Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood VHF FM Repeater VHF FM Repeater Kenwood TKR-750 B51-8661-00-SDP
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download B51-8661-00-SDP documenatation <<
Text preview - extract from the document
A B C D E
TKR-750 SCHEMATIC DIAGRAM
1
FINAL UNIT
(X45-3730-XX)(A/2)
47u25
1000p
T:8.04V
C99
C14
R49
R8
R6
10
22
0
T:7.84V R:0V
R:0V
2
1000p
1000p
0.1u
C13
1000p
1000p
2.2k
R50
C15
68n
C7
L3
8.2k
R10
C10
R7
47n
C12
150
L2
350mW
(X57-6260-XX)
TX-RX UNIT
4.7k
(A/2)-CN19
R11
CN1 R64 C1 C143 C11 C96 C16 R15 C19 L4 L5
0 1000p 33p 47p Q3 18p 1000p 33 1000p 22n 22n
Q2
2SC3356 2SC3357
R48
470
R13
* R18
470
C21
R14
R16
C22
22p
180
180
47p
(R24)
56
10
1000p
1000p
C9
C2
1000p
1000p
C136
C137
R52
R53
1k
1k
R9
R1
3
1000p
C27
R17
150k
THERMAL
T:1.15V T:0.73V
1000p
SENSE
C98
R:0V R:0V
D1 Q2,3
CN3 1SS226
RF AMP
1
VTH
2
BAT
(X57-6260-XX)
3
TX-RX UNIT
(A/2)-CN16
PDT
4
FAS
5
PC
6
8T
7
RSW
4 8
E
1000p
1000p
1000p
1000p
1000p
1000p
1000p
R25
47k
C80
C81
C82
C83
C84
C85
C86
D6
R32
SURGE
ABSORPTION VOLTAGE 100k
REGULATOR DC SWITCH
T:13.02V IC3
R:13.65V Q8
NJM78L05UA 2SC4116(Y)
CN4 R27
1 3 IN
B OUT 1 R58 100k
470
COM
1000p
1SS355
FAG 2.2k
1000p
1000p
100u25
C43
R30
THERMOSTAT
1000p
10u10
C35
C39
TH1
5
1000p
1000p
2 2
-t
IC2
TK11050M
1 6
C110
C109
C107
C3
D6
C108
Vcc COMPout
2 5
Vcont GND
3 4
Vref COMPin
R56
18
R59 39k
R60
150k
Q9
DTD123EK
6 DC SWITCH
X45-3730-XX R18 C47 L8
-10 K,E,C 146-174MHz 100 NO 22n
-11 K2,C2 136-150MHz 47 36p 15n
7
8 X45-3730-XX (1/2)
F G H I J
SCHEMATIC DIAGRAM TKR-750
1
F1
3.0A
47u25
1000p
1000p
0.47u
0.47u
0.01u
47n
L7
L6
Q5
2
C46
C55
C57
C29
C37
C118
FINAL AMP
C140
R43
10p
100
C163
C161
27p
RD70HVF1-01
C164
68p
82p
PD55003S
C30 ANT
C54 C92 C160
120p
* L8 L9 L10 L11
Q4
Q5
1000p 47n 47n 47n
1000p 1000p
C112
C162
C117
* C47
220p
C31
R22
R37
10p
27p
100
27p
110n
C49
22p
470n
0
22p
22p
39p
27p
L15
9p
9p
C142
TX
R40
120
2p
DRIVE
AMP
C69
C70
C71
C72
C74
C77
L12
R62
R63
0
0
R19 R20 R21 R23
HSM88AS
HSM88AS
100k 0 0 100k D4,5
3
1000p
100k
R24
C32
D4
D5
RF DETECTOR
D2
T:5.18V
R38
1000p
1000p
VOLTAGE
C64
R36
R45
C68
10k
R:0V
0
1k
REFERENCE DC AMP
IC1
TA75W01FU
02DZ6.2(Y)
1000p
5 4 R35 R41
C28
R28
D2
R26
C42
1M
0.01u
100
IN2+ VEE
6 3 39k 0
(X57-6260-XX)
TX-RX UNIT
IN2- IN1+ CN5
(A/2)-CN15
7 2 1
VR1
100k
OUT-B IN1- E
8 1 2
220k
VCC OUT1 B
R69
R57
2.2k
3
R34
0
B
1000p
4
C44
R29
470
1000p
R31 1k
C106
(X45-3730-XX)(B/2)
5
CN51 MAIN DC
R55 MAIN DC CN6 W3 +B1
+B1
DSA3A1
1k
RB051L-40
D51
1000p
C87
REVERSE
T:13.03V
D8
K1 CURRENT
R:13.56V W4 GND
PROTECTION GND
D9
MINISMDC050-02 D51,52
ZSA5A27
1000u25
1000p
PROTECT OF REVERSE
C91
C90
CURRENT
D7
R61
PROTECTOR CONNECTION
5.6
BACK UP
CHARGE CN52 BATTERY
SURGE BACKUP CN7 W5 +B2 6
PROTECTOR +B2
DSA3A1
D52
GND CN8
GND
Note : The components marked with a dot (◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo