JAMO DVR 50, Service Manual

Page: 29 / 63

Components having special characteristics or critical for safety are
identifi ed by mark and must be replaced with components
specifi ed by the manufacturer.
Schematic diagram is subject to change without notice.
1
2
3
4
5
A B C D E F
29
Schematic diagram - MPEG board 4/16
V_PLL_1V8
XIN XOUT
CLK_OUT
JTAG_TCK
Vcc1V8
Vcc3V3
Vcc1V8
Vcc1V8
Vcc3V3
V_DAC_3V3
Vcc3V3
V_DAC_3V3 Vcc3V3
Vcc5V
RESET#
Title
Size Document Number
D t Sh t f
Sigma Designs
355 FairView Way
Milpitas CA 95035
Reference
designs
23-000703-01
EM8500 Power and decoupling
B
4 16 T d J l 15 2003
DVD Receiver - EM8500
CONFIDENT
GND
VGND
VGND
Use 200ohm if
single terminated
C17 0.1uF
C4
1
1
0
uF/16V
C4
3
0.1
u
F
C4
2
0.1
u
F
C4
4
0.1
u
F
C4
5
0.1
u
F
C3
6
0.1
u
F
C2
7
1
0
uF/16V
C3
8
1
0
uF/16V
C3
9
1
0
uF/16V
C4
0
1
0
uF/16V
C1
0
3
0.1uF
C2
4
0.1
u
F
C5
2
0.1
u
F
X1
27MHz
1 2
C5
3
0.1
u
F
C1
3
0.1
u
F
R1 1M
1 2
C1
0
.1
u
F
1
2
C3
1
0.1
u
F
C6
27pF
1
2
L1
BEAD
1 2
C5
27pF
1
2
R9 82
C1
6
1
0
uF/16V
C5
6
0.1
u
F
C1
2
0.1
u
F
C5
7
0.1
u
F
PLLs
OSC.
VIDEO
DACs
U 1C
EM8500
AVDD_D_33
G4
AVDD_C_33
H5
AVVD_Y_33
H2
AVDD_U_33
G2
AVDD_V_33
F1
RSET
F3
VREF
F2
AVSS_D
E1
CVBS_VSS
J2
YB
H4
UB
H1
VB
G3
VCC_3V3
L1
VSS
K4
RESET#
Y8
PLL_ENABLE
A13
XOUT
A11
XIN
B11
CLK_OUT
B13
TCK
B8
CLK32K
W10
TDO
B7
NTRST
B5
TDI
B6
TMS
A5
SCAN_MODE
Y9
GND
E14
GND
F14
GND
R15
GND
P15
GND
E11
GND
J11
GND
J12
GND
K11
GND
K12
GND
L11
GND
L12
GND
M11
GND
M12
GND
J9
GND
J10
GND
K9
GND
K10
GND
L9
GND
L10
GND
M9
GND
M10
GND
F7
GND
T8
GND
U8
GND
V7
3V3
E12
3V3
E13
3V3
T12
3V3
T13
3V3
T10
3V3
T9
3V3
U9
3V3
U10
3V3
E6
3V3
E7
3V3
E8
3V3
U7
3V3
T7
1V8
K16
1V8
M16
1V8
L16
1V8
D11
1V8
T11
1V8
U11
1V8
V11
1V8
W11
1V8
C9
1V8
C10
1V8
D10
1V8
E9
1V8
E10
1V8
V10
AVDD_P1_18
D12
AVDD_P2_18
A12
AVSS_P1
B12
AVSS_P2
C12
GND
W7
C5
8
0.1
u
F
C6
0
0.1
u
F
C6
1
0.1
u
F
C6
2
0.1
u
F
C1
8
4
7
uF/16V
C3
2
0.1
u
F
C1
4
0.1
u
F
L4
BEAD
1 2
C2
0
0.1
u
F
C175
0.1
u
F
C1
9
0.1
u
F
C2
3
0.1
u
F
C8
0.1
u
F
C2
8
0.1
u
F
C172
0.1
u
F
R8 22
1 2
C106
0.1
u
F
T17