Grundig Toronto 32-7830 T, Service Manual

Page: 53 / 95

GRUNDIG Service Chassis BL (LX prime IDTV)
2 - 27
Hauptplatte – VGA-Buchse / Main Board – VGA Socket
VGA5V
VS_RGB
HSI
R
DDC_SDA
HS_RGB
G
DDC_SCL
VGA5V
VGA_RX
VGA_TX
VGA_TX
VGA_RX
RXD
TXD
B
VSI
D4
01
ML
L5
232B
5.
6V
R449
4.7K
R447
2.2K
R438 470R
1
6
2
7
3
8
4
9
5 11
12
13
14
15
10
16
17
S403
DSUB-15
D400
MLL5232B5.6V
R422 47R
R423 47R
R451
100R
3
1 2
D406
BAV99
R454
NC
D408
BAV70LT1
R435
75R
R459
10K
C441
0.1uF
R456 100R
C422 47nF
3
1 2
D407
BAV99
D4
02
ML
L5
232B
5.
6V
C426 47nF
D403
MLL5232B5.6V
R446
2.2K
NC
D404
MLL5232B
5.6V
R429 47R
C427 47nF
3
1 2
D405
BAV99
C421 47nF
R436
75R
R434
75R
C429 47nF
R458 NC
R450
100R
R428 47R
R430 47R
R452 100R
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
VCLK
7
VCC
8
IC401
24C21A
R448
4.7K
R455 100R
R427 47R
C428 47nF
NC
R460
10K/NC
C439 1nF
R453 100R
R457 NC
GIN+
GIN-
BIN+
BIN-
VS_RGB
HS_RGB
SOG
RIN+
RIN-
TXD
RXD
+5V
+5V
GND
GND
GND
GND
GND GND
GND GND
GND
GND GND
GND
+5V
SOY
PB-
PB+
Y+
PR-
PR+
Y-
C423 47nF
C417 47nF
C419 47nF
R418 47R
R419 47R
R431
75R
R426 47R
C438 1nF
R420 47R
R433
75R
C424 47nF
C418 47nF
R424 47R
C437 47nF
R437 470R
R432
75R
R425 47R
PB-
PR+
SOY
PB+
Y-
Y+
PR-
GND
SV_Y0
SV_C0
VCOM2
R417 47R
C414 47nF
R416 47R
C415 47nF
R415
47R
C416 47nF
SV_C0
SV_Y0
VCOM2
GND
VCOM1
AU_SWA
R408
10K
C409
560pF
R410
18K
R404
10K
C403
22pF
R414
18K
R405
10K
L400
68R
C413
560pF
C407
22pF
C436
0.1uF
R411
18K
C404
22pF
R421
47R
R439
75
R440 47R
C411
560pF
R406
10K
C410
560pF
C420 47nF
R412
18K
C405
22pF
C440
47nF
VCOM1
CVBS1
AU_SWA
GND
+9V_A
GND
GND GND
GND
GND
GND GND
GND
GND
GND
GND
GND GND
C406
22pF
C430
2.2uF
R413
18K
C412
560pF
C434
2.2uF
C408
560pF
R407
10K
C402
22pF
R409
18K
R403
10K
AUR2
AUL2
GND
GND GND
GND
GND
GND
C431
2.2uF
C433
2.2uF
C435
2.2uF
C432
2.2uF
AUR0
AUL0
RCA AudioInput/SPDIF
GND
PC AudioInput
X0
12
X1
14
X2
15
X3
11
Y0
1
Y1
5
Y2
2
Y3
4
EN
6
A
10
B
9
X
13
Y
3
VDD
16
VEE
7
VSS
8
IC400
HEF4052B
L401
600R FB0603
R445
220
R461
10K
C401
10n
C400
100n
R443
47
R444
75
SPDIF_OUT
GND
+3.3V
GND
T402
BC858B
T401
BC847B
GND
SPDIF
SPDIF
V410
EZJZ1V800AA V411
EZJZ1V800AA
V408
EZJZ1V800AA
1
2
3
S401
PC Audio
SVHS_Y
SVHS_C
FAV_L
FAV_R
FAV_CVBS
GND
SVHS_Y
SVHS_C
FAV_CVBS
R401
75R
R402
75R
453535R
GND
COMP_Y
COMP_PB
COMP_PR
GND
GND
SVHSC
SVHSY
COMP Input
FAV_L
FAV_R
FAV
V406
EZJZ1V800AA
V400
EZJZ1V800AA
V407
EZJZ1V800AA
V401
EZJZ1V800AA
V402
EZJZ1V800AA
V403
EZJZ1V800AA
V405
EZJZ1V800AA
V404
EZJZ1V800AA
V409
EZ
JZ
1V
800A
A
GND
GND
GND
GND
GND
GND
GND
BP1 2
BG1
1
BP2
3
BG2
1
BP3
4
BG3 1
S402A
EMBASE_PHONO_3X2
BP1
5
BG1
1
BP2
6
BG2
1
BP3
7
BG3
1
S402B
EMBASE_PHONO_3X2
Pr
Pb
Y
(White)Left
(Red)Right
(Black)SPDIF
YP bP r
SPDIF LINR IN
SIDE AV
VGA
R442 47K
COMP_L
COMP_R
T400
BC847B
GND
R441 10K
+9V_A
C442
22pF
GND
C443
22pF
C444
22pF
L402
68R
L403
68R
1
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P7
7
P8
8
P9
9
P10
10
S400
CON10
1 2
L406 68R
1 2
L407 68R
1 2
L408 68R
1 2
L404 68R
1 2
L405 68R