Kenwood TK-7100 Service Manual page 49

TX-RX UNIT (X57-6910-XX)
D403,404 RX VCO
Q402,403 RX VCO
R:6.5V
CHARGE PUMP
C426
R403 1k R414 * L406 D404 * * L408 2SK508NV(K52)
R402 1k MA2S304
VOTAGE 470 CV
R401 1k
DROPPED
D402 * R410
Q402
HZU5ALL R418 R419 R421 L405
2SA1832(GR)
TCXO Q403 CV
1k 1k 1.5k R429
1.6V X401 KDC 4.9V R412 2SC4738(GR)
100
10k
VC 5C
R430
PLL IC
16.8MHz
D405,406 100
IC401 C439
GND XOUT TX VCO
MB15A02 6p
PLL SYNTHESIZER RF AMP T:6.4V
L77-1868-15 D406
6.9V * L411 MA2S304 * C434 * L413 2SK508NV(K52)
Q404
L403 C418 R415 2SC4649(N,P) 0.7V
C411
10u 1000p 0
TX VCO
4.8V C412 0.1u
10u6.3
RIPPLE
FILTER
L416 R428 D407
R409 MODULATION
47k
100k
R426
R425 47k 8CL
47k
UL(CPU21)
5C
MOD
PLLE(CPU3)
DT(CPU53)
CK(CPU54)
MIC
D4-11
SURGE ABSORPTION 5C
W/NO(EVOL2)
5M
W/NI(EVOL1)
R163 47k
IC161
CN2
1 M62363FP
SB
2 DIGITAL
TX AF POTENTIOMETER
3
Q1
4 2SK1824
AFI(EVOL12)
Scrambler
5 FNC1 AFO(EVOL11)
29
R164 1k
6 FNC2 5C
30
5.0V R165 1k
7 FNC3
43 MIC MUTE R166 1k
R223
8 FNC4 5C Q202 MICMT1(CPU73)
45
9 4.7k 2SJ243 R222 1k MICEM(CPU74)
FNC5
46
10
FNC6 LOCK:5.0V
48
11 FNC7 C210 R210
47
12 FNC8 0.1u 18k
49 R209 R211
4.9V R212
240k 82k 82k
R208
CN3
1 IGN 1.5k
5C
1
2 DATAI
3 DETO MIC AMP
3 IDC
4 TXAFI IC202
SPLATTER FILTER NJM2904V
5 TXAFO
HPF
6 EMGMIC 2.4V
8C
7 RXAFO
7 C213
IC201
8 ALTI
8 NJM2100V 3300p
R207 R215 R214
9 RXAFI MIC AMP
9
10 5C 750k 68k 68k
5C
11 8C AF AMP C217
C206
8C Q201 10u6.3
8.0V
2SC4919 C203 1000p
DC
BUFFER AMP
0.027u AMP
C205
SUM AMP IC203
0.1u NJM2902V
D201 D202 R217 14
1
DAN222 1SS372
R206 220k 2 13
R205 - + + -
100 3 12
1/2Vcc
X57-6910-XX C304 C305 C367 C369 C373 C386 820
8C 4 11
V+ GND
-20 K,M 146-174MHz 330p 330p 100p 4p 4p 24p
OR GATE AGC 5 10
-21 M2 136-162MHz 390p 390p 150p 0.5p NO 27p
6 9
7 8
X57-6910-XX C388 C426 C427 C429 C434 C435 8C
3.42V
-20 K,M 146-174MHz 4p 27p 8p 1p 470p 10p
-21 M2 136-162MHz 6p 12p 4p 2p 33p 5p 1/2Vcc
MOD BUFFA
X57-6910-XX C440 C471 C516 C517 C518 C601 R228 R227
-20 K,M 146-174MHz 7p 10p 7p 9p 8p 12p 10k 22k
-21 M2 136-162MHz 6p 12p NO 18p 10p 18p
R78
SB
X57-6910-XX C605 C607 D603 D604
R77 1k
-20 K,M 146-174MHz 22p 2p XB15A709 NO 130k
(D)
-21 M2 136-162MHz 27p 1p NO XB15A709
BATT
DETECT
X57-6920-XX L354 L355 L356 L406 L407 L408
-20 K,M 146-174MHz 50n 50n 50n 27u 27u 27n
BEAT
-21 M2 136-162MHz 67n 67n 67n 270n 270n 39n SHIFT
X86
Q87 C90
2SK1824
X57-6910-XX L409 L410 L411 L412 L413 L414 18p R86
0
-20 K,M 146-174MHz 27u 27u 27u 27u 39n 4.7u
-21 M2 136-162MHz 270n 270n 270n 270n 68n 270n
R:1.2mV
X57-6910-XX L415 L418 R355 R361 R372 R374
-20 K,M 146-174MHz 4.7u 33n 470 47 220k 180k
-21 M2 136-162MHz 100n 68n 1k 56 120k 120k
X57-6910-XX R378 R410 R423 TH351
-20 K,M 146-174MHz 0 8.2k 220 NO
-21 M2 136-162MHz 10 10k 330 B57331V2104J
6.2V
C430 BUFFER AMP RF AMP
4.8V
Q410 Q411 7.2V
5p R:0.8V 1 8 1.2V
Q405 2SC5108(Y) VCC1 VCC2 2SC4649(N,P) L421 C466
C456 C459 C460
C432 C454 2 7
IN OUT 100n 100p
6p 6 1000p 18p
0.5p 2p 3
IN SW2 0.8V
4 5
0.7V R435 GND SW1
100
IC402
UPB1509GV
DIVIDER
Q407
2SJ243 Q408
KRX102U
T/R SW L417
R432
1k
R:4.9V
Q406 T:1.1V
T:0V
C441 T/R SW
0.5p RIPPLE 7.0V
FILTER
Q440 TP
2SC4617(S)
XF351 * TH351
R:4.6V R:0.8V R:7.0V
L71-0591-05 -t
C351 R353 R354 49.95M R355 L352
*
33p 100k 330 560n
7.9V 7.9V
C359 R:0.4V
RIPPLE 8p
FILTER
Q351
2SC5108(Y)
IF AMP
8R
TX/RX(CPU20)
MIC
PC/TV
W/NO(EVOL2)
W/NI(EVOL1)
AFO(EVOL11)
8TC(CPU77)
8RC(CPU76)
DT(CPU53)
CK(CPU54)
5M
R:5.0V R123 C102
0
0.1u
C101
1000p
76
8RC
77
8TC
78
78 CM
79
NC
5M R124 80
47k NC
81
NC
82
SBC
R125 1k 83
83 KMI2
R126 1k 84
84 KMI1
R127 1k 85
85 KMI3
R128 1k 86
86 KMI4
C103 87
PWRPRCT CPU
1000p 88 IC101
SIGNAL
30622MAA-B86GP
R91 1k 89
TEMP2
1k 90
R92
TEMP1
91
BATT
92
RSSI
93
SQIN
R129 94
AVSS
0 95
NC
L101 96
5M VREF
4.9V 97
AVCC
98
NC
R130 1k 99
99 KMO1
R131 1k 100
100 KMO2
QT/DQT(CPU1) 5M CNVSS
PLLE(CPU3)
R151
EVLLD(CPU8)
10k
TX/RX(CPU20)
UL(CPU21)
DTMI(EVOL16)
RSSI(CPU92)
IGN(CPU72)
R75
1k
C87 BEAT 17
SHIFT
18p
IGNITION
SQIN(CPU93)
Q86
2SK1824 SBC(CPU82)
1/2Vcc
T:6.7V POWER MODULE IC502
PRE DRIVE AMP DRIVE1 T:6.0V
RF SWITCH T:1.0V T:1.2V RA30H1317M-31
Q501 Q502 C515
2SC3357
C502 R503 C503 2SC3357 C509
27p
18
1000p 100p 15p
T:0.7V T:0.6V
D409
T:12.9V
DAN235E
R444
1k
TEMPERATURE
COMPENSATION R510
D502
1.5k DA221
D502
R:3.2V VOLTAGE
TEMPERATURE PROTECTION
COMPENSATION
R:3.6V
MIXER
RF AMP
Q352 Q353 D353,354,355
3SK255 D351,352 3SK255
R:7.3V RF BPF TUNING
R:1.9V RF BPF TUNING
D G2 D G2
* C367 R364 C371 R369 C380 C384
S
S G1 0 2p 0 G1 R:1.6V 1000p 1p
R:0.9V
* C388 * R378
Q354
2SK1824
8R
R:2.4V
TV R379
100k
MIC MIC
PC/TV PC/TV
W/NO(EVOL2) W/NO(EVOL2)
AFO(EVOL11) AFO(EVOL11)
8TC(CPU77) 8TC(CPU77)
8RC(CPU76) 8RC(CPU76)
SMP(CPU51) SMP(CPU51) SMP(CPU51)
AMPSW(CPU52) AMPSW(CPU52) AMPSW(CPU52) AMPSW(CPU52)
AFI(EVOL12)
R323 L304 R322
220k 330n 100 DETECTION
R:7.5V D301
R:4.6V
L302 C319 MA742
R:0.6V
C309
330n 100p
Q302
0.022u
WIDE(CPU65) 2SC4617(S)
NARROW(CPU64) BUFFER AMP
W:4.9V
N:0V
FM DEMODULATION
IC301
50
AFM CF301 TK14489V
49 R119 1k L72-0993-05 WIDE 1 20
FNC8 49
OSC(B) RFIN
48 R118 1k IF SWITCH IF SWITCH 2 19
FNC6 48
R117 1k D303 D302 OSC(E) GND
47 7.9V 3 18
FNC7 47 DAN222 DAN222
46 R116 1k NC Hy_C
C315 4 17
FNC5 46 CF302 MIX_O SCAN
45 R115 1k
L72-0999-05 0.1u 5 16
FNC4 45
44 R113 47k VCC SCAN
6 15
CEFLS IF_IN
43 R114 1k SQLIN
43 C311 0.1u 7 14 R306
FNC3 NARROW DEC1 FLAMPO
42
NC C312 0.1u 8 13 270k R:1.4V
DEC2 FLAMPI
41
NC W:0V R314 2.2k 9 12 C306
PH_S RSSI
40 N:4.9V 1000p
NC R315 18k 10 11
QUCO AFO
39 R112 47k R:1.0V
EMPFLS AFV
38 RXD TXD
NC
37
NC
36 R111 1k L301
HOOK 36
35 L34-4554-05
PTT 35 RSSI(CPU92)
34
W/NI(EVOL1)
RXD R109 R110
33 1.5k 47k
C258 R258 C256
TXD 5M
32 R108 47k
BSYFLS 5M 0.01u 2.7k 0.018u
AUDIO IC251
31 R107 47k FILTER
CLKFLS NJM2902V
AFI(EVOL12)
30 R106 1k
FNC2 30 R259 1 14 R256
29 R105 1k 12k 13 5.6k
FNC1 29 2
- + + -
28 3 12
EEPSDT 7.9V
27 4 11
EEPSCK V+ GND
8C
26 5 10
EEPWP
5C
6 9 R251
1 8 R270 C269
A0 VCC 7 8 47k
2 7 2.7k 1u
A1 WP R67
3 6
47k R269 C268
A2 SCL RX
4 5 R66
82k 0.1u C253
GND SDA 3.3V R253
47k
R152
4.9V 1/2Vcc 1u 0
IC66 AF MUTE
4.7k AT24C64A10SI18
Q253 R264
C66 1000p
R268 2SK1824
AFM(CPU50) 120k
EEPROM
DTMI(EVOL16) 1k Q251 3.3V
2SC4617(S)
RSSI(CPU92) D251 LIMITTER
C264
MA742
Q71 0.033u
KRC414RTK
BUFFER
R72 R71 R:0V
R:2.7V AMP R265
B
1M 4.7k Q252
2SK1824 Scrambler 5.6k
KEC AF MUTE R267
0
SQIN(CPU93) SQIN(CPU93)
SBC(CPU82) SBC(CPU82)
1/2Vcc 1/2Vcc
INT(CPU18) INT(CPU18) INT(CPU18)
RESET(CPU10) RESET(CPU10) RESET(CPU10)
VHF
R800
* C516 C604 C612
R92-1061-05
ANT SW
4p 7p
L503 D602
2.5T MA4PH633 C603 L603 L604
1000p 5T 5T
T:0.9V
D606,607
APC VOLTAGE D1-3
D603,604 DETECT
SURGE ABSORPTION
ANT SW
5M
D606 D607
8T
MA742 MA742
T:7.9V
APC CONTROLLER
IC501
TA75W01FU
CN1
1 8 T-Hi:9.0V 18
Lo:3.6V POWER
VCC
2 7 R605 R1 100 PTT 17
- +
35
R522 R529 3 6 47k D608 R2 0 MIC 16
+ -
1SS355
0 10 4 5 TEMPERATURE POWER 15
17
VEE COMPENSATION
R5 14
5C
22k R3 1k HOOK 13
36
R350 R528
KMI2 12
83
27k CM
10k R4 3.3k 11
78
T-Hi:4.5V KMI1 10
Lo:2.6V
84
TV KMI3 9
85
KMO1 8
99
KMI4 7
MIC MIC 86
KMO2 6
PC/TV 100
W/NO(EVOL2) SB 5
SB
5C 4
5C
CE 3
AFO(EVOL11) 70
8TC(CPU77) CL 2
69
8RC(CPU76)
DI 1
SMP(CPU51) 71
IC252
LA4600
R313 AUDIO AMP
8TC
100k 10 9 8 7 6 5 4 3 2 1
AFO(EVOL11) C273 R277 R278 C274
1u 68k 12k 0.22u
3.1V
J1
SPM(CPU51) R279 Q254
DTC363EU
4.7k
AF MUTE
CN5
AMPSW(CPU52) Q255
KRC102S
SQL AMP
AF MUTE
KEC
Q301
2SC2412K
T:7.9V
Q35,36
Q35
DC SWITCH D32
KTA1664(Y) CURRENT C37
R36 8T PROTECTION
Q36 1000p
KRC102S 1.5k KEC R:13.5V
T:13.0V
R35 DC SWITCH
8TC(CPU77) R37
D32 R:13.5V
47k Q31
0 1812L110PR KTA1046(Y)
R:7.9V
KEC B
VOLTAGE 1,1A SB
8R
Q33,34 Q33 REGULATOR E
2SA1745(6,7)
DC SWITCH 8C
8R
Q34 R34 IC31 R:12.8V
KIA7808AF
KRC102S R:7.9V
4.7k
R33 3 1 D31
8RC(CPU76) OUT IN DC SWITCH
47k COM Q32 REVERSE
CONNECTION
2SK1824
2 PROTECTION
KEC
C251
8C VOLTAGE REGULATOR
4.7u6.3 5C
IC32 IC33
NJM78L05UA NJM78L05UA
R:4.9V 4.9V
1 3 5M 1 3
OUT IN
5C OUT IN
COM COM
2 VOLTAGE 2
REGULATOR
5M
R62
1k IC35 IC34
7.9V PST9140NR PST9140NR
OVER VOLTAGE
DETECTION
1 5 5.6V 1 5
Q61 NC VCC NC VCC
R275
KRC404RTK 2 2
5C VEE1 VEE1
15k
D61 R61 3 4 3 4
VEE2 OUT VEE2 OUT
02DZ18(X,Y) 470
OVER VOLTAGE
KEC DETECTION
VOLTAGE VOLTAGE
DETECTOR
DETECTOR
INT RESET
SBC(CPU82)
B
INT(CPU18)
RESET(CPU10)
DISPLAY UNIT (X54-3430-20)
J1 SURGE ABSORPTION
R34
8 CM
7 HOOK
6 MIC 100
5 ME
4 PTT
3 GND
2 SB
1 MBL
CP1
R90-0724-05
CN1
1 GND
2 PTT
POWER
SWITCH
3 MIC
4 POWER
5 ME
6 HOOK
7 KMI2 R8 1k
CM
8
9 KMI1 37
R9 1k 24
COM2 SEG20
10 KMI3 R7 1k 38
23
COM3 SEG19
11 KMO1 R5 1k 39 22
VDD SEG18
12 KMI4 R6 1k 4.9V 40 21
VLCD SEG17
13 KMO2 R4 1k 41 20
VLCD1 SEG16
LCD CONTROLLER
14 SB 42 19
VLCD2 SEG15
IC2
15 5C 43 18
VSS LC75834W SEG14
16 CE 44 17
OSC SEG13
17 CL 45 16
INH SEG12
18 DI 46 15
CE SEG11
47
14
CH CH VOL VOL CL SEG10
DN UP DN UP 48
13
KMO1 DI SEG9
SCN MON
KMO2
DC SWITCH
L1
4.9V
R21 R22 R23
R40
10k 10k 10k
47k Q11
Q11 DIMMER FUNCTION SWITCH
4.7V
12.7V
LCD ILLUMINATION
RN47A4
D19 D20 D21
R36 56
13.5V
B30-2205-05 B30-2205-05 B30-2205-05
12.7V 8.9V
Q10 Q9 D23 D24 D25
KEY BACKLIT SWITCH R33 56 2SB1132(Q,R)
KEY BACKLIT 13.5V B30-2205-05 B30-2205-05 B30-2205-05
D4 D2
R10 D31 D30 D29
C23 1000p 12.0V
B30-2205-05 B30-2205-05 2.7k B30-2205-05 B30-2205-05 B30-2205-05
Q10
D5 D3
KRA225S
R11
D19-26,28-31
0.125V Q9
B30-2205-05 B30-2205-05 2.7k
D18 HSB123 LCD BACKLIT SWITCH KEY & LCD BACKLIT
D2-4
KEY & LCD BACKLIT Q6 DC CONTROLLER
KRC102S
4.9V
DC SWITCH
D22
B30-2205-05
D26
B30-2205-05
D28
B30-2205-05