Sony ICF-C1200 Service Manual ▷ View online
11
ICF-C1200
Note on Schematic Diagram: MAIN SECTION
• All capacitors are in
µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
: B+ Line.
• H : adjustment for repair.
• Power voltage is dc 3V and fed with regulated dc power
• Power voltage is dc 3V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: Analog
f
: Digital
• Abbreviation
JE
: Tourist
z
Waveforms
1
IC301 ua XOUT
3
2
VOLT/DIV : 0.5 V AC
TIME/DIV : 2
TIME/DIV : 2
µsec
T401
VOLT/DIV : 1 V AC
TIME/DIV : 0.2
TIME/DIV : 0.2
µsec
VOLT/DIV : 10 V AC
TIME/DIV : 0.2
TIME/DIV : 0.2
µsec
1.3Vp-p
75kHz
5Vp-p
190nsec
Q401 C
33Vp-p
190nsec
12
ICF-C1200
• IC BLOCK DIAGRAMS
IC101 CX1238N-T4
IC201 CXA1522N-T4
30
29
4
5
6
7
8
9
10
11
12
13 14 15
3
2
1
28 27
26 25 24 23 22 21
20
19
18
17
16
REG
FM FRONT-END
AM FRONT-END
VCO
MPX REG.
1/2
COUNTER
1/2
COUNTER
PD1
PD2
MUTING
DECODER AMP
MONO/ST
SELECT
RIPPLE
FILTER
AUTOBLEND
BAND PASS
MUTE
TUNING
INDICATOR
FM IF/
DISCRI
AM
IF/DET
GND
PLL LPF
MPX REG
VCO
FM
DISCRI
MUTE
AM OSC
AFC
FM OSC
REG 1.25V
FM RF
AM RF IN
FM RF IN
BAND SELECT
AM IF IN
FM IF IN
TUNING
GND
VCC
L CH OUT
R CH OUT
VCO
PILOT LPF
DET
PLL LPF
AFC/AGC
AGC AFC
RIPPLE
FIL
TER
FE GND
FM/AM
FE OUT
REG
VOL
PRE+POWER1
PRE+POWER2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN1
REG
NF1
VOL
GND1
P-GND1
OUT1
VCC
IN2
NC
NC
NF2
GND2
P-GND2
OUT2
RIPPLE
ICF-C1200
13
SECTION 5
EXPLODED VIEWS
NOTE :
• -XX, -X mean standardized parts, so they
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
5-1. MAIN SECTION
16
17
15
13
12
11
10
9
8
7
6
14
30
5
4
3
34
2
2
29
1
6
19
18
18
20
31
32
21
33
26
27
28
18
22
23
24
25
not
supplied
supplied
LCD101
SP101
L102
16
ANT101
1
X-3380-789-1 CABINET,(REAR) ASSY
2
3-309-597-61 SCREW (1.4X6), TAPPING
3
3-229-746-01 MAGNET
4
3-229-729-01 LID, BATTERY CASE
5
3-309-597-31 SCREW (1.4), TAPPING,PRECISION
6
3-230-045-01 WASHER
7
3-309-597-01 SCREW (1.4), TAPPING
*
8
A-3021-421-A MAIN BOARD, COMPLETE (JE)
*
8
A-3021-422-A MAIN BOARD, COMPLETE (AEP,E)
*
8
A-3021-423-A MAIN BOARD, COMPLETE (US)
9
3-229-743-01 TERMINAL (-), BATTERY
10
3-229-742-01 TERMINAL (+), BATTERY
11
1-694-596-11 CONDUCTIVE BOARD, CONNECTION
12
3-229-725-01 HOLDER (LCD)
*
13
3-229-741-01 CASE (LCD), SHIELD
14
7-621-771-06 SCREW +B 2X5
15
3-229-730-01 KNOB (ALARM)
17
X-3380-788-1 CABINET,(FRONT) ASSY
19
3-229-739-01 CAP
20
3-229-736-01 BUTTON (SNOOZE)
21
3-229-740-01 HOLDER (JOG)
22
3-229-744-01 SPRING (JOG), TORSION
23
3-229-738-01 KNOB (JOG)
24
3-229-745-01 SPRING (JOG), COMPRESSION
25
3-229-737-01 BUTTON (ENTER)
26
3-229-739-11 CAP
27
7-623-505-01 LUG, 2
28
3-232-666-01 PAPER, ADHESIVE (SECONDARY BATTERY)
29
3-233-522-01 CUSHION (ANT)
30
3-232-963-01 SHEET (ANT)
31 3-23
3-521-01 CUSHION (LIGHT)
32
3-233-520-01 CUSHION (SNOOZE)
33
3-232-964-01 SPACER (JOG)
34
3-232-965-01 CUSHION (BATTERY LID)
ANT101 1-754-183-11 ANTENNA, TELESCOPIC
L102
L102
1-501-974-41 ANTENNA, FERRITE-BAR (MW) (AM TRACKING)
LCD101 1-804-341-11 DISPLAY PANEL, LIQUID CRYSTAL
SP101
SP101
1-529-187-11 SPEAKER (2.8cm)
• The mechanical parts with no reference
number in the exploded views are not
supplied.
supplied.
• Hardware (# mark) list and accessories
and packing materials are given in the
last of this parts list.
last of this parts list.
• Abbrebiation
JE : Tourist
16
3-229-726-01
HOLDER (COMBINED),
HOLDER (SP), HOLDER (ANT)
18
3-229-731-01
BUTTON (COMBINED),
KNOB (HOLD), BUTTON (MENU),
BUTTON (LIGHT),
BUTTON (POWER)
Ref. No. Part No.
Description
COMBINED PARTS
(The order with a single article is not completed)
14
ICF-C1200
NOTE :
• Due to standardization, replacements in the
• Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
specified in the diagrams or the components
used on the set.
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• RESISTORS
All resistors are in ohms
METAL : Metal-film resistor
METAL OXIDE :Metal oxide-film resistor
F : nonflammable
METAL : Metal-film resistor
METAL OXIDE :Metal oxide-film resistor
F : nonflammable
• Items marked “ * ”are not stocked since
they are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
Some delay should be anticipated when
ordering these items.
• SEMICONDUCTORS
In each case, u :
µ , for example :
uA.... :
µ A.... , uPA.... : µ PA....
uPB.... :
µ PB.... , uPC.... : µ PC....
uPD.... :
µ PD....
• CAPACITORS
uF :
µ F
• COILS
uH :
µ H
• Abbreviation
JE
: Tourist
SECTION 6
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
MAIN
∗
A-3021-421-A MAIN BOARD, COMPLETE (JE)
∗
A-3021-422-A MAIN BOARD, COMPLETE (AEP,E)
∗
A-3021-423-A MAIN BOARD, COMPLETE (US)
∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
3-229-726-01 HOLDER (COMBINED)
< BATTERY >
BAT401 1-528-412-11 BATTERY, PAS SECONDARY
< CAPACITOR >
C101
1-115-416-11 CERAMIC CHIP
0.001uF
5%
25V
C102
1-115-416-11 CERAMIC CHIP
0.001uF
5%
25V
C103
1-164-844-11 CERAMIC CHIP
4PF
0.25PF 16V
C104
1-164-943-11 CERAMIC CHIP
0.01uF
10%
16V
C105
1-107-819-11 CERAMIC CHIP
0.022uF
16V
C106
1-164-843-11 CERAMIC CHIP
3PF
0.25PF 16V
C107
1-115-416-11 CERAMIC CHIP
0.001uF
5%
25V
C108
1-104-847-11 TANTAL. CHIP
22uF
20%
4V
C109
1-164-943-11 CERAMIC CHIP
0.01uF
10%
16V
C110
1-115-416-11 CERAMIC CHIP
0.001uF
5%
25V
C111
1-164-842-11 CERAMIC CHIP
2PF
0.25PF 16V (JE)
C111
1-164-850-11 CERAMIC CHIP
10PF
0.50PF 16V
(US,AEP,E)
C112
1-164-842-11 CERAMIC CHIP
2PF
0.25PF 16V
C113
1-135-151-21 TANTALUM CHIP 4.7uF
20%
4V
C114
1-135-201-11 TANTALUM CHIP 10uF
20%
4V
C115
1-164-858-11 CERAMIC CHIP
22PF
5%
16V
C116
1-164-930-11 CERAMIC CHIP
330PF
5%
16V
C117
1-164-872-11 CERAMIC CHIP
82PF
5%
16V
C118
1-164-315-11 CERAMIC CHIP
470PF
5%
50V
C119
1-164-943-11 CERAMIC CHIP
0.01uF
10%
16V
C120
1-135-201-11 TANTALUM CHIP 10uF
20%
4V
C121
1-115-156-11 CERAMIC CHIP
1uF
10V
C122
1-127-569-11 TANTAL. CHIP
100uF
20%
4V
C123
1-115-156-11 CERAMIC CHIP
1uF
10V
C124
1-164-677-11 CERAMIC CHIP
0.033uF
10%
16V
C125
1-164-677-11 CERAMIC CHIP
0.033uF
10%
16V
C126
1-115-156-11 CERAMIC CHIP
1uF
10V
C127
1-113-619-11 CERAMIC CHIP
0.47uF
10V
C128
1-135-151-21 TANTALUM CHIP 4.7uF
20%
4V
C201
1-115-156-11 CERAMIC CHIP
1uF
10V
C202
1-115-156-11 CERAMIC CHIP
1uF
10V
C203
1-135-201-11 TANTALUM CHIP 10uF
20%
4V
C204
1-107-820-11 CERAMIC CHIP
0.1uF
16V
C205
1-125-837-11 CERAMIC CHIP
1uF
10%
6.3V
C206
1-125-837-91 CERAMIC CHIP
1uF
10%
6.3V
C207
1-115-156-11 CERAMIC CHIP
1uF
10V
C208
1-125-899-11 TANTAL. CHIP
220uF
20%
4V
C209
1-127-569-11 TANTAL. CHIP
100uF
20%
4V
C210
1-127-569-11 TANTAL. CHIP
100uF
20%
4V
C211
1-164-937-11 CERAMIC CHIP
0.001uF
10%
16V
C212
1-164-937-11 CERAMIC CHIP
0.001uF
10%
16V
C213
1-125-837-11 CERAMIC CHIP
1uF
10%
6.3V
C214
1-125-837-11 CERAMIC CHIP
1uF
10%
6.3V
C215
1-135-201-11 TANTALUM CHIP 10uF
20%
4V
C216
1-107-820-11 CERAMIC CHIP
0.1uF
16V
C217
1-164-874-11 CERAMIC CHIP
100PF
5%
16V
C301
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C302
1-110-501-11 CERAMIC CHIP
0.33uF
10%
16V
C303
1-164-937-11 CERAMIC CHIP
0.001uF
10%
16V
C304
1-164-939-11 CERAMIC CHIP
0.0022uF 10%
16V
C305
1-164-939-11 CERAMIC CHIP
0.0022uF 10%
16V
C306
1-164-939-11 CERAMIC CHIP
0.0022uF 10%
16V
C307
1-115-156-11 CERAMIC CHIP
1uF
10V
C308
1-164-937-11 CERAMIC CHIP
0.001uF
10%
16V
C309
1-164-943-11 CERAMIC CHIP
0.01uF
10%
16V
C311
1-117-863-11 CERAMIC CHIP
0.47uF
10%
6.3V
C312
1-164-854-11 CERAMIC CHIP
15PF
5%
16V
C313
1-164-850-11 CERAMIC CHIP
10PF
0.50PF 16V
C314
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C315
1-135-201-11 TANTALUM CHIP 10uF
20%
4V
C316
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C317
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C318
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C319
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C320
1-164-943-11 CERAMIC CHIP
0.01uF
10%
16V
C321
1-107-820-11 CERAMIC CHIP
0.1uF
16V
C322
1-107-820-11 CERAMIC CHIP
0.1uF
16V
C323
1-107-820-11 CERAMIC CHIP
0.1uF
16V
C324
1-164-937-11 CERAMIC CHIP
0.001uF
10%
16V
C325
1-164-943-11 CERAMIC CHIP
0.01uF
10%
16V
C326
1-164-943-11 CERAMIC CHIP
0.01uF
10%
16V
C328
1-125-777-11 CERAMIC CHIP
0.1uF
10%
10V
C401
1-135-201-11 TANTALUM CHIP 10uF
20%
4V
C402
1-164-937-11 CERAMIC CHIP
0.001uF
10%
16V
C403
1-115-156-11 CERAMIC CHIP
1uF
10V
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