Text preview for : CUC-400.PDF part of Grundig CUC-400 Grundig CUC CUC-400 CUC-400.PDF
Back to : CUC-400.PDF | Home
SERVICE MANUAL
Service Service
Manual Manual
Additionally Safety
required Service
Manuals for the
Sach-Nr./Part No. Complete Service: Sach-Nr./Part No.
72010-019.80 72010-800.00
CUC 400
P14 - 6210/4 (9.21508-0302 / G.CD 3902) T20 - 6210/8
P14 - 6210/4 text T20 - 6210/8 text (9.21509-0275 / G.CD 3775)
P14 - 6210/6 T51 - 721/5
P14 - 6210/6 text T51 - 721/5 text (9.21509-0475 / G.CE 2375)
P14 - 6210/8 (9.21508-0202 / G.CD 3602) T21 - 6210/4
P14 - 6210/8 text (9.21508-2202 / G.CE 0502) T21 - 6210/4 text (9.21510-0375 / G.CD 4175)
T20 - 6210/4 (9.21509-0375 / G.CD 4075) T21 - 6210/6
T20 - 6210/4 text T21 - 6210/6 text
T20 - 6210/6 T21 - 6210/8
T20 - 6210/6 text T21 - 6210/8 text (9.21510-0275 / G.CD 3875)
TP 711 (29642-062.01)
Subject to alteration VK 221 / 0797 Service Manual Part No. 72010-019.80A
General Section CUC 400
Table of Contents
Page
25Hz interlace signal
General Section .................................... 1-2...1-7 25Hz
Safety Advice ............................................................................... 1-2 Volume
Circuit Diagram Symbols ............................................................. 1-2
Technical Data ............................................................................. 1-3 Tint
Operating Instructions .................................................................. 1-4
Brightness
Alignments ..................................................... 2-1 Contrast
Layout of the PCBs Colour contrast
and Circuit Diagrams ........................... 3-1...3-7 Automatic gain control
Oscillograms Chassis Board ........................................................ 3-1 AGC
General Circuit Diagram .............................................................. 3-2 Audio signal
AUDIO
Chassis Board PCB ..................................................................... 3-5
CTR Panel PCB ........................................................................... 3-7 AUDIO Audio signal input
IN
Spare Parts List .................................... 4-1...4-5 AUDIO
OUT
Audio signal output
Blue signal
B
General Section BB Baseband
Coincidence
COIN
CCVS signal
FBAS
Green signal
G
HOR. Horizontal synchronizing pulse
SYNC1
The regulations and safety instructions shall be valid as provided Intermediate frequency
by the "Safety" Service Manual, part number 72010-800.00, as IF
well as the respective national deviations. Red signal
R
Beam current limiting
SB
I2C-Bus Clock
SCL
Safety Advice I2C-Bus data
SDA
The X-radiation developing in the sets conforms to the X-radiation SOUND Sound intermediate frequency
IF
Regulations (January 8, 1987), issued by the Physikalisch-Technische
Bundesanstalt (federal physiotechnical institution). VERT. Vertical synchronizing pulse
SYNC
The high tension for the picture tube and thus the developing X-
VIDEO Video signal
radiation depends on the precise adjustment of the +A power supply.
After every repair of the power supply unit or the horizontal deflection VIDEO Video signal input
stage it is imperative that the EHT for the picture tube is checked and IN
re-adjusted if necessary. VIDEO Video signal output
To avoid consequential damages to the chassis or the picture tube OUT
the integrated protective circuits are allowed to be put out of operation U Switching voltage AV
AV
only for a short time.
U
Switching voltage data mode
When replacing the picture tube use only the types specified in the DATA
spare parts lists. Switching voltage norm
U
NORM
U Switching voltage standby
STBY
U UHF switching voltage
UHF
U Automatic frequency control voltage
AFC
Circuit Diagram Symbols U Voltage synthesizer tuning
TUN.
TUN Tuning voltage
ADJ.
Vertical amplitude Delayed control voltage
U
U Switching voltage VHF high band
VH
Horizontal amplitude
U Switching voltage VHF low band
VL
Horizontal picture position
Vertical picture position
Vertical linearity
1-2 GRUNDIG Service
GRUNDIG Service
Technical Data
CUC 400
P14-6210/4 P14-6210/6 P14-6210/8 T20-6210/4 T20-6210/6 T20-6210/8 T 51-721/5 T21-6210/4 T21-6210/6 T21-6210/8
P14-6210/4 text P14-6210/6 text P14-6210/8 text T20-6210/4 text T20-6210/6 text T20-6210/8 text T 51-721/5 text T21-6210/4 text T21-6210/6 text T21-6210/8 text
Picture Tube
Visible picture 34cm 34cm 34cm 48cm 48cm 48cm 48cm 51cm 51cm 51cm
Screen diagonale 37cm (14") 37cm (14") 37cm (14") 51cm (20") 51cm (20") 51cm (20") 51cm (20") 55cm (21") 55cm (21") 55cm (21")
Deflection angle 90