Grundig CUC 7851 Manual

GRUNDIG CUC 7851
Matrix
Item
Service Notes (See Notes)...........................................................Grundig G1000 Chassis
X-Ray Precautions (See Notes)...................................................Grundig G1000 Chassis
Circuit Diagram Symbols ................................................................... Grundig CUC 1982
Fault Finding Diagram ........................................................................ Grundig CUC 7861
Colour Decoder Sync PCB Diagram ................................................. Grundig CUC 7861
Control Unit PCB (with Videotext) ..................................................... Grundig CUC 7861
CRT PCB Diagram ............................................................................... Grundig CUC 7861
General Circuit Diagram ..................................................................... Grundig CUC 7861
IF Amp Diagram (alternative) ............................................................. Grundig CUC 7861
Remote Control Diagram .................................................................... Grundig CUC 6360
Socket PCB Diagram ........................................................................... Grundig CUC 7861
Tuner Diagram ..................................................................................... Grundig CUC 5301
Velocity Modulation PCB .................................................................... Grundig CUC 7861
Recommended Safety Parts
Item Part No. Description
E72 911
09246-188.31 Degaussing Coil
WW. 09246-188.71 Degaussing Coil
8300-68-696 Pict. Tube A 68 KZN 696X01
29703-291.81 Power Switch
29201-361.17 Focus and UG2 Control
R 816, R817 8766-701-027 KSW SI A 12 OHM 5% -GA
WW. = Optional
M72 795
8300-68-696 Pict. Tube A68 KZN 696X01
29201-360.11 CRT Socket
09621-113.02 Fuse Holder
29303-452.02 Mains Plug, Lower Part
29703-291.32 Power Switch
8290-991-307 Power Cable
29201-361.17 Focus and UG 2 Control
C 6001 8511-793-047 MP 3 0,47 UF 20% 250VW
C 6002 8511-793-033 MP 3 0,22 UF 20% 250VW
L 6001 29500-809.97 FUNKENTSTOERDR
R1876, R1877 8766-701-027 KSW SI A 12 OHM 5% -GA
R 6009 8311-200-010 DUO-PTC
SI 6001 8315-622-503 FS.3,15 A/T L 250V
TR6010 09032-301.02 NETZTRAFO
M72 795/9
09246-188.31 Degaussing Coil
WW. 09246-188.71 Degaussing Coil
8300-068-696 Pict. Tube A 68 KZN 696X01
09621-113.02 Fuse Holder
29303-452.02 Mains Plug, Lower Part
29703-291.32 Power Switch
C 6001 8511-793-047 MP 3 0,47 UF 20% 250VW
C 6002 8511-793-033 MP 3 0,22 UF 20% 250VW
L 6001 29500-809.97 FUNKENTSTOERDR
R1876, R1877 8766-701-027 KSW SI A 12 OHM 5% -GA
R 6009 8311-200-010 DUO-PTC
SI 6001 8315-622-503 FS.3,15 A/T L 250V
TR6010 09032-301.02 NETZTRAFO
WW. = Optional
CUC 7851 (M72 795)
29201-361.17 Focus and UG 2-Control
C 7 8531-505-221 MKT 680PF 20% 12,5KV
C 621, C 622 8600-098-238 SI-KERKO B-SS 2200PF 20%
C 665 8660-098-234 SI-KERKO B-SS 1000PF 20%
C 666 8515-912-063 FKP1 0,033UF 20% 630V
OK 637,
OK 646 8306-000-012 OPTOKOPPLER CNY 17 F1
R 503 8701-230-817 NKS 3 4,7 OHM 5% >>>RES
R 520 8705-329-071 MOW LI 0411 820 OHM 5%
Recommended Safety Parts Cont'd.
See Model Book
Item Part No.
R 525 8735-003-068
4
R 552 8700-229-009
4
R 665 8766-349-155
5
R 667 8735-002-013
5 SI 401, SI 406,
SI 411 8135-616-205
5
SI 630 8315-619-028
5
SI 671 8315-622-025
5
SI 691 8315-623-008
TR 8 29201-445.97
5
TR 410 29201-382.97
5
TR 526 29201-030.08
5
TR 651 29201-401.97
WW. 29201-453.01
5
WW. = Optional
3
5
CUC 7851 (M72 795/9)
29201-361.17
C 7 8531-505-221
C 621, C 622 8600-098-238
C 665 8660-098-234
C 666 8515-912-063
OK 637,
OK 646 8306-000-012
R 503 8701-230-817
R 520 8705-329-071
R 525 8735-003-068
R 552 8700-229-009
R 665 8766-349-155
R 667 8735-002-013
SI 401, SI 406,
SI 411 8135-616-205
SI 630 8315-619-028
SI 671 8315-622-025
SI 691 8315-623-008
TR 8 29201-445.97
TR 410 29201-382.97
TR 526 29201-030.08
TR 651 29201-401.97
WW. 29201-453.01
WW. = Optional
CUC 7851 (E72 911)
09621-113.02
C 7 8531-505-221
C 621, C 622 8600-098-238
C 665 8660-098-234
C 666 8515-912-063
C 6001 8511-793-047
C 6002 8511-793-033
L 6001 29500-809.97
OK 637 8306-000-012
OK 646 8306-000-012
R 503 8701-230-817
R 520 8705-329-071
R 525 8735-003-068
R 552 8700-329-009
R 665 8766-349-155
R 667 8735-002-013
R 6009 8311-200-010
SI 401, SI 406,
SI 411 8135-616-205
SI 630 8315-619-028
SI 671 8315-622-025
SI 691 8315-623-008
SI6001 8315-622-003
TR 8 29201-445.97
TR 410 29201-382.97
TR 526 29201-030.08
TR6010 09302-301.02
TR 651 29201-401.97
WW. 29201-453.01
WW. = Optional
1
Description
DW 0,75W 0,68 OHM 10%
KSW AX 0207-GA NB
MSW LI 0414 2,7 MOHM
DRW 2 W 0,1 OHM 10%
LOET-SI.-GR 800 MA/T
LOET-SI.-GR 1,6 A/T
LOET-SI.-GR 3,15 A/T
LOET-SI.-GR 4 A/T
FOKUSIERUEBERTRAGER
UEBERTRAGER
DIODENSPLITTRAFO KPL
SPERRWANDLERTRAFO KPL
SPERRWANDLERTRAFO KPL
Focus and UG 2-Control
MKT 680PF 20% 12,5KV
SI-KERKO B-SS 2200PF 20%
SI-KERKO B-SS 1000PF 20%
FKP1 0,033UF 20% 630V
OPTOKOPPLER CNY 17 F1
NKS 3 4,7 OHM 5% >>>RES
MOW LI 0411 820 OHM 5%
DW 0,75W 0,68 OHM 10%
KSW AX 0207-GA NB
MSW LI 0414 2,7 MOHM
DRW 2 W 0,1 OHM 10%
LOET-SI.-GR 800 MA/T
LOET-SI.-GR 1,6 A/T
LOET-SI.-GR 3,15 A/T
LOET-SI.-GR 4 A/T
FOKUSIERUEBERTRAGER
UEBERTRAGER
DIODENSPLITTRAFO KPL
SPERRWANDLERTRAFO KPL
SPERRWANDLERTRAFO KPL
Fuse Holder
MKT 680PF 20% 12,5KV
SI-KERKO B-SS 2200PF 20%
SI-KERKO B-SS 1000PF 20%
FKP1 0,033UF 20% 630V
MP 3 0,47 UF 20% 250VW
MP 3 0,22 UF 20% 250VW
FUNKENTSTOERDR.
OPTOKOPPLER CNY 17 F1
OPTOKOPPLER CNY 17F1
NKS 3 4,7 OHM 5% ROE
MOW LI 0411 820 OHM 5%
DW 0,75W 0,68 OHM 10%
KSW LI 0207-NE 2,2 OHM
MSW LI 0414 2,7 MOHM
DRW 2 W 0,1 OHM 10%
DUO-PTC
LOET-SI.-GR 800 MA/T
LOET-SI.-GR 1,6 A/T
LOET-SI.-GR 3,15 A/T
LOET-SI.-GR 4 A/T
FS.3,15 A/T L 250V
FOKUSIERUEBERTRAGER
UEBERTRAGER EF20
DIODENSPLITTRAFO KPL
NETZTRAFO
SPERRWANDLERTRAFO KPL
SPERRWANDLERTRAFO KPL
Service and Special
Hi-Fi Output: off, variable, linear
Functions
Via the Audio Menu --> Hi-Fi Output, with the
buttons, the AF at the Hi-Fi output can be:
- Switched "off" (display shows P..),
With the remote control buttons. normal operation.
- Set to "variable" (display shows PH..),
EPROM Version Number volume level for the Hi-Fi system can
The version number can be called up in the Info be changed via the TV remote control.
Menu with the "AUX" button. The index 02 of
The loud speakers in the TV receiver
the part number (19798-250.02) indicates the are switched off in this case.
EPROM version. - Set to "linear" (display shows PH..),
constant level for the Hi-Fi system.
Changing the Display Brightness
The VFD brightness is changed by pressing the
Switching Over the Sound (multi)
"AUX" --> - + buttons sequentially. Stereo, Mono, FM, NICAM, NICAM B
Via the Audio Menu --> Sound it is possible with
Programme Lock (protection against
the
unauthorised use)
decoder for the desired sound reception.
You can cancel your personal code number via
the Info Centre --> Timer --> Security Code by
Forced Mono
pressing and OK sequentially. By entering the option "MONO" or ".ONO" at the
1st, 2nd, 3rd and 4th place of the station name,
ATS Reset the stereo decoder can be made to switch over
Press and hold the "L+" button on the local to FM-mono. The "MO" option is not indicated in
keyboard while switching on with the mains the display.
button. This option activates the ATS function
next time the TV is switched on. Volume Level Matching
Via the Menu Info Centre --> Settings -->
One place/Two Place Programme Selection Volume it is possible on RF mode and Peri
Via the Menu Info Centre --> Special Functions mode to set a volume offset on each TV
--> Settings, Programme Selection can be programme position (volume level matching).
switched over between 1-9 and 1-99.
Setting the Peri Bit
Maximum Programme Number "AUX" --> " "AV".
Via the Menu Info Centre --> Special Functions With the Peri bit set, the control processor
--> Settings. When storing the channel number evaluates the switching voltage on pin 8 of the
"00" at any programme position, programme EURO-AV-socket AV1 (black) and switches the
TV receiver to this input, eg. on descrambler
selection with the buttons is limited to the
numbers lower than this position. operation.
OSD-ON/OSD-OFF All Programmes. Switching over the descrambler:
- Descrambler off
The on screen display can be switched on or off
- Descrambler on Auto (Peri bit set)
via the Menu Info Centre --> Special Functions
--> Settings --> Pict./Sound Options. When - Descrambler on Stereo (Peri bit set)
- Descrambler on Mono - L (Peri bit set)
selecting the OSD-OFF option the station
identifications and scales for the analog values - Descrambler on Mono - R (Peri bit set)
are not displayed.
Copy Function
OSD-ON/OSD-OFF Individual Programmes In operating mode:
Select first the AV signal source eg. AV1, AV2 etc.
- On: "AUX" --> "0/AV" indication "Copy on"
Note: only TVs with LED display.
- Off: "AUX" --> "0/AV" indication "Copy off"
Activate the desired station via the Menu Info
Centre --> TV Station Table and enter a decimal Copying possibilities:
point "." at the first place of the station identifi-
cation. With this setting the display can be
Scart socket,
switched off for the selected programmes.
black:
Loading the Average Values
Press and hold the "P" button on the local Scart socket,
keyboard and switch the TV on with the mains
orange:
button. In doing so the analog average values
Scart socket,
for the programmes 1-99 and AV1- AV5 are blue:
loaded in the programme memory IC840, the
Cinch socket:
AV witch-on bit is reset and the ATS bit is set.
The individual settings can be entered and S-Video socket:
stored with the remote control handset.
ATS Reset
Press and hold the "L+" button the local
In stand-by mode:
keyboard and switch the TV on with the mains
button. Select first the AV signal source eg. AV 1, AV 2 etc
- On: "AUX" --> "0/AV".Indication "Copy on".
Loading the Emergency Data (eg. after
µ
changing P IC850)
- Buttons "AUX" --> "
Connect pin 1 of the processor to chassis and
"COP" in the display.
switch the TV on with the mains button. The
Copying possibilities are the same
EPROM in the processor IC850 is loaded with:
as before
- the data set and the geometry data for
- To interrupt the copy mode, press
the IC TDA 9162
button 1 (indication AV..). to continue
- the white balance data VR, VG and VB
the copy mode, press "AUX" --> "
for the IC TDA 9162
- To cancel the copy mode press "
- the IF and AFC control voltages.
"power off".
buttons to change over the stereo
From To:
AV1 --> scart socket 2
(orange).
--> scart socket 3
(blue).
AV2 --> scart socket 3
(blue).
AV3 --> scart socket 2
(orange).
AV4 --> scart socket 2
--> scart socket 3
AV5 --> scart socket 2
(orange).
--> scart socket 3
(blue).
". Indication
".
" or