Schematic Diagram - Kenwood TKR-740 Service Manual

TKR-740

SCHEMATIC DIAGRAM

CONTROL UNIT (X53-4210-10)(A/4)
C181
R10
0 10u10
C186 RDY
4.8V
CHECK
0.01u
C213
IC48 1u
TC7S32FU-F
C210
IC46-48
0V 220u6.3
OR GATE
FLASH ROM 4.8V 100 76
IC7 WR
AT29C02090TU 1
4.5V D3
0V BLT R218 1k CHECK
BLT D4
CS1 EN7 R157 1k
EN7 D5
SW6 R226 1k
SW6 D6
SW5 R225 1k
SW5 D7
BYTE A0
CNVss A1
R161 47k
P87 A2
R262 47k
P86 A3
RD SRST
RST A4
CS0
Vout A5
4.7V 4.8V CPU
Vss A6
BCLK IC18
Xin A7
30622M4-103GPU
Vcc Vss
R159 47k
NMI IAD0
R214 1k
WR Vcc
R215 1k
RD IAD1
R216 47k
SUB IAD2
RDY IAD3
BUS BUFFER CS1 R266 47k
PBO IAD4
SW4 R250 1k
BUS BUFFER SW4 IAD5
SW3 R221 1k
SW3 IAD6
SW2 R222 1k
IC3 SW2 IAD7
NJM78L05UA-ZB 5.0V SW1 R223 1k
SW1 IAD8
C59 IN 5V oUT EST
RA AVR EST IAD9
5600p
GND 25
R188
IC4 EVT 47k 26 50
12.1V TA7805FQ 5.0V 4.9V
R28 PRT R224 1k
IN 5V oUT L6 10u
AVR BEAT R156 1k
22
(1/2W) GND R189
4.9V
IC6 4.7k
10.2V TA7805FQ 5.0V 4.7V
R29 R180 47k
IN 5V oUT L13 10u
AVR
22 L9 10u
(1/2W) GND
L12 10u
4.9V
12.3V IC5 8.0V
NJM78L08UA-ZB
R27 B IN oUT
8V 8V
AVR SURGE
CN1 22
(1/2W) GND PROTECTOR
RA 1 D1
DA204U
RXG 2
DET 3 DET
DEG 4
SC 5 SC
R162 C194
RSSI 6 RSSI
47k 10u10
CK 7 L2 CK
C203
DT 8 L3 DT
0.01u
ESR 9 ESR
EVR 10 EVR
BEAT
SCL 11 R33 1k SCL
SDA 12 R34 1k SDA
100 76
DP 13 L4 DP
CP 14 L5 CP R196 47k 1
PF3
EPR 15 EPR R197 0
IS
LDR 16 LDR R194 18k HSD0
P92 IAL
GND 17 L1 C187 0.01u R199 100 LSD0
IACK IRD
CVR 18 CVR EPR R200 470
EPR IWR
NC 19 VOLTAGE
DETECTOR BYTE A0
NC 20 C191
CNVss A1
B 21 1u GND PAG R202 1k
PAG A2
B 22 VDD oUT LDR R203 1k
RESET LDR A3
B 23 IC10 RST
4.8V RESET A4
NC 24 R3111H421C-F R204 0
0.5V Xout A5
NC 25 CPU
Vss A6
NC 26 BEAT IC17
SHIFT Xin A7
R193 C192 30622M4-103GPU
Q1 Vcc Vss
CN2 2SK1824-A 0 0.01u R158 47k
NMI A8
MOD 1 R191 MDAT R206 1k
MDAT Vcc
TO 2 TEST R205 1k
4.7k TEST A9
MIG 3 R207 47k
X1 MAIN A10
EVT 4 EVT L77-1956-05 CK R208 0
CK A11
EST 5 EST 14.745M DT R209 0
DT A12
DT 6 R36 1k DT MON R210 1k
MON A13
CK 7 R37 1k CK SC R211 1k
SC A14
NC 8 RPTT R217 1k
RPTT A15
NC 9 AUXI2 R212 1k
AUXI2 A16
SDA 10 R40 1k SDA R227 1k
CHECK CHECK A17
SCL 11 R41 1k SCL
25
LDT 12 LDT
PRT 13 PRT 26 50
CP 14 R42 1k CP C207
NC 15 R78 C87 AF AMP 220u6.3
DP 16 R43 1k DP 47k 1500p IC13 C212
NJM4558E-ZB
EXR 17 EXR
1 SP RRA 8 1u
CVT 18 CVT
V+
REV 19 R30 1k REV 4.4V
R220
FWD 20 R31 1k FWD
R219
GND 21 R32 100k VCE V- C256
4
PAG 22 PAG 5
0.01u
B 23
R48
B 24 IC35
4.4V
B 25 47k TC7S32FU-F
C68
PAB 26 1 INB 5
2 INA VCC 4.8V 1u25
3 GND 4
oUTY
MULTIPLEXER
R49 C147
18k 1u25
SD0
C202 470p
SD1
C229 0.01u
SD2
R344
0
C223 C224
27p 27p
75 SD3
C225 IAD3 1
SD4
15p IAD4 2
SD5 BEAT SHIFT
3 IAD3
SD6 Q5 GND
2SK1824-A IAD5 4 IAD4
SD7 IAD5
IAD6 5
SA0 IAD6
IAD7 6
SA1 R343 IAD7
IAD8 7
SA2 4.7k IAD8
C228 IAD9 8
SA3 R345 IAD9
IAD10 9
SA4 47k 470p IAD10
IAD11 10
SA5 C226 C227 IAD11
IAD12 11
SA6 IAD12
0.01u 0.01u 12 DSP
SA7 GND
C204 13 IC30
CLKIN
470p 14 AD2185BSTZ133
XTAL
C205 15
IAD0 VDD
R160 16
IAD1 0.01u CLKOUT
CP10 470 17
IAD2 100 GND
18
IAD3 IC24 VDD
TC74HC4040AF-F 19
IAD4 COUNTER WR
9 8 20
IAD5 Q1 GND RD
CP11 470 10 7 R288 21
IAD6 CLoCK Q2 BMS
11 6 22
IAD7 CLEAR Q3 47k DMS
12 5 23
Q9 Q4 PMS
13 4 24
Q8 Q7 IOMS
14 3 25
51 Q10 Q5 CMS
15 2
Q11 Q6
16 1
VCC Q12
IC25
TC7S04F-F
5 1
VDD NC
INY 2
4 3
VSS
oUTY
INVERTER
R352 100
R348 100
R346 100
R347 100
C172 R105 R174
R291 4.7k 10u10 22k 47k
C214 1u
IC34
NJM4558E-ZB
C211 220u6.3 28 15
5 4
2.8V V-
CODEC
AF AMP IC27
PCM3000E
IC22
AD/DA 2.8V V+
NJM4558E-ZB 8 MOD 1
C107 1 14
1 V+ 8
10u10
MI AF AMP
C206
10u10
DET
4 V- AGND
5
C106
C157
10u10
75 0.01u 2.8V C175
0.01u
DETO
DETI
A0 ANI
CP3 1k
A1
A2
A3
CP4 1k A4
A5
A6
A7
A8
A9
A10
CODE4 CODE3 CODE2 CODE1
A11
CP5 1k A12
CP6 1k A13
A14
A15 C126 0.01u C151
R72 R73 R74 C80
CP7 1k A16
MULTIPLEXER MULTIPLEXER MULTIPLEXER
A17 2.2k 2.2k 2.2k 10u10
IC14 IC29
A18 4.5V BU4053BCF BU4053BCF
51
1 16 16 1 1
Y1 VDD VDD Y1
C83 0.01u HSDO 2 15 15 2 2
4.5V Y0 Y Y Y0
LSDO 3 14 14 3 3
C76 AF AMP Z1 X X Z1
4 13 13 4 4
1u IC12 Z X1 X1 Z Z
NJM4558E-ZB 5 12 12 5 5
Z0 X0 X0 Z0
1 8 6 11 11 6 6
V+ INH A A INH
7 10 10 7 7
VEE B B VEE
8 9 9 8
47k VSS C C VSS 8
V-
47k 0V 4.9V
4 5
TO SELECT MIC SELECT
4V R101 C146
47k 1u25
W1
B B
PAB PAB
R349 47k
R350 47k
R351 47k
75
D15 74
D14
73
D13
72
D12
71
GND
70
D11
69
D10
68
D9
67
VDD
66
GND
65
D8
64 IWR
IWR
63 IRD
IRD
62 IAL
IAL
61 IS
IS
60
GND
59
VDD
58 IACK
IACK
57 IAD15
IAD15
56 IAD14
IAD14
55 IAD13
IAD13
54
BG
53
EBG
52 R152
BR BR
51
EBR 47k
C152 470p
C183 0.01u
4.5V
C108 0.01u R125
RSSI
IC40
4.5V NJM4558E-ZB 1k
1 RTA RRA 8
V+
R182
RSSI MUTE INVERTER
0V
47k Q12 Q10
V- DTC114EUA DTC144EUA
4 5
IC31
NJM4558E-ZB
AF AMP
5 4
V-
R103 R310
560 DC SW
56k DC SW
2.8V V+ Q16
8 RA 1 Q13
2.8V 2.8V DTC114EKA DTD123TK
AF AMP R311
AF AMP
IC36 560 DC SW DC SW
NJM4558E-ZB IO7
4 5 IO6 Q14 Q15
V- DTC114EKA
IO5 DTD123TK
IO4
C171 RXI IO3
V+
0.01u 1 RA RD 8 4.5V IO2
IO1
RXO MON
4.5V RPTT
D21 D18
DA204U DA204U
SURGE SURGE
PROTECTOR PROTECTOR
IC49
OR GATE
TC7S32FU-F
1 5
INB VCC
SC 2 INA
OPTION 3 GND oUTY 4
Q8
DTC144EUA DTC114EUA
INVERTER INVERTER
0.01u W1 IC33
M62364FP-F
24 1
C133 0.01u VIN8 VIN1
IC37 23 RTA RD 2 R140
BU4053BCF VoUT8 VoUT1
AF AMP 4.5V 22 3
16 VoUT7 VoUT2 0
Y1 VDD IC32 21 HSD 4
15 4.5V NJM4558E-ZB VIN7 VIN2
Y0 Y 20 5 SHIFT REGISTER
14 1 TA TD 8 GND VDD
Z1 X 19 6 IC39
13 V+ RESET LD BU4094BCFV
X1 18 7
12 VDAREF CLK 1
Z0 X0 17 8 STRB VDD
11 D0 VOL DI 2
INH A V- 16 9 C177 1u DATA
10 4 5 VIN6 VIN3 3
VEE B 15 TD RA 10 C144 1u CLK
VoUT6 VoUT3 4
VSS C 9 14 11 Q1
4.9V VoUT5 VoUT4 0V 5.0V 5
13 TA 12 Q2
VIN5 VIN4 6
Q3
7
Q4 Q'S
8
D/A CONVERTER VSS
D3-5,7
SURGE
PROTECTOR
D5 D7 D3
DA204U DA204U DA204U
B B
PAB PAB
CN3
26
MIG
25
MI
24 GND
CK
23 CK
DT
22 DT
MDAT
21
EN7 MDAT
20
SW6 EN7
19
SW5 SW6
18
SW5
17
SW4 TEST
16
TESTO TESTI SW3 SW4
15
TEST R116 SW3
14
B
0 13
B
SW2 12
SW2
SW1 11
PTTO PTTI SW1
EXR R1 100 10
EXR
PTT R115 9
PTT
0 HOK 8
HOK
7
8C
BLT 6
BLT
C1 0.01u 5
GND
4
VLI
C2 1u 3
VLO
2
SPG
1
SPI
IC45 MIG
AF MUTE LA4422-E
Q11
DTC363EU
MULTIPLEXER AF POWER AMP
IC1
TC7S66FUF
R9 0V 1.2V
47k 5.0V SPG
13.0V 7.1V
Q2 R2
0V 1.2V
DTC114EUA 10k ANI R5
11.5V 6.5V CN5
INVERTER 14 SPG
10k
R4 C3 C10 C11 SPO 13
SPG
GND
NAND GATE 10k 1u 47u25 470u16 12
IC38 C12 11 GND
TC7S00FU-F
10 SPI
470u16
5.0V 9 SPO
MUT
8 SPO
R302 1k 7 RSSI
0V PAB 6 RD
CVR
R303 1k 5 CVR
5.0V CVT R304 1k 4 CVT
R155 1k 3 EXR
FWD R305 1k 2 FWD
R306 1 B
10k
D27 D26 D31 D35 D39
DA204U DA204U DA204U DA204U DA204U
D13,26-28,31,35,39
SURGE D13 D28
PROTECTOR DA204U DA204U
CN6
12 I/07
11 I/06
R321 1k 10 I/05
R322 1k 9 I/04
R323 1k 8 I/03
R324 1k 7 I/02
R325 1k 6 I/01
RPTTO RPTTI 5 GND
R326 1k 4 ExMON
R114 0 R327 1k 3 RPTT
C101 10u10 R328 1k 2 RTA
C160 1u R329 100 1 RRA
D11,14,15,19,20,24, D24 D14 D19 D37
25,30,34,37,38 DA204U DA204U DA204U DA204U
SURGE
PROTECTOR
5C
D11 D15 D20 D25 D30 D34 D38
Q9 DA204U DA204U DA204U DA204U DA204U DA204U DA204U
D6,8-10,12,16
D6 D8 D9 D10 D12 D16
SURGE
16 PROTECTOR DA204U DA204U DA204U DA204U DA204U DA204U
15
OE
14
Q5
13
Q6
12 CN4
Q7 30 NC
11 29 NC
Q8
10 5.0V 28 NC
27 NC
9
QS 26 NC
R380 25 NC
RS232C TRANCEIVER 1k 24 NC
D17,22 R370 1k 23 RXD
IC42
ADM202EARWZ SURGE 22 ExMON
PROTECTOR R371 1k 21 TDX
RXD 9 R2oUT 8 RXD
20 ExPTT
TXD TTL R2IN TXD 19 AUXI1
232C
T2IN T2oUT 18 SC
V- 17 AUXI2
T1IN C321 D17 D22
C2- 16 NC
R1oUT 1u25 DA204U DA204U 15 AUXI3
C2+
C322 14 TXG
R1IN C1- 13 DG
T1oUT 1u25
GND V+ 12 AUXO1
5C 11 TD
VCC C1+
16 1 10 AUXO02
9 TA
8 AUXO3
7 RD
6 AUXO04
D4 5 RA
DA204U
4 AUXO5
3 RXG
2 AUXO6
1 SPM
R141 100
C155 1u R142 100
C149 100u6.3 C163 100u6.3 R143 1k
C150 1u25 R144 1k
B
PAB
Note : The components marked with a dot ( ● ) are parts of layer 1.
CONTROL UNIT (X53-4210-10)(B/4)
CN702
26
MIG
25
MI
24
GND D703 Q706-710
23 R706 POWER Q706
CK DTA114EUA DC SW
22 CURRENT
DT PROTECTOR SHIFT 220 B30-2198-05
21 IC703 REGISTER TX D704 IC704 AVR
MDAT BU2114F R707
20 0V 4.6V 5.0V NJM78L05UA-ZB 12.7V
EN7 C724 9 10 330 B30-2197-05
19 DSW6 GND3 08 0V oUT IN R712
SW6 100p 8 11 BUSY D705
18 DSW5 GND2 07 R708 GND 100
SW5 7 12 (1/2W)
17 GND1 06 220 B30-2198-05
TEST 6 13 2.2V
16 DSW4 RST 05 R709 4.8V Q707 Q709
SW4 5 14 INT REF 220 DTC144EUA DTC144EUA
15 DSW3 EN 04 IC705 AVR
SW3 4 15
14 SOUT 03 0V 4.9V 5.0V TA78L05FF 12.0V
B 3 16
13 LATCM 02 EX REF R710 R713
B 2 17 330 oUT IN
12 DSW2 CK 01 D702 CoM 33
SW2 1 18 B30-0864-05
11 DSW1 SIN VDD Q710 (1/2W)
SW1 DTC144EUA
10 Q708
EXR REFERENCE DTA114EUA
9
PTT
8 IC706 AVR
HOK 5.0V 10.2V
7 NJM78L05UA-ZB
8C
6 oUT IN R714
BLT
5 GND 100
GND (1/2W)
4
VLI D706,708,711,712
3
VLO SURGE
2
SPG D711 D708 D706 D712 PROTECTOR
1
SPI DA204U DA204U DA204U DA204U
R717 1k S706
S40-2441-15
C717 100p
C719 470p
C721 100p
C723 470p
D707
CN703 HSM88AS-E
SP 2 Q701 R723
C729 4.7V
INT 2SC4116(Y)F 1k
SP 0.1u
SPG LEVEL
1 CONTROLLER AF AMP
AF DETECT
IC23
AF DETECTOR NJM4558E-ZB
1 8
D709 AGC
HSM88AS-E V+
Q700 R724
C730
2SA1586(Y,GR)F 6.8k
0.1u
LEVEL V-
CONTROLLER
4 5
R734 C732
10k 0.1u
CN706
CONTROL UNIT CONTROL UNIT
(X53-4210-10)(C/4) (X53-4210-10)(D/4)
CN705 CN700 CN701
0.4V
5.0V
VR701 5.0V
R05-3442-05
R716
68k
VR700
10k C737 100p
S700 S701 S702 S703 S704 S705
C714 1000p C722 100p
C720 100p
C736 100p
C715 1000p
R733 6.8k
R719 680
J700
C718 100p C750 0.1u
9
8 IC700 SHIFT
(1) BU2114F
7 (2) REGISTER
6 10 9
(3) 08 GND3
5 (4) 11 8
4 07 GND2
(5) 12 7
3 (6) 06 GND1
2 13 6
(7) 05 RST
1 (8) 14 5
10 04 EN
15 4 0V
03 SOUT
16 3
02 LATCM
17 2
01 CK
18 1
VDD SIN
7SEGMENT
D700 CP700 SHIFT IC701
LA301DB(N) REGISTER
470 BU2114F
10 9
08 GND3
11 8
07 GND2
12 7
06 GND1
13 6
05 RST
14 5
04 EN
15 4
CP701 03 SOUT
16 3
470 02 LATCM
17 2
01 CK
18 1
VDD SIN
IC702
SHIFT BU2114F
REGISTER 10 9
08 GND3
11 8
7SEGMENT 07 GND2
12 7
D701 CP702 06 GND1
LA301DB(N) 470 13 6
05 RST
14 5
04 EN
15 4
03 SOUT
16 3
02 LATCM
17 2
01 CK
18 1
VDD SIN
CP703
470