Read Sharp LC-19D1EWH (serv.man6) Service Manual online
LC-19D1E/S-BK/WH
5 – 6
2.3. IC303 (VHiBD5426MU-1Y)
2.3.1 Block Diagram
2.3.2 Pin Connections and short description
STERO-POWER-AMP.
4
NC
-
No Connction
5
VOUT
O
Voltage Output pin with ON/OFF control. (150mA)
Pin No.
Pin Name
I/O
Pin Function
1
BSP2P
I
ch2 The plus side boost strap terminal 2P (Lch+)
2
VCCA
-
Analog system power supply terminal
3
FILP
I
PWM system bias terminal
4
FILA
I
Analog system bias terminal
5
GNDA
-
Analog signal system ground terminal
6
IN2
I
ch2 analog-signal input terminal (Lch+)
7
IN1
I
ch1 analog-signal input terminal (Rch+)
8
PLMT1
I
The voltage and the current conversion terminal 1 for an output power- limitation function
9
PLMT2
I
The voltage and the current conversion terminal 2 for an output power- limitation function
10
PLMT3
I
The voltage and the current conversion terminal 3 for an output power- limitation function
11
PLMT4
I
The voltage and the current conversion terminal 4 for an output power- limitation function
12
BSP1P
I
ch1 The plus side boost strap terminal 1P (Rch+)
13
N.C.
-
No connection
14
VCCP1P
-
ch1 Power supply terminal of the plus side power amplifier output (Rch+)
15
VCCP1P
-
ch1 Power supply terminal of the plus side power amplifier output (Rch+)
16
OUT1P
O
ch1 Plus side PWM signal output terminal (Rch+)
17
OUT1P
O
ch1 Plus side PWM signal output terminal (Rch+)
18
GNDP1
-
ch1 Ground terminal of a power amplifier output (Rch)
19
GNDP1
-
ch1 Ground terminal of a power amplifier output (Rch)
20
OUT1N
O
ch1 Minus side PWM signal output terminal (Rch-)
21
OUT1N
O
ch1 Minus side PWM signal output terminal (Rch-)
22
VCCP1N
-
ch1 Power supply terminal of the minus side power amplifier output (Rch-)
Pin
No.
No.
Pin Name
I/O
Pin Function
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