Technics SH-DV290EG Service Manual
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Technics SH-DV290EG Service Manual

Technics SH-DV290EG Service Manual

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ORDER NO.AD0303068C8
Sound Processor
SH-DV290EG
Colour
(S) ...................Silver Type
System: SC-DV290
Because of unique interconnecting cables,when a
component requires servise,send or bring in the entire
system.
Note: Refer to the service manual for Model No.
SA-DV290E/EG/EB (ORDER NO.AD0303067C2) for
information on "ACCESSORIES"and "PACKAGING".
SPECIFICATIONS
Specification
1

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Summary of Contents for Technics SH-DV290EG

  • Page 1 ORDER NO.AD0303068C8 Sound Processor SH-DV290EG Colour (S) ....Silver Type System: SC-DV290 Because of unique interconnecting cables,when a component requires servise,send or bring in the entire system. Note: Refer to the service manual for Model No. SA-DV290E/EG/EB (ORDER NO.AD0303067C2) for information on “ACCESSORIES”and “PACKAGING”.
  • Page 2 EQ/SFP section MANUAL GEQ 5-Band EQ Center frequency 70/300/1 k/3.15 k/10 kHz Level control ±2.0, 4.0, 6.0 dB EQ/Space mode 4 modes HEAVY, CLEAR, SOFT, HALL SUPER 3D AI EQ 3 modes AI EQ, SUPER 3D AI 1, SUPER 3D AI 2 Pre-amplifier section Input sensitivity/impedance VCR (EXT)

  • Page 3: Before Repair

    1. Before Repair This equipment (SH-DV290), which is the component of the system, is supplied with power from the amplifier (SA-DV290).When repairing this equipment or checking operation of the system, be sure to connect the amplifier with it. Power supply and operation check in the state of it as a single equipmenet are impracticable. 2.
  • Page 4 - Check the FL P.C.B. as shown below. 3.2. Checking for the main P.C.B. - Follow the (Step 1) - (Step 3) of item 3.1.
  • Page 5 - Check the main P.C.B. as shown below.

  • Page 6: Schematic Diagram Notes

    4. Wiring Connection Diagram 5. Block Diagram 6. To Supply Power Source This unit is designed to operate on power supplied from system connected. When a component requires service, use the system connections to supply power source. For system connections. (Refer to Fig. 1) Fig.
  • Page 7 - S601: Display mode (DISPLAY MODE) switch. - S602: DOLBY PRO LOGIC ( PRO LOGIC, OFF/ ON) switch. - S603: Super surround (SUPER SURROUND) switch . - S604: Super sound EQ (SUPER SOUND EQ) switch . - S605: Center focus (CENTER FOCUS) switch. - S606: Virtual rear surround (VIRTUAL REAR SURROUND) switch.

  • Page 8: Schematic Diagram

    : Positive voltage line : CD Playback signal line : Negative voltage line 8. Schematic Diagram 9. Printed Circuit Board Diagram 10. Terminal Function of IC's 10.1. IC601(C2BBGF000425):System control/FL drive Mark I/O / Function Division KEY1 Operation key1 signal input terminal KEY2 Operation key2 signal input...
  • Page 9 Mark I/O / Function Division DSP DO Data signal output terminal for IC401 DSP DI Data signal input terminal for IC401 JOGA JOG A signal input terminal JOGB JOG B signal input terminal CNVSS Connected to GND through resistor RESET System reset signal input terminal Not used, open...
  • Page 10 Mark I/O / Function Division 37 LED SSS LED(SUPER SURROUND)signal output terminal 38 LED DPL LED(DOLBY PRO LOGIC) signal output terminal ORANGE LED (SEAT POSITION) signal output terminal 40 LED SPG GREEN LED (SEAT POSITION) signal output terminal 41 LED 3DO ORANGE LED (3D ENHANCED SURROUND) signal output terminal...

  • Page 11: Replacement Parts List

    Mark I/O / Function Division CD REQ Serial data request signal output terminal for DVD DECK Serial data request signal output terminal for deck machanism CD& Chip select signal input DECK terminal (DVD and deck machanism) AVSS GND terminal VREF Reference voltage input terminal REG IN0...
  • Page 12 Ref. No. Part No. Part Name & Description Remarks RKA0105-K RUBBER RKA0106-N FOOT RING RYP1176-S FRONT PANEL ASS’Y RGB0025-A TECHNICS BADGE RKW0576A-1V FL WINDOW RGK1242-S JOG RING ORNAMENT RGW0344-S1 JOG KNOB RGW0345-S JOY KNOB RMB0594 JOY SPRING RMQ0882 JOY LEVER...
  • Page 13 Ref. No. Part No. Part Name & Description Remarks C351,52 ECBT1C103MS5 16V 0.01U F1D1C103A004 C354 ECA1CAK100XB 16V 10U C356 ECA1CAK100XB 16V 10U C401 ECJ1VB1E223K 25V 0.022U C402,03 ECUVNH103KBV 50V 0.01U F1H1H103A748 C404 ECA0JAK470XH 6.3V 47U C501 ECBT1C103MS5 16V 0.01U F1D1C103A004 C502 ECBT1H331KB3 50V 330P...
  • Page 14 Ref. No. Part No. Part Name & Description Remarks C811 ECJ1VB1E223K 25V 0.022U C812 ECJ1VB1C104K 16V 0.1U C813 ECUVNH103KBV 50V 0.01U F1H1H103A748 C814 ECJ1VB0J105K 6.3V 1U C815 ECJ1VB1E223K 25V 0.022U C816 ECJ1VB1C104K 16V 0.1U C818,19 ECJ1VB1H681K 50V 680P C820,21 ECEA1HKA4R7 50V 4.7U C822 ECA0JAK470XH...
  • Page 15 Ref. No. Part No. Part Name & Description Remarks D605-10 MA165TA5 DIODE MA2C16500E D611,12 LNJ301MPUJAD D613-17 B3AHA0000012 D653 MA165TA5 DIODE MA2C16500E D761 MA4082LTA DIODE MAZ40820LF D762 B0AAMM000009 DIODE D763-66 MA165TA5 DIODE MA2C16500E D767 MA4051M DIODE MAZ40510M D770 MA4062H DIODE MAZ40620H D771 MA4051-L DIODE...
  • Page 16 Ref. No. Part No. Part Name & Description Remarks Q506 UN411FTA TRANSISTOR UNR411F00A Q507 2SD2144S TRANSISTOR Q601 UN4211 TRANSISTOR UNR4211 Q602-04 2SC3311A TRANSISTOR 2SC3311AW Q605,06 UN5211TX TRANSISTOR UNR521100L Q761,62 2SD2137PQTA TRANSISTOR 2SD21370PA Q763 2SD592A TRANSISTOR 2SD0592AW Q764 2SB0621AHA TRANSISTOR Q765 2SC3311A TRANSISTOR 2SC3311AW...
  • Page 17 Ref. No. Part No. Part Name & Description Remarks R315,16 ERDS2FJ274 1/4W 270K R317 ERDS2FJ223 1/4W 22K R318 ERDS2FJ101 1/4W 100 R319 ERDS2FJ154 1/4W 150K R322 ERJ3GEYJ822V 1/16W 8.2K D0GB822JA002 R323,24 ERDS2FJ120 1/4W 12 R325,26 ERDS2FJ102 1/4W 1K R327,28 ERDS2FJ561 1/4W 560 R329 ERDS2FJ564...
  • Page 18 Ref. No. Part No. Part Name & Description Remarks R509 ERDS2FJ222 1/4W 2.2K R510 ERDS2FJ104 1/4W 100K R511 ERDS2TJ105 1/4W 1M R512 ERDS2FJ154 1/4W 150K R513 ERDS2FJ102 1/4W 1K R514 ERDS2FJ101 1/4W 100 R515 ERDS2FJ223 1/4W 22K R517 ERDS2FJ821 1/4W 820 R518 ERDS2FJ222 1/4W 2.2K...
  • Page 19 Ref. No. Part No. Part Name & Description Remarks R691,92 ERDS2FJ221 1/4W 220 R716 ERDS2FJ821 1/4W 820 R761,62 ERDS2FJ2R2 1/4W 2.2 R763 ERQ16NKWR33E 1/6W 0.33 R764 ERDS2FJ821 1/4W 820 R765 ERDS2FJ221 1/4W 220 R766 ERDS2FJ182 1/4W 1.8K R767 ERDS2FJ102 1/4W 1K R768,69 ERDS2FJ122 1/4W 1.2K...

  • Page 20: Cabinet Parts Location

    Ref. No. Part No. Part Name & Description Remarks R903 ERDS2TJ124 1/4W 120K S601-07 EVQ11G05R SW,PUSH S608-11 EVQ11G07K SW,JOY STICK S612,13 EVQ11G05R SW,PUSH S614 ESE24SV7 SW,MULTI JOG X401 RSXY8M00D01T OSCILLATOR H2B800400005 X601 H2B400400013 OSCILLATOR X801 RSXZ36M8M01T OSCILLATOR 12. Cabinet Parts Location...

  • Page 21: Schematic Diagram For Printing With A4 Size

    13. Schematic Diagram for printing with A4 size K0304YH/HM...
  • Page 22 Note: This printed circuit board diagram may be modified at any time with the development of new technology. OPERATION P.C.B. MAIN P.C.B. Q723 VR901 C740 (VOLUME) D737 W902A W902B CP101 CN781 Q609 R693 E C B S913 R692 DIGITAL W501 E C B S.WOOFER R597...
  • Page 23 POWER TRANSFORMER (A) P.C.B. POWER TRANSFORMER (B) P.C.B. T701(Power transformer) AC IN P.C.B. CN701 R794 R795 Q791 D740 E C B RL702 CN711 CN702 T702(Power transformer) R793 D500 R773 CN703 W721B W722B R774 CN713 Q726 CN704 E C B C754 CN705 C758 CN712...
  • Page 24 OPERATION CIRCUIT : POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE -30.1V FL901 (A2BB00000115) FL DISPLAY A B C D E F G H I J K L M N O P Q R S T U V W X 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 53 54 R996...
  • Page 25 : NEGATIVE VOLTAGE LINE : AUDIO SIGNAL LINE MAIN CIRCUIT OPERATION CIRCUIT : POSITIVE VOLTAGE LINE : TUNER SIGNAL LINE 7.6V -10.4V W501 TUNER Lch/C TUNER Rch R511 R509 R597 C659 R631 A.GND 2.2K 16V10 3.9K Lch IN R512 47 R510 Rch IN C660 +B(10V)
  • Page 26 : POSITIVE VOLTAGE LINE MAIN CIRCUIT FAN MOTOR : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE 7.6V 7.6V -10.4V Q556 IC601 2SC5398RSTA JK551 RSN311W64B SWITCHING R566 POWER AMP 4.7V 0.5V FAN ON:0V FAN ON:0V R568 C556 R570 0.5V 16V10 2.2M Q557 C552 R559 7.6V...
  • Page 27 : POSITIVE VOLTAGE LINE MAIN CIRCUIT AC IN CIRCUIT : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE CN601 L605 SPEAKERS JK603 R649 JK601 C OUT CENTER(8 ) C OUT L604 HF(6 L602 R644 SPEAKERS R ch R640 SUR L IN L603 SUR L IN SURROUND(8 ) LF(8...

  • Page 28: Operation Circuit

    OPERATION CIRCUIT FL901 (A2BB00000115) FL DISPLAY 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 53 54 R996 A B C D...
  • Page 29 : POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE -30.1V A B C D E F G H I J K L M N O P Q R S T U V W X 5.1V Q901 UN4212TA RESET -30.1V -25.6V FM / AM...
  • Page 30 : NEGATIVE VOLTAGE LINE : AUDIO SIGNAL LINE OPERATION CIRCUIT : POSITIVE VOLTAGE LINE : TUNER SIGNAL LINE TUNER Lch/ TUNER Rc A.GN Lch I +B(10V R941 5.1V VR901 EVQVBXFK124B Z901 (VOLUME) SOUND B3RAD0000028 Q902 -B(-10V PROCESSOR (REMOTE SENSOR) UN411FTA (SH-DV290) V.GN MUTING CONT.

  • Page 31: Main Circuit

    MAIN CIRCUIT 7.6V -10.4V W501 TUNER Lch/C TUNER Rch R511 R509 R597 C659 R631 A.GND 2.2K 16V10 3.9K Lch IN R512 47 R510 Rch IN C660 R632 +B(10V) R598 10.4V 16V10 3.9K 2.2K SUR L C202 SUR R SOUND -B(-10V) PROCESSOR -10.4V (SH-DV290)
  • Page 32 : POSITIVE VOLTAGE LINE MAIN CIRCUIT : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE 7.6V -10.4V IC601 RSN311W64B POWER AMP -51.4V 54.1V -29.7V 29.4V -0.2V -29.3V 28.9V -59.5V 59.5V C648 1000P R612 R620 C610 120K R611 C609 R619 120K R610 150K C612 R622 120K...

  • Page 33: Power Supply Circuit

    FAN MOTOR 7.6V Q556 2SC5398RSTA JK551 SWITCHING R566 4.7V 0.5V FAN ON:0V FAN ON:0V R568 C556 0.5V R570 16V10 2.2M Q557 C552 R559 7.6V 2SA1995RSTA 0.01 4.7K -10.4V MOTOR DRIVE -10.4V -10.4V R558 0.3V R591 Q555 2.2K 4.7K 2SD2144STA Q551 Q554 SIGNAL LEVEL DET.
  • Page 34 : POSITIVE VOLTAGE LINE MAIN CIRCUIT : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE L605 SPEAKERS R649 JK601 HF(6 L602 R640 LF(8 L606 R650 JK602 HF(6 LF(8 L601 CP601 R639 C OUT C OUT SUR L OUT SUR L OUT SUR R OUT SUR R OUT CP602 SH SYNC...
  • Page 35 AC IN CIRCUIT CN601 JK603 C OUT CENTER(8 ) C OUT L604 R644 SPEAKERS R ch SUR L IN L603 SUR L IN SURROUND(8 ) SUR R IN R643 SUR R IN L ch R795 3.9K CN602 R712 2.2K SH SYNC SA SYNC D.GND Q726...
  • Page 36 BU4053BCFE2 C2BBFD000404 RSN311W64B UN411FTA 2SB1417PQTA 2SD2144STA C1BB00000527 UN4211TA 2SD2137PQTA UN4212TA ....... 2SA1995RSTA 2SC3940AQSTA 2SB1548PQAU...

  • Page 37: Power Supply Pcb

    FAN MOTOR To SOUND PROCESSOR SPEAKERS JK551 Z101 CP601 TUNER PACK CP101 MAIN P.C.B. CP602 ..W501 ..W722A ..W901A .
  • Page 40 Q607 (Q608) FM ANT W501 MUTING TUNER L/C TUNER Rch A.GND BU4053BCFE2 Lch IN IC201 Z101 TUNER PACK AM ANT SIGNAL SELECTOR (RAN0005EM-2) Rch IN Q605 +B(10V) MUTING SUR L SUR R SW CONT. To SOUND PROCESSOR BLOCK DIAGRAM Q902 -B(-10V) MUTING V.GND...
  • Page 41 PHONES R ch RSN311W64B IC601 Q609 POWER AMP (18) (Q610) MUTING Q606 MUTING D974 D601 POWER CONTROL CIRCUIT (25) SURROUND C1BB00000527 IC151 RDS SIGNAL DEMODULATOR CENTER 3,11 SPEAKERS Q612 VDDA/D VREF FLOUT (12) MUTING CLOCK CONT. RECOVERY REFERENCE (57kHz) (1187.5kHz) VOLTAGE 4,10 VssA/D...
  • Page 42 Q702,705 REGULATOR T701 /STABILIZER D702,704, 752,754,755 D701,703, 751,753,761 Q703,704 REGULATOR Q723 NOTES : SIGNAL LINE L701 : AUDIO SIGNAL REGULATOR : TUNER SIGNAL Q701 AC IN ) indicates pin No. Right channel. Z701 REGULATOR RL702 AC IN D717~720 FP791 Q711,712,725 Q791 REGULATOR RELAY...

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