Kenwood KDC-3047M Service Manual
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Also See for KDC-3047M:
- Instruction manual (25 pages) ,
- Instruction manual (24 pages) ,
- Instruction manual (24 pages)
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CD RECEIVER
KDC-3047M
KDC-MP1046/MP145/MP145CR
KDC-MP146/MP2046/MP245
KDC-MP246AM/MP246G/MP246S
KDC-MP3046
SERVICE MANUAL
KDC-3047M : Panel assy (A64-4988-02)
KDC-MP145 : Panel assy (A64-4975-02)
KDC-MP146 : Panel assy (A64-4987-02)
KDC-MP245 : Panel assy (A64-4974-02)
KDC-MP3046 : Panel assy (A64-4990-02)
* Escutcheon
(B07-xxxx-xx)
Mounting hardware assy
(J22-0789-03)
* Screw (4x16)
(N84-4016-48)
* Depends on the model. Refer to the parts list.
KDC-3047M
KDC-MP145
KDC-MP146
KDC-MP245
KDC-MP3046
* Carrying case
(W01-1710-05)
* DC cord
* DC cord
(E30-xxxx-xx)
(E30-6934-05)
* Screw set
Lever
(N99-1757-15)
(D10-7106-04) x2
© 2010-1 PRINTED IN JA PAN
B53-0777-00 ( N ) 255
KDC-MP1046 : Panel assy (A64-5135-02)
KDC-MP145CR : Panel assy (A64-4976-02)
KDC-MP2046 : Panel assy (A64-4989-02)
KDC-MP246AM/G : Panel assy (A64-4984-02)
KDC-MP246S :
Panel assy (A64-4985-02)
TDF SPARE-PANEL
MAIN UNIT NAME
TDF PARTS No.
KDC-3047M
Y33-3290-23
KDC-MP1046
Y33-3293-01
KDC-MP145
Y33-3280-11
KDC-MP145CR
KDC-MP146
Y33-3290-23
KDC-MP2046
Y33-3290-21
KDC-MP245
Y33-3280-10
KDC-MP246AM
Y33-3290-22
KDC-MP246G
Y33-3290-20
KDC-MP246S
Y33-3290-21
KDC-MP3046
Y33-3290-20
* Remote controller assy (RC-405)
(A70-2104-05)
* Plastic cabinet assy
(A02-2755-23)
This product uses Lead Free solder.
RoHS
This product complies with the
KDC-MP1046
KDC-MP145CR
KDC-MP2046
KDC-MP246
TDF NAME
TDF-MP146
TDF-MP1046
TDF-MP01D
TDF-MP146
TDF-MP246S
TDF-MP02D
TDF-MP246AM
TDF-MP246G
TDF-MP246S
TDF-MP246G
directive for the European market.
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Related Manuals for Kenwood KDC-3047M
Summary of Contents for Kenwood KDC-3047M
- Page 1 KDC-MP1046/MP145/MP145CR KDC-MP146/MP2046/MP245 KDC-MP246AM/MP246G/MP246S KDC-MP3046 SERVICE MANUAL © 2010-1 PRINTED IN JA PAN B53-0777-00 ( N ) 255 KDC-3047M : Panel assy (A64-4988-02) KDC-MP1046 : Panel assy (A64-5135-02) KDC-3047M KDC-MP1046 KDC-MP145 : Panel assy (A64-4975-02) KDC-MP145CR : Panel assy (A64-4976-02) KDC-MP145...
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Page 2: Block Diagram
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 BLOCK DIAGRAM ELECTRIC UNIT (X34- ) R118 IC501 PHONE PHONE TUNER Q101 (ATOMIC) POWER ACC DET ACC DET Q103 ∗ Q701-704 ∗ BU DET BU DET Q705 PRE-OUT Q102 DC-CN FRONT E-VOL MUTE MUTE REAR SURGE PHONE P-STBY REAR/SW ∗... -
Page 3: Components Description
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 COMPONENTS DESCRIPTION ● SWITCH UNIT (X16-674x-xx) Ref. No. Application / Function Operation / Condition / Compatibility VFD Driver Remote Control Sensor ● ELECTRIC UNIT (X34-659x-xx) Ref. No. Application / Function Operation / Condition / Compatibility System μ-COM Controls FM/AM tuner, CD mechanism, panel, volume and tone. -
Page 4: Microcomputer's Terminal Description
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 MICROCOMPUTER’S TERMINAL DESCRIPTION ● SYSTEM μ-COM : IC1 on X34- (ELECTRIC UNIT) Truth Value Pin No. Pin Name Application Processing / Operation / Description Table Not used Output L fi xed PON CD CD mechanism power supply control... - Page 5 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing / Operation / Description Table 42~45 Not used Output L fi xed VFD CE VFD control request ROTARY CCW VOL key input Detects pulse width ROTARY CW...
- Page 6 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing / Operation / Description Table PS1 3 Power supply IC control Refer to the truth value table AVSS Not used Output L fi xed VREF AVCC CD SW2 12cm disc detection •...
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Page 7: Test Mode
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 TEST MODE ■ Example Description of display Description A symbol “■” in the key column indicates that the key should be pressed and held. Description of display Description Disc Eject times display (Max. 65535 times). Disc Eject times display While Disc Eject times is displayed, press and hold for 2 ■... - Page 8 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 TEST MODE Description Default values BASS BOOST SystemQ / dB EQ NATURAL (FLAT) BEEP Beeps when the key is pressed briefl y. PREOUT REAR ■ Test mode specifi cation in STANDBY source Description of display Description Common All lights ON.
- Page 9 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 TEST MODE Description of display Description Transition to the CD information ∗Refer to “CD information display mode” for the details of DISP display mode (sub-mode) display and operation procedure. Press [DISP] key briefl y. CD information display Press and hold this key for 2 seconds in the CD information...
- Page 10 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 TEST MODE Description of display Description CD time code error count information (Missing counts) mode is display. Number of CD-DA error counts CD time code error count XX: The number of errors. The “--” is displayed in case information display (Miss- there is no error.
- Page 11 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 TEST MODE • Switch in injection setting / packs setting In the TUNER FM source, every time the [5] key is pressed and held for 1 second the injection setting switches in the following sequence of order: AUTO → H → L → AUTO.
- Page 12 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 TEST MODE • Procedure in MANUAL adjustment mode Description of display Description Level Offset Press [ ] key for 500ms or longer to continuously – – adjustment (Manual) increase / decrease the adjustment value. ■ Completion of the...
- Page 13 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 TEST MODE • RDS automatic measurement (KDC-3047M only) This automatic measurement is implemented in place of the visual inspection of the PS display that had been carried out in the production line. Status Description of display Description The P-CON is forcibly turned off when the display in the left cell is shown.
- Page 14 (0~4) Press and hold this key for 2 seconds when a capacitor leak is ■2 detected to clear the number of detection. (Clear the Data Flash ROM) ■ FM/AM Channel space switching (Except KDC-3047M) Procedure Note FM200kHz/AM10kHz ↔ FM50kHz/AM9kHz (KDC-MP145/MP245) While Power OFF, pressing and holding [1] key and FM50kHz/AM10kHz ↔...
- Page 15 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 PC BOARD PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-674x-xx (J76-0636-02) X16-674x-xx (J76-0636-02) TP24 TP12 TP11 TP15 X16-674x-xx X16-674x-xx Ref. No. Address Ref. No. Address Refer to the schematic diagram for the values of resistors and capaci-...
- Page 16 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-659x-xx (J76-0639-02) R801 C866 C867 C868 C864 C862 W102 R101 W103 W808 R102 C857 W801 C855 C860 C853 W121 R106 R115 R113 W101 D801 R107 R108 R119 C103 C102 D106 D108...
- Page 17 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 X34-659x-xx Ref. No. Address C874 C873 C872 C871 C875 C876 Q702 Q707 Q703 IC501 IC900 Q708 W105 W106 W104 Q701 Q704 IC902 R548 C528 C705 D501 L505 C534 D401 L506 R401 L504 R555 L508 C525 C526 C532 L507...
- Page 18 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT MAIN PCB CN102 REST SW PCB CN101 SGND (ORANGE) REST Q112 Q111 (WHITE) (YELLOW) (BROWN) R204 R104 PTSW2 PTSW1 (BLACK) Q201 (RED) (RED) R105 R205 (BROWN) (ORANGE) (WHITE) C3 R82...
- Page 19 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 PRE OUT ELECTRIC UNIT (X34-659x-xx) ∗ MUTE DRIVER REAR/SUB FRONT PRE-OUT TP344 ∗ ∗ ∗ ∗ C873 C874 C871 C872 ∗ Q705 Q105 TP926 680P 680P 680P 680P ∗ ∗ C401 47u16 D110 R709 R710 R703 R704 Q703...
- Page 20 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 ∗ R650 W120 W121 W119 Q901-903 LEVEL SHIFT ∗ R227 0V or 1.6V or 2.5V or ∗ R225 3.4V or 5.0V R934 R919 R922 R924 4.7K 4.7K 4.7K 0V or 5.0V PWIC STBY 3.3V PON CD R231 4.7K...
- Page 21 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 DC IN Q102 SURGE D801 TP316 TP17 R111 R110 R106 Q901-903 6.7V 3.3K LEVEL 6.7V 6.7V SHIFT ∗ R119 R113 R108 100K R809 R120 C102 W806 Q101 100K 0.01 Q102 D109 POWER R115 C101 R109 LINE 0.01 MUTE...
- Page 22 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 DC IN F1 : F52-0023-05 F1 10A 2SC4081 3300u16 KTA1046-P ∗ D103 D101 R102 R101 4.7K 4.7K ∗ W152 DAP202U DA204U SW14 Q11,12 CONT SW SERVO+B Q7,10 CONT SW ILLUMI & VFD+B TP920 14.4V TP921 P-CON TP922 P-ANT ∗...
- Page 23 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 SWITCH UNIT (X16-674x-xx) col1 (1G) 1/2W 1/2W col2 (1G) (3G-1G) ANODE CONNECTION NAME ∗ VOUT 5.0V REMOTE CONTROL SENSOR PAN5V LED+B 11.3V 11.3V ILL D GND PAN5V LED+B FL+B col1 XBLK X34- SW5V 5.0V VFD INH OSCI VFD PAN DATA 11.3V...
- Page 24 4.7K B30-1779-05 B30-1780-05 470P B30-1781-05 BLUE CP11 R11 47K B30-1782-05 B30-1534-05 ORANGE 5.0V TP21 AUDIO TP22 TP19 TP18 TP23 TP17 BAND TP16 TP15 DISP TP24 KEY MATRIX EJECT BAND TP25 TP26 TP27 TP28 TP29 DISP EJECT KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046/MP245/MP246AM/MP246G/MP246S/MP3046 (2/2) X16-674x-xx (2/2)
- Page 25 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 PICKUP (Ref.No.27) CN102 : LA6565 Q101,201 : 2SC3928A/R/-X Q111 : 2SA1530A/RS/-X Q112 : RT1N241M-T111 Q301,302 : PS1191RB22/BCX D101,201 : AN1105W21/AB/X TRACKING TRACKING- SIGNAL LINE COIL TRACKING+ GND LINE FOCUS+ B LINE FOCUSING FOCUS- COIL CD PLAYER UNIT MAIN PCB...
- Page 26 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 EXPLODED VIEW (CD MECHANISM) Grease : W01-1737-08 : W01-1738-08 : W01-1743-08 801 (Photo board) (Rest switch board) Back side 11.1mm 0.1mm 803 (Mecha control board) 11.1mm 0.1mm 17 18 Parts with the exploded numbers larger than 700 are not supplied.
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Page 27: Exploded View (Unit)
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 EXPLODED VIEW (UNIT) DME1 : N35-2610-48 : N80-2006-48 : N80-2008-43 : N86-2606-48 : N80-3008-48 : N83-3005-48 : N83-3014-48 : N86-2606-48 : N89-3010-48 (X34) (X16-) (X34-) Depends on the models. Refer to the parts list. Parts with the exploded numbers larger than 700 are not supplied. -
Page 28: Parts List
TORSION COIL SPRING B30-1779-05 LED (1608,SR) M6K1K2 G01-4749-04 COMPRESSION SPRING B30-1781-05 LED (1608,BLUE) K: KDC-MP245 K1: KDC-MP145 K2: KDC-MP145CR M1: KDC-MP246G Indicates safety critical com po nents. M2: KDC-MP246S M3: KDC-MP246AM M4: KDC-MP2046 M5: KDC-MP146 M6: KDC-3047M C1: KDC-MP1046 C2: KDC-MP3046... - Page 29 J 1/8W M2M4M5 RK73FB2B751J CHIP R J 1/8W M6K1K2 Q112 RT1N241M-T111 DIGITAL TRANSISTOR K: KDC-MP245 K1: KDC-MP145 K2: KDC-MP145CR M1: KDC-MP246G Indicates safety critical com po nents. M2: KDC-MP246S M3: KDC-MP246AM M4: KDC-MP2046 M5: KDC-MP146 M6: KDC-3047M C1: KDC-MP1046 C2: KDC-MP3046...
- Page 30 0.047UF K C531,532 CC73GCH1H040C CHIP C 4.0PF ✽ E41-1820-05 FLAT CABLE CONNECTOR K: KDC-MP245 K1: KDC-MP145 K2: KDC-MP145CR M1: KDC-MP246G Indicates safety critical com po nents. M2: KDC-MP246S M3: KDC-MP246AM M4: KDC-MP2046 M5: KDC-MP146 M6: KDC-3047M C1: KDC-MP1046 C2: KDC-MP3046...
- Page 31 RK73GB2A102J CHIP R 1.0K J 1/10W R348,349 RK73GB2A103J CHIP R J 1/10W K: KDC-MP245 K1: KDC-MP145 K2: KDC-MP145CR M1: KDC-MP246G Indicates safety critical com po nents. M2: KDC-MP246S M3: KDC-MP246AM M4: KDC-MP2046 M5: KDC-MP146 M6: KDC-3047M C1: KDC-MP1046 C2: KDC-MP3046...
- Page 32 RD14BB2C473J J 1/6W R916 RK73GB2A225J CHIP R 2.2M J 1/10W XC6120N362N-G MOS-IC K: KDC-MP245 K1: KDC-MP145 K2: KDC-MP145CR M1: KDC-MP246G Indicates safety critical com po nents. M2: KDC-MP246S M3: KDC-MP246AM M4: KDC-MP2046 M5: KDC-MP146 M6: KDC-3047M C1: KDC-MP1046 C2: KDC-MP3046...
- Page 33 GEAR ASSY N09-6778-08 SPECIAL SCREW 3B ✽ D13-3048-08 GEAR 3B ✽ D13-3049-08 GEAR K: KDC-MP245 K1: KDC-MP145 K2: KDC-MP145CR M1: KDC-MP246G Indicates safety critical com po nents. M2: KDC-MP246S M3: KDC-MP246AM M4: KDC-MP2046 M5: KDC-MP146 M6: KDC-3047M C1: KDC-MP1046 C2: KDC-MP3046...
- Page 34 KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 PARTS LIST CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
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Page 35: Specifications
KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046 /MP245/MP246AM/MP246G/MP246S/MP3046 SPECIFICATIONS KDC-MP145/MP145CR/MP245 General Operating voltage (11~16V allowable) ......14.4V Maximum current consumption ........10A FM tuner section Installation size (W x H x D) ......182 x 53 x 155mm Frequency range 7-3/16 x 2-1/16 x 6-1/8 inch 200kHz space (KDC-MP245) ..87.9 MHz~107.9MHz Weight .............. - Page 36 Weight ................1.3kg MW tuner section Frequency range (9kHz space) ....531kHz~1611kHz Usable sensitivity (S/N=20dB) ........36μV KENWOOD follows a policy of continuous advancements LW tuner section in development. For this reason specifi cations may be Frequency range ......... 153kHz~279kHz changed without notice.