GRUNDIG
CUC 2033 – GRUNDIG CUC 2032 - Service Mode - Alignment
Hotel Mode
Activating the Hotel Mode
Call up the dialog line "Hotel" with button "6" via "DIALOG CENTER" –> "SERVICE" –> Service Code "8500".
With activated "Hotel Mode":
- it is no longer possible to call up the "DIALOG CENTER" menu with button "6".
- the last volume setting is stored as the maximum level possible.
Deactivating the Hotel Mode
Depress and hold button "i" on the remote control handset while switching the TV set on with the mains switch. Under the "SERVICE" menu switch the Hotel Mode off.
Deactivating the Protection Circuit
Depress and hold button "6" on the remote control handset while witching the TV set on with the mains switch. As long as the Service menu is displayed the protection circuit of the TV set is not evaluated on video processor IC34015-(50).
Call up the dialog line "Hotel" with button "6" via "DIALOG CENTER" –> "SERVICE" –> Service Code "8500".
With activated "Hotel Mode":
- it is no longer possible to call up the "DIALOG CENTER" menu with button "6".
- the last volume setting is stored as the maximum level possible.
Deactivating the Hotel Mode
Depress and hold button "i" on the remote control handset while switching the TV set on with the mains switch. Under the "SERVICE" menu switch the Hotel Mode off.
Deactivating the Protection Circuit
Depress and hold button "6" on the remote control handset while witching the TV set on with the mains switch. As long as the Service menu is displayed the protection circuit of the TV set is not evaluated on video processor IC34015-(50).
Setting the Analog Values
The analog values are stored
automatically:
after about 8 seconds,
on switching to Standby mode,
on switching over from TV to AV mode,
on changing the individual AV settings.
after about 8 seconds,
on switching to Standby mode,
on switching over from TV to AV mode,
on changing the individual AV settings.
Having stored the minimum volume
level the volume indicator bar is displayed for about 10 seconds when switching
the TV receiver on. With "AUX"
–> "OK" it is possible to re-set the optimum values for picture
and sound.
The optimum values are read out from EEPROM IC82005.
The optimum values are read out from EEPROM IC82005.
Audio / Video Connectors
Re-recording possibilities:
AV 1 –> AV 2 (EURO-AV1 –> EURO-AV2 with 2 AV sockets)
AV 2 –> AV 1 (EURO-AV2 –> EURO-AV1 with 2 AV sockets)
AV 3 –> AV 1, AV2 (Camera –> EURO-AV1,2 with 2 AV sockets)
AV 2 –> AV 1 (Camera –> EURO-AV with 1 AV socket)
Re-recording is activated automatically by selecting button "0/AV" of the source.
Securing a re-recording:
A re-recording is secured by selecting the source with button "0 /AV" –> button "AUX" –> button "0/AV", indication "copy on". The program can be changed. The securing function can be cancelled by repeating this sequence: "Copying off".
Notes:
- Should all video signal paths be in use on selection of AV because Copy is active for example, this situation is identified and the TV switches over to the next technically possible AV position.
- On selection of the country Italy in the menu, an AV-RGB signal with blanking signal (Pin 16) has priority.
- The blue screen background does not appear in all AV settings.
Re-recording possibilities:
AV 1 –> AV 2 (EURO-AV1 –> EURO-AV2 with 2 AV sockets)
AV 2 –> AV 1 (EURO-AV2 –> EURO-AV1 with 2 AV sockets)
AV 3 –> AV 1, AV2 (Camera –> EURO-AV1,2 with 2 AV sockets)
AV 2 –> AV 1 (Camera –> EURO-AV with 1 AV socket)
Re-recording is activated automatically by selecting button "0/AV" of the source.
Securing a re-recording:
A re-recording is secured by selecting the source with button "0 /AV" –> button "AUX" –> button "0/AV", indication "copy on". The program can be changed. The securing function can be cancelled by repeating this sequence: "Copying off".
Notes:
- Should all video signal paths be in use on selection of AV because Copy is active for example, this situation is identified and the TV switches over to the next technically possible AV position.
- On selection of the country Italy in the menu, an AV-RGB signal with blanking signal (Pin 16) has priority.
- The blue screen background does not appear in all AV settings.
Changing the Picture Format
In AV mode, the picture format can be switched over with remote control button " " in dependence of the size of the picture tube.
The picture formate is changed between 4:3 and 16:9 in AV mode and on the program position with Peribit.
This status is indicated by the switching voltage applied to pin 8 of the AV 1 and AV 2 socket.
- 4:3 format 12V
- 16:9 format 6V
Necessary for 16:9 camcorder playback to compensate for the vertical extension because supply of the 16:9 switching voltage is not provided.
In AV mode, the picture format can be switched over with remote control button " " in dependence of the size of the picture tube.
The picture formate is changed between 4:3 and 16:9 in AV mode and on the program position with Peribit.
This status is indicated by the switching voltage applied to pin 8 of the AV 1 and AV 2 socket.
- 4:3 format 12V
- 16:9 format 6V
Necessary for 16:9 camcorder playback to compensate for the vertical extension because supply of the 16:9 switching voltage is not provided.
1. After any repair or replacement of
NVM (IC82005) check whether the NTSC 3.58MHz quartz is fitted. If it is not,
the dialog line "NTSC 3,6" in the Service Menu must be set to "off".
Button "i" –> "OK" –> "SERVICE" –> "OK" –> Service Code "8500" –> NTSC 3,6 "off" and in dialog line "End" store the setting "with mem.".
2. When no SAT Receiver (SER 250) is built in, SAT in the Service Menu is to be set to "off".
Button "6" –> "OK" –> "SERVICE" –> "OK", select dialog line "SAT" and switch to "off".
All adjustment controls not mentioned in this description are pre-set at the factory and must not be re-adjusted in the case of repairs.
Button "i" –> "OK" –> "SERVICE" –> "OK" –> Service Code "8500" –> NTSC 3,6 "off" and in dialog line "End" store the setting "with mem.".
2. When no SAT Receiver (SER 250) is built in, SAT in the Service Menu is to be set to "off".
Button "6" –> "OK" –> "SERVICE" –> "OK", select dialog line "SAT" and switch to "off".
All adjustment controls not mentioned in this description are pre-set at the factory and must not be re-adjusted in the case of repairs.
Service works after replacement or
repair of the following modules:
- Power supply: alignment 1
- Tuner: alignment 2
- NVM IC82005: alignment 2…8, 11
- Horizontal and vertical deflection and replaced picture tube: alignment 10…12
- Bridge Coil L53074: only necessary in the case of inexpert manipulation of the horizontal deflection: alignment 9
- Power supply: alignment 1
- Tuner: alignment 2
- NVM IC82005: alignment 2…8, 11
- Horizontal and vertical deflection and replaced picture tube: alignment 10…12
- Bridge Coil L53074: only necessary in the case of inexpert manipulation of the horizontal deflection: alignment 9
SMPS & DEFLECTION CIRCUIT DIAGRAM
Service Menu
Call up the Service Menu with button "i" via
"DIALOG CENTER" –> "SERVICE" –> Service Code .
Having entered the code number "8500" the dealer can change the following settings under menu guide:
- GEOMETRY
- WHITE ADJUSTMENT
- AGC
- OSD horizontal
- OSD vertical
- Hotel
- Tube
- Cut-off align
- Over scan
- NTSC 3,6
Having entered the code number "8500" the dealer can change the following settings under menu guide:
- GEOMETRY
- WHITE ADJUSTMENT
- AGC
- OSD horizontal
- OSD vertical
- Hotel
- Tube
- Cut-off align
- Over scan
- NTSC 3,6
1. +A voltage => This voltage must be checked and re-adjusted if
necessary after every repair and before every alignment. Brightness:
Minimum. Digital voltmeter: Cathode
D61016. = Adjust R60037 or R61313 on the power supply circuit diagram.
2. Tuner AGC => Spectrum
analyzer or RF mill voltmeter symmetrical to tuner contact 10, 11.
Feed in a standard test pattern or generator via the aerial, 70…80dBµV.
Call up the dialog line "AGC" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500".
Feed in a standard test pattern or generator via the aerial, 70…80dBµV.
Call up the dialog line "AGC" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500".
Adjust 102dBuV (360mVpp) with
button "V -" or "+ V ".
Alternatively, without using a spectrum analyzer or RF mill voltmeter, adjust the picture with button "V-" or "+ C " so that noise just appears on the screen. Then reset until the picture is again free of noise.
Dialog line "End", terminate "with mem".
Alternatively, without using a spectrum analyzer or RF mill voltmeter, adjust the picture with button "V-" or "+ C " so that noise just appears on the screen. Then reset until the picture is again free of noise.
Dialog line "End", terminate "with mem".
3. OSD => Call up the dialog
line "OSD" via "i" (DIALOG CENTER) –> "OK"
–> SERVICE –> "OK" –> Service Code "8500".
With button "V -" or
"+ V " position the menu in the middle of the picture.
Dialog line "End", terminate "with mem.".
Dialog line "End", terminate "with mem.".
4. Tube (Type of pictu With button
"V -" or "+ V " enter the correct screen diagonal.
Dialog line "End", terminate "with mem.".re tube) => Call up the dialog line "Tube" via "i" (DIALOG CENTER) –>"OK" –> SERVICE –> "OK" –> Service Code "8500".
Dialog line "End", terminate "with mem.".re tube) => Call up the dialog line "Tube" via "i" (DIALOG CENTER) –>"OK" –> SERVICE –> "OK" –> Service Code "8500".
5. Over scan => Only with IC
TDA8843 or TDA8844 as well as with Philips 72cm/84cm in 4:3 and 70cm/82cm in
16:9 format picture tubes.
Call up the dialog line "Over scan" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500".
Call up the dialog line "Over scan" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500".
Set to "off" with button "V -"
or "+ V ".
Dialog line "End", terminate "with mem.".
Dialog line "End", terminate "with mem.".
6. NTSC 3.6 => Call up the
dialog line "NTSC 3,6" via "i" (DIALOG CENTER) –>
"OK" –> SERVICE –> "OK" –> Service Code
"8500".
Set to "off" or "on" with button "V -"
or "+ V " dependent on the type of television receiver.
Dialog line "End", terminate "with mem."
Dialog line "End", terminate "with mem."
7. Vertical Slope => Call up the
"Vertical Slope" menu via "i" (DIALOG CENTER) –>
"OK" –> SERVICE –> "OK" –> Service Code
"8500" –> "GEOMETRY”.
Adjust the center line of the test
pattern in the dialog line "Vertical Slope" (typ. 30…33) with button
"V -" or "+ V " so that it is just still visible.
Press button "i" twice (GEOMETRY –> SERVICE) and terminate the dialog line "End" with "with mem.".
The picture geometry is adjusted to the value last stored henever the TV set is switched on.
Press button "i" twice (GEOMETRY –> SERVICE) and terminate the dialog line "End" with "with mem.".
The picture geometry is adjusted to the value last stored henever the TV set is switched on.
8. Horizontal Shift =>
Brightness Maximum.
Call up dialog line "Horizontal Width" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500" –> "GEOMETRY" –> "OK" and reduce the width of the picture using button "V -" or "+ V ".
Call up dialog line "Horizontal Shift".
Call up dialog line "Horizontal Width" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500" –> "GEOMETRY" –> "OK" and reduce the width of the picture using button "V -" or "+ V ".
Call up dialog line "Horizontal Shift".
Position the picture content in the
middle of the raster using button "V -" or "+ V ".
Re-adjust the horizontal width according to the test pattern.
With connector "ST-Shift" on the chassis (option), position the test pattern in the middle of the screen.
Dependent on the scanning spread of the picture tube this connector may be retrofitted, connected the other way round, or the rating of the resistor may be changed.
Press button "i" twice (GEOMETRY –> SERVICE) and terminate the dialog line "End" with "with mem.".
The picture geometry is adjusted to the value last stored whenever the TV set is switched on.
Re-adjust the horizontal width according to the test pattern.
With connector "ST-Shift" on the chassis (option), position the test pattern in the middle of the screen.
Dependent on the scanning spread of the picture tube this connector may be retrofitted, connected the other way round, or the rating of the resistor may be changed.
Press button "i" twice (GEOMETRY –> SERVICE) and terminate the dialog line "End" with "with mem.".
The picture geometry is adjusted to the value last stored whenever the TV set is switched on.
9. Bridge Coil L53074 => Bridge
coil L53074 is adjusted in the factory and this setting should not be changed.
Call up dialog line "Horizontal Width" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500" –> "GEOMETRY" –> "OK".
Set Horizontal Width to minimum.
Oscilloscope channel 1: collector T53001.
Oscilloscope channel 2: cathode D53072.
Call up dialog line "Horizontal Width" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500" –> "GEOMETRY" –> "OK".
Set Horizontal Width to minimum.
Oscilloscope channel 1: collector T53001.
Oscilloscope channel 2: cathode D53072.
Check the oscillograms for the same
pulse width and readjust it if necessary with coil L53074.
Adjust the horizontal width according to the test pattern.
Adjust the horizontal width according to the test pattern.
10. Focus => - Feed in a
convergence test pattern.
- Set the16:9 picture format (with 16:9 TV sets).
- Contrast (W) to maximum.
- Set the screen brightness so that the black background of the test pattern just starts to brighten.
- Set the16:9 picture format (with 16:9 TV sets).
- Contrast (W) to maximum.
- Set the screen brightness so that the black background of the test pattern just starts to brighten.
With focus control on the picture tube panel, adjust the vertical lines
approx. 5cm from the right and left picture edge to minimum horizontal width.
The sharpness in the middle must not seem to be worse than the sharpness at the edges. If necessary, take an average.
The sharpness in the middle must not seem to be worse than the sharpness at the edges. If necessary, take an average.
11. White Balance => Feed in a
grey scale test pattern with burst.
Contrast to maximum.
Colour contrast (E) to mid-position.
Screen brightness (R) to mid-position.
Call up dialog line "WHITE ADJUSTMENT" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500".
Contrast to maximum.
Colour contrast (E) to mid-position.
Screen brightness (R) to mid-position.
Call up dialog line "WHITE ADJUSTMENT" via "i" (DIALOG CENTER) –> "OK" –> SERVICE –> "OK" –> Service Code "8500".
With button "V -" or
"+ V " set the values for "Green"
or "Blue" so
that the picture becomes achromatic.
Check the white balance at minimum contrast and maximum contrast.
Terminate the dialog line "End" with "with mem.".
Check the white balance at minimum contrast and maximum contrast.
Terminate the dialog line "End" with "with mem.".
12. Screen Grid Voltage UG2 =>
Call up dialog line "Cut-off align" via "i" (DIALOG CENTER)
–> "OK" –> SERVICE –> "OK" –> Service Code
"8500".
Confirm with "OK".
Confirm with "OK".
With adjustment control UG2 on the picture tube panel, adjust
the line appearing first - red,
green, blue or mixed color - so that it is just well visible.
Return to the menu with "OK".
Return to the menu with "OK".
Forced Chroma Switching
Call up the dialog line "Color" via "DIALOG CENTER" –> "SERVICE" with button "i". With the buttons ►◄ it is possible to force the automatic chroma standard switching function into "PAL", "SECAM" or "NTSC" on a per-program basis under poor reception conditions.
Call up the dialog line "Color" via "DIALOG CENTER" –> "SERVICE" with button "i". With the buttons ►◄ it is possible to force the automatic chroma standard switching function into "PAL", "SECAM" or "NTSC" on a per-program basis under poor reception conditions.
Switching off the Blue Screen Background
Call up the dialog line "Blue Screen" via "DIALOG CENTER" –> "SERVICE" with button "i". When this function is set to "off" the blue background is switched off (e.g. when the aerial signal is missing).
Call up the dialog line "Blue Screen" via "DIALOG CENTER" –> "SERVICE" with button "i". When this function is set to "off" the blue background is switched off (e.g. when the aerial signal is missing).
Black Screen when Changing the Programme
Call up the dialog line "Black Screen" via "DIALOG CENTER" –> "SERVICE" with button "i". When this function is set to "on" the screen is blanked when changing the program.
Call up the dialog line "Black Screen" via "DIALOG CENTER" –> "SERVICE" with button "i". When this function is set to "on" the screen is blanked when changing the program.
Display of the Station Name On or Off
The station ident is read out from VT (teletext) or the VPS signal.
Call up the dialog line "Station name" via "DIALOG CENTER" –> "SERVICE" with button "i". With this function set to "off" it is possible to avoid the station name being displayed on the screen for a short time when changing the program.
The station ident is read out from VT (teletext) or the VPS signal.
Call up the dialog line "Station name" via "DIALOG CENTER" –> "SERVICE" with button "i". With this function set to "off" it is possible to avoid the station name being displayed on the screen for a short time when changing the program.
Group Delay Time / Setting the National
Standards
Call up the dialog line "B/G FM 5.5 NIC" via "DIALOG CENTER" –> "SERVICE" with button "i". Select the standard corresponding to the country where the set is operated.
S/SF/N = linear, B/DK/E = equalized.
In countries with standards mix operation (e.g. Danmark) the standard is to be set via the dialog menu "Manual tuning" –> "Standard".
Call up the dialog line "B/G FM 5.5 NIC" via "DIALOG CENTER" –> "SERVICE" with button "i". Select the standard corresponding to the country where the set is operated.
S/SF/N = linear, B/DK/E = equalized.
In countries with standards mix operation (e.g. Danmark) the standard is to be set via the dialog menu "Manual tuning" –> "Standard".
Maximum Program Number (reversing point)
Call up the program number which is to be the highest selectable program position. With button "i" select the dialog line "MANUAL TUNING" via the "DIALOG CENTER". Following the menu guide, enter "C 00" in the dialog line channel. Confirm with "OK" and terminate the menu. After this setting only those program positions can be selected with the "P+/P-" buttons in Program Mode which are lower than the "C 00" position.
Call up the program number which is to be the highest selectable program position. With button "i" select the dialog line "MANUAL TUNING" via the "DIALOG CENTER". Following the menu guide, enter "C 00" in the dialog line channel. Confirm with "OK" and terminate the menu. After this setting only those program positions can be selected with the "P+/P-" buttons in Program Mode which are lower than the "C 00" position.
