Kenwood TK-3212L Service Manual page 40

TK-3212L
BLOCK DIAGRAM
X57-713
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
32
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)
D2,D4,D6,D7 HVC376B 5C
Q9 D101,D202
D10 1SV278F Q6 2SC5108(Y)F 2SC4619 HSC277
RF T/R
BUFF
TX
AMP AMP SW
VCO
Q5 RT1P430U
5C 5C 5R
DC
TX
SW
Q3 2SK508NV(K52)
D3,D5,D8,D9 HVC376B
RX
VCO
Q8 2SC4617(S)
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
Q100 Q101 Q102 Q103 D122,D104,D106 HSC277
2SC4619 2SK3077F 2SK2596-E 2SK3476-F D103 HVC131
TX TX
RF
RF
DRIVE FINAL
AMP
AMP
AMP AMP
5C 5T 5T 5T
B
Q104 RT1N141U Q109 IC101
Q105 2SK879(Y)F RT1P441U TA75W01FUF
DC DC CURRENT
SW SW DET
Q108 2SK1824-A
DCSW
DC DC
APCSW APCSW
SW SW
Q107 RT1N141U
PCTV
Q204 D203,D204 Q205 D205,D206
3SK318 HVC355B 3SK318 HVC355B
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 TCLK/DTRDO OPTDET
RESET PTT
VOX PF1
RXD PF2
BUSY EN1
BATT EN2
TH_DET RDF/FD
RSSI STD
QT/DQT_IN PLL_UL
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-3212L
TX/RX:450.00~490.00MHz(K,M)
TX/RX:470.00~512.00MHz(K2,M2)
ANT
ANT
LPF
SW
33