GRUNDIG Service
Chassis U2
2 - 13
Chassisplatte / Chassis Board – Scaler
TAGC
AUWS
AUMCKO
AUSCK
AUMCKO
AUSCK
BRI_ADJ-PWM0
CFG-PWM1
CVBS_OUT0
HDMI-CEC
HDMI1-ARC
AUR0
AUR1
AUL1
AUVRP
AUVRM
AUVAG
Close to IC
with width trace
AUSD0
FLASH_CLK
FLASH_SDI
FLASH_CSA
FLASH_SDO
1
3
5
7
2
4
6
8
RN116
4*47R
SPI-SCK
SPI-SDI
SPI-SDO
SPI_CS0N
FLASH_CSA
FLASH_SDO
FLASH_SDI
FLASH_CLK
C108
100nF
R113
NC/22k
R112
10K
FLASH_WP TP6
DO
2
WP#
3
CS#
1
VSS
4
DI
5
CLK
6
HOLD#
7
VCC
8
IC101
W25Q32BVSSIG
TP4
TP5
TP2
TP3
R114
47R
FLASH_WP
SPI_WP0N
C109
NC/1UF
R111
10K
I2C address
at A4.
IC Configuration Selection
C102
10uF
C105
10uF
C103
100nF
C104
100nF
L100
HZ0402B102R-10
HDMI-RXA0N
HDMI-RXA0P
HDMI-RXA1N
HDMI-RXA1P
HDMI-RXA2N
HDMI-RXA2P
HDMIA-CLKN
HDMIA-CLKP
HPD_CTRL_A
HDMIA-SDA
HDMIA-SCL
BIN0
GIN0M
GIN0P
SOGIN0
RIN0
HS_VGA
VS_VGA
HDMI
VGA
C148
3.3nF
C136
3.3nF
C137
3.3nF
C147
3.3nF
R120
220k
R121
220k
R118
220k
R117
220k
SC1_LOUT
SC1_ROUT
HP_RIGHT
HP_LEFT
1
3
5
7
2
4
6
8 RN118 4*47R
AUDIO OUT
7
5
3
1
8
6
4
2
R103
4*4.7K
7531
8642
R106
4*100R
TUNER_SCL
TUNER_SDA
TGPIO2
TGPIO3
VCC3.3V
I2S to Pow Amp
C107
20PF
R109
1M
X100
24MHz
C106
20PF
R108
470R
XTALI
XTALO
CL=20pF ; C0max=5pF
System XTAL
C135
100nF
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
IC103
M24C32
EEPROM
MI2C-SCL
MI2C-SDA
EEPROM-WP
I2C address
at A0.
VCC3.3V
C128
100nF
C127
22nF
VCC5V
RF_AGC_A
1
3
5
7
2
4
6
8
RN117
4*4.7k
Close to SOC
AVDD33
AVDD_DMPLL
+3.3V_STBY
C110
1uF
TP7
TP9
C119
100nF
L105
HZ0402B102R-10
C111
100nF
C112
100nF
VCC3.3V
L101
HZ0402B102R-10
L103
HZ0402B102R-10
L108
HZ0402B102R-10
L111
HZ0402B102R-10
C129
100nF
C138
100nF
C142
100nF
VDDP
C130
100nF
C131
100nF
AVDD_AU33
AVDD_PLL
C143
100nF
VCC2.5V
L102
HZ0402B102R-10
AVDD_DDR
C114
100nF
C115
100nF
C116
100nF
C117
100nF
C113
1uF
TP8
L104
HZ0402B102R-10
C121
100nF
C120
1uF
TP10
AVDD_MOD
L106
HZ0402B102R-10
C133
100nF
AVDD_25
AVDD_REF
C132
1uF
L109
HZ0402B102R-10
C140
100nF
C139
1uF
L112
HZ0402B102R-10
C145
100nF
C144
100nF
AVDD_AU25
L113
HZ0402B102R-10
AVDD_PGA
PGA_COM
+1.2V
C122
100nF
C123
100nF
C124
100nF
C125
100nF
VDDC
C126
100nF
L107
HZ0402B102R-10
C134
100nF
AVDD126
L110
HZ0402B102R-10
C141
100nF
DVDD_DDR
BYPASS
C146
1uF
To HPfone
To Scart
Tuner IIC
Audio
CVBS1P
CVBS2P
CVBS3P
CVBS4P
SC CVBS IN
AV CVBS IN
SVIDEO C IN
SVIDEO Y IN
SC CVBS OUT
VCOM0
Video
RIN2
SOGIN2
GIN2P
BIN2
RGB/Component
PC IN
PC IN
COMP/AV IN
AUR3
AUL3
SC IN
SC IN
COMP/AV IN
AUDIO IN
AUWS_IN
AUSD_IN
AUSCK_IN
AU_MUTE
PANEL_ON
BCKL_ON
CFG-PWM1
EEPROM-WP
BRI_ADJ-PWM0
BRI_ADJ
PWR-ON/OFF
STBY
AUDIO_RST
VESA
BIT_SEL
PWM2
SAR2
SC1_SLOWBLANK
R123
100R
R119
100R
R122
100R
FAULT
RGB_CTRL
WP_WE
GPIO10
GPIO8
AV-AUOUTR3
AMP-AUOUTR0
AV-AUOUTL3
AMP-AUOUTL0
LED_R
+3.3V_STBY
DO
2
WP#
3
CS#
1
VSS
4
DI
5
CLK
6
HOLD#
7
VCC
8
IC105
W25X16
FLASH_CSA
FLASH_SDO
K
L
C
_
H
S
A
L
F
P
W
_
H
S
A
L
F
FLASH_SDI
MUTE_SC
GPIO45
C118
100nF
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
IC102
M24C32
EEPROM
7531
8642
R116
4*100R
7
5
3
1
8
6
4
2
R115
4*4.7K
MI2C-SCL
MI2C-SDA
EEPROM-WP
VCC3.3V
TP11
TP12
TP13
GIN2M
GPIO38
R105
4.7K
R110
4.7K
R127
4.7K
R128
4.7K
AUL0
AUR0
AUL0
AUR1
AUL1
AUR3
AUL3
SOGIN2
GIN2M
BIN2
GIN2P
RIN2
HS_VGA
VS_VGA
RIN0
BIN0
SOGIN0
GIN0P
GIN0M
HPD_CTRL_A
HDMI-CEC
HDMIA-SCL
HDMIA-SDA
HDMIA-CLKP
HDMIA-CLKN
HDMI-RXA0P
HDMI-RXA0N
HDMI-RXA1N
HDMI-RXA2N
HDMI-RXA2P
HDMI-RXA1P
HDMI1-ARC
AUMCKO
AUSCK
AUSD0
AUWS
CVBS_OUT0
CVBS1P
CVBS2P
CVBS3P
CVBS4P
VCOM0
AU_MUTE
AUDIO_RST
GPIO47
L114
HZ0402B102R-10
C149
100nF
C100
1uF
R135
2K
T100
BC847B
GND
R133
10K
R130
18K
R132
10K
7531
8642
R134
4*10k
1
3
2
IC106
AP432SRG-7
C150
NC/1uF
GND
+5V2_STBY
+3.3V_STBY
R129
10K
+24V
R131
1K
+12V
FAU
LT_1
FAULT_1: Hi - Normal ; Low - Panel error
Panel monitoring
OPTION
/ NC
