Grundig Toronto 32-7830 T, Service Manual

Page: 56 / 95

GRUNDIG Service Chassis BL (LX prime IDTV)
2 - 30
Hauptplatte – Scart-Buchsen / Main Board – Scart Sockets
SC1_MODE
SC
AR
T_
AR
in
1
SC1_FSW
SC_CVBS2
SC2_MODE
SCART_ALin1
SC_CVBS1
SCR+
SCG+
SCB+
SCB-
SCR-
SCG-
SC_Chroma
VCOM1
AUDIO_OUT_L2
AUDIO_OUT_R2
C713
2.2uF
C735
47pF
R715 47R
R753
75R
C763
4n7
R709 47R
C729
47pF
C723 47nF
L705
1K/0603
C701
560pF
C758
100pF/NC
C731
47pF
R778
22K
C734
47pF
R767
3,3K
L704
0R/0603
L706
1K/0603
C737
47pF
L703
0R/0603
C782
10nF
R711 47R
R770
10K
R707
18K
R704
18K
2
4
6
8
10
12
14
16
18
20
1
3
5
7
9
11
13
15
17
19
21
22 23
S702
SCART2
C720 47nF
C725 47nF
C730
47pF
C762
100pF/NC
R702
10K
C733
47pF
R712 47R
R701 10K
C715 2.2uF
C757
100pF/NC
R
758
75R
C703
560pF
R708 47R
2
R780 100R
C780
1nF
R716 47R
C702
560pF
C719 47nF
C736
47pF
R779
100R
R710 47R
C700
560pF
C718 47nF
C728
47pF
C714 2.2uF
R782 75R
R717 47R
C761
100pF/NC
C760
NC
C759
NC
C721 47nF
C724 47nF
C712
2.2uF
R705
18K
R703
10K
C722 47nF
R706
18K
R785 75R
R777
22K
C732
47pF
C717 47nF
C781
1nF
R768
3,3K
2
4
6
8
10
12
14
16
18
20
1
3
5
7
9
11
13
15
17
19
21
22 23
S701
SCART1
C726 47nF
C783
10nF
R700 10K
R769
20k
C755
220pF
R714 47R
C756
220pF
C738
47pF
C764
4n7
R713 47R
SC1_FSW
SC1_MODE
SC2_MODE
AUR1
AUL1
AUL3
AUR3
SCG+
SCR+
SCB+
SC_CVBS1
SCG-
SCB-
SCR-
AUOutL2
AUOutR2
SC_Chroma
VCOM1
SC_CVBS2
AUOutR3
AUOutL3
GND
GND
GND GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
T707
BC847B
R757
470R
R774
220R
R745
47K
GND
+9V_A_SCART2
R751
8.2K
T706
BC847B
R756
470R
R773
220R
R744
47K
GND
+9V
R750
8.2K
L708
600R/100MHZ
+9V_A_SCART2
GND
C768
2u2
C767
2u2
+
C753
10uF/25V
+
C750
10uF/16V
+
C754
10uF/25V
+5V_SW
T704
BC847B
R755
470R
R772
220R
R743
47K
GND
+9V_A_SCART1
R749
8.2K
T703
BC847B
R754
470R
R771
220R
R742
47K
GND
R748
8.2K
+9V_A_SCART1
C766
2u2
C765
2u2
+
C748
10uF/25V
+
C749
10uF/16V
V7
08
EZ
JZ
1V
800A
A
V7
09
EZ
JZ
1V
800A
A
V7
00
V7
02
EZ
JZ
1V
800A
A
EZ
JZ
1V
800A
A
EZ
JZ
1V
800A
A
V7
01
V7
03
EZ
JZ
1V
800A
A
SC2_CVBS
GND
SC2_CVBS
R759
75R
R781
75R
R783
75R
R784
75R
GND
R
737
75R
V
705
EZ
JZ
1V
800A
A
V
706
EZ
JZ
1V
800A
A
V
707
EZ
JZ
1V
800A
A
V
704
EZ
JZ
1V
800A
A
GND GND GND GND
V7
11
V7
12
V7
13
V7
10
EZ
JZ
1V
800A
A
EZ
JZ
1V
800A
A
EZ
JZ
1V
800A
A
EZ
JZ
1V
800A
A
GND GND GND GND
IN1
1
GND
2
IN2
3
VDD
4
IN3
5
GND
6
IN4
7
ADDR1
8
IN5
9
ADDR0
10
IN6
11
SCL
12
IN7
13
SDA
14
IN8
15
GND
16
OUT6
17
OUT5
18
OUT4
19
VDD
20
OUT3
21
OUT2
22
OUT1
23
GND
24
IC702
FMS6502
WRITEi s0 X06
SC1_OUT
SC2_OUT
SC1_OUT
SC2_OUT
PIP_C
PIP_Y
SC2_CVBS
C772 100n
C773 100n
C774 100n
C775 100n
C776 100n
C777 100n
SC1_CVBS
SC2_Chroma
SC2_Chroma
SC2_Chroma
SC1_CVBS
SVHS_Y
SVHS_C
FAV_CVBS
DVB_CVBS
TUN_CVBS
C779 1uF
GND GND
R763
100
R764 100
I2C_SDA
I2C_SCL
PIP_CVBS
C744
100n
GND
+
C752
10uF/25V
GND
L702
600R/100MHZ
C745
100n
GND
C747
100n
GND
C751
100nF/25V
GND
C746
100n
GND
TX_Scart2
RX_Scart2
RX_Scart2
TX_Scart2
R799
100R
R798
100R
R796
4.7K
R797
4.7K
+5V
R820
360R
R819
360R
R822
0R R821
0R
GND
GND
C707
100U16V
C706
100U16V
C708
100U16V
R718
10R
R719
10R C705
100n
C704
100n
GND GND
GND GND
GND
+9V_A_SCART1
+9V_A_SCART2
R720
10R
+9V_A
R760 0R
GND
SDATA
1
SCLK
2
LRCK
3
MCLK
4
OUTR
5
GND
6
VCC
7
OUTL
8
IC500
CS4335
R508
10K
GND
R507
1k
C510
1n
R504
270K
+5V_SW
R505
270K
GND
R509
10K
R506
1k
C509
1n
C507
1uF
L500
FB
453933R
AUOutR3
AUOutL3
1
3
5
7
8
6
4
2
R500
100R
AUSD0
AUSCK
AUWS
AUMCK
15 16 19
18 17
IN1
C / B
IN2 C / B
IN8 C / B
OUT1 OUT2 OUT6
SDA
SCL
VCC (2)
GND (4)
ADDR0
ADDR1
FMS6502
LRCK
3
SDATA
1
DEM
/SCLK
2
MCLK
4
VA+
AOUTL
8
AOUTR
5
Serial Input
Interface
Interpolator
Interpolator
De-emphasis
Modulator
ΔΣ
Modulator
DAC
DAC
Voltage Reference
Analog
Low-Pass
Filter
Analog
Low-Pass
Filter
7
AGND
6
ΔΣ
CS4334/5/6/7/8/9
%
Mode: Analog TV
^
Mode: Analog TV
&
Mode: Analog TV
*
Mode: Analog TV
(
Mode: Analog TV