SPP-A2480/S2430
– 35 –
– 36 –
4-2.
BLOCK DIAGRAM – HANDSET Section –
ANT201
(ANTENNA)
27
SP AMP POWER CONT
38
5
37
6
E2PROM SCL
E2PROM SDA
SCL
SDA
EEPROM
IC52
SYSTEM CONTROLLER
IC51
20, 21, 24 – 26
14 – 18
COL1 – COL5
ROW2 – ROW6
K704 – 709, K711 – 718,
K720 – 724, K726 – 730
22
23
12
JOG PUSH
RING OFF SW DET
JOG B
JOG A
JOG1
(JOG)
5
RING
S2
OFF
ON
3.3V
B+
SPEAKER ON
SWITCH
Q31
3.3V
B+
SPEAKER
AMP
Q103
VOL
S1
MUTING
Q102
6
30
64
4
1
3
63
2
32
9
53
41
40
28
29
48
50
31
61
51
1
BUZZER DRIVE
Q104
•
SIGNAL PATH
: RX
: TX
: BELL
05
Ref No.
K704
K705
K707
K708
K711
K712
K713
K715
K716
PANEL DESIGNATION
TALK
PAUSE REDIAL
.
REPEAT 1 (SPP-A2480)
1 (SPP-S2430)
CALL WAITING FLASH
INTERCOM
REVIEW 4 GHI (SPP-A2480)
4 GHI (SPP-S2430)
LONG DIST. SAVER
7 PQRS
OFF
PLAY BACK HOLD (SPP-A2480)
HOLD (SPP-S2430)
TONE
PROGRAM
Ref No.
K717
K718
K720
K721
K722
K723
K724
K728
K729
K730
PANEL DESIGNATION
ERASE
ONE-TOUCH DIAL A
2 ABC
5 JKL
8 TUV
0 OPER
ONE-TOUCH DIAL B
>
SKIP 3 DEF (SPP-A2480)
3 DEF (SPP-S2430)
QUICK 6 MNO (SPP-A2480)
6 MNO (SPP-S2430)
9 WXYZ
#
ONE-TOUCH DIAL C
RING OUTPUT
BUZZER VOL
LCD SDA
LCD SCL
LCD CS
LCD CONTROL
RESET
LED CONT (LCD)
LED CONT (KEY)
SS POWER CONT (STAND-BY)
SS POWER CONT (TALK)
DIS CHG (WAKE UP)
WAKE UP
LOW BAT DET
CHARGE DET
BATT POWER FAIL
RESET
SP1
(SPEAKER)
MIC1
(MIC)
BZ1
(BUZZER)
SDA
SCL
CS
VCI
LCD201
LIQUID
CRYSTAL
DISPLAY
MODULE
3.3V
B+
RESET SIGNAL
GENERATOR
IC53
CHARGE ON
DETECT
Q107
+3.3V
REGULATOR
IC101, Q108
VOLTAGE
DETECT
IC102
CHARGE ON
DETECT
Q106
LED DRIVE
Q52
LED DRIVE
Q51
B+ SWITCH
Q1
+
–
D52 – 55
(KEY BACK LIGHT)
D56 – 58
(LCD BACK LIGHT)
RF UNIT
(RF1) B+
CODEC (IC31), SYSTEM
CONTROLLER (IC51),
EEPROM (IC52), LCD B+
BATT
B+
BATT
B+
D102
RECHARGEABLE
BATTERY PACK
(BP-T24)
CHARGE
TERMINAL
J1
I
B+ SWITCH
Q2
CLOCK GENERATOR
(IC33) B+
14
15
25
24
12
13
23 22 20 19 11 17 18
46
3 2 4 47 52 45
11
3
44
15
PCM
COMPRESSOR
L. P. F.
ADPCM
B. P. F.
PCM
EXPANDER
D/A
CONVERTER
A/D
CONVERTER
IS
IR
VFRO
AIN–
CODEC RESET
SS SPI DIN
SS SPI DOUT
SS SPI CLK
SS PWR DOWN CONT
SS IRQ
SS SPI EN
CODEC
IC31
26
27
23
22
PCMRO
PCMSI
PCMSO
PCMRI
28
29
20
CLOCK
GENERATOR
IC33
X31
10.368MHz
SYNC
BCLK
PCMB SYN
PCMB CLK
TXAD PCM
RXAD PCM
SS SPI RESET
SPI OUT
SPI IN
SPI CLK
SPI EN
IRQ
POW DWN
RESET
VOLUME
CONTROL
S1
HEADSET
AMP
Q101
MCK
PDN
8
ANT
SP AMP
B+
TEL AMP
Q32
AF AMP
IC32
58
57
CF2
CF1
X51
6MHz
RF1
RF UNIT
K706
K709
K714
K726
K727