Kenwood TK-3200L Service Manual page 29

K
TK-3200L
TX-RX UNIT (X57-6900-XX) -12:K -13:K2 -14:K3
Q101
T:3.44V
2SK3077F
C107
R103
47k 6p
RF AMP
Q100
2SC4619(P,Q)
RF AMP
R453
22k
TH_DET
DCSW
B
5T
APCSW
OSCIN
SP1
RX LO1
SP2
5R
5C
MOD
Q317,318
AUDIO SW
Q317
2SK1824-A
R304
27k
Q318
C355
2SK1824-A
0.1u
DTMF SW
CALLING ALERT SW
RX_W/N
TX_W/N
DTRLOADN
STD
10
TCLK/DTRDO DTRLOADN
TCLK/DTRDO
11
TDATA/DTRCLK
TDATA/DTRCLK
12
DI/O
DI/O
R306 13 IC301
RDF/FD
RDF/FD
AQUA-L
1k
14
SCLK
SCLK
AUDIO PROCESSOR
15
DIR
DIR
16
XOUT
XIN
C313
C309
82p 120p
R310 R313
C311 390k
100k
AMP3O
1u
C310 R311
0.068u 12k
PCTV
TXD
MIC_MUTE
QT/DQT_IN
BUSY
RSSI
AF_CONT
SB
5M
PTT
OPTDET
X57-690 3/4
L
SCHEMATIC DIAGRAM
T:4.89V
L103
C112 L412
R112 R150
8.2n 8.2n
7p 0 0
T:4.9V
APC SW
Q104
RT1N141U
APC PROTECT
APC SW
Q105
2SK879(Y)F
R:7.63V
T:7.50V
R316 C320
120k 0.01u
R319
56k
C312
12p
C315 R322
1u 180k
R323
32 56k
AGND
R324
31 R329
RXIN
30
100k 82k
RXINO
29 R325
FILTERO
C328 100k
28
EXPOUT
27
390p
RXAFIN
26 C322
R321
RXAF
220k 0.015u
R326
C325 0
0.1u
C331
C326
R331
1000p 150k 0.1u
R330
3.3k
C316
R314
0.1u
10k
M
TX DRIVE AMP
R:7.63V
T:7.45V
Q102
C123 L107
2SK2596 R903
1.2n
0
33p
R:0.23V
T:2.86V
R126
2.2k
R135
150k (D)
C140
IC101
TA75W01FUF
100p
1
OUT1 VCC
R130 2
IN1- OUT-B
150k
3
(D) IN1+ IN2-
4
R131 VEE IN2+
150k
(D)
COMPARATOR
(APC)
R134
(D)
150k
Q107
RT1N141U
T:4.96V
APC SW
R:5.0V
T:0V
C210
R208
82k
W/N SW/TX 470p
FM IF
Q301
SYSTEM
RT1P141U
IC201
TA31136FNG
C205
1000p
C329
R210
3.3k
1u
W/N SW/RX
Q202
RT1P441U
LIMITER
W:0.015V
N:4.94V
RXAFO RXAFI
C330 R446
0
1u
MICO DETECTOR
MICI
D302
R445
RB706F-40
R318
C317
0
1.2k
0.1u
R388
N O
TX FINAL AMP
Q103
2SK3476-F
R151 R152
0 0
APC SW
Q109
RT1P441U
C146
8
7
1000p
6
APC SW
5
Q108
2SK1824-A
R141
100k
XF201
L71-0619-05
C231
R219
OUT IN
2 1
560
0.01u
CF201
L72-0973-05
C213
0.1u
R:4.74V
C219
R216
120k
33p
IF AMP
Q203
2SC4649(N,P)
R211
3.3k
ISOLATION
MIC AGC
D303
Q302
DAN222
2SC4919
R328
10k
C333
R332
15k
0.1u
R360
0
0
BUSY
RSSI
PCTV
5T
RX LO1
5R
PCTV
SP2
TXD
AF_CONT
SB
5M
PTT
OPTDET