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Sony HCD-EP414, Service Manual

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Sony HCD-EP414 Service Manual Download Page 25

25

25

HCD-EP414

6-9. Printed Wiring Boards  – Power Section –

6-10. Schematic Diagrams  – Power Section –

• See page 15 for Circuit Boards Location.

MX

AC
IN

T901

POWER

TRANSFORMER

(SUB)

T902

POWER

TRANSFORMER

(MAIN)

6

TO

MAIN

BOARD

CNP305

(Page 21)

1

2

A

B

C

D

E

F

3

4

5

6

CN902

Ref. No.

Location

D906

B-2

D907

C-3

D908

C-3

D909

B-2

D910

A-2

D911

C-2

D912

C-2

D913

C-3

D914

C-2

D916

C-2

D917

B-2

D918

C-2

D919

B-2

D920

B-2

D921

B-2

• Semiconductor

Location

6

*

 D916 - D919

MX: 1N5401

EXCEPT MX: 1N5401M

RY901

LF901

C905

C908

C909

D906

D916

D919

D914

D912

D920

D921

R901

R902

D907

D908

D910

D909

CN902

T902

R911

MX

T901

C906

D917

D918

C907

C911

D911

D913

C912

C910

CN901

0.022

0.022

0.022

1SS133T-77

1N4002B

1N4002B

1SS133T-77

1SS133T-77

47k

47k

1N4002B

1N4002B

1N4002B

1N4002B

3.3M

1/2W

0.022

*

*

*

*

0.022

0.022

1N4002B

1N4002B

0.022

0.022

6P

AC IN

jomi

Summary of Contents for HCD-EP414

Page 1: ... 531 1 602 kHz with the tuning interval set at 9 kHz Other models with the tuning interval set at 10 kHz 531 1 602 kHz with the tuning interval set at 9 kHz Antenna AMloop antenna external antenna terminal Intermediate frequency 450 kHz Amplifier section European model DIN power output rated 11 11 W 6 ohms at 1 kHz DIN Continuous RMS power output reference 15 15 W 6 ohms at 1 kHz 10 THD Music powe...

Page 2: ...2 6 7 Printed Wiring Boards Control Section 23 6 8 Schematic Diagrams Control Section 24 6 9 Printed Wiring Boards Power Section 25 6 10 Schematic Diagrams Power Section 25 6 11 IC Pin Function Description 28 7 EXPLODED VIEWS 7 1 Cabinet Section 30 7 2 Front Panel Section 31 7 3 CD Cabinet Section 32 7 4 Base Unit Section BU K7BD44B 33 8 ELECTRICAL PARTS LIST 34 TABLE OF CONTENTS General Power req...

Page 3: ...eflective surface by the objective lens in the optical pick up block Therefore when checking the laser diode emission observe from more than 30 cm away from the objective lens LASER DIODE AND FOCUS SEARCH OPERATION CHECK Carry out the S curve check in CD section adjustment and check that the S curve waveforms is output three times NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT Notes on c...

Page 4: ...4 HCD EP414 Service Position of the CD Mechanism Deck Service Position of the Tape Cassette Mechanism Deck CD BOARD POEWER BOARD MAIN BOARD FRONT PANEL MAIN BOARD POWER BOARD j o m i ...

Page 5: ...PRESET 8 9 Remote sensor 1 TUNER BAND w 8 9 TUNING 0 8 9 VOLUME 9 14 15 1 power ql 5 9 14 15 m M fast forward rewind 0 6 11 go back go forward 8 5 6 7 12 13 14 15 x stop qj 6 7 11 12 19 X pause qk 6 11 zREC PAUSE START qf 12 15 CD N play wa 6 7 TAPE nN play 7 11 12 15 Z PUSH OPEN CLOSE CD open close 3 6 Z PUSH OPEN CLOSE tape open close qa 11 ALPHABETICAL ORDER A M P Z BUTTON DESCRIPTIONS 1 2 3 4 ...

Page 6: ...d 5 5 6 7 12 14 15 x stop 4 6 7 11 12 19 X pause 3 6 11 CD N play qj 6 7 TAPE nN play qg 11 12 15 ALPHABETICAL ORDER A M P Z BUTTON DESCRIPTIONS 1 wa w ql qk qj qh qg qf qd qs qa 2 3 4 5 6 7 8 9 0 1 Press 1 to turn on the system 2 Press CLOCK TIMER SET 3 Press repeatedly to set the hour 4 Press CLOCK TIMER SET 5 Press repeatedly to set the minute 6 Press CLOCK TIMER SET The clock starts working To...

Page 7: ...s set can be disassembled in the order shown below REAR CABINET BASE UNIT BU K7BD44B CONTROL BOARD BACK LIGHT BOARD POWER BOARD MAIN BOARD TAPE MECHANISM DECK CMAL1Z240A CASSETTE DOOR ASSY SET CD CABINET SECTION FRONT PANEL SECTION j o m i ...

Page 8: ...n 5 CD cabinet section 4 claw 3 claw qs claw qd claw 2 wire flat type 21p CN101 6 wire flat type 20p CN303 7 wire flat type 15p CN302 3 1 Rear Cabinet 1 two screws BVTP 3 10 3 two screws BVTP 3 10 4 two screws BVTP 3 10 2 four screws BVTP 3 10 5 four screws K 3 5 6 four screws K 3 5 7 rear cabinet Note Follow the disassembly procedure in the numerical order given j o m i ...

Page 9: ...wo screws PWH 2 6 10 4 two vibration proof rubbers GRN 5 base unit BU K7BD44B 3 two vibration proof rubbers PNK 2 two screws PWH 2 6 10 1 knob volume 4 CONTROL board 7 BACK LIGHT board 2 four screws BVTP 3 10 3 five screws BVTP 3 10 5 Remove two solderings 6 two claws j o m i ...

Page 10: ... EP414 3 6 Cassette Door Assy 1 Open the cassette door assy 3 cassette door assy claw 2 3 5 Tape Mechanism Deck CMAL1Z240A 1 wire flat type 8p 2 three screws BVTP 3 10 3 tape mechanism deck CMAL1Z240A j o m i ...

Page 11: ...11 HCD EP414 3 7 POWER Board MAIN Board 1 connector AC IN 2 connector CN901 5 two screws BVTP 3 10 3 four screws BVTP 4 12 6 MAIN board 4 POWER board j o m i ...

Page 12: ...recaution 1 Clean the following parts with a denatured alcohol moistened swab record playback heads pinch rollers erase head rubber belts capstan idlers 2 Demagnetize the record playback head with a head demag netizer 3 Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted 5 The adjustments should be performed with the...

Page 13: ...ard 2 Turn the power on 3 Put the disc YEDS 18 in and turned power switch on again and actuate the focus search actuate the focus search when disc table is moving in and out 4 Check the oscilloscope waveform S curve is symmetrical between A and B And confirm peak to peak level within 2 1 Vp p S curve waveform Note Try to measure several times to make sure than the ratio of A B or B A is more than ...

Page 14: ...14 HCD EP414 Checking Location CD BOARD Conductor Side TP VC TP FE TP TE TP RFDC TP DVC TP RFAC IC103 IC101 j o m i ...

Page 15: ... side f internal component Pattern from the side which enables seeing Indication of transistor A B Line B B Line Voltages are taken with a VOM 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 Abbreviation AUS Austr...

Page 16: ... 50mV DIV 200 µs DIV 100mV DIV 200 µs DIV 1V DIV 20ns DIV 200mVp p 250mVp p 3 IC101 ra TE CD Play Mode 4 IC101 yj XTAO 5 4Vp p 59ns 6 IC801 qh CF2 1V DIV 40ns DIV 1V DIV 10 µs DIV 5 IC801 qd XT2 4 8Vp p 30 5 µs 4 0Vp p 116ns 7 Q307collector Rec mode 5V DIV 4 µs DIV 11 3Vp p 12 3 µs CONTROL Board MAIN Board j o m i ...

Page 17: ...NTERFACE CPU INTERFACE 18 63 62 61 19 SENS 20 32 33 31 36 27 SCOR CD SQSO CD SQCK CD XLT CD CLK CD DATA CD SENS CD SCOR 1 2 37 35 SCLK COUT 9 21 SSTP 27 FOK 22 23 MIRR DFCT TO SERVO INTERFACE CH4OUTF CH4OUTR M101 SPINDLE MOTOR DRIVE MOTOR DRIVE CH2OUTF CH2OUTR M M M103 SLED IC102 FOCUS TRACKING COIL DRIVE SPINDLE SLED MOTOR DRIVE 2 AXIS DEVICE TRACKING FOCUS IC101 2 2 DIGITAL SERVO PROCESSOR SW PD...

Page 18: ...TAPE L 2 CD L 21 16 OUT R R CH 13 CONT 28 REC OUT TU MUTE 1 RDS DATA 7 TU STEREO 38 STEREO MUTE R DATA R INT RDS CLK 26 R CH R CH L CH F DATA 91 TA PLAY SW 39 TA MOTOR 88 TA END SW 8 TA SOL 28 CD OPEN CLOSE 94 CD OPEN POWER AMP R CH J302 SPEAKER SEG1 SEG33 83 86 COM0 COM3 FLUORESCENT DISPLAY LCD801 POWER CONTROL D810 µCON B 5 6V SUB D811 18 I POWER MONITOR Q315 LINE FILTER LF901 7V REG Q319 7V IC3...

Page 19: ...No Location D101 F 5 IC101 E 4 IC102 C 5 IC103 D 2 Q101 C 2 Q102 G 5 Semiconductor Location See page 15 for Circuit Boards Location IC102 IC101 IC103 TP VC TP RFAC TP DVC TO CONTROL BOARD CN803 Page 23 1 680 849 M102 M101 1 2 A B C D E F G 3 4 5 6 7 8 j o m i ...

Page 20: ...20 20 HCD EP414 6 4 Schematic Diagrams CD Section See page 16 for Waveforms See page 26 for IC Block Diagrams M102 M101 KSM 213EDP CN803 BOARD CONTROL 0uH 0uH 24 JR101 j o m i ...

Page 21: ...8 9 10 R353 R105 R205 ONLY FOR AEP MODEL C137 C234 ONLY FOR AEP MODEL C348 ONLY FOR AEP MODEL IC302 IC303 IC305 Ref No Location D301 E 6 D302 C 5 D303 B 7 D304 C 6 D305 E 5 D306 F 5 D310 E 5 D311 B 5 D312 A 7 D313 B 7 D317 E 6 D319 G 5 D320 G 5 D321 G 4 IC302 D 4 IC303 F 3 IC305 G 1 Q305 E 5 Q306 E 5 Q307 D 6 Q308 D 6 Q309 D 6 Q310 B 5 Q311 E 6 Q312 E 5 Q313 E 6 Q314 E 5 Q315 E 6 Q317 B 7 Q319 B 6...

Page 22: ...3203Y AT KRC402 RTK KRC402 RTK 47 25V 1000p 1000p 470 470 39k 39k 2 2k 2 2k 1k 1k 10k 10k 1 5k 1 5k 2 2k 2 2k 2P 68k 68k 4 7k KTA1271Y AT 22k 22k 10k 4 7k 100k 2 2k 1k MTZJ T 77 5 6B 100k KTA1271Y AT 2 2k 0 01 47 25V MTZJ T 77 5 6B KTC3205 Y AT 470 R353 4 7 KTC3205 Y AT KRC402 RTK KTA1271Y AT KRC402 RTK KRC402 RTK 470 47k MTZJ T 77 5 6B 1k 470 470 1SS133T 77 1M 4 7k 220p 100 16V 2SK2158 T2B KRA303...

Page 23: ...REC PAUSE START PLAY MODE 8 TO MAIN BOARD CN302 Page 21 Page 21 TO MAIN BOARD CN303 STANDBY DISPLAY CD TUNER BAND EXCEPT AEP AUS AEP AUS FLUORESCENT INDICATOR TUBE 37 31 30 25 20 15 10 5 1 2 A B C D E 3 4 5 6 7 8 D701 703 BACK LIGHT 1 3 Ref No Location D701 E 1 D702 D 1 D703 D 1 D801 D 5 D806 B 7 D807 D 3 D808 D 3 D809 C 6 D810 C 6 D811 E 3 D812 E 3 IC801 B 4 IC802 B 6 IC803 C 3 Q805 A 7 Q806 D 3 ...

Page 24: ...07 R838 R836 CN802 CN803 CN801 Q805 EXCEPT AEP AUS AEP AUS S800 CN805 R708 R707 R710 R712 R832 R850 R805 X801 R820 R814 R705 R703 C816 C815 R828 R830 C810 C830 C824 C823 C831 C832 R881 C811 R875 R876 X802 1SS133T 77 47k 0 01 0 01 0 01 0 01 0 01 10k PST592C T 47k 47k 22k 1SS133T 77 100k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 1k 0 1 B 0 1 B 10k 470 680 1k 1 ...

Page 25: ...2 D910 A 2 D911 C 2 D912 C 2 D913 C 3 D914 C 2 D916 C 2 D917 B 2 D918 C 2 D919 B 2 D920 B 2 D921 B 2 Semiconductor Location 6 D916 D919 MX 1N5401 EXCEPT MX 1N5401M RY901 LF901 C905 C908 C909 D906 D916 D919 D914 D912 D920 D921 R901 R902 D907 D908 D910 D909 CN902 T902 R911 MX T901 C906 D917 D918 C907 C911 D911 D913 C912 C910 CN901 0 022 0 022 0 022 1SS133T 77 1N4002B 1N4002B 1SS133T 77 1SS133T 77 47...

Page 26: ...SPOA ATSK SCLK VDD SCOR SPOB XLON XTAI XVDD EMPH AVDD1 AOUT1 AIN1 XTAO XVSS AIN2 AOUT2 AVDD2 RMUT LOUT2 LOUT1 BCK LRCK PCMD LMUT AVSS1 AVSS2 CPU INTERFACE SERVO AUTO SEQUENCER SERIAL IN INTERFACE OVER SAMPLING DIGITAL FILTER 3rd ORDER NOISE SHAPER PWM PWM EFM DEMODULATOR TIMING LOGIC DIGITAL OUT D A INTERFACE DIGITAL PLL ASYMMETRY CORRECTOR CLOCK GENERATOR MIRR DFCT FOK DETECTOR DIGITAL CLV SUBCOD...

Page 27: ... TON_L R AUX R CD R VSS TON_H R TON_H L TAPE L TAPE R IC302 BD3881FV MAIN Board IC303 LA4663N FILTER IN1 PRE GND IN2 STANDBY SIGNAL MUTE VCC1 VCC2 OUT2 OUT2 POWER GND1 POWER GND2 OUT1 OUT1 INPUT AMP INPUT AMP OUTPUT AMP OUTPUT AMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NC 15 j o m i ...

Page 28: ...l 32 768kHz Ground terminal Resonator terminal 8 64MHz Resonator terminal 8 64MHz Power supply terminal AC power detection signal input Key AD input 0 Key AD input1 Destination setting terminal Encoder signal input from the volume encoder Power down detection signal input Tape switch status signal input from the tape deck Clock shift control signal output RDS clock input from the tuner SCOR SUBQ r...

Page 29: ...nal output to the tape deck Ground terminal Power supply terminal Control signal output to the sound processor Reset signal output to the CD unit LD ON signal output to the CD unit CD door open close switch signal input Power relay control signal output Back light control signal output Standby control signal output to the power amplifier Bias control signal output to the bias oscillation circuit M...

Page 30: ...EP 1 A 4732 667 A MAIN BOARD COMPLETE EXCEPT AEP 6 1 688 191 11 REGULATOR BOARD 7 4 245 014 11 CABINET REAR AEP AUS MX 7 4 245 014 51 CABINET REAR E2 E51 08 1 769 744 52 CORD POWER AEP E51 08 1 775 790 31 CORD POWER AUS 08 1 827 226 11 CORD POWER E2 MX 9 1 688 188 11 POWER BOARD Ref No Part No Description Remark Ref No Part No Description Remark 11 1 693 619 11 TUNER FM AM AEP 11 1 693 620 11 TUNE...

Page 31: ... E2 E51 MX 62 A 4748 614 A CONTROL BOARD COMPLETE AEP AUS 63 4 231 841 01 SPRING HEART CAM B 64 4 224 104 41 DAMPER 65 1 796 351 51 MECHANISM SIGNAL CASSETTE CMAL1Z240A 66 4 960 167 01 SCREW 3X8 DIA 10 WH 67 4 245 023 11 WINDOW LCD AEP 67 4 245 023 21 WINDOW LCD EXCEPT AEP 68 4 231 825 01 CAM B HEART 69 1 688 190 11 BACK LIGHT BOARD 70 4 238 631 01 TAPE SPRING 1 7 685 647 79 SCREW BVTP 3X10 TYPE2 ...

Page 32: ...BBER VIBRATION PROOF Ref No Part No Description Remark Ref No Part No Description Remark 7 3 CD Cabinet Section 111 4 246 193 01 HOLDER CHUCK A 112 4 246 191 01 PLATE MAGNET 113 4 249 238 01 MAGNET 18 30 5 114 4 246 192 01 BASE CHUCK N 115 3 921 725 11 SCREW 2 6X10 PWH S800 1 692 960 11 SWITCH PUSH 1 KEY 101 111 102 103 104 105 107 107 115 115 108 108 112 113 114 S800 base unit section BU K7BD44B ...

Page 33: ...t No Description Remarks Ref No Part No Description Remarks 0607 8 820 221 01 DEVICE OPTICAL KSM 213EDP including M101 M102 608 A 4728 536 A CD BOARD COMPLETE 609 1 757 055 11 WIRE PARALLEL FFC 16 CORE 4 7 621 255 32 SCREW P 2X5 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified j o m i ...

Page 34: ...2 11 ELECT 100uF 20 00 16V C117 1 126 382 11 ELECT 100uF 20 00 16V C118 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C121 1 164 360 11 CERAMIC CHIP 0 1uF 16V C122 1 126 933 11 ELECT 100uF 20 00 16V C123 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C124 1 125 891 11 CERAMIC CHIP 0 47uF 10 00 10V C125 1 164 360 11 CERAMIC CHIP 0 1uF 16V C126 1 164 360 11 CERAMIC CHIP 0 1uF 16V C127 1 126 382 11 ELECT 100uF 2...

Page 35: ...70K 5 1 16W R196 1 216 825 11 METAL CHIP 2 2K 5 1 16W R197 1 216 821 11 METAL CHIP 1K 5 1 16W NETWORK RN101 1 233 576 11 RES CHIP NETWORK 100 SWITCH S101 1 771 853 11 SWITCH DETECTION VIBRATOR X101 1 767 226 11 VIBRATOR CRYSTAL 16 9344MHz A 4748 214 A CONTROL BOARD COMPLETE E2 E51 MX A 4748 614 A CONTROL BOARD COMPLETE AEP AUS 4 245 030 01 HOLDER LCD 4 245 801 01 SHEET LED 4 248 364 01 CUSHION LIG...

Page 36: ...16W R841 1 216 821 11 METAL CHIP 1K 5 1 16W R842 1 216 821 11 METAL CHIP 1K 5 1 16W R843 1 216 821 11 METAL CHIP 1K 5 1 16W R844 1 216 821 11 METAL CHIP 1K 5 1 16W R845 1 216 821 11 METAL CHIP 1K 5 1 16W R846 1 216 821 11 METAL CHIP 1K 5 1 16W R848 1 216 821 11 METAL CHIP 1K 5 1 16W R850 1 249 417 11 CARBON 1K 5 1 4W F R851 1 216 833 11 METAL CHIP 10K 5 1 16W R852 1 216 817 11 METAL CHIP 470 5 1 1...

Page 37: ...T 47uF 20 00 10V AEP C204 1 128 551 11 ELECT 22uF 20 00 25V EXCEPT AEP C206 1 162 995 11 CERAMIC CHIP 0 022uF 50V C207 1 126 961 11 ELECT 2 2uF 20 00 50V C208 1 162 967 11 CERAMIC CHIP 0 0033uF 10 50V C209 1 162 962 11 CERAMIC CHIP 470PF 10 50V C210 1 164 218 11 CERAMIC CHIP 180PF 0 25PF 50V C211 1 164 172 11 CERAMIC CHIP 0 0056uF 10 00 25V C212 1 162 967 11 CERAMIC CHIP 0 0033uF 10 50V C213 1 126...

Page 38: ...N 2P SPEAKER COIL L101 1 422 009 13 COIL AIR CORE L102 1 422 009 13 COIL AIR CORE L201 1 422 009 13 COIL AIR CORE L202 1 422 009 13 COIL AIR CORE TRANSISTOR Q305 8 729 036 86 TRANSISTOR KTC3203Y AT Q306 8 729 037 13 TRANSISTOR KTA1271Y AT Q307 8 729 028 54 TRANSISTOR KTC3205 Y AT Q308 8 729 037 13 TRANSISTOR KTA1271Y AT Q309 8 729 054 16 TRANSISTOR KRC402 RTK Q310 8 729 028 54 TRANSISTOR KTC3205 Y...

Page 39: ...HIP 22K 5 1 16W R225 1 216 837 11 METAL CHIP 22K 5 1 16W R226 1 216 837 11 METAL CHIP 22K 5 1 16W R228 1 216 821 11 METAL CHIP 1K 5 1 16W R229 1 249 385 11 CARBON 2 2 5 1 6W F R230 1 249 385 11 CARBON 2 2 5 1 6W F R231 1 216 821 11 METAL CHIP 1K 5 1 16W R232 1 216 821 11 METAL CHIP 1K 5 1 16W R236 1 216 833 11 METAL CHIP 10K 5 1 16W R237 1 216 829 11 METAL CHIP 4 7K 5 1 16W R238 1 249 408 11 CARBO...

Page 40: ...ULATOR D914 8 719 063 79 DIODE 1N4002B D916 8 719 046 47 DIODE 1N5401M EXCEPT MX D916 8 719 902 17 DIODE 1N5401 MX D917 8 719 046 47 DIODE 1N5401M EXCEPT MX D917 8 719 902 17 DIODE 1N5401 MX D918 8 719 046 47 DIODE 1N5401M EXCEPT MX D918 8 719 902 17 DIODE 1N5401 MX D919 8 719 046 47 DIODE 1N5401M EXCEPT MX D919 8 719 902 17 DIODE 1N5401 MX D920 8 719 991 33 DIODE 1SS133T 77 D921 8 719 991 33 DIOD...

Page 41: ...41 HCD EP414 MEMO j o m i ...

Page 42: ...Y 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 06 New j o m i ...

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