Amp Board - Philips HTS3367/12 Service Manual

8 - 1

AMP BOARD

TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 8-1
Circuit Diagram .................................................................................. 8-2
PCB Layout Top view ....................................................................... 8-3
PCB Layout Bottom View .................................................................. 8-4
INTERNAL IC DIAGRAM - STA309A
SA SCL
LRCKI
BICKI
SERIAL
SDI12
DATA
SDI34
IN
SDI56
SKI78
VARIABLE
CHANNEL
OVER-
MAPPING
SAMPLING
SYSTEM TIMING
PLL
PLLB
CKOUT
XTI
INTERNAL IC DIAGRAM - STA516B
IN1A 29 M3
IN1A
V 23
L
+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 21
DD
V 22
DD
V 33 REGULATORS
SS
V 34
SS
M17
C58 C53
100nF 100nF V SIGN
CC
35
C60
V SIGN
100nF
CC
36
M15
IN2A
IN2A 31
GND-Reg
20
GND-Clean
19 M16
IN2B
IN2B 32
GNDSUB M14
1
8 - 1
SDA MVO
2
I C
OVERSAMPING
DDX
SYSTEM
CONTROL
TREBLE
VOLUME
BASS EQ
LIMITING
(BIQUADS)
SERIAL
DATA
VARIABLE
OUT
POWER
DOWN-
DOWN
SAMPLING
PWDN EAPD
+V
V 1A
CC
15
C30
1µF 1000µF
L18 22µH
17
OUT1A
C20
16
100nF
OUT1A
C52
C99
14 GND1A 330pF R98
100nF
6
C23 8
12 V 1B 470nF
CC
R63 R100
C101
20 6
C31
100nF
11
1µF
C21
OUT1B
100nF
10
OUT1B L19 22µH
13 GND1B
7 V 2A
CC
C32
1µF
L113 22µH
8
OUT2A
C110
9
100nF
OUT2A
C109
C107
6 GND2A R103
330pF
100nF
6
C108 8
4 V 2B 470nF
CC
R104
R102
C106
20
C33 6
100nF
3 1µF
C111
OUT2B
100nF
2
OUT2B L112 22µH
5 GND2B
D00AU1148B
OUT1A/B
OUT2A/B
OUT3A/B
OUT4A/B
OUT5A/B
OUT6A/B
OUT7A/B
OUT8A/B
LRCKO
BICKO
SDO12
SDO34
SDO56
SDO78
CC
C55