Grundig Toronto 32-7931a T, Руководство по обслуживанию

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GR
UNDIG
Ser
vice
Chassis T8
/ T9
2 - 32
Chassisplatte / Chassis Board T9 – Tuner, COFDM Demodulator YVR190R-8
SIF_CTL
C308
10n
D302
BA591
R310
100k
C302
470u/16V
R306
2K2
T301
BC847B
C304
10n
R303
2K2
R302
6K8
VCC5V
T303
BC807-40
R313 10R
R309
10R
R316
1K
L303
SBY1005
C306
100n10V
ANTPOWER: L- OFF, H- ON
R314
3K3
R322
51K
L301
NR3015T220M
C307
1u
R321
NC
L305
1u
ANTPOWER
AP
W
1
RA
G
2
CA
S
3
SC
L
4
SD
A
5
33V( 4MHz)
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
GND
VC
C-
Tu
ne
r
D_IF
-
D_IF
+
TU_SCL
TU_SDA
VCC-Tuner
R318
51K
2
6
1
5
4
3
T302
BC847BPDW1T1
R312
100k
SIF_CTL
SIF_IP
SIF_IM
VIFM
VIFP
R311 0R
C309
100n
R304
6.8K
C310
100n
D301
NC/BAT54C
C324
(47u/16) Secam icin
2
3
4
5 1
F302
HDVF389A1DC
R330
NC/100K
2
3
4
5 1
F301
HDAF389A7
+5V_ST
R305
39R
Ant_PWR
Ant_PW
R
VCC-Tuner
VCC-Tuner
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
C206
22p
R224 100R
R220
10K
R204 33
R222 100R
C202
22pF
R228
NC/10k
R219 4.7K
R201 100R
R215 33
R209 10K
R225 100R
C208 33pF
X201
28.8MHZ
R218 4.7K
R229 100R
GND
1
AVDD_33
2
SS
IF
O
3
CVBSOU
T
4
GN
D
5
CL
KO
6
AVDD_33
7
VR27
8
SI
FI
P
9
SI
FI
M
10
VIFIM
11
VIFIP
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
XOUT
25
AVDD_3
3
26
IF_AGC
27
GN
D
28
EXTR
ST
N
29
I2
CM_S
CL
30
I2C
M_S
DA
31
VDDC
32
GN
D
33
I2
CS
__
SCL
34
I2
CS
__
SCL
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
7531 8642
RP201 33X4
C209 33pF
C207
22p
R203 100R
R223 100R
C203 100nF
C219 100nF
C201
22pF
R212 33
TS_MDI[7..1]
DVDD
Vcore
AVDD
AVDD
DVDD
7531 8642
RP202 33X4
R231
1k
Vcore
PLLVDD
C205
100nF
C212
100nF
R207
47R
R205
47R
VIFM
VIFP
C211 2u2
CVB
SO
UT
SS
IF
O
SSIFO
VCC5V
RF_AGC
XI
N
XOUT
C223
100n
C217
100n
C216
100n
C218
100n
SIF_IP
SIF_IM
C228
1uF
C227
1uF
L204
FB/60R/3A
L203
FB/60R/3A
L201
FB/60R/3A
C214
1uF
L202
FB/60R/3A
C215
1uF
AVDD
PLLVDD Vcore
DVDD
C221
1uF
C229
1uF
R221
10K
R214
10K
R211
47R
C224
100n
CVBSOUT
TS_MDI7 TS_MDI6
00: 0x32
D_IF+
D_IF-
RF_AGC
ANTPOWER
SIF_CTL
ANTPOWER
SIF_IN-
SIF_IN-
SIF_IN-
TV_CVBS-
TV_CVBS-
TUN_RESET
TUN_RESET
I2C-SCL
I2C-SDA
I2C-SDA
I2C-SCL
TS_MIVALID
TS_MISYNC
TS_MICLK
TS_MICLK
TS_MISYNC
TS_MIVALID
TS_MDI0
TS_MDI0
R230
47R
C226
100n
TV_CVBS-
RFAGC3
VCC
GND
1
2
4 3
5
IC301
74LVC1G66GW
C327
100nF
A/D
VCC5V
TP33
A/D
A/D
Shoulder
Shoulder
GND
VCC3.3V-ST
VCC3.3V-ST VCC3.3V-ST
VCC3.3V-ST
VCC1.2V-ST
7
5
3
1
8
6
4
2
RP203 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
R216 33R
GND
AP
W
1
RA
G
2
CA
S
3
SC
L
4
SD
A
5
33V( 4MHz)
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
IFAGC
VC
C-
Tu
ner
TU_SCL TU_S
DA
D_IF
-
D_IF
+
AP
W
1
RAG
2
CAS
3
SC
L
4
SD
A
5
33V( 4MHz
)
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
2
IFAGC
VC
C-Tune
r
TU
_S
CL
TU
_S
DA
D_
IF
-
D_
IF
+
TU
_S
CL
TU
_S
DA
An
t_
PW
R
An
t_
PW
R
TP123
TP124
TP122
TP126 TP128
TP125 TP127
A_IF
6
6
6
8
8
8
8
9
9
9
9
GN
D
GN
D
GN
D
A_IF
C200
10n
R206
300R
R213
300R
C235 1nF
C220
100n
R235
2k
R234
2k
C237
NC(10pF) C236
NC(10pF)
TP147
C240
10uF/805
C242
10uF/805
C222
1uF
10
10
7
6
8
9
8
9
14
13
12
11
3
7
6
4
5
1
2
3
5
4
VCC
Z
E
GND
Y
74LVC1G66
3
power on (trigger: +5V_ST)
4
5
6
during switch over programm
7
during switch over programm
8
ATV
9
ATV
0
DTV
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