background image

2

WARNING

: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE 

THIS APPLIANCE TO RAIN OR MOISTURE.

  CAUTION :

TO REDUCE THE RISK IF ELECTRIC SHOCK, DO NOT

REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS 
INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

THIS SYMBOL IS INTENDED TO ALERT THE USER TO THE 
PRESENCE OF UNINSULTED "DANGEROUS VOLTAGE"

 

WITHIN THE PRODUCT'S ENCLOSURE THAT MAY BE 
SUFFICIENT  MAGNITUDE TO CONSTITUTE A RISK OF 
ELECTRIC SHOCK TO PERSONS.

THIS SYMBOL IS INTENDED TO ALERT THE USER TO THE
PRESENCE OF IMPORTANT OPERATING  AND MAINTENANCE 
(SERVICING) INSTRUCTIONS IN THE LITERATURE 
ACCOMPANYING THE APPLIANCE.

CAUTION

  TO PREVENT ELECTRIC SHOCK, DO NOT USE THIS POLARIZED AC    
  PLUG WITH AN EXTENSION CORD, RECEPTACLE  OR OTHER OUTLET  
  UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE 
  EXPOSURE.

LASER SAFETY

  THIS UNIT EMPLOYS A  LASER. ONLY QUALIFIED SERVICE  PERSONNEL 
  SHOULD REMOVE THE COVER OR ATTEMPT TO SERVICE THIS DEVICE 
  DUE  TO POSSIBLE EYE INJURY.

  CAUTION :

 USE OF ANY CONTROLS, ADJUSTMENTS,  OR PROCEDURES 

  OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS
  RADIATION EXPOSURE.

CAUTION :

 TO PREVENT  ELECTRIC SHOCK, MATCH WIDE BLADE OF 

PLUG TO WIDE SLOT, FULLY INSERT.

ATTENTION :

  POUR EVITER  LES CHOCS  ELECTRIQUES, INTRODUIRE 

LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPON-
DANTE   DE LA   PRISE ET  POUSSER JUSQU'AU FOND.

Important Safety Instructions

- All the safety and operating instructions should be read before   

the appliance is operated.

- The safety and operating instructions should be retained for 

future reference.

- All warnings on the appliance and in the operating instructions 

should be adhered to.

- All operating and use instructions should be followed.
1.  Water and Moisture - The appliance should not be

 

used near 

water - for example, near a bathtub, washbowl, kitchen sink,

laundry tub, in a wet basement, or near a swimming pool,
and the like.

2.  Carts and Stands - The appliance

should be used only with a cart or
stand that is recommended by th
manufacturer.

3.  An appliance and cart combination 

should

 

be moved with care.

 

Quick 

stops, excessive force, and uneven

 

surfaces may cause the appliance 
and

 

cart combination to overturn.

4.  Wall or Ceiling Mounting - The appli-

ance

 

should be mounted to a wall or

 ceiling

 

only as recommended by the

 

manufacturer.

5.  Ventilation - The appliance should be situated so

 

that its 

location or position does not interfere with

 

its proper 

ventilation.  For example, the appliance

 

should not be situated 

on a bed, sofa, rug, or

 

similar surface that may block the 

ventilation

 

openings; or, placed in a built-in installation, such

 

as a bookcase or cabinet that may impede the flow

 

of air 

through the ventilation openings.

6.  Heat - The appliance should be situated away from

 

heat 

sources such as radiators, heat registers,

 

stoves, or other 

appliances (including amplifiers) that

 

produce heat.

7.  Power Sources - The appliance should be

 

connected to a 

power supply only of the type

 

described in the operating 

instructions or as marked

 

on the appliance.

8.  Grounding or Polarization - The precautions that

 

should be 

taken so that the grounding or

 

polarization means of an 

appliance is not defeated.

9.  Power - Cord Protection - Power-supply cords

 

should be 

routed so that they are not likely to be

 

walked on or pinched 

by items placed upon or

 

against them, paying particular 

attention to cords at

 

plugs, convenience receptacles, and the 

point where

 

they exit from the appliance.

10.Protective Attachment Plug - The appliance is equipped with 

an attachment plug having overload

 

protection.  This is a 

safety feature.

 

See Instruction Manual for replacement or 

resetting of

 

protective device. If replacement of the plug is 

required, be sure the

 

service technician has used a 

replacement plug

 

specified by the manufacturer that has the 

same overload protection as the original plug.

11.Cleaning - The appliance should be cleaned only as

 

recommended by the manufacturer.

12.Power Lines - An outdoor antenna should be located

 

away 

from power lines.

SAFETY PRECAUTIONS

CAUTION

RISK OF ELECTRIC SHOCKS

DO NOT OPEN

PORTABLE CART 

Figure 2

Summary of Contents for AMI-921DP

Page 1: ...Service Manual MINI COMPONENT SYSTEM Model DAEWOO ELECTRONICS CO LTD AMI 921DP 921DPR...

Page 2: ...LE OF CONTENTS SAFETY PRECAUTIONS 2 ADJUSTMENTS 4 EXPLODED VIEW AND PARTS LIST 7 WIRING DIAGRAM 9 BLOCK DIAGRAM 10 SCHEMATIC DIAGRAM 11 POWER AMP 11 CD 12 TUNER 13 TAPE 16 CONTROL 17 PCB PATTERN LAYOU...

Page 3: ...with a cart or stand that is recommended by th manufacturer 3 An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and c...

Page 4: ...that objects do not fall and liquids are not spilled into the enclosure through openings 16 Damage Requiring Service The appliance should be serviced by qualified service personnel when a The power su...

Page 5: ...der to comply with FTZ regulation in West Germany 2 CD SECTION Note 1 Use the oscilloscope with more than 10M impedance 2 Clean an object lens by an applicator with natural detergent when the signal l...

Page 6: ...is adjustment 2 Connect to VTVM or oscilloscope to the headphone jack or speaker terminal 3 Press the play button 4 Adjust the azimuth by using a screw driver to maintain the max L R output voltage 5...

Page 7: ...nnel FIG 2 3 4 3 Recording Bias Oscilla tor Frequency Adjust ment 80 KHz 0 5 MTT 5511 L603 TP603 GND Adjust with frequency counter connected FIG 1 FIG 1 Tape Speed Record Bias Oscillator Frequency Adj...

Page 8: ...7 EXPLODED VIEW AND PARTS LIST AMI 921DP 921DPR...

Page 9: ...PCB DECK 9CD2303600 MIPS 2 25 DOOR CD 9CD1810100 MIPS 1 26 HEAT SINK 9CD4402800 BSP T 0 5 1 27 CD MECHANISM 9CD6007100 CMS FR3 B TYPE 1 28 COVER TOP 9CD0409600 MIPS 1 29 COVER SIDE L 9CD0409900 MIPS...

Page 10: ...9 WIRING DIAGRAM AMI 921DP 921DPR...

Page 11: ...10 BLOCK DIAGRAM AMI 921DP 921DPR...

Page 12: ...11 SCHEMATIC DIAGRAM 1 POWER AMP AMI 921DP 921DPR...

Page 13: ...12 SCHEMATIC DIAGRAM 2 CD AMI 921DP 921DPR...

Page 14: ...13 SCHEMATIC DIAGRAM 3 TUNER AMI 921DP 921DPR 2 Band...

Page 15: ...14 SCHEMATIC DIAGRAM AMI 921DP 921DPR FTZ 2 Band...

Page 16: ...15 SCHEMATIC DIAGRAM AMI 921DP 921DPR FTZ 3 Band...

Page 17: ...16 SCHEMATIC DIAGRAM 4 TAPE AMI 921DP 921DPR...

Page 18: ...17 SCHEMATIC DIAGRAM 5 CONTROL AMI 921DP 921DPR...

Page 19: ...18 PCB PATTERN LAYOUT AMP TUNER AMI 921DP...

Page 20: ...19 PCB PATTERN LAYOUT CD TAPE AMI 921DP 921DPR AMI 921DP 921DPR POWER AMI 921DP 921DPR...

Page 21: ...20 PCB PATTERN LAYOUT POWER CONTROL AMI 921DP 921DPR AMI 921DP 921DPR...

Page 22: ...PF J AXL 52MM CC524 CC525 C ELECTRO CEXE1C102A 1 16V RS 1000MF 13X20 CE515 C ELECTRO CEXF1A102V 1 10V RSS 1000MF 10X16 TP CE703 C ELECTRO CEXF1C221V 5 16V RSS 220MF 8X11 5 TP CE507 CE511 CE512 CE513 C...

Page 23: ...LE CN402 CONN WAFER 9CD6258800 1 2P S2B XH A CW101 CONN WAFER 9CD6259300 1 52807 1610 CW501 CONN WAFER 9CD6259600 1 2503 WS 2P CW502 CONN WAFER 9736407900 1 52084 1010 10P BOTTOM CW402 CONN WAFER 9736...

Page 24: ...J R259 R401 R402 R509 R523 R526 R531 R532 R533 R538 R539 R557 R558 R619 R620 R CARBON FILM RD AZ124J 1 1 6 120K OHM J R513 R CARBON FILM RD AZ151J 3 1 6 150 OHM J R302 R313 R323 R CARBON FILM RD AZ15...

Page 25: ...3 1 CSA16 93MXZ04 XC501 SW ENCORDER 5SH162401 1 EC16B24204 24P W DETENT VR701 Parts Name Parts Code Q ty Description Location SW TACT 5S50101001 29 KPT 1105A 1C 1P SW701 SW703 SW704 SW705 SW706 SW707...

Page 26: ...5 16V RSS 220MF 8X11 5 TP CE507 CE511 CE512 CE513 CE517 C ELECTRO CEXF1E101V 14 25V RSS 100MF 6 3X11 TP CE201 CE214 CE251 CE307 CE315 CE506 CE508 CE509 CE510 CE514 CE516 CE524 CE602 CE704 C ELECTRO CE...

Page 27: ...0 1 2503 WS 2P CW502 CONN WAFER 9736407900 1 52084 1010 10P BOTTOM CW402 CONN WAFER 9736408300 1 52492 1920 19P BOTTOM CW508 CONN WAFER 9736408400 1 52045 1945 19P CW508 CORD AC 9736900200 1 KKP419C K...

Page 28: ...R531 R538 R539 R557 R558 R619 R620 R CARBON FILM RD AZ124J 3 1 6 120K OHM J R513 R535 R536 R CARBON FILM RD AZ151J 3 1 6 150 OHM J R302 R313 R323 R CARBON FILM RD AZ152J 7 1 6 1 5K OHM J R310 R321 R6...

Page 29: ...ENCORDER 5SH162401 1 EC16B24204 24P W DETENT VR701 SW TACT 5S50101001 29 KPT 1105A 1C 1P SW701 SW703 SW704 SW705 SW706 SW707 SW708 SW709 SW710 SW711 SW712 SW713 SW714 SW715 SW716 SW717 SW718 SW720 SW7...

Reviews: