Philips CEM5000/00, Service Manual

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TDA7419
6/30
T
D
Delay Time T1 0.48 1 ms
T2 0.96 2 ms
T3 70 123 170 ms
V
TH Low
Low Threshold for SM Pin 1 V
V
TH High
High Threshold for SM Pin 2.5 V
R
PU
Internal pull-up resistor 32 45 58 k
Ω
V
PU
Internal pull-up Voltage 3.3 V
BASS CONTROL
Fc Center Frequency f
C1
54 60 66 Hz
f
C2
72 80 88 Hz
f
C3
90 100 110 Hz
f
C4
180 200 220 Hz
Q
BASS
Quality Factor Q
1
0.9 1 1.1
Q
2
1.1 1.25 1.4
Q
3
1.3 1.5 1.7
Q
4
1.8 2 2.2
C
RANGE
Control Range
±
14 ±15 ±16 dB
A
STEP
Step Resolution 0.5 1 1.5 dB
DC
GAIN
Bass-DC-Gain DC = off -1 0 +1 dB
DC = on (shelving filter, use for
cut only) -4.4 dB
MIDDLE CONTROL
C
RANGE
Control Range
±
14
±
15
±
16 dB
A
STEP
Step Resolution 0.5 1 1.5 dB
f
c
Center Frequency f
C1
400 500 600 Hz
f
C2
0.8 1 1.2 kHz
f
C3
1.2 1.5 1.8 kHz
f
C4
2 2.5 3 kHz
Q
BASS
Quality Factor Q
1
0.45 0.5 0.55
Q
2
0.65 0.75 0.85
Q
3
0.9 1 1.1
Q
4
1.1 1.25 1.4
TREBLE CONTROL
C
RANGE
Clipping Level
±
14
±
15
±
16 dB
A
STEP
Step Resolution 0.5 1 1.5 dB
fc Center Frequency f
C1
8 10 12 kHz
f
C2
10 12.5 15 kHz
f
C3
12 15 18 kHz
f
C4
14 17.5 21 kHz
SPEAKER ATTENUATORS
G
MAX
Max Gain 14 15 16 dB
Table 6. Electrical Characteristcs (continued)
V
S
= 8.5V; T
amb
= 25°C; R
L
= 10k
Ω
; all gains = 0dB; f = 1kHz; unless otherwise specified
Symbol Parameter Test Condition Min. Typ. Max. Unit