Table of Contents
Advertisement
SPP-A972
4-3.
BLOCK DIAGRAM – HANDSET Section –
ANT2
(ANTENNA)
RX PWR
RX AUDIO
TX PWR
TX DATA
RF2
RF UNIT
RSSI
PLL EN
PLL REF
SER DATA OUT
SER CLK
Ref No.
S1045
S1046
S1047
S1048
S1049
S1050
S1051
S1052
S1053
S1054
S1055
S1056
S1057
S1058
S1059
S1060
S1061
S1062
S1063
S1064
S1065
S1066
S1067
05
– 29 –
RX PWR B+
3
4
69
DSIN
TX PWR B+
11
10
68
TXDATA
5
79
ADIN2
9
58
GPIO2/MON2
1
64
PLLREF
8
7
DO
4
59
SIN
DI
3
62
SOUT
EEPROM
U1006
SK
2
63
SCLK
CS
1
55
GPIO5/TST1
X1001
18.4MHz
S1003
VOL
VOLUME
PANEL DESIGNATION
CONTROL
80
ADIN1
REDIAL/PAUSE
S1003
PGM
CONF
#
0 OPER
S1002
(JOG)
TONE
9 WXYZ
13
P1.2
8 TUV
14
P1.3
7 PQRS
15
P1.4
6 MNO
5 JKL
4 GHI
3 DEF
2 ABC
1
FLASH/CALL WAITING
INTERCOM
HOLD
OFF
TALK LINE2
TALK LINE2
TALK LINE1
KEY MATRIX
S1045 – 1067
TALK LINE1
BUZZER DRIVE
RINGER
86
Q1009
AIN
90
B+ SWITCH
Q2001, 2004
BUFFER
EAOUT
87
Q2002
BUFFER
EAIN
88
Q2003
P6.4
7
P6.5
8
P6.0
3
11
LCD DB4
P6.1
4
12
LCD DB5
P6.2
5
13
LCD DB6
LCD2
P6.3
6
14
LCD DB7
LIQUID
CRYSTAL
DISPLAY
P7.5
16
10
LCD E
P7.6
17
9
LCD R/W
P7.7
18
8
LCD RS
D2001
GP100
42
TALK
LINE1
ASIC
U1001
D2002
GP101
43
TALK
LINE2
D1023 – 1028
LED DRIVE
D1032, 1033
Q1002
(LCD BACK LIGHT)
P1.1
12
B+ SWITCH
RX PWR B+
(FOR RX SYSTEM)
Q1006
GPIO4/TST0
56
B+ SWITCH
TX PWR B+
(FOR TX SYSTEM)
Q1007
GPIO3/MON3
57
RESET
54
ASIC (U1001), EEPROM
(U1006), LCD, LED B+
REGCTL
76
D1030
REGULATOR
Q1010, 1014
P1.0
11
– 30 –
U1005
(SPEAKER)
U1002
(BUZZER)
U1003
(MIC)
B+
J2001
I
• SIGNAL PATH
: RX
: TX
: BELL
REGULATOR
U1007
RECHARGEBLE
BATTERY PACK
(BP-T23)
REGULATOR
Q1004
+
RECT
CHARGE
D1003, 1004
TERMINAL
–
CHARGE ON
DETECT
Q1008
Advertisement
Table of Contents
