Grundig Vision 4 32-4831 T - COFDM Demodulator Circuit Diagram

GRUNDIG Service Chassis SE
2 - 11
BKERR
Lock
IFind
#IFind
OSC_Mode
REF1
TS_MIVALID
TS_MISYNC
GPIO_0
Lock
#IRQ
Sleep
SAD_1 SAD_0 SAD_3 SAD_2
XIN
TS_MICLK
TS_MDI0
TS_MDI1
TS_MDI2
TS_MDI3
TS_MDI4
TS_MDI5
TS_MDI6
TS_MDI7
RESET
BKERR
Test_12
TS_MDI[1..7]
R203 100R
C206
33p
C215
100n
1
TP1
1
TP3
C212
100n
C218
100n
7531
8
6
4
2
RP202 4*33R
R204 100R
R223
100R
R220 4K7
C203
22p
7
5
31
8642
RP201 4*33R
C223
100n
R213 4K7
R205
0R
C217
100n
R202
10K/NC
R217 100R
R206 47R
D201
LED(R)
R215 33R
R221
4K7
1
TP2
C210
100n
C219
100n
C201 100n
X200
20.48MHZ
C208
100n
C222
100n
R212 33R
C204
10u
R216 100R
R222
100R
7531
8642
RP200 4*33R
C216
100n
C220
100n
R209
10K
C211
100n
R210 33R
C200 100n
VIN
30
VIN
31
AGC1
42
AGC2/GPP2
41
VDD_ADC
28
DVSS_ADC
29
AGND
32
AVDD
33
RFLEV
34
VDD_SAD
21
PLL1TEST
26
TEST_IN
22
GPP3
43
CLK2/GPP0
35
DATA2/GPP1
36
XTO
24
XTI
23
OSCMODE
27
VSS
1
VSS
3
VSS
8
VSS
14
VSS
20
VS S_SAD
25
VSS
38
VSS
40
VSS
46
VSS
55
VSS
60
RESET
9
CLK1
4
DATA1
5
IRQ
6
SLEEP
10
STATUS
11
BKERR
62
MOSTRT
47
MOVAL
48
MDO7
58
MDO6
57
MDO5
56
MDO4
53
MDO3
52
MDO2
51
MDO1
50
MDO0
49
MOCLK
61
MICLK
63
SADD0
18
SADD1
17
SADD2
16
SADD3
15
SADD4
12
TE ST_EN
44
CVDD
64
CVDD
59
CVDD
39
CVDD
37
CVDD
19
CVDD
7
VDD
54
VDD
45
VDD
13
VDD
2
IC201
MSB-1200
R211 0R/NC
C214
100n
R214 8K2
C213
100n
R208
10K
C209
100n
R218 4K7
C202
22p
D202
LED(G)
C205
33p
R207
8K2
IF-
IF+
IFAGC
I2C-SCL
I2C-SDA
TS_MICLK
TS_MIVALID
TS_MISYNC
TS_MDI0
I2C-SCL-Tuner
I2C-SDA-Tuner
TS_MDI[1..7]
VDD_ADC
VDD_SAD
VDD Vcore
AVDD
VCC3.3V-ST
VCC3.3V-ST
VDDVCC3.3V-ST
VCC1.8V
VCC1.8V VDD_ADC
VDD_SAD
AVDDVCC3.3V-ST
VCC1.8V Vcore
VCC3.3V-ST
VCC3.3V-ST
VDD
VCC1.8VVCC3.3V-ST
MSB1200
ADJ
1
VOUT
2
VIN
3
TAB
4
IC200
AP1117YL-13
R200 120R
R201 56R
C221
22u
L201
300R/100MHz
L202
300R/100MHz
L204
300R/100MHz
L200
300R/100MHz
L203
300R/100MHz
RESET
R224 100R
C207
100n
7
5
31
8
642
R219 4*33R
TS1_D0
TS1_VALID
TS1_CLK
TS1_SYNC
TS1_SYNC
TS1_D0
TS1_CLK
TS1_VALID
TS_MDI0
TS_MICLK
TS_MISYNC
TS_MIVALID
R225 33R
I2C-SCL-Tuner
I2C-SDA-Tuner
C224
10p
L205
300R/100MHz
R226 100R
Power-ON/OFF
HI : OFF
LOW : ON
5 6
6
5
11
8
8
!
Mains plug in
Trigger @ (VCC3.3V-ST)
12
5 6
6
5
COFDM Demodulator
Vorabversion
Preliminary Version