Sony ST-SE370 - Tuner Service Manual Download Page 13

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ST-SE370

R758

FL701

CNP703

CN703

CNP704

CN704

CN702

CN701

R732

R728

R727

R726

R725

R724

R723

R722

R721

R711

R712

C709

C708

R733

R734

C716

S717

S718

S721

S722

S723

S724

R776

R775

R771

R770

R777

R778

R779

R780

S701

R750

R751

S702

R752

S703

S704

S705

S706

S707

S708

R753

R754

R755

R756

R757

S709

S710

S711

S712

R760

R759

R761

R762

C711

C701

R710

R703

R704

701

C703

C704

C705

R701

702

C713

R705

R713

C710

JW793

JW794

JW792

JW791

C717

C706

C707

TP1

TP3

TP2

701

702

R729

R731

S727

R781

S713

R763

S728

S714

R764

S715

703

C712

C715

R706

D704

C702

IC702

RV701

R772

R773

792

793

IC701

470

100k

0.01

100k

50V

270

220

120

100

330

470

560

820

100

120

150

180

220

270

330

820

560

1.2k

2.2k

50V

0.01

10k

4.2M

27p

0.01

1.5k

0.01

470k

100

0.01

0.47

50V

2SC1740S

0.01

50V

S133

133

470

1.2k

3.9k

12k

133T

0.22F

5.5V

0.01

22k

1SS133T

0.01

NJL64H400A-1

120

330

10k

-3B9

G10

G11

P10

P11

P12

P13

P14

P15

P16

P17

P18

G11

G10

P18

P17

P16

P15

P14

P13

P12

P11

P10

RDS DATA

FL2

FL1

MUTE

POWER

AST

+5V

GND

SIGNAL

EON

FLUORESCENT INDICATOR TUBE

ENCODER

(EXPECT AEP,UK)

(AEP,UK)

TUNING

/SELECT

CHARACTER

RETURN

TUNE MODE

DISPLAY

PTY

MEMORY

FM MODE

BAND

AUTO-BETICAL

SELECT

ENTER

SHIFT

DIRECT

SYSTEM CONTROL

RESET

REMOTE SENSOR

(AEP,UK)

(SP,AUS)

(US)

(EXCEPT US)

(EXCEPT SP,AUS)

D-IN

DATA

CLK

RDS-C

-30V

PD78045FGF-130

5-5.

SCHEMATIC DIAGRAM – DISPLAY Section –

•

See page 9 for Waveform.

•

See page 14 for IC Pin Function Description.

(Page 11)

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

T E L

1 3 9 4 2 2 9 6 5 1 3

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for ST-SE370 - Tuner

Page 1: ...1 1 602 kHz 9 kHz step LW 144 288 kHz 1 kHz step Intermediate frequency 450 kHz Usable Sensitivity with AM loop aerial MW 200 µV m LW 700 µV m Signal to noise ratio MW 54 dB 50 mV m 999 kHz LW 50 dB 50 mV m 216 kHz Harmonic distortion 0 3 50 mV m 400 Hz Selectivity 50 dB General Power requirements U S models 120 V AC 60 Hz Australian models 230 V AC 50 Hz Other models 230 V AC 50 60 Hz Power consu...

Page 2: ...l 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 5 mA 500 microamperes 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 manufa...

Page 3: ...ER 1 7 8 12 PTY European model only qg 14 15 RETURN 7 9 SHIFT qa 8 11 TUNE MODE 6 8 10 TUNING SELECT 4 7 12 14 1 2 3 4 5 6 7 8 9 0 1 23 5 6 4 7 8 9 0 qa qs qd qf qg qh 1 FM ANTENNA terminal 2 AM ANTENNA terminal 3 LINE OUT jack Rear Panel ANTENNA LINE OUT FM U 75Ω COAXIAL R L AM 2 1 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 139422...

Page 4: ...2 CASE 407026 2 2 CASE 407026 Page 4 2 3 MAIN BOARD Page 5 SET 1 two screws case 3 TP2 2 two screws case 3 TP2 3 three screws case 3 TP2 4 case 407026 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 5: ...01 1 wire flat type 15 core CN101 3 screw BV RING 3 screw BVTP3 8 S 4 screw BVTT3 6 S www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 6: ...R 3 Circuit Check Mode Set to the reception frequency that the circuit can receive FM STEREO RDS stations Set the input level to above 70 dB This enables circuit check to be performed in any of the reception modes FM AM MW LW Set to a desired band before setting the test mode 1 Turn OFF the power 2 While pressing 4 and BAND together turn ON POWER The items in the following table will be checked au...

Page 7: ... Change over of AM Tuner Step between 9 kHz and 10 kHz US model only A step of AM channels can be changed over between 9 kHz and 10 kHz 1 Turn OFF the power 2 While pressing 9 or turn ON POWER www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com ht...

Page 8: ...justment Location MAIN BOARD Component Side FM RF signal generator set FM ANTENNA 75 Ω coaxial TB101 Carrier frequency 98 MHz Modulation 1 kHz 40 kHz deviation Output level 6 3 mV 76dBµ 75 Ω open IC201 CN101 RV201 FM SIGNAL LEVEL Adjustment www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 ...

Page 9: ...ditions no mark FM Can not be measured Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM Note The components identified by mark 0 or dotted line with mark 0 are critical...

Page 10: ...ILT IN TRANSFORMER POWER TRANSFORMER 9 8 A DISPLAY BOARD CN702 B DISPLAY BOARD CN701 1 7 E E 1 8 16 9 1 8 16 9 1 4 8 5 AEP UK EXCEPT AEP UK E E EXCEPT AEP UK AEP UK EXCEPT AEP UK EXCEPT AEP UK L R LINE OUT 1 681 063 11 11 75Ω COAXIAL AM FM TUNER PACK SUPPLIED WITH THE ASSEMBLED BLOCK ANTENNA AEP UK A B C D E 1 2 3 4 5 6 7 8 9 10 TB101 Page 12 Page 12 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1...

Page 11: ...k 0 01 0 01 47 16V 10 50V 0 01 8P 4 7 50V 220 16V 100k 10k 10 50V 10 50V 10k 100k 100k 4 7 50V 4 7k 100p 4 7 50V 4 7 50V NJM4558D 470 1k 1k 10 2SD2144S 47k 47k 4 7k 15P 2SD2144S 100 100 2SC1740S 10 50V 0 01 10k 10k 470 100p NJM4558D MTZJ T 72 6 2 MTZJ T 72 30 LA1235 BU1924 BLIN4M 2200 35V LA5667 3 3M 1 2W A1 A2 A3 A4 A1 A4 Z1 Z2 Z1 Z2 A2 A3 5V GND POWER CLK DATA D IN RDS C 30V CE ST AST MUTE EON G...

Page 12: ...FM MODE BAND PTY 1 681 064 11 11 S701 715 717 718 721 724 727 728 ENCODER BOARD 1 681 065 11 11 TUNING SELECT 1 3 1 2 3 SW BOARD 1 681 066 11 11 4 1 MENU RETURN TUNE MODE CHARACTER A B C D E 1 2 3 4 5 6 7 8 9 10 11 12 EXCEPT SP AUS EXCEPT US US SP AUS EXCEPT AEP UK AEP UK EXCEPT AEP UK AUTO BETICAL SELECT AEP UK 1 80 40 25 Page 10 Page 10 w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8...

Page 13: ...15 P16 P17 P18 G1 P1 G1 Z1 Z2 Z3 Z4 Z5 Z6 Z1 Z2 Z3 Z4 Z5 Z6 Z6 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Z7 Z8 Z7 Z8 G11 G10 G9 G8 P1 P18 P17 P16 P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 RDS DATA VDD PLL DATA OUT AVDD AVREF GND NC GND X1 X2 VDD VFL FL2 FL1 MUTE POWER AST ST 5V GND IC IS1 IS2 IS3 IS4 AVSS GND GND NC NC NC NC NC NC NC NC NC NC KEY2 DC CUT NC EON KEY1 SI NC RDS DATA RDS CLK RE...

Page 14: ...sed fixed at L 25 EON EON output control terminal Not used open 26 KEY1 I Key input terminal A D input 27 KEY2 I Key input terminal A D input 28 SI I Signal input terminal 29 AVDD Analog power supply terminal 5V 30 AVREF Reference voltage input terminal 5V 31 GND Ground terminal 32 NC Not used open 33 GND Ground terminal 34 X1 I Main system clock input terminal 4 19MHz 35 X2 O Main system clock ou...

Page 15: ...dardized 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 Ref No Part No Description Remark 2 4 232 149 11 CASE 407026 BLACK 2 4 232 580 11 CASE 407026 SILVER 3 4 210 291 01 SCREW CASE 3 TP2 BLACK 3 4 210 291 11 SCREW CASE 3 TP2 SILVER 4 X 4953 448 1 FOOT AS...

Page 16: ...3 4 231 973 11 BUTTON POWER SILVER 54 1 681 067 11 AC SW BOARD 55 4 951 620 01 SCREW 2 6X8 BVTP 56 A 4476 428 A DISPLAY BOARD COMPLETE AEP UK 56 A 4476 434 A DISPLAY BOARD COMPLETE US 56 A 4476 437 A DISPLAY BOARD COMPLETE SP AUS 57 1 681 065 11 ENCORDER BOARD 58 1 681 066 11 SW BOARD 51 52 53 supplied with RV701 54 55 55 56 57 58 55 55 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 139422965...

Page 17: ...RD POWER AUS 0106 1 783 531 31 CORD POWER US 107 4 233 386 01 PANEL BACK AEP SP 107 4 233 386 11 PANEL BACK UK 107 4 233 386 21 PANEL BACK US 107 4 233 386 31 PANEL BACK AUS 108 1 773 002 11 WIRE FLAT TYPE 15 CORE 0PT901 1 429 466 11 TRANSFORMER POWER US 0PT901 1 429 467 11 TRANSFORMER POWER EXCEPT US TB101 1 693 407 23 TUNER US TB101 1 693 410 25 TUNER PACK EXCEPT US 1 7 685 646 79 SCREW BVTP 3X8...

Page 18: ...UCTORS In each case u µ for example uA µA uPA µPA uPB µPB uPC µPC uPD µPD CAPACITORS uF µF COILS uH µH The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified When indicating parts by reference number please include the board FILTER FL701 1 517 516 11 INDICATOR TUBE FLUORESCENT IC IC701 8 759 834 92 IC uPD78045FGF 130 3B9 IC702...

Page 19: ... ENCODER BOARD VARIABLE RESISTOR RV701 1 467 703 11 ENCODER ROTARY TUNING SELECT A 4476 427 A MAIN BOARD COMPLETE AEP UK A 4476 433 A MAIN BOARD COMPLETE US A 4476 436 A MAIN BOARD COMPLETE AUS A 4476 439 A MAIN BOARD COMPLETE SP 7 685 647 79 SCREW BVTP 3X10 TYPE2 IT 3 CAPACITOR C101 1 127 876 11 CERAMIC 0 01uF 10 50V C102 1 126 964 11 ELECT 10uF 20 50V C103 1 127 876 11 CERAMIC 0 01uF 10 50V C104...

Page 20: ...49 441 11 CARBON 100K 5 1 4W AEP UK R303 1 249 441 11 CARBON 100K 5 1 4W AEP UK R304 1 249 441 11 CARBON 100K 5 1 4W AEP UK R305 1 249 429 11 CARBON 10K 5 1 4W AEP UK R306 1 249 429 11 CARBON 10K 5 1 4W AEP UK R307 1 249 425 11 CARBON 4 7K 5 1 4W AEP UK R308 1 249 425 11 CARBON 4 7K 5 1 4W AEP UK R309 1 249 413 11 CARBON 470 5 1 4W R310 1 249 413 11 CARBON 470 5 1 4W R311 1 249 417 11 CARBON 1K 5 ...

Page 21: ...EPT US ACCESSORIES PACKING MATERIALS 1 501 374 11 ANTENNA LOOP AM 1 501 659 41 ANTENNA FM 0 1 770 019 11 ADAPTOR CONVERSION PLUG 3P UK 1 776 263 11 CORD CONNECTION AUDIO CORD 4 233 395 11 MANUAL INSTRUCTION ENGLISH 4 233 395 21 MANUAL INSTRUCTION FRENCH GERMAN SPANISH DUTCH AEP 4 233 395 31 MANUAL INSTRUCTION SWEDISH ITALIAN POLISH AEP 4 233 395 41 MANUAL INSTRUCTION DANISH FINNISH AEP 4 233 395 5...

Page 22: ...he revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 04 New www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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Sony ST-SE370 - Tuner, Service Manual

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