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CASSETTE RECEIVER
KRC-597/597Y
SERVICE MANUAL
DC cord
(E30-6286-05)
Escutcheon
(B07-3083-02)
Panel assy
(A64-3201-02)
Plastic cabinet assy
(A02-1486-13)
Lever
(D10-4589-04)
x2
TDF PANEL INFORMATION
MODEL
TDF PANEL No.
KRC-597/597Y
Y33-1930-68
© 2003-11 PRINTED IN JAPAN
B53-0107-00 ( N ) 1839
Mounting hardware assy
(J22-0011-03)
Screw set
Antenna adaptor
(N99-1730-15)
(T90-0523-05)
TDF NAME
TDF-597
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Table of Contents
Related Manuals for Kenwood KRC-597
Summary of Contents for Kenwood KRC-597
- Page 1 CASSETTE RECEIVER KRC-597/597Y SERVICE MANUAL © 2003-11 PRINTED IN JAPAN B53-0107-00 ( N ) 1839 Panel assy (A64-3201-02) DC cord Plastic cabinet assy Mounting hardware assy (E30-6286-05) (A02-1486-13) (J22-0011-03) Escutcheon Lever Screw set Antenna adaptor (B07-3083-02) (D10-4589-04) (N99-1730-15) (T90-0523-05) TDF PANEL INFORMATION MODEL TDF PANEL No.
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Page 2: Block Diagram
KRC-597/597Y BLOCK DIAGRAM (X14- ) MP IN TUNER E-VOL LEVEL AM+B & SW5V PRE MUTE PRE OUT TAPE SW5V AUDIO OUT QUAL BUFFER DECODER BUFFER S-METER MUTE DRIVER BU5V BU5V POWER PLL-DATA SP OUT PLL-CLK IFC OUT THERMAL BACK UP... -
Page 3: Disassembly For Repair
KRC-597/597Y DISASSEMBLY FOR REPAIR How to Disassemble (PANEL ASSY) How to install knob (SRC) 1) Remove four screws (A). 1) Place knob (F) and knob (G) in the positions indicated in 2) While holding the section (B) indicated with arrows, pull and the diagram below. -
Page 4: Components Description
KRC-597/597Y COMPONENTS DESCRIPTION SYNTHESIZER UNIT (X14-9182-71) Ref. No. Application / Function Operation / Condition / Compatibility System µ-COM Controls FM/AM tuner, the changer, cassette mechanism, Panel, volume and tone. E.Vol & N.C.MPX Controls the source, volume, tone and FM multiplex detector. -
Page 5: Switch Unit (X16-2502-70)
KRC-597/597Y COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility SW 5V ON when the base is “L”. Power-Antenna “H” when P-ANT output is short-circuit (P.ANT OFF). Detection “L” when FM/AM signal does not exist. P-CON Detection “H”... -
Page 6: Microcomputer's Terminal Description
KRC-597/597Y MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER : MN101C49HNB (IC1 : X14) Truth Value Pin No. Pin Name Application Processing Operation Description Table VREF- GND for A/D F REEL Reel pulse FWD C mechanism reel pulse output FWD. Vth=2.5V R REEL Reel pulse REW C mechanism reel pulse output REW. - Page 7 KRC-597/597Y MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table MUSIC Tape between-music DET Music signal DET : L, Music signal no DET : H 37~40 L DATAS TXD for LCD L DATAL RXD for LCD...
- Page 8 KRC-597/597Y MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table P-STBY POWER IC STBY output terminal When POWER IC ON : H, OFF : L POWER IC SVR control terminal Momentary power dropped : H...
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Page 9: Test Mode
KRC-597/597Y TEST MODE 1. How to enter the test mode 7. Test mode specifications of the cassette • While holding the Preset 1 and Preset 3 keys, reset the unit. receiver • BLANK SKIPP : OFF 2. How to exit from the test mode •... - Page 10 KRC-597/597Y TEST MODE 11. Special display when the display is All ON Security Pressing the Preset keys while the power is All OFF dis- • Forced Power ON mode (All models) plays the following information. Even when the security is approved, resetting the unit while...
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Page 11: Front Panel
KRC-597/597Y 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. -
Page 12: Pc Board (Component Side View)
KRC-597/597Y PC BOARD (COMPONENT SIDE VIEW) SYNTHESIZER UNIT X14-9182-71 (J74-1446-42) 13 11 12 8 4 3 2 D256 D258 D254 C303 C256 D252 D271 C255 D304 D307 C252 C258 C251 C254 D302 C253 C301 D303 D308 D311 D309 C211 D310... - Page 13 KRC-597/597Y DAUGHTER UNIT SWITCH UNIT X16-2502-70 (J74-1568-02) X89-2570-11 (J74-1450-02) C409 X14-9182-71 X16-2502-70 Address Address...
- Page 14 KRC-597/597Y PC BOARD (FOIL SIDE VIEW) SYNTHESIZER UNIT X14-9182-71 (J74-1446-42) C260 C263 C261 R252 R251 W104 R255 C210 Q350 R414 C212 R201 IC10 R202 R206 D403 Q201 C112 C113 R205 R204 R207 R116 R114 R112 R208 Q151 R113 10 11...
- Page 15 KRC-597/597Y DAUGHTER UNIT SWITCH UNIT X16-2502-70 (J74-1568-02) X89-2570-11 (J74-1450-02) C356 Q351 Q352 C357 Q355 Q356 Q350 R101 R102 R104 X14-9182-71 X16-2502-70 Q101 Address Address R111 C116 IC11 C163 CP3 CP4...
- Page 16 KRC-597/597Y PRE OUT ∗ REAR FRONT (X14-918x-xx) C356 C357 0.01 0.01 R355 R356 R361 R362 Q351 Q352 Q355 Q356 ANT. 52mH ∗ RF GND MUTE MUTE R314 100K FM ANT R313 AM ANT D304 D308 D303 100K OSC GND D301 C110 0.01...
- Page 17 KRC-597/597Y DC-IN SP OUT F1 10A FUSE POWER P-CO ANTENNA DETE DETECTION R252 R254 1.5K C258 3300u16 ∗ TEL MUTE D270 1u50 C256 C255 22u16 0.47u50 0.01 ∗ D269 R255 R33 47K ACC DETECTION POWER 5.0V 4.7K 4.7K R9 33K R314 ∗...
- Page 18 • DC voltages are as mea- D-GND 1 sured with a high im- pedance voltmeter. Val- TAKEUP EJECT REEL ues may vary slightly due to variations be- tween individual instru- 10 11 ments or/and units. KRC-597/Y (1/2) X14-9182-71 (3/3), X89-2570-11 (1/1)
- Page 19 KRC-597/597Y SWITCH UNIT (X16-2502-70) TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 DISP TP26 ESD-GND 2.2K 2.2K TP13 TP27 FLIP DET AUTO/ RESET RESET VOL A Q2,3 D-GND+ ILL GND ILLUMINATION VOL B ILL+B TP11 R11 1K REMO TP10 GND 1 GND 2 5.0V...
- Page 20 KRC-597/597Y ED1(SEGMENT) ED1(COMMON) SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 LCD DRIVER SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 X16-2502-70 (2/3)
- Page 21 BR24C01AF-W LB1930M KRC-597/Y (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 22: Exploded View (Mechanism)
KRC-597/597Y EXPLODED VIEW (MECHANISM) Parts with the exploded numbers larger than 700 are not supplied. -
Page 23: Exploded View (Unit)
KRC-597/597Y EXPLODED VIEW (UNIT) CME1 M3x3.5 : N09-4368-05 M2.6x8 : N30-2608-46 φ2x6 : N80-2006-46 φ2x8 : N80-2008-45 φ3x5 : N83-3005-46 φ2x5 : N84-2005-45 φ2.6x6 : N84-2606-45 φ3x8 : N80-3008-46 φ3x8 : N83-3008-46 φ3x20 : N83-3020-46 (X14-) (X16-) (X16) (X89-) Parts with the exploded numbers larger than 700 are not supplied. -
Page 24: Parts List
KNOB (ROTARY) C115 C94-0058-05 ELECTRO 10UF 16WV K24-4000-03 KNOB (EJECT) C116 CC73GCH1H331J CHIP C 330PF K24-4102-03 KNOB (SRC) C117 CD04AT1V2R2M ELECTRO 2.2UF 35WV K24-4103-04 KNOB (REL) C163 CK73GB1A224K CHIP C 0.22UF E1 : KRC-597 E2 : KRC-597Y Indicates safety critical components. - Page 25 CHIP R J 1/10W R167 RK73GB2A474J CHIP R 470K J 1/10W R168 RK73GB2A102J CHIP R 1.0K J 1/10W RK73GB2A223J CHIP R J 1/10W R169,170 RK73GB2A474J CHIP R 470K J 1/10W E1 : KRC-597 E2 : KRC-597Y Indicates safety critical components.
- Page 26 AM01ZNF DIODE B19-2243-02 LIGHTING BOARD D255 DIODE B30-1564-05 LED (1608,BLUE) D256 AM01ZNF DIODE B30-1566-05 LED (1608,RED) D257 DIODE D258 AM01ZNF DIODE D3-13 B30-1605-05 LED (2COLOR PG/RED) D31,32 B30-1571-05 LED (WHITE) E1 : KRC-597 E2 : KRC-597Y Indicates safety critical components.
- Page 27 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 G02-1332-08 FLAT SPRING D13-1498-08 RACK (GEAR) E1 : KRC-597 E2 : KRC-597Y Indicates safety critical components.
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Page 28: Specifications
KENWOOD ELECTRONICS GULF FZE KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.