Grundig 46 VLE 8270 BL, Руководство по обслуживанию

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GRUNDIG Service Chassis TK
2 - 14
SC1_Lout
SC1_Rout
R952
220K
C958
1nF
R956
220K C955
1nF
R959 47K
C949
1uF
C952
4.7nF
C947
1uF
R960 47K
C951 1uF
C956
4.7nF
C943
1uF
AU_DAC0_R
AU_DAC0_L
AU_DAC0_R
AU_DAC0_L
C939
100nF
1
2
3
4
5
S906
DLT11B0
L901 SBY1005
SPDIF_OUT
R940
100R
C941
10pF
SPDIF_OUT
VCC3V3
C946
1uF
7531 8642
R968
10k
7531 8642
R947
100R
TP230
MUTE_SC
MUTE_SC
7
5
3
1
8
6
4
2
R962
10k
+5V2_ST
PD
7531 8642
R948
10k
7531 8642
R950
1K
Ci
p
1
Ci
n
3
PVss
4
OutL
11
InR
8
InL
6
Vdd
12
/PD
5
OutR
10
PGND
2
SV
ss
9
SG
ND
7
IC900
+Aud_Vcc
PD
LineLout
LineRout
TP253
R976
220K
C974
1nF
R971
220K C969
1nF
R972 47K
C963
1uF
C967
4.7nF
C960
1uF
R973 47K
C965
1uF
C966
4.7nF
C959
1uF
AU_DAC2_R
AU_DAC2_L
C961
1uF
7531 8642
R967
100R
7531 8642
R965
1K
Ci
p
1
Ci
n
3
PVss
4
OutL
11
In
R
8
InL
6
Vdd
12
/PD
5
OutR
10
PGND
2
SVss
9
SGND
7
IC902
+Aud_Vcc
AU_DAC2_R
AU_DAC2_L
PD
D919
BAT54CW
RIGHT
3
2
2
LEFT
1
Dragoncity: RS229A-03
S908
CON_RCA2
TP251
TP252
40
41
40
41
Chassisplatte / Chassis Board – Tuner
C416
47pF
C414
47pF
5V_T
T403
BC807-40
R422 10R
R418
10R
L404
SBY1005
C409
100nF
ANTPOWER: L- OFF, H- ON
R426
3K3
R431
39K
L402
22UH 0.47A
C419
1uF
A_IF
ANTPOWER
VCC5V
D_IF+
D_IF-
1 2
4
3
5
IC400
74LVC1G66GW
C420
10nF
VCC5V
R421
10K C415
100nF
R424
10K
C417
22nF
R419 100
R427
NC
RFAGC
L- DVBT
H-Analog Tuner
+5V2_ST
C421
22nF
C407
100nF
R433
10k
R432 1k
C401
100nF
2
3
4
5 1
SAW401
HDVF389A1DC (K3958M)
R412 100R L400
SBY1005
R423
NC
L403
NC/1uH
C411
10nF
D400
BA591
2
3
4
5 1
SAW400
HDAF389A7 (K9656M)
R413
4.7K
R408
2.2K
T401
BC847B
C403
10nF
R403
2.2K
R404
6.8K
5V_T
SIF_P
SIF_N
SIF_P
SIF_N
TP44
TP42
RF_CTRL
VIF_P
VIF_N
VIF_P
VIF_N
5V_T
IF_AGC
RFAGC
IFAGC
RF_CTRL
T400
NC/BC848B
R402
220K
R401
100k
5V_T
RFAGCM
R400
47k
RF_MON
RF_MON
R411 100R
R409 100R
D_IF_N
D_IF_P
AIF R417
56R
L401
1uH
R425
820R
R414
270
R410
1.5K
C412
10nF
C410
10nF
3
1
2
T402
BF799W
C418
10n
R420
68
C402
10nF
R406
SBY1005
VIF SAW driver
R407 NC/0R AIF
A_IF
C413
10nF
VCC3V3
SIF_CTL
SIF_CTL
C404
47pF
C405
47pF
TP41
ANTPOWER
AP
W
1
RAG
2
+5V
3
nc
4
MO
N
5
nc
6
SC
L
7
SD
A
8
AI
F
9
IF
AGC
10
DI
F2
11
GN
D
16
GN
D
13
GN
D
14
GN
D
15
DI
F1
12
TU400
TDAG8-D11A
5V_T
R428
4.7K
R415
NC/100k
VCC3V3
2
6
1
T404A
BC847BPDW1T1
5
4
3
T404B
BC847BPDW1T1
5V_TA
7531 8642
R416
100R
7 5 3 1
8 6 4 2 R429
10k
7
5
3
1
8
6
4
2
R405
10k
R434
0R
IF_AGC IFAGC
IF_AGC
C400
100nF
I2CT2_SDA
I2CT2_SCL I2CT2_SCL
I2CT2_SDA
5V_T RFAGCM 5V_TA SCL
_T
SDA_
T
DIF1_T_P IF_A
GC
_T
DIF1_T_N
7531 8642
R430
0R
I2CT_SDA
I2CT_SCL
I2CT_SDA
I2CT_SCL
I2CT2_SCL
I2CT2_SDA
I2CT2_SCL
I2CT2_SDA
NO DVB T2 - I2C Bypass
AI
F
DIF1_T_N
DIF1_T_P
DVBT2
DIF1_T_P
DIF1_T_N TP40
C406
10uF 6V3
IF_AGC_T2
IF_AGC_T2
7 5 3 1
8 6 4 2
R450
0R
TP43
C408
470uF 16V
14
16
15
13
15
Chassisplatte / Chassis Board – SCART, VGA, CV, YUV
CHARGE
PUM
P
UVLO/
SHUTDOWN CONTROL
CLICK-AND-POP
SUPPRESSION
C1N
C1P
PVSS SVSS
PGND SGND INR
VDD
SHDN
ON
OFF
SVSS
VDD
SGND
INL
OUTR
5
(8)
12
(2)
1
(3)
2
(4)
3
(5)
4
(7)
9
(12)
11
(1)
6
(9)
10
(14)
7
(10)
SVSS
VDD
OUTL
8
(11)
MAX9728A
1
2
3
5
4
VCC
Z
E
GND
Y
74LVC1G66
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