Chassis Board – Scaler; Hdmi; Scart; Tuner - Grundig 22 XLE 3220 BA Service Manual

GRUNDIG Service
Chassisplatte / Chassis Board – Scaler
STBY PWR-ON/OFF
BRI_ADJ BRI_ADJ-PWM0
EEPROM-WP CFG-PWM1
BCKL_ON AUSD_IN
VESA R119 100R AUSCK_IN
BIT_SEL R122 100R GPIO38
PANEL_ON AUWS_IN
AU_MUTE
AU_MUTE
AUDIO_RST
AUDIO_RST
LED_R PWM2
SC1_SLOWBLANK SAR2
FAULT GPIO47
RGB_CTRL GPIO10
R123 100R
WP_WE GPIO8
MUTE_SC GPIO45

HDMI

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