Grundig Vision 7 Service Manual

GRUNDIG Service Chassis SG
2 - 5
SDA_TUNER
SCL_TUNER
AGC_AN
AS
SCL_TUNER
SDA_TUNER
IF_AGC
SIF_OUT
SDA_T
SCL_T
AS
SDA_T
SCL_T
RFAGC_HYBR
IF_AN
IF_AN
IF_D-
IF_D+
AS
SCL_T
SDA_T
IF_AGC
PORT
PORT
SIF_OUT
IF_AN
SDA_COFDM
SCL_COFDM
SCL5V
SDA5V
SCL5V
SDA5V
SCL5V
SDA5VRFAGC
AGC_AN
RFAGC
RFAGC_HYBR
RFAGC_HYBR
AN/DIG
AN/DIG
SCL5V SCL_TUNER
SDA_TUNERSDA5V
RFAGC RFAGC_HYBR
SIF_M
SIF_P
SCL_MAIN
SDA_MAIN
ANTPOWER
AUMONO
CVBS_RF
5V_SW
5V_SW
5V_SW
5V_SW
5V_IF
3V3_SW
5V_SW
33V
5V_TUNER
5V_TUNER
5V_TUNER
5V_IFDEMOD
5V_IFDEMOD
5V_IF5V_IFDEMOD
5V_IFDEMOD
5V_IFDEMOD
5V_IF
5V_SW
5V_SW
5V_IF
On digital mode only COFDM accesses tuner
the AN/DIG signal is 0V
On analog mode COFDM sleeps,
AN/DIG is 3v3
THOMPSON Tuner Option
R604
15R/603
C645 390pF/50V
R603
15R/603
R639
100k/603
R671
1k
Q606
BC847BL
C657
22pF
C651
100nF
Q605
2N7002/SOT
L607
NC(1uH/805_ALT)
R651
NC(820R)
TUN600
DTT75407
ANT_PWR
1
RAGC
2
I2CAS
3
SCL
4
SDA
5
GPO
6
VCC
7
IF_AN
8
IF_AGC
9
IF_DIG1
10
IF_DIG2
11
12
13
14
15
C661
100nF/25V
C658
100nF
R673 10k
R642
100R
R605
0R/603
L603
10uH/805
R645
NC(820R)
R652
NC(820R)
C666
10nF
C656 22pF
Y601
4MHz
C670
1nF/50V
R610
100R/603
R679
0R
R646 0R
R649 0R
R665
220k/603
R650
0R
Q600
BC857BL
R658 0R/603
Q607
NC(BC847BL)
C639
10nF
C672
47pF
R648
10k
R654
0R/603
C650 0R/CAP
R677 100R
U601
TDA9886TS
VIF1
1
VIF2
2
OP1
3
FMPLL
4
DEEM
5
AFD
6
DGND
7
AUD
8
TOP
9
SDA
10
SCL
11
SIOMAD
12
N.C.
13
TAGC
14
REF
15
VAGC
16
CVBS
17
AGND
18
VPLL
19
VP
20
AFC
21
OP2
22
SIF1
23
SIF2
24
R608
10k/603
C637
100uF/16V
SAW601
K3958D
IN1
1
IN2
2
GND
3
4
OUT1
OUT2
5
D600
BA591
R614
100R
C664
10uF/25V
R641 1k
C638
220nF/16V
Q601
BC857BL
C610
1uF/10V
Q604
2N7002/SOT
R678 100R
R655
0R/603
R663
12k
SAW600
K9656M
IN1
1
IN2
2
GND
3
4
OUT1
OUT2
5
R612
100R/603
C644
100nF/25V
R644100R
R643
NC(10R/603)
R606 0R/603
C659
100pF
C646 10nF
R666
680k/603
TA1318AF
TUN601
APW
1
RAG
2
CAS
3
SCL
4
SDA
5
GPO
6
VCC
7
IFA
8
IAG
9
IF2
10
IF1
11
GND
15
GND
14
GND
13
GND
12
C628
10nF/50V
C640 470nF/10V
R674 1k
R657 0R/603
R647 10k
TU601
ENV57K23G3F
AGC
1
NC1
2
AS
3
SCL
4
SDA
5
5V(4MHz)
6
5V
7
NC2
8
33V
9
NC3
10
IFout
11
GND1
12
GND2
13
GND3
14
GND4
15
C671
470uF/10V
R632
2.7k
C667
100nF
L608
600R Bead 0603
C609
10nF/50V
U602
74HC4053
2Y1
1
2Y0
2
3Y1
3
3Z
4
3Y0
5
E
6
VEE
7
GND
8
S3
9
S2
10
S1
11
1Y0
12
1Y1
13
1Z
14
2Z
15
VCC
16
Q602
BC847BL
R667 5.6k/603
L610
600R Bead 0603
R628 100R
R636
22k
R607
10k/603
R672
1k
C612
470uF/10V
R653
0R
R637
2.7k
R635 100R
C614
100nF/50V
R659
0R/603
C647 10nF
C663 470nF/10V
R613
1k/603
R627 100R
R638 330R/603
R634
6.8k
C611
100nF/25V
L609
NC(1uH/805)
C665
47uF/16V
R656 0R/603
R675 1k
C668
100nF
R676100R/603
C643 1.5nF/50V
C648
NC(100nF)
R629
NC(603)
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
C
AGC(neg)
C
BL
VAGC
TOP
14
VPLL
19
12 51619
410
11
12 1820
2
1
17
8
5
6
REF AFC
AUD
CVBS
SIOMADSDASCL
MAD
V
P
C
AGC
13
n.c.AGND
7
DGND
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
22
3
LL
P
M
F
2PO1PO
DEEM
AFD
VIF2
VIF1
24
23
SIF2
SIF1
TDA9885
TDA9886
74HC4053
LOGIC
LEVEL
CONVERSION
11
16
V
CC
13 1Y1
S1
DECODER
12 1Y0
14 1Z
1 2Y1
2 2Y0
15 2Z
3 3Y1
5 3Y0
4 3Z
10S2
9
8 7
GND V
EE
S3
6
E
4
3
2
2
1
2
2
1
6
6
1
1
1
2
3 4 6
Chassis - Tuner
Vorabversion
Preliminary Version

Grundig Vision 7 Specifications

General

Brand	Grundig
Model	Vision 7
Category	TV
Language	English