Kenwood TK-2310R Service Manual page 51

TX-RX UNIT (X57-7880-31)
BUSY TX S I G N TH_DET
LCD B30-2314-05
B30-2315-05
B30-1790-05
D 8 0 1
D 8 0 4 D 8 0 5
D C S W 33M
BLUE LED
2 S K 1 8 3 0 F ON:3.3V
D C S W
Q 8 0 5
3.3V
D C S W
Q 8 0 1 LEDGRE
Q 8 2 1
2 S B 1 6 9 4 U PA 6 7 2 T- A LEDRED
R 9 6 1
0 RX: 0V
TX:3.3V
7.4V
D C S W SB LCDBL LCDBL
2 S C 4 6 1 7 ( S )
Q 8 2 0 R 9 5 2 3.3V HSDEC
R 9 6 0 33MS
3 3 0 0
R 9 6 8
L C D B AC K L I G H T R 9 5 3
1 k
4 . 7 k
BUSY LED
ON:3.3V
VOX
BUSY BUSY
R 8 3 0
1 0 k (D)
LEDBLU LEDBLU
10kx4 3 3 C P 8 2 1
C P 8 2 6 10kx4 MIC_MT
SEG29 S E G 2 9 S E G 1 2 1 6 SEG12
SEG30 3 4 MANDN
S E G 3 0 S E G 1 1 1 5 SEG11
SEG31 3 5 SEG10
SEG32 S E G 3 1 S E G 1 0 SEG9
1 4
3 6
S E G 3 2 S E G 9 1 3
SEG33 R 9 3 6 3 7 C P 8 2 0 R 8 3 1
S E G 3 3 S E G 8 10kx4
1 0 k 1 2 SEG8
3 8 0
S E G 3 4 L C D S E G 7 1 1 SEG7
3 9 SEG6
S E G 3 5 D R I V E R S E G 6 SEG5
C N 8 0 1 1 0
V R 1 7.5V 4 0 R 8 3 2
E 4 0 - 6 8 2 7 - 0 5 S E G 3 6 IC821 S E G 5 9
R 3 1 - 0 6 7 6 - 0 5 1 B C P 8 1 9 0
4 1 S E G 3 7 NJU6434 S E G 4 10kx4
8 C P 8 0 2
2 SB 4 2 SEG4
S E G 3 8 S E G 3 7 SEG3 1kx2
3 AFI VOLIN SEG2 LEDGRE LEDGRE
4 3 S E G 3 9 S E G 2 SEG1 LEDRED LEDRED
6
4 AFO 4 4
S E G 4 0 S E G 1 5
5 4 5 C P 8 1 8 EN2
GND S E G 4 1 C o M 4 10kx4 EN1
VOLOUT 4
6 UP 4 6 S E G 4 2 COM4
C o M 3 COM3
W 1 3 COM2 33MS 33MS
W 0 2 - 3 7 4 8 - 0 5 7 DOWN 4 7 S E G 4 3 C o M 2 COM1
2
8 GND 4 8 S E G 4 4
C o M 1
1
SB 5CC
33M 33M R 8 1 6
1 0 0 k
3.3V
C 9 5 0 R 9 9 2
820k
1 u
C 9 5 1
3.3V
1 0 0 0 p
4 K E Y S A B C
R E S E T
VOLIN VOLIN
33MSC 33MSC
1 2 AV R HSDDEC
1 2 K E Y 3 KEY4O I C 8 0 4
X C 6 2 0 9 B 3 3 2 M R INT0 INT0
D 8 2 9 3 3 M VOLOUT VOLOUT
KEY1I R 8 0 7 1 V I N
Vo U T
4 5 6 1 S S 3 8 8 F 0 5 5CC
2 V S S ON:3.3V
R:7.4V
D 8 3 0 KEY2I T:7.2V 3 C E
N C
4 I C 8 0 2 AV R
7 8 9 1 S S 3 8 8 F X C 6 2 0 9 B 5 0 2 M R
3.3V
D 8 3 1 1 V I N
KEY3I Vo U T 5
2 V S S
0 1 S S 3 8 8 F 7.4V
* #
3 C E
D 8 3 2 N C 4
KEY4I
1 S S 3 8 8 F 5 0 C
C 9 6 8 KEY3O I N T
47p KEY2O I C 8 0 5
X C 6 1 C N 4 5 0 2 M R INT 33MS
KEY1O
VOX
R 8 2 2 33MSC
PTT V I N Vo U T D C S W ON: 0V
L302 V S S 1 k
Q 8 0 4
PTT S S M 3 J 0 5 F U - F MIC_MT
Side1 PF1
SB SB
SIDE1
BUSY
Side2 PF2 PTT/RXD PTT/RXD
SIDE2 B B
GND
THDET THDET
THDET
AFCONT AFCONT AFCONT
CVIN CVIN CVIN
BATT BATT
C P 1 100x4
PL_STB
PL_DAT
PL_CLK
3.3V PL_UL
33M
33M
T C X O 3.3V
R 5
1 R 9
V C o N T V C C 4
1 0 0 R 1 1 1 0 k
E E P RO M 1 0 k
2
CM_CSN I C 8 1 0 G N D o U T P U T 3
CM_DTI
1 S V C C X 1 L 1 R 8 C 1 1
8 1 6 . 8 M H z
2 L 7 7 - 3 0 5 0 - 0 5
Q H o L D 4 . 7 u 3 3 0 0 . 0 1 u
7
3 W C
R 9 7 8 6
4 1.6V
0 V S S D
5
6 1
4 0
R 9 9 3 6 2 QT/DQT CM_CLK
CVIN CE 33M 33M
4 . 7 k (D) 3 9
6 3 BATT
EP_CS 3 8 CM_CLK
6 4
VOX EP_DTI
R 9 8 1 3 7 R 9 8
6 5 BUSY
0 EP_WP 3 6 1 8 k
R 8 3 6 6 6 C 98
TH_DET 5RC
3 5 R 7 1 3 1 0 0 0 p
1 k 6 7 RSSI EMP DCSW
3 4 4 . 7 k
6 8 CM_DTO 4 R 9 9 R 1
WID/NAR CM_DTO o U T I N +
3 3 3 1 8 k 0
6 9 ASSIST M C U
EP_CLK 3 2 3.3V V S S 2
7 0 5
AF_MUT EP_DTO V D D I N -
I C 8 2 0 3 1 1 R 6
7 1 F 3 6 3 B E D F E K D L C R 7
MIC_MT 5TC 3 0
R 8 5 5 7 2 I C 3 T C 7 5 S 5 1 F E ( F ) 0 1 0 k
MAN_DN 5VC
0 2 9 DCSW DCSW
7 3 5RC
5CC TX/RX 2 8
R 8 5 0 7 4 TX/RX TX/RX
LEDBLU APCSW
1 k 2 7 EM_CLK
7 5 APCSW APCSW
AVSS EM_CLK 2 6
7 6 GRNLED RXD AVR I C 8 0 6 X C 6 2 0 9 B 3 3 2 M R
2 5 50VC 7.4V 3.3V
7 7
VREF TXD 2 4 L 8 0 3 1 3 3 B
V I N Vo U T
7 8 AVCC 33MSC 5
2 3 2 V S S
7 9 LEDRED NC
3
OPTDET PL_DAT 2 2 C E N C
8 0 4
2 1
50M 50M B E AT S H I F T
BSHIFT BSHIFT ON:3.3V
OFF: 0V
33MS 33MS L 7 8 - 1 4 3 4 - 0 5
R989
LSDO 1 9 . 2 0 0 M H z
TXD TXD
1k UCLK UCLK
RESET MODE 50C 50C
3.3V VSS C 8 5 0 X 8 0 2
R 8 5 8 R 8 5 7 VOLIN VOLIN
1 0 0 0 p
R 8 5 2 VCC 0 6 8 7.4V
C 8 4 9 I C 8 0 1 X C 6 2 0 9 B 5 0 2 P R
1 0 0 k Q 8 0 6
R 8 5 4 0 . 1 u R 9 3 2
4 V I N 2 S C 4 9 1 9 - S R 8 7 9 0
C E 3 B E AT S H I F T S W
0 1 0 k AVR
V S S CM_DTO R 8 8 0
2 CM_DTI
5 0
50C Vo U T N C 1 C 8 6 6 1 0 u
5 0 M R: 0V
T:3.3V
5TC
R 8 81
Q 8 0 2
D C S W S S M 6 L 0 5 F U - F 5 0 T 0
OPTDET
7.4V
R 8 8 2
3.3V 5.0V
C 9 1 3 3 3 0 0 p H S D L P F CM_CLK 0
50VC CM_CSN
ON:3.3V
C 8 4 2 H S D A M P CM_IRQ
R:3.3V 50VC 50VC
3 9 0 0 p
1 A o U T V + T: 0V AVR X C 6 2 0 9 B 5 0 2 P R
C 8 4 0 8 Q 8 0 3 R: 0V I C 8 0 3
2 D C S W S S M 6 L 0 5 F U - F 5 0 R T:4.9V
A - I N B o U T 7 4 V I N
3 3 0 0 p R 8 4 4 R:4.9V C E 3
5.0V 3 A + I N B - I N C 8 8 2
H S D H P F 6 T: 0V 5.0V
4 0 V S S 2
G N D B + I N 5 Vo U T 1 0 0 0 p
5 N C 1
R 8 6 5 R 8 6 7
R 8 3 9 R 9 1 6 I C 8 0 8 5 0 V
N J M 2 9 0 4 R B 1 - Z B
0 1 2 k 2 2 k 1 0 k TXD
50T 50T
50R 50R
LSDO1 LSDO1
ASSIST ASSIST
HSDENC HSDENC
QT/DQT QT/DQT QT/DQT
VOX VOX VOX
RSSI RSSI
HSDIN HSDIN
33M 33M
MICMT MICMT
PTT/RXD1 PTT/RXD1
SB SB
EMPTT EMPTT EMPTT
BUSY BUSY
PTT/RXD PTT/RXD
OPTDET OPTDET
VOLOUT VOLOUT VOLOUT
B B
THDET THDET
50C 50C 470
R 6 0
L 2 3.7V
R 1 6 5.0V 1 5 n
5.0V
LOIN LOIN C 2 0 C 2 9 C 3 4 R 6 2
1 0 2.5V
7 p 4 7 p 68k
4 7 0 p Q 2
CVIN
2 S C 5 6 3 6
2.2V
I C 2 D C AMP R F BU FF
7 LD B D 7 5 4 2 F V M
R X V C O
CPVSS 2 4 CV(A)
8 PDN2 1 M C H 3 9 1 4 ( 7 ) - H
P L L - I C SWIN o U T 1 V D D
9 PDN1 2 3 8 R 2 7 L 4 L 7 D 1 2 C 5 1 Q 4
CPZ 2 I N 1 - o U T 2 CV CV
I C 1 2 2 7 1 0 k 1 0 u
1 0 REFIN R 2 8 3 R 1 7 R 1 9 R 2 0 H V C 3 7 5 B - E 3 0 p
A K 1 5 4 1 CP I N 1 + I N 2 - CP CP
2 1 0 6 0 0
1 1 TEST2 PVSS 4 V S S I N 2 + 1 . 5 k
2 0 5
1 2 TEST3 R 1 4
BIAS 1 9
2 2 k CPZ CPZ
3.2V
R 1 5
1 0 T X V C O
R 2 9
M C H 3 9 1 4 ( 7 ) - H
4 7 0 k D 9 C 4 7 Q 5
C 3 5 L 5
33MS 1 0 u H V C 3 7 5 B - E 3 9 p
0 . 0 1 u
16.8M 16.8M
50C 50C 50C
D C AMP I C 8 1 1
H A 1 6 3 0 D 0 3 M M
5.0V
1 Vo U T 1
8
2 V D D
V I N 1 - D C S W D C S W R 3 9
Freq 3.3V Vo U T 2 7 R 6 8
3 Q 1 1 Q 1 2
33M V I N 1 + 6 S S M 3 J 0 5 F U - F 2 S K 1 8 3 0 F 56k
4 V I N 2 - 0
V S S
MOD1 V I N 2 + 5
VCOS R 6 7
VCOS
1 0 k
50C
DCSW DCSW
TX/RX
TX/RX
MOD2 MOD2
AF_CONT AF_CONT
50T 50T
APCSW APCSW
R 8 2 4 50V
C 8 7 6 50V
8 2 0 k (D) 50M 50M
33M 33M
1 0 u BPF1 BPF1
C 8 7 4 R 8 9 0 R 8 9 2 R 9 6 2 C 9 1 5 PC/BPF2
PC/BPF2
0 . 1 u 1 5 k 0 1 0 k 1 u TXD TXD
ASSIST ASSIST
C 8 7 7 3.2V
50R 50R
1 0 0 0 p PC/BPF2[1]
R 8 9 7
2 7 k
R 8 9 8 DETAF DETAF
3 7
DVSS3 MoD2 2 4 2 . 2 k R 9 0 2 C 8 9 6 M I C AG C
3 8 MIC MIC
VDEC2 MoD1 AG C A MP
2 3 1 0 k 0 . 1 u Q 8 1 0
3 9 D 8 0 7 2 S C 4 1 1 6 ( G R ) F
XTAL/CLoCK AVSS1 2 2 R 8 9 3 K D R 7 3 1 R 9 0 6
C 8 9 7
4 0 XTALN MIC 0
2 1 1 k
4 1 B A S E B A N D I C 0 . 4 7 u
DVDD MICFB 2 0 MICFB MICFB
4 2 CoMMANDDATA I C 8 1 2 ALTFB RECTIFICATION
1 9 R 8 9 9 C 9 0 9
4 3 C D 6 8 6 Q 3 C 8 9 2 R 9 1 0 R 9 1 2
REPLYDATA ALT 1 8 1 2 0 k 1 u C 8 9 8
R 9 0 7 1 0 k 0 . 1 u 0
4 4 NC DISCFB 0 . 4 7 u
1 7 2 . 7 k Q 8 1 1
4 5 D 8 0 8 K D R 7 3 1
DVSS4 DISC 1 6 2 S A 1 5 8 6 ( Y, G R ) F RECTIFICATION
R 9 0 0 C 8 9 3 D 8 1 0 M C 2 8 5 0
4 6 SERIALCLoCK GPIo2 AG C A MP R 9 1 1
1 5 1 0 0 k RECTIFICATION R 9 0 8
4 7 4 . 7 u
SYSCLoCK2 DVSS2 1 4 1 0 k
Q 8 0 9 1 0 0 k
4 8 CSN SYSCLoCK1
1 3 K T C 4 0 7 5 E ( Y, G R ) R 9 0 9 1 M
C 9 0 7 4 7 p
RECTIFICATION
R 9 0 3
R 8 9 1 C 9 0 4
1 0 0 4
C 8 7 8 o U T I N - 3
4 7 k 0 . 4 7 u
V S S
3.2V 0 . 0 1 u D 8 0 9 2
C 8 7 9 K D R 7 3 1 5
V D D I N + 1
1 0 u
3.3V VOX A MP
50V I C 8 1 7
TXD T C 7 5 S 5 1 F E ( F )
50T VOX
50R
C 9 4 9
ASSIST
HSDENC 1 0 0 0 p
VOX VOX
RSSI RSSI
DISCFB
33M
33M
MICMT MICMT
PTT/RXD1 PTT/RXD1
SB SB
EMPTT EMPTT
BUSY
BUSY
PTT/RXD PTT/RXD
OPTDET OPTDET
VOLOUT VOLOUT
B B
R 2 1 1 R 2 1 3 D R I V E
R 2 0 3
R 2 0 6 R: 0V 1 0 1 . 0 k R D 0 1 M U S 1 - T 1 1 3
T:1.5V
R: 0V 1 0 1 . 2 k Q 2 0 4
T:1.4V
P R I - D RV
C 2 1 5 R 2 1 7 C 2 1 7 L 2 0 6
R F A M P 2 S C 5 4 5 5 - A
R:2.1V 2 S C 5 6 3 6 C 2 6 5 C 2 0 9 Q 2 0 3 1 2 3 9 n
T:2.0V Q 2 0 1 1 2 p 30p
C 7 2 C 7 3 C 2 0 1 R 2 3 7 C 2 6 4 R 2 0 5
3 3 p 1 5 p R: 0V
3.9V C 8 5 1 0 0 0 p 0 2 4 p 0 T:0.8V
5 p (B) 1 5 p (B)
R 4 4 3.6V R: 0V H : 2 . 1 V
R F BU F R F A M P 1 3 p T:0.7V L : 1 . 7 V
L 2 5 C 7 7 R 2 2 1
22 2 S C 5 6 3 6 2 S C 5 6 3 6
Q 9 1 2 n LO LO 5 6 k
Q 8 1 8 p 3.4V
R: 0V
C 6 6 T:4.9V
R 4 6 50T
0 . 5 p
1 5 0 k
4.6V
0.7V THDET THDET
R 4 5
22 RT 1 N 1 4 0 U - T 1 1 1 R 3 0 3 R 3 0 8
R: 0V Q 3 0 1
T:4.2V 4.2V D C S W 5 6 0 1 . 8 k R 3 1 4 R 3 1 5
R:4.2V
R301
C 6 7 T: 0V 4 7 0 k (D) I C 3 0 1 1 0 k
0 R 3 1 8
L 1 6 C 3 0 8
0 . 5 p S S M 3 J 0 5 F U - F 1 AoUT 4 7 0 k
V + 8 RT 1 P 4 4 1 U - T 1 1 1
R I P P L E D C S W Q 7 R 3 1 1 1 0 p 2
A-IN B o U T
F I LT E R 1 5 0 k 7
5.0V (D) 3 A+IN
K T C 4 0 7 5 E ( Y, G R ) B - I N 6
Q 3 4
R 3 1 2 GND B + I N
5
1 5 0 k
(D) N J M 2 9 0 4 R B 1 - Z B
D C S W Q 6 A P C
FB
S S M 6 L 0 5 F U - F
R: 0V 7.5V
T:3.4V
R: 0V R 3 1 7
T:3.3V R:3.3V D C S W
T: 0V
0
50C 50C D C S W Q 3 0 3 Q 3 0 4
DCSW DCSW 2 S K 1 8 3 0 F
RT 1 N 1 4 1 U - T 1 1 1
AFCONT AFCONT
50T 50T
APCSW APCSW
50V 50V
50M 50M
33M 33M
BPF1 BPF1
PCBPF2 PCBPF2
TXD TXD
50R
R 4 1 4
LOCAL
1 0 0
C 4 1 5 50R 50R
4.8V
50C 50C
R 4 1 0 3 9 p
0.6V C 4 1 0 L 4 0 2
2NDLO 2NDLO 5.0V R:5.0V
3 3 0 k
2 2 p 1 0 0 n T: 0V
Q 4 0 3 R:4.8V R 4 3 7
K T C 4 0 8 0 E - P T: 0V
F M S YAT E M 4 . 7 k
T R I P
I C 4 0 1
N J M 2 5 9 1 V
C F 4 0 2
L 7 2 - 1 0 1 2 - 0 5 C 4 2 9 R 4 3 3 R:0.7V
1 oSCIN T: 0V L 4 0 8 L 4 1 0
C 4 0 6 C 4 0 4 MIXIN 1 6
2 oSCoUT 1 p 1 M X F 4 0 1 49.95MHz 3 3 n 3 3 n
L 7 1 - 0 6 5 5 - 0 5
0 . 1 u 0 . 1 u GND 1 5 R 4 2 5 I F A M P C 4 3 3 R 4 3 4 C 4 4 4 C 4 4 7
MIXO MIXO 3 MIXoUT
NoISEREC 1 4 0 . 0 1 u 2 2 0
4 V+ 0 0 . 5 p(B) 2 . 5 p(B)
Q 4 0 5
R 4 1 2 R 4 1 3 R 9 9 4 NoISEDET 1 3 K T C 4 0 8 0 E - P
IFIN IFIN 5 IFIN L 7 9 - 1 8 6 6 - 0 5
RSSI 1 2 C D 4 0 1
0 0 0 C 4 1 8 6 C 4 2 4
DEC
0 . 1 u IFoUT 1 1 5 6 p
7 FILoUT BPF
QUAD 1 0 R 4 2 4
R 4 1 7 8
FILIN 1 . 8 k
4 7 0 k AFoUT 9
L 4 0 9
R 4 1 9 C 4 1 9 R 4 2 1 2 2 0 n
1 0 0 k 5 6 p 3 . 3 k R 4 3 8
R:3.1V
RSSI BUSY 1 k M I X E R
T: 0V
C 4 4 5 Q 4 0 6
R 4 2 8
1 3 p 3 S K 3 1 8
R 4 2 2 C 4 5 2
0 1 0 0 0 p
3 . 3 k
DETAF DETAF
RSSI RSSI
MIC MIC
PTT/RXD1 PTT/RXD1
SB SB
EMPTT EMPTT
BUSY
BUSY
PTT/RXD PTT/RXD
OPTDET OPTDET
VOLOUT VOLOUT
B B
THDET THDET
F I N A L
C 2 2 2 DRVOUT DRVOUT A N T S W
R D 0 7 M U S 2 B T 1 1 2
STRIP LINE L 2 1 2 L 2 1 3 L 2 1 4 C 2 4 0 R 2 3 1 C 2 4 3 D 2 0 1 C 2 4 7 L 2 1 9 L 2 2 0 L 2 2 1
1 0 0 p Q 2 0 5
3T 5T 5T 1 0 0 0 p 0 1 2 0 p 1 0 0 0 p 5T 8T 8T
H V C 1 3 1
R 2 2 9 C 2 4 9 C 2 5 3 C 2 5 6
D 2 0 2
4.7
R 2 30 7 p 3 p 1 . 5 p
H V C 1 3 1
4.7 A N T S W
H : 1 . 1 V
L : 0 . 9 V
L 2 1 0
TXBIAS TXBIAS
R: 0V
H : 3 . 5 V R: 0V T:0.8V
L : 2 . 9 V APCDB APCDB
T:4.9V
50T 50T
L 4 1 5
L 2 1 7 R 2 4 0
8T 0
R:5.0V
T: 0V
50R 50R A N T S W
D C S W
R:4.2V
Q 3 0 6 T:0V
C 4 5 9 C 4 6 1 C 4 6 6 C 4 6 7 C 4 9 5 R 4 4 8
RXRF RXRF
0
1 0 0 0 p 1 0 0 0 p 3 . 5 p (B) 1 . 5 p(B) 4 7 0 p R 4 5 7 C 4 7 8 R 4 5 8 C 4 8 2 C 4 8 4
R F A M P
Q 4 0 7 0 1 0 0 0 p 0 2 . 5 p(B) 1 . 5 p(B)
3 S K 2 9 4 - FP
R:3.0V C 4 8 7 C 4 8 9
T: 0V
9 p (B) 3 9 p
D C S W B P F T U N I N G B P F T U N I N G
Q 3 0 5
2 S K 1 8 2 4 - A
B P F B P F
T U N I N G T U N I N G
50V
50V
50M 50M
33M 33M
BPF1 BPF1
TXD TXD
AFCONT AFCONT
FB
33M
50R 5.0V
PTT/RXD
R 9 2 9 E11-0703-05
1 k J802
PTT/RXD
MIC
MICIN
R 9 2 8
Q 8 1 6 Q 8 1 5 OPTDET
2 7 k 5M
U PA 6 7 2 T- A U PA 6 7 2 T- A D C S W AE
Q 8 2 2 TXD
L E V E L L E V E L NC
C O N V E RT E R RT 1 N 1 4 1 U - T 1 1 1 SPO
C O N V E RT E R SPI
TXD R 9 3 0
1 0 0
PTT/RXD PTT/RXD C 9 2 6
MIC MIC
MUTE ON:7.4V MUTE ON:3.3V 1 0 0 u 6 . 3 R 9 3 1
OFF: 0V OFF: 0V
0
A F A M P R 9 2 4
4 7 0 k A F M U T
7.5V I C 8 1 5 A F M U T
TA 7 3 6 8 F G
D C S W Q 8 1 8 Q 8 1 9
1 N C 1 2 S K 3 5 7 7 - A 2 S K 3 5 7 7 - A
Q 8 1 4 Po U T
2 S B 1 6 9 4 1 0
SB SB 2 V C C
P W- G N D 9
R 4 4 5 C 4 5 5 3 N C 2 P R E - G N D
8 C 9 2 4
4 V I N
0 1 0 0 0 p P H A S E 7
R:3.1V 1 0 0 p
T: 0V 5 R I P P L E N F
C 9 1 4 R 9 1 5 6
1 . 5 k
1 u D C S W
7.5V
(2.5A)
F 8 0 1
Q 8 1 7 FB L 8 0 1
D C S W RT 1 N 4 4 1 U - T 1 1 1
C 9 2 2 F 5 3 - 0 3 2 4 - 1 5
PROTECTION
0 . 1 u MUTE
PTT/RXD1 PTT/RXD1 Q 8 1 3 ON: 0V
OFF:7.4V
SB RT 1 N 1 4 1 U - T 1 1 1
EMPTT EMPTT
FB FB
OPTDET OPTDET
VOLOUT VOLOUT (1.0A)
F 8 0 2
B B
F 5 3 - 0 3 1 9 - 1 5
A N T
L 4 20
2 7 n
E X T-
S P / M I C
I N T- M I C
I N T- S P
+
7.5V
BATTERY
-