GRUNDIG Service
Chassis SZ
2 - 12
Chassis – Tuner
YRQ190R-5
IIC1_SCL
IIC1_SDA
R719 100R
C700
100NF/50V
R718
100R
IIC1_SCL
IIC1_SDA
VCC_33 V
L700
4U7H
C703
100NF/25V
C710
47PF/50V
C708
47PF
+
C
70
4
47
0U
F
/2
5V
A5V
I2CSDA_5V
I2CSCL_5V
C707
1NF/50V
C709
47PF/50V
R712
1K
Q708
BC857B
R742
330R
5V-IF
C730
330pF/NC
L705
0R
C729
330pF/NC
R738
680R
R755
470R
R756
1K
IF_VID_OUT
1Vpp
2Vpp
AGC_OUT
R702
0R
SCART_VOUT
AV1_TUN_CVBS
R710
150R
R704
3K9
R707
150R
A5V
R709
1K8
SCART_VOUT
R703
680R
R752
75R
Q700
BC848BLT1G
Q702
BC848BLT1G
Q701
BC858BLT1G
TUNER_5V
AGC_OUT
IF_VID_OUT
S
IFO
U
T
R
76
5
10
0R
L702
10UH
R760
0R
+
C713
10UF
R767
1k
C716
10NF/50V
R
74
0
3
30
R
C738
NC
C
72
5
2
2P
F
SAW
ING
2
OUT1
4
G
N
D
3
OUT2
5
IN
1
SAW700
K9656M
C
72
2
2
20
N
F
C733
10nF
D
G
N
D
7
T
O
P
9
V
IF
1
1
V
IF
2
2
R
EF
15
N
C
(5
)/
V
A
G
C
(6
)
16
D
E
E
M
5
SC
L
11
O
U
T1
3
N
C
13
A
U
D
_O
U
T
8
SD
A
10
FMPL
L
4
T
A
G
C
14
A
F
D
6
SIOM
A
D
12
C
V
B
S
17
A
G
N
D
18
V
P
LL
19
V
P
P
20
A
F
C
21
O
U
T2
22
SIF1
23
SIF2
24
U700
TDA9886TS/V4
R763
10R
R759
51R
R724
22K
R736
6K8
R768
820R
R735
100K
+ C717
47UF/16V
C
72
1
1N
5F
/5
0
V
R766
0R
R747
2K2
D700
BA591
R734
1K
C737
100NF/25V
Q711
BC848B
L706
1.0uH/NC
R723
12K
C734
390PF
C712
100NF
R728
680K
C724
10NF/50V
C732
10NF/50V
C
73
6
47
0N
F
/1
0V
R761
5K6
C
73
5
10
N
F
/5
0
V
C
72
3
4
70
N
F
/1
0V
R729
1K
SAW
ING2
OUT1
4
G
N
D
3
OUT2
5
IN 1
SAW701
K3958M
R762
1k
Q705
BC848BLT1G
R725
220K
R764
100R
SIF_OUT
5V-IF
5V-OUT
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
5V-IF
GND
140mVrms
GND
IF_TV
C714
10NF
L703
BK1608HM601 /0603
C711
100NF
GND
GND
X701
4MHz
SIF_OUT
IF
_P
O
R
T
A5V
+
C701
100UF/16V
1N4148-SOT23
D701
R730
22K
C715
100NF/25V
R7
26
2
2K
AV1_TUN_CVBS
AV1_TUN_CVBS
R741
100R
R714100R
R715
100R
R758
0R/NC
C728
330pF/NC
Ant_PW
R
1
B
1
2
RF_AGC
3
SC
L
4
SD
A
5
B
2
6
V
tu
_T
P
7
N
C
8
N
C
9
N
C
10
IF
2
11
IF
1
12
G
N
D
14
G
N
D
15
G
N
D
16
G
N
D
13
TU700
LG-TDTC-G4XXD
R708
0R/NC
R739
0R
R721
0R/NC
R720
0R/NC
R716
3K3
R717
3K3
Q703
2N7002K
Q704
2N7002K
A5V
A5V
3V3_B
I2CSDA_5V
I2CSCL_5V
I2
C
S
C
L_
5V
I2CSDA_5V
TUNER_5V
C705
100NF/25V
AGC_OUT
C706
100NF/25V
L701
BK1608HM601
TUNER_5V
Ant_
P
W
R
1
B
1
2
R
F_
A
G
C
3
SC
L
4
SD
A
5
B
2
6
V
tu
_T
P
7
N
C
8
N
C
9
N
C
10
IF
2
11
IF
1
12
G
N
D
14
G
N
D
15
G
N
D
16
G
N
D
13
TU701
ET-9HD2L-E01W
TUNER_5V
RFAGC
I2CSDATUN_5V
I2
C
S
C
LT
U
N
_5
V
I2CSDATUN_5V
I2CSCLTUN_5V
TUN_5V
TUN_5V
A/SEL
A/SEL
A
G
C
1
T
U
2
A
S
3
SC
L
4
SD
A
5
N
C
6
V
C
C
(5
V
)
7
N
C
8
V
C
C
(3
3V
)
9
N
C
10
IF
1
11
G
N
D
13
G
N
D
14
G
N
D
15
G
N
D
12
TU702
NXP_UV1316E MK5
TUNER_5V
A/SEL
RFAGC
I2CSCLTUN_5V
I2CSDATUN_5V
IF_TV
IF_TV
RFAGC
A
P
W
1
R
A
G
2
C
A
S
3
S
CL
4
S
D
A
5
33
V
(
4M
H
z)
6
5V
7
IF
A
8
IA
G
9
IF
2
10
IF
1
11
G
N
D
12
G
N
D
13
G
N
D
14
G
N
D
15
TU703
(NXP HYBRID)
R700
0R
I2CSCLTUN_5V
I2CSDATUN_5V
R713
0R
VCC_33V
TUNER_5V
RFAGC
R706
0R
R701
0R
IF_TV
R711
0R
A/SEL
R705
0R
VCC_33V
C702
1UF/50V
C719
330pF/NC
R722
0R/NC
+
-
C718
100UF/16V/NC
R484
4K7
R483
4K7
A5V
3
4
4
3
4
3
4 3
5
5
5
6
8
7
6
DIGITAL VCO CONTROL
AFC DETECTOR
RC VCO
VIF-PLL
VIF-AGC
TUNER AGC
SUPPLY
SIF-AGC
AUDIO
PROCESSING
AND SWITCHES
NARROW-BAND
FM-PLL DEMODULATOR
SINGLE REFERENCE QSS MIXER
INTERCARRIER MIXER
AND AM DEMODULATOR
SOUND CARRIER
TRAPS
4.5 to 6.5 MHz
TAGC
CAGC(neg)
CBL
VAGC
(1)
TOP
14 (15)
VPLL
19 (21)
)
3
2
(
1
2
)
6
1
(
5
1
)
7
1
(
6
1
)
8
(
9
4 (2)
10 (9)
11 (10)
12 (11)
18 (20)
20 (22)
2 (31)
1 (30)
(18) 17
(7) 8
(3) 5
(4) 6
REF
AFC
AUD
CVBS
SIOMAD
SDA DGND
SCL
MAD
VP
CAGC
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
13
n.c.
AGND
7 (5)
OUTPUT
PORTS
I C-BUS
TRANSCEIVER
2
22 (24)
3 (1)
L
L
P
M
F
2
PO
1
P
O
DEEM
AFD
VIF2
VIF1
24 (27)
23 (26)
SIF2
SIF1
TDA9885
TDA9886
(1) Not connected for TDA9885.
3
4
5
6
7
8
Summary of Contents for 32 GLX 2500
Page 9: ...Chassis SZ GRUNDIG Service 1 9...
Page 10: ...Chassis SZ GRUNDIG Service 1 10 Chassis SZ GRUNDIG Service 1 10...
Page 12: ...Chassis SZ GRUNDIG Service 1 12...
Page 13: ...Chassis SZ GRUNDIG Service 1 13 Chassis SZ GRUNDIG Service 1 13...
Page 14: ...Chassis SZ GRUNDIG Service 1 14 Chassis SZ GRUNDIG Service 1 14...