Grundig Vision 2 19-2940 T DVD, Service Manual

Page: 29 / 58

GRUNDIG Service Chassis DB
2 - 9
TU_SCL
TU_SDA
SIF_CTL
A_IF
C308
10nF
D302
BA591
R305
100k
C302
470uF/16V
R306
2.2K
T301
BC847B
C304
10nF
R303
2.2K
R302
6.8K
AGND
AGND
AGND
AGND
AGND
VCC5V
AP
W
1
R
A
G
2
C
A
S
3
SC
L
4
S
D
A
5
33
V
( 4
M
H
z)
6
5V
7
IF
A
8
IA
G
9
IF
2
10
IF
1
11
GN
D
12
GN
D
13
GN
D
14
GN
D
15
TU302
ALPS
GND
T303
BC807-40
R313
10R
R309
10R
R316
1K
L303
SBY1005
C306
100nF
GND
ANTPOWER: L- OFF, H- ON
R314
3.3K
R322
39K
L301
22uH
C307
1uF
AGND
A_IF
AGND
R321
NC
L305
1uH
IFAGC
AGND
ANTPOWER
AP
W
1
RA
G
2
CA
S
3
SC
L
4
S
D
A
5
33
V
( 4
M
H
z)
6
5V
7
IF
A
8
IA
G
9
IF
2
10
IF
1
11
GN
D
12
GN
D
13
GN
D
14
GN
D
15
TU301
DTT75416
2
G
N
D
V
C
C
-T
un
er
2
GND
IF
A
G
C
D
_I
F-
D
_I
F+
TU_SCL
TU_SDA
IF
A
G
C
VCC-Tuner
VC
C
-T
uner
R318
51K
2
6
1
5
4
3
T302
BC847BPDW1T1
AGND
D_IF+
D_IF-
R312
100k
AGND
SIF_CTL
SIF_IP
SIF_IM
SIF_IP
SIF_IM
VIFM
VIFP
VIFP
VIFM
VIF
R311
0R
C309
NC
GND
R304
6.8K
R301
10K
C310
22nF
RF_AGC
GND
D301
NC
2
3
4
5 1
F302
HDVF389A1DC
R330
(100K)
REF4M
H
Z
R
E
F4
M
H
Z
2
3
4
5 1
F301
HDAF389A7
+5V_ST
R310
NC/33R
VCC-Tuner
VCC-Tuner
TU
_S
C
L
TU_SDA
A_IF
A_IF D
_I
F-
D
_I
F+
AP
W
1
R
A
G
2
C
A
S
3
SC
L
4
S
D
A
5
33
V
( 4
M
H
z)
6
5V
7
IF
A
8
IA
G
9
IF
2
10
IF
1
11
GN
D
12
GN
D
13
GN
D
14
GN
D
15
TU303
SHARP
2
GND
IF
A
G
C
VC
C
-T
uner
R
E
F4
M
H
Z
TU
_S
C
L
TU
_S
D
A
A_
IF
D
_I
F-
D
_I
F+
A
P
WR
APW
R
APW
R
VCC
GND
1
2
4 3
5
IC301
74LVC1G66GW
C327
100nF
RF_AGC_CTL
R345
(0R)
VCC5V
TP17
RF_AGC_CTL
SHOULDER
SHOULDER
TP16
TP21
F300 F301
K9656M K3958M
- K2977M
System
Multysistem
No Secam L
T330
NC/BF799
R332
NC/680R
C311
10nF
L306
NC/1uH
C331
NC/10nF
R333
NC/1K C330
NC/10nF
R307
NC/56R
R334
NC/6.8K
R336
NC/20R
R335
NC/1K
GND
R331
NC/100R
C332
NC/10nF
C333
NC/100pF
VCC-Tuner
GND GND
SAW FLT. DRIVER
G
N
D
G
N
D
G
N
D
R337
0R
A_IF
R308
NC/47K
RF_MON
T304
NC/BC847B
C301
NC/22pF
R315
NC/100k
R317
NC/220k
VCC-Tuner
GND
TUN_AGC_OUT
RF_MON
TUN_AGC_OUT
6
8
5
IFAGC
TUN_RESET
TS_MDI1
TS_MDI2
TS_MDI3
TS_MDI4
TS_MDI5
TS_MDI6
TS_MDI7
D_IF+
D_IF-
TU_SCL
TU_SDA
TS_MDI0
TS_MDI[7..1]
I2C-SCL
I2C-SDA
IFind
#IFind
TS_MIVALID
TS_MISYNC
TS_MICLK
C204
22nF
R226
10K
C228
1uF
C206
22pF
R227 10K
R224 100R
R204 33R
R222 100R
C227
1uF
C202
22pF
C222
1uF
R216
10k
R219 4.7K
R201 100R
R215 33R
R209 10K
R225 100R
R221
10K
C208 33pF
(X201)
X200
24MHZ
R218 4.7K
R229 100R
G
N
D
1
A
V
D
D
_3
3
2
S
S
IF
O
3
C
V
B
S
O
U
T
4
G
N
D
5
CLK
O
6
A
V
D
D
_3
3
7
V
R
27
8
S
IF
IP
9
S
IF
IM
10
V
IF
IM
11
V
IF
IP
12
GND
13
AVDD_33
14
GND
15
VREFM
16
VREFP
17
AVDD_33
18
ZIF_QM
19
ZIF_QP
20
ZIF_IM
21
ZIF_IP
22
GND
23
XIN
24
X
O
UT
25
A
V
D
D
_3
3
26
IF
_A
G
C
27
G
N
D
28
E
X
TR
S
TN
29
I2CM_SCL
30
I2
C
M
_S
D
A
31
V
D
DC
32
G
N
D
33
I2
C
S
__
S
C
L
34
I2
C
S
__
S
C
L
35
TS
_C
LK
36
TS_SYNC
37
TS_VALID
38
TS_DATA7
39
TS_DATA6
40
TS_DATA5
41
TS_DATA4
42
TS_DATA3
43
TS_DATA2
44
TS_DATA1
45
TS_DATA0
46
VDDC
47
RF_AGC
48
IC201
MSB1210
C237
NC
7
5
3
1
8
6
4
2
RP201 4*33R
R214
10K
C209 33pF
C207
22pF
R203 100R
R223 100R
C203 100nF
C214
1uF
C200 100nF
C201
22pF
R212 33R
C215
1uF
TUN_RESET
IFAGC
I2C-SDA
I2C-SCL
TS_MICLK
TS_MISYNC
TS_MIVALID
TS_MDI[7..1]
TS_MDI0
D_IF-
D_IF+
GND
DVDD
Vcore
AVDD
AVDD
GND
VCC3.3V AVDD
GND
GND
GND
GND
GND
GND
GND GND
VCC3.3V
GND
PLLVDD Vcore VCC3.3V
GND
VCC1.2V
DVDD
GND
GND
DVDD VCC3.3V
GND
GND
C221
1uF
C229
1uF
7
5
3
1
8
6
4
2
RP202 4*33R
R231
1k
VCC3.3V
Vcore
PLLVDD
C205
100nF
C210
(1nF)
C212
100nF
R207
47R
R205
47R
R206
330R
GND
SIFP
SIFM
SIFP
SIFM
R213
1k
GND
R211
47R
C224
100nF
VIFM
VIFP
VIFP
VIFM
VIF
SIF_IP
SIF_IM
C211 2.2uF
CVBSOU
T
S
S
IF
O SSIFO
CVBSOUT
VCC5V
RF_AGC
RF_AGC
GND
X
IN
XOUT
C220
100nF
C223
100nF
C217
100nF
C216
100nF
C218
100nF
GND
GND
GND
TS_MDI7 TS_MDI6
C225
(100pF)
SIF_IP
SIF_IM
TU_SCL
TU_SDA
L204
SBY1005
L201
SBY1005
L203
SBY1005
L202
SBY1005
C238
NC
GND
TP12 TP13
TP14
TP15
C239 1nF
EMC icin
9
6
8
5
6 5
9
5
6
8
9
Chassisplatte / Chassis Board – Tuner YTS190R-5
Chassisplatte / Chassis Board – COFDM Demodulator
YTS190R-5