Philips 4500 Series Service Manual page 25

8.2 Diagram 10-4-6 Audio Amp/Headphone Output
Block diagram
DVDD AVDD
TAS5729MDD
MCLK
Serial
SCLK
Audio
LRCLK
Port
SDIN
DR_INA
DR_INB
Pinning information
ANA_REG1 ANA_REG2 DIG_REG
Analog Supply
Regulators
Digital Supply Regulator
Digital Audio Processor
Digital Equalizer, Two-Band
AGL, Coarse/Fine Volume
Control, THD Manager, PWM
Level Meter
Stereo HP / Line Driver
DRVDD
DR_INx
DR_OUTx
DRVSS
PGND
SPK_OUTA
BSTRPA
PVDD
TEST1
TEST2
DR_INA
DR_OUTA
DR_OUTB
DR_INB
DRVSS
DR_CN
DR_CP
DRVDD
PLL_GND
PLL_FLTM
PLL_FLTP
ANA_REG1
AVDD
ADR / SPK_FAULT
MCLK
OSC_RES
OSC_GND
DIG_REG
Figure 8-2 Internal block diagram and pin configuration
IC Data Sheets
B06, TAS5729MDDCAR (IC U601)
DRVDD DR_CN DR_CP DRVSS
Charge Pump
PWM Power Stage
Gate
Open Loop
Drives
Digital PWM
Gate
Modulator
Drives
Clock
Monitoring
Internal Control Registers and State Machines
ADR / SPK_FAULT
1
2
3
4
5
6
7
8
9
10
11
TAS5729MDD
12
13
14
15
16
17
18
Thermal Pad
19
20
21
22
23
24
back to
div.table
TPS15.2A LA 8.
PVDD GVDD_REG
Gate Drive
Regulator
Full Bridge
Power
Stage A
Over-
Current
Protection
Full Bridge
Power
Stage B
Die Temp. Monitor
SCL SDA
DR_SDI PDN RST
48 SPK_OUTB
47 BSTRPB
46 BSTRPC
45 SPK_OUTC
PGND
44
43 SPK_OUTD
42 BSTRPD
41 PVDD
40 GVDD_REG
DR_SDI
39
38 SSTIMER
37 ANA_REG2
36 AGND
DGND
35
DVDD
34
TEST3
33
32 RST
NC
31
SCL
30
SDA
29
SDIN
28
SCLK
27
LRCLK
26
25
PDN
EN 25
SPK_OUTA
SPK_OUTB
SPK_OUTC
SPK_OUTD
DR_OUTA
DR_OUTB
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2015-May-01