Grundig Toronto 32-7931a T, Service Manual

Page: 42 / 82

GR
UNDIG
Ser
vice
Chassis T8
/ T9
2 - 16
IF
1
SIF_CTL
C308
10n
D302
BA591
R310
100k
C302
470u/16V
R306
2K2
T301
BC847B
C304
10n
R303
2K2
R302
6K8
AGND
AGND
AGND
AGND
AGND
VCC5V
T303
BC807-40
R313 10R
R309
10R
R316
1K
L303
SBY1005
C306
100n10V
GND
ANTPOWER: L- OFF, H- ON
R314
3K3
R322
51K
L301
NR3015T220M
C307
1u
AGND
AGND
R321
NC
L305
1u
AGND
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 11
GN
D
12
GN
D
13
GN
D
14
GN
D
15
TU301
DTT75416
2
GND
VC
C-
Tu
ne
r
GND
D_IF
-
D_IF
+
TU_SCL
TU_SDA
VCC-Tuner
R318
51K
2
6
1
5
4
3
T302
BC847BPDW1T1
AGND
R312
100k
AGND
SIF_CTL
SIF_IP
SIF_IM
VIFM
VIFP
R311 0R
C309
100n
GND
R304
6.8K
C310
100n
GND
D301
NC/BAT54C
C324
(47u/16) Secam icin
2
3
4
5 1
F302
HDVF389A1DC
R330
NC/100K
GND
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
CVBSOUT
4
GND
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
I2C
M_S
CL
30
I2
CM_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]
GND
DVDD
Vcore
AVDD
AVDD
GND
GND
GND
GND
GND
GND
GND GND
DVDD
GND
GND
GND
7531 8642
RP202
33X4
R231
1k
Vcore
PLLVDD
C205
100nF
C212
100nF
R207
47R
R205
47R
GND
VIFM
VIFP
C211 2u2
CVB
SO
UT
SS
IF
O
SSIFO
VCC5V
RF_AGC
GND
XI
N
XOUT
C223
100n
C217
100n
C216
100n
C218
100n
GND
GND
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
GND
GND
PLLVDD
Vcore
GND
DVDD
GND
C221
1uF
C229
1uF
R221
10K
R214
10K
GND
R211
47R
C224
100n
CVBSOUT
GND
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
12MHz
12MHz
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
R301
(0R)
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
GND
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
GND
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)
GND
TP147
C240
22uF/805
C242
22uF/805
C222
1uF
10
10
7
6
8
9
8
9
14
13
12
11
3
7
6
4
5
Chassisplatte T8 / Chassis Board T8 – Tuner, COFDM Demodulator YVR190R-4/7
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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DTV
@
DTV
#
DTV
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DTV