Kenwood NXR-700 Service Manual page 129

P10/D8
P07/AN17/D7
P06/AN16/D6
P05/AN15/D5
P04/AN14/D4
MPU
IC34
3625MGP396GP
0
A_RXD0
33SH
BUFFER
BUFFER
IC27 IC32
TC7SET126FU-F TC7SH126FU-F
1 5 1 5
G VCC G VCC
2 2
INA INA
3 4 3 4
GND oUTY GND oUTY
BUFFER BUFFER
IC28 IC33
TC7SH126FU-F TC7SH126FU-F
1 5 1 5
G VCC G VCC
2 2
INA INA
3 4 3 4
GND oUTY GND oUTY
64
P125
63
P126
62
P127
61
P50/WRL/WR
60
P51/WRH/BHE
59
P52/RD
58
P53/BCLK
57
P130
56
P131
55
P132
54
P133
53
P54/HLDA
52
P55/HoLD
51
P56/ALE
50
P57/RDY/CLKoUT
49
P134
48
P135
47
P136
46
P137
45
44
43
42
41
40
39
ROM-IC
IC35
TX_SR_oE
S24CS02AFJTBG
STB1_L
4 5
GND SDA
STB_L
3 6
A2 SCL
TX_SR_EN
2 7
A1 WP
TX_VR_EN
1 8
A0 VCC
SR_DATA_C
SR_CLK_C
PAG_SW_L
INVERTER
Q18
2SK1830F
BER_CLK
BER_DAT
BUFFER AMP
R502
SB
18k
47k DSP_RS
DSP_iNT
RY
WR
R254 R267
47k 47k RD
R268
47k STB_L
PAG_SW_L
TX_SR_oE
R270 47k
R269 47k
CP24
HRDY
TX_SR_EN
TX_VR_EN
SR_DATA_C
SR_CLK_C
PTT_AM16C
CP26
R262
CP25 47k
RX_iF_BW2
RX_iF_BW1
A_TXD0
A_RXD0
BUFFER
IC36
TC7MET541AFK
R184
1 20
G1 VCC
C265
47k 2 19
A1 G2
3 18 SR_oE
0.1u
A2 Y1
4 17 STB1
A3 Y2
5 16 STB
A4 Y3
6 15 SR_EN
A5 Y4
7 14 VR_EN
A6 Y5
8 13 SR_DATA
A7 Y6
9 12 SR_CLK
A8 Y7
10 11 PAG_SW
GND Y8
3.3V 5.0V
50MPU
SURGE SURGE
PROTECTOR PROTECTOR
BUFFER AMP
Q11
Q13
2SD2114K(W) 2SD2114K(W)
R507
18k
SURGE SURGE
PROTECTOR PROTECTOR
RSSi
EMoN
50MPU
D3 D7 D9
D4 D8
EMoN
E_PTT
Ai1
SC
Ai2
Ai3
io1
TD
io2
TA
io3
RD
io4
RA
io5
io6
SPM
R408
50MPU
0
SPG
SPo
SURGE SURGE
PROTECTOR PROTECTOR
BUFFER AMP BUFFER AMP
Q27 Q28
2SD2114K(W) 2SD2114K(W)
R508 R509
18k 18k
SURGE
PROTECTOR
D11 D15 D1
D10 D14 D16
CN68 CN67 CN66 CN65
RSSi
SB
SURGE
PROTECTOR
BUFFER AMP
Q29
2SD2114K(W)
R510
18k
SURGE S
PROTECTOR P