Philips HTS3551 Service Manual page 24

6 - 1
MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 6-1
Circuit Diagram .................................................................................. 6-2
PCB Layout Top View ....................................................................... 6-3
PCB Layout Bottom View .................................................................. 6-4
INTERNAL IC DIAGRAM - CS495313-CVZ
Serial Serial
Control 1 Control 2
12 Ch. Audio In/
6 Ch. SACO In
32-bit
DSP A
P X
S/PDIF S/PDIF
16 Ch PCM
Audio Out
INTERNAL IC DIAGRAM - TAS5508BPAG
Power Supply
MCLK
XTL_OUT
XTL_IN
0 7
D et Bl quads
PLL_FLTM
PLL_FLT P
0 7
O SC CA P
D et Bl quads
SCLK
LRCLK
0 7
D et Bl quads
SDIN1
D evic e
SDIN2 0 7
C ont rol D et Bl quads
SDIN3
SDIN4
0 7
D et Bl quads
12C
SDA
Ser ia l
0 7
C ont rol
D et Bl quads
SCL
I/F
0 7
D et Bl quads
RE SET
PDN
0 7
D et Bl quads
MUTE
H P_SEL
8
8
BKND_ERR
9
6 - 1
Paraliel
Debug
UART
GPIO
Control
STC
D
32-bit
TMR1
M
DSP B
A
TMR2
Y Y
P X
PLL
Ext Memory Controller
PWM Se cti on
Sof t Sof t Loud
DC D e
C om p DRC Em ph Int e rpol at e SRC N S PWM
Tone Vol
Blo ck
Sof t Sof t Loud DC D e
C om p DRC Em ph Int e rpol at e SRC N S PWM
Tone Vol Blo ck
Sof t Sof t Loud DC D e
C om p DRC
Em ph Int e rpol at e SRC N S PWM
Tone Vol Blo ck
Sof t Sof t Loud DC D e
C om p DRC Em ph Int e rpol at e SRC N S PWM
Tone Vol Blo ck
DC D e
Sof t Sof t Loud
C om p DRC Em ph Int e rpol at e SRC N S PWM
Blo ck
Tone Vol
DC D e
Sof t Sof t Loud
C om p DRC Em ph Int e rpol at e SRC N S PWM
Tone Vol Blo ck
Sof t Sof t Loud DC D e
Em ph Int e rpol at e SRC N S PWM
C om p DRC
Tone Vol Blo ck
DC D e
Sof t Sof t Loud
Em ph Int e rpol at e SRC N S PWM
C om p DRC
Blo ck
Tone Vol
8 8
4 8
2
2
Volu m e
C ont rol PS VC
PWM_M PP and MR
PWM_M PP and ML
PWM AP and AM1 L Fro nt
PWM AP and AM2 R Fro nt
PWM AP and AM3 L R ear
PWM AP and AM4 R R ear
PWM AP and AM 7 C ent er
PWM AP and AM8
Subwoof er
PWM AP and AM 5 L Surrou nd
PWM L Lin eout
PWM AP and AM 5 R Surrou nd
PWM R Lin eout
VALID
PS VS