Kenwood TK-2312 Service Manual page 52

X57-788
LCD B30-2337-05
D818-D821,824
LCD BACK LIGHT
Q820
2SC4617(S)
DC DC
SW SW
Q821 2SB1694
D817 MA2S111-F
SB LCDBL
LCD DRIVER
LCDAT LCLD
LCCLK
IC821
NJU6434
FUSE(2.5A)
F801
BATT+ F53-0324-15
7.5V
FB
PROTECT
D803
GN1G
–
IC801 XC6209B502PR
AVR
Q802 SSM6L05FU-F
FUSE(1.0A)
F802
R31-0676-05
F53-0319-15
VR1
1 1
Q803 SSM6L05FU-F
2 2 SB
3 3
VOLIN
4 4
IC802 XC6209B502MR
VOLOUT
AVR
5 5
6 6
W02-3748-05 EN1
W1
7 7
IC803 XC6209B502PR
EN2
AVR
8 8
SB
XC61CN4502MR
IC805
INT
4KEY KEY4O
PROTECT
KEY INPUT KEY1I KEY2I
DETECTY4O
KEY3I KEY4I RKZ5.1B2KG
D829-832
1SS388F
AVR
KEY1O KEY2O
3KEY
KEY3O IC806 XC6209B332MR
B30-1790-05 SB B30-2315-05
D801 D805
LED
PTT
(Green)
PTT
Q801(1/2) Q801(2/2)
PF1
UPA672T-A
SIDE1
DC
SW
PF2
SIDE2
LEDGRE
LPF
PL_LE
PLL
PL_DAT
IC
33MS
PL_CLK
IC1 SWIN D4,D6,,D8,D9 1SV323F
PL_LD
CV
AK1541
CPZ
50C CP LPF
MOD2
33MS
TXAST
DC
AMP
ASSIST
X1 CVIN IC2(1/2)
L77-3050-05 16.8MHz BD7542FVM
IC2(2/2)
DC DC
33MS
AMP SW
RXAST
Q11 SSM3J05FU-F
Q12 2SK1830F
TC75S51FE(F)
50C
IC3 CVADJ
DC
AMP
50M
FADJ MOD1
DCSW 50T
5TC
BSHIFT CM_DTO
HSDDENC CM_CLK
LSDO CM_CNS
50R
DCSW
WID/NAR PL_STB
APCSW PL_DAT
5RC
DC_SW PL_CLK
TX/RX LCDBL
TXD 33MSC
50C
ASSIST 5VC
5CC MIC_MT 5TC
AF_MUT 5RC
5CC
50V
33M
5VC
MCU
IC804 XC6209B332MR
IC820
AVR 33M F363BEDFEKDLB
Q804 SSM3J05FU-F
INT
XIN
DCSW 33MS 19.200MHz
33MSC
HSDDEC EP_ EP_
RESET RESET
D806 CLK DTO
IC808
IC807
XC6120N302N1 NJM2904RB1-ZB
HSD
33M
EEPROM
AMP
33B
HPF
DISCFB
D804 B30-2314-05
LED
LED
(Red) (Blue)
Q805
2SK1830F
DC DC
SW SW
LEDRED LEDBLU
Q2
2SC5636
RF BUFFER
50C
AMP
VHF:
185.95MHz~223.95MHz (RX)
136MHz~174MHz (TX)
Q5
MCH3914(7)-H
Q8 Q9
D16 HVC350B
2SC5636 2SC5636
TX RF BUFFER
RF AMP
VCO AMP
42C
D14
50C
HVC375B-E
Q4
MCH3914(7)-H Q6 SSM6L05FU-F
D10,D12 1SV325F Q7 SSM3J05FU-F
RX T/R
TX
VCO SW
D15 HVC375B-E
42C
RIPPLE
FILTER
Q3 KTC4075E(Y,GR)
D13 HSC119 KTC4080E-P
IC402
NJU7108
(NAR)
BUFF
LEDRED
WID/NAR SW
LEDGRE
D401
LEDBLU
KDS121E-P
LC_INH
(WID)
LC_DAT
LC_CLK
LC_MOD
LC_CE
KEY1O
KEY2O
KEY3O
KEY4O
EN2 CM_IRQ KEY1I
EN1 CM_DTI KEY2I
PTT TH_DET KEY3I
PF1 OPTDET KEY4I
PF2 QT/DQT CVIN MOD2
RXD MAN_DN BUSY
VOX RESET RSSI
QT/DQT
INTO PL_UL BATT
VOLIN
Q806 2SC4919-S
BSHIFT
XOUT
SW
EP_
DTI 19.200MHz
X802
L78-1434-05
EP_CS
EP_WP
IC810
MIC_MT
EX25512ATA00A
33M
50T
D17,D18 Q201 Q203 Q204
HSC277 2SC5636 2SC5455-A RD01MUS1-T113
TX/RX
RF AMP PRE DRIVE DRIVE AMP
RF SW
50R 50T 50T
PROTECT
D301
UDZW5.1(B)
1st Local
VHF: 185.95MHz~223.95MHz
50R
Q403
2nd Local
LPF
50.4MHz
IC401
TRIPLER
NJM2591V
RSSI
Q405 XF401
IF-FILTER ASQL KTC4080E-P L71-0655-05
D402 IF IC IF AMP MCF
CF401
SW
L72-1045-05
KDS121E-P
1st IF
50R
49.95MHz
CD401
L79-1866-05
2nd IF 450kHz CD 50C
DETAF
IF-FILTER
50C
CF402
Q404 RT1P441U-T111
L72-1010-05
SW
Q401 RT1N441U-T111
WID/NAR
CVADJ
CM_CNS
FREQ
CM_CLK
CM_IRQ
CM_DTO
CM_DTI
LSDO
DISCFB
TXTONE BPF1
MOD1
PC
BASEBAND
BPF1
IC815
IC DC
TA7368FG
PC/BPF2 AMP
IC812 IC811 AF
VOLOUT
AMP
CD686AQ3 HA1630D03MM
MIC
XIN
Q818
2SK3577-A
MICFB
33MS 33B
2SB1694
MIC AGC
D807,D808 KDR731
Q809 KTC4075E(Y,GR)
Q810 2SC4116(GR)F
Q811 2SA1586(Y,GR)F 33M
IC817 TC75S51FE(F)
D809 KDR731
VOX
D810 MC2850
VOX
VHF:
136MHz~
174MHz
Q205 D201,D202 HVC131
RD07MUS2BT112 D203,D204 RN142S
ANT
FINAL AMP ANT SW LPF
50T
Q306
RT1P441U-T111
DC
DC SW
SW
Q301
RT1N140U-T111
Q305
DCSW
2SK1824-A
APC DC SW
IC301
NJM2904RB1-ZB
PC
+B
DC SW
Q303
Q304
2SK1830F
RT1N141U-T111
DC SW
50T
APCSW
D404,D405 Q407 D407,D408
1SV323F 3SK294-FP 1SV323F
MIXER BPF RF AMP BPF
Q406
3SK318
50R 50R
BPF1
Q816
UPA672T-A
TXD
LEVEL
CONVERTER
50M
Q815
UPA672T-A
LEVEL
PTT/RXD
CONVERTER
33M
EMPTT
Q822
DC
RT1N141U-T111
SW
EXTMICSW
Q819
2SK3577-A
J802
MUTE MUTE
E11-0703-05
SW SW
AE
TXD
SPI
Q817
SPO
RT1N441U-T111
DC
Q814
SW PTT/RXD
MICIN
DC MICOUT
SW
OPTDET OPTDED
50V 50V
DC
SW
SB
Q813
RT1N141U-T111
AF-MUT
INT-MIC
T91-0672-05
MIC
INT-SP