Kenwood TM-D710A Service Manual page 93

LCD_VDD
LCD (B38-0926-05)
DISPLAY UNIT
X54-3620-00 (A/4)
CN1
C71 C67
C73 C72 1u 1u
1u 1u C70 C68
CONTRAST
LV8:11.8V 1u 1u
LV16:13.2V
C66 C69
LV1:11.0V
0.1u 1u
SDV2 V3 D8-23
OVER VOLTAGE PREVENTION
5V 5V
D8 D9 D10 D12 D11 D13 D14 D15 D16 D17 D20 D21 D22 D23
D18 D19
DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221 DA221
MHz
S1
W02-1978-05
MR VFO CAL
KEY F TON REV LOW PF1 PF2 POW PM TNC
5V
SW
ENC_1
Q2 EEPROM
ENC_2 EEPCS
DTA123JUA IC2
S5M_C EEPSI
AT25256A10TU27
C41 0.1u
R40 47k 1 8
C43 0.1u
CS VCC
R41 47k 2 7
So HoLD
PWR RS-232C DRIVER
3 6 R44 1k
ON:4.9V IC23 WP SCK CLOCK
OFF:1.1V ADM101EARMZ
4 5 R42 1k
GND SI DATA
10 1
VCC GND
9 2
GPS
C1+ C1-
R49 8 3
J3 2 TXD 100 SD V-
7 4 R46 1k
10 R48 ToUT TIN GPSTX
11
3 RXD 100 6 5 R47 1k
RIN RoUT GPSRX
1
GND
RS-232C DRIVER
IC7
ADM202EARUZ
COM 1 16 C54
C1+ VCC
2 15 0.1u
J2 9
8 V+ GND
3 14
5 RXD C1- T1oUT OP AMP
7 13
2 CTS 4 IC22
C2+ R1IN TC75S51F-F
4 GND 5 12
1 RTS R39 1k
C2- R1oUT RXD(PC) 3 4
3 TXD C49 6 11 R38 1k IN(-) oUT
6
10 V- T1IN TXD(PC) 2
0.1u 7 10 R37 1k VSS
T2oUT T2IN PCRTS 1 5
9 5V
8 R36 1k IN(+) VDD
R2IN R2oUT PCCTS
G
CT
RT
RX TX E
10V
9.9V
5V AVR
REVERSE
CURRENT IC6 IC5
9.0V
PREVENTION TA4805BF TC4S81F-F
X54-3620-00 (B/4) D1
1 2 5 1
IN oUT VDD INB
2
1SR154-400 GND
J1 INA
CN13 CN4 3 4 3
oUTX VSS
8 PRI 1 1 PRI
TXD
7 10V 2 2 10V
IC4
6 GND 3 3 GND TC4S81F-F
5 TXD 4 4 TXD 1 5 C17 IC4,5,21
INB VDD BUFFER
4 PKS 5 5 PKS 2 0.1u
INA
3 PKD 6 6 PKD R113 3 4
VSS oUTX RXD
2 RXD 7 7 RXD 1k
1 SQC 8 8 SQC IC21
TC4S81F-F
1 5 C18
SW
INB VDD
Q10 2 0.1u
DATA
DTC143EKA R:0V INA
3 4
T:4.9V VSS oUTX SQCIN
PKSOUT
LCD_VDD
MR
VFO
CAL
REV
TON
F
KEY
POW
PM
TNC
CP11
RK74HB1J473J
C34
0.1u
C33
1000p
PF2 76
PF1 77 KEY_3
78 KEY_11 KEY_4
LOW
KEY_9 KEY_10 LCD_CS0
79
LCD_D7 LCD_D7
80
LCD_D6 LCD_D6 TNCCTS
81
LCD_D5 LCD_D5
82
LCD_D4 LCD_D4
83
LCD_D3 LCD_D3
84
LCD_D2 LCD_D2
85
LCD_D1 LCD_D1
86
LCD_D0 LCD_D0
87 PANEL MPU
LCD_RES CONLED HOLD/EPM
88 IC1
STALED
89 30626FHPGKBXC
GPSLED
90
RTC_SDA RTC_SDA
91
VOL_B VOL_B
MR MR
VFO VFO 92
VOL_A VOL_A RXD(PC)
CAL CAL 93
REV REV
SQL_B SQL_B TXD(PC)
TON TON 94
F F
KEY KEY AVSS
95
POW POW SQL_A SQL_A
PM PM
TNC TNC L1 96
VREF
PF2 PF2 97
PF1 PF1
AVCC
LOW LOW 98 TXD(TNC)
PCRTS
PCCTS PCCTS RXD(TNC)
99 MBLED
PCRTS GREEN
100
CONLED
STALED
GPSLED
MBLED
5V 5V
R9
1k
X1
R10
NORMAL:5V
TEST RTC ON:1.1V 0 L77-1950-05
11.0592MHz
SW
Q9 RTC
R8
DTA123JUA IC25
RV5C386A 390k
6 5
INTRA VSS
CLK 7 4
CLKC INTRB VOLTAGE DETECT VOLTAGE DETECT
8 3
OSCOUT SDA IC24
9 2 BD4840FVE
OSCIN SCL
10 1 5 1 1
VDD 32KOUT VDD VoUT
2 2
X2 SUB
32768Hz
4 3 3
L77-1802-05 GND NC
32K
10V 10V
GR:9.7V
AM:2.4V
GR:2.4V
AM:9.7V
9.7V C65 1u
C63 1u
AM:0V Q5 Q7
GR BRIGHT CPH6122 CPH6122
LV8:2.49V SW SW
LV4:0.9V
OFF:0V
GR:0V SW
AM BRIGHT SW
Q4 Q6
LV8:2.5V DTC144EUA DTC144EUA
LV4:0.9V
OFF:0V
LCD_VDD LCD_VDD
5V 5V
CP12
RK74HB1J473J
C58
0.1u
IC8
BU2099FV
1 20
VSS VDD
2 19
NC OE
R50 1k 3 18
DTMF DATA SO
R51 1k 4 17
50 CP13 CLOCK CLK Q11
RK74HB1J473J
5 16
49 2099EN LCK Q10
48 6 15
Q0 Q9
7 14
47
TNCRTS PKTSW Q1 Q8
8 13
46 TNC_SEL Q2 Q7
9 12
45 TNC_CAR Q3 Q6
MALED
44 10 11
Q4 Q5
WR
43
BHE
SW
42 OUTPUT EXPANDER
RD
41 Q1
DTA123JUA
BCLK TNCRTS
40
HLDA TNCCTS
39 R28 10k
MALED PWR
38 ON:5V
ALE OFF:1.4V
37 R27 10k
RDY
36
C101
PKSIN PKSIN
35
S9600 S9600 0.1u
C5
34 R26 1k
RXD(PC)
33 R25 1k 10u16
TXD(PC)
32
FLS_SW
31
CLKFLS CP4 Q3 TNC
2SA1162-F(Y) ON:4.9V
30 R24 1k RK75HA1J103J
RxD RXD SW OFF:2V
29 1k C59
R23
TxD TXD
28 R22 1k 0.1u
RXD(TNC)
27 R21 1k
TXD(TNC)
SW
26 R20 100
GREEN IC19
SW
TC7W66FK-F
Q16
1 8 2SK1824-A
IN_oUT1
VCC
2 oUT_IN1 7
CoNT1 1200bps:0V
3 CoNT2 6
PKTSW 9600bps:4.9V
4 GND oUT_IN2 5 R163
IN_oUT2 100k
D/A CONVERTER
IC20
TDATA
M62364FP-F
1 24
VIN1 VIN8
2 23
VoUT1 VoUT8
3 22
VoUT2 VoUT7
4 21
VIN2 VIN7
5 20
R5
VDD GND
6 19
330k DA_EN LD RESET C61 0.1u
R160 1k 7 18
CLOCK CLK VDAREF
IC3 R161 1k 8 17 C4 10u16
DATA DI D0
BD4840FVE 9 16
5 VIN3 VIN6
10 15
VoUT VDD VoUT3 VoUT6 RDATA
SUB 11 14
VoUT4 VoUT5
4
NC GND 12 13
VIN4 VIN5
D30-32,36,38,42,43 D33-35,39,41,44,45 D46-48,52-54 D49-51,55-57 D58-60,64-66 D61-63,67-69 D70-72,76-78 D73-75,79-81 D82-84,88-90 D85-87,91-93
LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN)
X54-3620-00 (D/4)
D24-26
C93 470p
OVER VOLTAGE
B PREVENTION
D24
CN3 CN12 DA221
1 1 GND C97 470p
C94 470p
2 2 SW5V
D25 COMPARATOR
CP6 3 3 KEY13
DA221 IC18
4 4 VOL_B C95 470p TA75S393F-F
VOL_B C98 470p
5 5 SQL_B 5
SQL_B D26 VCC IN-
RK74HB1J102J DA221 VEE
4
C96 470p
oUT IN+
X54-3620-00 (C/4)
C151
D27-29 C87 470p
OVER VOLTAGE 0.1u
A PREVENTION
D27 C150
CN2 CN11 DA221
470p
1 1 GND C91 470p
C88 470p
2 2 SW5V
D28
CP5 3 3 KEY12
DA221
4 4 VOL_A C89 470p
VOL_A C92 470p
5 5 SQL_A
SQL_A D29
RK74HB1J102J DA221
C90 470p
TNC_5V_2
MCIN MCIN
TNCWR TNCWR
RX:1200bps R1200 R1200
RX:9600bps R9600 R9600
PLLLOCK PLLLOCK
MOUT MOUT
TNC_5V_1 TNC_5V_1
FLAG FLAG
SCLKT SCLKT
STX STX
SCLK SCLK
SRX SRX
TXX TXX
LOOP LOOP
C117 25 12 PLLCNT PLLCNT
WAY2 WAY2
26 VDD5 VDD2 11
0.1u CLKIN CLKIN
MCIN EN
27 10
NC4 FLAG
TX:1200bps
28 9
NC5 SCLKT
R150 29 8
T1200 TNC ASIC STX
2.7k 30 7
VSS5 VSS2
31 IC12 6
VSS6 TGT0210Q VSS1
32 5
NC6 SCLK
33 4
NC7 SRX
TX:9600bps 34 3
NC8 NC1
R154 R152 35 2
T9600 RESET RESET
22k 2.7k C118 36 VDD6 1
VDD1
1000p
C119
0.1u
SQ SQ
5V 5V
D94-96,100-102 D97-99,103-105 D106-108,112-114 D109-111,115-117 D118-120,124-126 D121-123,127-129 D130-132,136-138 D133-135,139-141
LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN)
TNC_5V
C142
FILTER
3.4V
Q15 1000p
2SC4617(R)
R144 R143 C145
COMPARATOR
1 R146
12k 12k 0.022u IC17 FILTER
2 10k TA75W393FU-F
1.6V
2.8V Q13
3 C147 1 8 2SC4617(R)
3.5V
oUTA VCC R130 R129
0.022u R137 2 7 R133
IN-A oUTB 39k 82k
2.9V
FILTER 10k 3 6 4.7k 1.1V
R141 R140 R139 IN+A IN-B
Q14 R138 4 5
2SA1774(R)
12k 12k 12k VEE IN+B
10k
C140 C138
0.1u 1000p
C134
1000p
OP AMP
FILTER
IC10
Q12 1.7V
TA75W01FUF
2SC4617(R)
R127 R126 R125 1 8
oUT1 VCC
10k 10k 10k 2 7
1.2V
IN1- oUT-B
C136 3 6
IN1+ IN2-
0.01u 4 5
VEE IN2+
1200bps
9600bps
SW
4.2V Q11
DTC144EUA
FLIP FLOP
IC16
TC7W74FU-F
L15
1 8
CK VCC
2 7
D PR
3 6
Q CLR
4 5
C102 GND Q
1000p 1 75
VCC MD2
2 74 R105 10k
TNCCTS MD1
3 HOSTCTS 73 R104 10k
SQ MD0
4 72
PKSIN PTT(PKSIN) NC
5 71
NC HWR WE VOLTAGE DETECTION
6 70
NC RD(OE) IC14
7 69 L14 BD4840FVE
CONLED CONLED NC
8 68 C104 R103 1 5
STALED STALED VCC VoUT VDD
9 67 0.1u 0 2
NC X1 SUB
X3
10 66 R102 3 4
FWE(RESOUT) X2 NC GND
11 65 0
15.9744MHz
VSS VSS
12 TNC MPU 64
GPSTX GPSTX SLEEP
13 IC11 63
TXD(TNC) HOSTTX RESET RESET
3048BTE25KBYB
14 62
GPSRX GPSRX STBY
15 61
HOSTRX
RXD(TNC) CLKOUT(NC) (CARRIER) IC15
16 60 TC7S00FU-F
NC MAILLED
17 59 1 5
GPSLED GPSLED MBODLED INB VCC
18 58 2
ABAUD1 WAIT INA
19 57 L18 3 4
ABAUD2 VSS GND oUTX
20 56
ABAUD3 A19 A19 C7
21 55
TNC_CAR CARRIER(D3(NC)) A18(NC) A18 10u16 INPUT NAND GATE
22 54 C124
VSS A17(NC) A17
23 53
0.1u
NC A16 A16
24 52
NC A15 A15 S-RAM
R101 25 51
B_SEL A14 A14 IC13
10k R1LP0408CSB5S
1 32
A18 A18 VCC A19
L13 2 31
A16 A16 A15 A15
3 30
A14 A14 A17 A17
4 29
A12 A12 WE WE
5 28
A7 A7 A13 A13
6 27
A6 A6 A8 A8
7 26
A5 A5 A9 A9
8 25
A4 A4 A11 A11
9 24
PWR A3 A3 oE
10 23
ON:4.8V A2 A2 A10 A10
OFF:2.8V
11 22
A1 A1 CS
12 21
A0 A0 I/o7 D7
13 20
D2 D2-4
D0 I/o0 I/o6 D6
14 19
1SS388F REVERSE D1 I/o1 I/o5 D5
CURRENT
15 18
D3 PREVENTION D2 I/o2 I/o4 D4
2.8V 16 17
VSS I/o3 D3
1SS388F
W09-0971-05