Pioneer FX-MG9727ZT/UC User manual

ORDER NO.
LX470
AUDIO SYSTEM
HEAD UNIT
Manufactured for TOYOTA
by PIONEER CORPORATION
PUB.NO.
CRT2905
ORDER NO.
CRT2905
FX-MG9727ZT/UC
VEHICLE DESTINATION PRODUCED
AFTER TOYOTA PARTS NO. ID NO. PIONEER MODEL No.
LEXUS LX470 U.S.A.,CANADA August 2002 86120-60610 P6823 FX-MG9727ZT/UC
LAND CRUISER EUROPE August 2002 86120-60580 P3916 FX-MG9427ZT/EW
LAND CRUISER EUROPE August 2002 86120-60720 P3917 FX-MG9327ZT/EW

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This service manual should be used together with the following manual(s):
--
--
Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corpora-
tion. "Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corpora-
tion.
Model No. Order No. Mech.Module Remarks
CX-951 CRT2872 G2 CD Mech. module:Circuit Description, Mech. Description, Disassembly
CX-1011 CRT2406 3L Cassette Mech. module: Mech. Description, Disassembly
For details, refer to "Important symbols for good services".
LOAD
LOAD
PWR VOL
PWR VOL
AUDIO TUNE
AUDIO TUNE
6 DISC CD CHANGER
6 DISC CD CHANGER
TYPE
TYPE
RDS
RDS
TRAF
TRAF
SCAN TEXT
DISC
DISC
TAPE
TAPE
FM
FM
AM
AM
SEEK TRACK
SEEK TRACK
THEFT DETERRENT DESIGN
THEFT DETERRENT DESIGN
5 6
5 6
3 4
3 4
1 2
1 2
6 DISC CD CHANGER
6 DISC CD CHANGER
LOAD
LOAD
AUDIO TUNE
AUDIO TUNE
AST TEXT
5 6
5 6
3 4
3 4
1 2
1 2
PWR VOL
PWR VOL
THEFT DETERRENT DESIGN
THEFT DETERRENT DESIGN
PTY
PTY
DISC
DISC
TAPE
TAPE
FM
FM
AM
AM
SEEK TRACK
SEEK TRACK
6 DISC CD CHANGER
6 DISC CD CHANGER
LOAD
LOAD
AUDIO TUNE
AUDIO TUNE
AST TEXT
5 6
5 6
3 4
3 4
1 2
1 2
PWR VOL
PWR VOL
THEFT DETERRENT DESIGN
THEFT DETERRENT DESIGN
PTY
PTY
DISC
DISC
TAPE
TAPE
FM
FM
AM
AM
SEEK TRACK
SEEK TRACK
FX-MG9727ZT/UC (P6823) FX-MG9327ZT/EW (P3917)
FX-MG9427ZT/EW (P3916)

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SAFETY INFORMATION
-CD section precaution
1. Before disassembling the unit, be sure to turn off the
power. Unplugging and plugging the connectors dur-
ing power-on mode may damage the ICs inside the
unit.
2. To protect the pickup unit from electrostatic dis-
charge during servicing, take an appropriate treat-
ment (shorting-solder) by referring to “the DISAS-
SEMBLY” on page 105.
3. After replacing the pickup unit, be sure to check the
grating. (See p.95.)
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 repai
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 warrant
y
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do s
o
and refer the repair to a qualified service technician.
1. Safety Precautions for those who Service this Unit.
• When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable
results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
2. A “CLASS 1 LASER PRODUCT”label is affixed to the
bottom of the player.
3. The triangular label is attached to the mechanism
unit frame.
4. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength = 800 nanometers
CLASS 1
LASER PRODUCT
-FX-MG9427ZT/EW,FX-MG9327ZT/EW

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[ 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......................................................................................................................................3
1. SPECIFICATIONS.............................................................................................................................................6
2. EXPLODED VIEWS AND PARTS LIST.............................................................................................................8
2.1 EXTERIOR(FX-MG9727ZT,MG9427ZT)....................................................................................................8
2.2 EXTERIOR(FX-MG9327ZT).....................................................................................................................10
2.3 CD MECHANISM UNIT(1)........................................................................................................................12
2.4 CD MECHANISM UNIT(2)........................................................................................................................14
2.5 CASSETTE MECHANISM MODULE .......................................................................................................16
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................19
3.1 BLOCK DIAGRAM....................................................................................................................................19
3.2 BLOCK DIAGRAM(FX-MG9727ZT) .........................................................................................................20
3.3 BLOCK DIAGRAM(FX-MG9427ZT,MG9327ZT).......................................................................................22
3.4 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(FX-MG9727ZT)....................................................24
3.5 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) (FX-MG9427ZT,MG9327ZT)................................30
3.6 KEYBOARD UNIT(FX-MG9727ZT,MG9427ZT).......................................................................................36
3.7 KEYBOARD UNIT(FX-MG9327ZT)..........................................................................................................38
3.8 CD MECHANISM MODULE(GUIDE PAGE).............................................................................................40
3.9 CASSETTE MECHANISM MODULE .......................................................................................................50
4. PCB CONNECTION DIAGRAM......................................................................................................................52
4.1 MAIN UNIT ...............................................................................................................................................52
4.2 KEYBOARD UNIT(FX-MG9727ZT,MG9427ZT).......................................................................................56
4.3 KEYBOARD UNIT(FX-MG9327ZT)..........................................................................................................58
4.4 CD MECHANISM MODULE.....................................................................................................................60
4.5 CASSETTE MECHANISM MODULE .......................................................................................................66
5. ELECTRICAL PARTS LIST.............................................................................................................................68
6. ADJUSTMENT ................................................................................................................................................87
6.1 CONNECTION DIAGRAM........................................................................................................................87
6.2 AUDIO, TUNER ADJUSTMENT...............................................................................................................90
6.3 TEST MODE.............................................................................................................................................92
6.4 CD ADJUSTMENT ...................................................................................................................................93
6.5 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.....................................................95
6.6 TEST MODE(CD) .....................................................................................................................................97
6.7 AVC-LAN DIAGNOSIS MODE................................................................................................................101
7. GENERAL INFORMATION ...........................................................................................................................105
7.1 DIAGNOSIS............................................................................................................................................105
7.1.1 DISASSEMBLY....................................................................................................................................105
7.1.2 PCB LOCATIONS................................................................................................................................110
7.1.3 CONNECTOR FUNCTION DESCRIPTION ........................................................................................111
7.2 PARTS ....................................................................................................................................................112
7.2.1 IC.........................................................................................................................................................112
7.2.2 DISPLAY..............................................................................................................................................121
7.3 EXPLANATION.......................................................................................................................................122
7.3.1 SYSTEM BLOCK DIAGRAM...............................................................................................................122
7.3.2 OPERATIONAL FLOW CHART...........................................................................................................123
7.4 NOTES ON SERVICING ........................................................................................................................124
7.4.1 CLEANING ..........................................................................................................................................124
7.4.2 FACTORY SETTINGS .........................................................................................................................124
8. OPERATIONS ...............................................................................................................................................125

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1. SPECIFICATIONS
General
Power source . . . . . 13.2V(10.5V–16.0V allowable) DC
Grounding system . . . . . . . . . . . . . . Negative type
Backup current. . . . . . . . . . . . . . . . 0.3mA or less
Dimensions . . . . . . . . . 267(W) x175(H) x187(D)mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . .2.6kg
Cassette player
Tape . . . . . . . . . . .Compact cassette tape(C30-C90)
Tape speed. . . .4.76cm/sec.(+0.14cm/sec., -0.05cm/sec.)
Wow and flutter . . . . . . . . . . . 0.2% or less(WRMS)
Crosstalk. . . . . . . . . . . . . . . . . . . . 40dB or less
Stereo Separation . . . . . . . . . . . . . . 30dB or more
S/N. . . . . . . . . . . . . . . . . . . . . . 40dB or more
Distortion. . . . . . . . . . . . . . . . . . . . . 3% or less
CD player
System. . . . . . . . . . . . . Compact disc audio system
Usable discs . . . . . . . . . . . . . . . . . Compactdisc
Signal format. . . . . . . . .Sampling frequency : 44.1kHz
. . . . . . . . . . . . . .Number of quantization : 16;linear
S/N. . . . . . . . . . . . . . . . . . . . . . 65dB or more
Distortion. . . . . . . . . . . . . . . . . . . . 0.3% or less
FM tuner
Frequency range(UC) . . . . . . . 87.75, 87.9–107.9 MHz
Frequency range(EW) . . . . . . . . . . .87.5–108.0 MHz
S/N. . . . . . . . . . . . . . . 46dB or more(54dBµ input)
Distortion. . . . . . . . . . . . . . . . . . . . 1.5% or less
IF interference . . . . . . . . . . . . . . . . 80dB or more
Image interference . . . . . . . . . . . . . . 35dB or more
Stereo Separation . . . . . . . . . . .25dB or more(1kHz)
MW(AM) tuner
Frequency range(UC) . . . . . . . . . . . 530–1,710 kHz
Frequency range(EW) . . . . . . . . . . . 522–1,611 kHz
S/N 20dB useable sensibility. . . . . . . . . 34dBµ or less
S/N. . . . . . . . . . . . . . . . . . . . . . 42dB or more
Distortion. . . . . . . . . . . . . . . . . . . . 1.5% or less
IF interference . . . . . . . . . . . . . . . . 55dB or more
Image interference . . . . . . . . . . . . . . 45dB or more
LW tuner(EW)
Frequency range. . . . . . . . . . . . . . . 153–279 kHz
S/N 20dB useable sensibility. . . . . . . . . 40dBµ or less
S/N. . . . . . . . . . . . . . . . . . . . . . 42dB or more
Distortion. . . . . . . . . . . . . . . . . . . . 1.5% or less
IF interference . . . . . . . . . . . . . . . . 55dB or more
Image interference . . . . . . . . . . . . . . 45dB or more

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2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR(FX-MG9727ZT,MG9427ZT)
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.)
"

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()
(1)EXTERIOR(FX-MG9727ZT,MG9427ZT) SECTION PARTS LIST
(2) CONTRASTTABLE
FX-MG9727ZT/UC and FX-MG9427ZT/EW are constructed the same except for the following:
Mark No. Description Part No.
1 Screw BMZ26P040FMC
2 Connector CDE7050
3 CD Mech. Module(G2T) CXK7110
4 Screw BMZ20P025FMC
5 Screw BMZ26P040FMC
6 Screw(M2x2.5) CBA1076
7 Spring CBH2481
8 Spring CBH2482
9 Connector CDE7020
10 Connector CDE7035
11 Case CNB2705
12 Sheet CNM5981
13 Damper CNV6608
14 Control Unit(G2T) CWX2649
15 Connector(CN601) CKS1956
16 Connector(CN101) CKS4512
17 Chassis Unit CXB8029
18 Bracket Unit CXB8082
19 Frame CNC9732
20 Insulator CNM7496
21 Spacer CNM8078
22 Label CRW1455
23 Main Unit See Contrast table(2)
24 Screw BMZ30P060FMC
25 Screw(M3x6) CBA1393
26 Connector(CN801) CKM1322
27 Connector(CN473) CKM1350
28 Connector(CN472) CKM1351
29 Plug(CN354) CKS-291
30 Connector(CN353) CKS3568
31 Connector(CN351) CKS3886
32 Connector(CN804) CKS4361
33 Connector(CN501) CKX1064
34 Holder CNC9639
35 Holder CNC9701
36 FM/AM Tuner Unit See Contrast table(2)
37 Holder CNC8855
38 Terminal(CN802) VNF1084
39 Terminal(CN803) VNF1084
40 Chassis Unit See Contrast table(2)
41 Screw BPZ20P080FMC
42 Button(CD EJECT) CAC7359
43 Button(LOAD) CAC7360
44 Button(1,2) CAC7361
45 Button(3,4) CAC7362
46 Button(5,6) CAC7363
47 Button See Contrast table(2)
48 Button(EJECT) CAC7365
49 Button See Contrast table(2)
50 Button(SEEK,TRACK) CAC7367
51 Button See Contrast table(2)
52 Button(AM) CAC7369
53 Button(FM) CAC7370
54 Button(TAPE) CAC7371
55 Button(DISC) CAC7372
56 Rubber CNV6997
57 Lighting Conductor CNV6999
58 Holder CNV7003
59 Holder CNV7004
60 Holder CNV7005
61 Clip CNV7231
62 Keyboard Unit See Contrast table(2)
63 LCD(LCD901) CAW1702
64 Terminal(CN903) CKF1069
65 Connector(CN902) CKS4361
66 Holder CNC9700
67 Sheet CNM7733
68 Seal CNM7771
69 Lighting Conductor CNV6894
70 Connector CNV7498
71 Knob Unit See Contrast table(2)
72 Grille Unit See Contrast table(2)
73 Screw BPZ20P080FMC
74 Door See Contrast table(2)
75 Spring CBH2663
76 Door Assy CXB8952
77 Transistor(Q809,811,812) 2SB1185
78 Cassette Mechanism Module EXK4295
79 Screw IMS26P040FMC
80 Screw ISS26P060FMC
81 Label CRW1429
Mark No. Description Part No.
Mark NO Symbol and Description FX-MG9727ZT/UC FX-MG9427ZT/EW
23 Main Unit CWM8105 CWM8107
36 FM/AM Tuner Unit CWE1630 CWE1633
40 Chassis Unit CXB7843 CXB9795
47 Button CAC7364(SCAN,TEXT) CAC7387(AST,TEXT)
49 Button CAC7366(TRAF) CAC7388(TA)
51 Button CAC7368(RDS,TYPE) CAC7389(AF,PTY)
62 Keyboard Unit CWS1355 CWS1356
71 Knob Unit CXB8282 CXB8286
72 Grille Unit CXC1002 CXC1004
74 Door CAT2316 CAT2319

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2.2 EXTERIOR(FX-MG9327ZT)

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EXTERIOR(FX-MG9327ZT) SECTION PARTS LIST
Mark No. Description Part No.
1 Screw BMZ26P040FMC
2 Connector CDE7050
3 CD Mech. Module(G2T) CXK7110
4 Screw BMZ20P025FMC
5 Screw BMZ26P040FMC
6 Screw(M2x2.5) CBA1076
7 Spring CBH2481
8 Spring CBH2482
9 Connector CDE7020
10 Connector CDE7035
11 Case CNB2705
12 Sheet CNM5981
13 Damper CNV6608
14 Control Unit(G2T) CWX2649
15 Connector(CN601) CKS1956
16 Connector(CN101) CKS4512
17 Chassis Unit CXB8029
18 Bracket Unit CXB8082
19 Frame CNC9732
20 Insulator CNM7496
21 Spacer CNM8078
22 Label CRW1455
23 Main Unit CWM8114
24 Screw BMZ30P060FMC
25 Screw(M3x6) CBA1393
26 Connector(CN801) CKM1322
27 Connector(CN473) CKM1350
28 Connector(CN472) CKM1351
29 Plug(CN354) CKS-291
30 Connector(CN353) CKS3568
31 Connector(CN351) CKS3886
32 Connector(CN804) CKS4361
33 Connector(CN501) CKX1064
34 Holder CNC9639
35 Holder CNC9701
36 FM/AM Tuner Unit CWE1633
37 Holder CNC8855
38 Terminal(CN802) VNF1084
39 Terminal(CN803) VNF1084
40 Chassis Unit CXB9795
41 Screw BPZ20P080FMC
42 Button(LOAD) CAC7390
43 Button(CD EJECT) CAC7391
44 Button(1,2) CAC7361
45 Button(3,4) CAC7362
46 Button(5,6) CAC7363
47 Button(AST,TEXT) CAC7387
48 Button(TA) CAC7392
49 Button(EJECT) CAC7393
50 Button(AF,PTY) CAC7394
51 Button(SEEK,TRACK) CAC7395
52 Button(DISC) CAC7396
53 Button(TAPE) CAC7397
54 Button(FM) CAC7398
55 Button(AM) CAC7399
56 Rubber CNV6997
57 Lighting Conductor CNV6999
58 Holder CNV7003
59 Holder CNV7004
60 Holder CNV7005
61 Clip CNV7231
62 Keyboard Unit CWS1357
63 LCD(LCD901) CAW1702
64 Terminal(CN903) CKF1069
65 Connector(CN902) CKS4361
66 Holder CNC9700
67 Sheet CNM7733
68 Seal CNM7771
69 Lighting Conductor CNV6894
70 Connector CNV7498
71 Knob Unit CXB8286
72 Grille Unit CXC1005
73 Screw BPZ20P080FMC
74 Door CAT2320
75 Spring CBH2663
76 Door Assy CXB8952
77 Transistor(Q809,811,812) 2SB1185
78 Cassette Mechanism Module EXK4295
79 Screw IMS26P040FMC
80 Screw ISS26P060FMC
81 Label CRW1429
Mark No. Description Part No.

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2.3 CD MECHANISM UNIT(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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--
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CD MECHANISM UNIT(1) SECTION PARTS LIST
Mark No. Description Part No.
1 Screw BMZ20P020FZB
2 Screw BMZ20P025FMC
3 Screw(M2x2) CBA1556
4 Screw(M2x2.5) CBA1557
5 Screw(M2x2.5) CBA1577
6 Screw(M2x4.5) CBA1607
7 Spring CBH2460
8 Spring CBH2461
9 Spring CBH2484
10 Spring CBH2485
11 Spring CBH2486
12 Spring CBH2487
13 Spring CBH2500
14 Connector CDE6698
15 Collar CLA3994
16 Collar CLA4039
17 Collar CLA4248
18 Gear CNC9222
* 19 Cam Gear CNC9223
20 Frame CNC9225
21 Steer CNC9669
22 Arm CNC9242
23 Bracket CNC9403
* 24 Bracket CNC9408
* 25 Lever CNC9953
26 Gear CNV6612
27 Holder CNV6648
28 Holder CNV6738
* 29 Chassis Unit CXB6873
* 30 Frame Unit CXB6875
* 31 Arm Unit CXB6887
32 Spring CBH2488
33 Holder Unit CXB6877
34 Holder Unit CXB6884
35 Tray Unit CXB6930
36 Lever Unit CXB6934
* 37 Lever Unit CXB6936
38 Lever Unit CXB6938
* 39 Lever Unit CXB6939
40 Cam Motor Assy CXB7522
41 Washer CBF1064
42 Gear CNV6610
43 Gear CNV6611
44 Motor Unit(-A)(M1) CXB9726
45 Screw JFZ20P020FMC
46 Washer YE20FUC
47 ELV Motor Assy CXB7523
48 Screw BMZ20P025FMC
49 Washer CBF1064
50 Holder CNC9799
51 Gear CNV6634
52 Gear CNV6635
53 PCB Unit(LED) CWX2614
* 54 Connector(CN31) CKS4523
55 Motor Unit(-B)(M2) CXB7526
56 Screw JFZ20P020FMC
* 57 Arm Unit CXB7747
58 Bracket Unit CXB7811
* 59 Lever Unit CXB8653
* 60 Lever Unit CXB8724
* 61 Lever Unit CXB8824
62 Arm Assy CXB8822
63 Washer CBF1038
64 Spring CBH2489
65 Arm CNV6735
66 Bracket Unit CXB7519
67 Screw BMZ20P025FMC
68 Spring CBH2459
69 Volume(VR1) CCW1023
70 Bracket CNC9226
71 Steer CNC9235
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 CXB6883
* 79 Lever Unit CXB9121
* 80 Lever Unit CXB9122
81 Screw JFZ20P020FMC
82 Washer CBF1037
Mark No. Description Part No.

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2.4 CD MECHANISM UNIT(2)
2
1
1
1
1
1
1
1
1
1:GEM1043
2:GEM1042
G
H
E

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CD MECHANISM UNIT(2) SECTION PARTS LIST
Mark No. Description Part No.
1 Carriage Mech. Assy(G2T) CXB8842
2 Screw(M2x2) CBA1556
3 Screw(M2x6) CBA1582
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 CXB8486
21 Screw Unit(-A) CXB7518
22 Carriage Motor Assy CXB7521
23 Washer CBF1038
24 Belt CNT1088
25 Pulley CNV6627
26 Gear CNV6629
27 Motor Unit(-A)(M3) CXB7517
28 Screw JFZ14P020FMC
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 CNC9228
* 37 Arm CNC9229
* 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 JFZ12P018FMC
48 Washer CBF1037
* 49 Motor Unit(-C) CXB7529
50 Shaft Unit(-B) CXB7528
51 Screw JFZ20P020FMC
52 PU Unit(PX1)(Service) CXX1569
* 53 Gear CNV6620
* 54 Gear CNV6621
55 Switch(S1,2) CSN1057
* 56 Connector CDE6674
Mark No. Description Part No.

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2.5 CASSETTE MECHANISM MODULE
I
J
For grease application, refer to the service manual for CX-1011 (CRT2406).

FX-MG9727ZT/UC 17
5678
5678
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A
B
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CASSETTE MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No.
1 Screw BSZ20P040FMC
2 Washer CBF1037
3 Washer CBG1003
4 Screw EBA1028
5 Screw CBA1037
6 Spring EBH1653
7 Spring EBH1642
8 Spring EBH1641
9 Spring EBH1626
10 Spring EBH1627
11 Spring EBH1648
12 Cord EDD1024
13 Photo-reflector(Q101) EGN1004
14 Arm ENC1526
15 Lever Unit EXA1610
16 Lever ENC1543
17 Arm ENC1532
18 Frame ENC1533
19 Holder ENC1547
20 Gear ENC1535
21 Arm ENC1550
22 Roller ENR1040
23 Belt ENT1027
24 Collar ENV1508
25 Arm ENV1539
26 Arm ENV1540
27 Gear ENV1569
28 Gear ENV1547
29 Gear ENR1044
30 Worm Wheel ENV1559
31 Lever ENV1551
32 Flywheel ENV1554
33 Gathering PCB ENX1073
34 Switch(S101,S102,S103) ESG1007
35 Deck Unit EWM1043
36 Plug(CN251) CKS3540
37 Gathering PCB ENX1076
38 Motor Unit(M1) EXA1618
39 Motor EXM1035
40 Head Assy(HD1) EXA1594
41 Arm ENC1537
42 Screw JGZ20P025FNI
43 Bracket ENC1559
44 Chassis Unit EXA1636
45 Pinch Holder Unit EXA1608
46 Pinch Roller ENV1518
47 Pinch Holder Unit EXA1607
48 Pinch Roller ENV1518
49 Reel Unit EXA1625
50 Head Base Unit EXA1611
51 Lever Unit EXA1587
52 Gear Unit EXA1596
53 Motor Unit(M2) EXA1623
54 Washer HBF-179
55 Spring EBH1537
56 Worm Gear ENV1564
57 Spring EBH1655
58 Lever ENC1548
59 Washer YE15FUC
60 Tube ENM1039
61 Spring EBH1645
62 Spring EBH1545
63 Sensor Unit EWM1041
Mark No. Description Part No.

FX-MG9727ZT/UC
18
1234
1234
C
D
F
A
B
E

FX-MG9727ZT/UC 19
5678
5678
C
D
F
A
B
E
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
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
S2 CLAMP
HOME
S1 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
GF
H
D
E
11
22
55
77
88
C
CN101

FX-MG9727ZT/UC
20
1234
1234
C
D
F
A
B
E
3.2 BLOCK DIAGRAM(FX-MG9727ZT)
VDCNT2
CN501
SUB ANTENNA
16
13
10
11
2
AUDIO+B
SWVDD
MAIN ANTENNA
IC 501
LA1061M
5
6
Q501
DIVERSITY
COMP
IC561
HA12181FP
AM NOISE CANCELER
CN351
SUB
MAIN
1
NIN
39
FMSD
TUNL
MFIX
13
CSL
BU
8
4
19
20
3
CN353
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
Q561
IC252
PM4009A
X251
RBDS
DECODER 1211
20
8
AM
Q351
RDT
FMSD
1
CD9
V
11
AUDIO+B
5
STBY
B.U
MUTE
MTL
LOAD
5
1
4
2
1
3
4
11
9
20
19
8
IDECK UNIT
IC251
HA12216F
IC351
PA2020A
EQ AMP
MECHANISM
DRIVER
CN251
CN252
CN254
CN255
CN253
7
5TAPE+B
Lch
17
18
FWD
L-ch
REV
L-ch
37
38
39
18 19
17
315 6
8710
CN256 315 6
S101
LOAD
S102
MODE
Q101
REEL
SENSE
M
M
M2
SUB
MOTOR
M1
MAIN
MOTOR
5
2
1
JSENSOR UNIT
S103
70µs
4
4
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(G2T)
Q101
96 PD
CD CONTROL
97 LD
A+C,B+D,E,F
L-OUT 16
IC504(1/2)
TC74VHCT08AFT
3 1,2
IC 201
UPD63711GC
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
10 V+5
22 3V
IC507
MSM51V17400F6TFT
IC702
PD5748C
MECH.
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
DRIVER
IC 301
BD7962FM
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
18
15 OUT1+
OUT2-
Q602
Q603
CD MUTE
VD
Q601
74
CDMUTE
CN101 CN501
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
VD N VD
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
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
C
F
CN11
8
FM/AM TUNER UNIT
Q361