Schematic Diagram - Kenwood TK-7102H Service Manual

A B C D
Note : The components marked with a dot ( • ) are parts of layer 1.
X57-6700-XX TX-RX UNIT
D403,404
Q402,403
RX VCO
1k CHARGE PUMP * L406 D404 * C426
R403 R414
R402 1k MA2S304
VOLTAGE 470 CV
R401 1k
DROPPED
D402 R410
*
Q402
HZU5ALL R418 R419 R421 L405 CV
2SA1832(GR)
TCXO Q403
1k 1k 1.5k
R:1.62V R:4.9V R412 2SC4738(GR)
X401 KDC
L401 10k
VC 5C
PLL IC
16.8MHz
GND XOUT IC401 D405,406
MB15A02
TX VCO
PLL SYNTHESIZER RF AMP
L77-1868-15 D406
* L411 MA2S304 * C434 * L413
R:6.9V Q404 R:0.069V
L403 C418 R415 2SC4649(N,P)
C411
10u 1000p 0
C412
R:4.82V 0.1u
10u6.3
LIPPLE
L416 R428
FILTER
R409 47k
100k R:4.85V
R425 R426
47k 47k 8CL
UL(CPU21)
5C
MOD
PLLE(CPU3)
DT(CPU53)
CK(CPU54)
MIC
5C
W/NO(EVOL2)
W/NI(EVOL1)
D4-11
R163 47k
SURGE ABSORPTION
5M
IC161
M62363FP
DIGITAL
POTENTIOMETER
TX AF
Q1
CN2
2SK1824 AFI(EVOL12)
1
SB Scrambler
AFO(EVOL11)
2
R164 1k
5C
3
5.0V R165 1k
4 R166 1k
R223 MIC MUTE
MICMT1(CPU73)
5 FNC1 5C Q202
29 4.7k 2SJ243 1k
R222 MICEM(CPU74)
6 FNC2
30
7 FNC3
43
C210 R210
8 FNC4
45
0.1u 18k
9 FNC5
46 R209 R211
R212
10 FNC6 T:4.9V
48 240k 82k 82k
R208
11 FNC7
1.5k
47 5C
12 FNC8
49
MIC AMP
IDC
SPLATTER FILTER IC202
NJM2904V
CN3
1 IGN
HPF
1 T:2.4V
DATAI
2 8C
DETO C213
3 IC201 R:7.9V
3
NJM2100V 3300p
4 TXAFI R207
R215 R214
MIC AMP
5 TXAFO 750k
68k 68k
6 EMGMIC C217
AF AMP C206
7 RXAFO Q201 10u6.3
7
2SC4919 C203 1000p
8 ALTI DC
8 BUFFER AMP
0.027u AMP
9 RXAFI C205
9 IC203
SUM AMP
10 5C 0.1u NJM2902V
5C
11 8C D201 D202 DI R217 1 14
8C DAN222 1SS372
R206 220k 2 13
R205 - + + -
CN4
100 1/2Vcc 3 12
20 GND 820 T:7.9V
8C 4 11
19 NC V+ GND
OR GATE AGC 5 10
18 NC
6 9
17 IRQ
7 8
16 BEEPOUT(L)
8C
T:3.37V
15 BEETOUT(H)
14 DISC
1/2Vcc MOD BUFFA
13 SIGOUT(H)
12 NC R228
11 VCC 10k
10 SIGOUT(L)
9
RXDATA
SB
8 R77
RESET
130k
7 NC (D)
6 NC
5 TXDATA
4 NC
BEAT
3 NC
SHIFT
2 NC C90
Q87
2SK1824
1 GND
18p
R:1.2mV
E F G H
T:4.8V
RX VCO RF SWITCH
BUFFER AMP RF AMP R:4.8V
C430 5p R:7.39V D409 DAN235E
R:6.6V R:0.82V Q410 R:6.2V 1 8 R:1.25V Q411
2SC5108(Y) VCC1 VCC2 2SC4649(N,P)
Q405 L421 C466
* L408 2SK508NV(K52) C432 C454 C456 2 7 C459 C460
IN OUT
100n 100p
0.5p 6p 2p 3 6 1000p 18p
R:0.76V R:0.57V
IN SW2
4 5 R444
GND SW1
1k
IC402
UPB1509GV
R429
Q407 2SJ243
DIVIDER
100
T:0.97V Q408
T:6.7V
R430 T/R SW KRX102U L417 R434
100 0
R432
C439 6p 1k
T:6.6V T:0.82V
Q406
2SK508NV(K52) C441 T/R SW
R:4.9V
LIPPLE TP
0.5p FILTER T:0.8mV
Q440
TX VCO 2SC4617(S) R:7.08V * TH351 R:2.46V
XF351
R:0.75V -t R:7.25V MIXER
R:5.44V L71-0591-05
L352 Q352
C351 R353 R354 49.95M * R355 3SK255
G2
33p 100k 330 560n D
D407 R:7.9V
MODULATION
R:7.77V S
LIPPLE C359 R:0.58V G1
FILTER
8p
Q351
2SC5108(Y)
IF AMP
8R
TX/RX(CPU20)
DT(CPU53)
CK(CPU54)
MIC
PC/TV
W/NO(EVOL2)
W/NI(EVOL1)
AFO(EVOL11)
8TC(CPU77)
8RC(CPU76)
SMP(CPU51)
AMPSW(CPU52)
AFI(EVOL12)
5M
R123 C102
0
0.1u
C101
1000p WIDE(CPU65)
NARROW(CPU64)
76 50
8RC AFM
77 49 R119 1k
8TC FNC8
78 48 R118 1k
78 CM FNC6
79 47 R117 1k
NC FNC7
5M R124
80 46 R116 1k
NC FNC5
47k
81 45 R115 1k
NC FNC4
82 44 R113 47k
SBC CEFLS
R125 1k 83 43 R114 1k
83 KMI2 FNC3
R126 1k 84 42
84 KMI1 NC
R127 1k 85 41
85 KMI3 NC
R128 1k 86 40
86 KMI4 NC
C103 87 39 R112 47k
CPU
PWRPRCT EMPFLS
1000p 38
88 IC101 RXD TXD
SIGNAL NC
R91 1k 30622MAA-B83GP 37
89
TEMP2 NC
1k
R92 90 36 R111 1k
TEMP1 HOOK
91 35
BATT PTT
92 34
RSSI RXD R109 R110
93 33 1.5k 47k
SQIN TXD
R129
94 32 R108 47k
AVSS BSYFLS
0 95 31 R107 47k
NC CLKFLS
5M L101 96 30 R106 1k
VREF FNC2
5.0V 97 29 R105 1k
AVCC FNC1
98 28
NC EEPDT
R130 1k 99 27
99 KMO1 EEPCK
R131 1k 100 26
100 KMO2 EEPWP
R227 QT/DQT(CPU1)
5M CNVSS
22k
PLLE(CPU3)
R78
1k EVLLD(CPU8) R151 R152
TX/RX(CPU20) 10k 4.7k
UL(CPU21)
DTMI(EVOL16)
RSSI(CPU92) RSSI(CPU92)
IGN(CPU72)
Q71
R75 KRC414RTK
1k
R72 R71
X86
L77-1934-05 C87 BEAT 17 1M 4.7k
SHIFT
R86
18p KEC
0
IGNITION
SQIN(CPU93)
Q86
2SK1824 SBC(CPU82)
1/2Vcc
INT(CPU18)
RESET(CPU10)
I J K L
F501
Q501 PRE DRIVE AMP T:1.5V Q502 PRE DRIVE AMP
T:1.2V
2SC3357 2SC3357 C515 R516 C516 L503 L504
C502 R503 C503 T:6.9V C509 T:7.5V 27p 0 820p 27n 27n C526 * R522 * L505
1000p 18 100p 15p 680p
T:0.38V T:1.09V
* C471
* C533
Q503
TEMPERATURE
COMPENSATION RD55003TR Q504
RD70HVF1-01
DRIVE AMP
D502 T:2.2V
DA221 R523 FINAL AMP
R510 T:2.0V R520 *
D501 1.5k 18k
TEMPERATURE
COMPENSATION
R:2.49V
RF AMP D353,354
D351,352 Q353
3SK255 RF BPF TUNING VOLTAGE
R:7.59V
R:1.85V RF BPF TUNING G2 PROTECTION
D
* C367 R364 C371 R369 C380 C384
S
0 2p 0 G1 R:1.66V 1000p 1p
R:0.89V
RF BPF
Q354
2SK1824
* C388 * R378
8R
R:2.4V
R379 TV PC R532
100k
MIC
PC/TV
W/NO(EVOL2)
AFO(EVOL11)
8TC(CPU77)
8RC(CPU76)
SMP(CPU51)
AMPSW(CPU52)
R323 L304 R322
220k 330n 100
R:6.8V
L302
R:0.64V C319
330n
100p
Q302
2SC4617(S)
W:4.9V
BUFFER AMP
N:0V
FM DEMODULATION
DETECTION
IC301
D301
TK14489V
CF301 R:4.17V MA742
L72-0993-05 WIDE 8TC
49 1 20 C309
OSC(B) RFIN
IF SWITCH
48 IF SWITCH 2 19 0.022u
OSC(E) GND
D303 D302
47 DAN222 DAN222 3 18
NC Hy_C
C315
46 4 17
CF302 MIX_O SCAN
L72-0999-05
45 R:7.9V 0.1u 5 16
SCAN
VCC
6 15
IF_IN SQLIN
43 C311 0.1u 7 14 R306
NARROW DEC1 FLAMPO SQL AMP
C312 0.1u 8 13 270k R:1.77V
DEC2 FLAMPI Q301
2SC2412K
R314 2.2k 9 12 C306
W:0V PH_S RSSI R:1.11V
N:4.9V R315 18k 10 11 1000p
AFO
QUCO
AFV
L301
L34-4554-05
C258 R258 C256
36
0.01u 2.7k 0.018u
35 AUDIO
FILTER IC251
RSSI(CPU92) NJM2902V
5M W/NI(EVOL1) R259 1 14 R256
5M 12k 2 13 5.6k
- + + -
AFI(EVOL12) 3 12
R:7.9V
30 4 11
8C V+ GND
29 5 10
6 9 R251 C251
7 8 47k
4.7u6.3
5C
1 8 RX
A0 R270 C269
VCC C253
2 7 R:3.8V R253
A1 2.7k 0.1u
WP R67
3 6 47k 1/2Vcc 1u 0
R269 C268
A2 SCL
4 5 R66 R264
4.9V 82k 0.1u 8C 120k
GND SDA
47k
Q251 R:3.37V
IC66 EEPROM AF MUTE 2SC4617(S)
AT24C64N10SI18 R:0.7mV C264
Q253
5M 2SK1824
C66 1000p AFM(CPU50) R268 0.033u
LIMITTER
DTMI(EVOL16) 1k BUFFER
AMP
D251
R265 MA742
R:2.78V
Q252
5.6k R275
2SK1824
B
AF MUTE Scrambler
R267
0
SQIN(CPU93)
SBC(CPU82)
1/2Vcc
INT(CPU18)
RESET(CPU10)
M N O P
X54-3460-20 DISPLAY UNIT
CN601
T:13.6V
R:12.6V
ANT SW
D602
L507 L508 C554 MA4PH633 C603 L602 L603 L604
1T 2.5T 1000p 1000p 5T 5T 5T
T:0.79V
D1-3
SURGE ABSORPTION
5M
D603-605
ANT SW
D606 D607
D606,607 MA742 MA742
APC VOLTAGE
DETECT
APC CONTROLLER CN1 CN1
POWER 18 1 GND
IC501
TA75W01FU
R1 100 PTT 17 2 PTT
5 4 35
T:16V R2 0 MIC 16 3 MIC
VEE
6 3 R605
POWER 15 4 POWER
7 2 15k 17
D608 R5 14 5 ME
1SS355
8 1 5C
TEMPERATURE 22k HOOK 13 6 HOOK
VCC R3 1k
T:7.9V COMPENSATION 36
KMI2 12 7 KMI2
83
CM 11 8 CM
R4 3.3k
R528 78
KMI1 10 KMI1
9
84
R531 R529 470 KMI3 KMI3
9 10
85
0 47k 470 KMO1 8 KMO1
11
99
KMI4 KMI4
7 12
MIC 86
KMO2 KMO2
6 13
100
SB 5 14 SB
SB
5C 4 15 5C
5C
CE 3 16
70
CL 2 17 CL
69
DI 1 18 DI
71
IC252
LA4600
AUDIO AMP
10 9 8 7 6 5 4 3 2 1
AFO(EVOL11) C273 R277 R278 C274
1u 68k 12k 0.22u
R313
100k
R:3.1V
Q254 J1
SPM(CPU51) R279
DTC363EU
4.7k
AF MUTE
CN5 X54-3460-20
D1-4 :B30-2238-05
AMPSW(CPU52) Q255
D5-10 :B30-2239-05
KRC102S
D11 :B30-2237-05
AF MUTE
D12 :B30-2240-05
KEC
D13 :DA221
T:7.9V
Q35,36
Q35 D32
DC SWITCH
KTA1664(Y) CURRENT
R36 8T PROTECTION
Q36 DC SWITCH
KRC102S 1.5k KEC R:13.5V
T:13.0V
R35 C37 1000p
R37
8TC(CPU77) R:13.5V
47k D32 Q31
0 1812L110PR
R:7.9V 2SA1641(S,T) X57-6700-XX
KEC B
D1-11,502
VOLTAGE 1,1A SB
8R E D31
Q33,34 REGULATOR
Q33 D32
DC SWITCH
2SA1745(6,7) 8C D61
Q34 R34 8R IC31 R:12.8V
KIA7808AF D201,302,303
KRC102S R:7.9V
4.7k DC SWITCH D202
R33 3 1 D31
8RC(CPU76) Q32 D251.301,606,607
OUT IN
47k KRC102S REVERSE
COM CONNECTION D351-354
2 KEC PROTECTION D401,408
KEC
D402
8C VOLTAGE REGULATOR D403-406
5C IC32 IC33
D407
R:4.9V NJM78L05UA R:4.9V NJM78L05UA
D409
1 3 5M 1 3 D501.608
OUT IN
5C OUT IN
COM COM D503
D602
2 VOLTAGE 2
D603,604
REGULATOR
D605
5M
R:4.5V
IC35 IC34
R62
PST9140NR PST9140NR
1k
1 5 R:6.2V 1 5
Q61 NC VCC NC VCC
KRC404RTK 2 2
5C VEE1 VEE1
15k D61 R61 3 4 3 4
OVER VOLTAGE VEE2 OUT VEE2 OUT
DETECTION
02DZ18(X,Y) 470
X57-6700-XX
OVER VOLTAGE
KEC DETECTION VOLTAGE VOLTAGE -22,-24 M,K 146-174MHz
DETECTOR DETECTOR
-23,-25 M2,K2 136-162MHz
INT RESET
SBC(CPU82)
B X57-6700-XX
INT(CPU18) -22,-24 M,K 146-174MHz
RESET(CPU10) -23,-25 M2,K2 136-162MHz
X57-6700-XX
-22,-24 M,K 146-174MHz
-23,-25 M2,K2 136-162MHz
Q R S T
TK-7102H

SCHEMATIC DIAGRAM

D1-4
Q9 Q9,10
KRA225S
KEY BACKLIT
3.7V KEY BACKLIT SWITCH
D1 D2 R14
13.46V Q10
2.7k D13
B30-2238-05 B30-2238-05 KRC102S
SURGE PROTECTION
NORMAL AMBER 3.7V
D3 D4 R15
2.7k
B30-2238-05 B30-2238-05
R19
R17
2.2k 4.23V J1
R16 10
MICBL MICBL 1 MBL
2
100 SB
5C 5C 3 GND
PTT PTT 4
PTT
ME ME 5
MIC MIC 6 ME
MIC
HOOK HOOK 7
CM CM 8 HOOK
CM
MONITOR KEY LIGHT
0.17V 11.4V M
D5
R7
SHIFT REGISTER FOR
LED & MICBL CONTROL 2.7k
B30-2239-05
PROGRAMMABLE KEY LIGHT
0.17V 11.35V
IC1 D6 P
R8
BU2090FS
4.96V
2.7k
1 16 B30-2239-05
VSS VDD
D7-10
2 15
DATA Q11 CHANNEL KEY LIGHT
0.16V 11.34V
3 14 R9 D7 1
CLOCK Q10
MICBL 4 13 2.7k SUPER AMBER
Q0 Q9
0.16V 11.40V B30-2239-05
LEDMON 5 12 LEDG
Q1 Q8 R10 D8 2
LEDPF 6 11 LEDR
Q2 Q7 2.7k
LEDC1 7 10 LEDC4 0.16V 11.40V B30-2239-05
Q3 Q6
R11 D9 3
LEDC2 8 9 LEDC3
Q4 Q5
2.7k
B30-2239-05
0.16V 11.38V
4
R12 D10
2.7k
B30-2239-05
CP3
L1 3.9k
BUSY
0.17V 11.1V
D11 G
Q4
KRC102S
YELLOW GREEN
R20 B30-2237-05
5C
2.2k
CP4
3.9k TRANSMIT
BUSY LIGHT SWITCH R13 D12 R
0.15V 2.7k 9.57V
SUPER RED
B30-2240-05
R1 1k
R2 1k
R3 1k
R4 1k
R5 1k
R6 1k
P M
1 2 3 4
Q4,10 :KRC102S IC1 :BU2090FS
Q9 :KRA225S
:DA221 Q1,86,87,252,253,354 :2SK1824 IC31 :KIA7808AF
:ZSH5MA27 Q31 :2SA1641(S,T) IC32,33 :NJM78L05UA
:1812L110PR Q32.34,36,255 :KRC102S IC34,35 :PST9140NR
:02DZ18(X,Y) Q33 :2SA1745(6,7) IC66 :AT24C64N10SI18
:DAN222 Q35 :KTA1664(Y) IC101 :30622MAA-B83GP
:1SS372 Q61 :KRC404RTK IC161 :M62363FP
:MA742 Q71 :KRC414RTK IC201 :NJM2100V
:HVC350B Q201 :2SC4919 IC202 :NJM2904V
:MA2S111 Q202,407 :2SJ243 IC203,251 :NJM2902V
:HZU5ALL Q251,302,440 :2SC4617(S) IC252 :LA4600
:MA2S304 Q254 :DTC363EU IC301 :TK14489V
:MA360 Q301 :2SC2412K IC401 :MB15A02
:DAN235E Q351,410 :2SC5108(Y) IC402 :UPB1509GV
:1SS355 Q352,353 :3SK255 IC501 :TA75W01FU
:02DZ5.1(Y) Q402 :2SA1832(GR)
:MA4PH633 Q403 :2SC4738(GR)
: Q404,411 :2SC4649(N,P)
*
:XB15A709 Q405,406 :2SK508NV(K52)
Q408 :KRX102U
Q501,502 :2SC3357
Q503 :PD55003TR
Q504 :RD70HVF1-01
C304 C305 C367 C369 C373 C386 C388 C426 C427 C429 C434 C435 C440 C471 C533 C541 C542 C552 C553 C601 C605
330p 330p 100p 4p 4p 24p 4p 27p 8p 1p 470p 10p 7p 10p 68p 27p 27p 15p 15p 12p 22p
390p 390p 150p 0.5p NO 27p 6p 12p 4p 2p 33p 5p 6p 12p 100p NO NO 22p 1p 18p 33p
L354 L355 L356 L406 L407 L408 L409 L410 L411 L412 L413 L414 L415 L418 L505 R355 R361 R372 R374 R378 R410
50n 50n 50n 27u 27u 27n 27u 27u 27u 27u 39n 4.7u 4.7u 33n 18.5n 470 47 220k 180k 0 8.2k
67n 67n 67n 270n 270n 39n 270n 270n 270n 270n 68n 270n 100n 68n 15n 1k 56 120k 120k 10 10k
R423 R522 R523 TH351 D603 D604
220 180 39k NO XB15A709 NO
330 330 47k B57331V2104J NO XB15A709 46
1
2
3
4
5
6
7