Philips HTS3371/94, Service Manual

Page: 19 / 35

6 - 6 -
MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................................... 6-
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
Power Supply
VR_PLL
AVDD_PLL AVSS_PLL
A
VDD_REF
VBGA
P
VRA_PLL
VRD_PLL
DVDD DVSS AVDD AVSS
MCLK
XTL_OUT
XTL_IN
PLL_FLTM
PLL_FLT P
OSC CA P
SCLK
LRCLK
SDIN1
SDIN2
SDIN3
SDIN4
SDA
SCL
RESET
PDN
MUTE
HP_SEL
BKND_ERR
12C
Serial
Control
I/F
Clock, PLL, and Serial Date I/F
Device
Control
System Control
DAP Control
PWM Control
8x8 Crossber Mixer 8x2 Crossber Mixer
8
8 4 8
8 8
2
2
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
0
Det
7
Blquads
Soft
Tone
Soft
Vo l
Loud
Com p DRC
9
Volume
Control
DC
Block
De
Emph InterpolateSR C NS PW M
DC
Block
De
Emph InterpolateSR C NS PW M
DC
Block
De
Emph InterpolateSR C NS PW M
DC
Block
De
Emph InterpolateSR C NS PW M
DC
Block
De
Emph InterpolateSR C NS PW M
DC
Block
De
Emph InterpolateSR C NS PW M
DC
Block
De
Emph InterpolateSR C NS PW M
DC
Block
De
Emph InterpolateSR C NS PW M
PWM Section
PSVC
Output Control
PWM_MPP and M R
PWM_MPP and M L
PWM AP and AM2 R Front
PWM AP and AM1 L Front
PWM AP and AM3 L Rea r
PWM AP and AM4 R Rea r
PWM AP and AM7 Center
PWM AP and AM8
Subwoofe r
PWM AP and AM5 L Surround
PWM L Lineou t
PWM AP and AM5 R Surround
PWM R Lineou t
VALID
PSV S
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
Sense
AMP
& I/
O G
ate
I/O
Buf
fer
& Logi
c
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