Philips HTS3181/55, Service Manual

Page: 21 / 52

AMPLIF IER BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 6-1
Sch ematic Diagram (part one) ......................................................... 6-2
Top View ........................................................................................... 6-5
Bottom View ...................................................................................... 6-6
LRCKI
BICKI
SDI12
SDI34
SDI56
SKI78
I C
2
SA SCL SDA MVO
SYSTEM
CONTROL
CHANNEL
MAPPING
SERIAL
DATA
IN
XTI
PLL
PLLB
CKOUT
SYSTEM TIMING
VARIABLE
OVER-
SAMPLING TREBLE
BASS EQ
(BIQUADS)
VOLUME
LIMITING
OVERSAMPING
POWER
DOWN
PWDN EAPD
VARIABLE
DOWN-
SAMPLING
DDX
OUT1A/B
OUT2A/B
OUT3A/B
OUT4A/B
OUT5A/B
OUT6A/B
OUT7A/B
OUT8A/B
LRCKO
BICKO
SDO12
SDO56
SDO34
SDO78
SERIAL
DATA
OUT
INTERNAL IC DIAGRAM - STA309A
Sch ematic Diagram (part two)
Sch ematic Diagram (part th ree)
......................................................... 6-3
....................................................... 6-4
6 - 1
6 - 1