Grundig GBH1947 Vision 7 Schematic

TV Service Manual

Service
Manual

Chassis LU

Vision 7

47-7850 GBH1947
42-7850 GBG8100
37-7850 GBG8200
32-7860 GBG8400

Zusätzlich erforderliche Unterlagen für den Komplettservice
Additionally required Service Documents for the Complete Service

Sicherheit

Safety

Materialnr./Part No.

720108000001

Materialnummer / Part Number 720100535000
Änderungen vorbehalten / Subject to alteration
TCC 1108 HH • Prepared in Germany
http://www.grundig.com

GRUNDIG Service Chassis LU

Es gelten die Vorschriften und Sicherheitshinweise
gemäß dem Service Manual "Sicherheit", Material­nummer 720108000001, sowie zusätzlich die eventu­ell abweichenden, landesspezifischen Vorschriften!

Inhaltsverzeichnis

Seite

Allgemeiner Teil .................................. 1-2…1-10

Allgemeine Hinweise .....................................................................1-2

Geräte- und Displayvarianten ........................................................1-3

Technische Daten ..........................................................................1-4

Bedienhinweise .............................................................................1-6

Service- und Sonderfunktionen ...................................................1-10

Platinenabbildungen

und Schaltpläne ..................................2-1…2-36

Chassisplatte XLU190R-8:

- Netzteil ........................................................................................2-1

- Eingänge .....................................................................................2-3

- Scart-Buchsen .............................................................................2-5

- Signal-Schalter ............................................................................2-6

- IDTV Interface .............................................................................2-8

- Keyboard .....................................................................................2-8

- SP Interface.................................................................................2-8

- Tuner ...........................................................................................2-9

- HDMI .........................................................................................2-10

- Video Controller.........................................................................2-12

- Scaler ........................................................................................2-14

- Audio Verstärker........................................................................2-17

- Leiterplatte.................................................................................2-18

Netzteilplatte (Prinzipschaltplan) .................................................2-30

Buchsenplatte XGA193 ...............................................................2-32

Bedienplatte XGE191 ..................................................................2-33

Sensortasten-Bedienteil YCB193 ................................................2-34

LED-Platte YCC193.....................................................................2-35

Sensortasten-Bedienteil YCL192 ................................................2-36

IR-/LED-Platte XYN192 ...............................................................2-36

The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manu­al, part number 720108000001, as well as the
respective national deviations.

Table of Contents

Page

General Section ..................................1-2…1-10

General Notes ...............................................................................1-2

Product and Display Variants ........................................................1-3

Technical Data...............................................................................1-4

Operating Hints..............................................................................1-8

Service and Special Functions ....................................................1-10

Layout of the PCBs

and Circuit Diagrams .........................2-1…2-36

Chassis Board XLU190R-8:

- Power Supply ..............................................................................2-1

- Inputs...........................................................................................2-3

- Scart Sockets ..............................................................................2-5

- Signal Switches ...........................................................................2-6

- IDTV Interface .............................................................................2-8

- Keyboard .....................................................................................2-8

- SP Interface.................................................................................2-8

- Tuner ...........................................................................................2-9

- HDMI .........................................................................................2-10

- Video Controller.........................................................................2-12

- Scaler ........................................................................................2-14

- Audio Amplifier ..........................................................................2-17

- PCB ...........................................................................................2-18

Power Supply Board (Principal Circuit) .......................................2-30

Socket Board XGA193 ................................................................2-32

Keyboard XGE191.......................................................................2-33

Touch Button Keyboard YCB193 ................................................2-34

LED Board YCC193 ....................................................................2-35

Touch Button Keyboard YCL192 .................................................2-36

IR/LED Board XYN192 ................................................................2-36

Ersatzteillisten ...................................... 3-1…3-6

Allgemeiner Teil

Allgemeine Hinweise

Vor dem Öffnen des Gehäuses den Netzstecker ziehen!
Achtung: ESD-Vorschriften beachten
Leitungsverlegung

Bevor Sie die Leitungen und insbesondere die Masseleitungen lösen,
muss

die Leitungsverlegung zu den einzelnen Baugruppen beachtet
werden.
Nach erfolgter Reparatur ist es notwendig, die Leitungsführung wieder
in den werkseitigen Zustand zu versetzen um evtl. spätere Ausfälle
oder Störungen zu vermeiden.

Durchführen von Messungen

B

ei Messungen mit dem Oszilloskop an Halbleitern sollten Sie nur Tast­köpfe mit 10:1 - Teiler verwenden. Außerdem ist zu beachten, dass
nach vorheriger Messung mit AC-Kopplung der Koppelkondensator
des Oszilloskops aufgeladen sein kann. Durch die Entladung über
das Messobjekt können Bauteile beschädigt werden.

Messwerte und Oszillogramme

Bei den in den Schaltplänen und Oszillogrammen angegebenen
Messwerten handelt es sich um Näherungswerte!

Austausch von Speicher oder Chassisplatte

Bei Austausch der Speicher oder der Chassisplatte müssen alle ge­rätespezifischen Parameter überprüft und gegebenenfalls eingestellt
werden (siehe Service- und Sonderfunktionen, Seite 1-10).

Spare Parts Lists .................................. 3-1…3-6

General Section

General Notes

Before opening the cabinet disconnect the mains plug!
Attention: Observe the ESD safety regulations
Wiring

Before disconnecting any leads and especially the earth connecting
leads observe the way they are routed to the individual assemblies.
On completion of the repairs the leads must be laid out as originally
fitted at the factory to avoid later failures or disturbances.

Carrying out Measurements

W

hen making measurements on semi-conductors with an oscilloscope,
ensure that the test probe is set to 10:1 dividing factor. If the previous
measurement was made on AC input, please note that the coupling
capacitor in the oscilloscope will be charged. Discharge via the item
being checked can damage the components.

Measured Values and Oscillograms

The measured values given in the circuit diagrams and oscillograms
are approximates!

Exchange of Software or Chassis

After changing the memory or the chassis all device-specific parame­ters must be checked and if necessary setuped (see part Service and
Special Functions, page 1-10).

1 - 2

GRUNDIG Service Chassis LU

Programmsperre PIN

Zum Rücksetzen der PIN auf die Standard-PIN "0000" muss das Gerät
auf die Werksauslieferwerte zurückgestellt werden:
Ist kein Programm gesperrt, kann dieser Reset unter Menüpunkt
Installation/Werkeinstellungen durchgeführt werden.
Ist ein Programm gesperrt, muss der Reset über das Service Menu
durchgefürt werden. Dazu Taste "i" auf der Fernbedienung drücken
(Bild-Menü), "8500" eingeben (Service Menü) und Menüpunkt "Reset
TV-set" anwählen (siehe Service- und Sonderfunktionen).
Durch den Reset werden alle kundenspezifischen Einstellungen (z.B.
Programmtabelle) gelöscht.

Programme Lock PIN

To reset the PIN to the standard PIN "0000" the set must be reset to
the factory settings:
If no programme is locked this can be done via menu item SETUP/
Factory Settings.
If any programme is locked the reset must be done via the service
menu. Therefore press button "i" on the remote control (menu PIC­TURE), then enter "8500" (service menu) and select menu item "Reset
TV-set" (see also Service and Special Functions).
Thereby all customised settings (e.g. Programme Table) will be
reset.

Geräte- und Display-Varianten

Display- und Product Code

Je nach Verfügbarkeit werden
Displays verschiedener Herstel­ler eingebaut. Dies führt zu unter­schiedlichen Chassis-Bestückun­gen, sowie zu Änderungen in der
Software. Bei Ersatzteilbestellun­gen und Software-Updates ach­ten Sie bitte auf das eingebaute
Display, sowie auf den "Product
Code". Angaben dazu finden
Sie auf der Geräterückseite.
Sollte in der Ersatzteilliste des
Service Manuals Ihr "Product
Code" oder Ihre Display-Variante
nicht aufgeführt sein, können Sie
eine aktualisierte Version auf
dem GRUNDIG Service-Portal
"http://service.grundig.de" fin­den.

Überprüfen Sie vor Austausch der
Hauptplatte, ob die Aufkleber der
Platinen identisch sind.

Product and Display Variants

Display- und Product Code

Depending on availability displays
of different manufacturer are built
in. This results in different chassis
mountings as well as a different
software. On spare parts orders
as well as software updates take
care of the fitted display as well as
of the "Product Code". Therefore
you can find information on the
labels on the rear side. If your
"Product Code" or display vari­ant is not mentioned in the spare
parts list of the service manual,
please look for a current version
at the GRUNDIG service portal
"http://service.grundig.de".

Before changing the main board
please check whether the labels
on the boards are identical.

1 - 3

Technische Daten / Technical Data

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Chassis LUGRUNDIG Service

Order No.
Product Code
EAN
Color
Remote control

IM-Languages
Destination

Display

Panel
16:9 wide-screen format

Response time (approx.)
Brightness (approx.)
Contrast ratio (Panel, approx.)
Dynamic contrast plus
Viewing angle (approx.)
Physical display resolution

PICTURE

Motion Compensation
Motion Adaptive Deinterlacing

Natural View HD Reference
Full HD
Line Flicker Reduction
Digital Color Transition Improv. (DCTI)
Digital Combfilter
Digital Luminance Transition Improv. (DLTI)
Picture Noise Reduction (DNR)
Preset picture modes

Aspect ratios (Format switching)
Blackline Detection

PIP
Multifold Tuner scan (Mosaic Picture)
PAT: Split screen (PICTURE + TEXT)
PAP: Double Window (PICTURE + PICTURE)
P2AT: Double Window + TXT
POP: PICTURE on PICTURE
Picture freezing
Zoom with point function
Auto 16:9 selection via Scart
Sharpness control
Blue Background

CHASSIS

TV-Chassis
Progressive
Tuner

Keyboard

ELECTRONIC

Stand by indicator
EPG (Electronic Programme Guide)
Easy Dialog
Megalogic
Manual & autom. labeling of prog.
Programmable off timer
Programmable on timer
Intelligent channel search (Zapping funct.)
Programme Edit
Intelligent Programme Switch
Programme memory TV/AV (opt.)
Teletext/Fasttext/Toptext
Teletext options
Childlock

Menue languages OSD
OSD-style

Service mode
Hotel mode

TUNING

Autom. Tuning System with country selection
Frequency Based Auto Search
Automatic Micro-search
Automatic Programming
Manual fine tuning
Direct channel selection
Direct frequency selection
PAL/SECAM/BG/DK/I/L'/L
PAL M/N, NTSC M
NTSC-Playback via Scart (3,58/4,43)
Cable TV / Hyperband (S1-S41)

Vision 7 47-7850 Vision 7 42-7850 Vision 7 37-7850 Vision 7 32-7860

G.BH 19-47

CR2

40 13833-61511 8

lossy black

TP 2

D, GB

D All NSOs w/o France

47" / 119 cm

Active Matrix TFT-LC-Displa

178° vertical / 178° horizontal

WUXGA 1920 x 1080

[ (at frame rate 50Hz only) [ (at frame rate 50Hz only)

Auto (WSS), 4:3 / 14:9 / 16:9 /

Panorama / Cinema Zoom /

PLL fre
Soft touch keys for: menu/source,

± programme, ±volume, standb

16 languages, D, GB, F, I, E, P,
DK, FIN, S, N, GR, NL, PL, TR,

[ / NTSC M only via Scart

[

5ms

2

500cd/m

1300:1

10.000:1

full HD

[ (3D DeInterlacer)

\
[
[
[

[ (3D)

[
[

user, natural, rich, soft

To

Sk

\

AV-PIP

\
[

[ (via AV)

\
\
\
\
[
[
\

FHD 50Hz

LU

\

uency synthesizer tunin

red LED

\
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[
[
[
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\

100 / 8

[ / [ / [

es

1000

[

RUS, HEB

-style

Grundi

[
\

full automatic sortin

[
[
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[
[
\

[/\/[/[/[/\/\

[
[

G.BG 81-00

FNY

40 13833-61359 6

lossy black

D, GB, F, I, NL, DK, N, S, FIN, E,

178° vertical / 178° horizontal

WUXGA 1920 x 1080

Auto (WSS), 4:3 / 14:9 / 16:9 /

Panorama / Cinema Zoom /

PLL fre
Soft touch keys for: menu/source,

± programme, ±volume, standb

16 languages, D, GB, F, I, E, P,
DK, FIN, S, N, GR, NL, PL, TR,

TP 2

P, PL, CZ, H

42" / 107 cm

Active Matrix TFT-LC-Displa

[ / NTSC M only via Scart

[

5ms

2

500cd/m

1000:1

10.000:1

full HD

[ (3D DeInterlacer)

\
[
[
[

[ (3D)

[
[

user, natural, rich, soft

To

Sk

\

AV-PIP

\
[

[ (via AV)

\
\
\
\
[
[
\

LU (FHD 50Hz

\

uency synthesizer tunin

red LED

\
\
\
[
[
[
[
[
\

100 / 8

[ / [ / [

1000 pages

[

RUS, HEB

Grundig-style

[
\

full automatic sortin

[
[
\
[
[
\

[/\/[/[/[/\/\

[
[

G.BG 82-00

FNX

40 13833-61360 2

lossy black

D, GB, F, I, NL, DK, N, S, FIN, E,

178° vertical / 178° horizontal

WUXGA 1920 x 1080

[ (at frame rate 50Hz only)

Auto (WSS), 4:3 / 14:9 / 16:9 /

Panorama / Cinema Zoom /

PLL fre
Soft touch keys for: menu/source,

± programme, ±volume, standb

16 languages, D, GB, F, I, E, P,
DK, FIN, S, N, GR, NL, PL, TR,

TP 2

P, PL, CZ, H

All NSOs w/o France All NSOs w/o France

37" / 94 cm

Active Matrix TFT-LC-Displa

[ / NTSC M only via Scart

[

8ms

2

500cd/m

1000:1

10.000:1

[ (3D DeInterlacer)

\
[
[
[

[ (3D)

[
[

user, natural, rich, soft

Sk

To

\

AV-PIP

\
[

[ (via AV)

\
\
\
\
[
[
\

FHD 50Hz

LU

\

uency synthesizer tunin

red LED

\
\
\
[
[
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\

100 / 8

[ / [ / [

es

1000

[

RUS, HEB

-style

Grundi

[
\

full automatic sortin

[
[
\
[
[
\

[/\/[/[/[/\/\

[
[

D, GB, F, I, NL, DK, N, S, FIN, E,

Active Matrix TFT-LC-Displa

full HD

178° vertical / 178° horizontal

[ at frame rate 100Hz
Motion Blur Reduction)

user, natural, rich, soft

Auto (WSS), 4:3 / 14:9 / 16:9 /

Panorama / Cinema Zoom /

PLL fre

6 keys: menu, ± for programme,

16 languages, D, GB, F, I, E, P,
DK, FIN, S, N, GR, NL, PL, TR,

[ / NTSC M only via Scart

G.BG 84-00

FJJ

40 13833-61361 9

lossy black

TP 2

P, PL, CZ, H

32" / 81 cm

[

5ms

2

500cd/m

1000:1

10.000:1

WXGA 1366 x 768

[ (3D DeInterlacer)

\
\
[
[

[ (3D)

[
[

To

Sk

\

AV-PIP

\
[

[ (via AV)

\
\
\
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[
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LU (100Hz

\

uency synthesizer tunin

± for volume, source

blue LED

\
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100 / 8

[ / [ / [

1000 pages

[

RUS, HEB

Grundig-style

[
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full automatic sortin

[
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[
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[/\/[/[/[/\/\

[
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1 - 4

Chassis LUGRUNDIG Service

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AUDIO

Mono/Stereo/Nicam
AV Stereo

Loudspeaker
SRS

Virtual Dolby
Magic Fidelity Sound System
Soundprojector
Matched Sound Delay (Lip synchronous)
Subwoofer
Dynamic Bass
DSP (Digital Sound Processor)
Balance Adjustment
AVL (Audio Volume Level)
PIP listening via Headphone.jack
Equalizer
Space Sound Effect

Audio mode
Audio amplifier

POWER SUPPLY / CABINET

Power voltage
Range of regulation
Power switch
Integrated supply
Plug-in AC adaptor
Power consumption

Cabinet (WxHxD) / Weight (approx.)

FRONT PANEL CONNECTIONS

HDMI
Headphones
Cinch-AV socket
S-Video

REAR PANEL CONNECTIONS

Euro-AV-Socket AV1
Euro-AV Socket AV2
Euro-AV Socket AV3
S-Video

Camera-AV
Wireless
YUV input / progressive
PC-input (Sub D 15)

PC-Audio in
DVI
HDMI
HD ready including HDCP
Common Interface
Headphones
Digital Audio out coaxial (SPDIF)
Video out
Audio out
Antenna for terrestrial reception
DC-connector
Power supply plug

Wall fixture

Vision 7 47-7850 Vision 7 42-7850 Vision 7 37-7850 Vision 7 32-7860

[ / [ / [[ / [ / [

2 wide band intern and 2 tweeter

cinema, music, sport, speech,
2 x 20 / 10 W

33 cm with stand) / 32,5 k

CVBS in-/out

CVBS in-/out

Video in, Audio in L/R (side

1 x Coaxial-socket for TV-tuner-in\1 x Coaxial-socket for TV-tuner-in

prepared for VESA standard

[

at the front side

[
\
\
\
\
\
[
\
[
[
\

5 Band

[

user

music/nominal)2 x 20 / 10 W (music/nominal

230V~, 50 Hz

140V - 265V

\, Tact switch

[
\

270 W, standb
112,9 x 79,1 x 11,5 cm

Hosiden

Video in 3 x Cinch;
Audio in 2 x Cinch

ada

< 1 W

\
\
\
\

ut, RGB input CVBS in-/output, RGB input

ut, S-VHS

\

side

3 x Cinch:

\

WXGA

[
\

2x

via HDMI

\

3,5mm

ack

[
\
\

[

tor 200x200

2 wide band intern and 2 tweeter

cinema, music, sport, speech,

31,7 cm with stand) / 23,2 k

Video in, Audio in L/R (side

prepared for VESA standard

[

at the front side

[
\
\
\
\
\
[
\
[
[
\

5 Band

[

user

230V~, 50 Hz

140V - 265V

\, Tact switch

[
\

240 W, standby < 1 W

104,2 x 73,5 x1 1,1 cm

\
\
\
\

CVBS in-/output, S-VHS

\

Hosiden (side

3 x Cinch:

\

Video in 3 x Cinch;

Audio in 2 x Cinch

WXGA

[
\

2x

via HDMI

\

3,5mm jack

[
\
\

\
[

adaptor 200x200

2 wide band intern and 2 tweeter

1 x Coaxial-socket for TV-tuner-in\1 x Coaxial-socket for TV-tuner-in

[ / [ / [[ / [ / [

[

at the front side

[
\
\
\
\
\
[
\
[
[
\

5 Band

cinema, music, sport, speech,
2 x 20 / 10 W

25,2 cm with stand) / 18,5 k

CVBS in-/out

Video in, Audio in L/R (side

prepared for VESA standard

[

user

music/nominal)2 x 20 / 10 W (music/nominal

230V~, 50 Hz

140V - 265V

\, Tact switch

[
\

180 W, standb

93,0 x 67,1 x 11,2 cm

CVBS in-/out

Hosiden

Video in 3 x Cinch;
Audio in 2 x Cinch

ada

< 1 W

\
\
\
\

ut, RGB input CVBS in-/output, RGB input

ut, S-VHS

\

side

3 x Cinch:

\

WXGA

[
\

2x

via HDMI

\

3,5mm

ack

[
\
\

[

tor 200x200

2 wide band at the front side

cinema, music, sport, speech,

80,0 x 59,2 x 10,8 cm

20,0 cm with stand) / 11,8 k

CVBS in-/output, S-VHS

Video in, Audio in L/R (side

prepared for VESA standard

[

[
\
\
\
\
\
[
\
[
[
\

5 Band

[

user

230V~, 50 Hz

140V - 265V

\, Tact switch

[
\

145 W, standby 1 W

\
\
\
\

\

Hosiden (side

3 x Cinch:

\

Video in 3 x Cinch;
Audio in 2 x Cinch

WXGA

[
\

2x

via HDMI

\

3,5mm jack

[
\
\

\
[

adaptor 200x200

1 - 5

Bedienhinweise Dieses Kapitel enthält Auszüge aus der Bedienungsanleitung.

Weitergehende Informationen entnehmen Sie bitte der gerätespezifischen Bedienungsanleitung, deren Materialnummer Sie in der entsprechenden Ersatzteilliste finden.

1 - 6

Chassis LUGRUNDIG Service

1 - 7

Chassis LUGRUNDIG Service

Operating Hints This chapter contains excerpts from the operating instructions.

For further particulars please refer to the appropriate user instructions the part number of which is indicated in the relevant spare parts list.

1 - 8

Chassis LUGRUNDIG Service

1 - 9

Chassis LUGRUNDIG Service

Chassis LUGRUNDIG Service

Service- und Sonderfunktionen

Tastenfunktionen

i - Aufrufen des Service Menü

o (blau) - Untermenü verlassen

ɶɶ

ɶɶ

/

+

/

-

Service-Mode aktivieren

– Taste "

Menü wird eingeblendet.

– Service Nummer "8500" eingeben.

Service-Mode beenden

– Taste "

Software-Versionsnummer

Im Service Menü wird die Versionsnummer angezeigt.

Service Menus Vision 7 47-7850

Service Menu

Panel Lock Enable
PowerOn Always To STBY
ATS Sort
Enable TOP
Tuner Type

AGC Adjust
Special Key Pad

Swap/Zapp
PIP Enable

Power Up Source

DTV module
Reset TV-set
Dynamic Backlight
Other Setting*

- Menü-Punkt aktivieren,

- Service Mode verlassen

ʺʺ

ʺʺ

- Menü-Zeile (Menüpunkt) wählen

- Untermenü auswählen,

- Wert ändern

i

" auf der Fernbedienung drücken.

i

" auf der Fernbedienung drücken.

Yes

No

Yes

No

Yes

No

Yes

No

T_ATV

T_IDTV

0 - 15

Yes

No

Swap

Zapp

Yes

No

TV/AV

P1

Yes

No

Yes

No

nur für Fertigung / only for Factory

Yes
Yes
Yes
Yes

T_ATV

8

Yes

Zapp

Yes

TV/AVTV

No

Yes if deliver

Yes

Service and Special Functions

Functions of the buttons

i

o (blue) - leave submenu

ɶɶ

ɶɶ

/

+

/ - - Select submenu,

Calling up the Service Mode

– Press button "

Menu appears.

– Enter service code "8500".

Exit the Service Mode

– Press button "

Software Version Number

The software version number is shown in service menu.

Vision 7 42-7850 Vision 7 37-7850 Vision 7 32-7860

Yes if deliver

- Call up the Service Menu

- Activate menu point,

- leave Service Mode

ʺʺ

ʺʺ

- Call up the dialogue line (point of menu)

- change the setting

i

" on the remote control.

i

" on the remote control.

Yes Yes
Yes Yes
Yes Yes
Yes Yes

T_ATV T_ATV

8

Yes

Zapp Zapp

Yes Yes

TV/AV TV/AV TV/AV

No No

Yes

8

Yes

Yes if deliver

Yes

Yes if deliver

Yes
Yes
Yes
Yes

T_ATV

8

No

Zapp

Yes

No

Yes

* Die Werte in den Untermenüs "Other Setting" sind Bestandteil der Gerätesoftware.
* The Values of the the submenus "Other Setting" are part of the software of the set.

1 - 10

GRUNDIG Service Chassis LU

3V3STB

G_PWR

G_PWR

G_PWR

G_PWR

G_PWR

G_PWR

12VSB

G_PWR

G_LCD

G_PWR

G_PWR

G_LCD

G_LCD

G_LCD

G_LCD

G_PWR

G_PWR

G_PWR

G_PWR

5V

G_PWR

8V

G_PWR

12VSW

33V

G_PWR

G_PWR

G_PWR

24V

3V3STB

5V

24V

G_PWR

3V3STB3V3

G_PWR

G_PWR

G_PWR

24V

G_PWR

G_LCD

PWR_DN

PWR_EN

SUP_DIP

PWR_EN

BLT_EN
BLT_ADJ

PWR_EN

PWR_EN

PSU

PSU Spec:
12V6A(standby)
24V5.5A(inverter)

1681mA

PS-ON:
STBY: <1v
ON : >4v

Low (0V) = TV On
High(3.3V) = STBY

900mA

For layout only
R400 Near C624

1140mA

20mA

33 Volt Generator

4mA

Standby
PSU Block

400mA

For non-12V Panel only

Panel 24V Discharge

Inverter Supply Dip Detection

BL-ADJ
BL-EN

24V
24V

GND
GND
GND
GND
GND

12Vsby
12Vsby
12Vsby

12Vsby

PS-ON

DC_PWR

R612

(39k)

R635
10k

R622

(2k7)

+
C681
10u
50V

+
C681
10u
50V

J601

YY-1300-W13ST

1
2
3
4
5
6
7
8
9
10
11
12
13

R400
0(0805)

R326

10K

L602

ELC10D220E

L602

ELC10D220E

Q624

(BC847BW)

U604

NCP1117DT18RK(G)

GND

1

VIN

3

R606

47k

R603
15k

C648

100n

L608

UBW3216-601

R630
47k

+

C624
(470u/16)

+

+
C615
470u/16

+

R672

6k2

L600

ELC10D220E

R680
(100)

Q607

BC847BW

U602

MP1593DN

BS

1

IN

2

SW

3

GND4FB

5

COMP

6

EN

7

SS

8

TAB

9

Q608

NTR4101P

R617 100

D603

SSA33L

L609

UBW3216-601

R325

100k

C607 10n

+

C629

470u/16

+

R681
(470)

D602

SSA33L

C608
1n5

C608
1n5

L610

UBW3216-601

C655
100n

C604
4u7

U311

HEF4069UBT(D)

1A

1

1Q/

2

2A

3

2Q/

4

3A

5

3Q/

6

GND74Q/

8

4A

9

5Q/

10

5A

11

6Q/

12

6A

13

VCC

14

R613
(100k)

R616
1K

D305
BAV99

1 2

3

C654
(4u7)

C637
(100n)

R334
4k7

C641
(4n7)

+

C300
3u3
50V

+

R602

15k

D601

(SSA33L)

U600

MP1593DN

BS

1

IN

2

SW

3

GND4FB

5

COMP

6

EN

7

SS

8

TAB

9

L612

0R

L613

(UBW3216-601)

C611
8n2

C611
8n2

C628
100n

U617

UA78L08ACPK

GND

2

OUT

1

VIN

3

D304
BAV99

1 2

3

Q623

(BC857BW)

R607
(10k)

C610
100n

C636
100n

R679
(2K7)

C640
(220p)

C602

100n

R614 100

L611

0R

R608
10k

R628
47k

R629
47k

Q600

BC847BW

U608

MAX809STRG

GND1/Reset

2

VCC

3

C321

1n

+

C646
(10u)
50V

+

C633

(10n)

U605

NCP1117DT18RK(G)

GND

1

VIN

3

R682
(470)

U601

(MP1593DN)

BS

1

IN

2

SW

3

GND4FB

5

COMP

6

EN

7

SS

8

TAB

9

C318
100n

C320

47n

C659
100n

C631
100n

C635

5n6

R615
(100)

C645
(100n)

C647
(100n)

C642
470n

R604

47k

C319

47n

C634

1n

C322

47n

C652
4u7

C632

10n

+

C623
470u/16

+

C653

4u7

U607

NCP1117DT18RK(G)

3

C643
470n

R611 (220k)

C625

100n

L601

ELC10D220E

R624
2K2

C616
100n

R605

15k

+

C626
470u/16

+

U606

NCP1117DT33RKG

VIN

3

R623

1k

C650
100n

R610
15k

R609
2k2

3

4

3

1

2

4

1

STANDBY

1 ON

2

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams

Chassis - Netzteil / Power Supply

2 - 1

GRUNDIG Service Chassis LU

1V8STB2

1V8STB1

3V3STB

G_PWR

G_PWR

PANEL_SUP

G_LCD

G_PWR

G_PWR

1V8

G_PWR

5V

3V3

33V

G_PWR

G_PWR

3V3

2V5_

G_PWR

2V6

G_PWR

2V6_

2V5

2V5_

2V6_

2V6

G_PWR

12VSB

G_PWR

G_PWR

12VSB

G_PWR

G_PWR

3V3STB

2V6_

PANEL_PWR_EN

PWR_EN

PWR_EN

PWR_EN

POK

418mA

600mA

2.5A

LOW = Panel OFF
HIGH = Panel ON

PANEL option

304mA

410mA

4mA

50mA

600mA

650mA

400mA

1.8A

1.1A

For 12V Panel only

FRCH supply timing control

+

C675

470u/16

+

Q604

NTR4101P

U604

NCP1117DT18RK(G)

GND

1

OUT

2

VIN

3

R638
(47k)

C648

100n

U615

TL431ACDBZR

3 2

1

+

C613
10u
50V

+

+

C649
10u
50V

+

C657
4u7

R648
4k7

L606

UBW3216-601

C680

5n6

C604
4u7

U614

MP1593DN

BS

1

IN

2

SW

3

GND4FB

5

COMP

6

EN

7

SS

8

TAB

9

C679
10n

R637
(47k)

R334
4k7

C641
(4n7)

+

C300
3u3
50V

+

R636 22

C673

100n

C628
100n

R621

47k

C605
(100n)

L604

ELC10D220E

C658
100n

R640
1k

Q602

BC847BW

R642

47k

R646
10k

C640
(220p)

R614 100

Q605

NTR4101P

R620
10k

C660
100n

R631 47k

U605

NCP1117DT18RK(G)

GND

1

OUT

2

VIN

3

R632

4k7

R644
(2R2)

+

C606
10u
50V

+

L614

0R

C638
100n

C631
100n

5n6

C647
(100n)

C678

1n5

L607

(UBW3216-601)

R619

47k

+C617

470u/16

+

C627
100n

C676

470n

U607

NCP1117DT18RK(G)

GND

1

OUT

2

VIN

3

D606

SSA33L

+

C612
10u
50V

+

R643
(18k)

R611 (220k)

Q603

NTR4101P

R633 22

C656

4u7

R649

10k

R650

0R

C630
100n

Q606

BC847BW

R634 (47k)

U606

NCP1117DT33RKG

GND

1

OUT

2

VIN

3

G_PWR

G_PWR

1V

G_PWR

G_PWR

1.2A

Close to U616

R647 = 120R if NCP5662
R647 = 680R if LP38501

C683

100n

C683

100n

C677

4u7

C677

4u7

C651

100n

C651

100n

U616

NCP5662

U616

NCP5662

EN

1

VIN

2

GND

3

OUT

4

ADJ

5

TAB

6

R641

1k %1

R641

1k %1

R651

(1k)

R651

(1k)

R647

120R %1 (680R %1)

R647

120R %1 (680R %1)

+

C674

470u/16V

+

C674

470u/16V

C609

100n

C609

100n

+

C682

10u/16

+

C682

10u/16

NCP5662

Voltage

Reference

Block

V

ref

= 0.9 V

Output

Stage

V

out

ADJ

IN

GND

Enable

Block

R3

R4

EN

MP1593

3A, 28V, 385KHz
STEP-DOWN CONVERTER

LOCKOUT

COMPARATOR

ERROR

AMPLIFIER

FREQUENCY

FOLDBACK

COMPARATOR

INTERNAL

REGULATORS

1.8V

SLOPE

COMP

CLK

CURRENT

COMPARATOR

CURRENT

SENSE

AMPLIFIER

SHUTDOWN

COMPARATOR

SS

8

COMP

6

IN

2

EN

7

GND

4

OSCILLATOR

40/385KHz

SRQ

SW

3

BS

M1

M2

1

5V

+

Q

0.7V

+

+

2.3V/

2.6V
+

1.22V0.7V

+

+

FB

5

--

--

--

--

--

--

5

5

Chassis - Netzteil / Power Supply

2 - 2

GRUNDIG Service Chassis LU

G_IO

G_VGA

5V

G_IO

G_IO

G_IO

G_IO

G_IO

G_IO

G_IO

G_VGA

G_IO

G_IO

G_IO

G_IO

G_IO

G_IO

G_IO

PC_AL
PC_AR

SVHS_m_R
SVHS_m_L

SVHS_m_C

SVHS_m_Y_V

V_IN9

SPDIF_OUT

Pb_m

Y_m

Pr_m

YPbPr_m_L

YPbPr_m_R

YPbPr_m
Input

PC Audio
Input

Reserve for
Side AV

SVHS_m
Input

GND
GND

SVHS_YIN
SVHS_CIN

GND
SVHS_VIN
GND

SVHS_RIN

SVHS_LIN

GND

PC_Audio

Component

Side AV

BT

R

C

L

Red

Blu

Grn

Blk

Red

Wht

R213

470

R256 470

TP208TP208

R20675R206
75

R227

180

R227

180

R20775R207
75

D353

CDS3C16GTH

D332 CDS3C16GTH

C218
100n

C218
100n

J550

HP_AVK103B

J550

HP_AVK103B

1

2

3

D361

CDS3C16GTH

D361

CDS3C16GTH

D351 CDS3C16GTH

R254
75

C203

22p

22p

J201

RCAAV6-8.4-13/PB

J201

RCAAV6-8.4-13/PB

SL

1TL

2TL

SC

1TC

2TC

SR

1TR

2TR

C201

22p

C201

22p

R209
470

R209
470

R225

10

10

R224

6k2

R224

6k2

R251
47k

C249
100p

Q206

BC847BW

Q206

BC847BW

R226

6k2

R226

6k2

R212

47k

R205
75

C204

22p

22p

C251
22p

C207
100p

C207
100p

R230
75R

J204

AV_10_036158r_2MM

J204

AV_10_036158r_2MM

1
2
3
4
5
6
7
8
9
10

C248
100p

R255
150R

R252

47k

D344 CDS3C16GTH

C219
100n

D558

CDS3C16GTH

D340 CDS3C16GTH

C253

22p

R575
470

R253

75

D342

(CDS3C16GTH)

C510
100p

D347

CDS3C16GTH

R507
47k

R228

47k

R228

47k

R574
470

SP_MIC_IN

R515
0

R516
0

R552
47k

R257 470

C217

100n

C217

100n

C256
22p

22p

C200
22p

C551
100p

C208
100p

D556

CDS3C16GTH

Chassis - Eingänge / Inputs

2 - 3

GRUNDIG Service Chassis LU

VGA_SDA

ROM_SCL

VGA_SCL

VGA_SDAROM_SDA

ROM_SCL

VGA_SCL

ROM_SDA

DTV_SVC1

IDTV_TXD

IDTV_RXD

Online_Update

SCL

SDA

PROG_SCL

PROG_SDA

Online_Update

G_VCTPG_VGA G_IO

G_VGA

G_VGA

G_VGA

G_VGA

G_VGA

5V

G_VGA

G_VGA

G_VGA

G_VGA

12VSB

3V3STB

G_VGA

12VSB

G_VGA

G_VGA

12VSB

G_VGA

G_VGA

G_VGA

3V3STB

G_VGA

12VSB

G_VGA

3V3STB

PC_Red

PC_Blu

PC_Grn

PC_VS

PC_HS

PROG_SDA

PROG_SCL

DTV_SVC

DTV_CTRL

UART2_TXD1

UART2_RXD1

UART2_TXD
UART2_RXD

DEBUG_DTV

IDTV_TXD
SVC_TXD
SVC_RXD
IDTV_RXD

SCL

SDA

SCL

SDA

DTV_SVC1

DTV_SVC1

DEBUG_DTV

PC input

Online_Update:
High - software update
Low - EDID PRG

VGA

3v3 <-> 5v conversion circuit

HIGH if normal operation mode,

GND in programming mode
Normal operation VGA_12C always

switched to E2PROM I2C

R435

75

R975
3k9

R975
3k9

U251

74HC4066

1Z

2

2Z

3

2Y

4

2E

5

3E

6

GND

7

VCC

14

1E

13

4E

12

4Y

11

3Z

9

3Y

8

4Z

10

1Y

1

R964
3K9

C998
100n

R968
(47k)

D937

CDS3C16GTH

D423

CDS3C16GTH

R436

75

D901
BAV70LT1

1

2

3

R960
4K7

1611

J451

1775046-1

1611

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

R423 100

R458 100

D935

CDS3C16GTH

U903

M24C02-WMN (SO8)

NC1

1

NC2

2

NC3

3

VSS

4

SDA

5

SCL

6

VCLK

7

VCC

8

D422

CDS3C16GTH

R920

10k

C910 (100p)

R961
5K6

R967

3K3

C409
22p

R972
(0R)

C452
(22p)

R921
47k

R911
100

R962
3K9

U916

NLASB3157DFT2G

B1

1

GND

2

B0

3

Vcc

5

S

6

A

4

R924
100

R918
4k7

R959 100

Q923

BC847BW

C997
100n

D936

CDS3C16GTH

R910
(0R)

R925
15k

R958 100

D924

CDS3C16GTH

U918

NLASB3157DFT2G

B1

1

GND

2

B0

3

Vcc

5

S

6

A

4

Q922
2N7002

C440
(22p)

R919
100

R969

5k6

R966
100R

C906 (100p)

R973
3K3

D921

CDS3C16GTH

R439

75

R943
4k7

R923
4k7

R970
3k9

R963
5K6

R971
(0R)

R974

5k6

R974

5k6

Q921
2N7002

C499

22p

C473
(22p)

R922
10k

R965
100R

R926
4k7

NLASB3157

Select

B

1

GND

A

B

0

1

2

3

6

4

V

CC

5

6604CH47

13 #

5 #

6 #

12 #

1

2

4

3

8

9

11

10

3V3

G_VCTP

3V3

G_VCTP

PC_HS

PC_VS

D_VS

D_HS

syncsw

syncsw

HSYNC

VSYNC

R412
470

R412
470

Q405

BC847BW

Q405

BC847BW

R460 4k7R460 4k7

R420
470

R420
470

R430

4k7

R430

4k7

R408 4k7R408 4k7

C420
100n

C420
100n

R449

2k2

R449

2k2

Q407
BC847BW

Q407
BC847BW

C437
100n

C437
100n

C488
150p

C488
150p

C418

150p

C418

150p

Q404

BC847BW

Q404

BC847BW

R421

4k7

R421

4k7

Q408

BC847BW

Q408

BC847BW

R450
2k2

R450
2k2

7

9

8

6

6 7 8 9

Chassis - Eingänge / Inputs

2 - 4

TV_RXD
TV_TXD

G_IO

G_IO

G_IO

G_IO

G_IO

G_IO G_IO

G_IOG_IO

G_IO G_IO

G_IO

G_IO

G_IO

G_IO

G_IO

G_IO G_IO

3V3STB

SCH_out_V

SCF_Fb

SCF_L

SCF_R

SCF_V_STA

SCF_out_L

SCF_out_R

SCH_C

SCF_out_V

SCH_Y_V

SCH_V_STA

SCH_L

SCF_Red/C

SCH_R

SCF_Grn

SCF_Blu

SCH_out_L

SCH_out_R

SCF_Y_V

TV_RXD

TV_TXD

UART2_TXD1

UART2_RXD1

TV_RXD

TV_TXD

IDTV_RXD

IDTV_TXD

SCH_Y_V

SCART model only.

All of Caps & ESD protetor placed as close as possible to Pin.

SCART model only.

ESD protection

Half SCART (SVIDEO)

Full SCART (RGB/CVBS)

Scart1

Scart2

R273
75

D259

CDS3C16GTH

D375

CDS3C16GTH

D379

CDS3C16GTH

R276 330

C260
22p

R383
100

D373

CDS3C16GTH

C242
330p

D371

CDS3C16GTH

C282
22p

C240
22p

R280

100

R291 47K

C263
22p

+

C243

22u

50V

+

C233

330p

R265

75

D372

CDS3C16GTH

C246
330p

C261
22p

D360

CDS3C16GTH

R289
100k

U250B

303050

AUDO_R

22

AUDI_R

23

AUDO_L

24

BLU

28

GND5

26

GND9

30

GRN

32

GND13

34

RED/C

36

GND17

38

CVBS/Yo

40

SHIELD

42

GND18

39

FBL

37

GND14

35

DATA1

33

DATA2

31

V_STA

29

AUDI_L

27

GND4

25

CVBS/Yi

41

+

C291

22u

50V

+

C235
330p

C229
22p

D376

CDS3C16GTH

R268

47k

R382
100

C237
22p

R284 47K

D364

CDS3C16GTH

C236
22p

R281
47k

D260

CDS3C16GTH

R271
75

R277

100k

R290 330

C262
22p

+

C244

22u

50V

+

D374

CDS3C16GTH

R272
75

R279

100k

U250A

303050

AUDO_R

1

AUDI_R

2

AUDO_L

3

BLU

7

GND5

5

GND9

9

GRN

11

GND13

13

RED/C

15

GND17

17

CVBS/Yo

19

SHIELD

21

GND18

18

FBL

16

GND14

14

DATA1

12

DATA2

10

V_STA

8

AUDI_L

6

GND4

4

CVBS/Yi

20

D369

CDS3C16GTH

D262

CDS3C16GTH

R288 330

C247
330p

R269 100

R381

3K3

D367

CDS3C16GTH

R263

75

R293

75

C283
330p

R282

100

D370

CDS3C16GTH

R266

75

R287
100k

R294
75

C284
330p

D380

CDS3C16GTH

R270

47k

R278 330

D377

CDS3C16GTH

+

C290

22u

50V

+

D368

CDS3C16GTH

R380
3K3

R283
47k

R267 100

R292 100

D363

CDS3C16GTH

D362

CDS3C16GTH

R261

75

D378

CDS3C16GTH

C227

330p

C228

330p

C241
330p

Chassis - Scart-Buchsen / Scart Sockets

GRUNDIG Service Chassis LU

2 - 5

GRUNDIG Service Chassis LU

DC 6V bias

DC 2V bias

DC 6V bias

DC 2V bias

12VSW

G_VGA

G_VGA

G_VGA

12VSW

G_VGA

5V

5V

G_VGA

G_VGA

12VSW

G_IO

G_VGA

12VSW

G_VGA

G_VGA

5V

SCH/SVHS_m_L

SCH/SVHS_m_R

SVHS_m_L

SCH_L

SVHS_m_R

SCH_R

YPbPr_m/PC_sel

Pr_m/PC_Red

Pb_m/PC_Blu

Y_m/PC_Grn

PC_Blu

PC_Red

PC_Grn

PC_AL

PC_AR

A_SPDIF

Pb_m

Pr_m

Y_m

YPbPr_m_L

YPbPr_m_R

SCH/SVHS_m_sel

SPDIF_OUT

SPDIF_OUT1

SPDIF_HDMI

SPDIFSW1

Pb_HDMI

Pr_HDMI

Y_HDMI

Pb_m/PC_Blu

Pr_m/PC_Red

Y_m/PC_Grn

SCF/SVHS_m_sel:
high-SVHS_m
low-SCH

From Half-SCART
Audio input

From SVHS_m
Audio
output

To
VCTP
Ain3
input

YPbPr_m/PC_sel:
High - YPbPr_m
L0w -PC

SPDIF
From
DVBT
/ATSC

From
PC
input

From
YPbPr
input

From
PC
input

From
YPbPr
input

From
VCTP
output

To SPDIF
output

To ATSC
Antenna
switch:

From
HDMI
input

SPDIF_HDMI_sel:
high-VCTP
low-HDMI

SPDIF

R581 (0R)

L580

LQH32MN100K23 TR

L401

LQH32MN100K23 TR

D426

BAV99

1 2

3

+

C554
10u
50V

+

+

C412
10u
50V

+

Q512

BC847BW

+

C443
10u
50V

+

C436 330n

R481
3k3

R584
100k

R433 100k

D425
BAV99

1 2

3

R463

(0)

C408 330n

R502

100k

R590 10k

C583 330n

+

C586
10u
50V

+

R462

(0)

C581 330n

R586 100k

R591
10k

R591
10k

C410
100n

R594
10k

R592 4k7

D438
BAV99

1 2

3

R461

(0)

R466 100k

R510 100k

R431 100k

R508

4k7

C415 330n

R445 100k

C580 330n

R477 100k

R570

4k7

C438 330n

R580 (0R)

D434
BAV99

1 2

3

R443 100k

U409

PI5V330WEX

IN

1

S1A

2

S2A

3

DA

4

S1B

5

S2B

6

DB

7

GND8DC

9

S2C

10

S1C

11

DD

12

S2D

13

S1D

14

EN

15

VCC

16

C582 330n

R554
(0R)

R480 100k

R593
10k

C585
100n

U512

CD4053PWR

BY

1

BX

2

CY

3

CZ

4

CX

5

INH

6

VEE

7

VSS8C

9

B

10

A

11

AX

12

AY

13

AZ

14

BZ

15

VCC

16

R471
4k7

R471
4k7

J507

YY-1100-W02ST

J507

YY-1100-W02ST

1
2

D427

BAV99

1

2

3

R432 100k

R446 100k

R478 100k

Q509

BC847BW

R583 100k

R585

1K

R444 100k

C447 330n

C416 330n

D433

BAV99

1 2

3

R595
10k

R448 100k

1

2

3

4

5
6

7

8

16

15

14
13

12

11
10

9

V

CC

GND

D

PI5V330

A

S

1

A

S

2

A

D

B

S

1

B

S

2

B

D

C

S

1

C

S

2

C

D

D

S

1

D

S

2

D

DECODER/DRIVERS

EN IN

Chassis - Signal-Schalter / Signal Switches

2 - 6