Chassis Board – Scart - Grundig 22 XLE 3220 BA Service Manual

Chassisplatte / Chassis Board – SCART
Full SCART
S800
C502
SCART
NC/47pF
21 TP66
TP73
20 TP67
19 TP68
18
17
16 TP69
15
14
13
12
TP70 RX SCART
11
10 TP71 TX SCART
9
8 TP72
7
TP74
6
5
4
C512
3
NC
2
1 TP75
TP90
TP91
C519
330pF
RN502
4*1K
C525
SC1_LOUT
GND GND
C537
SC1_ROUT
C543
C529
1nF
1nF
GND GND
C500 47nF
R500
CVBS4P
33R SVIDEO Y IN
R501 C501 47nF
CVBS1P
SC CVBS IN
33R
R503
75R %1
R505 C504 47nF
VCOM0
68R
R55333R
SC1_FASTBLANK
TP79
SC1_CVBSO
TP81
R513 10K SC1_SLOWBLANK
R515
R516 R554
2.7K
150R 150R
R518 R519 R520
8
75R %1 75R %1 75R %1
RX SCART 6
TX SCART 4
2
RN500
TP88
R523
C514
12K
R524
C515
12K
C517
C516
R525 R526
C518
10K 10K
560pF
560pF
330pF
C521
GND
1uF
IC501
C536
MAX9728
RN503 4*10k
1uF
1uF
GND GND
4 12
PVss Vdd
1uF
5 11
/PD OutL
6 10
InL OutR
R540 47K
R543 47K
4*10k
RN505
MUTE_SC
PD
PD
GND
C505
R506
CVBS3P
SVIDEO C IN
33R
47nF
C506
R507
SC_RIN
33R
47nF
C508
R511
SC_GIN
33R
47nF
C510
R514
SC_BIN
33R
47nF
C511
R517
SOGIN_SC
33R
7
1nF
5 UART-RX
3 UART-TX
1
NC/4*47R
1B 1B
1C 1C
SC_LOUT
2B 2B
SC_ROUT
2C 2C
2.2uF AUR1
3B 3B
3C 3C
2.2uF AUL1 4B 4B
4C 4C
Flow Control Flow Control
N N OE_
STMAV340
S
+Aud_Vcc
D500
TP76
+5V2_STBY
PMEG2020EH
C523
1uF
GND
RN504 1K
SC_LOUT
SC_ROUT
C544
C530
4.7nF
4.7nF
GND GND
12 5 6
(2) (8) (9)
V DD INL MAX9728A
SHDN
V DD
ON
11
OUTL
OFF
(1)
SV SS
C1P
1
CLICK-AND-POP
(3)
SUPPRESSION
V DD
10
OUTR
C1N
3 (14)
(5) SGND
SV SS
PV SS PGND SV SS
SGND INR
4 2 7 8 9
(7) (4) (10) (11) (12)
L500
VCC5V
300R/100MHz
C503
R504
1uF
100k
CVBS_OUT0 2
C507 4.7uF
R508
39K
R521
Switch Scart RGB/YPbPr
IC500
STMAV340
C513
100nF
A A 1 1
SC_RIN 1 16 GND
1B VCC
PR_IN 2 15
1C OE_N
3 14
SC_GIN R522
A A 2 2
2B S
4 13
Y_IN
2C 1A
SC_BIN 5 12
3B 2A
PB_IN 6 11
A A 3 3
3C 3A
SOGIN_SC 7 10
4B 4A
8 9
SOY
4C GND
A A 4 4
GND
8 7
6 5
4 3
2 1
RN501 NC/4*47R
R527
68R
1
Y-IN
Y (Green) C528
TP77
R537
2
75R%1
10pF
3
Pb-IN
Pb (Blue) C532
TP78
R539
4
75R%1
10pF
5 Pr-IN
Pr (Red) C534
TP80
R542
6
75R%1
S500
10pF
CON_CHINCH
S501
1 COMP_LIN
L C540 R548
TP82 27K
White 2
22K R549
10pF
3 COMP_RIN
C545 R551
TP83 27K
R 2
Red TP84 R552
CON_RCA2 22K
10pF
Dragoncity: RS229A-03
GND
R502
470R
5
T500
BC847BPDW1T1
R509 R510
SC1_CVBSO
75R 75R %1
R512 C509
75R%1 NC
0R
VCC5V
100R RGB_CTRL
RIN2
GIN2P
BIN2
SOGIN2
RGB-CTRL Low Scart
RGB-CTRL Hi Component
C520
GIN2M
47nF
C522
R530
CVBS2P
33R AV CVBS IN
47nF
C524
R531
SOY
33R
1nF
C527
R535
Y_IN
33R
47nF
C531
R538
PB_IN
33R
47nF
C533
R541
PR_IN
33R
47nF
C538
AUL3
C541
2.2uF
C542
560pF
AUR3
C546
2.2uF
560pF