KENWOOD KDCW657
Service Manual

KDC-W6527SE/W6527SEY KDC-W657/W657Y

SPECIFICATIONS
FM tuner section Frequency Range (50kHz space) ......... 87.5MHz~108.0MHz Usable Sensitivity (S/N 26dB) .............................. 0.7µV/75� Quieting Sensitivity (S/N 46dB) ............................ 1.6µV/75� Frequency Response (±3.0dB) ......................... 30Hz~15kHz Signal to Noise ratio (MONO) ....................................... 65dB Selectivity (DIN) ....................................... �80dB (±400kHz) Stereo Separation (1kHz) .............................................. 35dB MW tuner section Frequency Range (9kHz space) ............... 531kHz~1611kHz Usable Sensitivity (S/N 20dB) ....................................... 25µV LW tuner section Frequency Range ........................................ 153kHz~281kHz Usable Sensitivity (S/N 20dB) ....................................... 45µV CD player section Laser Diode ............................................................... GaAlAs Digital Filter (D/A) ............................. 8 Times Over Sampling D/A Converter ................................................................ 1 Bit Spindle Speed ........................... 1000~400rpm (CLV 2times) Wow & Flutter ................................. Below Measurable Limit Frequency Response (±1dB) ............................ 10Hz~20kHz Total Harmonic Distortion (1kHz) KDC-W6527SE ..................................................... 0.008% KDC-W657 ............................................................... 0.01% Signal to Noise ratio (1kHz) KDC-W6527SE ....................................................... 110dB KDC-W657 .............................................................. 105dB Dynamic Range ............................................................. 93dB Channel Separation ...................................................... 96dB MP3 Decode ......... Compliant with MPEG-1/2 Audio Layer-3 WMA Decode ............. Compliant with Windows Media Audio Audio section Maximum output power ........................................... 50 W x 4 Output power (DIN 45324, +B=14.4V) .................... 30 W x 4 Tone action Bass .............................................................. 100Hz±10dB Middle .............................................................. 1kHz±10dB Treble ............................................................ 10kHz±10dB Preout level/Load (during disc play) ............... 2000mV/10k� Preout Impedance ...................................................... �600� Auxiliary Input (KDC-W6527SE) Frequency Response (±1dB) ........................... 20Hz~20kHz Input Maximum Voltage ............................................ 1200mV Input Impedance ......................................................... 100k� GENERAL Operating voltage (11~16V allowable) ......................... 14.4V Current Consumption ...................................................... 10A Installation Size (W x H x D) ................... 182 x 53 x 155 mm Weight ........................................................................... 1.4kg

follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.

KENWOOD CORPORATION
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan

KENWOOD USA CORPORATION
P.O. Box 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A.

KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori 7/9, 20129 Milano, Italy

KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8

KENWOOD IB�RICA S.A.
Bolivia, 239-08020 Barcelona, Spain

KENWOOD ELECTRONICS LATIN AMERICA S.A.
P.O. Box 55-2791 Paitilla, Plaza Credicorp Bank Panama, Piso 9, Oficina 901, Calle 50, Panama, Rep. de Panama

KENWOOD ELECTRONICS AUSTRALIA PTY. LTD. (A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, Australia

KENWOOD ELECTRONICS BRASIL LTDA.
Alameda Ministro Rocha Azevedo No. 456, Edificio Jaú, 10o Andar, Cerqueira César, Cep 0140-001, São Paulo-SP-Brasil

KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong

KENWOOD ELECTRONICS UK LIMITED
Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom

KENWOOD ELECTRONICS GULF FZE
P.O. Box 61318, Jebel Ali, Dubai, U.A.E.

KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker-Str. 15, 63150 Heusenstamm, Germany

KENWOOD ELECTRONICS (THAILAND) CO., LTD.
1 Genting Lane, #07-00, Kenwood Building, Singapore, 349544

956 Udom Vidhya Building (Olympia) Rama IV Road, Silom, Bangrak, Bangkok 10500 Thailand

KENWOOD ELECTRONICS SINGAPORE PTE. LTD. KENWOOD ELECTRONICS (MALAYSIA) SDN BHD
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1, 46300 Petaling Jaya, Selangor Darul Ehsan, Malaysia

KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France

KENWOOD ELECTRONICS BELGIUM N.V.
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium