Philips AZ 7383, Руководство по обслуживанию

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1-1
CS 46 456
TECHNICAL SPECIFICATION
General
Dimensions (WxHxD) : 128x27.1x136.5mm
Weight without batteries : 225g
Power supply modes
DC-in socket : 4.5-5.5V
Primary batteries (2xLR6) : 1.55-3.6V
Rechargable batteries : 1.55-3.6V
Battery lifetime
Battery empty detection
Battery weak level : 2.1V nom. ±150mV
Battery empty level : 1.6V nom. +100/-50mV
Charge circuit
Charge current : 320mA nom. ±20%
Charge time for 80% AY3360 : 3.75hrs nom.
Charge time for 80% AY3361 : 2.0hrs nom.
Max. charge time (µP controlled) : 5.5hrs nom.
Temperature protection
: 50°C ±5°C
Current consumption (DC-in=4.5V, excl. illumination)
Current consumption (Batt. supply=2.25V, excl. illumin.)
Shock resistance (ESA off)
+X/-X direction :
≥
2.5g
+Y/-Y direction :
≥
2.5g
+Z/-Z direction :
≥
2.0g
Shock resistance by use of car base (ESA off)
+X/-X direction :
≥
6g
+Y/-Y direction :
≥
6g
+Z/-Z direction :
≥
6g
Headphone out (measured with 16
Ω
load, ESA & DBB off)
Output power (THD=10%) : 2x12mW (+1/-3dB)
Frequency response (1mW) : 100Hz-20kHz within 6dB
S/N ratio (unwght) : >80dB (83dB typ.)
S/N ratio (A-wght) : >82dB (85dB typ.)
THD+N (1kHz, 1mW) : <1% (0.2% typ.)
Channel crosstalk (1kHz, no load) : <-24dB (-44dB typ.)
Channel unbalance (-40dB)
: <5dB
Volume attenuation (1kHz) : >60dB
CD-out (not on all versions, load impedance 47k
Ω
)
Output level (1kHz, 0dB) : 750Vrms ±2dB
Frequency response : 20Hz-20kHz within 2dB
S/N ratio (unwght) : >85dB (90dB typ.)
S/N ratio (A-wght) : >88dB (95dB typ.)
THD+N (1kHz, 0dB) : <0.2% (0.05% typ.)
Channel crosstalk (1kHz) : <-60dB (-70dB typ.)
Channel crosstalk (10kHz) : <-40dB (-50dB typ.)
Channel unbalance (1kHz, 0dB) : <1dB
Optical output (not on all versions)
Connection : 3.5mm optical fiber jack
Specification according to IEC958 (high accuracy mode).
Laser
Output power : <5mW (3mW typ.)
Wavelength : 780nm
Measurement setup
Use Audio Signal disc SBC429 4822 397 30184
L
R
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
S/N and distortion meter
e.g. Sound Technology ST1700B
N O I T A R E P O N O I T A R E P O N O I T A R E P O N O I T A R E P O N O I T A R E P O F F O A S E F F O A S E F F O A S E F F O A S E F F O A S E N O M S P N O M S P N O M S P N O M S P N O M S P N O A S E N O A S E N O A S E N O A S E N O A S E
e d o m - y a l P . p y t A m 5 4 1 . p y t A m 7 2 1 . p y t A m 5 4 1
e d o m - p m u J . p y t A m 0 5 4 . p y t A m 0 5 4 . p y t A m 0 5 4
y b - d n a t S
) e g r a h c e r . l c x e (
. p y t A m 4 . 0
N O I T A R E P O N O I T A R E P O N O I T A R E P O N O I T A R E P O N O I T A R E P O F F O A S E F F O A S E F F O A S E F F O A S E F F O A S E N O M S P N O M S P N O M S P N O M S P N O M S P N O A S E N O A S E N O A S E N O A S E N O A S E
e d o m - y a l P . p y t A m 5 2 1 . p y t A m 0 0 1 . p y t A m 0 3 1
e d o m - p m u J . p y t A m 0 5 4 . p y t A m 0 5 4 . p y t A m 0 5 4
y b - d n a t S
) e g r a h c e r . l c x e (
. p y t A m 5 1
E P Y T Y R E T T A B E P Y T Y R E T T A B E P Y T Y R E T T A B E P Y T Y R E T T A B E P Y T Y R E T T A B F F O A S E F F O A S E F F O A S E F F O A S E F F O A S E N O M S P N O M S P N O M S P N O M S P N O M S P N O A S E N O A S E N O A S E N O A S E N O A S E
s e i r e t t a b y r a m i r P
) 6 R L x 2 (
. p y t s r h 5 1 . p y t s r h 8 1 . p y t s r h 5 1
0 6 3 3 Y A k c a p - u c c A
) h A m 0 0 2 1 , H M i N (
. p y t s r h 5 . 8 . p y t s r h 5 . 9 . p y t s r h 5 . 8
1 6 3 3 Y A k c a p - u c c A
) h A m 0 0 7 , d C i N (
. p y t s r h 5 . p y t s r h 5 . 5 . p y t s r h 5