Sony SPP-A968 - Cordless Telephone User manual

MICROFILM
SERVICE MANUAL
General
Spread method
Direct-Sequence Spread-Spectrum
Access method
FDMA-TDD
Frequency band
902 - 928 MHz
Operating channel
20 channels
Dial signal
Tone, 10 PPS (pulse) selectable
Supplied accessories
AC power adaptor (AC-T46)
Telephone line cords (2)
Wall bracket/stand for base unit
Rechargeable battery pack (BT-T24)
Handset
Power source
Rechargeable battery pack BP-T24
Battery life
Standby: Approx. 10 days (RING ON
mode)
Approx. 1 month (RING OFF
mode)
Talk: Approx. 6 hours
Dimensions
Approx. 2
3
⁄ 8 x 7 x 1
13
⁄ 16 inches (w/h/d),
antenna excluded
(approx. 58 x 177 x 46 mm)
Antenna: 2
7
⁄ 8 inches (72 mm)
Mass
Approx. 9 oz (approx. 260 g), battery
included
Base unit
Power source
DC 9V from AC power adaptor AC-T46
Battery charging time
Approx. 12 hours
Dimensions
Approx. 6
3
⁄ 4 x 2
3
⁄ 8 x 8
1
⁄ 2 inches (w/h/d),
antenna excluded
(approx. 170 x 60 x 214 mm)
Antenna: 6
1
⁄ 2 inches (165 mm)
Mass
Approx. 18 oz (approx. 520 g), wall bracket
excluded
Answering machine
Maximum recording time
About 20 minutes, using incorporated IC
Greeting message
Up to 4 minutes
Incoming message
Up to 4 minutes/message
Memo
Up to 4 minutes/message
Design and specifications are subject to
change without notice.
CORDLESS TELEPHONE
WITH ANSWERING SYSTEM
US Model
Canadian Model
SPECIFICATIONS
SPP-A968

3232
SPP-A968
6-5. SCHEMATIC DIAGRAM – BASE MAIN Board (1/3) – • See page 31 forWaveform. •See page 42 for IC Block Diagrams.
(Page 33)
(Page 34)

3333
SPP-A968
6-6. SCHEMATIC DIAGRAM – BASE MAIN Board (2/3), BASE MICROPHONE Board – • See page 31 forWaveform. •See page 42 for IC Block Diagrams.
(Page 32)
(Page 34)
(Page 34)

3434
SPP-A968
6-7. SCHEMATIC DIAGRAM – BASE MAIN Board (3/3) – • See page 31 forWaveform.
• Semiconductor
Location
(Side A)
Ref. No. Location
• Semiconductor
Location
(Side B)
Ref. No. Location
D100 B-5
D102 C-10
D103 C-10
D104 E-10
D105 G-10
D108 E-2
D109 G-2
D110 F-3
D111 B-9
D112 B-9
D113 C-9
D114 C-10
D115 D-9
D150 F-5
D160 D-6
D161 D-6
D162 E-6
D163 C-6
D164 C-6
D165 E-5
D201 J-9
D202 J-10
D242 H-4
D402 I-7
D403 I-7
D404 G-6
D405 H-5
D407 H-5
D501 N-2
D502 N-2
IC401 H-6
IC601 C-5
IC851 J-6
PH101 F-10
PH102 C-7
PH103 B-7
Q101 E-7
Q102 F-9
Q104 G-8
Q105 D-10
Q106 D-9
Q107 C-8
Q108 E-6
Q109 F-5
Q171 H-9
Q402 I-7
Q403 J-7
Q502 N-3
Q504 L-4
Q505 M-4
Q506 L-3
D241 H-3
D243 M-5
D406 J-6
IC101 H-8
IC150 E-5
IC201 J-3
IC301 L-4
IC501 M-4
IC602 G-3
IC701 F-2
IC751 D-2
IC951 B-3
Q103 F-5
Q150 H-8
Q401 J-7
Q406 I-7
Q407 H-7
Q503 K-4
Q507 K-3
Q952 H-4
(Page 33)
(Page 32)
(Page
37)
(Page 39)
(Page 39)

3737
SPP-A968
6-10. SCHEMATIC DIAGRAM – DSP Board – • See page 31 for Waveforms. •See page 42 for IC Block Diagrams.
(Page 34)

3939
SPP-A968
6-12. SCHEMATIC DIAGRAM – BASE KEY Board –
(Page 34)
(Page 34)

4141
SPP-A968
6-14. SCHEMATIC DIAGRAM – HAND MAIN Board – • See page 31 for Waveform. •See page 42 for IC Block Diagrams.

4242
+
–
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
BAND-PASS
FILTER
2.4V
REFERENCE
RECEIVE
SHIFT
REGISTOR
TRANSMIT
SHIFT
REGISTOR
SEQUENCE
AND
CONTROL
1.575V
REF
ADCDAC
SHARED
DAC
BAND-PASS
FILTER
+
–
18
19
17
20 VAG
TI+
TI–
TG
MU/A
VSS
FST
DT
BCLKT
MCLKPDI
BCLKR
DR
FSR
VDD
PO+
PO–
PI
RO–
RO+
–1
1
3
4
5
6
7
8
9
10
16
15
14
1312
11
+
–
BIAS
GENERATOR
ANTI-ALIAS
FILTER
OSCILLATOR
ALERT SIGNAL
HIGH TONE
FILTER
ALERT SIGNAL
LOW TONE
FILTER
TONE
DETECTION
ALGORITHM
GUARD
TIME
INTERRUPT
GENERATOR
CARRIER
DETECTOR
FSK
DEMODUL-
ATOR
FSK
BANDPASS
FILTER
DATA
TIMING
RECOVERY
24
23
22
21
20
19
18
17
1
2
IN+
IN–
GS
VREF
CAP
TRIGIN
TRIGRC
TRIGOUT
MODE
OSCIN
OSCOUT
VSS IC
PWDN
FSKEN
DCLK
DATA
DR
CD
INT
STD
EST
ST/GT
VDD
TO
INTERNAL
CCL
TO
INTERNAL
CCL
• IC Block Diagrams
IC1 MC14LC5480DWR2 (DSP Board)
IC3 KM29N040T (DSP Board) (Not Supplied)
IC401 10497-15 (HAND MAIN Board)
IC701 10497-15 (BASE MAIN Board)
40 39 38 37 23 22 2124252627282930313233343536
COMMAND
REGISTER
COMMAND
A0-A7
A8-A18
COMMAND
REGISTER
X-BUFFERS
LATCHES
& DECODERS
Y-BUFFERS
LATCHES
& DECODERS
4M Bit
NAND FLASH ARRAY
32BYTE
x 4FRAME
x 4086ROW
PAGE REGISTER & S/A
Y-GATING
I/O BUFFER & LATCHES
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
GLOBAL BUFFERS
VCC GND NC NC NC NC NC NC NC NC NC NC I/O 7 I/O 6 I/O 5 I/O 4 VCC CE RE R/B
VSS
CLE ALE
WE
WP
NC NC NC NC NC NC NC NC NC NC
I/O 0 I/O 1 I/O 2 I/O 3
VSS
12 3 45 6 7 8
9
10
16
15
14
13
12
11
MODULATOR
& FILTER
CONTROL
REGISTOR
16 BIT
REGISTOR
16 BIT
REGISTOR
MODULATOR
& FILTER
1719 182021222324
28
29
30
27
26
25
31
32
VOXRNT
VOXSND
AVDD
LINE-IN
AVSS
MICIN
RBIAS
NC
REFCNTL XCLKO NC ICLK FRAM SPKPO SPKMO LINEO
RESETB
MCLK
DVSS
DATAI
DATAO
DVDD
NC
NC
NC NC NC NC NC
AGND
VREF
MICBIAS
IC150 MT88E43 (BASE MAIN Board)
IC502 S-24C16AFJA-TB-01 (HAND MAIN Board)
START/STOP
DETECTION
CIRCUIT
SERIAL CLOCK
CONTROL
CIRCUIT
DEVICE ADDRESS
COMPARATOR
HIGH VOLTAGE
GENERATOR
DATA OUTPUT/
ACK OUTPUT
CONTROL
CIRCUIT
DATA
REGISTER
EEPROM
SELECTOR
ADDRESS
COUNTER
Y DECODER
DOUT
DIN
R/W
COMP
LOAD
X DECODER
LOAD INC
VCC WP SCL SDA
A0 (GND) A1 (GND) A2 (GND)
GND
8 7 6 5
1 2 3 4
+
8 7 6 5
4321
_
+
_
VO2
CD
CF 2 CF 1
V in
GN
D
Vcc VO1
BIAS
CIRCUIT
IC851 MC34119DR2 (BASE MAIN Board)

43
IC951 S-24C01AFJA-TB-01 (BASE MAIN Board)
START/STOP
DETECTION
CIRCUIT
SERIAL CLOCK
CONTROL
CIRCUIT
DEVICE ADDRESS
COMPARATOR
HIGH VOLTAGE
GENERATOR
DATA OUTPUT/
ACK OUTPUT
CONTROL
CIRCUIT
DATA
REGISTER
EEPROM
SELECTOR
ADDRESS
COUNTER
Y DECODER
DOUT
DIN
R/W
COMP
LOAD
X DECODER
LOAD INC
VCC TEST SCL SDA
A0 A1 A2
GND
8 7 6 5
1 2 3 4