37 Arm CND1654
* 38 Sheet CNM7295
39 Roller CNV6616
40 Collar CNV6617
* 41 Guide CNV6622
* 42 Holder CNV6636
* 43 Lever CNV6732
* 44 Lever CNV6733
45 Collar CNV6734
* 46 Holder CNV7144
47 Screw JFZ12P018FTC
48 Washer CBF1037
* 49 Motor Unit(-A) CXC1146
50 Shaft Unit(-C) CXB7528
51 Screw JFZ20P020FTC
52 PU Unit(Service)(PX1) CXX1568
* 53 Gear CNV6620
* 54 Gear CNV6621
55 Switch(S7,8) CSN1057
* 56 Connector CDE6674
Mark No. Description Part No.

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
12
1
LOCL
SD
SL
PLLCE
pck
pllce@
PDO
A
O
A
O
XOUT
XIN
79
36
97
LIN-1
81
LIN-2
82
78
33
77
31
SYSTEM CONT
R
RESE
T
IC 601(1/2)
PD5872B
SYSTEM CONTROL
IC 601(2/2)
PD5872B
IC 301
PM2010A
S-80843CNU
A
reset
CN726
VDD
VCC
ANTENNA
JACK
1
2
CN725
13
X602 15
dsprst,dsperr,
IFOK,dspack,IFDI,
IFDO,IFCLK,dspcs
TUNL
CDX6L
ILMOUT
4
VFPWR
3
Lch
Q401
LOCL
PDI
32
DIO
DIO
D
S
3,8,18,27,37,49,76,7
7
FM/AM TUNER UNIT
2
16
11
1
13
VDD
BRST,BRXEN,BSRQ
BDATA,BSCK
Q824
Q825
B.UP
Q814
Q815
B.UP
ILMOUT
VFPWR
IC 602
VD REGULATOR
C
CN601
10 RESET
VD
VDCONT
RESET
Q8
1
Q823
CDPWR
38
Q819
Q820
B.UP
65
ROTIN0
66
ROTIN1
74
WAKEUP
TC7S
8
IC 7
4
20
rotint
VFCE,VFBLK,VFCK,VFD
T
ATUNER AMP UNIT
SCLKOUT
SCLKIN
11
X601 10
XO
XI
1
X301
2
st
73
DIAGNOSTICS
PDH069C
IC 603 ROMDATA,
ROMCK,EPCE
DSP/
ELECTRONIC VOL
U
SOURCE SELECT
TUNL
LOUT
HA12181FP
IC 431 9
3
16
asens
bsens 27
21
26
AMPMUTE
25
SPEED
Q822
Q821
CN723
2B.UP
FAN
MOTOR
FANPWR
34
FAN+B
IC 3
EEPROM
28
27
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51 CF52 CF53
IC1
MIXER, IF AMP, DET.
6
21
18
LDET
COMP
22
25 10 14 12 15 16 8 13 2 3 4
CF202
VDD
VCC
DI/DO CE2 CK CE1 SDBW SL FMSD NL1 NL2
IC 2 FM MPX
AMANT
FMANT
ATT
ATT
AMRF
FMRF
IMG ADJ
RF ADJ
X901
10.25MHz
ANT ADJ
LOCL
23 LOCH
AMDET
MPXREF 41kHz
AM 2ND IF
450kHz
19
CREQ
11
DGND
1
STIND
L ch
5
R ch
924
AMDET
FMLOCL
20
177
AMPNS WC
26 RFGND
AMIN
kdt)-kdt#,kst)-ks
t
11V
13.1V
3.3V

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VDD VDD
NJM2903V
IC901
5
7
VDD B.UP
Q804
VDD REGULATOR
Q805
12
1VDD
CL
D
L
CE
k
l
ce@
O
14
AOUT3
5
AOUT1
ILM+B
LIN-1
1
LIN-2
2
SYSTEM CONTROL
RESET
IC 601(1/2)
PD5872B
N
TROL
2
)
B
IC 301
PM2010A
S-80843CNUA-B84
reset
SWVDD 27
5
CN724
2
D
I,
c
s
CN722
I
VCC
DSP VDD REGULATOR(3.3V)
3,8,18,27,37,49,76,77,96
SYSPWR 40
Q809
Q810
B.UP
SWVDD
VCC
Q814
Q815
B
.UP
L
MOUT
VF+B
IC 602
7
Q807
Q808
VCC REGULATOR
Q812
Q813
1/2VCC
Q811
VCC
1/2VCC REGULATOR
SWVDD
24
19
18
ROTIN1
ROTIN0
WAKEUP
65
ROTIN0
66
ROTIN1
74
WAKEUP
TC7S86FU
IC 721
1
2
4
20
rotint
VFCE,VFBLK,VFCK,VFDT
SWVDD
XO
XI
1
2
DSP/
ELECTRONIC VOLUME/
SOURCE SELECTOR
VFCE,VFBLK,VFCK,VFDT
Q806
Q826
VDD SWVDD
79
MIN
83
LIN-3
NJM4558MD
IC361
21
NJM4558MD
IC362
21
FLO
RLO 11
TC4066BF
10
IC 182
FL
RL
6
7
5
7
asens
ACC
Q901
Q902 ASENS
B.UP
BSENS
bsens 27
21
POWER AMP
FL+
RL+
FL-
RL-
FLP
RLP
RLN
FLN
26
AMPMUTE
Q101
22
Q102Q102
MUTE
HMUTE
A
A
CN721
CDDJL
CDDJ L+
CDDJ L-
6
PHONE
DJLN
DJLP
5MONO+
MONO-
PHONEN
PHONEP
MS CAN B
MS CAN A
TJA1041T
13
IC 781 CANH
CANL
12
4
1
CTX
CRX
BUS DRIVER
1
CTX
2
CRX
NJM2903V
IC901
5
7
SPEED
25
SPEED SPEEDIN
Q146
Q143
Q145
Q141
SWVDD
MUTE
RMUTE
FMUTE
69
RMUTE
71
FMUTE
B.UP
3
5
7
9
NJM2903V
31
IC103
57
Q103
NJM2903V
31
IC102
57
SWVDD
VDD
FRP
RRP
17
21
NJM4558V
IC 951
LC75750EHS
VF DRIVER
KEY MATRIX
VDD
93
KEYBOARD UNIT
V 951
B
ILLUMINATION
VR951
2
1
ROTIN1
ROTIN0
ROTIN1
ROTIN0 4
5
VOLUME/POWER
Q956 Q951
VDD
KST5
Q952
KST5
MENU
Q953
KST5
LOAD
Q954
KST5
CD EJECT
KD3
KD2
KD1
KD0
Q955
kdt)-kdt#,kst)-kst$
NJM4558V
IC162
IC161
CN951
WUP
ILLB
27
5
7
24
19
18
SWVDD
VFB
kdt)-kdt#,kst)-kst$
VFL
4
VDD VDD
28 28
IC 101
TDA7384
12
11 IN1
IN2
MUTE
OUT2-
OUT2+
OUT1-
OUT1+
OUT3+
OUT4+
14.4V
8.6V
5.0V
13.1V
8.4V
3
.3V

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F
A
B
E
M
LOADING
VR1 ELV SENSE
VR11
S31 CAMLOAD
PU UNIT(SERVICE)
(PX1)
PCB UNIT(M2 UNIT)
HOLOGRAM
UNIT
FOCUS ACT
TRACKING ACT
MD
LD+
LD-
LD
MD
FO+
TO+
CN41
M
M
SPINDLE
M3 CARRIAGE
CLAMP
10
2
1
16
14
A+C,B+D,
E,F
2A3
3
5A2
A1 IC 1
BA6849FS
MOTOR
DRIVER CN1
EC 19
S8 CLAMP
HOME
S7 HOME
5
2
1
5
2
1
CN42
S41 LOAD3
PCB UNIT
23
14
13
28
26
6
9
10
1
11
12
23
14
13
28
26
6
9
10
1
11
12
PCB UNIT(SIDE)
CN12
S11 CAMCLMP
M
M1 CAMGEAR
CN31
M
M2 ELV
S32 CAMEOK
D31 D32
PCB UNIT
(LED)
CN14
CN13
Q22 Q21
S21 LOAD1
S22 LOAD2
PCB UNIT
(LOAD)
2
1
4
5
CN11
MD 23
32
33
LD+
LD-
FOP 18
TOP 20
SIN(EC) 40
CLAMP 36
HOME 37
LOADSW2 45
50
COP 34
COM 35
CGM 3
CGP 1
ELP 15
ELM 13
CAMOK 11
CAMLOAD 10
LED 12
ELVSNS 46
EREF 48
LOADPHT 7
LOADSW1 8
LOP 6
LOM 5
23
32
33
18
20
40
36
37
45
50
34
35
3
1
15
13
11
10
12
46
48
7
8
6
5
CONTROL UNIT(G2F)
Q101
96 PD
CD CONTROL
97 LD
A+C,B+D,E,F
L-OUT 16
IC 201
UPD63711GC
34
LRCKIN
32
SCKIN
10 V+5
3+3ch
DRIVER
IC 301
BD7962FM
E
L
29
MUTE
14 V
D
XSI,XSO,X
S
TSI,TSO,TS
SERVO
SERVO EQUALIZER OUTPUT
FD,TD,SD,MD
18
15 OUT1+
OUT2-
CN101
26 OPOUT
COP
COM
ELP
ELM
LOP
LOM
CGM
CGP
19
20
2
3
21
22
34
35
OUT3+
OUT3-
OUT5-
OUT5+
OUT4+
OUT4-
OUT6+
OUT6-
VD
C
GF
H
D
E
11
22
55
77
88

DEH-MG2047ZF/XU/UC 15
5678
5678
C
D
F
A
B
E
NTROL
L-OUT 16
IC504(1/2)
TC74VHCT08AFT
3 1,2
7
11GC
6 5,6
34
LRCKIN
32
SCKIN
3.3V - 5V CONVERTER
5V - 3.3V CONVERTER
IC505(1/2)
TC74VHC541FT
DOUT,LRCK,
SCKO,RADV,
SBSY
15 ZLRCK
14 ZSCK
IC501
SM5903BFP
SHOCK PROOF
CONTROLLER
+
5
22 3V
IC507
MSM51V17400F6TFT
IC702
PD5890A
MECHANISM
CONTROLLER
IC504(2/2)
TC74VHCT08AFT
IC505(2/2)
TC74VHC541FT
YMDATA,
YMLD,
YMCLK
21
ZSENSE
9,10
8
98
ZSENSE
BUFFER RAM
14 VDD
VCC2
3
+3ch
D
RIVER
C
301
B
D7962FM
ELV1,ELV2,ELVCONT,LD1,LD2,
LOCONT,CG1,CG2
9
29 CONT
MUTE
MOTOR CONTROL
14 VD
XSI,XSO,XSCK,XSTB,XAO,XRST,FOK,LOCK,
TSI,TSO,TSCK,TSTB,PACK,SBSY
SERVO DSP I/F
SERVO EQUALIZER OUTPUT
FD,TD,SD,MD
Q602
Q603
CD MUTE
VD
Q601
74
CDMUTE
CN601
BSI,BSO,BSCK,BRXEN,BSRQ,BRST
10
reset
LOUT
37
VDCONT
9
6
3
RESET
VDCONT
VDD
VD VD 17
18
IC 303
BA05SFP
5V REGULATOR
4
2
V+5
S-818A33AUC-BGN
3V REGULATOR
1
5
IC 302
3V
92
TEMP
94
VDIN VD
CLAMP
HOME
LOADSW2
CAMCLMP
ELVSNS
EREF
72
79
82
23
91
92
HOME2
HOME
LOADSW2
CAMCLMP
EREFF
CAMOK 21 CAMOK
CAMLOAD 22 CAMLOAD
LOADPHT 89 LOADPHT
LOADSW1 81 LOADSW1
ELVSENS
A
CN725

DEH-MG2047ZF/XU/UC
16
1234
1234
C
D
F
A
B
E
3.2 TUNER AMP UNIT
A-a
A
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
A-a A-b
A-a A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
B
CN951
CCN601
FM/AM TUNER UNIT
AM NOISE
BLANKER
DSP
DSP
SYSTEM CONTROLLER
FM(100%):-19.5dBs
AM(30%):-29.0dBs
CD:+3.8dBs
FM:-22.5dBs
AM:-32.0dBs
CD: -0.8dBs
CDDJ: -0.5dBs
FM: -1.5dBs
AM:-11.0dBs
CD: +7.2dBs
CDDJ: +7.5dBs

DEH-MG2047ZF/XU/UC 17
5678
5678
C
D
F
A
B
E
A-b
A
A-a A-b
A-a A-b
A-b
A-a
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
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.
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
>
ATUNER AMP UNIT
DSP
AUX
AMP
CLIP DETECT
CANBUS
FAN MOTOR
CXM1268
CDDJ:+7.5dBs
FM:+24.5dBs
AM:+15.0dBs
CD:+33.2dBs
CDDJ:+33.5dBs

DEH-MG2047ZF/XU/UC
18
1234
1234
C
D
F
A
B
E
A-a A-b A-a
A-a
A-b
14
23
N
O
FM/AM TUNER UNIT
AM NOISE
BLANKER
DSP
DSP
FM(100%):-19.5dBs
AM(30%):-29.0dBs
FM:-22.5dBs
AM:-32.0dBs
CD: -0.8dBs
CDDJ: -0.5dBs
FM: -1.5dBs
AM:-11.0dBs
CD: +7.2dBs
CDDJ: +7.5dBs

DEH-MG2047ZF/XU/UC 19
5678
5678
C
D
F
A
B
E
A-a A-b A-a
A-a
A-b
4567
B
CN951
C
CN601
DSP
SYSTEM CONTROLLER
CD:+3.8dBs

DEH-MG2047ZF/XU/UC
20
1234
1234
C
D
F
A
B
E
A-a A-b
A-b
14
23
Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022
←
←
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.
Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors.
NOTE :
Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors.
>
A
TUNER AMP UNIT
S
P
AUX
AMP
CLIP DETECT
CANBUS
CDDJ:+7.5dBs