PHILIPS AZ726811
Service Manual

1-1

TECHNICAL SPECIFICATION
General Dimensions (WxHxD) Weight without batteries : 134x30.5x154mm : 250g Headphone out (load impedance 16�, except crosstalk) Output power : 2x10mW ±2dB Frequency response (max vol.) : 20Hz-20kHz within 8dB S/N ratio (unw.) : >80dB (83dB typ.) S/N ratio (A-wght) : >82dB (85dB typ.) THD+N (1kHz, 1mW) : <0.3% (0.05% typ.) Channel crosstalk (1kHz, no load) : <-40dB Channel unbalance (-40dB) : <5dB Volume attenuation (1kHz) : >70dB

Power supply modes DC-in socket Battery 2xLR6 Accu-pack AY3361 (NiCd) : 4.5-5.5V : 1.8-3.6V : 1.8-3.6V

CD out (not on all versions) Battery lifetime Battery 2xLR6 Accu-pack AY3361 (NiCd) : 6hrs typ. : 3hrs typ. Output level (1kHz, 0dB) Frequency response S/N ratio (unw.) S/N ratio (A-wght) THD+N (1kHz, 0dB) THD+N (10kHz, -20dB) Channel crosstalk (1kHz) Channel crosstalk (10kHz) Channel unbalance (1kHz, 0dB) Dynamic range (1kHz, -60dB) : 900mV ±2dB : 20Hz-20kHz within 6dB : >80dB (83dB typ.) : >85dB (88dB typ.) : <0.2% (0.05% typ.) : 0.5% typ. : <-45dB (-50dB typ.) : -40dB typ. : <1dB (0.5dB typ.) : 90dB typ.

Battery empty detection Battery weak level Battery empty level : 2.0V nom. ±200mV : 1.8V nom. ±100mV

Charge circuit Laser Charge current Charge time for 80% Max. charge time Temperature protection : 200mA nom. ±10% : 3.5hrs nom. : 7hrs nom. : 60°C ±5°C Output power Wavelength : <5mW (3mW typ.) : 780nm

CD
Measurement setup SBC429 Use Audio Signal Disc
4822 397 30184 (replaces test disc 3) Use Audio Signal disc SBC429 DUT
L R

Current consumption (DC-in=4.5V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 210mA typ. : 485mA typ. : 150mA typ.

4822 397 30184

Current consumption (Batt. supply=2.25V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 270mA typ. : 460mA typ. : 50µA typ.

e.g. Sound Technology ST1700B

S/N and distortion meter

Shock resistance +X/-X direction +Y/-Y direction +Z/-Z direction : >4G : >4G : >3G
e.g. Sennheiser UPM550 with FF-filter

LEVEL METER

Shock resistance by use of car base +X/-X direction +Y/-Y direction +Z/-Z direction : >6G : >6G : >6G

CS 46 159