Grundig Scenos UMS 6400 DVD, Service Manual

Page: 34 / 53

GRUNDIG Service SCENOS UMS 6400 DVD
3 - 18
32M SDRAM BA0=0
CLOSE
R310
CLOSE
OPEN
R308 R311
OPEN
VFD-DATA
OPEN
CLOSE
GND
OPEN
(4.7K)
CLOSE OPEN
CLOSE
32M SDRAM BA1=1
OPEN
OPEN
VFD+REMOTE INTERFACE
OPEN
OPEN
VFD-CLK
OPEN
32/64MBIT SDRAM
CLOSE
OPEN
CLOSE
OPEN
R312
(4.7K)
CLOSE 32M SDRAM BA1=0
R313
OPEN
OPEN
R307
SERIAL EEPROM
OPEN
VIDEO OUT
2 Ground are connected at
board layout thru a thick
trace
OPEN
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
OPEN
VFD-CS
+5V
R306
OPEN
OPEN
CLOSE
CLOSE
OPEN
64M SDRAM
32M SDRAM BA0=1
OPEN OPEN
OPEN
OPEN
IR
OPEN
(4.7K)
MA9
MA4
MA4
YDAC
BANK0
MA8
MA7
MA3
MA7
27/33M
MA2
MA5
DQMX
MA1
VDAC
MA9
CDAC
MA10
MA11
MA5
MA6
MA10
MA[0..11]
MA6
MA11
WE#
BANK1
CKE
CS0#
MA0
MA8
CAS#
MA3
RAS0#
MA2
MA1
UDAC
MA0
DB7
DB15
DMA8
DB14
DB3
SPDIF
DB7
DMA9
VREF
DB11
DB2
DB9
DB2
DB10
DB12
DMA0
DB5
DMA10
DB12
DB14
DB10
DB9
DMA7
DB6
DMA3
DB1
DB13
DB5
DB4
DB3
XOUT
DB11
DMA1
DB4
DB0
DB1
DMA6
DMA4
DMA2
DMA5
DB8
DB13
DB0
DB6
DB15
XIN
DMA11
DB[0..15]
DB8
RWS
TSD0
TBCK
TSD2
TSD3
TSD1
MCLK
TWS
RBCK
CVBS
LUMA
CHROMA
U
SPDIF1
EAUX30
AUX0
AUX1
AUX5
AUX3
EAUX31
VCC
VCC33E
GNDV
VCC
VCC33
VCC33
VCCV
VCCV
VCC27
VCC33
VCCV
VCC33
VCC33
VCC
VCCV
VCC33
VCC33
VCCV
VCC VCC
GND GND GND GND
GND
GND GND GND GND GND
GND GND
GND
GND GND
GND
GND
GNDV GNDV GNDV GNDV
GNDV GNDV GNDV
GNDV GNDV GNDV
GNDV GNDV
GNDV GNDV GNDV
GNDV GND
GNDA
GND
R296 270
D19
1N6263
C209
470PF
R307
OPEN
R64
75 OHM
L12 2.4UH
R4
1K
R392
33 OHM
U2
24C01A
1
2
3
4
5
6
7
8
S0
S1
S2
GND SDA
SCL
WC
VCC
C248
27PF
R66
75 OHM
1
R10 OPEN
D15
1N6263
C2
OPEN
R394 33 OHM
D4
1N6263
C251
470PF
R299
4.7K R396
OPEN
U1
ES60x8
100
106
107
35
108
109
110
83
113
114
121
115
139 172 44
53
54
55
56
57
58
32
33
36
37
38
39
40
41
45
46
47
48
49
50
61
62
63
64
65
66
69
70
71
72
73
74
77
78
79
80
81
82
85
86
87
88
89
90
93
94
95
96
97
101
102
116
117
118
119
160
161
162
163
165
166
167
168
169
171 177 184 192 200 208
DCS0
YUV0/CAMYUV2
YUV1/VREF
VC25
YUV2/CDAC
YUV3/COMP
YUV4/RSET
VC25
YUV5/YDAC
YUV6/VDAC
VC25
YUV7CAMYUV3
VC25 VC25 VC25
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
T WS/SEL_PLL2
T SD0/SEL_PLL0
T SD1/SEL_PLL1
TSD2
TSD3
MCLK
TBCK
SPDIF/SEL_PLL3
RSD
RWS
RBCK
NC
/A
P
L
L
XIN
XOUT
DMA6
DMA7
DMA8
DMA9
DMA10
DMA11
DCAS
DSCK/DOE
DWE
DRAS0
DBANK0/DRAS1
DBANK1/DRAS2
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DCS1
DQM
DSCK
PCLK2XSCN/CAMYUV4
PCLKQSCN/CAMYUV5/AUX3[2]
VSSCN/CAMYUV6/EAUX3[1]
HSSCN/CAMYUV7/EAUX3[0]
AUX0
AUX1
AUX2
VSS
AUX3
AUX4
AUX5
AUX6
AUX7
VSS VSS VSS VSS VSS VSS
R32
33 OHM
R9 33 OHM
R310
0 OHM 2
R297 OPEN
U3
4Mx16 SDRAM (9ns)
1
2
4
6
5
7
3
8
10
12
11
13
9
15
16
17
18
19
35
22
23
24
25
26
14
28
29
30
31
32
33
34
36
37
38
39
40
43
42
44
46
45
47
49
48
50
52
51
53
41
20
21
27
54
VCC
DQ0
DQ1
VSSQ
DQ2
DQ3
VCCQ
DQ4
DQ5
VSSQ
DQ6
DQ7
VCCQ
DQML
WE
CAS
RAS
CS
A11
A10
A0
A1
A2
A3
VCC
VSS
A4
A5
A6
A7
A8
A9
NC
CKE
CLK
DQMH
NC
VCCQ
DQ8
DQ9
VSSQ
DQ10
DQ11
VCCQ
DQ12
DQ13
VSSQ
DQ14
DQ15
VSS
BA0
BA1
VCC
VSS
R44
33 OHM
R6
4.7K
C206
470PF
R298
OPEN(4.7K)
D18
1N6263
R301
OPEN
C196
470PF
Y1
27M
R395
33 OHM
R2
OPEN
C250
1000P
F
RN9 10x4
1 8
2 7
3 6
4 5
L18 2.4UH
R308
OPEN
L19 2.4UH
FB2
FERB
D22
1N6263
R5
1K
RN10 10x4
1 8
2 7
3 6
4 5
R323 33 OHM
R52
33 OHM
RN8 10x4
1 8
2 7
3 6
4 5
R304
100K
C247
0.1UF
C197
470PF
R292
33 OHM
L10 2.4UH
C210
470PF
R306
OPEN
FB4
3.3UH
C246 0.1UF
C63
OPEN
R56 4K7 OPEN
D21
1N6263
R720 OHM
R313 0 OHM
R393 33 OHM
C205
470PF
R11 33
C252
470PF
D14
1N6263
C249
27PF
R322
75 OHM
R3
4.7K
R295
33 OHM
JS2
HDR6-100
1
2
3
4
5
6
C1
OPEN
R311
OPEN
R1
4.7K
RN11 33x4
1 8
2 7
3 6
4 5
R312
open
C4
D20
1N6263
R19 10 OHM
R391 33 OHM
R65
75 OHM
R300 OPEN
to Main PCB
CN203
S./P. 3-7
MPEG - Memory & Video