JAMO DVR 50 Service Manual page 41

A
EM8500_IR_input
STB3V3
1
R211
Not Mounted
14 14
U48B U48A
3 4 1
J_FIP_IR
7 7
74AC04 74AC04
Watchdog Timer
J_FIP_CLKO
2
3
PIO_3
4
5
B
R212
4K7
2
STB3V3
U45
1 14
VDD VSS
2 13
RA5 RA0
3 12
RA4 RA1
4 11
MCLR RA2
5 10
RC5 RC0
STB3V3
6 9
RC4 RC1
7 8
RC3 RC2
R300 PIC16F630
1K Not Mounted
C300
0.1uF
R311
00
Z3
AMS1117 Adj
STB5V
C301
10uF/16V C2005 C2006
+
0.1uF 0.1uF
C D
STB3V3 STB3V3
R309 R310
10K 4K7
3
D40
Dual
STB3V3 STB3V3
R301
10K
3
D41
Dual
STB3V3
R302
10K
3
R304 D42
Dual
10K
STB3V3
R303
10K
3
R305 D43
Dual
10K
STB3V3
STB3V3
C255
10uF/16V
+
C256
R314
301
0.1uF
R315
510
Schematic diagram - MPEG board 16/16
E
PSU_STB
J49
1
2
3
4
Not Mounted
H DR1x4
Components having special characteristics or critical for safety are
Sigma Designs
identifi ed by mark and must be replaced with components
specifi ed by the manufacturer. 355 FairView Way
Milpitas CA 95035
Reference
designs
Title
Schematic diagram is subject to change without notice.
F
STB3V3
14
U48C
6 5
7
74AC04
14
U48D
8 9
7
74AC04
14
U48E
10 11
7
74AC04
14
U48F
12 13
7
74AC04
CONFIDENTIAL
DVD Receiver - EM8500
41