Grundig Scenos UMS 4400 DVD, Service Manual

Page: 33 / 44

GRUNDIG Service SCENOS UMS 4400 DVD
3 - 18
MPEG - Servo
U
L6
IREF
GNDAI
RFSACD
RFIN
RFOUT
VCCA18
TST_ADC
TST_SLICE
TST_PM
A
GNDMN
B
VCC33MN
REFD
VCCA18MN
D
VCCA18IS
C
VCCA33IS
GNDAIS
VCC33SD
VCC18SD
GNDSD
F
E
VSHIELDIS
VDDADC
VSSADC
VCCADC
GNDADC
VSHIELDAI
NC
BOOT_MODI
(ESD)VSS
VDD3
PC0/S1B/
PC1
/S
1
A
P
C
2
/S2
B/
in
tA
1
PC3
/S
2
A
PC4
/i
n
tS
A
3
PC5 PC6
/i
n
tA
4
PC7
/i
n
tA
5
(E
S
D
)V
S
S
VDD3
S
VS
S_
SP
L
RAM_
D
Q
M
RAM
_
WE
M
RAM
_
CAS
N
RAM
_
RAS
N
RAM
_
A
1
3
RAM
_
A
1
2
RAM
_
A
1
1
RAM
_
A
1
0
RAM
A0
NC
V
CC3
3
D
AC NC
G
NDPL
L
PL
LO
FF
FRE
O
U
T
FRE
IN
V
CCPL
L
SRE
G
1
VCCR3
3
SRE
G
2
LD
1
LD
2
V
CCA3
3
L
CRE
F
LM
D
1
LM
D
2
G
NDL
VBG
F
IL
T
F_FG
F_FG
+3V3D
AGND
SGND
CC45
100n
RR65
47K
CC46
100p
+1V8A1
CC2
15p
RR50
1M
F_E
+1V8A1
+1V8A2
F_F
F_C
F_B
+1V8A2
F_A
F_D
F_TST_ADC
M14
+1V8A2
+1V8A1
F_F
F_E
F_B
F_D
F_C
F_A
F_REFD
F_TST_ADC
+3V3XA
AGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
0
56P
TT13
BC860C
18P
F_RA
M
_
A1
1
F_RA
M
_
A12
F_RA
M
_
A1
0
F_RA
M
_
A1
3
F_RA
M
_
A
0
F_RAM_DQM
F_RAM_WE
F_RAM_CAS
F_RAM_RAS
F_LIMIT
F_DRVEN
F_CTINT
F_PS
+V1833
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
CC56 100n
CC55
100p
+1V8A1
+1V8A2
+1V8A2
+3V3A
AGND
CC16
22n
CC25
100p
CC13
NC
CC22
100n
Jump2
RR48
0R
CC14
NC
TT12
BC848C
TT11
2SC3650
+1V8A1
+1V8A2
AGND
CC54
100n CC52
100n
CC49
100n
CC51
100p CC50
100p CC53
100p
+3V3XA
AGN
12
6
12
7
12
8
12
9
13
0
13
1
13
2
13
3
13
4
13
5
13
6
13
7
13
8
13
9
14
0
14
1
14
2
14
3
14
4
RR54
1K0 1%
CC27
15p
QQ1
20M
+
F_MD_C
F_MD_C
F_LD2
F_LD1
F_MD_D
F_MD_D
F_MD_C
F_LD1
F_LD2
F_MD_D
3V3XA
AGND
AGND
AGND AGND
CC113 NC
CC94
4.7U
RR59 NC
LL16 2.7uH
CC23
100p
CC24
100n
CC39 1u
RR56
RR60
12K7 1%
CC36
10u
CC85
4.7U
CC38
10n
CC115
CC116 6.8P CC117
150P
CC114
RR49
0R
RR66
100
RR58
NC
RR57 1K
CC37
10n