Daewoo AXW-118, AMI-926RW, AXW-128, AMI-926LW Service Manual
AXW-118
AXW-128
AMI-926LW/RW
9CD8301500
AXW-128
AMI-926LW/RW
AXW-118
SAFETY PRECAUTIONS.................................................................................2~3
ADJUSTMENTS................................................................................................4~5
EXPLODED VIEW AND PARTS LIST .................................................................6
AXW-118.....................................................................................................................6~7
AXW-128....................................................................................................................8~9
AMI-926LW/RW.......................................................................................................10~11
WIRING DIAGRAM ........................................................................................... 12
BLOCK DIAGRAM .............................................................................................13
SCHEMATIC DIAGRAM ...............................................................................14~21
MAIN.............................................................................................................................14
TUNER.........................................................................................................................15
TAPE.............................................................................................................................16
CD ................................................................................................................................17
FRONT(AXW-118/AXW-128)........................................................................................18
FRONT(AMI-926LW/RW).............................................................................................19
POWER........................................................................................................................20
PCB PATTERN LAYOUT ............................................................................. 21~26
ELECTRICAL PART LIST ............................................................................27~33
Table of Contents
1
MINI COMPONENT SYSTEM
AXW-118
AXW-128
AMI-926LW/RW
Safety Precautions
2
Safety Precautions
3
Adjustments
4
Adjustments
5
j
2. TAPE SECTION
Test Tape be used
HEAD ADJUSTMENT (AZIMUTH)
1. 10KHz test tape(example: MTT-114N) must be used for this 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. Adjust tape A(1), tape B(2) respectively, Please secure the azimuth position by using locking paint.
RECORDING BIAS OSCILLATOR FREQUENCY ADJUSTMENT
1. Connect the frequency counter to TP603, GND.
2. Press the REC button.
3. Adjust L603 to obtain 80 KHz
±
500Hz
Tape Contents Use
MTT-111N 3 KHz Tape Speed Adjustment
MTT-114N 10 KHz Head Azimuth Adjustment
MTT-5511 Blank Record Frequency Property
VTVM
Scope
R-CH
L-CH
47 kohm
47 kohm
Input Level
Measurement
Point
Input Point
Output Level
Measurement
Point
TAPE ALIGNMENT CHART
Step Item Reference Value Test Tape Adjust Point Test Point Note FIG.
1
Tape Speed
Adjustment
Normal
3,015~3,025Hz MTT-111N RV601
Line Out L/R
Channel
Line Out L/R
Channel
Confirm Wow & Flutter is within 0.35%
FIG.1
3,000~3,010Hz MTT-111N RV601
Line Out L/R
Channel
Confirm Tape Speed
of end position after
adjustment at tape
start position
FIG.1
High
5,820~6,180Hz MTT-111N - - - - - -
Confirm High speed
after normal speed
adjustment
FIG.1
2
Azimuth Adjustment
Maximum Level
Phase:Within90∞
MTT-114N Head Screw
Line Out L/R
Channel
FIG.2,3,4
3
Recording Bias Oscillator 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 Adjust Circuit
Test Tape : MTT-111N(3kHz)
MTT-5511(Blank)
Frequency Counter
Output Level
Measurement Point
Set
FIG. 2 : Tape Azimuth Adjust Location
(Record/Playback Head)
FIG. 3 : Tape Azimuth Adjust Head Screw & Waveform
FIG. 4 : Tape Azimuth Adjust Circuit & Waveform
Forward
Side
Reverse
Side
Adjust with Frequency
Counter Connected
L-CH
Peak
R-CH
Peak
Screw
Angle
Output Level
within
1 dB
within
1 dB
L-CH
Peak
R-CH
Peak
Screw Angle
VH
Oscilloscope
L-CH
Output Level
Measurement Point
Set
Test Tape
MTT-114N
(10kHz)
Screen Pattern
In Phase 45 90 135 180
Good Wrong
Exploded View and Mechanical Parts List
Model : AXW-118
6
Exploded View and Mechanical Parts List
Model : AXW-118
7
AXL-122L/124L/125R/123DP/125DP/128L
Exploded View and Mechanical Parts List
Model : AXW-128
8
No. Part Name Part Code Q’ty Remark
1 WINDOW DOOR A 9CD16177A0 MIPS 1
2 WINDOW DOOR B 9CD16177B0 MIPS 1
3 DOOR COVER A 9CD18123A0 MIPS 1
4 DOOR COVER B 9CD18123B0 MIPS 1
5 SRING DOOR EJECT R 9CD30080R0 STS 0.9 1
6 SRING DOOR EJECT L 9CD30080L0 STS 0.9 1
7 DOOR FRAME A 9CD18113A0 MIPS 1
8 DOOR FRAME B 9CD18113B0 MIPS 1
9 CUSHION FOOT 9CD4207700 URETHAN 2
10-A DAMPER GEAR B 9CD2603200 ACETAL 2
10-B DAMPER BASE B 9CD2603300 ABS 2
11-A LOCKER BASE 9CDOB01900 ABS 2
11-B LOCKER CAM 9CDOB02000 ABS 2
11-C LOCKER SPRING 9CDOB01600 STS 2
12 BRKT SIDE 9CD2412900 ABS 2
13 KNOB CD A 9CD1342200 ABS 1
14 KNOB CD B 9CD1342300 ABS 1
15 DECO EQ L 9CD10034L0 ACRYL 1
16 DECO EQ R 9CD10034R0 ACRYL 1
17 KNOB FUNCTION 9CD1342400 ACRYL 4
18 PLATE FUNCTION 9CD0911900 PC 4
19 KNOB POWER 9CD1342600 ABS 1
20 KNOB DISC 9CD1342500 ABS 1
21-A CASSETTE DECK LOGIC 9CD6007800 ADR-243AMW 1
124L/125L/127L/125DP
21-B CASSETTE DECK LOGIC 9CD6007700 ADR-243DSW 1
122L
22 BADGE DAEWOO 9CD1500900 ABS 1
23 PANEL FRONT 9CD0308600 MIPS 1
24 DECO VOL 9CD1003300 ABS 1
25 KNOB VOL 9CD1342700 ABS 1
26 WINDOW FLT 9CD1617800 ACRYL 1
27 CD DECK MECHA 9CD6006900 1
28 DOOR CD 9CD1812400 MIPS 1
29 WIN DOOR CD 9CD1617600 ACRYL 1
30 PLATE LED 9CD0911700 PVC T=0.5 1
OPTION
31-A GUIDE FLT 9CD2506500 ABS 1
122L/124L/125L/125DP
31-B GUIDE FLT 9CD2506300 ABS 1
125S/127L/127DP
31-C GUIDE FLT 9CD2506700 ABS 1
128
32 PLATE FLT 9CD0909800 PVC T=1.0 2
33 COVER TOP 9CD0411400 MIPS
34 COVER SIDE L 9CD04115L0 MIPS 1
Description
Exploded View and Mechanical Parts List
Model : AXW-128
9
35 COVER SIDE R 9CD04115R0 MIPS 1
36-1 CHASSIS BOTTOM 9CD0607500 ABS 1
122L/
36-2 CHASSIS BOTTOM 9CD0607100 SECC 1.0T 1
124L/125L/125DP
37 COVER BACK 9CD0409800 MIPS 1
OPTION
38 HOLDER AC CORD 9CD2303300 ABS 1
124L/125L/127L/125DP
39 COVER ANT 9CD0410400 ABS 1
40 HOLDER PCB 9CD2304000 MIPS 1
127DP/127L
41-1 HEAT SINK 10 9CD4404500 AL 1
122L
41-2 HEAT SINK N30 9CD4406200 AL 1
124L
41-3 HEAT SINK N50 9CD4405900 AL 1
125L
41-4 HEAT SINK DP1 9CD4405200 AL 1
125DP
41-5 HEAT SINK 70 9CD4404300 AL 1
41-6 HEAT SINK DP2 9CD4405600 AL 1
127DP
41-7 HEAT SINK N100 9CD4406000 AL 1
127L
42 BRACKET HEAT TR 9CD2414400 SUS 0.3T 1
43 BRACKET HEAT TR 9CD2414600 SECC 1.0T 1
44 BRACKET HEAT TR 9CD2413900 SUS 0.5T 1
45 FRAME BOTTOM 9CD0607800 SECC 1.0T 1
127L
46 BRKT PCB C 9CD2414500 SECC 1.0T 1
127L
47 BRKT PCB A 9CD2413100 SECC 1.0T 1
127DP
48 HEAT SINK PW 9CD4404200 AL 1
127L
49 HEAT SINK 9CD4402800 BSP 0.5T 1
No. Part Name Part Code Q’ty Remark
S1 SCREW TAPTTITE 7173261011 TT2 BIN 2.6 X 10 MFZN 13
S2 SCREW TAPTTITE 7173301011 TT2 BIN 3.0X10 MFZN 18
S3 SCREW TAPTTITE 7173301212 TT2 BIN 3.0X12 BK 18
S4 SCREW TAPTTITE 7173301612 TT2 BIN 3.0X16 BK 2
S5 SCREW TAPTTITE 7173300611 TT2 BIN 3.0X6 MFZN 7
S6 SCREW TAPTTITE 7173301411 TT2 BIN 3.0X14 MFZN 2
S7 SCREW TAPTTITE 7173400611 TT2 BIN 4.0X6 MFZN 4
S8 SCREW TAPTTITE 7173401011 TT2 BIN 4.0X10 MFZN 4
S9 WASHER SCREW 9CD3102401 TT2 BIN 3.0X8 + D12 4
S9 WASHER SCREW 9CD3102400 TT2 BIN 3.0X10 + D14 3
W1 WASHER PLAIN 1
No. Q’ty
P1 1
P2 1
P3 1
P4 1
P5 1
P5 1
127L/127DP
OPTION
FRONT PCB
MAIN PCB
POWER PCB
DECK PCB
PCB JACK
PCB CD
Part Name Remark
AMI-127R Ref.
Description
Exploded View and Mechanical Parts List
Model : AMI-926LW/RW
10
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