Block diagram (b/s)

1.

BLOCK
DIAGRAM(B/S)
ANT.
TX
RF
MODULE
BASE SET
RX
CT AUDIO
BASEBAND
AK2358E TX/RX
U11
DATA BUS
SLT H/S
DATA BUS
ANALOG
SW
(U8,U9,U10)
SPK
IN/OUT
DATA BUS
MELODY
IC(U7)
EL LIGHT
T2,Q4,Q6
CODEC
(U13)
DATA
DATA BUS
4M
DRAM
TX/RX
AMP
U16
BUS
1M
ROM
DSP CHIP
D6385A
(U19)
(U18)
SPEECH
NETWORK
TEA1062A (U6)
AUDIO
TEL
TEL SW
SW1,Q10
TX/RX
LINE
DIAL
MUTE
DSP
IN/OUT
CODEC
(U13)
LCD
AUDIO
(U20)
SLT DIALER
MIC
RINGER
(U4)
DATA BUS
HM91710A
(U5)
DATA BUS
RING DET.
(U23)
DATA BUS
SP AMP.
(U3)
SPK
CPU ( U17)
12V/500mA
1
2
9V
MC7809
(U2)
6V
1
REP
4
2
3
5
6
7
ALARM
8
*
TONE
0
INT
ERASE
P/T
SKIP
VO-H
SCROLL MEMORY
9
TIME
#
CONFM
VOL-L
REDIAL/PAUSE
OUT
PLAY/STOP
SPK
MEMO/2-REC
FLASH
AUTO-REDIAL
HOLD
RECORD
PROG
RING
MC7809
(U2)

2.

BLOCK
DIAGRAM(H/S)
SPK
ANT.
SPK AMP.
U7
AUDIO AMP.
U4
RX
LCD
L1
RX AUDIO
RF
MODULE
BASE BAND
IC
TX AUDIO
DATA BUS
U6
CPU
EEPROM
U1
TAK
INT
RDL
1
2
3
4
5
6
7
8
9
*
0
#
MEM SCR FLH
HLD VAL REC
U5
SPK
LOW BATT
U2
MIC
X2
32.768MHz
RESET
U3
POWER
SW1
X1
3.58MHz
BATT
600mA