MD RECEIVER KMD-671R SERVICE MANUAL © 2000-1 PRINTED IN JAPAN B51-7580-00(S) 2209 ● This service manual does not include information on the MD mechanism assembly (explodedview, parts list, schematic diagram or mechanism description). For such information, refer to the MD mechanism assembly manual (X92-3390-00,0-01,X92-3560-00, X92-3580-00:B51-7461-00).
RST REQ C CLK DATA H CH-CON REQ H DATA C MUTE CH LOS SW LOE SW LOAD EJECT M CLK M DATA M RST M STOP M MUTE MD SDA SCL S-METER SD VDD 5V AUDIO OUT IF1/IF2/PLL+B AM+B BACK UP S 5.0V A8V BU5V TUN5V AM+B Q27,28 FM+B RST SW (X13) RST IC7,Q33 BU5V RDS DECODER IC10 SW5V BUFF Q29 R CLK R DATA QUAL Q25,26 LCD LCD DRIVER WITH KEY MATRIX PAN 5V IC1 NOISE AMP AFC FM+B NOISE L INH L DATAS L CLK L CE L DATAL Q2,3 ILL. SW VLCD AVR Q4 PAN 5V DSI BU DET. SVR ACC DET.
KMD-671R COMPONENT DESCRIPTION ● SWITCH UNIT(X13-9702-71) Ref.No. IC1 IC2 Q1 Q2 Q3 Q4 Component Name LC75808W RS-171 DTA114EKorUN2111 2SD2114K 2SD2114K 2SC2412Kor2SD601A Application/Function LCD driver with key-matrix Remote control light sensor Key-matrix permission SW Illumination SW(Red) Illumination SW(Green) LCD AVR Operation/Condition/Compatibility Ready on key-matrix, ON when the base goes “Lo”. ON when the base goes “Hi”. ON when the base goes “Hi”. ● ELECTRIC UNIT(X25-845X-XX) Ref.No.
KMD-671R MICROCOMPUTER'S DESCRIPTION System µ-com : UPD784216GF520 ● Terminal Description 4 Pin No. 1 2 3 4 5 6 7 8 9 10 11 Pin Name TYPE 0 TYPE 1 N.C. N.C. N.C. N.C. N.C. N.C. VDD STBY SVR I/O I I O O O O O O O O Description Destination type input terminal 0 Destination type input terminal 1 Not used Not used Not used Not used Not used Not used VDD connection terminal Power IC standby control output Power IC reset terminal 12 13 14 15 16 17 18 19 20 N.C. P-MUTE ANT-CON IC2-SCK N.C.
KMD-671R KMD-671R ADJUSTMENT MICROCOMPUTER'S DESCRIPTION Pin No. 50 51 52 Pin Name N.C. AVDD AVREF 0 53 54 55 56 57 58 59 60 61 62 63 64 PHONE N.C. NIOSE S-METER N.C. N.C. N.C. M-MUTE AVSS N.C. M-RST AVREF 1 65 66 67 68 69 70 71 72 73 74 75 76 77 DATA C DATA H CH-CLK L-DATAL L-DATAS L-CLK M-STOP BEEP N.C. N.C. N.C.
KMD-671R KMD-671R ADJUSTMENT MICROCOMPUTER'S DESCRIPTION Pin No. 50 51 52 Pin Name N.C. AVDD AVREF 0 53 54 55 56 57 58 59 60 61 62 63 64 PHONE N.C. NIOSE S-METER N.C. N.C. N.C. M-MUTE AVSS N.C. M-RST AVREF 1 65 66 67 68 69 70 71 72 73 74 75 76 77 DATA C DATA H CH-CLK L-DATAL L-DATAS L-CLK M-STOP BEEP N.C. N.C. N.C.
A B C D E F G H I PC BOARD (Component Side View) ELECTRIC UNIT D20 CLK D17 TI AUD D18 D1 1 6 D16 R12 C1 8 9 C50 1 16 2 1 C3 R16 R17 C4 EB C5 2 R28 C10 R13 Q3 Q4 D11 R99 R15 1 J2 J1 R14 E R98 C2 R97 B L11 D19 Q22 C90 Q2 R96 B EB W26 W27 D6 R3 BE Q21 D1 R95 R94 D7 E Q19 D25 R10 EB RST W4 1 TH1 R25 D2 W5 W6 15 3 1 26 C91 25 C44 100 R16 D12 IC1 C92 D13 76 50 75 51 E B Q1 L6 2 W7 4 LCD D4 W24 W25 W28 D14 D26 R20 CP1
J K L M N O P Q R PC BOARD (Foil Side View) SWITCH UNIT 1 ELECTRIC UNIT ELECTRIC UNIT (X25-845X-XX) X25-845X-XX (J74-0980-12) X13-9702-71 (J74-0982-12) C61 R116 Q24 BE C10 BE 2 8 9 1 R146 R149 Q29 C85 R148 C86 C39 C41 C75 Q28 C73 R93 C59 C60 R143 C40 R141 C71 L2 Q26 C72 R142 R144 W51 L10 C35 C36 2 3 4 R127 5 R136 R130 R132 D21 D20 R102 R104 R129 R135 3M 3O 4L 6O 4L 2M 4M 2P 3L 3L 4L 3L 3L 5L 2L 2L 2K 2M 4M 4M 4M 4M 4M 4M 5L 4N 5L 5L 4N 2L 4O 4O 4O 4O 3P
A B C D E F G H I DC CONNECTOR 1 FUSE 10A J1 B.UP GND NC IC1 IC2 IC3 IC4 IC6 IC7 IC8 IC10 16 1 15 2 Q7 22K 47K MUTE DRIVER 18 12 5.0V 11 29 7 BU DC CORD (E30-4783-05) KMD-42 8 7 8 5 6 5 6 FR+ FRRR+ RR- 3 4 3 4 (X25-845X-XX) 1 2 1 2 MODEL NAME A ISO CONNECTOR DC CORD (E30-4790-05) KMD-671R(E) KMD-42 (K) KMD-671R (M,E) Destination 0-11 0-21 2-71 1 2 NO YES YES 3 C41 D6,9 D7,30-37 R13 0.
J K L M N (E63-0852-05) 13 10 5 1 WH1 ANT IN 8.2V C69 0.01 FL- FL+ RL- RST 7 24 25 CD PGND B.U. 3 CHCON 4 C72 0.01 R141 22K 9 R144 1K 100 D46 C35 1u50 C36 1u50 + + R146 2.7K 8 11 10 C39 0.22 11 R93 12 4.7K 13 13 GND AM 8.2V 21 0V 18 SMUTE 3.5V MPX LEVEL 4.0V QUAL MPIN OUTR 17 C41 Q20 85 R166 2.2K 1 R167 2.2K 2 2.
S X25J4 T U V W X Y Z AA (X13-970X-XX) 1/2 1 1 R1 1K 97 R2 47K VLCD AVR C3 0.22 C4 0.22 D25 C5 0.22 R28 750 Q4 10.2V C1 2.2 4 100 0V IC2 99 KI1 Q1 KEY-MATRIX PERMISSION SW L-CE 9 8 R8 1K L-DATAL L-INH 7 OUT 6 5V 0V R11 1K 5.0V 4 SW5V N.C. 2 PANEL 3 IC2 1 RST REMO 5 R9 47 5.0V C6 2.2 76 10 L-CLK RESET KI2 77 L-DATAS 11 R5 470 96 GND 3 GND VCC KI3 R4 470 R7 470 97 2 10K KI5 12 LED +B R6 1K 98 KI4 78 ILL-GND 13 C10 0.01 R15 4.
KMD-671R EXPLODED VIEW (UNIT) B A 1 2 3 Parts with exploded numbers larger than 700 are not suppied.
KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohane Parts No. werden nicht geliefert. Ref.No. A N d e d w Parts No.
KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohane Parts No. werden nicht geliefert. Ref.No. A N d e d w Parts No. ELECTRIC UNIT (X25-845X-XX) Dest inati on Description ELECTRIC UNIT (X25-845X-XX) Ref.No. A N d e d w Parts No.
KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohane Parts No. werden nicht geliefert. Ref.No. A N d e d w Parts No. ELECTRIC UNIT (X25-845X-XX) Dest inati on Description Ref.No. A N d e d w Parts No. Dest inati on Description R32 R38 R39 R40 R44 RK73GB1J102J RK73EB2B241J RK73GB1J473J RK73GB1J470J RK73GB1J222J CHIP R CHIP R CHIP R CHIP R CHIP R 1.0K 240 47K 47 2.
KMD-671R PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohane Parts No. werden nicht geliefert. Ref.No. A N d e d w D30 -37 D41 D44 -46 D50 ,51 D50 ,51 Parts No. ERA15-01 MA4062-L MA4062-L DA204K ∗ KDS226 Description DIODE ZENER DIODE ZENER DIODE DIODE DIODE ELECTRIC UNIT (X25-845X-XX) Dest inati on M1 Ref.No. A N d e d w Parts No.
KMD-671R SPECIFICATIONS KMD-671R FM tuner section Frequency Range(Frequency step) ............ 87.5MHz~108.0MHz(50kHz) Channel Space Selection ............................ FIX(M type) Usable Sensitivity(S/N 26dB) ...................... 0.7µV/75Ω Quieting Sensitivity(S/N 46dB) .................... 1.6µV/75Ω Frequency Response(±3.0dB) .................... 30Hz~15kHz S/N .............................................................. 65dB(MONO) Selectivity(DIN) ...........................................