Part 12 Tuner - Grundig 42 PW 110-7510 TOP Service Manual

GRUNDIG Service
Tuner
12
QSS_MAIN
SDA_5V
¡
AM _PIP
TP829
AM_SOUND
GND
)
GND
+33V_IF_1
GND
TP832
1
TU825
1NF
11
IF1
*
C840
10
NC
*
C841
9
1N
VST
8
NC/ADC GND
7
VCC+5V 100N
6
C828
NC
R861
5
100R
SDA
*
R863
4
100R
SCL
*
J828
3
AS
0R
*
J829
2
TU
0R
*
L8 29
1
AGC
C860
470N 63V
GND
UV 1316T
C866
1
*
75R
*
GND
R880
C891
*
TP844
J833 TP856
C867
AV _CVBS_IN
TP539
RCA VI DEO
270pF
*
C899
*
GND
C868
GND
*
R883
C869
*
75R
TP851
220N
GND
C892
*
*
33pF
2
C870
R884
75R
*
*
GND
TP858
C893 TUN1_CVBS
33pF
C872
TP860
SCART2_CVBS_IN
C895
*
33pF
*
GND
R888
75R
*
21
TP827
R853
12
100R SIOMAD
*
R855
11
SCL_5V 100R SCL
*
R859
10
100R SDA
*
J825 20
9
TOP
0R
C862
*
8
220N
AU D
*
TP830
7
GND DGND
TDA9886
C858 6
470N
AFD
63V
5
C881 10N
DEEM
R896
10N
C883 4
5K6 FMP L L
*
3
GND
* OP1
C885
390pF
2
VI F2
4
1
IF1 1
SAW825
VI F1
5
IF2
2
X6966D
GND
GND
100N 100U16V
IF1
C241 C838
TP835
J826
SDA_5V GND
0R
*
IF2
SCL_5V
TP836
GND
R908
L_LP
TP838
*
GND
R851
4K7
TUN1_AGC *
47U50V
C854
GND
L832
*
220N
*
J830
0R
*
J831
GND
0R
*
220N
U827
4
CLK
7
PROG
2
DA TA TEA6415
220N
11
INPUT
6
INPUT
10
INPUT
8
INPUT
5
INPUT
3
INPUT
12
220N GND
19
GND GND
GND
220N
2
TUN1_AGC
13
NC TP825
R856
14
100R
TA GC
*
15
C844
REF
16
C857 470N
VA GC
17
CVBS
U825
18
1N5
AGND
C874
C864
19 *
220N
VPLL
*
20
VP
R898
*
21
AFC 22R
22
OP2
TP834
23
SIF1
24
SIF2
C849
L_LP
GND
R902 R906
2K2 6K8
C845 L827
*
100pF
* 4
R8 2
D829
1K 1N4148
C847
100pF
* Q827
BC848B
33K
100N
C831
*
GND
GND +5V_IF_IC_MAIN
+5V
TP839
+8V
L834
3216
*
R839
47R
C37
TP841
C897
22U50V
*
GND
C835
9
100N
VCC
*
* * *
10K 10K 10K 10K
13
OUTPUT
14
OUTPUT
15
OUTPUT
16
OUTPUT
17
OUTPUT
18
OUTPUT
3
1
INPUT
20
INPUT
C890
33pF *
C873
R878
75R
3
*
*
220N
C871
220N
TP843
*
TUN2_CVBS
2 - 2
R890 R892
12K
* *
D826
1N4148
R825
+5V_IF_IC_MAIN
Y825
*
100pF
GND
*
QUARZO-V ERT
GND
T1_CVBS
R835
47R
*
GND
R894
150R
*
+5V_IF_IC_MAIN
C905
GND
100N
GND
*
C825
*
100N
GND
R873
22K
*
+5V_IF_IC_MAIN
1 4
SAW827
2 5
X6966D
GND
T1_CVBS
*
R836
47R
100N
C832
R837
Q829 *
47R
BC848B
GND
+5V_IF_IC_MAIN
*
R877
TP840
75R
SC1_V_OUT
*
R844
4N7
*
1K
C878
GND
VSW_8V
C39
C38
*
TP846
GND
* * *
10K 10K
R867
*
100R
R868
* 100R
R869
100R
R870
*
100R
R871 *
100R
*
100R
* R872
TP857
SCART1_CVBS_IN
C894
*
33pF
GND
R886
75R
*
Chassis P7
GND
C902
GND
*
Q825
BC848B
R875
*
R840
1K
* C876
TUN1_CVBS
+33V_IF_2
TU826
IF1
NC
VST
NC/ADC
VCC+5 V
NC
SDA
SCL
AS
TU
AGC
UV 1316T
C
C236 C235
100n 100U16V 1
GND
VSW_8V
R845
GND 1K
VSW_8V
VSW_8V
Q832
BC848B
R882
75R
* VSW_8V
1K
GND
R847
VSW_8V
Q834
BC848B
R887 R848
75R
*
VSW_8V
R849
1K Q
GND
BC
R850
1K
GND