Reset; Panel Cn; 1.8V Regulator; 3.3V Regulator - JAMO DVR 50 Service Manual

A

Reset

Vcc3V3
1
R72 10K
D12
3
Dual
R71 10K
R73
1K
J14
1
2
HD R1x2
2

Panel cn

DF3-6P-2H(20) HIROSE
J40
1
1
T71
2
1
T72
3
1
T73
4
1
T74
3
8 5
7 1
T75
6 1
T76
Conn-RJ-06
Power Input
DF3-10P-2H(20) HIROSE
J41
1
4
1
T77
2
3
1
T78
4
5
1
T79
6
11 7
12 1
T80
8
9
10
1
T81
5 Conn-RJ-10
1
T82
B
R70 47K
U11B U11D
R46 22
14 14
3 4 9 8
7 7
74HC04 74HC04
U11C
R47 22
14
5 6
7
74HC04
U11E
14
11 10
PIO_9
7
74HC04
R11 1K5
L48
BEAD
C120 22pF
L26
BEAD
C121 22pF
L28
BEAD
C122 22pF
L27
BEAD
C123 22pF
L29
BEAD
C124 22pF
Vcc5V STB5V Vcc12V
L24
BEAD
L21
C55 100pF Not Mounted
L47
BEAD
C64 100pF
L46
BEAD
C51 100pF
L23
BEAD
C66 100pF
L22
PSU_STB
BEAD
C50 100pF C176 100pF
C D

1.8V Regulator

Z1
AMS1117 Adj
Vcc5V
RESET#
C2000 C2001
0.1uF 0.1uF
IDE_RESET#

3.3V Regulator

Z2
J_FIP_DIN
AMS1117 Adj
J_FIP_IR
Vcc5V
J_FIP_FSTB
J_FIP_CLKO
C2003 C2004
J_FIP_DATA
0.1uF 0.1uF
-12V
Vcc3V3 STB5V Vcc5V Vcc12V -12V
PSU_STB
Schematic diagram - MPEG board 2/16
E
Vcc1V8
R195 301
R196 130
Vcc3V3
R197 301
R198 510
Sigma Designs
355 FairView Way
Milpitas CA 95035
Components having special characteristics or critical for safety are
Reference
identifi ed by mark and must be replaced with components
designs
Title
specifi ed by the manufacturer.
Reset / Fip / Power
Size Document Number
B
Schematic diagram is subject to change without notice.
F
Vcc3V3
U11F
14
13 12
7
74HC04
U11A
14
1 2
7
74HC04
CONFIDENT
DVD Receiver - EM850
23-000703-01
27