Grundig AMIRA 26 LW68-9410 TOP, Service Manual

Page: 11 / 48

GRUNDIG Service Chassis L6B
2 - 3
Schaltplanübersicht / Circuit Diagram Overview
SCART3_CVBS_IN
QSS_MA IN
AM _SOUND
SCART2_CVBS_IN
QSS_PIP
MA
IN
_V
PIP
_V
SCART3_CVBS_OUT
SCART2_CVBS_OUT
SC1_V_OUT
SCART1_CVBS_IN
+5V
+8V
SDA _5V
SCL_5V
TE
LE
TE
XT
_C
V
B
S
+33V_IF
Tuner
QSS_MA IN
AM _SOUND
QSS_PIP
MA
IN
_L
MA
IN
_R
MSP_RESET
S
C
1_
AU
DI
O
_
IN
_R
S
C
1_
AU
DI
O
_
IN
_L
S
C
3_
AU
DI
O
_
IN
_L
S
C
3_
AU
DI
O
_
IN
_R
S
C
2_
AU
DI
O
_
IN
_L
S
C
2_
AU
DI
O
_
IN
_R
S
C
3_
AU
DI
O
_
O
U
T
_
L
S
C
3_
AU
DI
O
_
O
U
T
_
R
S
C
2_
AU
DI
O
_
O
U
T
_
R
S
C
2_
AU
DI
O
_
O
U
T
_
L
S
C
1_
OU
T_
L
S
C
1_
OU
T_
R
+8V
+5V
SCL_5V
SDA _5V
SW
IN
Audio - MSP3410
RX
Cm
RX
Cp
RX
0m
RX
0p
RX
1p
RX
1m
RX
2p
RX
2m
GG
AI
N
GB
A
IN
GR
A
IN
GV
S
Y
N
C
GH
S
Y
N
C
GGE[7..0]
GBE[7..0]
GFBK
GCL K
AD SCDT
GBO[7..0]
GGO[7..0]
GRO[7..0]
GRE[7..0]
GVS
GHS
GPEN
+5
V
+3
.3
V
SDA
SCL
AD 9887_A
GBL
K
SPL
GC
O
A
S
T
GH
S
F
OU
T
Dual Interface AD9887
RX
Cm
RX
Cp
RX
0m
RX
0p
RX
1p
RX
1m
RX
2p
RX
2m
GG
AI
N
GB
A
IN
GR
A
IN
GV
S
Y
N
C
GH
S
Y
N
C
+5V
AD 9887_A
PC/DVI-D - Input
B
L
_ON/
OF
F
D
IGI
T
A
L
DI
M
_
OU
T
A
N
AL
OG
_D
IM
S
T
AN
D_
B
Y
_
2
S
T
AN
D_
B
Y
A
/D_
DI
M
_S
E
LE
CT
P
N
L_E
N
PA
N
E
L_
P
O
W
E
R
+5
V
+
1
2V
_A
M
P
+8
V
+3
.3
V
_S
T
B
Y
+5
V_ST
BY
+3.
3V
+
3
3V
_I
F
Spannungsversorgung
Power Supply
SCART1_CVBS_IN
SCART2_CVBS_IN
SCART3_CVBS_IN
SC1_V_OUT
SCART2_CVBS_OUT
SCART3_CVBS_OUT
S
C
1_
AU
DI
O
_
IN
_L
S
C
1_
AU
DI
O
_
IN
_R
S
C
3_
AU
DI
O
_
IN
_R
S
C
3_
AU
DI
O
_
IN
_L
SCART_FB
MA
IN
_L
MA
IN
_R
S
C
2_
AU
DI
O
_
IN
_R
SC
1_
O
U
T
_R
S
C
2_
AU
DI
O
_
IN
_L
S
C
3_
AU
DI
O
_
O
U
T
_
R
S
C
3_
AU
DI
O
_
O
U
T
_
L
S
C
2_
AU
DI
O
_
O
U
T
_
R
S
C
2_
AU
DI
O
_
O
U
T
_
L
SC
1_
O
U
T
_L
RGB_SWITCH
SCART_RED
SCART_BLUE
SCART_GREEN
LED1_O
LED2_O
IRRCVR
KPD[3..0]
SCL_5V
SDA _5V
A
M
P_
SLE
E
P
+3
.3
V
_S
T
B
Y
+5
V
+5
V
_
S
T
B
Y
+1
2V
_A
MP
MUTE
SW
IN
SCART3_CHROMA
Audio - Inputs/Outputs
12
2
3
8
7
10
6
13
11
9
5
1
4