Sony SPP-ID975 - Cordless Telephone, Service Manual

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16 15 14 13 12 11 10 9
8
SHIFT REGISTER
7 6 5 4 3 2 1
GND
PARALLEL DATA
OUTPUT
VCC
QA
A
SQH
RESET SERIAL DATA OUTPUT SHIFT CLOCK LATCH CLOCK OUTPUT ENABLE SERIAL DATA INPUT PARALLEL DATA OUTPUT
QB QC QD QE
QF
QG QH
LATCH
LCD1001
J1003, 1004
1
2
4
18
17
3
U1003
U1005
ANT1001
5
6
15
19
7
8
9
9
10
11
9
12
13
14
13
9
16
J1001, 1002
+
8 7 6 5
4 3 2 1
_
+
_
VO2
CD
CF 2 CF 1
V in
GN
D
Vcc VO1
BIAS
CIRCUIT
+
28
1 2 3 4 5 6 7 8 9 10 11 12 13 14
27 26 25 24 23 22 21 20 19 18 17 16 15
–
+
–
+ –
+ –
+ –
R
R
400
BIAS
BACK GROUND
NOISE MONITER
BACK GROUND
NOISE MONITER
ATT CONTROL
AGC
LEVEL DET
LEVEL DET
15mV
VR
VR
VR
VR
RX ATT
DP-DET
VCC
R
R
TX ATT
FILTER
GND
FO
FI
CO
Vcc
HTO(+) HTO(–)
NTI
TXO
TXI
WCO
WCI
MUTE
VCL
CT
CPR PU1
PLO1 TLO1
TU1 RX0 RX1 RLI2
RLO2 TLO2
TLI2 CPT
V8
SECTION 5
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
Ref. No. Part No. Description Remark
5-1. HANDSET SECTION
R
Ref. No. Part No. Description Remark
• Accessories and packing materials are
given in the last of this parts list.
• IC Block Diagrams
U1006, 3007 CAT93C86S-LE10
U3001 MC74HC595AF
U3004 MC34118DW
U3005 MC34119D
– 41 – – 42 –
R
1 8
2
3
4
INSTRUCTION
DECODER, CONTROL
LOGIC AND CLOCK
GENERATORS INSTRUCTION
REGISTER
ADDRESS
REGISTER
DECODER
IOF 1024
(or 2048)
DATA OUT
BUFFER
EEPROM ARRAY 16384 BIT
& (1024X16) or (2048X8)
READ WRITE AMPS
DATA IN/OUT RESISTER
16 (or 8) BITS
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
VCC
7 NC
6 ORG
5 VSS DO
DI
SK
CS
1 3-038-148-01 KEY (HS), RUBBER (ID975)
1 3-038-148-11 KEY (HS), RUBBER (ID976)
2 3-038-075-01 CASE (FR)
3 3-041-211-01 RUBBER, MICROPHONE
4 3-038-081-01 LENS (HS)
5 3-041-520-01 HOLDER (HS), LCD
6 3-041-537-01 RING, CUSHION RECEIVER
7 3-041-212-01 CUSHION, SPEAKER
8 A-3672-875-A RF UNIT (HS)
9 7-685-548-19 SCREW +BTP 3X12 TYPE2 N-S
10 3-038-076-01 CASE (REAR)
11 3-038-083-01 LID (HS), BATTERY CASE
12 4-356-741-21 SCREW, TAPPING (BIND 2X8)
13 4-356-741-11 SCREW, TAPPING (BIND 2X6)
14 3-038-085-01 KNOB (HS), VOLUME
15 3-041-535-01 FELT, RX
*
16 A-3672-876-A HAND MAIN BOARD, COMPLETE (ID975)
*
16 A-3672-897-A HAND MAIN BOARD, COMPLETE (ID976)
17 3-038-084-01 DIFFUSER (HS)
18 3-041-536-01 SHEET
19 3-041-547-01 COVER (HS), HOOK
ANT1001 1-754-103-11 ANTENNA
J1001
3-041-208-01 TERMINAL, CHARGE
J1002 3-041-208-01 TERMINAL, CHARGE
J1003 3-041-210-01 TERMINAL, BATTERY
J1004 3-041-210-01 TERMINAL, BATTERY
LCD1001 1-803-832-11 LCD MODULE
U1003
1-542-260-31 MICROPHONE, ELECTRET CONDENSER
U1005 1-505-593-11 SPEAKER (2.8cm)