MAIN_L
MAIN_R
1 2 3 4
S409
SPEAKER
SST
250G2-V04
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
OUTP1
OUTM1
OUTM2
OUTP2
OUTP1
OUTM1
OUTM2
OUTP2
+5VGEN
1
DCAP2
2
DCAP1
3
V5D
4
AGND1
5
REF
6
OVERLOADB
7
AGND2
8
V5A
9
VP1
10
IN1
11
MUTE
12
NC
13
VP2
14
IN2
15
BIASCAP
16
AGND3
17
SLEEP
18
FAULT
19
PGND2
20
NC
21
DGND
22
NC
23
OUTP2
24
VDD2
25
VDD2
26
OUTM2
27
OUTM1
28
VDD1
29
VDD1
30
OUTP1
31
NC
32
VDDA
33
NC
34
PGND1
35
CPUMP
36
U402
TA2024
L405
100MHz Bead
L406
100MHz Bead
GND
L411
100MHz Bead
GND
R467
8K2 %1
R434
22K
R435
22K
J403
0R
J404
0R
C422
100N
L408
10uH
R466
10R
R465
10R
C250
470N
63V
C251
470N
63V
C460
CAP2.2U10V
GND
VDD
C472
CAP180U25V
C258
100N
C471
CAP180U25V
VDD
VDD
VDD
VDD
D409
D Schottky
D407
D Schottky
D408
D Schottky
D410
D Schottky
GND
GND
GND
GND
C254
1N
C255
1N
C257
1N
C256
1N
C473
100N
R437
22K
R448
22K
C493
100N
C494
100N
R425
1M
C495
1N
C499
470N
63V
C498
470N
63V
C497
470N
63V
C496
470N
63V
L409
10uH
L407
10uH
L410
10uH
C253
100N
C252
100N
1
2
C484
CAP2.2U10V
MUTE_1
+12V_AMP
C259
1U50V
C411
1U50V
R480
10K
Q410
BC848B
MUTE
GND
MUTE_1
R481
4K7
J405
0R
+5V_STBY
+12V_AMP
GND
MAIN_L
MAIN_R
MUTE_1
1
2
3
4
5
6
7
S421
MHDR1X7
MAIN_L
MAIN_R
28
29
26
28
Hauptplatte – Verstärker / Main Board – Amplifier
§
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
16
17
P401
DB15 HD_SH
VCC
8
WP
7
SCL
6
SDA
5
A0
1
A1
2
A2
3
GND
4
U400
24LC02
GND
GND
D400
1N4148
D401
1N4148
C406
100N
GND
R423
47K
R424
47K
GND
GND
R419
100R
R420
100R
R412
75R
R413
75R
R432
10K
R431
10K
GND
GND
C452
22P
C451
22P
GND
HS_PC
VS_PC
GND
R410
75R
R406
75R
R407
75R
R400
47R
R402
47R
R404
47R
C400
10N
C401
10N
C402
10N
C403
10N
C404
10N
C405
10N
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-
GND
GND
GND
GND
DDC_SDA_VGA
DDC_SCL_VGA
GND
+5V
VGA_5V
VGA_5V
GND
R429
10K
R428
10K
R430
10K
VGACON
R401
R403
84R5
C489
10N
SOG_MCSS
R426
470R
1
2
3
D402
BAV99L
1
2
3
D403
BAV99L
1
2
3
D404
BAV99L
R405
GND
GND
GND
VGA_5V
VGA_5V
VGA_5V
1
2
3
D405
BAV99L
1
2
3
D406
BAV99L
VGA_5V
VGA_5V
RED_DSUB
GREEN_DSUB
BLUE_DSUB
RED_SW
GREEN_SW
BLUE_SW
HS_DSUB
VS_DSUB
VS_SW
HS_SW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
S420
53398-1590
J410
0R
J411
0R
J412
0R
J413
0R
J414
0R
HS_SD
VS_SD
RED_SD
GREEN_SD
BLUE_SD
AUDIO_L_SD
AUDIO_R_SD
RxD
TxD
+5V_STBY
+5V_STBY
GND
GND
GND
+3.3V
1
OUT_A
2
GND
3
+3.3V
4
OUT_B
5
OUT_C
6
GND
7
OUT_D
8
+3.3V
9
GND
10
OUT_E
11
SEL
12
E1
13
E0
14
D1
15
C1
16
D0
17
C0
18
+3.3V
19
GND
20
B1
21
B0
22
A1
23
A0
24
U410
PI3V512
RED_SD
GREEN_SD
BLUE_SD
HS_SD
VS_SD
RED_DSUB
GREEN_DSUB
BLUE_DSUB
VS_DSUB
HS_DSUB
RED_SW
GREEN_SW
BLUE_SW
HS_SW
VS_SW
+3.3V
L414
10uH
C260
10U50V
C261
100N
C262
100N
C263
100N
C264
100N
GND
GND
+3.3V_RGB
GND
+3.3V_RGB
GND
GND
GND
GND
+3.3V_RGB
+3.3V_RGB
GND
GND
PC_SD_SW
C265
100N
GND
J415
0R
J416
0R
J417
0R
J418
0R
J419
0R
Hauptplatte / Main Board – VGA
•
ª
PI3V512
SEL
2
5
6
8
11
12
OUT_A
OUT_B
OUT_C
OUT_D
OUT_E
24
23
22
21
18
17
16
15
14
13
A0
A1
B0
B1
C0
D0
C1
D1
E0
E1
TA2024
MUTE
OAOUT1
OAOUT2
INV1
INV2
OUTP1
OUTM1
OUTP2
OUTM2
VDDA
+5VGEN
BIASCAP
DCAP2
DCAP1
CPUMP
10
11
20
1
33
29
26
7
19
31
28
24
27
36
2
3
15
14
12
16
18
SLEEP
5V
5V
REF
6
VDD1
PGND1
VDD1
PGND1
VDD2
VDD2
PGND2
PGND2
4
5
V5D
8
AGND1
AGND2
V5A
22
DGND
VDD1
PGND2
35
PGND1
VDD2
Processing
&
Modulation
Processing
&
Modulation
9
AGND3
17
13
NC
21
23
25
30
32
34
VDD1
VDD2
to Audio Board
p. 2-14, S421
GRUNDIG Service
Chassis L5A-26
"
…32
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