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Instruction Manual
CASSETTE RECEIVER
KRC-594/V/Y/YV
SERVICE MANUAL
The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40-1122-05.
Please refer to the service manual for model D40-1122-05 (B51-7452-00).
Plastic cabinet assy
(A02-1486-13)
Panel assy
(A64-2850-02): KRC-594 /Y
(A64-2852-02): KRC-594V/YV
DC cord
(E30-4790-05)
Lever
(D10-4589-04)x2
© 2002-12 PRINTED IN JAPAN
B53-0017-00 ( N ) 1874
DOLBY B NR
Escutcheon
(B07-3083-02)
Mounting hardware assy
(J22-0011-03)
Antenna adaptor
(T90-0523-05)
Screw set
(N99-1730-15)
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Table of Contents
Related Manuals for Kenwood KRC-594
Summary of Contents for Kenwood KRC-594
- Page 1 © 2002-12 PRINTED IN JAPAN B53-0017-00 ( N ) 1874 The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40-1122-05. Please refer to the service manual for model D40-1122-05 (B51-7452-00). Panel assy (A64-2850-02): KRC-594 /Y (A64-2852-02): KRC-594V/YV DOLBY B NR Escutcheon (B07-3083-02)
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Page 2: Disassembly For Repair
KRC-594/V/Y/YV DISASSEMBLY FOR REPAIR How to remove the Volume Knob How to install the Volume Knob 1. Remove the rear cover of panel unit. 1. Remove the peeling paper of LIGHTING BOARD BOSS 2. Juck up as remove the switch unit (x16-) and Volume Knob side. - Page 3 MODE K,M-TYPE E-TYPE TAPE 1800mV 1800mV 1800mV 1372mV MP IN 600mV 855mV E-VOL TUNER 3600mV 3600mV LEVEL & AM+B SW5V PRE MUTE PRE OUT TAPE SW5V AUDIO OUT QUAL BUFFER DECODER BUFFER S-METER MUTE BU5V PLL-DATA BU5V DRIVER POWER SP OUT PLL-CLK IFC OUT SW5V...
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Page 4: Components Description
KRC-594/V/Y/YV COMPONENTS DESCRIPTION SWITCH UNIT (X16-2032-7x) Ref. No Purpose Function Operation/Condition/Compatibility ¡ LCD driver Drives LCD Remote control IC Controls the unit Q1,Q4 REMO ON switch The power supply of IC2 is turned on when base level goes "L" Key Illumination switch (Green) Lights Green key-illumination when base level goes "H"... -
Page 5: Microcomputer's Terminal Description
KRC-594/V/Y/YV MICROCOMPUTER'S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER MN101C49HNA (IC1: X14-) Pin No. Name Module Description Processing Operation VREF- Power supply GND for A/D F REEL TAPE Reel pulse FWD Cassette mecha reel pulse output FWD Vth=2.5V R REEL TAPE Reel pulse REW Cassette mecha reel pulse output REW Vth=2.5V... - Page 6 KRC-594/V/Y/YV MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. Name Module Description Processing Operation PLL CLK TUNER I/O Tuner I2C SCL PANEL 5V to PANEL I/O Panel 5V ON/OFF Attached the panel, ACC ON :L (Refer to "Truth table 5") VOL A to PANEL...
- Page 7 KRC-594/V/Y/YV MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. Name Module Description Processing Operation FWD input :L TAPE O Tape EQ input switching REV input :H MODE except TAPE :keep the value NORMAL :H, METAL :L METAL TAPE O TAPE METAL ON/OFF MODE except TAPE :keep the value...
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Page 8: Test Mode
KRC-594/V/Y/YV TEST MODE 1. How to enter the test mode 7. Test mode specifications of the cassette receiver • While holding the Preset 1 and Preset 3 keys, reset the unit. • BLANK SKIPP :OFF 2. How to exit from the test mode 8. -
Page 9: Special Display When The Display Is All On
KRC-594/V/Y/YV TEST MODE 11. Special display when the display is All ON Security Pressing the Preset keys while the power is All OFF • Forced Power ON mode (All models) displays the following information. Even when the security is approved, resetting the unit... - Page 10 KRC-594/V/Y/YV ADJUSTMENT Set the controls and switches as follows. BALANCE :center position BASS :center position LOUD :OFF DOLBY NR :OFF FADER :center position TREBLE :center position TUNER OUTPUT ALIGNMENT ITEM INPUT SETTINGS (RECEIVER) ALIGN FOR FIG. SETTINGS POINTS SETTINGS CASSETTE DECK SECTION...
- Page 11 KRC-594/V/Y/YV PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) X16-2032-7x (J74-1451-02) X16-2032-7x (J74-1451-02) FLIP DET VOL B VOL A REMO ILL +B ILL GND D GND X16-2032-7x Ref. No address X89-2570-11 (J74-1450-02) X89-2570-11 (J74-1450-02) Refer to the schematic diagram for the values of...
- Page 12 KRC-594/V/Y/YV PC BOARD (COMPONENT SIDE VIEW) X14-9182-71 Ref. No address Refer to the schematic diagram for the values of resistors and capacitors.
- Page 13 KRC-594/V/Y/YV PC BOARD (FOIL SIDE VIEW) W102 R422 W103 R166 Q152 R257 C410 C111 R266 C408 C265 D251 C257 D257 R256 D253 D255 C262 R416 R417 C201 R261 R153 R420 R421 R162 C202 R411 R412 R159 R259 R413 R415 C204...
- Page 14 KRC-594/V/Y/YV DTC143TUA PRE OUT ∗ UN5114 REAR FRONT (X14-9182-71) UN5211 UN5216 C356 C357 ANT. 0.01 0.01 2SA1036K 52mH ∗ 2SA1576A R355 R356 R361 R362 RF GND Q351 Q352 Q355 Q356 FM ANT AM ANT OSC GND FM+B AM+B OSC GND...
- Page 15 KRC-594/V/Y/YV DC-IN SP OUT F1 10A FUSE POWER ANTENN DETECT R252 R254 1.5K C258 3300u16 D270 ∗ TEL MUTE 1u50 C256 C255 22u16 D269 0.01 0.47u50 R255 ∗ R33 47K ACC DETECTION POWER 4.7K 5.0V R9 33K R314 ∗ 100K R313 0.01...
- Page 16 4.0V 5.0V L-CE R11 1K R REEL OUT2 EJECT 5.0V D-GND R12 1K RESET 6 L-DATAL OUT1 R13 1K 4.0V REMO NC10 ILL+B ILL-GND 3 TAKE UP PANEL-5V D-GND 1 EJECT TAKEUP REEL 0.01 10 11 KRC-594/V/Y/YV (1/2) X14-9182-71 (3/3)
- Page 17 KRC-594/V/Y/YV SWICTH UNIT (X16-2032-7x) TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 TP26 ESD-GND TP13 2.2K 2.2K TP27 FLIP DET AUTO RESET RESET VOL A Q2,3 ILL-GND ILLUMINATION VOL B 1Kx4 ILL+B 1Kx4 TP11 R6 1K REMO 470x4 TP10 GND 1...
- Page 18 KRC-594/V/Y/YV ED1(SEGMENT) ED1(COMMON) KRC-594/V/Y/YV (2/2) CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
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Page 19: Exploded View (Mechanism)
KRC-594/V/Y/YV EXPLODED VIEW (MECHANISM) Parts with the exploded numbers larger than 700 are not supplied. -
Page 20: Exploded View (Unit)
KRC-594/V/Y/YV EXPLODED VIEW (UNIT) CME1 M3x3.5 N09-4368-05 M2.6x8 N30-2608-46 φ 2x6 N80-2006-46 φ 2x8 N80-2008-45 φ 3x5 N83-3005-46 φ 2x5 N84-2005-45 φ 2.6x6 N84-2606-45 φ 3x8 N80-3008-46 φ 3x8 N83-3008-46 φ 3x20 N83-3020-46 (X14-) Depends on the model. Refer to the parts list. -
Page 21: Parts List
MOUNTING HARDWARE ASSY C114 CK73GB1H103K CHIP C 0.010UF K K23-1072-13 KNOB (VOL) C115 C90-2597-05 ELECTRO 10UF 16WV K24-4000-03 KNOB (EJECT) C116 CC73GCH1H331J CHIP C 330PF E2 : KRC-594 E3 : KRC-594Y indicates safety critical components. E4 : KRC-594V E5 : KRC-594YV... - Page 22 CHIP R 100K J 1/10W R166 RK73GB2A472J CHIP R 4.7K J 1/10W RK73FB2B203J CHIP R J 1/8W R167 RK73GB2A474J CHIP R 470K J 1/10W E2 : KRC-594 E3 : KRC-594Y indicates safety critical components. E4 : KRC-594V E5 : KRC-594YV...
- Page 23 B19-2199-03 LIGHTING BOARD D254 AM01Z DIODE D255 DIODE D1 -14 B30-1605-05 LED(2COLOR PG/RED) D256 AM01Z DIODE B30-1564-05 LED(1608,BLUE) D257 DIODE D17 ,18 B30-1571-05 LED(WHITE) E2 : KRC-594 E3 : KRC-594Y indicates safety critical components. E4 : KRC-594V E5 : KRC-594YV...
- Page 24 CASSETTE MECHANISM ASSY (D40-1147-05) A10-4630-08 CHASSIS ASSY D10-4375-08 SLIDER D13-1494-08 GEAR D13-1495-08 GEAR D13-1496-08 GEAR D10-4376-08 J90-0948-08 GUID D15-0919-08 PULLEY D13-1497-08 GEAR J21-9458-08 MOUNTING HARDWARE E2 : KRC-594 E3 : KRC-594Y indicates safety critical components. E4 : KRC-594V E5 : KRC-594YV...
- Page 25 KRC-594/V/Y/YV 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. 5 = Value...
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Page 26: Specifications
S/N (dB) Dolby NR OFF..........57dB Dolby BNR ON .......... 65dB KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Manufactured under license from Dolby Laboratories."Dolby" and the double-D symbol are trademarks of Dolby Laboratories.