Kenwood TM-631A Service Manual page 65

TM-631A
TM-631A TM-631A TM-631A
LEVEL DIAGRAM
BLOCK DIAGRAM TSU-6
(CTCSS UNIT)
a
TSU-6 EXTERNAL VIEW
TSU-6 Reference Information
Re
qi
Relationship Between the Main Unit Mode and the
222.5
MHz
30,
825
MHz
MN4094BS (IC2)
I
X53-3250
CTCSS TONE
MN4094BS Terminals
220M
X57-3410-10 x87-3400
Switch Switch
™/PX
a5 Q1~4, 7,8
ANT
|
+24
|
dBy
+23dB
~
OFF
™
TH
L
-8
dB
B
8 RX
L H L
y
SW AMP
VOL L.P.F
|
Sw
\
AFPA
al
OFF
nN
a ;
L
Sco
TET.
1413 7 5
43
OFF
;
aoml
Mai
!
P
SP
ay
ON
a
See Table 2.
RAI
t
t
BN
RX
H L -+---;
Q1~4, 7, 8: Tone requency
Q6: MN6520 (IC1) power
i i AN
switching. ;
"L':
TX. Table
1
0C1)
X57-3400-12
I44M
Note
1..
Each of the levels plotted from the RF to the
TSU-6 PARTS LIST
* New parts ANT
+7dB +30By +13dBy +2348 l
1st IF is the level which can provide 12 dB
|
i
Y
I
BINAD for an
SSG
through
0.01
pF ceramic
A
capacitor.
RX Note 2. The AF levei
is
the value measured by an AF
|
E
s
VTVM when
an
SSG signal of 40
dB»
EMF
DET
modulated with
a
kHz MOD and a 3 kHz DEV
pPAe is received and the AF output is adjusted to
7
|
|
L2 Ql L3
L4 LS
Q2 Q3
MIX,IF,DET
360 mv
0.53 V/8 ohms using
AFVOL.
4
a
|
X57-3410-10
'1,
©!
|
23mv-_]
X59-3610-00
|
O.1V
7
00.8V LOV 0.4V
t
MDI
i
\
i
0.98V
Ql2 D8 Li4 Qis
|
|
ves
gioz
_
7
8 b
s
3
-4
RFV.T.V.M
9 3
AFV.T.V.M
I
X57-3400-12
Xi5-3350-10
|
o
2
l
ioe
3 B/
4 - 3
~
z
Note 3. Adjust AC so that the MIC jack input has a
I
4
|
|
"Sy
TSU-6
Frequency
3 kHz DEV with a
1
kHz MOD.
i
1
po2
145M
*
jes
The tone
frequency
can
be fine-adjusted in
0.5%
steps, in
Note 4. The transmission frequencies are
222.0
MHz
ANT
the range from 0 to + 1.5%. For the fine-adjustment, con- MD2
|
RFPA
™ and
145.0 MHz.
0.3V
nect T1 (pin 10) and
T2
(pin
9) of 101 as indicated in Table
Note 5. The HI/LOW switch
is
set to the
HI position. j
t
52Ww
r
Fy 3.
Note 6. Except with the ANT terminal, the power meter Li eo
X58-3670-10
o
en
00 3k
L__ J
J GND, X OPEN
73 74
75 76
Table 3
Table 2
A/3
SSG AF V.T.V.M
CVTy
Relationship Between Tone Frequency and the
MN6520
MN6520 Terminals
Tone
so
sé
s4 s3 82
a
Frequency
MN4094 Terminals
(Hz)
Qi Q2 Q3
a4
Q7 Qs
67.0 L H H H L
719
L H H H L
74.4 L H H L H
770
L H L
79.7 L H L
82.5 L L
85.4 L
88.5 L
915
L
94.8
100.0
103
5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
1413
146.2
151.4
156.7
162.2
167.9
173.8 H L
179.9 H L
H
192.8
H
203.5
H
210.7
H
218.1
225.7
233.6
241.8
250.3
Ref New
No
Parts,
Parts No.
Description
CTCSS
UNIT (X53-3100-00)
C1 CK73FB1H102K
Chip
C
1000pF
C2 C92-0010-05
Tan. C 6.8puF
6.3WV
c3
C92-0006-05 Tan.C 3.3yF 4.0WV
C4,5 CK73EB1E104K Chip C 0.1
pF
C6 CK73EB1H223K
Chip C 0.022pF
C7 CK73EB1E104K
Chip C 0.1 pF
CC73FCH1H150J C8,9
Chip
C 15pF
c10 CK73FB1H102K
Chip
C
1000pF
C11 CK73EB1E104K
Chip C
0.1pF
C12 C92-0507-05 Chip tan. C 4.7pF 6.3WV
C13 C92-0510-05 Chip tan. C
3.3nF
4wv
E40-5121-05
Pin ass'y socket (10P)
X1 L77-1313-05 X'tal 4.194304 MHz
R1~10 RK73FB2AO0OJ
Chip R
R12~14 RK73FB2A000J
Chip R
VR1 R12-3460-05
Semi-fixed R- 33 kQ
ai
DTC144TK DIGITAL TR
Q2 DTA114EK DIGITAL TR
a3
2S8C2712(GR) Chip
TR
IC1 MN6520 Ic
IC2 MN4094BS Ic
146.1 MHz
16.9 MHz
T1 T2
0%
+0.5%
+1.0%
+1.5%
AFC OFF. Zar
TM-631A
TM-631A TM-631A TM-631A
LEVEL DIAGRAM
BLOCK DIAGRAM TSU-6
(CTCSS UNIT)
a
TSU-6 EXTERNAL VIEW
TSU-6 Reference Information
Re
qi
Relationship Between the Main Unit Mode and the
222.5
MHz
30,
825
MHz
MN4094BS (IC2)
I
X53-3250
CTCSS TONE
MN4094BS Terminals
220M
X57-3410-10 x87-3400
Switch Switch
™/PX
a5 Q1~4, 7,8
ANT
|
+24
|
dBy
+23dB
~
OFF
™
TH
L
-8
dB
B
8 RX
L H L
y
SW AMP
VOL L.P.F
|
Sw
\
AFPA
al
OFF
nN
a ;
L
Sco
TET.
1413 7 5
43
OFF
;
aoml
Mai
!
P
SP
ay
ON
a
See Table 2.
RAI
t
t
BN
RX
H L -+---;
Q1~4, 7, 8: Tone requency
Q6: MN6520 (IC1) power
i i AN
switching. ;
"L':
TX. Table
1
0C1)
X57-3400-12
I44M
Note
1..
Each of the levels plotted from the RF to the
TSU-6 PARTS LIST
* New parts ANT
+7dB +30By +13dBy +2348 l
1st IF is the level which can provide 12 dB
|
i
Y
I
BINAD for an
SSG
through
0.01
pF ceramic
A
capacitor.
RX Note 2. The AF levei
is
the value measured by an AF
|
E
s
VTVM when
an
SSG signal of 40
dB»
EMF
DET
modulated with
a
kHz MOD and a 3 kHz DEV
pPAe is received and the AF output is adjusted to
7
|
|
L2 Ql L3
L4 LS
Q2 Q3
MIX,IF,DET
360 mv
0.53 V/8 ohms using
AFVOL.
4
a
|
X57-3410-10
'1,
©!
|
23mv-_]
X59-3610-00
|
O.1V
7
00.8V LOV 0.4V
t
MDI
i
\
i
0.98V
Ql2 D8 Li4 Qis
|
|
ves
gioz
_
7
8 b
s
3
-4
RFV.T.V.M
9 3
AFV.T.V.M
I
X57-3400-12
Xi5-3350-10
|
o
2
l
ioe
3 B/
4 - 3
~
z
Note 3. Adjust AC so that the MIC jack input has a
I
4
|
|
"Sy
TSU-6
Frequency
3 kHz DEV with a
1
kHz MOD.
i
1
po2
145M
*
jes
The tone
frequency
can
be fine-adjusted in
0.5%
steps, in
Note 4. The transmission frequencies are
222.0
MHz
ANT
the range from 0 to + 1.5%. For the fine-adjustment, con- MD2
|
RFPA
™ and
145.0 MHz.
0.3V
nect T1 (pin 10) and
T2
(pin
9) of 101 as indicated in Table
Note 5. The HI/LOW switch
is
set to the
HI position. j
t
52Ww
r
Fy 3.
Note 6. Except with the ANT terminal, the power meter Li eo
X58-3670-10
o
en
00 3k
L__ J
J GND, X OPEN
73 74
75 76
Table 3
Table 2
A/3
SSG AF V.T.V.M
CVTy
Relationship Between Tone Frequency and the
MN6520
MN6520 Terminals
Tone
so
sé
s4 s3 82
a
Frequency
MN4094 Terminals
(Hz)
Qi Q2 Q3
a4
Q7 Qs
67.0 L H H H L
719
L H H H L
74.4 L H H L H
770
L H L
79.7 L H L
82.5 L L
85.4 L
88.5 L
915
L
94.8
100.0
103
5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
1413
146.2
151.4
156.7
162.2
167.9
173.8 H L
179.9 H L
H
192.8
H
203.5
H
210.7
H
218.1
225.7
233.6
241.8
250.3
Ref New
No
Parts,
Parts No.
Description
CTCSS
UNIT (X53-3100-00)
C1 CK73FB1H102K
Chip
C
1000pF
C2 C92-0010-05
Tan. C 6.8puF
6.3WV
c3
C92-0006-05 Tan.C 3.3yF 4.0WV
C4,5 CK73EB1E104K Chip C 0.1
pF
C6 CK73EB1H223K
Chip C 0.022pF
C7 CK73EB1E104K
Chip C 0.1 pF
CC73FCH1H150J C8,9
Chip
C 15pF
c10 CK73FB1H102K
Chip
C
1000pF
C11 CK73EB1E104K
Chip C
0.1pF
C12 C92-0507-05 Chip tan. C 4.7pF 6.3WV
C13 C92-0510-05 Chip tan. C
3.3nF
4wv
E40-5121-05
Pin ass'y socket (10P)
X1 L77-1313-05 X'tal 4.194304 MHz
R1~10 RK73FB2AO0OJ
Chip R
R12~14 RK73FB2A000J
Chip R
VR1 R12-3460-05
Semi-fixed R- 33 kQ
ai
DTC144TK DIGITAL TR
Q2 DTA114EK DIGITAL TR
a3
2S8C2712(GR) Chip
TR
IC1 MN6520 Ic
IC2 MN4094BS Ic
146.1 MHz
16.9 MHz
T1 T2
0%
+0.5%
+1.0%
+1.5%
AFC OFF. Zar