GRUNDIG Service
Chassis KY
2 - 14
Chassisplatte / Chassis Board – SCART, VGA, CV, YUV
Chassisplatte / Chassis Board – Tuner / DVB-T2
R
VGA5V
B
VGA5V
G
VGA.VGA_VSYNC
VGA.VGA_HSYNC
VGA.
VGA.
VGA.
VGA-TX
VGA-RX
VGA-TX
VGA-RX
C655
100nF
R657
75R %1
3
1
2
D627
BAT54CW
C649
47nF
C650
47nF
R656
75R %1
C651
47nF
R655
75R %1
VCC5V
C656
1uF 6.3V
C659
33pF
R667
27K
R663
22K
C661
33pF
TP275
C657
1uF 6.3V
R664
22K
TP276
C660
33pF
R666
27K
C658
33pF
TP274
RIGHT
GND
LEFT
S605
CKX-3.5-31(3P)
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
17
16
S604
DSUB-15
TP263
TP264
TP265
TP266
TP267
TP268
TP273
TP272
TP262
TP277
1
2 D629
1
2
D628
1
2
D619 1
2
D617 1
2
D618
1
2 D620
1
2 D621
1
2
D625
1
2
D626
1
2
D622
1
2
D623
1
2
D624
VGA.VGA_RIN-
C652
47nF
VGA.VGA_GIN-
C653
47nF
VGA.VGA_BIN-
C654
47nF
VGA.VGA_SOG
R650
0R
C648
1nF
R651
33R
R652
33R
R653
33R
1
3
5
7
2
4
6
8
R665
100R
1
3
5
7
2
4
6
8
R660 100R
1
3
5
7
2
4
6
8
R662
4.7K
1
3
5
7
2
4
6
8
R661 10K
SCL
1
GND
2
SDA
3
VCC
4
WP
5
IC601
CAT24C02TDI-GT3A
TP271
TP270
TP269
UART-TX
UART-RX
UART-RX
UART-TX
EE_WP5
EE_WP5
VGA-AUL1
VGA-AUR1
VGA_SOG
VGA_RIN-
VGA_GIN-
VGA_BIN-
VGA_HSYNC
VGA_VSYNC
VGACONN
VGA
68R
R654
68R
R658
68R
R659
1
8
4*0R
RP600A
7
2
3
6
5
4
VGA-AUL1
VGA-AUR1
VGA-AU
VGA-AU
IF_AGC_1
C1034
100nF
IF_AGC_1
100NF
C1007
ANTPOWER: L- OFF, H- ON
+5V2_ST
TP180
D1000
PMEG4010EH
IFAGC
3.3V_Tun
R1013
0R
R1019
0R
C1026
100NF
IFAGC
C1006
22uF
6.3V
R1021
NC
Vout
1
GND
2
CE
3
Vin
4
EPAD
5
IC1001
XC8102AA01GR-G
C1030
100nF
C1031
100nF
240R
L1009
240R
L1010
C1029
22pF
C1025
22pF
DIF_P
DIF_N
R1020
10K
C1032
22nF
R1022
100R
L1008
270nH
C1028
NC
C1024
33pF
C1023
100nF
L1004
NC/270nH
C1012
47pF
L1005
180nH
C1020
180pF
C1013
82pF
C1011
180pF
C1016
180pF
L1003
270nH
L1006
270nH
L1007
270nH
L1002
270nH
C1004
1nF
C1008
1nF
C1002
1nF
C1001
1nF
C1000
1nF
C1010
100nF
3.3V_Tun
address=0xC0
1
3
2
T1000
BC807-40LT1G
C1003
1nF
C1009
1nF
C1005
2.2uF
R1000
2.2R
3.3V_Tun
R1008 0R
R1011 NC
R1010 10K
3.3V_Tun
TP179
XOUT_2158
R1016
0R
R1018
NC
C1033
NC/10pF
VCC3V3_FE
60R
3A
L1000
R1017
10K
TUNER_RST
R1012
100R
R1002
0R
C1027
10nF
1
3
2
4
X1000
NC/24MHz
X_2158
X_2158
TUNER_RST
FE-RST
FE-RST
C1022
100nF
C1018
100nF
TUNER_RST
R1009
0R
R1005
0R
DIF_P
DIF_N
DIFC2_P
DIFC2_N
XOUT_2158
XTALO_S2
XTALO_S2
1
2
3
4
5
6
7
8
S1000
AJ-35
OPTIONAL
ALIF_N
12
GPIO2
2
GPIO1
1
ADDR
26
SCL
4
EPAD
29
GND
19
XOUT
16
LDO_ADJ
15
RF_REF
22
XTAL_O
18
AGC1
28
GND
7
AGC2
3
RSTB
27
RF_IP
23
RF_IN
24
RF_SHLD
25
XTAL_I
17
SDA
5
ALIF_P
13
DLIF_N
9
DLIF_P
11
VDD_I
O
6
VDD_H
10
VDD_H
20
VDD_H
21
VDD_D
8
VDD_L
14
IC1000
Si2158-A20-GMR
I2C3-SCL
I2C3-SDA I2C3-SDA
I2C3-SCL
I2C3
I2C3
I2C3
-S
CL
I2C3
-S
DA
Vin
1
NC
2
Vout
3
NC
4
GND
5
CE
6
EPAD
7
IC1002
NC
250mA
OPTION
+5V2_ST
3.3V_Tun
R1001
NC
C1014
NC
PWR_SW3
PWR_SW3
8
18 17
20
19
I
ADC
Q
ADC
0 / 90
LOW-IF
FREQ
SYNTH
RF
AGC
LDO
IF
AGC
OU
TP
UT
INTERFAC
E
XOSC
XTAL_I
PGA
PGA
CONTRO
L
INTERFAC
E
XTAL_O
XOUT
AGC
ALIF
AGC
Si2158
DSP
FILTER
ANTENNA
INPUT
GPIO
3.3 V
1.8 V
LDO_ADJ
RSTB
ADDR
SCL
SDA
DLIF
XC8102
each
circuit
ON/OFF
Control
GATE
CONTROL
Current
Limit
VIN
VSS
VOUT
CE
Rdischg
CE/
8
Power on (trigger: +5V2_ST)
&
*
(
Mode: ATV
(
Mode: DTV
)