Kenwood KRC28, 208, 218, 268, 288 free download

File name Kenwood-KRC28_208_218_268_288 car radio.pdf

CASSETTE RECEIVER KRC-208S/218 KRC-268/288 KRC-28MR SERVICE MANUAL KRC-208S (K) SRC PWR OFF © 2000-1 PRINTED IN KOREA B51-7586-00 (K) 1787 KRC-218 (K) SRC REW PR FF OG PWR OFF REW PR FF OG CLK AUTO AME ADJ CLK CD/MD-CHANGER CONTROL KRC-208S CRSC DISC AUTO AME ADJ KRC-218 CRSC FM FM LOUD SCAN RDM REP T.C/D.SCN M.RDM LOUD T.CALL ATT 1 2 3 4 5 6 AUD A.ADJ AM ATT 1 2 3 4 5 6 AUD A.ADJ AM KRC-268 (M) SRC PWR OFF KRC-288 (M) REW PR FF OG SRC PWR OFF REW PR FF OG CLK AUTO AME ADJ CLK KRC-268 CRSC AUTO AME ADJ CD/MD-CHANGER CONTROL KRC-288 FM FM CRSC DISC LOUD T.CALL LOUD SCAN RDM REP T.C/D.SCN M.RDM ATT 1 2 3 4 5 6 AUD A.ADJ AM ATT 1 2 3 4 5 6 AUD A.ADJ AM KRC-28MR (K) SRC PWR OFF REW PR FF OG CLK AUTO AME ADJ CD/MD-CHANGER CONTROL KRC-28MR FM CRSC DISC LOUD SCAN RDM REP T.C/D.SCN M.RDM ATT 1 2 3 4 5 6 AUD A.ADJ AM SCREW SET (N99-1632-05) PLASTIC CABINET ASSY (A02-1486-13) LEVER (D10-3031-04) x2 MOUNTING HARDWARE ASSY (J21-9491-03) SCREW SET (N99-1610-15) (Except KRC-28MR) STAY (J54-0606-04) DC CORD (E30-xxxx-xx) (Refer to the parts list.) 40% KRC-208S/218,268/288,28MR CHMUTE CHRST AM ANT RF GND FM+B CH CON REQ C REQ H DATA C CH CLK DATA 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 FM: 400mV AM: 170mV FF/REW PACK IN MOTOR 8V PLL DATA PLL CLK SD S-METER MUTE ANT CON ACC DET B.U. DET SW5V ILL P. CON L DATA S L DATA L PANEL L CLK HOLD B.U.5V BEEP AMP. STBY Lch OSC GND SCL SCL S MUTE L CE PL1,2 D1-15 2 J4 8 IC2 Lch Rch AM 8V 1200mV MPX LEVEL MP IN OUT LF CD/MD CHANGER Lch Rch C153,156,R207 AM BPF ANT. J1 C154,157,R206 FM BPF IC4 POWER IC B.U. J2 SP OUT FRONT Lch A1 FRONT-END RF GND FM ANT IC1 Q201 FM+B Q203 FM+B E-VOL. NC/MPX CH ISO AMP OUT RF FRONT Rch OUT LR AM+B SDA SDA AM+B AM+B REAR Lch OUT RR REAR Rch BLOCK DIAGRAM SYSTEM u-COM SVR AMP. MUTE IC3 MUTE Q450,451 BU5V STBY SVR MUTE AC GND (BEEP) PRE MUTE J5 REAR PRE OUT 1 Lch ME1 TAPE MECHA. Q370,371 MAIN J2 ANT-CONT. IC5 EQ. AMP. Lch COM Rch SW5V L TAPE R 55.6mV 8V 8V B.U.5V 2 Rch M M1 ANT-CONT. P-CONT. FM :1781mV AM :546mV TAPE :1681mV CD/MD-CH :3529mV Q353 P-CON.SW BU5V S1 PACK IN Q320 PANEL 5V SW Q301 CHANGER RESET SW Q54-57 COM+B Q58-61 ILLUMI. Q51,52 ACC Q50 B.U. DET. Q350-353 P-CONT. P-CONT. B.U. S3 FWD REV (X13) S2 T-MUTE (FF/REW) 4 Lch HD1 Rch B.U.5V B.U.5V IC1 LCD DRIVER 10 LCD KEY PAN IN SW RST SW KRC-208S/218,268/288,28MR (K/K,M/M,K) KRC-208S/218,268/288,28MR COMPONENT DESCRIPTION SYNTHESIZER UNIT (X14-614x-xx) REF. No. IC1 IC2 IC3 IC4 IC5 Q50 Q51,52 Q53 Q54,55 Q56,57 Q58,59 Q60,61 Q150 Q151 Q153 Q200 Q201 Q202 Q203 Q260 Q261 Q301 Q320 Q350 Q351,352 Q353 Q370 Q371 Q450,451 FUNCTION SYSTEM µ-COM ELECTRIC VOLUME MUTE POWER IC EQUALIZER AMPLIFIER BACK-UP DETECTION BACK-UP 5V AVR P.ON DRIVER COM+B SW COM+B AVR ILLUMINATION +B SW ILLUMINATION +B