Kenwood KRC108, 188 free download

File name Kenwood-KRC108_188 car radio.pdf

CASSETTE RECEIVER KRC-108S/188 SERVICE MANUAL © 1999-12 PRINTED IN JAPAN B51-7576-00 (N) 1789 KRC-108S Knob (EJECT) (K27-3554-03) Cassette lid (A53-1675-03) Knob (REW) Knob (FF) (K27-3556-04) (K27-3555-04) KRC-108S Escutcheon (B07-2181-02) LCD (B38-1024-05) Panel (A64-1932-02) KRC-188 Knob (EJECT) (K27-3554-03) Cassette lid (A53-1677-03) Knob (REW) Knob (FF) (K27-3556-04) (K27-3555-04) KRC-188 Escutcheon (B07-2181-02) LCD (B38-1024-05) Panel (A64-1933-02) Lever (D10-3031-04)x2 Stay (J54-0606-04) Screw set (N99-1632-05) Mounting hardware (J21-9491-03) DC cord (E30-4783-05) : KRC-108S (E30-4784-05) : KRC-188 KRC-108S/188 CONTENTS BLOCK DIAGRAM ... 3 MICROCOMPUTER'S TERMINAL DECRIPTION ... 4 ADJUSTMENT ... 6 PC BOARD ... 7 SCHEMATIC DIAGRAM ... 11 EXPLODED VIEW ... 15 PARTS LIST ... 17 SPECIFICATIONS ... BACK COVER 2 IC2 IC4 POWER IC 40W TDA7384A 8V B.U AM BPF J2 SP OUT OUT LF AM FM BPF LEVEL MP IN MPX F/E FRONT Lch IC1 TDA7400D OUT RF FM+B OUT LR AM+B SCL SCL Lch Rch SMUTE RF GND E-VOL. NC/MPX AMP FM ANT AM ANT RF GND Q201 FRONT Rch FM+B FM+B SDA SDA Q203 AM+B OUT RR AM+B OSC GND REAR Lch OSC GND OSC GND OSC GND BEEP AMP. STBY SVR VT REAR Rch PLL +B IFC OUT SDA AMP. MUTE SCL SYSTEM u-COM M38258MCD FP IC3 MUTE PLL-SDA PLL-SCL B.U DET SD PON P CON ILL S-METER BU5V ACC DET ANT CON 8V DIG GND VDD 5V 5V MUTE HD74HC27FP IF2 GND STBY SVR MUTE AC GND(BEEP) IF2 +B AUDIO OUT SD S-METER IF1+B IF1 GND FF/REW PACK IN MOTOR FWD/REV KS0-KS4 KI0-KI3 RESET FM: 400mV AM: 170mV BU5V Q450,451 J5 REAR PRE OUT 1 Lch PRE MUTE FM :1781mV AM :546mV TAPE :1681mV BLOCK DIAGRAM TAPE MECHA 9 25 COM1-COM3 SEG1-SEG22 2 Rch J2 MAIN EQ. AMP LA3161 L R 55.6mV 25 TAPE IC5 RST Q370 ANT-CONT Q53 SW5V IC6 RST IC PST9130NR BU5V 8V M ANT-CONT KRC-188 ONLY B.U.5V PACK IN Lch COM ED1 7SEG LCD P-CONT. Q62 ACC DET. Q56 8V Q60 ILLUMI Q51 Q50 B.U DET. Q350 P-CONT. B.U ACC Rch FWD 8V REV T-MUTE (FF/REW) (X13) 9 BU5V PLAY HEAD Lch Rch BU5V RST SW LED KEY KRC-108S/188 3 KRC-108S/188 MICROCOMPUTER'S TERMINAL DESCRIPTION Microcomputer (M38258MCD066FP : IC1 : X14) ·Terminal description Pin No. 1 2 3-5 6-9 10 11 12 13 14 15 16 17 18 Pin Name C1 VL1 P67-65 P64-61 ANO P57 TOUT P55 P54 P53 P52 P51/INT3 P50 I/O I I I O I O O O O I I I I O I O I/O I O O O I/O O I O I I O I I O O O I I Signal (NC) V