Service manual
21
32JW-73E
ICs ADDITIONAL INFORMATION
TDA9886 (IC201)
5 QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
P
supply voltage notes 1 and 2 4.5 5.0 5.5 V
I
P
supply current 52 63 70 mA
Video part
V
i(VIF)(rms)
VIF input voltage sensitivity
(RMS value)
−1 dB video at output − 60 100 µV
G
VIF(cr)
VIF gain control range see Fig.7 60 66 − dB
f
VIF
vision carrier operating frequencies see Table 14 − 33.4 − MHz
− 33.9 − MHz
− 38.0 − MHz
− 38.9 − MHz
− 45.75 − MHz
− 58.75 − MHz
∆f
VIF
VIF frequency window of digital
acquisition help
related to f
VIF
; see Fig.10 −±2.3 − MHz
V
o(video)(p-p)
video signal output voltage
(peak-to-peak value)
see Fig.5
normal mode 1.7 2.0 2.3 V
trap bypass mode 0.95 1.10 1.25 V
G
dif
differential gain
“CCIR 330”
; note 3
B/G standard −−5%
L standard −−7%
ϕ
dif
differential phase
“CCIR 330”
− 2 4 deg
B
video(−1dB)
−1 dB video bandwidth trap bypass mode; AC load;
C
L
< 20 pF; R
L
>1kΩ
56− MHz
B
video(−3dB)(trap)
−3 dB video bandwidth including
sound carrier trap
note 4
f
trap
= 4.5 MHz 3.95 4.05 − MHz
f
trap
= 5.5 MHz 4.90 5.00 − MHz
f
trap
= 6.0 MHz 5.40 5.50 − MHz
f
trap
= 6.5 MHz 5.50 5.95 − MHz
α
SC1
trap attenuation at first sound
carrier
M/N standard 30 36 − dB
B/G standard 30 36 − dB
S/N
W(video)
weighted signal-to-noise ratio of
video signal
see Fig.11; note 5 56 59 − dB
PSRR
CVBS
power supply ripple rejection at
pin CVBS
f
ripple
= 70 Hz; see Fig.6;
note 6
20 25 − dB
AFC
stps
AFC control steepness definition: ∆I
AFC
/∆f
VIF
0.85 1.05 1.25 µA/kHz
Audio part
V
o(AF)(rms)
AF output voltage (RMS value) 27 kHz FM deviation;
50 µs de-emphasis
430 540 650 mV
THD total harmonic distortion of audio
signal
FM: 27 kHz FM deviation;
50 µs de-emphasis
− 0.15 0.50 %
AM: m = 54% − 0.5 1.0 %