Kewood KRC-225_KRC-235_KRC-265 free download

File name Kewood KRC-225_KRC-235_KRC-265.pdf

CASSETTE RECEIVER KRC-225/235 KRC-265/S SERVICE MANUAL KRC-225 KRC-235 © 2001-11 PRINTED IN KOREA B51-7854-00 (K) 1748 Escutcheon (B07-2124-02) Panel assy (A64-2506-02) Escutcheon (B07-2124-02) Panel assy (A64-2505-02) KRC-265/S Escutcheon (B07-2124-02):KRC-265 (B07-3049-02):KRC-265S Plastic cabinet assy (A02-1486-13) Panel assy (A64-2507-02):KRC-265 (A64-2634-02):KRC-265S Lever (D10-3031-04)x2 Screw set (N99-1610-15) Mounting hardware assy (J21-9491-13) DC cord (E30-4783-05):KRC-225/235 DC cord (E30-4784-05):KRC-265/S Screw set (N99-1719-05) KRC-225/235/265/265S CHMUTE CHRST DATA C DATA H AM ANT RF GND FM+B CH CON REQ C CH CLK REQ H Rch OSC GND OSC GND OSC GND VT PLL +B IFC OUT SDA SCL DIG GND VDD 5V IF2 GND IF2 +B AUDIO OUT SD S-METER IF1+B IF1 GND FWD/REV L DATA S FM: 400mV AM: 170mV FF/REW PACK IN MOTOR BEEP AMP. STBY Lch OSC GND SCL SCL S MUTE L DATA L PANEL HOLD L CLK L CE 2 (X14-) 8 J4 CD/MD CHANGER Lch Rch AM 8V 1200mV Lch Rch KRC-235,265/S IC2 IC4 ,Q151 POWER IC B.U. AM BPF J2 SP OUT FM BPF MPX LEVEL OUT LF A1 RF GND FM ANT FRONT Lch MP IN IC1 Q200,201 FM+B Q202,203 FM+B E-VOL. N.C.MPX CH ISO AMP OUT RF FRONT Rch OUT LR AM+B SDA SDA AM+B AM+B REAR Lch OUT RR BLOCK DIAGRAM REAR Rch SYSTEM MI-COM SVR AMP. MUTE IC3 Q150,153 5V 8V PLL DATA PLL CLK SD S-METER MUTE ANT CON ACC DET B.U. DET SW5V ILL P CON B.U.5V BU5V MUTE Q450,451 STBY SVR MUTE AC GND (BEEP) PRE MUTE J5 REAR PRE OUT 1 Lch 2 Rch TAPE MECHA. MAIN Q260,261 MOTOR SW IC5 EQ. AMP. Lch PACK IN COM Rch SW5V L TAPE R 55.6mV FWD REV 8V 8V B.U.5V B.U. KRC-265/S Q370,371 Q53 SW 5V BU5V J2 M FM :1781mV AM :546mV TAPE :1681mV CD/MD-CH :3529mV ANT-CONT. ANT-CONT. P-CONT. Q320 PAN 5V Q301 KRC-225/235 RST Q54-57 COM +B Q58-61 ILLUMI. Q51,52 Q350-353 P-CONT. P-CONT. /ANT-CONT. (X16-) T-MUTE (FF/REW) 4 Lch PLAY HEAD Rch B.U.5V Q50 B.U. DET. B.U. B.U.5V ACC. DET. ACC IC1 LCD DRIVER 6 ED1 LCD Q1 5 KEY PAN IN SW RST SW KRC-225/235/265/265S COMPONENT DESCRIPTION ¶SWITCH UNIT(X16-1490-XX) Ref.No. IC1 Q1 Component Name Application/Function Operation/Condition/Compatibility LC75853NE LCD driver with key-matrix DTA114EK or UN2111 Key-matrix permission SW Ready on key-matrix or KRA102S ¶SYNTHESIZER UNIT(X14-6850-XX) Ref.No. IC1 IC2 IC3 IC4 IC5 Q50 Q51 Q52 Q53 Q54 Q55 Q56 Q57 Q58 Q59 Q60 Q61 Q150 Q151 Q153 Q200 Q201 Q202 Q203 Component Name LC72366-9592 TDA7461ND HD74HC27FP TDA7384A or TDA7386 LA3161 2SC2412K or 2SD601A 2SB1443 2SC2412K or 2SD601A DTA114YK or UN2114 or KRA107S DTC144EK or UN2213 or KRC104S DTA124EK or UN2112 or KRA103S 2SA2057 or 2SB1548 (P) or 2SB1565(E,F) or 2SB1655(E,F) 2SC2412K or 2SD601A DTC144EK or UN2213 or KRC104S DTA124EK or UN2112 or KRA103S 2SA2057 or 2SB1548 (P) or 2SB1565(E,F) or 2SB1655(E,F) 2SC2412K or 2SD601A Application/Function System MI-COM. E-VOL. & N.C. MPX Mute logic Power IC Equalizer amplifier BACK-UP detection (Momentary power down detection) SW BACK-UP 5V AVR P.ON 5V SW Operation/C