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.
Mark No. DescriptionPart No.Mark No. DescriptionPart No.
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
Q
TEL 13942296513 QQ 376315150 892498299
Q
7
3
6
1
3
5
1
5
0
4
2
9
8
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
1
3
6
7
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
8
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
Q203
Q3
L2 D5
L4 D7
25
26
Q201
AM RF
AM
OSC
FM
OSC
D231
CF52
CF51
T31
Q31
CF232
CF230
23
25
PA4026A
IC1
CF53
L52
PA4024A
IC2
DIVER
IC202
LA1061M
AM
CN201
SUB
ANT
MAIN
ANT
FIX
COMP
FMTV
AMTV
VCO
AMIFC
FMB
AMB
TUNB
19 20
17
1521
14
13
6
2
IC201
PM2007A
PLL
XIN
XOUT
PDI
PCK
PDO
PCE
29
25
COMP
9
5
4
IC204
PM4006B
11
12
IC205
NJM2903M
RBDS DECODER
CN251
CN252
CN253
IC251
HA12216F
TAPE EQUALIZER
MECHANISM DRIVER
IC351
PA2020A
Q271
B.U
BU
M
SUB
MOTOR
M
MAIN
MOTOR
10
+B
TAPE-L
MTL
MTL
VR301
VREF
6
22
14
17
2
51
53
17
7
18
19
5
2
NR
Q351
Q352
1
9
8
STBY
LOAD
LOAD
SWITCH
MODE
SENSE
FWD
SENSE
REV
SENSE
1
4
5
4
3
20
FWD
LcH
REV
LcH
23
8
1
64
23
8
1
64
41
910
34
63836
32
14 1517 19
30
31
28
47
1
2
19
40 7
43
Lch
FMSL
AMSL
AMIF
ST
COMP
FMSD
S-80736AN-D0
IC703
2
1
RESET
VDD
Q70
MUT
Q70
MUT
FM-L
AM-L
BU
CN701
4
3
20
20
18
2
3
1
57K
25
57K
13
15
12
RESET
Q706
88
TAPEMUTE
AUD+B
TAPE-L
Q201
SL
XIN
XOUT
SYST
PDI
PCK
PDO
PCE
1
5,6
13
ST
SD
38
37
A
MAIN UNIT
FM/AM TUNER UNIT
B
C
DECK UNIT
D
PCB UNIT
E
REEL PCB
7
9
18
10
3
SWITCH
70µs
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM(KEX-M8006ZT)
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
4
2
9
8
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
5
1
3
6
7
3
Q
Q
1
5
0
9
8
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
9
BU
Q323
5V
REGULATOR
VDD5V
VDD
Q332
Q331
AUD+B
TUNB
BU
8V
REGULATOR
Q608
VDD SWITCH
VDD
SYSPW
Q337-1
Q336
Q337-2
Q335
Q302
ASEN
Q301
BSEN
Q303
ISEN
BU
Q359
Q360
Q358
TUNB
AUD+B
TC74HC4066AF
IC781
ANALOG
SWITCH
NJM2068MD
IC703
NJM2068MD
IC702
Q709
Q603
Q607
UNBAL BAL
NJM2068MD
MIX AMP
IC701
10
8
L+
L-
11
9
6,12
ANSW
Q205
Q703
MUTE
Q705
MUTE
Q701
AM-L
TUNER-L
2
1
2
1
2
1
Q354
Q351
AMB
FMB
BU
ANT
TAPE-L
AMMT
FMMT
AMMT
FMMT
37
38
SYSTEM CONTROLLER
IC601
PDI
PCK
PDO
PCE
SL
SD
95
90
ST
89
AMPW
AMPW
44
FMPW
43
AUD+B
73
75
23
ASEN
BSEN
ISEN
HA12187FP
IC681
AVC LAN
6
5
TX+
TX-
50
SYSMUTE
IPPW
8
1
2
TX
RX
RX
TX
IPPW
ANSW
22
30
29
100
CN301
CN302
BU
ACC
MUTE
ILL+
+B
ACC
FMPW
AMB
FMB
Q335
Q336
PD5579A
52
SYSPW
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL
3
13942296513
6
3
1
5
1
5
0
Q
Q
7
3
6
8
3
9
1
5
1
2
5
4
0
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
9
9
2
8
9
4
2
9
8
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
10
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
Q3
L2 D5
L4 D7
25
26
Q201
AM RF
AM
OSC
FM
OSC
D231
CF52
CF51
T31
Q31
CF232
CF230
23
25
PA4026A
IC1
CF53
L52
PA4024A
IC2
AM
CN201
ANT
FMTV
AMTV
VCO
AMIFC
FMB
AMB
TUNB
19 20
17
1521
14
13
6
2
IC201
PM2007A
PLL
XIN
XOUT
PDI
PCK
PDO
PCE
29
25
COMP
9
5
4
IC204
PM4006B
11
12
IC205
NJM2903M
RDS DECODER
CN251
CN252
CN253
IC251
HA12216F
TAPE EQUALIZER
MECHANISM DRIVER
IC351
PA2020A
Q271
B.U
BU
M
SUB
MOTOR
M
MAIN
MOTOR
10
+B
TAPE-L
MTL
MTL
VR301
VREF
6
22
14
17
2
51
53
17
7
18
19
5
2
NR
Q351
Q352
1
9
8
STBY
LOAD
LOAD
SWITCH
MODE
SENSE
FWD
SENSE
REV
SENSE
1
4
5
4
3
20
FWD
LcH
REV
LcH
23
8
1
64
23
8
1
64
41
910
34
63836
32
14 1517 19
30
31
28
47
1
2
19
40 7
43
Lch
FMSL
AMSL
AMIF
ST
COMP
FMSD
S-80736AN-D0
IC703
2
1
RESET
VDD
AM-L
M
M
FM-L
AM-L
BU
CN701
4
3
20
20
18
2
3
1
57K
25
57K
13
15
12
RESET
Q706
88
TAPEMUTE
AUD+B
TAPE-L
Q201
SL
XIN
XOUT
S
PD
PC
PD
PC
ST
SD
38
37
A
MAIN UNIT
FM/AM TUNER UNIT
B
C
DECK UNIT
D
PCB UNIT
E
REEL PCB
7
9
18
10
3
SWITCH
70µs
3.2 BLOCK DIAGRAM(KEX-M8106ZT)
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL
3
13942296513
6
3
1
5
1
5
0
Q
Q
3
7
6
8
3
9
5
1
4
2
0
5
1
9
8
9
2
8
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
11
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
BU
Q323
5V
REGULATOR
VDD5V
VDD
Q332
Q331
AUD+B
TUNB
BU
8V
REGULATOR
Q608
VDD SWITCH
VDD
SYSPW
Q337-1
Q336
Q337-2
Q335
Q302
ASEN
Q301
BSEN
Q303
ISEN
BU
Q359
Q360
Q358
TUNB
AUD+B
TC74HC4066AF
IC781
ANALOG
SWITCH
NJM2068MD
IC703
NJM2068MD
IC702
Q709
Q603
Q607
UNBAL BAL
NJM2068MD
MIX AMP
IC701
10
8
L+
L-
11
9
6,12
ANSW
Q205
Q703
MUTE
Q705
MUTE
Q701
AM-L
TUNER-L
2
1
2
1
2
1
Q354
Q351
AMB
FMB
BU
ANT
7K
TAPE-L
AMMT
FMMT
AMMT
FMMT
37
38
XIN
SYSTEM CONTROLLER
IC601
PDI
PCK
PDO
PCE
SL
SD
95
90
ST
89
AMPW
AMPW
44
FMPW
43
AUD+B
73
75
23
ASEN
BSEN
ISEN
HA12187FP
IC681
AVC LAN
6
5
TX+
TX-
50
SYSMUTE
IPPW
8
1
2
TX
RX
MUTESENS
RX
TX
IPPW
ANSW
22
30
29
1
100
CN301
CN302
BU
ACC
48
AANT
47
BANT
MUTE
ILL+
+B
ACC
FMPW
AMB
FMB
Q335
Q336
PD5580B
52
SYSPW
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
7
3
6
0
5
1
5
1
3
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
12
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
3.2 MAIN UNIT(KEX-M8006ZT)(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A
CASSETTE MECHANISM MODULE
SYSTEM MUTE
MIX AMP
TAPE MUTE
TUNER MUTE
RBDS DECODER
FM DIVERSITY
PLL
FM:-26dBs(400Hz,30%)
AM:-16dBs(400Hz,30%)
TAPE:- 8dBs
FM:-18dBs
AM:-18dBs
TAPE:-4dBs
AM
FM
AM
AM
AM
AM
FM
AM
FM
B
A
MAIN UNIT
C
D E
A-a
A-aA-aA-b A-b
A-aA-a
A-b A-b
A-b A-b
A-a A-a
Large size
SCH diagram
Guide page
Detailed page
7
Q
Q
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
w
.
xia
o
y
u
1
6
c
o
m
3
.
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
13
A
8V
5V
ANALOG SW CONTROL
AND BU MUTE
AVC LAN
MUTE
5V REGULATOR
AUDIO 8V REGULATOR
BU ACC ILL SENSE
ANALOG SWITCH
AUDIO 4V
UNBAL BAL
RESET
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
SYSTEM
CONTROLLER
A-b
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
2
9
8
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
6
7
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
14
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
A-a
A-a
A-b
FM DIVERSITY
PLL
FM:-26dBs(400Hz,30%)
AM:-16dBs(400Hz,30%)
AM
FM
B
A
MAIN UNIT
SYSTEM
CONTROLLER
1
2
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
15
A-a
A-a
A-b
CASSETTE MECHANISM MODULE
UNBAL BAL
SYSTEM MUTE
MIX AMP
TAPE MUTE
TUNER MUTE
RBDS DECODER
TAPE:- 8dBs
FM:-18dBs
AM:-18dBs
TAPE:-4dBs
FM:-13dBs
AM:-13dB
TAPE:+1d
AM
AM
AM
AM
FM
AM
FM
C
D E
4
3
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
3
Q
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
16
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
16
A-a
A-b
A-b
5V
ANALOG SW CONTROL
AND BU MUTE
AVC LAN
MUTE
5V REGULATOR
1
2
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
0
5
8
9
2
4
2
8
9
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
17
A-b
A-a
A-b
8V
5V
5V REGULATOR
AUDIO 8V REGULATOR
BU ACC ILL SENSE
ANALOG SWITCH
AUDIO 4V
RESET
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
4
3
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
1
3
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
1
3
6
7
3
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
18
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
3.3 MAIN UNIT(KEX-M8106ZT)(GUIDE PAGE)
A
CASSETTE MECHANISM MODULE
UNBAL
SYSTEM MUTE
MIX AMP
TAPE MUTE
TUNER MUTE
RDS DECODER
PLL
FM:-26dBs(400Hz,30%)
AM:-16dBs(400Hz,30%)
TAPE:- 8dBs
FM:-18dBs
AM:-18dBs
TAPE:-4dBs
AM
FM
AM
AM
AM
AM
FM
AM
FM
B
A
MAIN UNIT
C
D E
SYSTE
CONTR
A-a
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
4
2
9
8
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
7
3
6
3
5
1
1
5
0
2
9
8
4
9
8
9
2
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
19
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
A
8V
5V
ANALOG SW CONTROL
AND BU MUTE
AVC LAN
MUTE
5V REGULATOR
AUDIO 8V REGULATOR
BU ACC ILL SENSE
ANALOG SWITCH
AUDIO 4V
BAL
RESET
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
ROLLER
A-b
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
20
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
A-a
A-a
A-b
PLL
FM:-26dBs(400Hz,30%)
AM:-16dBs(400Hz,30%)
AM
FM
B
A
MAIN UNIT
SYSTEM
CONTROLLER
1
2
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
21
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
A-a
A-a
A-b
CASSETTE MECHANISM MODULE
UNBAL BAL
SYSTEM MUTE
MIX AMP
TAPE MUTE
TUNER MUTE
RDS DECODER
TAPE:- 8dBs
FM:-18dBs
AM:-18dBs
TAPE:-4dBs
FM:-13dBs
AM:-13dB
TAPE:+1d
AM
AM
AM
AM
FM
AM
FM
C
D E
4
3
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
3
Q
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
22
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
A-a
A-b
A-b
5V
ANALOG SW CONTROL
AND BU MUTE
AVC LAN
MUTE
5V REGULATOR
1
2
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
5
1
0
8
9
2
4
9
9
9
2
8
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
23
A-b
A-a
A-b
8V
5V
5V REGULATOR
AUDIO 8V REGULATOR
BU ACC ILL SENSE
ANALOG SWITCH
AUDIO 4V
RESET
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
FM:-13dBs
AM:-13dBs
TAPE:+1dBs
4
3
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
1
3
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
1
3
6
7
3
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
24
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
3.4 FM/AM TUNER UNIT(KEX-M8006ZT)
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
AMAMAMAM
AM RF
FM FRONT END
FM OSC
AM OSC
B
A
FM/AM TUNER UNIT
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
1
3
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
25
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
B
FM
FM
FM
FM
FM
AM
AM
AM
AMAM
AM
AM
FM,AM
FM,AM
PNS
FM IF
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
3
Q
Q
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
26
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
3.5 FM/AM TUNER UNIT(KEX-M8106ZT)
B
PA4026A
IC1
B
A
FM/AM TUNER UNIT
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
1
3
6
7
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
27
B
IC2PA4024A
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
7
3
Q
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
28
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
3.6 CASSETTE MECHANISM MODULE
C
DECK UNIT
B/C
HA12216F
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
292827
26
252423
22
21
1
234
5
678
9
10
R256
180
R291
0R0
C271
1/50
R283 0R0
R284 0R0
R282 0R0
C253 390P
C254 390P
C252 390P
C251 390P
R281 0R0
R255
180
C256
R01
R258
18K
R402
3R3K
R403 910
R275
47K
R293
0R0
C272
R1
R285 0R0
HD1
HEAD ASSY
EXA1594
TEST TAPE
NCT-150
(400Hz, 200nWb/m)
RL
RR
FR
FL
C302
R1
VR302
33K(B)
-8.24dBs(300mV)±1dB
Fwd-R
Fwd-L
Rev-R
Rev-L
NFI(L)
RIN(L)
RIP
FIN(L)
GND
GND
FIN(R)
VREF
RIN(R)
NFI(R)
M-OUT(R)
EQOUT(R)
TAI(R)
BIAS
RAI(R)
PBOUT(R)
DET(L)
MUTE
MSGV(R)
MAOUT
MSI
MSDET
MSGV
F/R
120/70
NR
MOUT(L)
EQOUT(L)
TAI(L)
NC
RAI(L)
PBOUT(L)
NC
DET(L)
MSGV(S)
CN252
CN251
DOLBY B NR
IC251
VR301
33K(B)
C310
R1
C309
R1
R321
0R0
VCC
CCP1280
CCP1280
NC
MSOUT
NC
NC
R260
13K
R262
270K
C401
4700P
R401
12K
R276
100K
C402
R33
C404
R01
C403
R022
R288
0R0
R274
0R0
R289
0R0
R273
0R0
R272
0R0
R404
270K
C405
R033
R2
22
R278
100K
Q271
2SC4116
R292
0R0
R271
18K
C301
R1
R294
0R0
R259
13K
C255
R01
R257
18K
R261
270K
C
A
CN701
7
Q
Q
3
6
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
1
3
5
1
5
0
Q
Q
3
8
3
6
7
1
9
5
1
2
5
0
4
9
8
9
8
2
4
2
9
8
9
2
9
9
9
TEL 13942296513 QQ 376315150 892498299
3
.
c
o
m
w
w
w
.
xia
o
y
u
1
6
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
29
E
D
C
SWITCHES:
PCB UNIT
S1:LOAD SWITCH..........EJECT-PLAY
S2:70µs SWITCH...............ON-OFF
The underlined indicates the switch position.
R275
47K
R351 1K
R352 1K
R353 1K
R354 1K
R373 0R0
R355
270K
C352
3900P
R362
180
C351 R22
C354 R01
R374 0R0
C355 R1
D351
1SS355
M1 MOTOR UNIT
(MAIN MOTOR)
EXA1499
M2
MOTOR UNIT
(SUB MOTOR)
EXA1382
RS3
RS2
RS1
SC2
SC1
TAB
MC
CE
VCC2
NC
VCC
MCS
RRS
FRS
RSB
C
TAB
MS2
NC
NC
MM
SM1
RRS
GND
FRS
mtl
RSB
load
CN253
CN254
MECHANISM
DRIVER
IC351 PA2020A
R375 0R0
R404
270K
R033
R277
220K
R278
100K
6
PCB UNIT
REEL PCB
S1 LOAD
ESG1004
S2
ESG1004
70µs
MODE
SENSE
EGN1
EGN1005
EGN2
EGN1006
FWD END
SENSE
EGN3
EGN1006
REV END
SENSE
7
7
8
NM
MCS
R357
4R7K
R358
10K
C353
R01
R359
10K
C356
R01
R360
1K
R361
6R2K
R356
2K
Q351
2SB1260
Q352
2SC4102
RES
NES
8
L1
C1
4R7/35
E
D
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL
3
13942296513
6
1
3
5
1
5
0
Q
Q
4
2
9
8
3
6
7
3
1
5
0
5
1
9
8
9
2
8
4
2
8
9
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
w
.
xia
o
y
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1
6
3
.
c
o
m
30
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
MAIN UNIT
4. PCB CONNECTION DIAGRAM
4.1 MAIN UNIT
NOTE FOR PCB DIAGRAMS
1. The parts mounted on this PCB
include all necessary parts for
several destination.
For further information for
respective destinations, be sure
to check with the schematic
diagram.
2. Viewpoint of PCB diagrams
Capacitor
Connector
P.C.Board
Chip Part
SIDE A
SIDE B
A
ANTENNA
1
2
B
A
7
Q
TEL 13942296513 QQ 376315150 892498299
Q
3
6
1
3
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
31
FRONT
C
CN251
SIDE A
A
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
2
8
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
32
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
A
MAIN UNIT
A
7
Q
Q
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
33
SIDE B
A
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
34
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
4.2 FM/AM TUNER UNIT(KEX-M8006ZT)
B
SIDE A
FM/AM TUNER UNIT
A
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
B
.
xia
o
y
u
1
6
3
.
c
o
m
35
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
1
2
3
4
A
B
C
D
1
2
3
4
B
SIDE B
FM/AM TUNER UNIT
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
B
y
u
1
6
3
.
c
o
m
36
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
4.3 FM/AM TUNER UNIT(KEX-M8106ZT)
B
SIDE A
FM/AM TUNER UNIT
A
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
B
.
xia
o
y
u
1
6
3
.
c
o
m
37
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
1
2
3
4
A
B
C
D
1
2
3
4
B
SIDE B
FM/AM TUNER UNIT
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
B
y
u
1
6
3
.
c
o
m
38
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
A
1
234
B
C
D
12
34
4.4 CASSETTE MACHANISM MODULE
C
IC,Q ADJ
VR302
IC351
IC251
Q351
Q352
VR301
HEAD
ASSY
M2
CN253
CN254
CN252
Q351
Q352
IC351
C354
C352
C351
C353
C356
C355
R355
R362
R375
R373
R374
R358
R357
R361
R360
R359
D351
R356
R354
R353
R352
R351
Q271
R275
R274
R273
R272
R288
R289
R287
R322
R321
R290
R276
R278
R277
R260
R258
R254
R252
R253
C253
R261
R259
R403
R284
R282
R281
R283
R294
R292
C251
R262
R256
R291
VR302
VR301
R251
C301
C272
C256
C254
C252
R257
R293
R255
C255
R271
R285
C310
C302
C405
C309
C402
C401
C403
C404
R404
IC251
R402
R401
Q271
E
D
C322
C271
C321
CN251
1
5
2
10
15
20
19
A
CN701
C
DECK UNIT
C
DECK UNIT
SIDE A
SIDE B
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
w
w
13942296513
w
.
xia
o
y
u
Q
Q
1
6
3
7
3
6
3
.
1
5
c
1
5
o
0
8
m
9
4
2
9
8
2
9
9
39
KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
1
2
3
4
A
B
C
D
1
2
3
4
ED
1
2
3
4
5
6
7
8
6
5
4
3
2
1
L1
RED
M
M1
MOTOR UNIT
(MAIN MOTOR)
LOAD SW
S1
70µs SW
S2
MODE SENSE
EGN1
D
PCB UNIT
D
PCB UNIT
C
CN253
E
D
E
REEL UNIT
SIDE A
SIDE B
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
6
3
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
5. ELECTRICAL PARTS LIST
NOTE:
- Parts whose parts numbers are omitted are subject to being not supplied.
- The part numbers shown below indicate chip components.
Chip Resistor
RS1/_S___J,RS1/__S___J
Chip Capacitor (except for CQS.....)
CKS....., CCS....., CSZS.....
Unit Number : CWE1543(KEX-M8006ZT)
Unit Name: FM/AM Tuner Unit
Check the following terminals
SYSPW Pin 52(IC601)
ANSW Pin 100(IC601)
SYSMUTE Pin 50(IC601)
MUTE Pin 49(IC601)
YES
Are FM and AM
sounds output?
NO
Check the following terminals
FMPW Pin 43(IC601)
AMPW Pin 44(IC601)
FMMUTE Pin 38(IC601)
AMMUTE Pin 37(IC601)
YES
Is TAPE sound output?
NO
Recheck hardware
YES
IsTAPE mechanical unit
operated normally?
NO
Check the following terminals
STBY Pin 85(IC601)
CM Pin 84(IC601)
SC1 Pin 83(IC601)
SC2 Pin 82(IC601)
YES
Check the following terminals
SYSPW Pin 52(IC601)
TAPEMUTE Pin 88(IC601)
7.1.2 TROUBLESHOOTING
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
- Pin Functions (PD5579A,PD5580B)
Pin No.Pin NameI/OFunction and Operation
1MUTESENSNot used
2linhOInhibit output for LCD driver
3LCEOChip enable output pin for LCD driver
4ILLNot used
5LDOOLCD driver data output
6NCNot used
7LCKOClock output for LCD driver
8BYTEConnect to GND
9CNVSSConnect to GND
10XCINNot used
11XCOUTNot used
12resetIReset input
13XOUTOX'tal terminal
14VSSGND
15XINIX'tal terminal
16VDDPower supply
17nmiConnect to VDD
18rckIRDS clock input
19ldetIPLL lock sense input
20NCNot used
21RX2IBUS data input
22IPPWOBUS driver power supply output
23ilsensIIllumination sense input
24drstOReset output
2557KI57kHzBP-OUT sense input
26currqOCurrent request
27skISK signal input
28rdslkIRDS LK signal input
29RX1IBUS data input
30TXOBUS data output
31PDOOData output for PLL IC
32PDIIData input from PLL IC
33PCKOPLL clock output
34PCEOChip enable output for PLL IC
35ECENot used
36RDSMUTEORDS mute
37AMMUTEOAM mute output
38FMMUTEOFM mute output
39blpwOBack Light ON/OFF
40MODSENSIModulation sense
41EPMNot used
42RDTIRDS demodulation data input
43FMPWOFM power output
44AMPWOAM power output
45swvddOGrille power supply control output
46CENot used
47ANTBOAntenna control B
48ANTAOAntenna control A
49MUTEOBUS mute output
50sysmutOSystem mute
51dssillODSS illumination output
52syspwOSystem power control output
53ENC1+IVOL encoder (+) input
54ENC1-IVOL encoder (-) input
55powerIPOWER key input
56-61KST5-0OKey strobe output
7.2 IC
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
Pin No.Pin NameI/OFunction and Operation
62VCCPower supply
63NCNot used
64VSSConnect to GND
65-68KD3-0IKey data input
69MSICassette mechanism MS sense input
70fROHead forward/reverse select output
71PLAYOMS gain select output
72mtlICassette mechanism tape detect input
73asensIACC power sense input
74csejICassette eject sense input
75bsensIBack up power sense input
76NRODolby NR ON/OFF select output
77csloadITape loading detect input
78POSIPosition sense
79RESICassette mechanism reverse end sense input
80NESICassette mechanism forward end sense input
81TESTITest terminal
82SC2OCassette mechanism sub motor control output
83SC1OCassette mechanism sub motor control output
84CMOCassette mechanism capstan motor control output
85stbyIStand-by input terminal
86ENC2-IAUD encoder (-) input
87ENC2+IAUD encoder (+) input
88TAPEMUTEOTAPE mute output
89STIStereo
90FMSDIFM SD input
91NLRDS noise level
92CLIRDS tune off sense input
93RDSLRDS signal level
94ILL-Not used
95SLISignal level input
96AVSSConnect to GND
97NCNot used
98VREFConnect to VDD
99AVCCConnect to VDD
100ANSWOAnalog SW
*PD5579A,PD5580B
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
HA12216F
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32
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34
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12 34567
8910
11
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212223
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MSGV(R)
MAOUT
MSI
MSDET
VCC
MSOUT
MSGV
F/R
120/70
NR
MOUT(L)
EQOUT(L)
TAI(L)
NC
RAI(L)
PBOUT(L)
NC
DET(L)
NC
MSGV(S)
NFI(L)
RIN(L)
RIP
FIN(L)
GND
GND
FIN(R)
VREF
RIN(R)
NFI(R)
M-OUT(R)
EQOUT(R)
TAI(R)
BIAS
RAI(R)
PBOUT(R)
NC
DET(L)
NC
MUTE
Dolby B-N
LPF
DET
S/R
T/R
Dolby B-N
T/R
F/R
F/R
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
7.3 EXPLANATION
7.3.1 SYSTEM BLOCK DIAGRAM
HEAD
UNIT
POWER
AMPLIFIER
CD
INTEGRATED
PANEL
(OTHER MAKERS)
DISPLAY
(OTHER MAKERS)
KEX-M8006ZT/UC
KEX-M8106ZT/EW
GM-8706ZT/UC
GM-8306ZT/EW
POWER SUPPLY(+B, ACC)
BUS
AUDIO
VIDEO
NAVIGATION
ECU
(OTHER MAKERS)
CDX-M9086ZT-02/E
VEHICLE
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
7.3.2 OPERATIONAL FLOW CHART
Completes power-on operation.
(After that, proceed to each source operation.)
SYSPW←L
52pin
YES
Source ON
Source keys
operative
PPW←H
22pin
swvdd←L
45pin
asens
73pin
bsens
75pin
VCC=5V
16pin
VDD=5V
62pin
Power ON
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
General
Power source...................13.2 V(10.5V—16.0V allowable)
Electrode dark current ..........................less than 1 mA
Grounding system...............................Negative type
Weight .................................................1.06 kg
Signal-to-noise ratio...................more than 48 dB(stereo)
Distortion .......................................less than 1.5%
Stereo separation...............more than 25 dB (35 dB, 1 kHz)
MW tuner(KEX-M8106ZT)
Frequency range.......................................................522 - 1,611 kHz
Usable sensitivity ..............................30 dBµ ± 5 dB (S / N : 20 dB)
Selectivity................................................more than 50 dB (±9 kHz)
Signal-to-noise ratio ..............................more than 44 dB (74 dBµ)
Distortion....................................................less than 1.0% (74 dBµ)
LW tuner(KEX-M8106ZT)
Frequency range..........................................................153 - 279 kHz
Usable sensitivity ..............................33 dBµ ± 5 dB (S / N : 20 dB)
Selectivity................................................more than 50 dB (±9 kHz)
Signal-to-noise ratio ..............................more than 40 dB (74 dBµ)
Distortion.....................................................less than 1.5%(74 dBµ)
8. SPECIFICATIONS
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KEX-M8006ZT,M8006ZT-91,M8106ZT,M8106ZT-91
PIONEER CORPORATION4-1, 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 2000
K-ZZS. JULY 2000 Printed in Japan
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