Philips 32PFL4007D/78 Service Manual page 31

8.2 Diagram 10-3-9 Audio Amplifier/Headphone/Subwoofer
Block diagram
Pinning information
STA381BW
2.1 Channel
MCLK
Audio Processor
TM
STAudioFx
LRCKI
STSpeakerSafe TM
Parametric EQ
BICKI
Volume
SDI
Bass and Treble
Speaker Compensation
Stereo Widening
LINEINL
LINEINR
TESTMODE
PWDN
Control logic
INTLINE
RESET
Protections
SA
IIC
SDA
SCL
PLL
VCC_REG 1
VSS_REG
2
OUT2B 3
GND2 4
VCC2 5
OUT2A 6
STA381BW
OUT1B 7
VCC1 8
GND1 9
OUT1A 10
VDD_REG 11
GND_REG 12
Figure 8-2 Internal block diagram and pin configuration
back to
div. table
IC Data Sheets TPM9.2L LA
B09, STA381BWTR (IC U603)
OUT 1A
4
OUT 1B
Half
OUT 2A
Bridges
TM
FFX
OUT 2B
Modulator
FFX3A
FFX3B
Binary
FFX4A
Ternary
FFX4B
F3XL
F3XR
LINEHPOUT_L
LINEHPOUT_R
Headph one
SOFT_MUTE
(2Vrms)
&
CPVSS
-3.3V
Negative
Charge
Pump
CPP
CPM
36
35
34
33
32
31
30
29
28
27
26
25
8. EN 31
MCLK
AGNDPLL
VREGFILT
TWARNEXT/FFX4B
EAPD/FFX4A
FFX3B
FFX3A
GNDDIG1
VDDDIG1
VDD3V3CHP
CPP
GNDPSUB
19240_300_120221.eps
2012-Mar-30
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