Philips HTS3355, Руководство по обслуживанию

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8 - 1 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
INTERNAL IC DIAGRAM - STA516B
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
L18 22µH
L19 22µH
C30
1µF
C20
100nF
C99
100nF
C101
100nF
C107
100nF
C106
100nF
C23
470nF
C55
1000µF
C21
100nF
C58
100nF
C58
100nF
R57
10K R59
10K
R63
20
R98
6
R100
6
C53
100nF
C60
100nF
C31
1µF
C52
330pF
R104
20
C109
330pF
15
M3
IN1A
IN1A
V
L
CONFIG
PWRDN PWRDN
FAULT
TRI-STATE
TH_WAR
TH_WAR
+3.3V
IN1B
V
DD
V
DD
V
SS
V
SS
V
CC
SIGN
V
CC
SIGN
GND-Reg
GND-Clean
IN2A
IN1B
IN2A
IN2B
PROTECTIONS
&
LOGIC
REGULATORS
29
23
24
25
27
26
28
30
21
22
33
34
35
36
M2
M5
M4
17
16
OUT1A
GND1A
OUT1A
V
CC
1A
14
12
10
11
OUT1B
GND1B
OUT1B
V
CC
1B
13
L113 22µH
L112 22µH
C32
1µF
+V
CC
C108
470nF
C33
1µF
7
M17
M15
M16
M14
8
9
OUT2A
GND2A
OUT2A
V
CC
2A
6
4
2
3
OUT2B
GND2B
D00AU1148B
OUT2B
V
CC
2B
5
19
31
20
GNDSUB
1
IN2B 32
C110
100nF
C111
100nF
R103
6
R102
6
8
8