Kenwood TKR-750 Service Manual page 95

TX-RX UNIT (X57-695X-XX) (B/2)
SB
8C
SURGE
PROTECTOR
D600
DA204U
CN600
E40-6102-05
SB 1 R605
BATT
SB C600 100k
GND 0.1u GND
NC
DAT
DAT
PSW
PSW
STB1
STB1
CLK
CLK
SOE
SOE
PTT/TXD1
TXD1 VOLTAGE
K1
KEY1 DETECTOR
HK/RXD1 IC601
RXD1
K2 RH5VL42C 5.00V
KEY2
K3 5.00V 2 VDD OUT 1
KEY3
GND
K4
KEY4 3
K5
KEY5
CNVSS
VLI
VLI
5C
MIG
RESET
MIC DC SW
Q600 XOUT
20
2SK1824
R602
XIN
CN602 4.7k
E40-6009-05 36
NC
DET
NC
GND
ASQ
ASQ
RSSI
RSSI
SC
SC C616
DP CP600 1k*2
DP
0.01u
CP
CP
EPR EEP ROM
R607 0
ENR IC600
EPT R608 0
ENT AT24C08A10SI18
LDR R609 0 1 8
LDR A0 VCC
LDT R634
R610 0 2 7
LDT BUP A1 WP
DT CP601 1k*2 Q601 47k
DAT 3 6
DTC114EUA A2 SCL
CK 4 5
CLK GND SDA
STB DC SW
STB
FWD R611 0 R633
FWD TMP
47k
LD2
LD2 SFT
BUP
SCL
DC SW
PSW R612 0 SDA
PSW Q602
TMP 2SK1824
SOE R613 0
SOE
GND
MB
MO
GND
GND
QS
NC
SB
SB
SB
SB AMPSW
NC AM
8C SOE
8C
1 SHIFT
REGISTER
IC602
BU4094BCFV
14
GND
NC STB
PTO PTT CLK
RXI
CLRC
R601
PTI
0
BC4
BC3
RXI
BC2
GND
BC1 MIC
DEI
AC
5C
RXO
DATA
TXI MB
MO
TXO
1 RXO
CN601
E40-5701-05 TXI
TXO
5.05V
SB SB
8C 8C
R814 47k
GND
R659 47k
R660 47k
R661 47k
100 76
CP613
1 75 1k*2
IO5 KEY4 KEY4
R817 100
IO4 IO4 3.20V KEY5 KEY5
5TONE LDT LDT
CP620 LDR
IO2 IO2 LDR CP614 1k*2
IO1 100*2 IO1 EMON EMON
R662 1k
R618 0
BYTE A0
CNVSS A0
CNVss A1 A1
CP603 100*2 A2
ENT ENT A2 A3
CP615
ENR ENR A3
RESET 10*4
RESET A4
XOUT R629 0 A4
Xout A5 A5
C638 A6
CPU
Vss A6 A7
XIN 0.1u IC604
Xin A7 CP616
30622M4A-487GP
10*4
Vcc Vss
R619 47k
NMI A8
R620 1k
BUP BUP Vcc
R621 1k
TMP TMP A9 A8
A9
INT0 A10 A10
R623 0 A11
CLK CLK A11
CP617
R624 0 10*4
DAT DAT A12
SFT SFT A13 A12
R625 1k A13
LD1 LD1 A14 A14
A15
R626 1k
IO3 IO3 A15
R837 3.3k C851 0.1u CP618
BEEP A16 10*4
R627 1k
LD2 LD2 A17
25 51 CP619
10*4
26 50 A16
A17
A18
SFT
SCL R663 47k
SDA R664 47k
R614 47k R665 47k
R630 47k R666 47k
R631 47k R667 47k
IC603,606
BUS TRANSCEIVER
C843 0.1u
IC603 IC606
TC74LVX4245FS TC74LVX4245FS
1 24 1 24
VCCA VCCB2 VCCA VCCB2 FLASH ROM
IC609
RD DIR VCCB1 DIR VCCB1 AT29C020-90TI
R836
A1 G A1 G
D0 HCS
47k
D1 A2 B1 DL0 A0 A2 B1 HCSL 16 1
D2 A3 B2 DL1 A3 A3 B2 HRW
D3 A4 B3 DL2 A2 A4 B3 HCNTL1
D4 A5 B4 DL3 A1 A5 B4 HCNTL0
A6 B5 A6 B5 Q612
D5 DL4 HBIL
DTC144EUA
D6 A7 B6 DL5 A7 B6 17 32
DC SW
D7 A8 B7 DL6 A8 B7
GND1 B8 GND1 B8
DL7
GND2 GND3 GND2 GND3
12 13 12 13
5TONE
RXI RXI
GND GND
MIC MIC
DEI DEI
5C 5C
DATA DATA
MB MB
MO MO
RXO RXO
TXI TXI
TXO TXO
BEEP
SB SB
8C 8C
L606
L607
C754 10u10
144 C749 470p
37 NC18
NC7 143
NC17 C750 0.01u
38
NC8 142
R691 39 CVDD7
HCNTL0 HCNTL0 141
0 40 A9
VSS6 140
A8
41
BCLK BCLKR0 139
42 A7
BCLKR1
138
43 A6
BFSR0 137
44 A5
LRCK BFSR1 136
45 A4
SDT0 BDR0
135
R692 0 46 HD6 DL6
HCNTL1 HCNTL1 134
47 A3
R813 47k
BDR1 133
48 A2
BCLK BCLKX0
A1 132 C759 470p
49
MCLK BCLKX1 131 C757 10u10
50 A0
C707 0.01u
VSS7 130
51 DVDD
HINT/TOUT1 129
HDS2
52
CVDD3 128 C747 0.01u
53 VSS16
C693 10u10 BFSX0 DSP
127
54 HDS1
LRCK BFSX1 IC618 126 C748 0.01u
55 NC16
C695 470p 320VC5402PGE
HRDY 125
56 CVDD6
DVDD3
124
C694 10u10 57 HD5 DL5
VSS8 123 C752 470p
58 D15
DL0 HD0 122 C753 10u10
59 D14
SDTI BDX0
121
C708 0.01u 60 D13
BDX1 120
61 HD4 DL4
C696 470p
IACK 119
R693 0 62 D12
HBIL HBIL 118
D11
R694 100 63
NMI 117
64 D10
R695 100 INT0
116
R696 10k 65 D9
INT1 115
66 D8
R697 100
INT2 114
R698 10k 67 D7
INT3
113
68 D6
CVDD4 112
69 DVDD5
DL1 HD1 111 C751 0.01u
C709 0.01u 70 VSS15
VSS9
110
R689 71 NC15
NC9 109
47k 72 A19 470p
C711 470p NC10 C755
DC SW
C710 10u10 C756 10u10
Q615
DTC144EUA C737
27p
C734 27p
C735 15p
X601
16.515M
Q604 C738
2SK1824 0.01u
DC SW
R734
47k
SFT
C712
0.01u C833 0.01u R831
C839 150k
R827 C832 R826 R832 R833 C842
22k 1u25
270p 8.2k
8.2k 0.01u 820k
5 4 16 9 R825
820k R822
XF
10k
Q603
DTC114EUA AF AMP
INVERTER
1 2 3 1 8 R830
INVERTER COUNTER C829 56k
R821
0.1u 10k
AF AMP
SCLK
R818 R823 R820 R828
1k 470k 27k
5TONE R819 10k 5TONE
RXI 10k RXI
GND GND
MIC MIC
DEI DEI
5C 5C
DATA DATA
MB MB
MO MO
RXO RXO
TXI TXI
TXO TXO
BEEP BEEP
SB SB
8C
AMPSW
AMPSW
IC624 IC627 5V AVR
1.82V XC62FP1802P 1.8V AVR 5.06V TA78L05F 8.00V
1 5
1.8C 3 2 1 3 AM INB VCC
VOUT VIN OUT IN
2
SPM INA
3 4
1 2 GND OUTX
IC625 IC628 IC621 INVERTER
3.3V AVR
3.32V XC62FP3302P 5.02V TA78L05F TC7S00FU
5V AVR
3.3D 3 2 1 3 NAND GATE
VOUT VIN OUT IN
Q605
R745
1 2 DTC114EUA
47k
IC626 3.3V AVR IC630
3.34V XC62FP3302P TA78L05F 4 3
5.04V 5V AVR CONT GND
3.3A 3 2 1 3 2
VOUT VIN OUT IN OUT/IN
5 1 R744
VCC IN/OUT
1 2 39k
IC622
IC624-628,630 TC7S66FU
R690 VOLTAGE REGULATOR
47k MULTIPLEXER
C647 100p
R673 220k
TH701
R844 CODEC
330k 10k -t IC614
DEI DEO AK4550VT
AF AMP
IC608
TA75S01F 1 16
C697 VCOM AOUTR RS232C
C643 10u10 TRANSCEIVER
DET R654 R668 3 4
IN(-) OUT AINR AOUTL IC620
0 18k 2 C698
10u10 AINL PWDA ADM202EARN
VEE
1 5 10u10
IN(+) VCC VSS PWAD 9 8 RXD2
RXD0 R2OUT R2IN
DXD2
VDD SCLK SCLK
TXD0 T2IN T2OUT
C648 0.01u DEMO MCLK MCLK C777
T1IN V-
C775
C685 0.01u DEM1 LRCK LRCK 1u25
C763 R1OUT C2-
1000p 1u25
IC610 SDTO SDTI SDTI R1IN C2+
AF AMP TA75S01F 8 9
C776
T1OUT C1-
R680 1 5 SDTO C761 C779
IN(+) VCC 1u25
22k GND V+
C662 2 0.1u 1u25
R678 VEE VCC C1+
10u10 100k 3 4
IN(-) OUT 16 1
C722
R713 R719 C729 RD1
C684 100p
R736 47k 10u10 27k 150k 10u10
R683 120k
R737 C739 R843 TH700
47k 180p C744
R717 47k -t
270k 10k
R718 47k C726 10u10
R714 C821
C736
C724 180p
1800p 22k 100p GND
1800p
R707
22k
AF AMP
IC617
NJM4558E
R722 R738 R709 R721
AF AMP AF AMP 22k 22k
330k 270k
RA1
C725 C740
C822
47p 100p 100p
R715 C723
10k 1u
R653 0
C679
10u10 R684 47k C690
R842 0 R685 100k 100p
R686 D/A CONVERTER
MULTIPLEXER C652 100p
R672 100k IC615
IC605 100k R676 82k M62364FP
BU4053BCF
13 12
1 16 VIN5 VIN4
Y1 VDD MO
VOUT5 VOUT4
Y0 Y
VOUT6 VOUT3
Z1 X
MB
VIN6 VIN3
Z X1 R812
DO DI DAT
Z0 X0 22k
VDAref CLK CLK
INH A TDS
RESET LD LD1
VEE B MIS
GND VDD
AF AMP
VSS C TAS
8 9 R674 82k VIN7 VIN2
TA RD
C649 33p C701 10u10
VOUT7 VOUT2
C642 C681
VOUT8 VOUT1
IC607
0.01u 68u6.3 R841 0 TD RA
AF AMP VIN8 VIN1
5TONE 24 1
RXI
C715 0.01u
GND
MIC TD1
DEI
5C 5C
DATA
DATA
MB
MO
RXO
TXI TAI
TXO GND
BEEP
SB
C783 470p 13.10V
13.10V
AMPSW
Q610
2SJ506(S)
DC SW
DC SW 1.20V
Q611 IC629 LA4422
DTC114EUA
AUDIO AMP
Q609
DTC114EUA
CURRENT
DC SW PROTECTOR
D627,628
REVERSE
CURRENT
PROTECTOR C814
R758 C787 C811 1000u25
47u25
10k 1u
C797
1000p
Q606
DTC363EU
AF MUTE SW
ANI
CN603
E40-5887-05
1 SB
C765 0.01u
CURRENT SB
CONTROL
9 8 GND
Q613
QS VSS DC SW
DTD123TK GND
Q'S Q4 Q607
DTC144EUA CURRENT 4
Q8 Q3 CONTROL
12 SPG
TDS Q7 Q2 Q614
DTD123TK SPG
RXD2 MIS Q6 Q1
DXD2 RD
TAS Q5 CLK
L608 RSSI
SOE OE DATA
DC SW
SPI
VDD STRB Q608
16 1
DTC144EUA AO1
IC623 AO2
BU4094BCFV
SPO
SHIFT REGISTER
SPO
STB
R793 1k L611 AO3
DAT
R789 1k L612 AO4
CLK
RD1 R785 L613 AO5
1k
1
RSSI CN604
D614,618,621,629 E40-5702-05
ACC
SURGE PROTECTOR
1
D614 D618 D621 D629 SP
GND DA204U DA204U DA204U DA204U SP
SPG
2
CN605
E40-5704-05
D606 D607 D609 D611 D615 D619 D622
DA204U DA204U DA204U DA204U DA204U DA204U DA204U
SPM
SC
EPTT
RA1 EMON
AI1
AI2
AI3
IO1
IO2
IO3
IO4
IO5
IO6
D608 D610 D612 D616 D620 D623
DA204U DA204U DA204U DA204U DA204U DA204U
D606-612,615,616,
619,620,622,623
30
SURGE PROTECTOR NC
NC
NC
NC
R764 1k NC
RXD2
EMON
R765 1k
TXD2
EPTT
AI1
SC
AI2
NC
AI3
TXG
DG
IO1
TD
IO2
TA
IO3
R749 0 RD
IO4
C774 R750 0
RA
IO5
1u RXG
IO6
SPM
TD1 C772 C827 R751 NC
NC
100u10 100u10 0 1
5C CN606
E40-5960-05
C773 C828 R752
DATA D-SUB
2.2u10 2.2u10 0
TAI
GND