MC-DX50i
Micro Hi-Fi system
NOTES
PC board shown are viewed from parts side.
The parts with no reference number or no parts number in the exploded views are not supplied.
As regards the resistors and capacitors, refer to the circuit diagrams contained in this manual.
! Parts marked with this sign are safety critical components. they must be replaced with identical components - refer to the appropriate parts list and ensure exact replacement.
Parts of [ ] mark can be used only with the version designated.
|
CONTENTS |
|
1 |
SAFETY INFORMATION......................................................... |
2 |
2 |
SPECIFICATIONS......................................................................... |
3 |
3 |
ADJUSTMENT AND CHECK............................................... |
4 |
4 |
EXPLODED VIEW AND PARTS LIST........................... |
5 |
5 |
PC BOARDS AND PARTS LIST......................................... |
8 |
6 |
WIRING DIAGRAM.................................................................... |
18 |
7 |
INCLUDED ACCESSORIES............................................... |
21 |
MC-DX50i
1 SAFETY INFORMATION
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO USER-
SERVICEABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
Optical pickup :
Type |
: SF-P200Z |
Manufacturer |
: SANYO ELECTRIC CO., LTD. |
Laser output |
: Less than 0.5 mW on the objective lens |
Wavelength |
: 765 - 815 nm |
MC-DX50i
2 SPECIFICATIONS
AMPLIFIER section |
|
Output Power (L+R) |
5 W + 5 W |
Output Power (Subwoofer) |
15 W |
Input Sensitivity |
300 mV |
Frequency Response |
50 to 20,000 Hz |
TUNER Section (FM) |
|
Frequency Range |
87.50 to 108.00 MHz |
Sensitivity (S/N30dB) |
20 dBμV/m |
TUNER Section (AM) |
|
Frequency Range |
520 to 1,710 kHz |
Sensitivity (S/N20dB) |
54 dBμV/m |
CD PLAYER Section |
|
Frequency Response |
20 to 20,000 Hz (±1 dB) |
Signal-to-Noise Ratio |
55 dB |
Wow and Flutter |
Unmeasurable |
SPEAKER |
|
Type |
Full range flat type |
Impedance |
4 ohms |
SUBWOOFER |
|
Impedance |
8 ohms |
GENERAL |
|
Power Requirements |
120 V AC, 60 Hz |
Power Consumption |
80 W |
Standby Power Consumption |
2.5W |
Dimension (W x H x D) |
|
Main Unit |
6 3/4” x 10 1/8” x 6 1/8” |
(170 x 255 x 155 mm) |
|
L & R Speakers |
6” x 10 1/8” x 3 1/4” |
(150 x 255 x 81 mm) |
|
Subwoofer |
6 3/8” x 9 3/4” x 11 7/8” |
(160 x 245 x 300 mm) |
|
Weight |
|
Main Unit |
2.1 lbs (1.2 kg) |
L & R Speakers |
1.6 lbs (640 g) each |
Subwoofer |
11 lbs (5.0 kg) |
Standard Accessories
Standard Accessories
Remote Control Unit (RC-1185) x 1 Battery for Remote Control Unit x 1 Dock adapter x 3
(adapter 60GB (color) + Photo 40GB/60GB premounted) Subwoofer Cable x 1
Speaker Cable x 2 FM Antenna x 1 AM Antenna x 1
Stereo mini plug cable x 1 Wall mount brackets x 2 Screw x 4
Tapered Plastic Wall Anchor x 4 Template for Wall Mounting x 2 Owner’ Manual x 1
Quick Guide for Connection x 1 Warranty Card x 1
Design and specifications are subject to change without notice.
Weight and dimensions are approximate.
Illustrations may differ slightly from production models.
MC-DX50i
3 ADJUSTMENTS AND CHECKS
ALIGNMENT PROCEDURES
AM I.F. ALIGNMENT
1.Set the POWER BUTTON to POWER "ON".
2.Set the Radio and band button to Radio and AM BAND.
3.Connect a SWEEPSCOPE OUTPUT to AM antenna terminal.
4.Connect a SWEEPSCOPE INPUT to pin17 of IC2 through a 1uf capacitor and ground.
STEP |
SET SIGNAL |
SET DIAL |
ADJUST |
ADJUST FOR |
|
1 |
4455KHz |
GANG OPEN |
T3 |
CENTER |
|
&MAXIMUM OUTPUT |
|||||
|
|
|
|
AM R.F. ALIGNMENT
1.Connect an RF generator to a standard radiating loop.
2.Connect a SCOPE and VTVM across the speaker output.
STEP |
SET SIGNAL |
SET DIAL |
ADJUST |
ADJUST FOR |
|
1 |
515KHz |
GANG CLOSED |
L6 |
|
|
2 |
1640KHz |
GANG OPEN |
PVC-D |
MAXIMUM |
|
3 |
600KHz |
1400KHz |
L4 |
||
OUTPUT |
|||||
4 |
1400KHz |
1400KHz |
PVC-C |
||
|
|||||
5 |
REPEAT STEPS 3 AND 4 TO OBTAIN BEST TRACKING. |
|
|||
FM R.F. ALIGNMENT
1.Connect an RF generator to the FM antenna terminal and ground.
2.Connect a SCOPE & VTVM across the speaker output.
STEP |
SET SIGNAL |
SET DIAL |
ADJUST |
ADJUST FOR |
|
1 |
76MHz |
GANG CLOSED |
L3 |
|
|
2 |
108MHz |
GANG OPEN |
PVC-A |
MAXIMUM |
|
3 |
90MHz |
90MHz |
L2 |
||
OUTPUT |
|||||
4 |
106MHz |
1106MHz |
PVC-B |
||
|
|||||
5 |
REPEAT STEPS 3 AND 4 TO OBTAIN MAX ADJUST. |
|
|||
CD ALIGNMENT
Auto alignment.
MC-DX50i
4 EXPLODED VIEW AND PARTS LIST
EXPLODED VIEW
5
MC-DX50i
EXPLODED VIEW PARTS LIST
REF.NO. PARTS NO. |
DESCRIPTION |
REMARKS |
1 |
56-04DX50I00B10 |
FRONT CAB (HIPS) 931980 428C |
2 |
56-05DX50I00B10 |
REAR CAB(HIPS) DAB 931980 |
3 |
56-07DX50I10910 |
BACK LIHGT BRACKET 1 (ABS) WHITE |
4 |
56-07DX50I30910 |
REMOTE CONTROL INCEPT BRACKET (ABS) WHT |
5 |
56-07DX50I40010 |
LOAD BRACKET (ABS) |
6 |
56-09DX50I00B10 |
IPOD BRACKET BOTTOM BOARD (ABS) BLACK |
7 |
56-09DX50I10B10 |
IPOD BRACKET BASE (ABS) BLACK |
8 |
56-22DX50I00B10 |
CD COVER (ABS) BLACK |
9 |
56-22DX50I20B10 |
POWER COVER (ABS) BLACK |
10 |
56-33DX50I00B10 |
IPOD BRACKET FIXING (ABS) BLACK |
11 |
56-54DX50I00A10 |
FUNCTION KNOB GROUP-1(ABS) SILVER |
12 |
56-54DX50I10A10 |
FUNCTION KNOB (ABS) BLACK |
13 |
56-54DX50I20A10 |
FUNCTION KNOB GROUP-2(ABS) SILVER |
14 |
56-57DX50I30010 |
CD LENS (PMMA) |
15 |
56-57DX50I10010 |
BACK LIGHT LENS 1 (PMMA) |
16 |
56-57DX50I40010 |
STANDBY LENS (PMMA) MILK |
17 |
56-69DX50I00000 |
LOADER PLATE -L(ABS) |
18 |
56-69DX50I00100 |
LOADER PLATE -R(ABS) |
19 |
56-69DX50I00200 |
PCB PLATE (ABS) BLACK |
20 |
56-78DX50I00010 |
FUNCTION KNOB RING (ABS) ELECTROPLATE |
21 |
57-08DM23000020 |
PETP PLATE |
22 |
57-26DX50I00020 |
FILTER SHEET |
23 |
57-47DX50I00020 |
DISPLAY LENS T=1mm (PC) |
24 |
58-263102300120 |
RUBBER FOOT(BLK)(PORON) DIA10mm T=3mm |
25 |
58-26DX50I00021 |
RUBBER FOOT (PORON) 16x15x3mm |
26 |
58-58DX50100020 |
RUBBER PLATE 28X17X2mm |
27 |
61-11CDX0900020 |
DS MTEAL PLATE |
28 |
61-11DX50100020 |
WEIGHT STEEL 1 115X90mm |
29 |
61-11EXM5M00020 |
METAL PLATE 9.5x5x0.8mm |
30 |
61-30DX50I00020 |
KNOB COVER (ALUMINUM) |
31 |
66-120330180121 |
MACHINE SCREW MS/PH 3x8mm (BLACK) |
32 |
66-120530180121 |
MACHINE SCREW MS/KH 3x8mm (BLACK) |
33 |
66-150526150321 |
SELF TAPPING SCREW TB/KH 2.6x5 |
34 |
66-140326160121 |
SELF-TAPPING SCREW TA/PH 2.6x6mm (BLACK) |
35 |
66-140326180121 |
SELF-TAPPING SCREW TA/PH 2.6x8mm (BLK) |
36 |
66-140326180321 |
SELF-TAPPING SCREW TA/PH 2.6x8mm |
37 |
66-151426180321 |
SCREW TB/BWH 2.6x8mm HD8.5mm |
38 |
66-140330180121 |
SELF-TAPPING SCREW TA/PH 3x8mm (BLACK) |
39 |
66-140330210121 |
SELF-TAPPING SCREW TA/PH 3x10mm(BLACK) |
40 |
66-140330212121 |
SELF-TAPPING SCREW TA/PH 3x12mm (BLACK) |
41 |
66-140530210121 |
SELF-TAPPING SCREW TA/KH 3x10mm (BLACK) |
42 |
66-140826212321 |
SELF-TAPPING SCREW TA/WH 2.6x12mm |
43 |
66-141430210321 |
SCREW TA/WH 3x10mm HD:10mm |
44 |
19-50DX50I00020 |
SPEAKER BOX UNIT-L |
45 |
19-50DX50I00120 |
SPEAKER BOX UNIT-R |
46 |
20-71DX50I00020 |
CD LOADER #VSH-L33C-0762L (FOR DA23SR) |
47 |
05-DX50I0100001 |
PCBA-MAIN "UL" |
48 |
05-DX50I0500000 |
PCBA-MCU/KEY "UL" |
49 |
05-DX50I0800000 |
PCBA-IPOD "UL" |
50 |
05-DX50I3000000 |
PCBA-CD "UL" |
51 |
66-150230180123 |
HARDEN SCREW BTTB 3x8mm AB(BLACK) |
52 |
67-021400000020 |
NUT M4mm |
53 |
68-112403101000 |
METAL WASHER 4x10x1mm |
54 |
13-05DX22I00020 |
LCD DISPLAY |
55 |
|
PCBA-CD BACKLIGHT................................................. |
56 |
|
PCBA-AUX&PHONE..................................................... |
57 |
|
PCBA-S-VIDEO ............................................................ |
58 |
|
PCBA-RESET................................................................ |
Included in Ref. No. 47 PCBA-MAIN. Refer to page 8.
Included in Ref. No. 47 PCBA-MAIN. Refer to page 8.
Included in Ref. No. 47 PCBA-MAIN. Refer to page 8.
Included in Ref. No. 47 PCBA-MAIN. Refer to page 8.
MC-DX50i
EXPLODED VIEW PARTS LIST
REF.NO. |
PARTS NO. |
DESCRIPTION |
REMARKS |
|
|
|
|
59 |
41-172111000310 |
POWER SWITCH |
|
60 |
45-114180310061 |
AC POWER CORD |
|
61 |
05-DX32I0300000 |
PCBA-STANDBY -120V |
|
62 |
05-DX50I0700000 |
PCBA-SUB POWER |
|
63 |
05-DX50I0810000 |
PCBA-RCA/D-S JACK |
|
64 |
18-203DX0150120 |
H/TRANSFORMER EI66 120V 60Hz TU0000700 |
|
65 |
190021153300120 |
SPEAKER 5.25" 8Ω 30W #JHD-SA130-12 |
|
66 |
43-500000002020 |
AC CORD BUSHING T=1.6mm #4N4 |
|
67 |
48-16DX50100220 |
SUBWOOFER LED PCB |
|
68 |
56-22CDX0908000 |
PCB COVER (ABS) |
|
69 |
56-78CD10I0B000 |
SAFEGUARD RING/SUB (ABS) |
|
70 |
56-85DX50I00B10 |
AKER BOX PANEL (HIPS) 931980 428C |
|
71 |
56-87CDX090B000 |
PLASTIC TUBE (ABS) |
|
72 |
56-87DX50I00010 |
LED COVER (PMMA) MILK |
|
73 |
58-263253150020 |
RUBBER FOOT (PORON) DIA25mm T=15mm |
|
74 |
58-58DX01500320 |
CUSHION (EVA) 106x40x1mm |
|
75 |
58-58DX02500020 |
CIRCLE CUSHION DIA(60+35)x1.5mm |
|
76 |
58-73DX50I00000 |
WOODEN BOX |
|
77 |
61-11V600000020 |
PCB BRACKET |
|
78 |
61-11V820010020 |
PCB FIX BRACKET (B) (T0.8mm) #DV-8200 |
|
79 |
61-33DX50I00020 |
SUB.REAR PANEL 120V "TEAC" |
|
80 |
61-48DX01500020 |
HEATSINK A |
|
81 |
66-120230160121 |
MACHINE SCREW MS/BH 3x6mm (BLACK) |
|
82 |
66-120240212121 |
MACHINE SCREW MS/BH 4x12mm (BLACK) |
|
83 |
66-140230210321 |
SELF-TAPPING SCREW TA/BH 3x10mm |
|
84 |
66-140230212121 |
SELF-TAPPING SCREW TA/BH 3x12mm(BLACK) |
|
85 |
66-140230214121 |
SELF-TAPPING SCREW TA/BH 3x14mm(BLACK) |
|
86 |
66-141430214121 |
SCREW TA/BWH 3x14mm(HEAD 10mm)(BLACK) |
|
MC-DX50i
5 PC BOARDS AND PARTS LIST
MAIN PCB
MAIN PCB
RESET PCB
S-VIDEO PCB
AUX&PHONE PCB
CD BACKLIGHT PCB
MAIN PCB
RESET PCB
S-VIDEO PCB
AUX&PHONE PCB
CD BACKLIGHT PCB
MC-DX50i
MAIN PCB ASSY PARTS LIST
REF.NO. |
PARTS NO. |
DESCRIPTION |
REMARKS |
|
|
|
|
|
05-DX50I0100001 |
PCBA-MAIN "UL" |
|
|
48-01DX50I00121 |
MAIN/AUX/REST/LED PCB 94V0 141X132x1.6mm |
|
CF1 |
31-038107020120 |
DISCRIMINATOR FILTER JT10.7MG46-A (2PIN) |
|
CF2 |
31-028107000210 |
CERAMIC FILTER LT10.7MA5-A(3PIN) RED |
|
CF3 |
31-026450010110 |
CERAMIC FILTER (MURATA) SFU450B |
|
CT1 |
27-501602202020 |
TRIMMER 20PF 6mm (RED) |
|
CT2 |
27-501602101020 |
TRIMMER 10PF 6mm (WH) |
|
D7,8,151,18,19,21, |
12-BAS316000021 |
SMD DIODE BAS316 (319801010630) |
|
D201,402,601 |
|
|
|
D301,305 |
12-RL2020000021 |
RECTIFIER DIODE RL-202 2A 100V |
|
D403,404 |
12-SS1400000025 |
SMD DIODE SS14 SMA/DO-214AC |
|
IC4 |
16-TC9257F00021 |
IC (TOSHIBA) TC9257FG |
|
IC5 |
16-UE1823D00021 |
IC UE1823D SDIP24 |
|
IC703 |
16-NJM4556AM021 |
CHIP IC (NJRC) NJM4556AM (932207733685) |
|
L2 |
40-351500125020 |
FM COIL 5x2.5T (0.8mm) |
|
L3,5 |
40-351500135020 |
FM COIL 5x3.5T (0.8mm) |
|
L9,10 |
38-013100050220 |
AXIAL INDUCTOR 10UH +-10% 500mA EC-36 |
|
JK1 |
43-421000003120 |
COAXIAL JACK IF-01 |
|
Q206,207,208, |
11-PMBT39040021 |
SMD TRANSISTORS PMBT3904 SOT23 (PHILIPS) |
|
Q302,304 |
|
|
|
Q401 |
11-8050C0000025 |
TRANSISTORS 2W 8050C (TAPING) |
|
Q4,5,8 |
11-9018G0000021 |
TRANSISTORS 9018G |
|
Q601 |
11-PMBT39060021 |
SMD TRANSISTORS PMBT3906 SOT23 (PHILIPS) |
|
Q602,603 |
11-2SD1936T0125 |
TRANSISTORS 2SD1936T-AC (SANYO) (TAPING) |
|
Q703,704 |
11-B772Y0000121 |
TRANSISTORS B772Y (160-320)(TO-126C) |
|
Q712 |
11-8550C0000025 |
TRANSISTORS 2W 8550C (TAPING) |
|
T2 |
40-02660R002020 |
I.F.T 7mm 660R (RED) |
|
T3 |
40-02A049004020 |
I.F.T 7mm A049 (YELLOW) |
|
T60 |
40-023120000020 |
I.F.T 7mm 312A (BLACK) |
|
U001 |
16-UTC780800121 |
IC UTC7808(TO-220) (1.5A) |
|
U1 |
16-ET2314000021 |
IC (ETEK) ET2314 (SOP28) |
|
U201 |
16-LM78L0500121 |
IC (LIBERAL) LM78L05 (933510720676) |
|
U301 |
16-UTC781000021 |
IC UTC7810 (TO-220) (1.5A) |
|
U603 |
16-LM324D000021 |
IC SM LM324D (933984860668) |
|
VD1,2 |
12-V14900000021 |
VARICAP DIODE V149 |
|
VD3,4 |
12-V10100000021 |
VARICAP DIODE V101 |
|
X201 |
31-017720002020 |
CRYSTAL 49/U 7.2MHZ +-30PPM |
|
ZD3 |
12-011620320121 |
ZENER DIODE +-5% 6.2V 1/2W |
|
|
48-16DX50i10120 |
CD BACKLIGHT PCB |
|
LED1,2,3,4 |
13-011206322020 |
LED LAMP 2x4x4mm(S.BLUE)1L2445B12E0CJ001 |
|
|
48-09DX50i00220 |
AUX&PHONE PCB |
|
L1,409,412,901 |
38-013100060220 |
CHIP INDUCTOR 10UH 1.15 OHM (0805) |
|
AUX1 |
43-431350012120 |
PHONE JACK 3.5mm TC38-399-51-01BLK+METAL |
|
HEADPHONE1 |
43-431360004120 |
PHONE JACK 3. mmTC-38-399-05-01BLK+METAL |
|
|
48-10DX50i00120 |
S-VIDEO PCB |
|
L905,90 ,907 |
38-012220050120 |
CHIP INDUCTOR 2.2UH +-10% (1 08) |
|
JK2 |
43-451100014020 |
RCA JACK 1P (YELLOW) RJ1P070044-44-0 |
|
JK3 |
43-462103000120 |
D-S TERMINAL #DS-15 |
|
CN-DC1 |
43-462103003321 |
D-S TERMINAL #DSW-31 R1 |
|
|
48-23DX50i00120 |
RESET PCB |
|
SW801 |
41-180010000020 |
PUSH SWITCH 7x7mm PS-2203-F(W/O LOCK) |
|
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