Grundig SCENOS UMS 4400 DVD Serviceanleitung Seite 29

GRUNDIG Service
MPEG - Memory & Video
VCC33 VCC33 VCC33 VCC33
R298 R1 R3 R6
OPEN(4.7K) 4.7K 4.7K 4.7K
R299 R301
4.7K OPEN OPEN
R2 (4.7K)
(4.7K)
GND GND GND
VCC27
U1
ES60x8
39
MCLK
40
TBCK
32
TWS/SEL_PLL2
33
TSD0/SEL_PLL0
36
TSD1/SEL_PLL1
37
TSD2
38
TSD3
47
RBCK
46
RWS
45
RSD
SPDIF
41
SPDIF/SEL_PLL3
116
PCLK2XSCN/CAMYUV4
117
PCLKQSCN/CAMYUV5/AUX3[2]
119
HSSCN/CAMYUV7/EAUX3[0]
118
VSSCN/CAMYUV6/EAUX3[1]
106
YUV0/CAMYUV2
107
YUV1/VREF
108
YUV2/CDAC
109
YUV3/COMP
110
YUV4/RSET
113
YUV5/YDAC
114
YUV6/VDAC
115
YUV7CAMYUV3
100
DCS0
97
DCS1
72
DRAS0
73
DBANK0/DRAS1
74
DBANK1/DRAS2
69
DCAS
71
DWE
70
DSCK/DOE
33 OHM
101
DQM
102
DSCK
DMA0
53
DMA0
DMA1
54
DMA1
DMA2
55
DMA2
DMA3
56
DMA3
DMA4
57
DMA4
DMA5
58
DMA5
DMA6
61
DMA6
DMA7
62
DMA7
DMA8
63
DMA8
DMA9
64
DMA9
DMA10
65
DMA10
DMA11
66
DMA11
DB0
77
DB0
DB1
78
DB1
DB2
79
DB2
DB3
80
DB3
DB4
81
DB4
DB5
82
DB5
DB6
85
DB6
DB7
86
DB7
DB8
87
DB8
DB9
88
DB9
DB10
89
DB10
DB11
90
DB11
DB12
93
DB12
DB13
94
DB13
DB14
95
DB14
DB15
96
DB15
33 OHM
160
AUX0
R394
161
AUX1
R393
162
AUX2
165
AUX3
166
AUX4
167
AUX5
168 R391
AUX6
169 R392
AUX7
49
XIN
XOUT
50
XOUT
27PF
C2 C248
OPEN
GND GND GND
Option to use 27MHz crystal at XIN/XOUT for clock
generation, need to pull low ES60x8 pin 41, no need
for DCLK portion OSC circuitry
R52
MCLK
33 OHM
C63
R396
OPEN
OPEN
(4.7K)
GNDA
GND
OPEN
R300
R56 4K7 OPEN
R9
33 OHM
R323 33 OHM
VREF 0.1UF
R296
RN11 33x4
1 8
2 7
3 6
4 5
R32
R295
33 OHM
RN8 10x4
4 5
3 6
2 7
1 8
RN9 10x4
4 5
3 6
2 7
1 8
4 5
3 6
2 7
1 8
RN10 10x4 DB[0..15]
AUX0
AUX1
VCC VCC
SERIAL EEPROM
VCC
R4 U2
1K
8
VCC
R5
7
WC
1K
6
SCL
5
SDA
R395 24C01A
33 OHM
GND
33 OHM
AUX3
AUX5
33 OHM
33 OHM
XIN
R304
FB4
100K
3.3UH
Y1
27PF
27M
C249 C250
1000PF
GND GND
VCCV
FB2
FERB
GND
2 Ground are connected at
board layout thru a thick
trace
R66
TBCK
75 OHM
C1
GNDV
OPEN
GND
TWS
TSD0
R65
75 OHM
TSD1
TSD2
TSD3
GNDV
R297
RBCK
OPEN
RWS
R64
75 OHM
GND
GNDV
VCC33E
SPDIF1
R322
C247 75 OHM
EAUX30
0.1UF
EAUX31
C246
270
R310
2 0 OHM
GNDV
R312
open
R292
33 OHM
R313
0 OHM
R19 10 OHM
MA[0..11]
MA0
MA1
MA2
MA3 C4
MA4
MA5
MA6
GND
MA7
MA8
MA9
MA10
MA11
1
S0
2
S1
3
S2
4
GND
VCC
GND
JS2
R10 OPEN
+5V
1
R11 33 IR
2
GND
3
VFD-CLK
4
VFD-CS
5
VFD-DATA
6
HDR6-100
VFD+REMOTE INTERFACE
GND
R44
33 OHM
27/33M
64M SDRAM
32M SDRAM BA0=0
32M SDRAM BA0=1
32M SDRAM BA1=0
32M SDRAM BA1=1
3 - 14
SCENOS UMS 4400 DVD
VCC
R720 OHM
GNDV
VIDEO OUT
VDAC
L10 2.4UH
YDAC
CDAC
C209 C210
UDAC
470PF 470PF
VCCV
GNDV GNDV
L18 2.4UH
1N6263
C205 C206
470PF 470PF
GNDV GNDV
1N6263
L12 2.4UH
GNDV
C196 C197
VCCV
470PF 470PF
GNDV GNDV
1N6263
L19 2.4UH
C251 C252
470PF 1N6263
470PF
GNDV GNDV GNDV
U3
MA0 23 2
A0 DQ0
MA1
24 4
A1 DQ1
MA2
25 5
A2 DQ2
MA3
26 7
A3 DQ3
MA4
29 8
A4 DQ4
MA5
30 10
A5 DQ5
MA6
31 11
A6 DQ6
MA7 32 13
A7 DQ7
MA8
33 42
A8 DQ8
MA9
34 44
A9 DQ9
MA10
22 45
A10 DQ10
MA11
35 47
A11 DQ11
48
DQ12
50
DQ13
38 51
CLK DQ14
53
DQ15
CKE
37
CKE
1
VCC
CS0#
19 14
CS VCC
27
VCC
RAS0#
18
RAS
3
VCCQ
CAS#
17 9
CAS VCCQ
43
VCCQ
WE#
16 49
WE VCCQ
DQMX
15
DQML
39 6
DQMH VSSQ
12
VSSQ
BANK0
20 46
BA0 VSSQ
BANK1
21 52
BA1 VSSQ
28
VSS
36 41
NC VSS
40 54
NC VSS
4Mx16 SDRAM (9ns)
GND
32/64MBIT SDRAM
VCC33
to Main PCB
OPEN
CN205
R311
S./P. 3-6
OPEN
R308
GND
R310 R312 R313 R311 R308
CLOSE OPEN CLOSE OPEN OPEN
OPEN CLOSE OPEN OPEN OPEN
OPEN CLOSE OPEN OPEN OPEN
CLOSE OPEN OPEN OPEN CLOSE
CLOSE OPEN OPEN CLOSE OPEN
CVBS
LUMA
CHROMA
U
VCCV
D18 D20
1N6263
D19 D4
1N6263
GNDV
VCCV
D21 D14
1N6263
D22 D15
1N6263
GNDV
VCC33
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
VCC33
OPEN
R306
OPEN
R307
GND
R306 R307
OPEN OPEN
OPEN CLOSE
CLOSE OPEN
OPEN OPEN
OPEN OPEN