Kenwood NXR-800 Service Manual Supplement page 125

P10/D8
P07/AN17/D7
P06/AN16/D6
P05/AN15/D5
P04/AN14/D4
MPU
IC34
3625MGP396GP
D0
A_RXD0
33SH
BUFFER
BUFFER
IC27 IC32
TC7SET126FU-F TC7SH126FU-F
1 5 1
G VCC G VCC
2 2
INA INA
3 4 3
GND oUTY GND oUTY
BUFFER BUFFER
IC28 IC33
TC7SH126FU-F TC7SH126FU-F
1 5 1
G VCC G VCC
2 2
INA INA
3 4 3
GND oUTY GND oUTY
P57/RDY/CLKoUT
ROM-IC
IC35
5
S24CS02AFJTBG
4 5
GND SDA
4
3 6
A2 SCL
2 7
A1 WP
1 8
A0 VCC
5
INVERTER
4 Q18
2SK1830F
BER_CLK
BER_DAT
SB
64 47k DSP_RS
P125
DSP_iNT
63
P126
62
P127
61
P50/WRL/WR
R254 R267
60
P51/WRH/BHE
47k 47k
59
P52/RD
R268
58
P53/BCLK
57 47k
P130
56
P131
55 PAG_SW_L
P132
54 TX_SR_oE
P133
53
P54/HLDA
52 R270
P55/HoLD
51 R269
CP24
P56/ALE
50
TX_SR_EN
49
P134 TX_VR_EN
48
SR_DATA_C
P135
47
P136
46 SR_CLK_C
P137
PTT_AM16C
45
44
43
CP26
R262
42
41 CP25 47k
40
RX_iF_BW2
39
RX_iF_BW1
A_TXD0
A_RXD0
BUFFER
IC36
TC7MET541AFK
R184
1 20
G1 VCC
C265
TX_SR_oE 47k 2 19
A1 G2
STB1_L 3 18
0.1u
A2 Y1
STB_L 4 17
A3 Y2
TX_SR_EN 5 16
A4 Y3
TX_VR_EN 6 15
A5 Y4
SR_DATA_C 7 14
A6 Y5
SR_CLK_C 8 13
A7 Y6
PAG_SW_L 9 12
A8 Y7
10 11
GND Y8
3.3V 5.0V
SURGE
PROTECTOR
BUFFER AMP BUFFER AMP
Q11
2SD2114K(W) 2SD2114K(W)
R502 R507
18k 18k
SURGE
PROTECTOR
RY
WR
RD
STB_L
RSSi
47k
47k
HRDY
EMoN
50MPU
D3
EMoN
E_PTT
Ai1
SC
Ai2
Ai3
io1
TD
io2
TA
io3
RD
io4
RA
io5
io6
SPM
SR_oE
STB1
STB
SR_EN R408
50MPU
VR_EN
0
SR_DATA
SR_CLK
PAG_SW
SPG
SPo
50MPU
SURGE SURGE
PROTECTOR PROTECTOR
BUFFER AMP
Q13 Q27
2SD2114K(W)
R508
18k
SURGE SURGE
PROTECTOR PROTECTOR
D7 D9 D11 D15
D4 D8 D10 D14
CN68 CN67 CN66 CN65
RSSi
SB
SURGE SURGE
PROTECTOR PROTECTOR
BUFFER AMP BUFFER AMP
Q28 Q29
2SD2114K(W) 2SD2114K(W)
R509 R510
18k 18k
SURGE
PROTECTOR
D
D16