Sony Dream Machine ICF-C763L Service Manual Download

Page: 12 / 18

ICF-C763/C763L

(11)

1-861-856-

STANDBY ON OFF

MAIN

BOARD

(Page 8)

W81

T80

POWER

UNIT

POWER BOARD

R86

Q80

YEL

BLK

Q81

JW82

JW85

Q83

Q82

B C E

R84

R85

C87

JW89

D82

C82

R80

R81

S80

NIGHT LIGHT MODE

R82

C85

D83

C86

JW83

D81

JW88

L82

PATTERN COIL

L81

PATTERN COIL

C83

C84

D80

C81

L80

C80

JW81

R80

R81

JW83

R85

R86

R84

JW85

C87

C86

JW89

JW88

C85

R82

JW81

D83

D80

D81

D82

C81

C82

C83

C84

S80

L81

L82

C80

JW82

L80

W81

Q82

Q83

Q81

Q80

470

4.7k

100k

10k

0.1

0.01

1SS133T

MTZJ-4.7C

RD5.1ESB2

1N4002B

470

6.3V

470

6.3V

1000

10V

470
16V

50V

2SC4081-R
+B SWITCH

2SA1576A

+B SWITCH

2SC2001TP-K1K2

+4.4V

REGULATOR

2SC2001TP-K1K2

+4.1V

REGULATOR

PATTERN COIL

NIGHT LIGHT MODE

OFF

STANDBY

POWER

T80

UNIT

3-7. PRINTED WIRING BOARD – POWER SECTION –

3-8. SCHEMATIC DIAGRAM – POWER SECTION –

D80

B-3

D81

C-2

D82

B-2

D83

A-3

Q80

B-3

Q81

C-2

Q82

D-3

Q83

D-3

• Semiconductor

Location

Ref. No.

Location

Summary of Contents for Dream Machine ICF-C763L

Page 1: ... 87 5 108 MHz 0 1 MHz AM 530 1 710 kHz 10 kHz Model for other countries Regions Band ICF C763 ICF C763L Channel step FM 87 5 108 MHz 87 5 108 MHz 0 05 MHz AM MW 531 1 602 kHz 531 1 602 kHz 9 kHz LW 153 279 kHz 3 kHz Speaker Approx 5 7 cm 2 1 4 inches dia 4 Ω Power output 200 mW at 10 harmonic distortion Power requirements North and South American model 120 V AC 60 Hz Other model 230 V AC 50 Hz Dim...

Page 2: ... and all other exposed metal parts forAC leakage Check leakage as described below LEAKAGE 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 5 mA 500 microampers Leakage current can be measured by any one of three methods 1 Acommercial leakage tester such as the Simpson 229 or RCA WT 540...

Page 3: ...T LIGHT MODE STANDBY A RADIO SLEEP FM12 MW AM LW PM MHz kHz RADIO B SOUND 12345 WAKE UP PRESET PRESET OFF RADIO ON BAND SLEEP VOLUME BRIGHTNESS TUNE TIME SET CLOCK D S T ALARM MODE ALARM A B 5 4 3 2 1 NAP ENTER SELECT PRESET SNOOZE SLEEP OFF PUSH OPEN SNOOZE SLEEP OFF AC power cord The PRESET 3 button and VOLUME have a tactile dot ...

Page 4: ...aximum reading on level meter L1 CT2 162 kHz 243 kHz ICF C763 C763L FM FREQUENCY COVERAGE CONFIRMATION Frequency Display 87 5 MHz 108 MHz Reading on Digital voltmeter 3 2 0 3 V 10 0 1 5 V Adjustment Part confirmation confirmation FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L2 CT3 87 5 MHz 108 MHz SECTION 2 ELECTRICAL ADJUSTMENTS ICF C763L TUNER SECTION 0 dB 1 µV FM Section S...

Page 5: ...JW1 JW12 C22 C2 C8 C9 C30 C11 C10 JC1 C26 C28 C15 E E B E B C E B C C B C B E C B E JC C R JW4 R22 R14 C23 R15 C24 C29 L3 C33 C36 C34 C32 R3 C12 C13 JW9 R7 CT4 CT1 CT2 CT3 C43 D103 D104 C7 C763 JC7 C763L C763 C763L C763L C763L C6 JW8 C5 R5 C1 R2 R4 C3 D2 R18 R20 C40 R17 R16 C37 T1 CF1 C31 SPK C3 C39 R13 C27 R21 JC2 D3 L2 L4 BPF1 CF2 C25 US CND IT UK IT AEP JW110 JW3 R19 C41 R1 Q1 D4 Q4 Q6 Q7 Q2 D1...

Page 6: ...Note X parts extracted from the component side Pattern from the side which enables seeing 3 1 IC Block Diagrams IC1 CXA1019M GND GND FM DISCRI NF VOL AM OSC AFC FM OSC REG OUT FM RF AM RF IN N C FM RF IN FE GND MIX OUT 21 22 23 24 25 26 27 28 29 30 2 3 5 4 6 7 8 9 10 1 11 12 13 14 15 16 17 18 19 20 AF POWER AMP AM IF DET AGC AM FE FM DISCRIMINATOR FM FE TUNING METER FM IF GND GND AF OUT Vcc RIPPLE...

Page 7: ... Connected to crystal oscillator for system clock 75kHz 25 XIN I Connected to crystal oscillator for system clock 75kHz 26 REG1 Voltage regulator for oscillation circuit output 27 REGLCD0 LCD drive power supply terminal 28 29 CAPLCD0 1 Connected to the capacitor for doubler circuit 30 REGLCD1 LCD drive power supply terminal 31 to 34 COM0 to 3 O LCD common output 35 to 49 LCD0to 14 O LCD segment ou...

Page 8: ...F1 C31 SPK C35 C39 R13 C27 CF3 R123 R21 C126 C127 C131 C130 IC100 JW103 JW107 JW113 X101 JW102 JW101 1 1 18 14 15 28 29 43 42 56 JW105 LCD101 D100 102 BACK LIGHT R129 C108 C109 IC101 R115 R111 R11 CN1 CN3 Q3 R26 JC106 JC107 C103 R108 R103 R104 R101 R102 C104 R127 R126 JC105 R114 C42 R131 C136 C18 JC2 D3 L2 L4 L4 BPF1 CF2 C25 US CND US CND IT UK IT AEP JW110 JW6 JW3 JW111 R19 C41 R1 Q1 D4 Q5 Q4 Q6 ...

Page 9: ...7 10V 1000p 1000p 0 01 0 01 1000p 0 01 1000p 0 01 0 01 1000 6 3V 0 1 0 1 0 1 22p 10p 8p 22p 2 2 0 1 0 01 2 2k 2 2M 10k 100k 2 2M 100k 4 7k 100k 470 0 1 22k 4 7k 1k 10k 10 1k 47 100 2 2k 470 100k 10k 100k 10k 2 2k 2 2 2 2 2 2 10 10 220 220 2 2k 2 2k 4 7k 4 7k 4 7k 4 7k 10 47k 100k 4 7k 10k 47 4 7k 470k 470k 10k 75kHz 7P 14P 5P 10k KV1563M 220p KV1610S 100p 10k 0 1 220p 4 7k 4 7k 4 7k 4 7k 4 7k 470p...

Page 10: ...87 JW92 W82 W83 JW91 S82 W84 5 S95 ALARM MODE S92 ALARM B S91 ALARM A S94 D S T CLOCK S84 BRIGHTNESS S89 NAP S90 TUNE TIMESET S93 TUNE TIMESET S87 4 S83 D84 3 S88 SNOOZE SLEEP OFF SNOOZE SLEEP OFF S81 DOOR S86 2 S85 1 C93 C92 R99 R98 R96 JC81 R93 R92 D88 W85 VOLUME BOARD R71 RV1 W85 SUB KEY BOARD D89 S99 PRESET S97 RADIO ON OFF S96 BAND S98 SLEEP D86 W84 2 3 4 5 6 7 A 1 B C D E D84 C 1 D85 D 2 D86...

Page 11: ... D87 D88 D84 D85 CN86 RV1 WS S81 W82 W83 W84 W85 Q84 Q85 DAP202U 1SS355TE 10k 220 220 4 7k 4 7k 10 10 2 2k 2 2k 0 022 0 022 1000p 1000p 1000p 1000p 10k 10k 10k 10k 1SS355TE 17 1SS355TE 17 SLP OH81A 51 DAP202U 2P 50k DOOR 2SC4081 R LED DRIVER 2SC4081 R LED DRIVER PRESET SLEEP BAND RADIO ON OFF 5 1 CLOCK 3 2 NAP BRIGHTNESS 4 TUNE TIME SET ALARM B ALARM A D S T ALARM MODE TUNE TIME SET SNOOZE SLEEP O...

Page 12: ...87 C86 JW89 JW88 C85 R82 JW81 D83 D80 D81 D82 C81 C82 C83 C84 S80 L81 L82 C80 JW82 L80 W81 Q82 Q83 Q81 Q80 470 470 4 7k 100k 10k 0 1 0 1 0 01 1k 1SS133T MTZJ 4 7C RD5 1ESB2 1N4002B 470 6 3V 470 6 3V 1000 10V 470 16V 10 50V 2SC4081 R B SWITCH 2SA1576A B SWITCH 2SC2001TP K1K2 4 4V REGULATOR 2SC2001TP K1K2 4 1V REGULATOR PATTERN COIL PATTERN COIL NIGHT LIGHT MODE ON OFF STANDBY POWER T80 UNIT 3 7 PRI...

Page 13: ...ARD COMPLETE 10 3 265 387 01 KNOB VOL 11 A 4547 459 A KEY BOARD COMPLETE 12 3 265 396 01 SPRING SHAFT 13 3 265 376 01 HOLDER SHAFT 14 X 2023 067 1 CABINET UPPER SUB ASSY 16 3 265 379 01 BUTTON POWER 17 3 265 370 01 CABINET REAR 18 3 265 385 01 GUIDE STAND 19 3 265 384 01 COVER STAND 20 3 265 398 01 SPRING STAND 21 3 265 386 01 PLATE STAND CLICK 22 3 252 830 01 SCREW B3 PWH TAPPING 23 3 265 383 01 ...

Page 14: ...7K 5 1 10W R95 1 216 829 11 METAL CHIP 4 7K 5 1 10W R96 1 216 833 11 METAL CHIP 10K 5 1 10W R97 1 216 833 11 METAL CHIP 10K 5 1 10W R98 1 216 833 11 METAL CHIP 10K 5 1 10W R99 1 216 833 11 METAL CHIP 10K 5 1 10W SWITCH S81 1 570 953 11 SWITCH PUSH 1 KEY DOOR S82 1 771 550 11 SWITCH TACTILE 5 S83 1 771 550 11 SWITCH TACTILE 3 S84 1 771 550 11 SWITCH TACTILE BRIGHTNESS S85 1 771 550 11 SWITCH TACTIL...

Page 15: ... C115 1 164 315 11 CERAMIC CHIP 470PF 5 50V C116 1 164 315 11 CERAMIC CHIP 470PF 5 50V C117 1 164 315 11 CERAMIC CHIP 470PF 5 50V C118 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C119 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C120 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C122 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C763L C123 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C124 1 126 916 11 ELECT 1000uF 20 6 3...

Page 16: ... 5 1 10W R26 1 216 845 11 METAL CHIP 100K 5 1 10W R100 1 216 789 11 METAL CHIP 2 2 5 1 10W R101 1 216 789 11 METAL CHIP 2 2 5 1 10W R102 1 216 789 11 METAL CHIP 2 2 5 1 10W R103 1 216 797 11 METAL CHIP 10 5 1 10W R104 1 216 797 11 METAL CHIP 10 5 1 10W R105 1 216 813 11 METAL CHIP 220 5 1 10W R106 1 216 813 11 METAL CHIP 220 5 1 10W R107 1 216 825 11 METAL CHIP 2 2K 5 1 10W R108 1 216 825 11 METAL...

Page 17: ...771 550 11 SWITCH TACTILE RADIO ON OFF S98 1 771 550 11 SWITCH TACTILE SLEEP S99 1 771 550 11 SWITCH TACTILE PRESET A 4547 470 A VOLUME BOARD COMPLETE RESISTOR R71 1 216 833 11 METAL CHIP 10K 5 1 10W VARIABLE RESISTOR RV1 1 227 482 11 RES VAR CARBON 50K w VOLUME MISCELLANEOUS SP1 1 544 517 51 SPEAKER 0T80 1 468 672 21 POWER UNIT US CND 0T80 1 468 673 21 POWER UNIT UK 0T80 1 468 674 21 POWER UNIT I...

Page 18: ...HISTORY 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 2004 05 New ...

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