Kenwood TH-D72A Service Manual page 96

TX-RX UNIT (X57-784) (A/3): CONTROL SECTION
D710~D715, D718~D723
LAMP B
GPS Module
GP_ON
TXD_IGPS
RXD_IGPS
GP_PS
33GPS
Q704
IC708,IC709
2SJ
232B_S
347F
LEVEL TXD_EGPS.RXD_EGPS
CONVERTER
EXT COM B 33M
TC7W53FK(F)x2
IC702
IC713 IC726
ADM
RXD_COM
3101E
TXD_COM R3119N
XC6109
SKY_SW 042AFE C28ANN
INT/RST RESET
/LCD_RST
/LCD_CS
LCD MODULE
/LCD_WR
LCDCNT
A[0]
BSFT1
D[0]
ATT IC737
XOUT
D[7]
MAIN MCU
IC736
Vbus-DET 5F3651TDFC
NJM2874
XIN
F4-33
Vbus-USB
USB SCLK0
Vbus
USB
TXD_USB
D–
DRIVER
RXD_USB
D+
CP2102 CTS_USB
PKTBND MICM
SX0567 RTS_USB
ID DAC_RST VTX1
RST_USB
IC710 DAC_EN 33TNC_S
/SUSPEND
CNT_CLK LAMP
D704
AFM 232B_S
KEY
KEY_I0
SPM VGPS
MATRIX KEY_I1
BEEP SAVE2
KEY_I2
DTMF AFB_S
KEY_I3
RLEDA C_S
KEY_IT
KEY_00 TLEDA TAB_S
PTT RLEDB Vbus_DET TXD_S
KEY_01
LAMP KEY_02 TLEDB RXD_S
MONI KEY_03
KEY_04
PTT
To Sub MCU
TXD1
TX-RX UNIT
IC730
RXD1 33M
(X57-784)(B/3)
EEPROM
IC717
: PTT SECTION
M95512
E2PSI
-RDW6TP
E2PSO R2023T INTRTC
E2PCS RTC_SDA
IC731 E2PCL RTC_SCL
X701
32K-SW
M95M01
E2PCS2
-RMN6TP
L77-1802-05
32.768kHz
IC714
MIC AGC D725,D726
TC75W51
RB706F
FK(F)(1/2) -40
Q712 Q713
2SC 2SC
4738 1832 Q714
TONE
IC712
(GR)F (GR)F MIC MUTE
MIC AMP
2SK
NJM2107
1830F
F-ZB
DTMF
IC714 D716
MICM
VOX AMP VOX DET
TC75W51
RB706F
VOX IN
FK(F)(1/2) -40
MIC JACK
DTMF BEEP
Q703 Q711
/1750 /WX
IC734
AF MUTE AF MUTE
AF AMP
SP JACK
CPH NJM2070 2SK
3417 M-ZB 1830F
AFM
2SK
Q702
1830F
MIC SPM
SP
ENC1
ENC2
33C
Q701
IC718 AVR
SSM
TA48S
D717 D709 B 3J05
033AF
FU-F
VGPS
C_S
Q725
IC715 AVR
UPA UPA
TK112 SSM
Q710 Q708 B33M 33M
672 672
3J05
33CU
T-A T-A
FU-F
RLEDA TLEDA RLEDB TLEDB IC719 AVR
33TNC_S
NJM28
B 47C
Q720
72AF47
IC703 IC701 SSM
3J05
LM2682 NJM2130
C_S FU-F
47C
MMX F3-ZB
IC705 AVR TAB_S
NJM
LCDCNT
B AFB
Q719
2387A
SSM
6L05
AFB_S FU-F
Q721
VTX
WXCTIN_A 12A
Q723 LAMP B
WXCTIN_B B
02CH Q707
SQA
RT1N
SSM
SMA
441U
6L05
-T111 SQB 2SC
FU-F
SMB LAMP 4617 Q722
LDA (R)
MICB_S
11.0592 LDB
MHz
CHG_TH2
DC_DET
REM
VOX IN
1/2
Q726 Q727
IC725
ENC1
TC7W74
2SC 2SA
ENC2
TA75S
FK
4617 1774
393F-F
(R) (R)
SCLK
33TNC
To Sub MCU
MCIN
IC727
BSFT2 PKS_IN 33TNC
IC728
TNC_WR S9600
TNC MCU
TNC_RST GPSLED TNC ASIC
RTS_TNC CON
5F364
1/2 CLK
RXD_TNC SQ TGT0210Q
AMDFB
CTS_TNC STA CLKOUT CLKIN
TC7W74
TXD_TNC TNC_CAR
FK
15.9744MHz IC724
1200
LPF
RT1N
1200DATA
Q724 441U
-T111
9600
BSFT2
LPF
9600DATA
IC735
PKD96 MUTE
IC733 IC732
TC7S TC75W51FK(F) TA75W393FU-F
66FUF
MICM
COMPARATOR
AF AMP Q728
Q716
2SC46
1200 1200
17(R)
2SK 1200 PKD96M
1830F
Q729
AF AMP COMPARATOR
2SC46
9600
9600
17(R)
SPL
IDC
FILTER
TC&REF_B
TC75W51FK(F)
MOD
IC716 33C
REF_B
DAC_RST IC721
REF_A
DAC_EN
E-Vol
MOD
CNT_CLK
AK2330
APC&BPFA
CNT_DT
BPFB
47C
Q717
Q715,Q718
DE-
HPF,AMP EMPHASIS
2SC 2SC
4617 4617
(R) (R)
IC720
TC7W53FK(F) TONE
SSM
AMP B
33C 6L05 Q709
FU-F
TONE
SAVE2 PKTBND
AMP A
PKD AMP
IC722
NJM2112V-ZB
TX-RX UNIT (X57-784) (C/3): TX-RX SECTION
66V
33CB
33C
IC514
Q512
XC6201P
2SC
532DR Ripple
4617
33GP
Filter
(R)
D523
Q661
SSM
1SV
MOD 6L05
278F
FU-F
33TNC IC513 PLL
MB15E
PS_B
03SL-E1
LE_B
D520,D522
LPF
TR_DATA
MCH
TR_CLK CV
1SV
3914
325F
(7)-H
X511
TAB D514,D515
TCXO D519,D521
MA2S077G
16.8MHz LPF
MCH
1SV
L77-30 3914
325F
57-05 (7)-H
D524
33CB TC&REF_B
TX AF
1SV
HSC
MOD
278F 277
2SC
2SJ
VHF_B 5488
347F
A-H
Q521
LPF
Fin AMP
Q660
D516,D517
VOX_B SQA SMA
SW
33CB
HSC277
Q208 RN
45C 4902 144T
-F
144TX_S
MOUT
Q209 SSM
6L05 430T
FU-F
430TX_S
Q210 SSM
45TX
33TNC 3J05
(DRIVE)
FU-F
2SK
Q211
IC431
1830F VTX1
PLL
MB15E
PS_A 03SL-E1
Q612 SSM
LE_A
6L05 45RVA
FU-F
TR_DATA
TR_CLK
45RVA_S
X431
Q613 SSM
TCXO
6L05 45RUA
16.8MHz
LPF
FU-F
L77-30
57-05
45RUA_S
33CA REF_A
Q614 SSM
6L05 45RVB
FU-F
IC352
SW
45RVB_S
TC7W53
Q611 FK(F)
SSM
6L05 45RUB
FU-F
33RB
45RUB_S D352 HSC
277
Q615 SSM
3J05 45RVAM
FU-F
45RVAM
45RVAM_S
DET_A
DET_B
Q355
144TX_S
WXCTIN_B
33CS
430TX_S
IC611
45RVAM_S
SUB MCU
45RVA_S
RXD_S
SCLK 45RUA_S
78F0515 45RVB_S B
TXD_S
WXCTIN_A
45RUB_S
INTS AGKDXA
33RB_S
SAVE1
BT_V
CHG_TH
CHGEND
VHFB DC_S
FTH
SHIFTB PRE_CHG
RST
TR_CLOCK BTV_ON
BSFT3
TR_DATA B
LE_A APCSW
LE_B VAIP Q652
A_S PS_A
SW IC645
PS_B
B_S
SSM
CHG XC6202
6L05
P452DR
FU-F
SAVE1
+B
IC201
Q644
LMC7101
SSM
R216,R217
BIM5
3J05
FU-F
RF SW
430T
VTX1
HSC
277
IC202 Q214
Q201 Pre-Drive Drive
Q522 D201,D204
D211,D212
VCOB RF AMP IC AMP
RF SW
2SC 2SC UPC NE
5488 5488 3232 5500 HVU131
A-H A-H D202 D205 TB 234
LPF
Q524
HSC HSC
Q523
RF AMP 144T 430T
33CB +B APC
277 277 45TX
144T 144T
Q518
HSC
D518
SW
277
RT1N Q204
141U
D203 RF AMP
-T111
D525
2SC
HSC
5488
277
A-H
SHIFT_B
33CA
IC353 IF DET 33RB
NJM2591V
Q358
XF351
MIXER IF AMP
MCF
2SC
AMP
DET 4617
(S)
D6
49.95MHz
HSC
OSC
33CA
277
D5
CD351 CF352
HSC
277
450kHz 450kHz 2SC
Q357
4649
X3AMP Q4
(N,P)
MIXER
33CA
33CA
Q433
2SC
Ripple
D437
4617
Filter
(R)
HSC
Q437
277
D434,D435 RF AMP
Q438
LPF
x2
MCH 2SC 2SC
1SV
AMP MIXER
3914 5488 5488
325F
(7)-H A-H A-H
2SC
5488
Q435 Q436
A-H
VCO A RF AMP 33CA
BPF
45RUA
2SC
Q434
5488
Fin AMP
A-H
D7
SQB SMB 33RB
33CA
IC354 IF DET
NJM2591V
Q359
XF352 MIXER
MIXER IF AMP
MCF
2SC
DET AMP 4617
(S)
45.05MHz
OSC
33RB
CD352 CF351
X351
45.505MHz
D650
33RB
455kHz 455kHz
CMS
B
05-Q
D351 IC351
Q356 Q354
DET AGC AMP
IF AMP IF AMP
2SC 2SC 2SC
TC7W51
4617 4617 4617 RB706F40 AGC
FK(F)
(R) (R) (R)
Q352
IF AMP
2SK 2SK
Q353
1830F 1830F
Q655
AVR Q654
IC646 SSM
CPH
B 6J08 33CB
6122
NJM2872 FU(F)
33CS
F33 Q616
Q651
B_S SSM
3J05
C_S SW
FU-F
SSM Q657
UMX SSM
Q656 6L05
6J08 33CA
2N
AVR FU-F
FU(F)
33RB_S
Q659
CPH
45C
6122 SAVE1
A_S
RB
D511
751V
UMX
-40
IC512
2N
DC-DC
66V VCP
Q658
TC7660
SW
SEOA
Q207 APC&BPFA Q212
IC203
2SC RN
LMC7101
4617 4902 APC
BIM5
(R) -F
APCSW
2SK
Q205
1830F
D219,D221
Q215 : HVC131
D215,D216
Final
AMP : HVU131-E
LPF LPF LPF LPF
2SK
RF
3476
SW
-F
+B APC 144T
D214,D227: HVC131
D217: HVU131-E
HPF
D223,D228: 1SS387
D225: 02DZ15F-X,Y
D226: 02DZ18F-X
HPF HPF
RF
SW
A Band VHF
430T
D12,D13, D42,D43,
D24,D25 D32,D33
Q2
Q7 Q11
: 1SV325F : 1SV325F
MIXER
RF AMP RF AMP
BPF
BPF
3SK 3SK
3SK
294- 294-
318
FP FP
Q15
45RVA BPFA 45RVA BPFA
45RVA 2SK
1830F
B Band VHF
D14,D15, D35,D36,
VAIP
D26,D27 D44,D45
Q8
Q13
: 1SV325F : 1SV325F
RF AMP RF AMP
BPF BPF
3SK 3SK
3SK
294- 294-
318
FP FP
Q16
45RVB BPFB 45RVB BPFB 45RVB
2SK
1830F
AGC AGC
A Band UHF
VAIP
D10,D11,18 D30,D31,
D19,D22,D23 D39,D41
Q3 Q6 Q10
: BBY65-02V : BBY65-02V
RF AMP RF AMP
BPF BPF
3SK 3SK 3SK
318 318 318
Q14
45RUA BPFA 45RUA BPFA 45RUA
2SK
1830F
HSC
B Ba2d UHF
277 UAIP
D8,D9,D16 D28,D29,
Q1 D17,D20,D21 D38,D40
Q5 Q9
: BBY65-02V : BBY65-02V
RF AMP RF AMP
BPF BPF
3SK 3SK 3SK
318 318 318
Q12 Q642
45RUB BPFB AGC BPFB 45RUB 2SK
2SK
DC_DET
1830F
3019
45RUB AGC
UAIP
DC-DC-Converter Q649
IC644: XC9221C09AMR TPC RB
6110 051L
Q650: 2SJ506-E(S)
-F -40
IC639: XC6118C10ARM
D644 2SA
1832
D647 (GR)F
2SK
Q645
DC_S HZU
1830F
Protection
16-E
(B2)
Q663
IC641 CHARGE
LM3420
+ –
-8.4N
Q646
Q662
RT1P RB
D646
436U 051L SSM
-T111
-40 BTV_ON 6L05
CHG
FU-F
33RB
IC642
2SK
XC6201 2SC
Q643
1830F
5706 NJM
P152DR
2904RB1-ZB
IC643
Q648
BT_V
CHGEND
Q653
D645
CPH HZU
PRE_CHG
3417 3BLL
ANT
DC-IN
BATT
+
–