Platinenabbildungen und Schaltpl
ä
ne / Layout of PCBs and Circuit Diagrams
TVR 3735
…
, TVR 3740
…
, TVR 5540
…
Platinenabbildungen und Schaltpl
ä
ne / Layout of PCBs and Circuit Diagrams
TVR 3735
…
, TVR 3740
…
, TVR 5540
…
17
GRUNDIG Service
18
GRUNDIG Service
Signalchassis – TV-Steuerung / Signal Chassis – TV Control (CO)
TV
AM/FM
AFT2
TU2
TU2
TV
SW IN
IL01
SW IN
IL02
12V
TU2
FAST
SW
SPK MUTE
CANAL
+
SLOW SW
RESET
TV
TU2
DE
TV
REG SW
S SW(PA)
SCL
SDA
SECAM
-L«1
SECAM
-L«2
TV
TU2
TV /
TU2
CVBS
KEY1
KEY2
AGC
SYS D-1
SYS D-2
OSD R
OSD G
E 6V
OSD B
OSD BK
TXT
ON
(P
A405)
H. SYNC
V.
SYNC
(P
A405)
SYS CLK
IR INPUT
(P
AF01)
MON ON
(P
A406)
SPOT
(P
A901)
TV
TV
DE
TV
TV
DE
DE
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
R747
F 5
R748
B 8
R749
B 7
R750
B 7
R773
B 6
RC536 F 3
RC541 F 4
RC542 F 4
RC702 F 4
RC703 B 6
RC704 E 3
RC783 F 4
RC786 E 5
RCJ08 E 2
RCJ26 E 7
RCJ27 E 6
RCJ28 E 2
SW02
H 5
X701
E 5
C711
A 5
C718
F 2
C719
B 1
C720
H 6
C721
G 4
C722
F 6
C723
B 4
C729
E 5
CC701 G 4
CC702 F 1
CC703 B 1
CC704 B 3
CC705 B 2
CC706 H 7
CC707 F 5
CC708 F 5
CC709 F 6
CC710 F 4
CC712 B 5
CC713 B 2
CC714 B 5
CC715 B 4
CC716 B 4
CC717 F 2
CC720 E 3
CC721 B 8
CC725 E 4
CC727 E 8
CC728 E 8
CC730 B 2
CC731 B 7
CC732 B 2
D701
A 7
D702
A 7
D703
A 8
D704
A 8
D705
A 9
D706
G 5
D710
A 7
D711
A 7
I701
D 4
I702
H 4
I703
H 6
J301
B 6
L702
B 9
L703
B 5
L704
B 8
Q702
F 4
QC701 B 4
QC704 G 3
QC705 A 5
QC706 A 6
R701
B 2
R713
B 4
R728
A 4
RC705 F 8
RC706 F 8
RC707 F 8
RC711 F 8
RC712 F 8
RC715 B 2
RC717 B 5
RC722 A 8
RC723 A 7
RC724 A 7
RC725 A 8
RC726 E 4
RC727 G 2
RC729 A 4
RC730 F 7
RC731 F 7
RC732 F 7
RC733 F 7
RC734 E 1
RC735 C 1
RC736 E 2
RC737 B 2
RC739 G 2
RC740 G 4
RC744 F 6
RC745 F 2
RC774 F 3
RC775 B 4
RC776 B 6
RC777 B 5
RC778 B 5
RC780 A 6
RC781 F 8
Signalchassis – Kopfverstärker / Signal Chassis – Head Amplifier (HA)
SYNC
PB Y FM
PAL (H)
REC Y
REC C
REC H
1.1M PRE BFP
VS
VS
DC ENVELOP
COMPARATOR
HD AMP SW
V HEAD SW
PB ENV
(PY 04)
TRICK H
DE
VS
TV
B 6V
6V
VS
DE
69
70
1
2
3
4
5
6
7
1
2
3
4
5
6
7
A
B
C
D
E
F
A
B
C
D
E
F
RCY20 E 2
RCY24 B 4
RCY30 F 3
RCY33 E 3
RCY36 E 3
RCY40 E 3
RCY42 E 3
RCY83 A 5
RY60
D 4
CCN60 E 2
CCY02 B 3
CCY03 D 2
CCY04 D 3
CCY05 D 3
CCY06 D 4
CCY07 B 2
CCY19 E 3
CCY33 D 4
CCY34 D 5
CCY37 D 4
CCY44 E 3
CCY51 B 4
CCY54 B 5
CCY61 B 3
CCY89 B 5
CY07
E 4
CY17
E 2
CY72
B 2
DN07
D 5
IY04
C 5
LY01
A 2
LY13
E 3
PAY01 A 4
QCN02 E 2
QCY08 E 3
QCY11 F 2
R101
A 2
RCJ33 F 2
RCN61 E 4
RCY01 B 2
RCY10 D 5
RCY11 D 5
Record
Luminance
Chrominance
Playback
Luminance
Chrominance
Reference
Oscillograms.......28
PS.........................9
CRT ......................9
CO ......................17
HA ......................18
DE ......................19
TV.......................21
TU2.....................23
VS.......................25
TM ......................27