Service manual

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CD-C449W/K449W
● General
Power source: AC 110/127/220/230-240 V,
50/60 Hz
Power consumption: 120 W
Dimensions: Width; 270 mm (10-5/8")
Height; 316 mm (12-1/2")
Depth; 343 mm (13-1/2")
Weight: 9.2 kg (20.3 lbs.)
● Amplifier section
Output power: PMPO; 1200 W
MPO; 240 W (120 W + 120 W)
(10 % T.H.D.)
RMS; 150 W (75 W + 75 W)
(10 % T.H.D.)
Output terminals: Speakers; 8 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
CD digital output (optical)
Input terminals: Video/Auxiliary (audio signal)
1/2; 500 mV/47 kohms
Microphone 1/2; 1 mV/4.7 kohms
(CD-K449W only)
● Tuner section
Frequency range: FM; 88 - 108 MHz
SW2; 9.5 - 21.85 MHz
SW1; 3.2 - 7.3 MHz
MW; 531 - 1,602 kHz
● Cassette deck section
Frequency response: 50-14,000 Hz (Normal tape)
Signal/noise ratio: 55 dB (TAPE 1, playback)
50 dB (TAPE 2, recording/
playback)
Wow and flutter: 0.15 % (WRMS)
● Compact disc player section
Type: 3-disc multi-play compact disc
player
Signal readout: Non-contact, 3-beam semi-
conductor laser pickup
D/A converter: 1-bit D/A converter
Frequency response: 20 - 20,000 Hz
Dynamic range: 90 dB (1 kHz)
● Speaker section
Type: 3-way type [130 mm (5-1/8")
woofer, 50 mm (2") tweeter and
super tweeter]
Maximum input
power: 150 W
Impedance: 8 ohms
Dimensions: Width; 220 mm (8-11/16")
Height; 316 mm (12-1/2")
Depth; 284 mm (11-3/16")
Weight: 3.6 kg (7.9 lbs.)/each
SPECIFICATIONS
QACCA0001AW00
VOLTAGE SELECTION
The voltage selector is located on the AC voltage selector box. If adjustment is necessary, use a screwdriver in order to turn the
selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw.
Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR
QACCE0008AW00
AQCCJ0003AW00
CD-C449W/K449W
CP-C449