Sony SPP-A985 - Cordless Telephone With Answering System, Service Manual

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SPP-A985
4-1. BLOCK DIAGRAM – BASE UNIT SECTION –
SECTION 4
DIAGRAMS
9 8
9 8
67
PLL REF
DSIN
TXDATA
APIN2
GPIO2/MONO2
GPIO5/TST1
AON
AOP
P1.1
P6.5
P5.0
P5.4
55
63 SCLK
62 SOUT
59 SIN
48 XTAL2
49 XTAL1
50 DOUT1
D3001
57 GPIO3/MON3
42 GPIO0
2 DVCC1
AVCC1 78
76 REG CTRL
74 VBAT
14 P1.3
68
64
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
BASE
RF UNIT (BU)
1
2
3
4
EEPROM
U3007
43 GPIO1
5V
POWER
CONTROL
Q3001
+5V REG
U1001
D1001
HANDSET
CHARGE
Q1006
CHARGE DET
Q1008
REG
U3008
H
S3002
RINGER
LEVEL
M
L
T
P
X3001
18.4MHz
84
83
12
AIN 90
P1.0 11
A DIN 1 80
FSK 89
RINGER 86
EAOUT 87
EAIN 88
LCD DB4
LCD DB5
11
14
8 12
SCLK
A
LCLK
LCD DB6
LCD DB7
LCD E
LCD R/W
LCD RS
LCD MODULE BOARD
30
I
34
35
I
39
16
I
18
20
9
I
15
3
I
4
ROW0-ROW4
COL0-COL4
ANT3001
TELESCOPIC
ANTENNA
SYSTEM
CONTROL
U3003
I
P4.0
P4.4
I
RECHARGEABLE
BATTERY
BP-T23
DC 3.6V
CHARGE
TERMINAL
(FOR HANDSET)
02
• Signal Path
: TX (To Tel Line)
: RX (From Tel Line)
: bell
J1003
J1004
S3001
DIAL MODE
56 GPIO4/TST0
RF POWER
CONTROL
Q3008
3.2V
(MCU PWR)
KEY MATRIX
S1-S21
KEY MATRIX
S22-S32
7
6
6
8
7
Q7
Q6
Q0-Q5
LED CONTROL
U3001
MIX
U6001
(4/4)
RI INPUT -
OUTPUT1
OUTPUT2
5 9 10
RECO
22
+
MIC
MUTE
11
12
MUTE
7
U3006
MIC
SP1
SPEAKER
3
6
HOOK
SWITCH
U1002
AMP
Q6002
AMP
Q6003
LINE
CONDITION MONITOR
U1003
(4/4)
D1007-1010
W1001 1
2
SPEAKER AMP
U3005
T1001
TEL AMP
U6001
(1/4,2/4)
TEL AMP
U1003
(1/4)
BPF
U6001
(4/3)
RINGER DETECT
U1003
(3/4)
RINGER DETECT
U1003
(2/4)
SPEECH PATH
U3004
D9,11-13,16
Q1007
SWITCH
Q1001
D10
SPARE BATTERY
J1002
J1005
13 P1.2
75 BATMON
21
1
3 4
5
1
1.5
15
!
J1001
DC IN 9V
LIFP OUT
ITAD HOOK SW
BU HOOK SW
LINE 2
LINE CON0
ITAD SPK OUT
LIFP OUT
ITAD HOOK SW
BU HOOK SW
LINE 2
ITAD LINE
J4
J3
ITAD SP EN
ITAD ROW0-ROW4
SEG A-G
SEG A-D
CAD 1
CAD 2
LED DRIVER
Q5-8
MESSAGE
COUNTER
7 SEGMENT
LED DISPLAY
LED000
ITAD COL0-COL2
DIR 7SEG 01
DIR 7SEG 02
DIR LED SEL
SEG A
SEG A
LCD BL
P6.0
P6.2
P6.3
P1.5
P1.6
P1.7
P6.4
P6.1
KEY LIGHT
KEY LIGHT
LED DRIVE
Q3,4
D6-8,14
ITAD ROW0
ITAD ROW4
ITAD COL0
ITAD COL2
( )
3 5
4 6
5 7
6 8
16 4
18
3 17
2
7 9
HYBRID
AMP MIC
AMP
14
12
13
5
1
2
3
7
5
6
7
1
6
2 +
+
+
+
+
4
18
3
10
1
11
BASE KEY BOARD (1/2)
I-TAD BOARD
BASE MAIN BOARD
Ref No.
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20,D11
S21,D13
S22
S23
S24,D14
S25,D8
S26,D7
S27,D6
S28
S29
S30
S31
S32
D9
D10
D12
D16 PANEL DESIGNATION
VOL-
VOL+
"1"
"2" ABC
"3" DEF
PGM
"4" GHI
"5" JKL
"6" MNO
REDIAL/PAUSE
"7" PQRS
"8"TUV
"9" WXYZ
SPEED DIAL
"*"
"0" OPER
"#" TONE
CALL WAITING/FLASH
HOLD
SPEAKER PHONE
INTERCOM
REC/MEMO
ERASE
ANSWER ON/OFF
MAIL BOX 1 PLAY/STOP
MAIL BOX 2 PLAY/STOP
MAIL BOX 3 PLAY/STOP
SLOW REPEAT
QUICK SKIP
MENU
SELECT
TIME/SET
LINE
SPEAR BATT
CHARGE
NEW CALL
BASE KEY BOARD (2/2)
J1008
LINE
2 13 14 2 1 LPF