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Summary of Contents for Daewoo AMI-921DP
- Page 1 Service Manual MINI COMPONENT SYSTEM Model : AMI-921DP / 921DPR DAEWOO ELECTRONICS CO., LTD.
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Page 2: Table Of Contents
TABLE 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 LAYOUT .................... -
Page 3: Safety Precautions
SAFETY PRECAUTIONS WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE laundry tub, in a wet basement, or near a swimming pool, THIS APPLIANCE TO RAIN OR MOISTURE. and the like. 2. Carts and Stands - The appliance PORTABLE CART CAUTION should be used only with a cart or RISK OF ELECTRIC SHOCKS... - Page 4 SAFETY PRECAUTIONS 13.Outdoor Antenna Grounding - If an outside antenna is 15.Object and Liquid Entry - Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through connected to the receiver be sure the antenna system is openings.
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Page 5: Adjustments
ADJUSTMENTS 1. TUNER SECTION FM Antenna FM RF SSG TEST EQUIPMENT Terminal(75 ohm) 75 ohm Coaxal 1. Signal Generator with a frequency range of FM broadcast. 2. Oscilloscope with a side amplifier of approximately 100 KHz. Carrier Frequency : 98MHz 3. -
Page 6: Adjust Tape A(1), Tape B(2) Respectively, Please Secure The Azimuth Position By Using Locking Paint
ADJUSTMENTS E-F BALANCE ADJUSTMENT 1. Connect oscilloscope to test point TP502 and TP503 on CD PCB. Traverse Waveform 2. Press power switch on. 3. Put test disc(TCD-781) in and press play button then pause button. 4. Pressing Fast Forward button, adjust RV502 to get that the oscilloscope waveform is symmetrical on the bottom in relation to 0V, and check this level. - Page 7 ADJUSTMENTS TAPE ALIGNMENT CHART Step Item Reference Value Test Tape Adjust Point Test Point Note FIG. Line Out L/R Confirm Wow & Flut- 3,015~3,025Hz MTT-111N RV601 FIG.1 Channel ter is within 0.35% Confirm Tape Speed Normal Line Out L/R of end position after Tape Speed 3,000~3,010Hz MTT-111N...
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Page 8: Exploded View And Parts List
EXPLODED VIEW AND PARTS LIST AMI- 921DP / 921DPR... - Page 9 EXPLODED VIEW AND PARTS LIST Parts Name PARTS Code Description Q'ty Parts Name PARTS Code Description Q'ty 9CD16148A0 ACRYL HEAT SINK P 9CD4404200 AL T=2.0 WINDOW DOOR A/B 9CD16148B0 ACRYL COVER SIDE R 9CD0410000 MIPS 9CD18100A0 MIPS COVER BACK 9CD0409807 MIPS DOOR COVER A/B 9CD18100B0...
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Page 10: Wiring Diagram
WIRING DIAGRAM AMI- 921DP / 921DPR... -
Page 11: Block Diagram
BLOCK DIAGRAM AMI-921DP / 921DPR... -
Page 12: Schematic Diagram
SCHEMATIC DIAGRAM 1. POWER / AMP AMI-921DP / 921DPR... - Page 13 SCHEMATIC DIAGRAM 2. CD AMI-921DP / 921DPR...
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Page 14: Tuner
SCHEMATIC DIAGRAM 3. TUNER AMI-921DP / 921DPR 2-Band... - Page 15 SCHEMATIC DIAGRAM AMI-921DP / 921DPR FTZ 2-Band...
- Page 16 SCHEMATIC DIAGRAM AMI-921DP / 921DPR FTZ 3-Band...
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Page 17: Tape
SCHEMATIC DIAGRAM 4. TAPE AMI-921DP / 921DPR... -
Page 18: Control
SCHEMATIC DIAGRAM 5. CONTROL AMI-921DP / 921DPR... -
Page 19: Pcb Pattern Layout
PCB PATTERN LAYOUT AMP / TUNER * AMI-921DP... - Page 20 PCB PATTERN LAYOUT TAPE * AMI-921DP / 921DPR * AMI-921DP / 921DPR POWER * AMI-921DP / 921DPR...
- Page 21 PCB PATTERN LAYOUT POWER CONTROL * AMI-921DP / 921DPR * AMI-921DP / 921DPR...
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Page 22: Electrical Parts List
ELECTRICAL PARTS LIST 1. 921DPR _ 2 Band Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location AM RF UNIT 5LR0000826 RBW07VB-K5020 L101 C ELECTRO CEXE1C102A 16V RS 1000MF 13X20 CE515 C CERA CCXB1H271K 50V B 270PF K (TAPPING) CC208 C ELECTRO CEXF1A102V... - Page 23 Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location C MYLAR CMXM1H152K 50V 1500 PF K CM605 CM606 "KKP419C,KLCE- CORD AC 9736900200 AC901 2F,0.75SQURE" C MYLAR CMXM1H153J 50V 0.015MF J (TP) CM201 CORE BEAD 9768602000 H.B-T15X25X13ON BD501 C MYLAR...
- Page 24 Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location JACK ANT 9736321900 PAT645 J001 R259 R401 R402 R509 R523 R CARBON FILM RD-AZ123J- 15 1/6 12K OHM J R526 R531 R532 R533 R538 JACK HEAD- R539 R557 R558 R619 R620 9766319501 HTJ-064-05B GOLD...
- Page 25 Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location R CARBON FILM RD-AZ479J- 1/6 4.7 OHM J R660 SW701 SW703 SW704 SW705 SW706 SW707 SW708 SW709 SW710 SW711 R308 R319 R569 R570 R571 SW712 SW713 SW714 SW715 SW716 R CARBON FILM RD-AZ561J- 1/6 560 OHM J SW TACT...
- Page 26 2. 921DPR _ 3 Band Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location C CERA CCXB1H271K 50V B 270PF K (TAPPING) CC208 CE201 CE214 CE251 CE307 CE315 C ELECTRO CEXF1E101V 14 25V RSS 100MF (6.3X11) TP CE506 CE508 CE509 CE510 CE514 CC002 CC004 CC102 CC201 CC205 CE516 CE524 CE602 CE704...
- Page 27 Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location CM322 CM323 CM403 CM404 CM601 CRYSTAL C MYLAR CMXM1H223J 50V 0.022MF J 5XA32R768- DT-38 32.768KHZ 20PPM XC702 CM602 CM617 QUARTZ C MYLAR CMXM1H332J 50V 3300 PF J CM615 CM616 CM618 DIODE DRL202----...
- Page 28 Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location JACK RCA 9CD6313700 S-436P J401 R259 R401 R402 R509 R523 R CARBON FILM RD-AZ123J- 12 1/6 12K OHM J R531 R538 R539 R557 R558 JACK SPEAKER 9736320500 CJ-9007-040 J802...
- Page 29 Parts Name Parts Code Q'ty Description Location Parts Name Parts Code Q'ty Description Location R CARBON FILM RD-AZ479J- 1/6 4.7 OHM J R660 Q613 Q623 Q711 Q713 Q714 KRA111-M TAP- TKRA111M-- Q715 Q716 Q801 Q804 Q806 PING(KSR2010) R308 R319 R569 R570 R571 Q810 Q904 R CARBON FILM RD-AZ561J- 1/6 560 OHM J...
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