Philips LX2000D, Service Manual

Page: 43 / 76

MAIN BOARD
TABLE OF CONTENTS
Internal IC Diagram ......................................................... 8-1
Circuit Diagram (Top Left) ............................................. 8-2
Circuit Diagram (Top Right).................. .......................... 8-3
Circuit Diagram (Bottom Left) ............. ........................... 8-4
Circuit Diagram ( Bottom Right) ...................................... 8-5
PCB Layout(Component View) ....................................... 8-6
PCB Layout(Copperside View) ........................................ 8-7
Electrical Parts list ........................................................... 8-8
8-1 8-1
6018/6028 INTERNAL IC DIAGRAM
TDA7265 INTERNAL IC DIAGRAM
Vibratto
ROM/Flash
8MB
SDRAM
EEPROM
DVD drive
ATAPI
Compact Flash
DCI TVM
UDE
VSTEM
VFD
Driver
5.1 Audio
DAC
S/PDIF Out
or DTS
TV
VFD Panel
Speakers or
A/V Receiver
Video
Audio
Audio
R3
IN (L)
C1
R2 C3
MUTE/
ST-BY
GND
IN (R)
C2
R7
R10
C8
C9
OUT (L)
OUT (R)
C6
C4
+V
S
3
5
7
9
6
11
2
4 +
+
-
-
RL (L)
RL (R)
+V
S
-V
S
R9
R5
IN- (L) 8
10 IN- (R)
1
SW1
R1
DZ
R4
SW2
C7
R8
R6
C5
Q1
ST-BY
MUTE
BINARY TO
1 OF 2
DECODER
WITH INHIBIT
LOGIC
LEVEL
CONVERSION
A
11
B
10
C
9
INH
6
8
V
SS
7
V
EE
16
cv cx
by bx ay ax
V
DD
3 5
2 1 13 12
14
15
4
IN/OUT
TG
TG
TG
TG
TG
TG
OUT/IN
ax OR ay
OUT/IN
bx OR by
OUT/IN
cx OR cy
TC4053 INTERNAL IC DIAGRAM