background image

1

GRUNDIG CUC 7851

Recommended Safety Parts Cont’d.

Item

Part No.

Description

Item

See ModelBook

Service Notes (See Notes)...........................................................Grundig G1000 Chassis 4

X-Ray Precautions (See Notes)...................................................Grundig G1000 Chassis 4

Circuit Diagram Symbols ................................................................... Grundig CUC 1982

5

Fault Finding Diagram ........................................................................ Grundig CUC 7861

5

Colour Decoder Sync PCB Diagram ................................................. Grundig CUC 7861

5

Control Unit PCB (with Videotext) ..................................................... Grundig CUC 7861

5

CRT PCB Diagram ............................................................................... Grundig CUC 7861

5

General Circuit Diagram ..................................................................... Grundig CUC 7861

5

IF Amp Diagram (alternative) ............................................................. Grundig CUC 7861

5

Remote Control Diagram .................................................................... Grundig CUC 6360

5

Socket PCB Diagram ........................................................................... Grundig CUC 7861

5

Tuner Diagram ..................................................................................... Grundig CUC 5301

3

Velocity Modulation PCB .................................................................... Grundig CUC 7861

5

Matrix

Recommended Safety Parts

Item

Part No.

Description

Service and Special

Functions

With the remote control buttons.

EPROM Version Number
The version number can be called up in the Info
Menu with the “AUX” button. The index 02 of
the part number (19798-250.02) indicates the
EPROM version.

Changing the Display Brightness
The VFD brightness is changed by pressing the
“AUX” --> - 

 + buttons sequentially.

Programme Lock (protection against
unauthorised use)
You can cancel your personal code number via
the Info Centre --> Timer --> Security Code by
pressing     and 

 OK sequentially.

ATS Reset
Press and hold the “L+” button on the local
keyboard while switching on with the mains
button. This option activates the ATS function
next time the TV is switched on.

One place/Two Place Programme Selection
Via the Menu Info Centre --> Special Functions
--> Settings, Programme Selection can be
switched over between 1-9 and 1-99.

Maximum Programme Number
Via the Menu Info Centre --> Special Functions
--> Settings. When storing the channel number
“00” at any programme position, programme
selection with the 

 buttons is limited to the

numbers lower than this position.

OSD-ON/OSD-OFF All Programmes.
The on screen display can be switched on or off
via the Menu Info Centre --> Special Functions
--> Settings --> Pict./Sound Options. When
selecting the OSD-OFF option the station
identifications and scales for the analog values
are not displayed.

OSD-ON/OSD-OFF Individual Programmes

Note: only TVs with LED display.

Activate the desired station via the Menu Info
Centre --> TV Station Table and enter a decimal
point “.” at the first place of the station identifi-
cation. With this setting the display can be
switched off for the selected programmes.

Loading the Average Values
Press and hold the “P” button on the local
keyboard and switch the TV on with the mains
button. In doing so the analog average values
for the programmes 1-99 and AV1- AV5 are
loaded in the programme memory IC840, the
AV witch-on bit is reset and the ATS bit is set.
The individual settings can be entered and
stored with the remote control handset.

ATS Reset
Press and hold the “L+” button the local
keyboard and switch the TV on with the mains
button.

Loading the Emergency Data (eg. after
changing 

µ

P IC850)

Connect pin 1 of the processor to chassis and
switch the TV on with the mains button. The
EPROM in the processor IC850 is loaded with:
-

the data set and the geometry data for
the IC TDA 9162

-

the white balance data VR, VG and VB
for the IC TDA 9162

-

the IF and AFC control voltages.

Hi-Fi Output: off, variable, linear

Via the Audio Menu --> Hi-Fi Output, with the   
buttons, the AF at the Hi-Fi output can be:
-

Switched “off” (display shows P..),
normal operation.

-

Set to “variable” (display shows PH..),
volume level for the Hi-Fi system can
be changed via the TV remote control.
The loud speakers in the TV receiver
are switched off in this case.

-

Set to “linear” (display shows PH..),
constant level for the Hi-Fi system.

Switching Over the Sound (multi)
Stereo, Mono, FM, NICAM, NICAM B
Via the Audio Menu --> Sound it is possible with
the 

   buttons to change over the stereo

decoder for the desired sound reception.

Forced Mono
By entering the option “MONO” or “.ONO” at the
1st, 2nd, 3rd and 4th place of the station name,
the stereo decoder can be made to switch over
to FM-mono. The “MO” option is not indicated in
the display.

Volume Level Matching
Via the Menu Info Centre --> Settings -->
Volume it is possible on RF mode and Peri
mode to set a volume offset on each TV
programme position (volume level matching).

Setting the Peri Bit
“AUX” --> “  “AV”.
With the Peri bit set, the control processor
evaluates the switching voltage on pin 8 of the
EURO-AV-socket AV1 (black) and switches the
TV receiver to this input, eg. on descrambler
operation.

Switching over the descrambler:
-

Descrambler off

-

Descrambler on Auto (Peri bit set)

-

Descrambler on Stereo (Peri bit set)

-

Descrambler on Mono - L (Peri bit set)

-

Descrambler on Mono - R (Peri bit set)

Copy Function
In operating mode:
Select first the AV signal source eg. AV1, AV2 etc.
-

On: “AUX” --> “0/AV” indication “Copy on”

-

Off: “AUX” --> “0/AV” indication “Copy off”

Copying possibilities:

From

To:

Scart socket,

AV1

--> scart socket 2

black:

(orange).

--> scart socket 3

(blue).

Scart socket,

AV2

--> scart socket 3

orange:

(blue).

Scart socket,

AV3

--> scart socket 2

blue:

(orange).

Cinch socket:

AV4

--> scart socket 2

--> scart socket 3

S-Video socket:

AV5

--> scart socket 2

(orange).

--> scart socket 3

(blue).

In stand-by mode:
Select first the AV signal source eg. AV 1, AV 2 etc

-

On: “AUX” --> “0/AV”.Indication “Copy on”.

-

Buttons “AUX” --> “ 

 “. Indication

“COP” in the display.
Copying possibilities are the same
as before

-

To interrupt the copy mode, press
button 1 (indication AV..). to continue
the copy mode, press “AUX” --> “ 

 “.

-

To cancel the copy mode press “ 

 “ or

“power off”.

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%

R 525

8735-003-068

DW 0,75W 0,68 OHM 10%

R 552

8700-229-009

KSW AX 0207-GA NB

R 665

8766-349-155

MSW LI 0414 2,7 MOHM

R 667

8735-002-013

DRW 2 W 0,1 OHM 10%

SI 401, SI 406,

SI 411

8135-616-205

LOET-SI.-GR 800 MA/T

SI 630

8315-619-028

LOET-SI.-GR 1,6 A/T

SI 671

8315-622-025

LOET-SI.-GR 3,15 A/T

SI 691

8315-623-008

LOET-SI.-GR 4 A/T

TR 8

29201-445.97

FOKUSIERUEBERTRAGER

TR 410

29201-382.97

UEBERTRAGER

TR 526

29201-030.08

DIODENSPLITTRAFO KPL

TR 651

29201-401.97

SPERRWANDLERTRAFO KPL

WW.

29201-453.01

SPERRWANDLERTRAFO KPL

WW. = Optional

CUC 7851 (M72 795/9)

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%

R 525

8735-003-068

DW 0,75W 0,68 OHM 10%

R 552

8700-229-009

KSW AX 0207-GA NB

R 665

8766-349-155

MSW LI 0414 2,7 MOHM

R 667

8735-002-013

DRW 2 W 0,1 OHM 10%

SI 401, SI 406,

SI 411

8135-616-205

LOET-SI.-GR 800 MA/T

SI 630

8315-619-028

LOET-SI.-GR 1,6 A/T

SI 671

8315-622-025

LOET-SI.-GR 3,15 A/T

SI 691

8315-623-008

LOET-SI.-GR 4 A/T

TR 8

29201-445.97

FOKUSIERUEBERTRAGER

TR 410

29201-382.97

UEBERTRAGER

TR 526

29201-030.08

DIODENSPLITTRAFO KPL

TR 651

29201-401.97

SPERRWANDLERTRAFO KPL

WW.

29201-453.01

SPERRWANDLERTRAFO KPL

WW. = Optional

CUC 7851 (E72 911)

09621-113.02

Fuse Holder

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

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.

OK 637

8306-000-012

OPTOKOPPLER CNY 17 F1

OK 646

8306-000-012

OPTOKOPPLER CNY 17F1

R 503

8701-230-817

NKS 3 4,7 OHM 5% ROE

R 520

8705-329-071

MOW LI 0411 820 OHM 5%

R 525

8735-003-068

DW 0,75W 0,68 OHM 10%

R 552

8700-329-009

KSW LI 0207-NE 2,2 OHM

R 665

8766-349-155

MSW LI 0414 2,7 MOHM

R 667

8735-002-013

DRW 2 W 0,1 OHM 10%

R 6009

8311-200-010

DUO-PTC

SI 401, SI 406,

SI 411

8135-616-205

LOET-SI.-GR 800 MA/T

SI 630

8315-619-028

LOET-SI.-GR 1,6 A/T

SI 671

8315-622-025

LOET-SI.-GR 3,15 A/T

SI 691

8315-623-008

LOET-SI.-GR 4 A/T

SI6001

8315-622-003

FS.3,15 A/T L 250V

TR 8

29201-445.97

FOKUSIERUEBERTRAGER

TR 410

29201-382.97

UEBERTRAGER EF20

TR 526

29201-030.08

DIODENSPLITTRAFO KPL

TR6010

09302-301.02

NETZTRAFO

TR 651

29201-401.97

SPERRWANDLERTRAFO KPL

WW.

29201-453.01

SPERRWANDLERTRAFO KPL

WW. = Optional

Reviews: