Philips MX3550D/37S, Service Manual

Page: 41 / 63

MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ......................................................... 8-1
Circuit Diagram (Top Left) ............................................. 8-4
Circuit Diagram (Top Right).................. .......................... 8-5
Circuit Diagram (Bottom Left) ............. ........................... 8-6
Circuit Diagram ( Bottom Right) ...................................... 8-7
PCB Layout(Component View) ....................................... 8-8
PCB Layout(Copperside View) ........................................ 8-9
Electrical Parts list ......................................................... 8-10
8-1
8-1
6018/6028 INTERNAL IC DIAGRAM
Input/Output
Buffers
X-Decoder
Y-Decoder
Chip Enable
Output Enable
Logic
Erase Voltage
Generator
PGM Voltage
Generator
Timer
V
CC
Detector
State
Control
Command
Register
V
CC
V
SS
WE#
CE#
OE#
STB
STB
DQ0 ñDQ7
Sector Switches
RY/BY#
RESET#
Data
Latch
Y-Gating
Cell Matrix
Ad
d
res
s L
atch
A0ñA19
AM29F080B INTERNAL IC DIAGRAM
STA304A INTERNAL IC DIAGRAM
DSP SRC
I2S
AC`97
S/PDIF
DDX
I2S
PLL
I2C
RESET
LRCKI / SYNC
SDI_1/ SDATA_OUT
SDI_2/ SDATA_IN
RXP
RXN
BICKI / BIT_CL
SDO_1
SDO_2
SDO_3
LRCKO
BICKO
XTI XTO
LEFT_A
LEFT_B
RIGHT_A
RIGHT_B
SLEFT_A
SLEFT_B
SRIGHT_A
SRIGHT_B
LFE_A
LFE_B
SCL SDA SA
RAM
ROM
CKOUT
18
1
2
3
4
19
11 10 9
7
14 15 43
43
43
43
43
43
22
21
24
23
34
33
28
27
30
29
PowerDown
44
35 EAPD
PWDN