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ICF-C112

14

14

1

2

3

4

5

6

7

8

9

10

15

14

13

12

11

FM

DISCRIMINATOR

AF POWER AMP

AM FE

FM IF

TUNING

METER

AM IF DET AGC

FM FE

23

22

21

20

24

25

19

18 17 16

29 28 27 26

30

GND

GND

AF OUT

+B

RIPPLE

FIL

TER

AF IN

DET OUT

AFC (J)AGC

AFC (W)AGC

IF GND

LED

NC

FM IF IN

AM IF IN

BAND SW

NC

MIX OUT

FE GND

AM ANT

FM RF

REG

FM OSC

FM ANT

AFC

AM OSC

VOL

NF

DISCRI

GND

GND

28

27

26

25

24

23

22

21

20

19

18

17 16

15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

AM & 10

, S

HR AG & DE

PM & 10

, S HR B

10

, S HR C & HR B

10

, S MIN A & F

10

, S MIN B & G

10

, S MIN C & D

MIN A & F

COLON OUTPUT

MIN C & D

MIN B & G

10

, S MIN E

& MIN E

HR B & G

HR C & D

HR A & F

12/24 HR

SELECT

50/60 Hz

SELECT

50/60 Hz

INPUT

SLEEP

INPUT

SNOOZE

INPUT

CR/INPUT

HOUR SET

MIN SET

ALARM

DISP

ALARM

OFF

SLEEP OUT

ALARM OUT

VDD

VSS

D

OSC

CTR

GATE

1/2

1Hz

2Hz

50/60Hz

GATE

COMPARATOR

SLEEP CTR

OUTPUT DECODER/DRIVER

CONTROL

PWR UP

OUTPUT

CONTROL

DISPLAY

CONTROL

RESET

CONTROL

PF.

DET

SEC
CTR

ALARM

MIN CTR

TIME

MIN CTR

TIME

HR CTR

ALARM
HR CTR

BLANK &

FLASH

1/25 or  1/30

STAND
BY DET

D

D

D

D

D

INPUT

CONTROL

F.SAMPLE

S.SAMPLE

SLEEP

SEC,TIME,ALARM

IC1   CXA1019S

5-4. IC BLOCK DIAGRAMS

IC101   LM8560N

Содержание ICF-C112

Страница 1: ...z AM 530 1710 kHz Speaker Approx 6 6 cm 2 5 8 inches dia 8 ohm Power output 120 mW at 10 harmonic distortion Power requirements 120 V AC 60 Hz For the power backup function 9 V DC one 6F22 battery Battery life Approx 14 hours using Sony 006P 6F22 battery Dimensions Approx 135 100 130 mm w h d 5 3 8 4 5 1 8 inches incl projecting parts and controls Mass Approx 570 g 1 lb 4 oz not incl battery Desig...

Страница 2: ...g Boards 12 5 3 Schematic Diagram 13 5 4 IC Block Diagrams 14 6 EXPLODED VIEWS 6 1 Cabinet Upper Section 15 6 2 Main Board Section 16 7 ELECTRICAL PARTS LIST 17 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR A...

Страница 3: ...e power cord as shown in the figure 2 Mount the chassis with power cord retainer board and screws P 3 10 Note Tighten completely the screws P 3 10 1 2 POINTER ALIGNMENT screw P 3x10 power cord retainer board power cord 6 P 3x10 4 3 1 pointer 2 knob tuning 5 MAIN board chassis ...

Страница 4: ...4 ICF C112 SECTION 2 GENERAL This section is extracted from instruction manual ...

Страница 5: ...e SECTION 3 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 3 1 PANEL FRONT 3 1 PANEL FRONT Page 5 SET 3 2 CABINET UPPER SINGLE ASSY Page 6 3 3 MAIN BOARD SECTION Page 6 3 4 MAIN BOARD LED101 SWITCH BOARD Page 7 1 P 2 6x8 2 3 panel front claws claws ...

Страница 6: ...6 ICF C112 3 2 CABINET UPPER SINGLE ASSY 3 3 MAIN BOARD SECTION 1 P 3x30 2 P 3x30 3 4 cabinet upper single assy 3 P 3x10 1 Removal the solders 2 CN1 4 MAIN board section ...

Страница 7: ...7 ICF C112 3 4 MAIN BOARD LED101 SWITCH BOARD 4 P 3x10 1 P 3x10 claw claw 6 MAIN board 2 SWITCH board 5 7 Removal the solders 3 Removal the solders 8 LED101 ...

Страница 8: ...ON 0 dB 1 µV Setting BAND switch FM VOLUME control MIN AM SECTION Setting BAND switch AM VOLUME control MIN SECTION 4 ELECTRICAL ADJUSTMENTS Connecting Level Meter FM and AM Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors speaker terminal set 16 Ω level meter range 0 5 5 V ac Adjustment Loca...

Страница 9: ...ation RV1 CV1 TUNING L4 L1 L2 L3 CT6 CT4 CT5 CT3 SP1 SPEAKER SP1 FM LEAD WIRE ANTENNA L4 CT3 AM TRACKING ADJ L1 CT5 FM TRACKING ADJ L2 CT6 FM FREQUENCY COVERAGE ADJ L3 CT4 AM FREQUENCY COVERAGE ADJ S1 BAND FM AM T1 T1 AM IF ADJ ...

Страница 10: ... signal Power voltage is dc 9V and fed with regulated dc power supply from battery terminal Voltage is dc with respect to ground under no signal detuned condition no mark FM AM Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F FM f AM Note The components identified by mark 0 or dotted line with mark 0 are critical...

Страница 11: ...IN 1 13 14 15 16 17 L1 CV1 3 CT5 CV1 4 CT6 CV1 1 CT3 CV1 2 CT4 CT5 L1 FM TRACKING L2 L4 L3 CT6 L2 FM FREQUENCY COVERAGE CT4 L3 AM FREQUENCY COVERAGE CT3 L4 AM TRACKING AM FERRITE ROD ANTENNA CV1 TUNING T1 AM IF FM FRONT END AM FRONT END IC1 FM AM FRONT END IF AMP DET FM ANT FM RF FM OSC AM ANT AM OSC VREG 13 10 15 8 11 6 MIX OUT CF2 CF1 T1 FM IF IN AF IN AF OUT NF B B B DET OUT AM IF IN DISCRI VOL...

Страница 12: ...9 R305 D114 S106 S105 S104 S111 JW103 C304 CN1 1 4 1 4 JW300 JW301 JW102 S103 S108 S1 R15 T1 CF1 CF2 IC1 C15 BPF1 CF3 C18 R14 JW1 R13 C14 R3 C35 B C E JW7 D304 C27 C28 C26 C17 C5 C4 L2 FM OSC L1 FM RF CV1 TUNING L3 AM OSC IC101 C118 C119 C9 R10 R11 R4 R6 C12 R5 Q301 Q1 R133 R101 C116 C109 B C E SWITCH BOARD TRANSFORMER BOARD FM LEAD WIRE ANTENNA BATTERY SNAP BLK GRY RED RED DRY BATTERY 006P 9V IEC...

Страница 13: ...D1 JW1 R14 R15 CF2 CF1 C18 C21 C22 C23 C24 C35 C25 C26 C27 JW3 R305 C306 C29 C28 C16 JW2 RV1 R5 R10 R6 C31 C32 C9 C12 JW5 Q1 R4 C17 R9 C34 JW6 R13 JW4 JW101 C303 C304 R303 D301 C301 D302 C302 CN1 T301 JW301 JW300 R108 R109 R110 R111 R112 R101 R113 R114 R115 R116 R136 R135 R137 C118 C119 S105 S106 S104 S103 JW104 S108 S111 C109 JW103 C104 C105 R117 C116 C115 JW102 R11 Q301 C2 BPF1 S100 D304 S101 JC...

Страница 14: ...E PM 10 S HR B 10 S HR C HR B 10 S MIN A F 10 S MIN B G 10 S MIN C D MIN A F COLON OUTPUT MIN C D MIN B G 10 S MIN E MIN E HR B G HR C D HR A F 12 24 HR SELECT 50 60 Hz SELECT 50 60 Hz INPUT SLEEP INPUT SNOOZE INPUT CR INPUT HOUR SET MIN SET ALARM DISP ALARM OFF SLEEP OUT ALARM OUT VDD VSS D OSC CTR GATE 1 2 1Hz 2Hz 50 60Hz GATE COMPARATOR SLEEP CTR OUTPUT DECODER DRIVER CONTROL PWR UP OUTPUT CONT...

Страница 15: ...SCREW P 2 6X8 TYPE2 NON SLIT 2 7 685 153 19 SCREW P 3X30 TYPE2 NON SLIT 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 Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Acc...

Страница 16: ...4 01 CABINET LOWER BLACK BLACK 52 3 246 784 11 CABINET LOWER WHITE WHITE 53 3 246 344 11 FOOT RUBBER 054 1 769 339 22 CORD POWER 55 A 3347 218 A MAIN BOARD COMPLETE BLACK 55 A 3663 993 A MAIN BOARD COMPLETE WHITE 56 3 226 590 01 HOLDER ANTENNA 57 1 535 804 71 SNAP BATTERY 58 1 754 135 11 ANTENNA WIRE 59 3 553 567 00 CUSHION 60 3 246 786 01 KNOB TUNING BLACK BLACK 60 3 246 786 11 KNOB TUNING WHITE ...

Страница 17: ...F 10 25V C118 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C119 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C301 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C302 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C303 1 126 935 11 ELECT 470uF 20 10V C304 1 126 934 11 ELECT 220uF 20 16V C306 1 126 934 11 ELECT 220uF 20 10V FILTER CF1 1 781 790 11 FILTER AM CERAMIC CF2 1 781 861 71 FILTER CERAMIC COMBINATION CF3 1 781 861 ...

Страница 18: ...00K 5 1 10W R116 1 216 845 11 METAL CHIP 100K 5 1 10W R117 1 216 849 11 METAL CHIP 220K 5 1 10W R133 1 216 845 11 METAL CHIP 100K 5 1 10W R135 1 249 389 11 CARBON 4 7 5 1 4W R136 1 216 801 11 METAL CHIP 22 5 1 10W R137 1 249 389 11 CARBON 4 7 5 1 4W R303 1 247 807 31 CARBON 100 5 1 4W R305 1 216 821 11 METAL CHIP 1K 5 1 10W VARIABLE RESISTOR RV1 1 228 790 00 RES VAR CARBON 50K VOLUME SWITCH S1 1 6...

Страница 19: ...19 ICF C112 MEMO ...

Страница 20: ...ISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2003 03 New ...

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