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30.3MHz 60dBuVemf 1kHz/3kHz MOD

RF 40MHz RF-TX 7.15dBm MOD 3.0kHzdev RXRF=-72.4dBm RFRX
ANT RXRF=-48.9dBm 1 3 D803 D802 NC NC NC
1

SET SPEC(10CH)

RXRF=-36.7dBm
DUP802 NC IN VDD GND 2
6 5

ANTENA

T802 NC RXGND
4 7 3 2 1 1

OUT

4

ITEM TX-VCO 10.7MHz RX-VCO RXRF=-42.3dBm TX-POWER MIC-MOD DATA-MOD SP-OUT TERMINAL RX-SENSITIVITY NOISE-SQ RADATION POWER RX-SENSITIVIY CONSUMPUTION CHARGE BAT-LOW CF801 10.7MHz RXRF=-22.6dBm R830
1

CONDITION

1

C847

R828

1

NC

1 1

1

JP802 NC

C845 0
1

DUP801 1
1

CF802 0
1 2 3 2 5 4 3 1

6.3V10

C855

+

450kHz

IN VDD GND GND OUT 6 GND 2

C840 L803 2.2uH
1

R827 3 4 5
1

RXRF=-24.2dBm
IFOUT IFGND J68P Z0.1 R831 1.0K C850 Z0.1 1 C851 Z0.1 C852 1 K0.01
1 1 1 1 1

JP801 0

L802 NC

NC
1

C842 6.3V10

C843 Z0.1

68 C844 NC C849 C854
1 1

1

1

Z0.1

C846 K0.01

1

JP804 0
1

+

K0.1

JP803 0
1

C838

C848

R832 750

RXRF=-30.3MHz -46.2 dBm
RXVCO R825
1

C853

C839 NC 0

1

1

NDTC

RXAF=-35.0dBm
NOISE DTC

RXAF=-19.6dBm
R802 18K
1 1

42 41 40 39 38 37 36 35 34 33 32 31 30 29
GND1 1st MIX VDD1

T801 K4700P 43
4 7 3 1 VcapRX 1

22K C837

2nd MIX

R801 C801 390K J120P 28 27
1 1

C803 K0.1
1

1kHz RXAF=-19.2dBm
DTCOUT

SQ

FILTER

SQ

C836 J22P

C835 NC

44 45 46

1st LOCAL OSILLATAR

2 5 1

5.5V REG 25mA max

FILTER TO SQ OUT PRE AMP RX-MUTE EXPANDER

1

1

C802 J120P 26 25 24
1

R803 22K 0 R806 39K
1

+0.5dB LD(RX) 14 bit programmable counter 10 bit programmable counter

C804 R804 J100P 1
1

R807 5.6K
1 1

6

R824
1

C805
1

47 0 R821
1

RX PD LD(TX)

C807 K0.1 C810 K0.1
1

R805 47K
/8 E-DET ZAP

NC

48 0 49
PLL

TX PD

23 22 21

1

C834 K0.1 R823

R822

10K

12K

C808 K0.047
1

C806 K4700P R809 R808 15K
1 1 1

C833 K0.01

C830 Z0.1

50 11.15MHz C829 G27P X801
1 1

C832 Z1.0

C831 NC

Fin TX GND

14 bit programmable counter GND3

C809 K0.1
1

0 VOL801 100K

1

C811 K0.01

1

1

C812 K0.1 20 19 C813 Z0.1 18
LINE AMP COMP RX DATA OUT 1 ZAP PE(GND) POWER DOWN

51 52 53

R810 NC

1

1

1

1

1

3

1

SIGOUT
SIG_IN

SG OUT

54 55 56

SIG OUT

LD(TX/RX)

17 16 15

R812 47K
1

1

1

1

2

C828 G39P

RXAF=-25.4dBm

R811 10K C814 K6800P SP3 SP4

SP1 SP2

1kHz -21.7dBm

DATA MCU CLK

TXVCO JP806
1

PLL_DATA PLL_CLOCK

SPLATTER FILTER

ATT(0/2dB)

LIMITTER MIC AMP POWER DOWN

C DET

VDD

EN

MIC MUTE

VDD2

GND2

RXAF=-27.5dBm
RX_DATA

C824 K5600P

C823 K0.1

1

C822

J68P

K0.1

1

1

1

1

1

R819 390K

0

J220P

JP807

C820 6.3V10

C825

C827

1

C815 Z0.1 PDOWN

R818

RX DATA 500Hz/1kHz 3.8V

0

PWR_SAVE 2.2K C821 1

R820

VOL802 C818 R814 5K K0.082 3.3K
1 1 2

MIC + MIC1 1 1

R603

1

TXRF=9.8dBm
TXPOWER
RF_PWR_CONT

TXAF=-13.6dBm 1kHz
PLL_EN

1

PSAVE

R817 C819 10K K0.1
1

68K

NC

C826

1

R815 220 6.3V10
1

-40dBm 1kHz

1

3

1

NC

MIC2 C816 D801 K0.01 NC

R816 560

Q902
3 1

C914

1

NC

TX_PWR

2

1

K0.01

C915

1 3

R911 10

C908

R912 2.2

DUP901 1 3 4 6 OUT VDD GND GND VDD IN 5 2 TXGND R909 NC
1

1

2

3

J22P

R910 22 VOL901 NC

Q901

1

1

1

IC901
1 VDD OSC OSC DRIVE GND F out 6 5 4 2 T-E 3 T-C

T901
3 2 1 5 7 4

6

R904 47K

C902 K0.1

C912 K0.01

C907 K0.01

C913 Z0.1

C906 J47P

C910 K0.01

R908 330

VD901 MA2SV

TXRF=7.2dBm 40MHz

TXRF=8.4dBm 40MHz
1 1

C905 J27P
1 1

R903 82K

R905 47K
1

1

1

1

TXRF=-30.6dBm
R902 1.0M
1

1

R901 TX_DATA 0
1 1

1

1

C904 K0.018

C909 K0.01

C911 J10P

R907 100

1

C903 K0.022

1

R906 2.2K

1

1

C901 NC

1

1

1

(1)

R913 NC

1

2

1

(2)

TXAF=-19.6dBm 1kHz

C817

1

+

(3)

1

1

(4)(5)

NC

IC801

1

2

3

4

5

6

7

8

9

10 11 12 13 14

+

(6)

DATA 1.5V 1.1V 10dBm 1.9KHzdev -50dBm / 1KHz 5.5KHzdev 3KHzdev / 1KHz , 60dB -21dBm/VOL-M 0dBuVemf NC 3m NC 3m NC TALK NC NORMAL NC NC

JP805 0.82uH R826

1

C841 NC

1

L801

1

0

R829

330

NC

1

LED607

LED606

LED605

LED604

LED603

LED602

LED601
1

1

1

1

1

1

1

SK0

SK1

SK2

SK3

SK4

SK5

SK6

SK7

S0

S1 DMON
1

S2

S3 DE
1

S4 DA
1

S5 DOWN
2 1

S6 1
1

S7

S8
1

SK8

RA2 330

2

1

2

2

1

1

2

K0
8

RA1 150

EXIT FUNC
1 1 2

2 5
2 2 1 1

3 6
2

DN
1

DJ
1

DF ON
1

DB DC

LEFT
2 1 1

4 PAUSE
1 2 1

K1 K2
SK8 SK7 SK6 SK5 SK4 SK3 SK2 SK1 SK0

(6)

DO
1

DK ON
1

DG
1

INT
1 1 2

RIGHT
2 1

7
2 2

8
1 1

9
2

8

1

Q601
3 2

DP
1

DL
1

DH ON
1

DD

ON TALK
1 2 1 2

UP
1

FLASH TONE
2 1 1 2 2

0
1 1

#
2

1

C601
1

K3 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 S-8 S-7 S-6 S-5 S-4 S-3 S-2 KEY-2 KEY-1 KEY-0 LED0 LED1 LED2 VREF LED3 S-1
2 3

Z1.0 D602 R701
TX_PWR
1

1

Q602

TG

R608
1

TEST

1 2 3 4 5

48 S-0 CHG-CONT LCD-RESET R602 47 46 RA3 2.2K
1

NC

KEY-3 TEST-MODE NO-USE NO-USE P-DOWN VREF VDD OSC2 OSC1 VSS XI XO MMOD UART-TX UART-RX NO-USE PLL/ROM-TXD PLL/ROM-CLK ROM-RXD

10K

LCD_RESET LCD_POWER LCD_RS LCD_RW_WR LCD_E_RD LCD_CBS

LCD-POWER 45 LCD_RS LCD_WR LCD_E_RD 44 43 42 41

L601
1 1

C609 Z0.1

NC

R607 NC

C610 6.3V220

C611

X602

C608 J33P
1

3.991MHz

D601
1

0.68uH
+
1

6
1 1

7 8 9 10

IC601

LCD_CBS

8

1

LCD_DB7 LCD_DB6 LCD_DB5 LCD_DB4

DB7 40 DB6 39 DB5 38 DB4 37 8 1 TX-POWER BEEP-CONT RA4 2.2K 36 POWER-SAVE TX-DATA 35 CHARGE-DTC BACK-LIGHT TEST-DATA RX-DATA NO-USE 34 33 C602 K0.1
1

C607 J33P
1

C606 J33P
1

11 X601 32.76KHz UG 12 13 14 15 16

ROM-CS

NO-USE

NO-USE

PLL-EN

RESET

PLL_DATA

RA5 2.2K
1 8

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 C603 Z0.1

SIG-IN

UTX UTX1 UG1 URX URX1

TX-POWER-CONT

C605 J33P

BEEP

TX DATA 300Hz/400Hz 3.8V

1

R813

330K

RF_PWR_CONT

1

RX_DATA

(4)(5)

PLL_EN

(3)

TX_DATA

SIG_IN

PLL_CLOCK

PWR_SAVE

R703 4.7
1

NC

C701 Z0.1

IC602 NC

3

Q702
2

R704 NC
1

1 1

1

CS SK DI DO

VDD NC TEST GND

8 7

(2)

2 3
LCD_POWER

R606 6 5 C604 NC 47K Z1.0 C706
1 1 1

D709
1

4

D706
1

R705 56

Q701

1

R605

R707

R706 NC

1

NC

1

1

CHG3 L701
1

(1)

2

D701
1

Q706
1 3 1

D702
1

0.1uH

CHG1

LCD_RESET

1

L704 0.68uH C715 K0.1 1 R715 C714 1 K0.1 820K 1 C713 K0.47 1 K0.47

C704 NC D705

NC

CN701 C705 NC D704 NC BAT1 L703 2
1

1

CHG4 L702
1

C707
1 2

Q703

D707
1

3

K0.1

K0.1

LCD_RW_WR

K0.1

K0.47

Z0.1

C703 Z0.1

LCD_E_RD

LCD_CBS

LCD_DB7

LCD_DB6

LCD_DB5

LCD_DB4

LCD_RS

R713 100K

1 C709 K0.01
1

1

C718 1

C717 1

C716 1

C712

C710

C711

1

BUZZ1 +

R709 150
1 3 1 3

4.7 R708

1

1

1

R710

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 RW_WR E_RD V-OUT CAP2CAP2+ CAP1CAP1+ GND V4 V3 V2 V1 RS V0 VDD CSB DB7 DB6 DB5 DB4 VR RESETB

1

1

12

2

R712 680K

Q705

CN702

2

+

R711 1.2M

C708 6.3V10

1

-

1

Q704

1

KX-TC1230ALW: SCHEMATIC DIAGRAM (HANDSET)

1

BAT2

1

C702 Z0.1

1.0uH

Z1.0

D703

NC

D708

0.1uH

CHG2

1

1

1

1

R702 100K

1

10K

1