Internal Ic Diagram - Philips MX3550D/37S Service Manual

STA505 AUDIO APPLICATION CIRCUIT
IN1A 29 M3
IN1A
IBIAS 23
+3.3V
CONFIG 24
PWRDN PWRDN 25 M2
PROTECTIONS
R57 R59 FAULT 27
&
10K 10K
LOGIC
26
TRI-STATE
C58
M5
100nF
TH_WAR 28
TH_WAR
IN1B 30
IN1B
M4
V DD 21
V DD 22
V SS 33 REGULATORS
V SS 34
M17
C58 C53
SIGN
V CC
100nF 100nF
35
C60
SIGN
100nF V CC
36
M15
IN2A
IN2A 31
GND-Reg
20
GND-Clean
19 M16
IN2B
IN2B 32
GNDSUB M14
1
8-2
1A
V CC
15
C30
1 F
L18 22 H
17
OUT1A
C20
16
100nF
OUT1A
C52
C99
14 GND1A R98
330pF
100nF
6
C23
1B
12 V CC
470nF
R63 R100
C101
20 6
C31
100nF
11 1 F
C21
OUT1B
100nF
10
OUT1B L19 22 H
13 GND1B
2A
7 V CC
C32
1 F
L113 22 H
8
OUT2A
C110
9
100nF
OUT2A
C109
C107
6 GND2A R103
330pF
100nF
6
C108
2B
4 V CC
470nF
R104
R102
C106
20
6
C33
100nF
3 1 F
C111
OUT2B
100nF
2
OUT2B L112 22 H
5 GND2B
TLV320A INTERNAL IC DIAGRAM
+V CC AVDD
50 k
C55
1000F VMID
50 k
AGND
MICBIAS
12 to –34.5 dB,
1.5 dB Steps
RLINEIN
10 k
MICIN
VMID
LLINEIN
12 to –34 dB,
1.5 dB Steps
HPVDD
Headphone
HPGND Driver
RHPOUT
ROUT
LOUT
LHPOUT
Headphone
Driver
XTI/MCLK
XTO
CLKOUT
8-2
VADC
1.0X
DSPcodec
VDAC
TLV320AIC23
1.0X
VMID
1.0X
Control
1.5X Interface
Line 2:1
–
Mute MUX
ADC
Bypass
Mute,
50 k
Mute
0 dB, 20 dB
VADC
Line 2:1
–
MUX
Mute ADC
Digital
Filters
Side Tone
Mute
6 to –73 dB,
Bypass
1 dB Steps
Mute
–
DAC
VDAC
–
DAC
6 to –73 dB,
1 dB Steps
CLKIN
Divider
(1x, 1/2x)
CLKOUT
Digital
OSC
Divider
Audio
(1x, 1/2x)
Interface
.
CS
SDIN
SCLK
MODE
DVDD
BVDD
DGND
LRCIN
DIN
LRCOUT
DOUT
BCLK