Kenwood TK-2212L Service Manual page 38

TK-2212L
BLOCK DIAGRAM
X57-712
IC404 BD4845FVE
INT
D401 IC401
RB521S-30 XC6204B502MR
PROTECT AVR
SB
IC402
XC6204B502MR
AVR
ENCODER
EN1
EN2
+
BATT
-
PROTECT
D402 1SR154-400
PWR SW
/ VOL
SB
Q306, Q316 IC302
2SK3577-A TA7368FG
MUTE AF
SP
SW AMP
Q305 RT1N441U Q304 2SA1362-F(GR)
DC DC
SW SW
SB SB
DC
AFCONT
SW
Q303 RT1N441U
MIC
30
IC403 BD4840FVE
IC1 MB15A02PFV2E1
INT RESET RESET PLL_DAT
PLL_CLK
PLL_STB
PLL
5M
Q405 RT1P237U-T111 Loop
Filter
DC
5C
SW
5C
12.8MHz
5C_C
X1
L77-1931-05
Q403 CPH3317
LPF LPF
QTTCXO
DC
5T
SW
5C QTVCO
5T_C
Q404 RT1P237U-T111
DC
5R
SW
5R_C
Q901
2SK1824-A
Q202 RT1P441U
WIDE/
RX_W/N NARROW
RX_W/N
SW
IC301 AQUA-L
BATT
BATT
DET
MOD
AUDIO
PROCESSOR
5M
DI/O
DTRLOADN STD
TDATA/DTRCLK RDF/FD
SCLK TCLK/DTRDO
DIR
ALT
DTMF
AQUAXIN
TXAFI
RXAF0
XIN
AGC
Q302 2SC4919
D303 DAN222
D302 RB706F-40
DET
VOX
D301 RB706F-40
Q2 2SC5108(Y)F
RF
AMP
Q4 2SK508NV(K52)
D4,D7 1SV325F 5C
IC2 Q9
D10 1SV278F Q6 2SC5108(Y)F UPB1509GV 2SC5108(Y)F
RF
BUFF
TX
DIVIDER
AMP
AMP
VCO
Q5 RT1P430U
5C 5C
DC
TX
SW
Q3 2SK508NV(K52)
D5,D9 1SV325F
RX
VCO
Q8 2SC5383-T111
Q7 RT1P430U D11 MA2S111-F
DC RIPPLE
RX 5C
FILTER
SW
IC201 Q203 XF201
Q1 KTC4082
TA31136FNG 2SC4649(N,P) L71-0619-05
38.4MHz
IF
TRIPLER MCF
AMP
38.85MHz
5R
5R
CD201 L79-1582-05 CF201 L72-0958-05
FM IF
SW CF
SYSTEM
450kHz
450kHz
5C 5C
D403 B30-2156-05
RSSI
BUSY
5C
Q401 RT1N141U
IC406 AT24128N10SU27
IC405 30620MCP***GU
EEPDAT
EEPROM
EEPCLK
Q407, Q408 2SK1830F
BSHIFT
SW MICROPROCESSOR
XOUT
XIN
X3 L77-1633-05 DI CE CL DO
7.37MHz
5M
DI/O
LCD ASSY
B38-0906-25
BLOCK DIAGRAM
D101,D202 Q102 Q103 Q106 D103,D104 HVC131
HSC277 2SC4926YD 2SK2596-E 2SK2595-E D105,D106 HSC277
TX TX
T/R
RF
DRIVE FINAL
SW
AMP
AMP AMP
5T 5R 5C 5T
Q104 RT1N141U Q109 IC101
Q105 2SK879(Y)F RT1P441U TA75W01FUF
DC DC CURRENT
SW SW DET
Q108 2SK1824-A
DCSW
DC DC
APCSW
SW SW
Q107 RT1N141U
PCTV
Q204 D203,D204 Q205 D205,D206
3SK318 1SV305F 3SK318 1SV305F
1st RF
BPF BPF
MIXER AMP
5R PCTV 5R PCTV
SB SB
D404 B30-2157-05
LED LED
(RED) (GREEN)
PTT
PTT
Q402 RT1N141U
PF1
SW1
DC DC
SW SW
PF2
SW2
LEDTX LEDRX
INT EN1 PF2
RESET EN2
VOX RDF/FD
RXD STD
BUSY PLL_UL
BATT OPTDET
TH_DET TCLK/DTRDO
RSSI PTT
QT/DQT_IN PF1
5T_C APCSW RX_W/N PCTV
5C_C DCSW TX_SW
5R_C QTVCO RX_SW
DTRLOADN QTTCXO PLL_DAT
TDATA/DTRCLK MIC MUTE PLL_CLK
SCLK DTMF PLL_STB
DIR TXD LEDTX
AF_CONT TX_W/N LEDRX
TK-2212L
TX/RX:136.00~174.00MHz
ANT
ANT
LPF
SW
5T
B
APCSW
31