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GRUNDIG Service
power on (trigger: +12V)
3
CVDD_1.8
U500
GM5221
10
VCO_LV/RESERVED
13
CH3P_LV_E/ER0
14
CH3N_LV_E/ER1
15
CLKP_LV_E/ER2
16
CLKN_LV_E/ER3
17
CH2P_LV_E/ER4
18
CH2N_LV_E/ER5
19
CH1P_LV_E/ER6
20
CH1N_LV_E/ER7
21
CH0P_LV_E/EG0
22
CH0N_LV_E/EG1
29
CH3P_LV_O/EG2
30
CH3N_LV_O/EG3
31
CLKP_LV_O/EG4
32
CLKN_LV_O/EG5
33
CH2P_LV_O/EG6
34
CH2N_LV_O/EG7
35
CH1P_LV_O/EB0
36
CH1N_LV_O/EB1
37
CH0P_LV_O/EB2
38
CH0N_LV_O/EB3
43
EB4
44
EB5
45
EB6
46
EB7
56
OR0/JTAG_RESET
57
OR1/RESERVED
58
OR2/RESERVED
59
OR3/RESERVED
60
OR4/RESERVED
61
OR5/RESERVED
62
OR6/RESERVED
63
OR7/RESERVED
64
OG0/JTAG_TDO
65
OG1/RESERVED
66
OG5/JTAG_TDI
47
DEN
48
DHS
49
DVS
55
DCLK
67
PPWR
68
PBIAS
81
GPIO0
82
GPIO1
83
GPIO2
84
GPIO3
85
GPIO4
88
GPIO5
89
GPIO6
90
IR_INV
GPIO7/IRQin
91
R546
GPIO8/IRQout
92
GPIO9/SCL
93
GPIO10/SDA
5 4
98
GPIO11/PWM0
99
GPIO12/PWM1
100
GPIO13/PWM2
101
GPIO14/PWM3
69
GPIO15
167
RESERVED/VBUFC_RPLL
135
VBUFC_DVI/RESERVED
70
STI_TM2/RESERVED
206
CRVSS
191
CRVSS
180
CRVSS
140
CRVSS
97
CRVSS
94
CRVSS
76
CRVSS
74
CRVSS
51
CRVSS
42
CVSS
8
CRVSS
87
CRVSS
165
GND_RPLL
163
GND_ADC
173
LBADC_IN1
174
LBADC_IN2
175
LBADC_IN3
176
LBADC_RETURN
VCLK
YUV[0..7]
GND
switch on with RC (trigger: +5V)
3
31
32
J512
TXE_3+
0R
TXE_3-
J513
0R
J514
TXCLKE+
30
0R
TXCLKE-
J515
0R
TXE_2+
J516
0R
TXE_2-
31
J517
0R
TXE_1+
J518
0R
J519
TXE_1-
0R
32
TXE_0+
J520
0R
J521
TXE_0-
0R
20
21
DE
HS
VS
22
R500
CLK
47R
19
PNL_EN
BLK_EN
R501
PC_SD_SW
100R
PC_SD_SW
PANEL_CONTROL
LED_RED
3. LED
ST_BY
STAND_BY_2A
+3.3V_STBY
100R
FB_SC
+5V_STBY
SCL3V
SDA3V
R538
R548
BRT_ADJ
4K7
4K7
2.LED
5221_IO1
KEYBOARD
5221_IO2
RESET
MUTE
R511
Q500
10K
BC848B
GND
J505
RESET
0R
3
GND
SC1_PIN8
SC2_PIN8
GND
U502
1
8
A0
VCC
+3.3V_STBY
2
7
A1
WP
GND
R502
3
6
SCL3V
A2
SCL
4
5
GND
SDA
100R
24C16
R503
SDA3V
100R
4
5
+5V
PANEL_POWER
GND
TXE_0-
TXE_0+
TXE_1-
TXE_2-
TXE_1+
TXE_2+
GND
TXCLKE-
TXE_3-
TXCLKE+
TXE_3+
GND
J550
0R
HS
0R
J553
VS
J551
0R
J554
0R
GND
DE
J555
0R
J552
0R
GND
+3.3V
R580
4K7
J556
PANEL_CONTROL
0R
J500
0R
+3.3V_STBY
R542
10K
R545
100R
R547
Q506
IR
BC848B
10K
+5V +3.3V
GND
J536
J537
0R
0R
R549
+3.3V_STBY
100R
S509
S507
1
2
7
GND
3
6
4
5
IR
5
4
6
3
7
2
GND
8
1
MOLCON8
MOLCON7
to IR Receiver/Keyboard
p. 2-15, CN2
+5V
R553
4K7
R552
10K
+5V
GND
R530
3.3V_AVDD
1K
R531
Q503
BRT_ADJ
BC848BLT1
1K
GND
+5V
R533
4
Q505
BLK_EN
BC848B
1K
5
GND
2 - 13
6
S502
30
(
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
¡
13
12
11
10
9
8
7
6
5
4
3
2
1
to Display
º
IR_INV
+5V
R551
4K7
STAND_BY_2
STAND_BY_2
R550
Q507
STAND_BY_2A
BC848CLT1
1K
GND
J504
0R
SCL5V
SCL5V
Q501
6
2N7002
R534
3K3
+5V_STBY
R537
10K
Q502
2N7002
SDA5V
SDA5V
J506
7
0R
J501
0R
R540
R541
2K
470R
C541
C536
22U
100N
+24V_INVERTER
GND
GND
+5V
R528
10K
R529
10K
R532
Q504
BC848B
1K
GND
J509
0R
Chassis
L5A-26"...32"
7
)
™
⁄
¤
SCL3V
4
R535
3K3
+3.3V_STBY
R536
10K
SDA3V
5
+24V_INVERTER
1
2
3
4
5
GND
6
7
8
9
10
11
12
to Inverter Board
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