Pioneer GEX-T9106ZT, GEX-T9006ZT Service Manual
ORDER NO.
CRT2530
PUB. NO. CRT2530
AUDIO SYSTEM
TUNER ASSY
Manufactured for TOYOTA
by PIONEER CORPORATION
VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.
LEXUS LS430 NORTH AMERICA August 2000 86180-50040 – GEX-T9006ZT/UC
LEXUS LS430 NORTH AMERICA August 2000 86180-50110 – GEX-T9006ZT-91/UC
LEXUS LS430 EUROPE August 2000 86180-50050 – GEX-T9006ZT/EW
LEXUS LS430 EUROPE August 2000 86180-50120 – GEX-T9006ZT-91/EW
LEXUS LS430 OVERSEAS August 2000 86180-50080 – GEX-T9006ZT/ES
LEXUS LS430 OVERSEAS August 2000 86180-50150 – GEX-T9006ZT-91/ES
LEXUS LS430 MIDDLE EAST August 2000 86180-50060 – GEX-T9106ZT/ES
LEXUS LS430 MIDDLE EAST August 2000 86180-50130 – GEX-T9106ZT-91/ES
LS430
2
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST.......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....6
4. PCB CONNECTION DIAGRAM ................................28
5. ELECTRICAL PARTS LIST ........................................38
6. ADJUSTMENT..........................................................57
7. GENERAL INFORMATION .......................................67
7.1 DIAGNOSIS ........................................................67
7.1.1 DISASSEMBLY .........................................67
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......68
7.2 IC .........................................................................69
7.3 EXPLANATION ...................................................71
7.3.1 OPERATIONAL FLOW CHART .................71
7.3.2 SYSTEM BLOCK DIAGRAM.....................72
8. SPECIFICATIONS......................................................74
- GEX-T9006ZT/UC, EW, ES and GEX-T9106ZT/ES have adopted AVC-LAN.
GEX-T9006ZT/UC GEX-T9006ZT/EW, ES, GEX-T9106ZT/ES
- Supplementary model is identical to the original except for the addition of following items.
Part No.
Mark Symbol and Description GEX-T9006ZT-91/UC GEX-T9006ZT-91/EW GEX-T9006ZT-91/ES GEX-T9106ZT-91/ES
* Cover CEG1088 CEG1088 CEG1088 CEG1088
Carton CHA3068 CHA3068 CHA3068 CHA3068
Contain Box CHL4132 CHL4133 CHL4135 CHL4136
Protector(×2) CHP2321 CHP2321 CHP2321 CHP2321
Part No.
GEX-T9006ZT/EW GEX-T9006ZT-91/EW
GEX-T9006ZT/ES GEX-T9006ZT-91/ES
Mark Symbol and Description GEX-T9006ZT/UC GEX-T9106ZT/ES GEX-T9006ZT-91/UC GEX-T9106ZT-91/ES
Screw(×2) BMZ40P060FMC Not used Not used Not used
Screw(×4) BMZ50P060FMC BMZ50P060FMC Not used Not used
86285-50100 CNC8960 CNC8960 Not used Not used
86286-50030 CNC8961 CNC8961 Not used Not used
86729-50150 CNC9126 Not used Not used Not used
3
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1. SAFETY INFORMATION
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.
- Service Precautions
1. The top case must have the ground sheet metal.
2. The ground sheet metal of the top case must surely
touch the top of the tuner unit holder.
3. The bottom chassis pawl bend portion and the PC
board must surely be soldered.
4. The tuner unit holder metal sheet and the PC board
must surely be soldered.
4
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
A
B
5
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
(2) CONTRAST TABLE
GEX-T9006ZT/UC, EW, ES and GEX-T9106ZT/ES are constructed the same except for the following:
Part No.
Mark No. Symbol and Description GEX-T9006ZT/UC GEX-T9006ZT/EW GEX-T9006ZT/ES GEX-T9106ZT/ES
1 Screw BMZ40P060FMC Not used Not used Not used
7 86729-50150 CNC9126 Not used Not used Not used
9 Control Unit CWM6591 CWM6592 CWM6594 CWM6595
17 FM/AM Tuner Unit CWE1543 CWE1542 CWE1546 CWE1544
18 Holder CNC6774 CNC6122 CNC6122 CNC6122
19 Case Unit CXB6737 CXB5851 CXB5851 CXB5851
1 Screw
See Contrast table(2)
2 Screw BMZ50P060FMC
3 Screw BSZ30P060FMC
4 Chassis CNA2141
5 86285-50100 CNC8960
6 86286-50030 CNC8961
7 86729-50150
See Contrast table(2)
8 Insulator CNM6144
9 Control Unit
See Contrast table(2)
10 Screw BPZ30P060FSN
11 Connector(CN801) CKM1308
12 Connector(CN501) CKS4123
13 Holder(CN802) CNC2218
14 Holder(CN803) CNC2218
15 Holder(CN804) CNC2218
16 Holder(CN805) CNC2218
17 FM/AM Tuner Unit
See Contrast table(2)
18 Holder See Contrast table(2)
19 Case Unit See Contrast table(2)
20 Screw ISS30P050FMC
* 21 Seal CNM5714
(1) 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.
6
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A
CONTROL UNIT
23 25 3146116743
16
39
IC 1
PA4026A
Q201
AM RF
IC 2
PA4024A
CF52
CF232
1638618
CF230
D231
CF51Q31T31L4 D7Q3L2 D5
MAIN
SUB
1514941 47
34
17
CF53 T51
Q154
19 47 1 2
2830 19
10
FM
OSC
AM
OSC
IC 553
HA12181FP
AM NOISE CANCELLER
RDS DECODER
RDS 57K DETECTOR
18
2
9
11
10
7
LCH
AMIFOUT
AMPNS
FMSL
AMSL
COMP
40
6
FMSD
12
seek
17
VCO15AMIFC
23
LOCL
13
VCC21FMVCC
14
AMVCC
20
25
26
AMTV19FMTV
36 32
Q501
Q505
38
37
2925
4
5
13
8
7
IC 201
PLL
PDO/PDI/PCK/PCE
X201
7.2MHz
4.5MHz
IC 501
LA1061M
DIVERSITY CONTROL
6
5
13
1
CN501
AM+B
FM+B
TUN+B
TUN+B
FM+B
AM+B
Q203
Q2
Q201
Q2
FM+B
VDD
B
FM/AM TUNER UNIT
Q551
GEX-T9106ZT/ES
GEX-T9106ZT/ES
Q202
Q506Q504
Q502Q503
Q251
VR251
20 18
IC 252
31
IC 251
NJM2903M
11
12
X251
4.332MHz
GEX-T9006ZT/UC,EW
GEX-T9006ZT/EW,
GEX-T9106ZT/ES
7
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
UNBAL / BAL CONVERTER
67
IC 401
NJM2068MD
67
IC 402
NJM2068MD
11
6, 12
10
98
IC 403
MC14066BF
ANALOG SWITCH
Q401
Q403
Q406
1
SL
93
RDSL
25
57K
90
FMSD
48
LWANT
41
antfix
12
reset
67
IC 701
SYSTEM
CONTROL
MICRO
COMPUTER
FM MUTE
AM MUTE
L+
4
CN801
L-
17
ACC
14
MUTE
11
TXS-
21
ATX+
8
+B
1
TXS+
9
ATX-
20
ASENS
Q802
LAN MUTE
Q701
BSENS
Q801
B.U
B.U
16
IC 751
HA12187FP
BUS DRIVER
5V REGULATOR
25
8
FMMUT
19
ldet
66
AMMUT
65
rdsmt
80
BMUTE
ANSW
78
ASENS
BSENS
68
LANMT
74
asen
75
bsen
30
TX1
29
RX1
22
IPPW
43
FMPW
72
ACCPW
Xin
Xout
Q810
A
ASENS
BSENS
RESET
IC 702
S-80730ANDT
2
1
VDD
15
13
X701
10.0MHz
VCC REGULATOR
Q809
Q808
VDD
B.U
TUN+B
44
AMPW
Q805
VCC
Q804
Q803
IC 801
S-81250PGPD
2
3
A
B MUTE
Q811
B.U
Q405
LDET
Q407
Q702
RDS MUTE
AM+B
FM+B
Q807
Q806
GEX-T9006ZT/UC,EW
1
51
8
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
ERA15-02VH
ERA15-02VH
PD5551A(UC)
PD5552A(EW)
7.5V
7.5V
5V
8.2V
8.2V
8.2V
AM 400Hz 30%
FM 400Hz 30%
: -16dBs
: -28dBs(GEX-T9006ZT/UC
: -30dBs(GEX-T9006ZT/EW
CN803
CN802
CN804
CN501
ANTENNA SWITCH
DIVERSITY CONTROL
PLL
SYSTEM CONTROL MICROCOMPUTER
RESET
BUS DRIVER
RDS DE
EW
EW
UC
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(GEX-T9006ZT/UC, EW)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A-a
A-b
A-b
A-a
A
A-a
CONTROL UNIT
A
FM/AM TUNER UNIT
B
A-a A-b
A-a
A-b
A-a
A-b
Large size
SCH diagram
Guide page
Detailed page
9
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
10K(UC)
1R8K(EW)
10K(UC)
1R8K(EW)
47K(UC)
18K(EW)
3900P(UC)
R056(EW)
3900P(UC)
R056(EW)
47K(UC)
18K(EW)
8.2V
8.2V
4.4V
W)
AM
MW, LW
: -18.8dBs(GEX-T9006ZT/UC)
: -13.8dBs(GEX-T9006ZT/EW)
FM : -18.8dBs(GEX-T9006ZT/UC)
: -13.8dBs(GEX-T9006ZT/EW)
AM : -16dBs
CN801
CN805
AM NOISE CANCELER
ANALOG SWITCHUNBALANCE/BALANCE CONVERTERMUTE
8V CONTROL 5V REGULATOR 8V REGULATOR B SENSE A SENSE
A-b
A
10
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
ERA15-02VH
ERA15-02VH
7.5V
7.5V
5V
8.2V
AM 400Hz 30%
FM 400Hz 30%
: -16dBs
: -28dBs(GEX-T9006ZT/UC)
: -30dBs(GEX-T9006ZT/EW)
CN803
CN802
CN804
CN501
ANTENNA SWITCH
PLL
RDS DECOD
EW
EW
UC
A-a
A-a
A-b
CONTROL UNIT
A
FM/AM TUNER UNIT
B
1
11
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
PD5551A(UC)
PD5552A(EW)
8.2V
8.2V
CN802
DIVERSITY CONTROL
SYSTEM CONTROL MICROCOMPUTER
RESET
BUS DRIVER
8V
EW
A-a
A-a
A-b
2
3
12
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
10K(UC)
1R8K(EW)
47K(UC)
18K(EW)
4.4V
AM
MW, LW
: -18.8dBs(GEX-T9006ZT/UC)
: -13.8dBs(GEX-T9006ZT/EW)
FM : -18.8dBs(GEX-T9006ZT/UC)
: -13.8dBs(GEX-T9006ZT/EW)
AM : -16dBs
CN801
AM NOISE CANCELER
ANALOG SWITCHUNBALANCE/BALANCE CONVERTERMUTE
A-a
A-b
A-b
1
13
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
10K(UC)
1R8K(EW)
10K(UC)
1R8K(EW)
47K(UC)
18K(EW)
3900P(UC)
R056(EW)
3900P(UC)
R056(EW)
47K(UC)
18K(EW)
8.2V
8.2V
4.4V
CN805
8V CONTROL 5V REGULATOR 8V REGULATOR B SENSE A SENSE
A-b
A-a
A-b
2
3
14
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
3R9K(90)
0R0(91)
0R0
10K
10K
7.5V
7.5V
8.2V
8.2V
8.2V
AM 400Hz 30%
FM 400Hz 30%
: -16dBs
: -28dBs(GEX-T9006ZT/ES
: -30dBs(GEX-T9106ZT/ES
CN803
CN802
CN804
CN501
ANTENNA SWITCH
DIVERSITY CONTROL
PLL
SYSTEM CONTROL MICROCOMPUTER
RESET
BUS DRIVER
91
91
919091
91
919090
91
90
3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
(GEX-T9006ZT/ES, GEX-T9106ZT/ES)
A
A-a
CONTROL UNIT
A
FM/AM TUNER UNIT
B
15
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
10K(90)
1R8K(91)
R039(90)
R068(91)
39K(90)
15K(91)
39K(90)
15K(91)
10K(90)
1R8K(91)
R018(90)
R027(91)
R018(90)
R027(91)
8.2V
8.2V
4.4V
S)
S)
AM
AM, SW
: -18.8dBs(GEX-T9006ZT/ES)
: -13.8dBs(GEX-T9106ZT/ES)
FM : -18.8dBs(GEX-T9006ZT/ES)
: -13.8dBs(GEX-T9106ZT/ES)
AM : -16dBs
CN801
CN805
AM NOISE CANCELER
ANALOG SWITCHUNBALANCE/BALANCE CONVERTERMUTE
8V CONTROL 5V REGULATOR 8V REGULATOR B SENSE A SENSE
90 : GEX-T9006ZT/ES
91 : GEX-T9106ZT/ES
A-b
A
16
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
3R9K(90)
0R0(91)
0R0
7.5V
7.5V
8.2V
AM 400Hz 30%
FM 400Hz 30%
: -16dBs
: -28dBs(GEX-T9006ZT/ES)
: -30dBs(GEX-T9106ZT/ES)
CN803
CN802
CN804
CN501
ANTENNA SWITCH
PLL
91
91
91
90
91
91
90
A-a
A-a
A-b
CONTROL UNIT
A
FM/AM TUNER UNIT
B
1
17
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
3R
0R
10K
10K
8.2V
8.2V
CN802
DIVERSITY CONTROL
SYSTEM CONTROL MICROCOMPUTER
RESET
BUS DRIVER
8V
91
91
90
90
91
A-a
A-a
A-b
2
3
18
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
10K(90)
1R8K(91)
R039(90)
R068(91)
39K(90)
15K(91)
4.4V
AM
AM, SW
: -18.8dBs(GEX-T9006ZT/ES)
: -13.8dBs(GEX-T9106ZT/ES)
FM : -18.8dBs(GEX-T9006ZT/ES)
: -13.8dBs(GEX-T9106ZT/ES)
AM : -16dBs
CN801
AM NOISE CANCELER
ANALOG SWITCHUNBALANCE/BALANCE CONVERTERMUTE
A-a
A-b
A-b
1
19
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
10K(90)
1R8K(91)
R039(90)
R068(91)
39K(90)
15K(91)
39K(90)
15K(91)
10K(90)
1R8K(91)
R018(90)
R027(91)
R018(90)
R027(91)
8.2V
8.2V
4.4V
CN805
8V CONTROL 5V REGULATOR 8V REGULATOR B SENSE A SENSE
90 : GEX-T9006ZT/ES
91 : GEX-T9106ZT/ES
A-b
A-a
A-b
2
3
20
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
B
3.4 FM/AM TUNER UNIT(GEX-T9006ZT/UC)
FM
AM
FM
FM
FM
FM
FM
FM
AM
AM
AM
AM
AM
FM,AM
FM,AM
FM,AM
FM,AM
FM,AM
FM,AM
AM
FM
FM
AM
FM
FM
AMAMAM AM
AM RF
FM FRONT END
FM OSC
AM OSC
A
FM/AM TUNER UNIT
B
21
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
B
FM
FM
FM
FM
FM
AM
AM
AM
AM
AM
FM,AM
FM,AM
PNS
FM IF
22
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
1
23
4
1
234
D
C
B
A
3.5 FM/AM TUNER UNIT(GEX-T9006ZT/EW)
FM/AM TUNER UNIT
B
FM
AM
FM
FM
FM
FM
FM
FM
AM
AM
AM
AM
AM
FM,AM
FM,AM
FM,AM
FM,AM
FM,AM
FM,AM
AM
FM
FM
AM
FM
FM
AMAMAM AM
AM RF
FM FRONT END
FM OSC
AM OSC
A
B
23
GEX-T9006ZT,T9006ZT-91,T9106ZT,T9106ZT-91
5
6
78
5
6
7
8
D
C
B
A
FM
FM
FM
FM
FM
AM
AM
AM
AM
AM
FM,AM
FM,AM
PNS
FM IF
B
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