Philips HTS3274/51, Руководство по обслуживанию

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6 - 1 6 - 1
MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 6-1
Circuit Diagram(part one) .................................................................. 6-2
Circuit Diagram(part two) ................................................................... 6-3
Circuit Diagram(part three) ................................................................ 6-4
PCB Layout Top View ....................................................................... 6-5
PCB Layout Bottom View .................................................................. 6-6
INTERNAL IC DIAGRAM - TAS5508B
INTERNAL IC DIAGRAM - HY57V641620F
State Machine
CLK
CKE
U/LDQM
WE
CAS
RAS
CS
Row Active
Refresh
Column Active
Self refresh
logic & timer
Internal Row
Counter
Row
Pre
Decoder
1Mx16 BANK 3
1Mx16 BANK 2
1Mx16 BANK 1
1Mx16 BANK 0
X-Decod
er
X-Decod
er
X-Decod
er
X-Decod
er
Memory
Cell
Array
Y-Decoder
Sen
se
AM
P
&
I/
O G
at
e
I/
O
Buf
fe
r &
Log
ic
DQ0
DQ15
Column
Pre
Decoder
Bank Select
Column Add
Counter
A0
A1
A11
BA1
BA0
Address Buf
fers
Address
Register
Mode Register
Burst
Counter
CAS Latency
Data Out Control
Pipe Line
Control
Power Supply
VR_
PLL
AVDD_
PLL
AV
SS
_
PLL
AVDD_REF
VBGA
P
VRA_
PLL
VRD_
PLL
DVDD DVSS AVDD
AV
SS
MCLK
XTL_OUT
XTL_IN
PLL_FLTM
PLL_FLTP
OSC CAP
SCLK
LRCLK
SDIN1
SDIN2
SDIN3
SDIN4
SDA
SCL
RESET
PDN
MUTE
HP_SEL
BKND_ERR
12C
Serial
Control
I/F
C
lo
ck,
P
LL,
and
Ser
ial
Date
I/F
Device
Control
Sy
ste
m
C
o
nt
rol
DA
P
C
o
nt
rol
P
WM
C
o
nt
rol
8x8
C
ro
ssber
Mix
er
8x2
C
ro
ssber
Mix
er
8 8 4
8
8 8
2
2
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vol
Loud
Comp DRC
9
Volume
Control
DC
Block
De
Emph Interpolate SRC NS PWM
DC
Block
De
Emph Interpolate SRC NS PWM
DC
Block
De
Emph Interpolate SRC NS PWM
DC
Block
De
Emph Interpolate SRC NS PWM
DC
Block
De
Emph Interpolate SRC NS PWM
DC
Block
De
Emph Interpolate SRC NS PWM
DC
Block
De
Emph Interpolate SRC NS PWM
DC
Block
De
Emph Interpolate SRC NS PWM
PWM Section
PSVC
Ou
tpu
t C
o
nt
rol
PWM_MPP and MR
PWM_MPP and ML
PWM AP and AM2 R Front
PWM AP and AM1 L Front
PWM AP and AM3 L Rear
PWM AP and AM4 R Rear
PWM AP and AM7 Center
PWM AP and AM8
Subwoofer
PWM AP and AM5 L Surround
PWM L Lineout
PWM AP and AM5 R Surround
PWM R Lineout
VALID
PSVS