8. ELECTRICAL PARTS LIST.................................... 26
After correcting the original service problem, perform the
following safety check before releasing the set to the customer :
Check the antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage. Check
leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5mA (500 microampers).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM
or battery-operated AC voltmeter . The “limit” indication is 0.75V,
so analog meters must have an accurate low-voltage scale. The
Simpson 250 and Sanwa SH-63Trd are examples of a passive
VOM that is suitable. Nearly all battery operated digital
multimeters that have a 2V AC range are suitable. (See Fig. A)
To Exposed Metal
Parts on Set
0.15
1.5k
µ
F
Ω
AC
voltmeter
(0.75V)
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
• HOW TO CHANGE THE CERAMIC FILTER
This model is used two ceramic filters of CF3 and CF1.
You must use same type of color marked ceramic filters in order
to meet same specifications.
Therefore, the ceramic filter must change two pieces together since
it’s supply two pieces in package as a spare parts.
mark
mark
Mark
Center
frequency
red10.70MHz
CF3
CF1
blue10.67MHz
orange 10.73MHz
black10.64MHz
white10.76MHz
Earth Ground
Fig. A. Using an AC voltmeter to check AC leakage.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH
MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS P AR UNE MARQUE ! SUR LES
DIAGRAMMES SCHÉMA TIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
– 2 –
Page 3
LOCATION AND FUNCTION OF CONTROLS
SECTION 1
GENERAL
This section is extracted from
instruction manual.
TONE
OPER
– 3 –
Page 4
– 4 –
Page 5
– 5 –
Page 6
– 6 –
Page 7
SECTION 2
)
y
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
Note : Follow the installation procedure in the numerical order given.
Marking (A)
A
Pointer
1
4
2
Knob (Vol)
3
Marking
Knob (tuning)
5
6
Turn the knob (VOL) to the
arrow direction fully
A
Making portion
of the knob (VOL)
within arrow A
marked area,
then attach it
4
Install the main board
2
Turn the shaft of CV1 to
the arrow direction fully
Cabinet (lower)
– 9 –
CV1
RV1
3
Turn the RV1 to the arrow direction fully
1
Turn the knob (tuning) to the
arrow direction fully
Knob
(tuning)
A
B
Page 10
SECTION 4
TEST MODE
1. Key Input Test
(1) Press the [PR OG] , [ERASE] , [*], [0], [#] buttons simultaneously .
(2) A beep tone sounds and test mode is now set.
(3) Press the [1] button to set the test mode to key input.
(4) A beep tone sounds each time the [CALLW AITIN/FLASH] , [SPEED] ,
[REDIAL/P AUSE] …… are pressed (order button is pressed does
not matter). Except for the [ONHOOK] button.
2. EEPROM Memory Test & Erasure
(1) Press the [PR OG] , [ERASE] , [*], [0], [#] buttons simultaneously .
(2) A beep tone sounds and test mode is now set.
(3) Press the [2] button to set the EEPROM test mode.
(4) A beep tone sounds, the message [EEPROMTESTING] appears
and testing starts.
3. LCD Test
(1) Press [3] button to set LCD test mode. All LCDs light up.
4. Power Failure Test
(1) Press the [PR OG] , [ERASE] , [*], [0], [#] buttons simultaneously .
(2) A beep tone sounds and test mode is now set.
(3) Remove the power cord from the plug socket (outlet) and plug
it back in once again. The following message appears on the
LCD display.
POWER FAIL OK
– 10 –
Page 11
SECTION 5
6
r
t
ELECTRICAL ADJUSTMENTS
TUNER SECTION
• RADIO switch: ON
• VOLUME: MIN
AM Section
BAND : AM
AM RF signal
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
FM Section
BAND : FM
FM RF signal
generator
22.5kHz frequency deviation
by 400Hz signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
µ
8
Ω
0.01 F
L
level mete
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
AM IF ALIGNMENT
Adjust for a maximum reading on level meter.
T1455kHz
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4520kHz
CT21,650kHz
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1600kHz
CT11,400kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L386.5MHz
CT4109.5MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
confirmation86.5MHz
CT3109.5MHz
set
Adjustment Location :
[MAIN BOARD] (Component side)
speaker output
T1: AM IF Alignment
L1 : AM Tracking Adjustment
IC1
CT3 : FM Tracking Adjustment
CT1 : AM Tracking Adjustmen
L4 : AM Frequency
Coverage Adjustment
CT2 : AM Frequency Coverage Adjustment
L3 : FM Frequency Coverage Adjustment
CT4 : FM Frequency Coverage Adjustment
– 11 –
Page 12
SECTION 6
DIAGRAMS
6-1. EXPLANATION OF IC TERMINALS
IC602 TMP47C853F (SYSTEM CONTROL)
Pin No.Pin nameI/ODescription
1DEOData enable output terminal.
2R/WORead/write select signal output. 0 : Write, 1 : Read
3RSORegister select signal output.
4HOOKIHook switch DET.
5KO4IKey return input.
6KO5IKey return input.
7SP MUTEOMute signal output.
8AUTO INTIAuto initial DET terminal.
9WT0–Not used (“H” : Level).
10STDIDual tone alert signal delayed steering input.
11XT IN–Not used (Open).
12BELLIRinger signal detect.
13SCKOSerial clock output to EEPROM.
14DATAI/OSerial data input/output terminal.
15CSOChip select output to EEPROM.
16VSS–Ground.
17NC–Not used (Open).
18T TONEOBeep signal output.
19DPODial pulse control signal output.
20LINE CNTOTel line control signal output.
21TONEODTMF signal output.
22KO0IKey return input.
23KO1IKey return input.
24KO2IKey return input.
25KO3IKey return input.
26TESTITest mode terminal. “L” : Normal
27X INISystem clock oscillator (960kHz).
28X OUTOSystem clock oscillator (960kHz).
29RESETISystem reset terminal.
30HOLDIPower failuer DET terminal.
31RADIO CNTORadio signal output control.
32BACK-UPIBack-up DET terminal.
33DATAIData input from IC301.
34TEL MUTEOMute signal output to speech network IC (IC101).
35PH0 MUTEOReceiver signal mute output.
36ALERTOFSK enable output.
37TONE/PULSEITone/pulse select input terminal.
38NC–Not used (Open).
39VDD–Power supply (3V).
40ROW 0OKey source output.
41ROW 1OKey source output.
42ROW 2OKey source output.
43ROW 3OKey source output.
44LCD RSTOReset signal output to LCD driver IC (IC604).
–––––––––––––––––
– 12 –
Page 13
6-2. BLOCK DIAGRAM
SCT-ID10
– 13 –– 14 –
• Signal path.
F: FM
N: RX (From Tel Line)
O: TX (To Tel Line)
P: bell
Page 14
SCT-ID10
r
SEMICONDUCTOR
LOCATION
Ref. No.Location
D1I-9
D2H-11
D3H-10
D4H-10
D5E-8
D6F-9
D7F-9
D101E-13
D102E-13
D103E-13
D104E-13
D105F-13
D106E-13
D107G-12
D108G-13
D109F-13
D110F-6
D111(A)E-12
D111(B)I-4
D112D-14
D201E-14
6-3. PRINTED WIRING BOARDS (MAIN SECTION)
D202F-14
D203E-14
D204E-14
D205F-14
D206D-15
D301F-11
D302H-11
D401F-6
D501E-10
D502F-10
D503E-12
D504F-8
D505E-10
IC1F-4
IC2H-9
IC101H-5
IC104F-6
IC201F-14
IC301H-13
Q1G-4
Q2E-5
Q3E-8
Q101F-13
Q102F-13
Q103G-13
Q104F-12
Q105G-12
Q106F-7
Q401F-6
Q501E-10
Note:
• X : parts extracted from the component side.
•p: parts mounted on the conductor side.
• b : Pattern on the side which is seen.
– 15 –– 16 –
Page 15
6-4. SCHEMATIC DIAGRAM (MAIN SECTION)
p
r
Refer to page 23 for IC Block Diagrams.
SCT-ID10
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
•¢: internal component.
Note:Note:
The components identi- Les composants identifiés
fied by mark ! or dotted par une marque ! sont criline with mark ! are cri- tiques pour la sécurité.
tical for safety.Ne les remplacer que par
Replace only with partune piéce portant le
number specified.numéro spécifié.
4
W or less unless otherwise
• U : B+ Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM (RADIO SECTION)
TALK (TELEPHONE SECTION)
( ) : AM (RADIO SECTION)
• V oltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F: FM
N: RX (From Tel Line)
O: TX (To Tel Line)
P: bell
r
WA VEFORM
1
IC301 !º
0.2Vp-
0.34 µsec
VOLT/DIV : 0.1V AC
TIME/DIV : 0.2 µsec
– 17 –– 18 –
Page 16
SCT-ID10
r
SEMICONDUCTOR
LOCATION
Ref. No.Location
D601I-13
D602J-13
D603J-14
D604E-10
D605E-11
D606D-8
D607D-9
D608I-13
D609B-13
D610H-12
IC601I-12
IC602F-10
IC603H-9
IC604C-10
Q601H-10
6-5. PRINTED WIRING BOARDS (KEY SECTION)
Note:
• X : parts extracted from the component side.
•p: parts mounted on the conductor side.
r
•
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:Parts on the pattern face side seen from
(Conductor Side)the pattern face are indicated.
Parts face side:Parts on the parts face side seen from
(Component Side)the par ts face are indicated.
: Through hole.
• Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum capacitor, because it is damaged by the heat.
– 19 –– 20 –
Page 17
6-6. SCHEMATIC DIAGRAM (KEY SECTION)
p
r
Refer to page 23 for IC Block Diagrams.
SCT-ID10
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
¢
•
• U : B+ Line.
• Voltages and waveforms are dc with respect to ground
: internal component.
under no-signal conditions.
no mark : FM (RADIO SECTION)
4
W or less unless otherwise
r
WA VEFORM
• V oltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
1
0.6Vp-
1 µsec
IC602 @¶
VOLT/DIV : 0.2V AC
TIME/DIV : 0.5 µsec
– 21 –– 22 –
Page 18
E
r
d
IC BLOCK DIAGRAMS
IC101 BA6566
TO
181716151413121110
VL
AGC
TRANSMIT
TC
TI 1
MIC
PRE
TI 2
10k10k
VB
10k
DTMF
PRE
MF
10k
MU
MUTE
INTERFACE
R1
VBVB
10k
RCV
PRE
SECTION 7
EXPLODED VIEWS
NOTE :
RC
AT
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
VB
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
10k
10k
delay should be anticipated when ordering
these items.
AT
10k
PRE
7-1. BASE UNIT SECTION
• The mechanical parts with no reference
number in the exploded views are not
supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
The components identified by mark !
or dotted line with mark ! are critical
for safety.
Replace only with part number specified.
Les composants identifiés par une
marque ! sont critiques pour la sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
D6068-719-988-82 DIODE RB715F
D6078-719-988-82 DIODE RB715F
D6088-719-991-09 LED SLP381F-51-A (LCD BACK-LIGHT)
D6098-719-991-09 LED SLP381F-51-A (LCD BACK-LIGHT)
D6108-719-941-86 DIODE DAN202U
< IC >
IC6018-759-440-91 IC S-80723SL-AL-T1
IC6028-759-529-21 IC TMP47C853F-K247
IC6038-759-535-04 IC BR93LC56F-E2
IC6048-759-529-23 IC NJU6469LFG1
< LIQUID CRYSTAL DISPLAY >
LCD601 1-803-112-11 DISPLAY PANEL, LIQUID CRYSTAL
ELECTRICAL PARTS LIST
• SEMICONDUCTORS
In each case, u : µ , for example :
uA.... : µ A.... , uPA.... : µ PA....
uPB.... : µ PB.... , uPC.... : µPC....
uPD.... : µ PD....
• CAPACITORS
uF : µ F
• COILS
uH : µ H
Q6018-729-620-06 TRANSISTOR 2SC3052-EF
R6011-216-105-11 RES,CHIP220K5%1/10W
R6021-216-105-11 RES,CHIP220K5%1/10W
R6041-216-073-00 METAL CHIP10K5%1/10W
R6061-216-073-00 METAL CHIP10K5%1/10W
R6071-216-073-00 METAL CHIP10K5%1/10W
R6081-216-073-00 METAL CHIP10K5%1/10W
R6091-216-065-11 RES,CHIP4.7K5%1/10W
R6101-216-073-00 METAL CHIP10K5%1/10W
R6111-216-105-11 RES,CHIP220K5%1/10W
R6121-216-105-11 RES,CHIP220K5%1/10W
R6341-216-105-11 RES,CHIP220K5%1/10W
R6361-216-085-00 METAL CHIP33K5%1/10W
R6371-216-101-00 METAL CHIP150K5%1/10W
R6381-216-097-11 METAL CHIP100K5%1/10W
R11-216-061-00 METAL CHIP3.3K5%1/10W
R21-216-089-11 RES,CHIP47K5%1/10W
R31-216-071-11 RES,CHIP8.2K5%1/10W
R51-216-017-11 RES,CHIP475%1/10W
R61-216-057-00 METAL CHIP2.2K5%1/10W
R71-216-097-11 RES,CHIP100K5%1/10W
R81-216-065-11 RES,CHIP4.7K5%1/10W
R91-216-097-11 RES,CHIP100K5%1/10W
R101-216-093-00 METAL CHIP68K5%1/10W
R111-216-073-00 METAL CHIP10K5%1/10W
R121-216-073-00 METAL CHIP10K5%1/10W
R131-216-073-00 METAL CHIP10K5%1/10W
R141-216-073-00 METAL CHIP10K5%1/10W
R151-216-113-00 METAL CHIP470K5%1/10W
R161-216-049-11 RES,CHIP1K5%1/10W
R1121-247-733-11 CARBON335%1/2W F
R1131-216-077-00 METAL CHIP15K5%1/10W
R1141-216-053-00 METAL CHIP1.5K5%1/10W
R1151-216-049-11 RES,CHIP1K5%1/10W
R1161-216-035-00 METAL CHIP2705%1/10W
R1171-216-041-00 METAL CHIP4705%1/10W
R1181-216-049-11 RES,CHIP1K5%1/10W
R1191-216-049-11 RES,CHIP1K5%1/10W
R1201-216-097-11 RES,CHIP100K5%1/10W
R1211-216-093-11 RES,CHIP68K5%1/10W
R1221-216-113-00 METAL CHIP470K5%1/10W
R1231-216-077-00 METAL CHIP15K5%1/10W
R1241-216-089-11 RES,CHIP47K5%1/10W
R1251-216-077-00 METAL CHIP15K5%1/10W
R1261-216-077-00 METAL CHIP15K5%1/10W
R1271-216-077-00 METAL CHIP15K5%1/10W
R1281-216-077-00 METAL CHIP15K5%1/10W
R1291-216-041-00 METAL CHIP4705%1/10W
R1301-216-063-11 RES,CHIP3.9K5%1/10W
R1311-216-053-00 METAL CHIP1.5K5%1/10W
R1321-249-401-11 CARBON475%1/4W
R1331-216-041-00 METAL CHIP4705%1/10W
R1341-216-029-00 METAL CHIP1505%1/10W
R1351-216-113-00 METAL CHIP470K5%1/10W
R1361-216-049-11 RES,CHIP1K5%1/10W
R1371-216-069-00 METAL CHIP6.8K5%1/10W
R1381-216-085-00 METAL CHIP33K5%1/10W
R1391-216-037-00 METAL CHIP3305%1/10W
R1401-216-061-00 METAL CHIP3.3K5%1/10W
R1411-216-097-11 RES,CHIP100K5%1/10W
R1421-216-097-11 RES,CHIP100K5%1/10W
R1431-216-065-11 RES,CHIP4.7K5%1/10W
R1491-247-887-00 CARBON220K5%1/4W
R2011-247-760-11 CARBON4.7K5%1/2W
R2021-216-067-00 METAL CHIP5.6K5%1/10W
R2031-216-109-00 METAL CHIP330K5%1/10W
R2041-216-105-11 RES,CHIP220K5%1/10W
R2051-216-085-00 METAL CHIP33K5%1/10W
R2061-216-079-00 METAL CHIP18K5%1/10W
R2071-216-295-11 SHORT0
R2081-216-109-00 METAL CHIP330K5%1/10W
R3011-259-878-11 CARBON1.5M5%1/4W