Kenwood NX-210 Service Manual page 83

AJ
TX-RX UNIT (X57-7710-10) (A/2)
R203
S
1k
CN202
F201
2.5A
REVERSE
CURRENT
PREVENTION
CN201
1S B1
+B
2
EN3
3
EN4
4
GND R201
5
EN2 1k
6
7 EN1
8 VOL- R202
9V OL 2.2k
10 VOL+ R204
2.2k
C205
470p
C206
6800p
C207
470p
33A
3.30V
VOLTAGE
REGULATOR
(33M)
IC203
XC6204B332D
L203
1.50V
3.30V
VOLTAGE
REGULATOR
(33A)
IC201
XC6204B332D
33A
15M
5A
+B
SBC_ASIC
/PSW
/BINT
SB2
SCTAMI
33M
31BU
AK
SCHEMATIC DIAGRAM
S_DET
/SAVE
L204
R205 1k
ENC3
R206 1k
ENC4
R207 1k
ENC2
R208 1k
ENC1
L206
VOL
3.85V
L208
33M
SURGE
ABSORPTION
D202
1SS388F
R210
68k
DC/DC CONVERTER(15M)
IC202
XC9235A15CM1
3.78V
15M
L205
5 1
LX VIN
4.7u
2
VSS
4 3
VoUT CE/MoDE
3.85V
L207
33A
SURGE
ABSORPTION
D203
1SS388F
R211
68k
AL
VOLTAGE
REGULATOR
(50C)
IC204 50C
R:5.00V
TK11250CUCB
T:4.99V
1 6
NP VoUT
R:7.50V
2
T:7.08V
GND
R212 3 4
CoNT VIN
1k
R220
0
3.85V
L213
L212
15u
D204,206
DC/DC
CONVERTER
R213
10
5.00V
5A
VOLTAGE
REGULATOR
(5A)
IC205
XC6204B502PR
C234
1u
5A SW
SBC_ASIC
AM AN
NX-210
VOLTAGE
REGULATOR
(33C)
33C
IC207
R:3.85V R:3.29V
TK71733S
T:3.84V T:3.29V
1 5
VIN VoUT
2
GND
3 4
oN/oFF
NP/VREF
38M
DC/DC
CONVERTER
(38M)
IC206
LT1616ES6-PBF
7.50V
5A
X57-771 (A/2) 7/11
33C
50C
+B
SB1
L215
+B
SBC
+B
/PSW
/BINT
SB2
SCTAMI
33M
31BU
83