Technics SH-DV290-EG Service Manual

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

SPECIFICATIONS

system.

Note: Refer to the service manual for Model No.

SA-DV290E/EG/EB (ORDER NO.AD0303067C2) for

information on “ACCESSORIES”and “PACKAGING”.

Specification

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) VDP (AUX)

Output level

VCR REC OUT

DOLBY PRO LOGIC section PRO LOGIC mode SURROUND CENTER mode NORMAL DELAY TIME 20 ms (Fixed)

AV SURROUND section AV surround mode

SUPER SURROUND (MUSIC, MOVIE)

DSP CONTROL section DSP control mode SUPER SOUND EQ

VIRTUAL REAR SURROUND

MULTI REAR SURROUND

Spectrum analyzer section Display mode NORMAL, PEAKHOLD, AURORA

General Dimensions (W×H×D) 293×89×270 mm Mass 1.5 kg Power Supply DC±10V/ -25V, AC4.6V Power Consumption 7W Nots 1.Design and specifications are subject to

change without notice.

2.Dimensions and weight are approximate.

3.Total harmonic distortion is measured by the digital spectrum analyzer.

System/SC-DV290

Sound processor: SH-DV290, DVD/ Video CD/ CD changer: SL-DV290, Tuner/ Amplifier: SA-DV290 , Cassette Deck: RS-DV290, Speakers: Front* (SBDV290),Center* (SB-PC95),Surround* (SB-PS95) (*Made in MAES.)

Manufactured under license from Dolby Laboratories. / “Dolby”,”Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories.

250 mV/15 k 250 mV/15 k

150 mV/1.5 k

CENTER FOCUS

SEAT POSITION

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. Operating Instructions

3. Operation Checks and Component Replacement Procedures

- This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.

- For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required.

3.1. Checking for the FL P.C.B.

- 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.

- Check the main P.C.B. as shown below.

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. 1

7. Schematic Diagram Notes

7.1. Type Illustrations of IC’s, Transistors and Diodes

7.2. Schematic Diagram Notes

- This schematic diagram may be modified at any time with development of new technology.

Notes:

- 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.

- S607: Multi rear surround (MULTI REAR SURROUND) switch.

- S608: Jog control ( ) switch.

- S609: Jog control ( ) switch.

- S610: Jog control ( ) switch.

- S611: Jog control ( ) switch.

- S612: Super 3D AI EQ (SUPER 3D AI EQ) switch.

- S613: Seat position (SEAT POSITION) switch.

- S614: Joystick (MULTI JOG) switch.

- Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard. Therefore, there may exist some errors in the voltage values, depending on the internalimpedanceof the DC circuit tester. /

No mark: Power on Important safety notice:

Components identified by mark have special characteristics impotant for safety. Furthermore, special parts which have purpose of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufacture’s specified parts showninthe parts list.

Caution!

- IC and LSI are sensitive to static electricity.

- Secondary trouble can be prevented by taking care during repair.

- Cover the parts boxes made of plastics with aluminum foil.

- Ground the soldering iron.

- Put a conductive mat on the work table.

- Do not touch the legs of IC or LSI with the fingers directly.

Voltage and signal line

: 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

No.

10 DSP SNS I Sense signal input terminal

11 DSP

12 DSP CK O Clock signal output terminal

Mark I/O /

Division

1 KEY1 I Operation key1 signal input

terminal

2 KEY2 I Operation key2 signal input

terminal

3 SP IN I A/D signal input terminal

from IC602

4 SP A O Band select signal output

terminal for IC602

5 SP B O Band select signal output

terminal for IC602

6 SP C O Band select signal output

terminal for IC602

7 SA CS I Chip select signal input

terminal

8 DSP RST O Reset signal output terminal

for IC401

9 DSP CS O Chip select signal output

terminal for IC401

from IC401

I Acknowledge signal input

ACK

terminal from IC401

for IC401

Function

No.

Mark I/O /

Division

Function

13 DSP DO O Data signal output terminal

for IC401

14 DSP DI I Data signal input terminal

for IC401 15 JOGA I JOG A signal input terminal 16 JOGB I JOG B signal input terminal 17 CNVSS I Connected to GND through

resistor 18 RESET I System reset signal input

terminal 19 NC - Not used, open 20 NC - Not used, open 21 VSS - GND terminal 22 XIN I Ceramic oscillator input

terminal (f=4MHz) 23 XOUT O Ceramic oscillator output

terminal (f=4MHz) 24 VCC I Power supply input terminal 25 NC - Not used, open 26 NC - Not used, open 27 LED CFO O ORANGE LED(CENTER

FOCUS) signal output

terminal 28 LED CFG O GREEN LED(CENTER

FOCUS) signal output

terminal 29 BR93

DATA

I Data signal input terminal

from EEPROM 30 BR93 CS - Not used, open 31 BR93 CK - Not used, open 32 SYNC I Power failure detect signal

input terminal 33 SA REQ O Request signal output

terminal for Tuner/Amplifier 34 SA CK O Serial communication

signal output terminal for

Tuner/Amplifier 35 SA DO O Serial communication

signal output terminal for

Tuner/Amplifier 36 SA DI I Serial communication

signal input terminal from

Tuner/Amplifier

No.

Mark I/O /

Division

Function

37 LED SSS O LED(SUPER

SURROUND)signal output

terminal 38 LED DPL O LED(DOLBY PRO LOGIC)

signal output terminal 39 LED

SPO

O ORANGE LED (SEAT

POSITION) signal output

terminal 40 LED SPG O GREEN LED (SEAT

POSITION) signal output

terminal 41 LED 3DO O ORANGE LED (3D

ENHANCED SURROUND)

signal output terminal 42 LED 3DG O GREEN LED (3D

ENHANCED SURROUND)

signal output terminal 43 LED

MRO

O ORANGE LED (MULTI REAR

SURROUND) signal output

terminal 44 LED

MRG

O GREEN LED (MULTI REAR

SURROUND) signal output

terminal 45 LED

VRO

O ORANGE LED (VIRTUAL

REAR SURROUND) signal

output terminal 46 LED

VRG

O GREEN LED (VIRTUAL

REAR SURROUND) signal

output terminal

47-80P1-P34 O Segment signal output

terminal 81 --- - Not used, open

82-887G-1G O Grid signal output terminal

89 VEE I Power supply input terminal 90 CD&

DECK DI

91 CD&

DECK

I Data signal input terminal

(DVD and deck machanism)

O Data signal output terminal

(DVD and deck machanism)

92 CD&

DECK

I Clock signal input terminal

(DVD and deck machanism)

93 NC - Not used, open

No.

94 CD REQ O Serial data request signal

95 DECK

96 CD&

97 AVSS - GND terminal 98 VREF I Reference voltage input

99 REG IN0 I Destination select signal

100 REG IN1 I Destination select signal

Mark I/O /

Division

O Serial data request signal

REQ

DECK

Function

output terminal for DVD

output terminal for deck

machanism

I Chip select signal input

terminal (DVD and deck

machanism)

terminal

input terminal

11. Replacement Parts List

Note:

*Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fireretardant (resistors), high-quality sound (capacitors), lownoise (resistors), etc. are used. When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list. *The markings (RTL) indicate the retention time is limited for this items. After the discontinuation of this assemblies in production, it will no longer be available. *Capacity values are in microfarads (uF) unless specified otherwise, P=Pico-farads (pF) F=Farads (F) *Resistance values are in ohms, unless specified otherwise, 1K= 1,000 (OHM), 1M=1,000K (OHM) *All parts are supplied by SPC.

Ref. No. Part No. Part Name & Description Pcs Remarks

1 RKA0105-K RUBBER 4 2 RKA0106-N FOOT RING 4 3 RYP1176-S FRONT PANEL ASS’Y 1 3-1 RGB0025-A TECHNICS BADGE 1 3-2 RKW0576A-1V FL WINDOW 1 3-3 RGK1242-S JOG RING ORNAMENT 1 3-4 RGW0344-S1 JOG KNOB 1 3-5 RGW0345-S JOY KNOB 1 3-6 RMB0594 JOY SPRING 1 3-7 RMQ0882 JOY LEVER 1 3-8 RMQ0883 JOY SUPPORT 1 3-9 RMQ0884 JOY BASE 1 3-10 RMQ0885 JOG KNOB BASE 1 3-11 RMX0169 RING 1

4 XTB3+8JFZ SCREW 11 5 RHD30007-1S SCREW 4

6 RKM0400-S1 TOP CABINET 1 7 RMN0526 FL HOLDER 1 8 REZ1299 WIRE ASS’Y 1 9 RGR0285E-F REAR PANEL 1

C109 ECA1CAK100XB 16V 10U 1 C131-36 ECUV1H101KCV 50V 100P 6 ECJ1VC1H101K C143 ECUV1H101KCV 50V 100P 1 ECJ1VC1H101K C201-04 ECBT1H331KB3 50V 330P 4 C205,06 ECBT1H330J5 50V 33P 2 F1D1H330A006 C207,08 ECEA1HKA4R7 50V 4.7U 2 C209,10 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C211,12 ECBT1H104KB5 50V 0.1U 2 F1D1H1040002 C213-15 ECBT1H470J3 50V 47P 3 C216,17 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C221,22 ECBA1H101KB5 50V 100P 2 C223,24 ECA1CAK100XB 16V 10U 2 C225-33 ECBA1H101KB5 50V 100P 9 C288,89 ECA1CAK100XB 16V 10U 2 C301-04 ECEA1HKA4R7 50V 4.7U 4 C305,06 ECBA1H101KB5 50V 100P 2 C307,08 ECBT1H100JC5 50V 10P 2 F1D1H100A015 C309,10 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C311 ECA1CAK100XB 16V 10U 1 C312 ECA1CAK220XB 16V 22U 1 C313,14 ECA1CAK100XB 16V 10U 2 C315,16 ECBA1H101KB5 50V 100P 2 C317 ECBT1C562KR5 16V 5600P 1 F1D1C562A010 C318 ECBT1H270J5 50V 27P 1 ECBT1H270J3 C319-22 ECA1CAK100XB 16V 10U 4 C323,24 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C327 ECBT1H333KB5 50V 0.033U 1 ECBT1H333KB3 C328,29 ECA1CAK220XB 16V 22U 2 C343,44 ECA1CAK100XB 16V 10U 2 C345,46 ECBA1H101KB5 50V 100P 2 C347,48 ECBT1H220J5 50V 22P 2 F1D1H220A006 C349,50 ECA1CAK100XB 16V 10U 2

Ref. No. Part No. Part Name & Description Pcs Remarks

C351,52 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C354 ECA1CAK100XB 16V 10U 1 C356 ECA1CAK100XB 16V 10U 1 C401 ECJ1VB1E223K 25V 0.022U 1 C402,03 ECUVNH103KBV 50V 0.01U 2 F1H1H103A748 C404 ECA0JAK470XH 6.3V 47U 1 C501 ECBT1C103MS5 16V 0.01U 1 F1D1C103A004 C502 ECBT1H331KB3 50V 330P 1 C503,04 ECBA1H101KB5 50V 100P 2 C505 ECBT1C103MS5 16V 0.01U 1 F1D1C103A004 C506 ECA1CAK330XB 16V 33U 1 C507 RCE1HKAR47BG 50V 0.47U 1 F2A1HR47A015 C508 ECA1CAK100XB 16V 10U 1 C509,10 ECA1CAK220XB 16V 22U 2 C511 ECA1CAK100XB 16V 10U 1 C512 ECA1CAK330XB 16V 33U 1 C601 ECBT1H104KB5 50V 0.1U 1 F1D1H1040002 C602 ECA0JM102 6.3V 1000U 1 C603,04 ECBT1H102KB3 50V 1000P 2 C605 ECA1VAK330XB 35V 33U 1 C606,07 ECBT1H471KB3 50V 470P 2 C608 ECBT1H221KB3 50V 220P 1 C609,10 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C611 ECA1HAK3R3XB 50V 3.3U 1 C612,13 F2A1C220A034 16V 22U 2 C614 ECA1CAK100XB 16V 10U 1 C615 ECA1VAK330XB 35V 33U 1 C616 ECEA1VKS330Q 35V 33U 1 C618,19 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C620,21 ECA1HAK0R1XB 50V 0.1U 2 C622,23 ECBT1H104KB5 50V 0.1U 2 F1D1H1040002 C624 ECBT1C103MS5 16V 0.01U 1 F1D1C103A004 C625 ECA0JAK101XB 6.3V 100U 1 C626 ECBT1H473KB5 50V 0.047U 1 F1D1H473A012 C627,28 F2A1C220A034 16V 22U 2 C753,54 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C761-63 ECBT1C103MS5 16V 0.01U 3 F1D1C103A004 C764 ECA1AAK221XH 10V 220U 1 C765 ECBT1C103MS5 16V 0.01U 1 F1D1C103A004 C766 ECA1CAK100XB 16V 10U 1 C767 ECBT1C103MS5 16V 0.01U 1 F1D1C103A004 C768 ECA1CAK100XB 16V 10U 1 C769 ECBT1C103MS5 16V 0.01U 1 F1D1C103A004 C770 ECA1CAK100XB 16V 10U 1 C771,72 ECBT1C103MS5 16V 0.01U 2 F1D1C103A004 C773 ECA1AAK221XH 10V 220U 1 C774 ECA1CAM221XB 16V 220U 1 C801 ECJ1VC1H120J 50V 12P 1 C802 ECJ1VC1H050C 50V 5P 1 C803 ECJ1VB1H102K 50V 1000P 1 C804 ECJ1VB1C104K 16V 0.1U 1 C805 ECJ1VB0J105K 6.3V 1U 1 C806,07 ECJ1VB1H222K 50V 2200P 2 C808-10 ECUVNH103KBV 50V 0.01U 3 F1H1H103A748

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