Kenwood TM-D710A Service Manual page 68

K
TM-D710A/D710E
DISPLAY UNIT (X54-3620-00) (A/4)
LCD_VDD
5V
1
VSS
2
NC
R50 1k 3
DTMF DATA
R51 1k 4
CLOCK CLK
5
2099EN LCK
6
Q0
7
PKTSW Q1
8
TNC_SEL Q2
9
TNC_CAR Q3
10
Q4
SW
OUTPUT EXPANDER
Q1
DTA123JUA
PWR
ON:5V
OFF:1.4V
C59
0.1u
SW
IC19
TC7W66FK-F
1 IN_oUT1
2 oUT_IN1
CoNT1
3 CoNT2
PKTSW
oUT_IN2
4
GND
IN_oUT2
D/A CONVERTER
IC20
TDATA
M62364FP-F
1
VIN1
2
VoUT1 VoUT8
3
VoUT2 VoUT7
4
VIN2
5
VDD
6
DA_EN LD RESET
R160 1k 7
CLOCK CLK VDAREF
R161 1k 8
DATA DI
9
VIN3
10
VoUT3 VoUT6
11
VoUT4 VoUT5
12
VIN4
D58-60,64-66 D61-63,67-69 D70-72,76-78
LED(AMBER) LED(GREEN) LED(AMBER)
68
X54-362 (A/4) 3/4, X54-362 (C,D/4) 1/1
L
SCHEMATIC DIAGRAM
C58
0.1u
IC8
BU2099FV
20
VDD
19
OE
18
SO
17
Q11
16
Q10
15
Q9
14
Q8
13
Q7
12
Q6
11
Q5
C101
0.1u
C5
10u16
Q3 TNC
2SA1162-F(Y)
ON:4.9V
OFF:2V
SW
SW
Q16
8 2SK1824-A
VCC
7
1200bps:0V
6
9600bps:4.9V
5 R163
100k
24
VIN8
23
22
21
VIN7
20
GND
19
C61 0.1u
18
17 C4 10u16
D0
16
VIN6
15
RDATA
14
13
VIN5
D73-75,79-81 D82-84,88-90 D85-87,91-93 D94-96,100-102
LED(GREEN) LED(AMBER) LED(GREEN) LED(AMBER)
M
X54-3620-00 (D/4)
B
CN3 CN12
1 1 GND
2 2 SW5V
CP6 3 3 KEY13
4 4 VOL_B
VOL_B
5 5 SQL_B
SQL_B
RK74HB1J102J
X54-3620-00 (C/4)
A
CN2 CN11
1 1 GND
2 2 SW5V
CP5 3 3 KEY12
4 4 VOL_A
VOL_A
5 5 SQL_A
SQL_A
RK74HB1J102J
C117
25
VDD5
26
0.1u
MCIN
27
NC4
TX:1200bps
28
NC5
R150 29
T1200
2.7k 30
VSS5
31
VSS6
32
NC6
33
NC7
TX:9600bps
34
NC8
R154 R152 35
T9600
22k 2.7k C118 36
VDD6
1000p
C119
0.1u
D97-99,103-105 D106-108,112-114 D109-111,115-117
LED(GREEN) LED(AMBER) LED(GREEN)
N O
D24-26
C93 470p
OVER VOLTAGE
PREVENTION
D24
DA221
C97 470p
C94 470p
D25
DA221
C95 470p
C98 470p
D26
DA221
C96 470p
D27-29
C87 470p
OVER VOLTAGE
PREVENTION
D27
DA221
C91 470p
C88 470p
D28
DA221
C89 470p
C92 470p
D29
DA221
C90 470p
RX:1200bps
RX:9600bps
12
VDD2
11
EN
10
FLAG
9
SCLKT
8
STX
TNC ASIC
7
VSS2
IC12 6
TGT0210Q VSS1
5
SCLK
4
SRX
3
NC1
2
RESET
1
VDD1
D118-120,124-126 D121-123,127-129 D130-132,136-138 D133-135,139-141
LED(AMBER) LED(GREEN) LED(AMBER) LED(GREEN)
TNC_5V_2
MCIN
TNCWR
R1200
R9600
PLLLOCK
MOUT
TNC_5V_1
FLAG
SCLKT
STX
SCLK
SRX
TXX
LOOP
PLLCNT
WAY2
CLKIN
SQ
5V