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H-LCD2000Service Manual
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16,15,14
13,1
2,11
10
TDA
190
5
The TDA1905 is a monolithic integrated circuit in POWERDIP package, intended for use as
low f
requen
cy power
amplifier in a wide
Features
Mut
ing facility
Prot
ection again
st ch
Very
low noise
High
supply voltage rejection
Low
"switch-on"
Volt
age range 4V to 30V
Pin's
Fu
nction
Pin
Pin's
Name
1
OUTPUT
2
VS
3
BOOTSTRAP
4
THRESHOLD
5
MUTING
6
INVER
7
SVR
8
INPUT
9～16
GND
CAPL_A
SC1_OUT_L
SC1_OUT_R
VREF1
SC2_OUT_L
SC2_OUT_R
DACM_SUB
DACM_L
DACM_R
VREF2
DACA_L
DACA_R
RESETQ
I2S_DA_IN2
DVSS
DVSUP
ADR_CL
range of applications in
ip over temperature
noise
Function
Audio output
Power supply
Increase of the distortion at low frequency.
Noise reduction
Mute controller
T.IN
Invert input
Supply voltage rejection
Sync. Input
Ground
57
Volume capacitor AUX
SCART ou
tput
1, left
SCART ou
tput
1, right
Reference
gro
und 1
SCART ou
tput 2
SCART outp ut 2, right
Subwoofer output
Loudspeak
er o
ut, left
Loudspeak
er o
ut, right
Reference
gro
und
Headphone
ou
t, left
Headphone
out
Power-on-reset
I
S2-data in put
2
Digital ground
Digital pow
er s
upply 5 V
ADR clock
rad
io and TV sets.
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