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GRUNDIG Service
Scaler - X1P.190
3V3AVDD
C200
C212
3V3_STBY
L200
100N
100N
10uH
C247
22U50V
3V3DVDD
C222
C213
3V3_STBY
L201
100N
100N
10uH
C248
22U50V
1V8CVDD
C232
1V8_STBY
L202
100N
10uH
C249
22U50V
1V8AVDD
C238
1V8_STBY
L203
100N
10uH
C250
22U50V
5V_STBY
SC_UPDT_CTR
5V_STBY
D200
R242
BAV99L
10K
3
CLKOUT
Q206
2N7002
5V_STBY
SC_UPDT_CTR
GND
5V_STBY
D201
BAV99L
R244
10K
3
DATA
Q205
2N7002
3V3_STBY
GND
R246
10K
1K5
Q207
BC848B
R256
IR
10K
R431
GND
1k2
J227
W_IR_VIN
0R
R431
10k / 1/16W
X1P.190R-2
5V_STBY
BOOTSTRAP CONFIGURATION
10K
R204
10K
R205
10K
R206
10K
R207
10K
R208
10K
R209
10K
R210
10K
R211
10K
R213
10K
R214
10K
R215
10K
R216
10K
R217
10K
R219
10K
R220
10K
R222
10K
R224
10K
R225
SPI FLASH
SW201
C201
C202
C203
C204
C205
C206
100N
100N
100N
100N
100N
100N
C214
C215
C216
C217
C218
C219
100N
100N
100N
100N
100N
100N
C223
C224
C225
C226
C227
C228
C229
100N
100N
100N
100N
100N
100N
100N
C233
C234
C235
C236
C237
C245
C246
100N
100N
100N
100N
100N
220P
220P
GND
R200
10K
R243
7
10K
SCL5V
7
UART_TX
UART_RX
DDC_SCL_VGA
DDC_SDA_VGA
R245
RESETQ
10K
C256
SDA5V
220N
GND
Should be close to VCT-IF
R255
IR_INV
100R
power on (trigger: +12V)
2
5V
3V3_STBY
W_IR_VIN
R258
1K
3V3_STBY
Q432
C259
BC848B
10NF
GND
LED1
IR
LED2
GND
KEYBOARD
GND
ROM_ADDR0
KEYBOARD I/F
ROM_ADDR1
ROM_ADDR2
R398
ROM_ADDR3
5V
ROM_ADDR4
27K
ROM_ADDR5
R334
MUTE
ROM_ADDR6
10K
ROM_ADDR7
ROM_ADDR8
ROM_ADDR9
ROM_ADDR10
ROM_ADDR11
ROM_ADDR12
R227
10K
ROM_ADDR13
ROM_ADDR14
GND
ROM_ADDR15
3V3DVDD
ROM_ADDR16
ROM_ADDR17
ROMCS
ROM_ADDR15
R231
3V3DVDD
10K
GND
C207
C208
C209
C210
C211
C243
100N
100N
100N
100N
100N
220P
GND
C220
C221
100N
100N
3V3DVDD
GND
C230
C231
C244
100N
100N
220P
3V3AVDD
GND
GND
3V3AVDD
C251
5V_STBY
5PF
S202
R201
10K
Y200
4
3
14.318MHz
2
C252
GND
1
MTA100_4
5PF
UART_TX
UART_RX
DDC_SCL_VGA
DDC_SDA_VGA
2
18 17 16
Optional
J232
RESETQ
0R
C253
BLUE+
10N
BLUE-
SOG_MCSS
GND
GREEN+
GREEN-
RED+
RED-
HS_PC
VS_PC
14
15
switch on with RC
2
3V3AVDD
3V3
R237
J234
J233
0R
100R
ROM_ADDR17
ROM_ADDR16
JP202
ROM_ADDR15
1
JP203
ROM_ADDR14
2
7
ROM_ADDR13
3
GND
6
ROM_ADDR12
4
5
ROM_ADDR11
5
4
ROM_ADDR10
6
3
ROM_ADDR9
7
2
ROM_ADDR8
8
GND
1
ROM_ADDR7
ROM_ADDR6
MOLCON8
MOLCON7
ROM_ADDR5
ROM_ADDR4
ROM_ADDR3
ROM_ADDR2
ROM_ADDR1
ROM_ADDR0
AMP_EN
Q302
BC848B
GND
ROMWOE
ROMWE
ROMCS
R228
R229
10K
10K
GND
C242
100N
U203
1
8
CE
VCC
10K
2
7
SO
HOLD
3
6
ROM_ADDR17
WP
SCK
4
5
ROM_ADDR16
VSS
SI
25VF040
15
SCALER
3V3DVDD
11
AVDD_LV_E_3.3
24
AVDD_LV_E_3.3
26
AVDD_lv_3.3
27
AVDD_LV_O_3.3
40
AVDD_LV_O_3.3
113
AVDD_IMB_3.3
120
AVDD_RX2_3.3
125
AVDD_RX1_3.3
130
AVDD_RX0_3.3
134
AVDD_RXC_3.3
141
AVDD_BLUE_3.3
145
AVDD_GREEN_3.3
150
AVDD_RED_3.3
154
AVDD_ADC_3.3
172
LBADC_VDD_3.3
171
AVDD_RPLL_3.3
12
AVSS_LV_E
23
AVSS_LV_E
25
AVSS_LV
28
AVSS_LV_O
39
AVSS_LV_O
115
AGND_IMB
117
AGND_RX2
122
AGND_RX1
*
127
AGND_RX0
131
AGND_RXC
144
AGND_BLUE
149
AGND_GREEN
153
AGND_RED
156
AGND_ADC
168
AGND_RPLL
177
LBADC_GND
136
GND_RXPLL
170
&
TCLK
169
XTAL
71
HOST_SCL/UART_DI
72
HOST_SDA/UART_DO
77
DDC_SCL_VGA
78
DDC_SDA_VGA
79
DDC_SCL_DVI
80
DDC_SDA_DVI
178
RESETn
142
BLUE+
143
BLUE-
146
SOG_MCSS
147
GREEN+
148
GREEN-
151
RED+
152
^
RED-
181
HSYNC/CSYNC
182
VSYNC
155
ADC_TEST/RESERVED
118
RX2+
119
RX2-
123
RX1+
124
RX1-
128
RX0+
129
RX0-
132
RXC+
133
RXC-
%
138
CLKOUT/RESERVED
250R%1
114
REXT
183
ROM_ADDR17
184
ROM_ADDR16
185
ROM_ADDR15
186
ROM_ADDR14
187
ROM_ADDR13
188
ROM_ADDR12
189
$
ROM_ADDR11
XTAL
192
ROM_ADDR10
193
ROM_ADDR9
Clock
194
Generation
ROM_ADDR8
195
Resetn
Reset CCT
ROM_ADDR7
196
Triple
ROM_ADDR6
ADC&PLL
197
Analog
ROM_ADDR5
Schmitt
198
RGB
Tri g g er
ROM_ADDR4
199
DDC2Bi
ROM_ADDR3
200
Ultra-
ROM_ADDR2
Reliable
201
DVI
DVI Rx
ROM_ADDR1
(only
202
HDCP
ROM_ADDR0
GM5221)
DDC2Bi
422 to 444
203
BT 656
ROM_DATA7
Conversion
204
ROM_DATA6
Test
Pattern
207
ROM_DATA5
Generator
208
ROM_DATA4
1
ROM_DATA3
2
ROM_DATA2
3
ROM_DATA1
4
ROM_DATA0
5
ROM_OEn
6
ROM_WEn
7
ROM_CSn
R273
10K
R265
10K
GND
3V3DVDD
SC_UPDT_CTR
R230
0R
J231
Chassis LH
1V8AVDD
1V8
£
≤
GM2221
∞
U200
GM2221_1
¡
™
Keypad Sensing
NVRAM
GPIO
Temp Sensor
3 X General-
X86
Purpose ADC
Micro-controller
Serial
GPIO
On-chip
Master
RAM / ROM
ACM-II
uv
Chroma
Adjust
ACC
Y
Luma
Shaping
Histogram
High-light Window
*DO NOT FI
R24710
R260 10
Wireless_
* FIT
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