Sony SPP-A973 - Cordless Telephone With Answering System, Руководство по обслуживанию

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4-1. BLOCK DIAGRAM — BASE UNIT SECTION —
SPP-A973/A974
– 21 – – 22 –
SECTION 4
DIAGRAMS
67
PLL REF
DSIN
TXDATA
APIN2
GPIO2/MONO2
GPIO5/TST1
APO
AON
P1.1
P1.7
P6.2
P1.5
P6.5
P6.1
P6.0
P6.3
P5.4
P4.0
P1.6
55
63 SCLK
62 SOUT
59 SIN
48 XTAL2
49 XTAL1
57 GPIO3/MON3
42
18 20
GPIO0
2 DVCC1
AVCC1 78
76 REG CTRL
74 VBAT
14 P1.3
64
68
79
58
4
10
1
5
9
PLL REF
RX AUDIO
TX DATA
RSSI
PLL EN
8 SER DATA OUT
7 SER CLK
3 RX PWR
11 TX PWR
CS
SK
DI
DO
RF UNIT (BU)
1
2
3
4
EEPROM
U4002
43 GPIO1
5V
POWER
CONTROL
Q4003
REG
U1001
LED DRIVE
Q3
REG
U2
HANDSET
CHARGE
Q1006
CHARGE DET
Q1008
REG
U4005
H
S4002
VOL
M
L
T
P
X4001
18.4MHz
83
84
12
AIN 90
ADIN1 80
P1.0 11
FSK 89
RINGER 86
P1.4 15
EAIN 88
5 21
16 50
17 48
8 47
4
55
58 57 62 8 59
6 5 4 24 7
SCL
SDA
36
39
LIFMIN2
LIFPOUT
56 LE
TI
EXIN
EXON
RSTN
LED CONTROL
U1
ANT4001
TELESCOPIC
ANTENNA
SYSTEM CONTROL
U4001
RECHARGEABLE
BATTERY
BP-T23
DC 3.6V
CHARGE
TERMINAL
04
• Signal Path
: TX (To Tel Line)
: RX (From Tel Line)
: bell
J1003
J1004
S4001
DIAL MODE
56 GPIO4/TST0
RF POWER
CONTROL
Q4001
3.2V
23
25
SPKRP
9
MA5
10
MA6
11
MA7
6 MA2
LED DRIVE
Q1,2
4 MA0
5
MA1
12 PCLK
11 SCLK
14 SER
MICP
DIGITAL TELEPHONE ANSWERING
U1
VIN
VO1
VO2
4
CD
1
SP1
SPEAKER
5
8
1
3
2
8
10
9
14
12
13
5
6
7
AMP
U1003
HOOK DET
U1002
D1007-1009
J1006
LINE
SPEAKER AMP
U4004
T1001
Q1007
BATT DET
Q1001
D7
SPARE BATTERY
J1002
J1005
J1001
DC IN 9V
14-18
75-77
RESET
Q3
D1 NEW CALL
3
D8 CHARGE
6
34
35
D9 IN USE
KEY MATRIX
S1-S13
ROW0-4 ROW0-4
COL0-2 COL0-2
+5V +2.8V
D2,4,5,6
P4.3 FSK FSD FSI MA4
CS
SCK
SI
SO
RESET
MEMORY
U3
D3
Q1-6,CD
S14
HANDSET
LOCATOR
!
U4003
MIC