Specifications - Kenwood KDC-237SA Service Manual

KDC-237SA/237SAY
KDC-237SG/237SGY
MECHANISM ASSY (X92-5860-00) DXM-6C00W
A N
Ref. No. d e Parts No.
d w
G 2A N19-2163-04
H 1B N39-2020-48
J 1B N09-6108-15
K 3B N09-6155-15
E1 : KDC-237SA E2 : KDC-237SG
(E : Europe K : North America
FM tuner section
Frequency range (50kHz space) ........... 87.5MHz~108.0MHz
Usable sensitivity (S/N=26dB) ............................. 0.7µV/75Ω
Quieting Sensitivity (S/N=46dB) ........................... 1.6µV/75Ω
Frequency response (±3dB) .............................. 30Hz~15kHz
Signal to Noise ratio (MONO) ....................................... 70dB
Selectivity (DIN) (±400kHz) ........................................ ≥80dB
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 ................................................................. 1Bit
Spindle speed ......................................... 500~200rpm (CLV)
Wow & Flutter .................................. Below Measurable Limit
Frequency response (±1dB) .............................. 10Hz~20kHz
Total harmonic distortion (1kHz) ................................. 0.01%
Signal to Noise ratio (1kHz) .......................................... 93dB
Dynamic range .............................................................. 93dB
DANGER:
Please do not look at the laser beam directly during
repair or operation check.
PARTS LIST
Desti-
Description
nation
FLAT WASHER (1.6X6X0.25)
PAN HEAD MACHINE SCREW (M2X2)
TAPTITE SCREW (M2X3.5)
SEMS (TAPTITE SCREW) (PT2X6)
E3 : KDC-237SAY E4 : KDC-237SGY
M : Other Areas W : Without Europe)

SPECIFICATIONS

A N
Ref. No. d e Parts No.
d w
DM1 3B T42-1066-14
DM2 2B T42-1067-14
DPU1 2B X93-2130-01
Audio section
Maximum output power ............................................ 45W x 4
Output Power (DIN 45324, +B=14.4V) ..................... 28W x 4
Speaker Impedance ...................................................... 4~8Ω
Tone action
Bass ................................................................. 100Hz±8dB
Middle ................................................................ 1kHz±8dB
Treble ............................................................... 10kHz±8dB
Auxiliary input
Frequency response (±1dB) .............................. 20Hz~20kHz
Input Maximum Voltage ............................................ 1200mV
Input Impedance ......................................................... 100kΩ
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 ......................................................................... 1.40kg
KENWOOD follows a policy of continuous advancements
in development. For this reason specifications may be
changed without notice.
Desti-
Description
nation
DC MOTOR (SPINDLE)
DC MOTOR (LOADING/SLED)
OPTICAL PICKUP ASSY (LF)
Indicates safety critical components.