Grundig Chassis-SC Service Manual

TV Service Manual

Service
Manual

Chassis SC

Vision 3

37-3821 GBH2037
32-3821 GBH2032
26-3821 GBH2026

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

Sicherheit

Safety

Materialnr./Part No.

720108000001

Materialnummer / Part Number 720100537000
Änderungen vorbehalten / Subject to alteration
TCC 0309 HH • Prepared in Germany
http://www.grundig.com

NUR FÜR INTERNEN GEBRAUCH

FOR INTERNAL USE ONLY

GRUNDIG Service Chassis SC

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…1-12

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

Geräte- und Display-Varianten ......................................................1-3

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

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

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

Platinenabbildungen

und Schaltpläne .................................. 2-1…2-29

Chassisplatte YCA190R-3:

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

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

- VGA .............................................................................................2-3

- HDMI ...........................................................................................2-4

- Scaler ..........................................................................................2-5

- Audio-Signalverarbeitung ............................................................2-8

- Audio Verstärker..........................................................................2-9

- Tuner .........................................................................................2-10

- IDTV MPEG Decoder & CPU ....................................................2-12

- Common Interface .....................................................................2-14

- Übersicht ...................................................................................2-15

- Leiterplatte.................................................................................2-16

Bedienplatten XSV191, XSW191, XVQ191.................................2-28

IR/LED-Platte XVS192 ................................................................2-29

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…1-12

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…2-29

Chassis Board YCA190R-3:

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

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

- VGA .............................................................................................2-3

- HDMI ...........................................................................................2-4

- Scaler ..........................................................................................2-5

- Audio Signal Processing .............................................................2-8

- Audio Amplifier ............................................................................2-9

- Tuner .........................................................................................2-10

- IDTV MPEG Decoder & CPU ....................................................2-12

- Common Interface .....................................................................2-14

- Overview ...................................................................................2-15

- PCB ...........................................................................................2-16

Keyboards XSV191, XSW191, XVQ191 .....................................2-28

IR/LED Board XVS192 ................................................................2-29

Ersatzteillisten ...................................... 3-1…3-5

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

Bei 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…3-5

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

When 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 SC

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 SCGRUNDIG Service

Order No.
Product Code
EAN
Color
Remote control

IM-Languages
Destination

Display

Panel
Wide-screen format

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

PICTURE

Motion Picture Improvement
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
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
Auto switch off
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
NTSC-Playback via Scart (3,58/4,43)
Cable TV / Hyperband (S1-S41)

Vision 3 37-3821 Vision 3 32-3821 Vision 3 26-3821

G.BH 20-37

U6E, FXP

40 13833-61554 5

black / silver

D, GB, F, I, NL, DK, N, S, FIN, E, P, PL, CZ,

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

26 languages, D, GB, F, I, E, P, NL,GR, TR,

DK, FIN, N, S, SI, PL, H, RUS, RO, HR, CZ,

SK, AL, BG, MK, SER, HEB

TP 170 C / TP 2

H

All NSOs All NSOs

37" / 94 cm

Active Matrix TFT-LC-Displa

178° vertical / 178° horizontal

PLL fre

± programme, ±volume, AV/TV

Simple hotel mode possible via

[

8ms

2

500cd/m

800:1

5.000:1

WXGA 1366 x 768

\\

[ (3D DeInterlacer)

\
\
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[

[ (2D)

[
[

user, natural, rich, soft

Subtitle / Panorama

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SC SC

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uency synthesizer tunin

6 keys: menu,

blue LED

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100 / 7

[ / [ / \

es

100

[

Grundig-style

service ad

full automatic sortin

[/[/[/[/[/[/[

Version A

[

ustment

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G.BH 20-32

FXH

40 13833-61553 8

black / silver

D, GB, F, I, NL, DK, N, S, FIN, E, P, PL, CZ,

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

26 languages, D, GB, F, I, E, P, NL,GR, TR,

DK, FIN, N, S, SI, PL, H, RUS, RO, HR, CZ,

SK, AL, BG, MK, SER, HEB (Version A

TP 170 C / TP 2

H

32" / 81 cm

Active Matrix TFT-LC-Displa

178° vertical / 178° horizontal

PLL fre

± programme, ±volume, AV/TV

Simple hotel mode possible via

[

6ms

2

500cd/m

2000:1

5.000:1

WXGA 1366 x 768

[ (3D DeInterlacer)

\
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[

[ (2D)

[
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user, natural, rich, soft

Subtitle / Panorama

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6 keys: menu,

blue LED

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100 / 7

[ / [ / \

100 pages

[

Grundig-style

[

service adjustment

full automatic sortin

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[
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\

[/[/[/[/[/[/[

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[

G.BH 20-26

U6B

40 13833-61532 3

black / silver

D, GB, F, I, NL, DK, N, S, FIN, E, P, PL, CZ,

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

PLL fre

26 languages, D, GB, F, I, E, P, NL,GR, TR,

DK, FIN, N, S, SI, PL, H, RUS, RO, HR, CZ,

SK, AL, BG, MK, SER, HEB

TP 170 C

H

All NSOs

26" / 66 cm

Active Matrix TFT-LC-Displa

178° vertical / 178° horizontal

± programme, ±volume, AV/TV

Simple hotel mode possible via

[

8ms

2

500cd/m

800:1

5.000:1

WXGA 1366 x 768

\

[ (3D DeInterlacer)

\
\
\
[

[ (2D)

[
[

user, natural, rich, soft

Subtitle / Panorama

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[

SC

\

uency synthesizer tunin

6 keys: menu,

blue LED

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100 / 7

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100

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Grundig-style

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service ad

ustment

full automatic sortin

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Version A

1 - 4

Chassis SCGRUNDIG Service

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AUDIO

Mono/Stereo/Nicam
AV Stereo
Loudspeaker
SRS
Virtual Dolby
Magic Fidelity Sound System
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

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

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
Prepared for WESA standard adaptor

Vision 3 37-3821 Vision 3 32-3821 Vision 3 26-3821

[ / [ / [[ / [ / [

2 wide band at the front side

cinema, music, s

2 x 20 / 10 W

25,1 cm with stand) / 20,0 k

CVBS in-/out

1 x Coaxial-socket for TV-tuner-in

[

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[
[
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5 Band

[

ort, speech, user

music/nominal

230V~, 50 Hz 230V~, 50 Hz

140V - 265V

\, Tact switch

[
\

180 W, standb

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

Video in, Audio in L/R

Video in 3 x Cinch;
Audio in 2 x Cinch

1,1 W

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

\
\

Hosiden

3 x Cinch:

\

WXGA

[
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2x

via HDMI

\

ack

3,5mm

\
\
\

\
[

200 x 200

cinema, music, sport, speech, user

2 wide band at the front side

2 x 20 / 10 W

20,0 cm with stand) / 11,4 k

1 x Coaxial-socket for TV-tuner-in

[

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5 Band

[

music/nominal

140V - 265V

\, Tact switch

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140 W, standby 1,1 W

80,0 x 59,4 x 11,0 cm

\
\

\
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Hosiden

3 x Cinch:

Video in, Audio in L/R

\

Video in 3 x Cinch;

Audio in 2 x Cinch

WXGA

[
\

2x

via HDMI

\

3,5mm jack

\
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\
[

100 x 100 + 100

2 wide band at the front side

cinema, music, s

2 x 14 / 7 W

17,8 cm with stand) / 8.9 k

CVBS in-/out

1 x Coaxial-socket for TV-tuner-in

[ / [ / [

[

\
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5 Band

[

ort, speech, user

music/nominal

230V~, 50 Hz

140V - 265V

\, Tact switch

[
\

\
\
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ut, RGB input

\
\

Hosiden

3 x Cinch:

\

WXGA

[
\

2x

via HDMI

\

3,5mm

\
\
\

\
[

1,1 W

ack

110 W, standb

66,5 x 45,8 x 9,9 cm

Video in, Audio in L/R

Video in 3 x Cinch;
Audio in 2 x Cinch

100 x 100 + 100

1 - 5

Bedienhinweise Dieses Kapitel enthält Auszüge aus der Bedienungsanleitung.

Weitergehende Informationen entnehmen Sie bitte der gerätespezifischen Bedienungsanleitung, die Sie unter www.grundig.de herunterladen können.

1 - 6

Chassis SCGRUNDIG Service

1 - 7

Chassis SCGRUNDIG Service

Operating Hints This chapter contains excerpts from the operating instructions.

For further particulars please refer to the appropriate user instructions which can be downloaded from www.grundig.com.

1 - 8

Chassis SCGRUNDIG Service

1 - 9

Chassis SCGRUNDIG Service

Chassis SCGRUNDIG Service

Menü

Menü

T

ü

Maximale L

Service- und Sonderfunktionen

Tastenfunktionen TP2 (TP170C)
i (i)

3333 /

4444 (

(OK)

+ / – (Ǹ / Ƿ)
Service-Mode aktivieren

– Taste "
– Zahlenfolge "8500" eingeben.

Service-Mode beenden

– Taste "

1. Grundeinstellwerte

Die Grundeinstellwerte im Service Mode sind in der Tabelle enthal­ten.

Menu

3333 /

4444

(

P+ / P–

/

–

+

(

Ǹ

/ Ƿ)

OPTIONS 0OPTIONS 1

Aufrufen/Beenden des Dialog Centers /
Untermenü: Zurück zum Hauptmenü
Hauptmenü: Beenden des Service Mode

P+ / P–

)

Menü-Zeile (Menüpunkt) wählen
Aufrufen der Menüs

Wert ändern

i

" (INFO) drücken.

i

" drücken.

punkt

Point of Menu

3333 /

4444

(

P+ / P–

)

STANDBY RECALL

MENU APPEAR

TEXT

LANGUAGE

LOGO

FACTORY MODE

GAMMA

DCR

BLUEBACK

HOTEL

HOTEL VOL

ATS

WSS

TEST PATTERN

TEST PATTERNSEL

)

/

–

+

(

Ǹ

/ Ƿ)

Einstellung
Adjustment

+ / –

(

Ǹ

OFF
ON
POL
GR
BK
FAST
TOP
FAST_TOP
NONE
A
B
OFF
ARCELIK
BK
OFF

T1

T2
T3
ON
OFF
ON
OFF
ON
OFF
ON
OFF

0…63

ON
OFF
ON
OFF
ON
OFF
Testbild auswählen / select test pattern

/ Ƿ)

Vision 3 37-3821

Vision 3 32-3821

X

Vision 3 26-3821

X

X

X

X

20

X

X

X

X X X Netz-Ein –> Standby / Power on –> standby

XX

XX

XXX

XXX

XXX

XX

XX

XX

XXXX

20X20

XX

XX

Service and Special Functions

Functions of the buttons TP2 (TP170C)
i (i)

3333 /

4444 (

P+ / P–

(OK)

+ / – (Ǹ / Ƿ)
Calling up the Service Mode

– Press button "
– Enter the code number "8500".

Exit the Service Mode

– Press button "

1. Basic Settings

The table shows all basic specific settings in the service mode.

Netz-Ein –> Programm 1 / Power on –> Programme 1
ACHTUNG: Nicht verstellen! Sobald auf BK oder POL umgestellt ist, funk-

tioniert die Fernbedienung TP2/TP170 nicht mehr. Abhilfe: Siehe Punkt 3
ATTENTION: Do not change to POL or BK. From that moment on the TP2/
TP170 remote control doesn´t work. Remedy: See point 3

aste i -> rote Taste -> Service Men

Button i -> button red -> Service Menu

Gamma-Korrektur / Gamma Correction

Dynamischer Kontrast / Dynamic Contrast

Hotel-Mode

Hotel mode – volume maximum

Automatische Sendersortierung / Automatic channel sorting

Wide Screen Signaling

Interne Testbilder / internal test pattern

autstärke im Hotel-Mode

Call up/exit the Dialog Center /
Submenu: Back to the main menu
Main menu: Exit the Service Mode

)

Call up the dialogue line (point of menu)
Call up the Menus

Changing the settings

i

" (INFO).

i

".

Hinweis / Hint

1 - 10

Menü

Menü

Menu

3333 /

4444

(

P+ / P–

)

/

–

+

(

Ǹ

/ Ƿ)

OPTIONS 2

SOUND

OPTIONS

IF SETTINGS

DIMMING

ADJUSTMENTSEEPROM EDIT

punkt

Point of Menu

3333 /

4444

(

P+ / P–

)

/

–

+

(

Ǹ

/ Ƿ)

TV

DTV

SCART1

AV

S-Video

PC

HDMI-I

HDMI-II

YPBPR

HEADPHONE

SRS

TUNER TYPE
AGC VHF
AGV UHF
AGC LPRIME

SECAM

GROUP DELAY

BACKLIGHT
CONT RED
CONT GREEN
CONT BLUE
SERVICE MENU INIT
RENESAS RESET

INITIAL ATS

CUSTOMER DATA INIT
ADRESS 0000 HEX
DATA 00000001

Einstellung
Adjustment

+ / –

(

Ǹ

/ Ƿ)

ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
eingebauten Tuner einstellen / select used tuner

-16…0…15

-16…0…15

-16…0…15
ON
OFF
ON
OFF
0…60
0…255
0…255
0…255

OFF
ON

Vision 3 37-3821

Vision 3 32-3821

XX

XXXX
XX

XXXX

XX

XXXX

XX

XXXX

XX

XXXX

XX

-3 -3
0-30

-3

XX

XX

20
12820128
128

128

128

128

ATS Reset

Hinweis / Hint

Vision 3 26-3821

Kopfhörer / Headphone

Surround Sound

X

-3
0

-3
X

X

20

128

Mittelwerte: Alle Einstellungen sind in Abhängigkeit der Geräte-Eingänge
nach Testbild einzustellen.

128

Average values: Dependend on input selection all settings must be set ac­cording to test pattern.

128

Netz ein -> Automatischer Sendersuchlauf
Power on -> automatic programme search

Chassis SCGRUNDIG Service

2. Software-Versionsnummer

Die Software-Versionsnummer wird unten im Service-Menü ange­zeigt, z.B.:

SC_SD_EU_V1_159 18-08-08
RENESAS VER V0.24
PARAMETER VER 32LP-13 17-09-2008

3. Fernbedien-Code

Im Service Menü / Options 0 darf die Einstellung "MENU APPEAR"

-> GR nicht geändert werden! Schon die Anwahl von POL oder BK
ändert den Fernbedien-Code. Zurückstellen auf die Einstellung GR
ist nur noch mit einer RC20-Fernbedienung (720117144300, Chas­sis SH-Geräte), der Zugang zum Service Menü ist nur mit der Co-
dezahl 9301 möglich.

2. Software Version Number

The software version number is shown on the lower part of the ser­vice menu, e.g.:

SC_SD_EU_V1_159 18-08-08
RENESAS VER V0.24
PARAMETER VER 32LP-13 17-09-2008

3. Remote Control Code

The setting of service menu / options 0 / MENU APPEAR -> GR
must not be changed! Selecting POL or BK changes the remote
control code. Resetting is only possible via a remote control RC20
(720117144300, Chassis SH), access to the service menu is possi­ble via code 9301.

1 - 11

Chassis SCGRUNDIG Service

4. Programmsuchlauf

– Taste "

– "Suchen/Abstimmen" mit den Tasten "ʺ / ɶ"

– "Programmsuchlauf" mit den Tasten "

– Gewünschtes Land mit den Tasten "ʺ / ɶ / + / – " auswählen.

– "Programmsuchlauf" mit der Taster "OK" ( ) starten.

Zum Abbrechen des Suchlaufes die Taste "

i

" (INFO) drücken.

der Taste "OK" ( ) bestätigen.

anwählen und mit

ʺ / ɶ" anwählen und mit

der Taste "

Das automatische Sendersuchsystem stoppt bei jedem emp­fangswürdigen Sender (AFC und Koinzidenz) und speichert auto­matisch die entsprechenden Senderdaten mit dem jeweiligen
Standard. Danach wird der Suchlauf fortgesetzt.

OK

" ( ) bestätigen.

i

" drücken.

4. Channel Search

– Press button "
– Select "Setup" with the buttons "

"OK" ( ).

– Select "Autoprogram" with the buttons "

button "

– Select the required Country with the buttons "
– Start "Autoprogramming" with the button "

The auto programme system stops at every station of acceptable
reception quality (AFC and coincidence) and stores the station
data and the respective standard automatically. The system then
continues searching.

Pressing the "

i

" (MAIN MENU).

ʺ / ɶ" and confirm with button

OK

" ( ).

i

" button stops the programme search.

ʺ / ɶ"

ʺ / ɶ /

OK

" ( ).

and confirm with

+ / –

".

1 - 12

STBY_CTRL

+

-

C100
47UF/16V

C104

0.1UF/25V

R100

100K

L100 FB

L103 FB

L102 FB

C106

0.1UF/25V

+

-

C102
47UF/16V

C103

0.1UF/25V

R101

1K

Q101

BC847

L104 FB/NC

LCD_POW

VDD_PANEL

5V_PANEL

P12V

P5V_STBY P12V

PANEL POWER

D1V5

P3V3

1
2
3
4
5
6
7
8

9
10
11
12
13
14

S100

POWER

L101 FB

+

-

C101
47UF/35V

P24V

BL ON/OFF
DIMMING

BL ON/OFF
DIMMING

STBY_CTRL

FB

1

GND

2

SW

3

EN

6

VINA

5

VINB

4

GND7GND

8

GND

9

U102

FAN2012/MP2112/
ST1S06/NCP1595A

L108

B82464–G4472–M

R106

3K

R103
10K

D1V05

P5V_STBY

C121
100N

1K

R110

D103

BZX84C33-SOT23

R109

75R

D100
BAV99L

C123
CAP10U50V

VCC_33V

C113

33N

C114

33N

C122
100N

D101
BAV99L

P24V

PWM_33V

PWM_33V

D1V05

P33V

C149

1UF/16V

R124
1K1

R122
180R

C142

0.33UF/25V

VIN

3

ADJ

1

VOUT

2

4

4

U106 LD1086ADJ

R126
15R

C144

0.1UF/16V

+

-

C146

47UF/16V

P5V

1V5_ASTBY

C148
1UF/16V

R123
1K1

R121
180R

C135

0.33UF/25V

VIN

3

ADJ

1

VOUT

2

4

4

U105 LD1086ADJ

R125
15R

C136

0.1UF/16V

+

-

C138

470UF/16V

P5V_STBY P3V3

D1V8

C132
1UF/16V

R117
1K1

R113
180R

C125

0.33UF/25V

R119
15R

C126

0.1UF/16V

+

-

C127

47UF/16V

P5V_STBY D1V8

D2V5

C120
1UF/16V

R108
1K1

R107
180R

C116

0.33UF/25V

R111
15R

C117

0.1UF/16V

+

-

C118

47UF/16V

P5V

2V5_ASTBY

D1V2

C133

1UF/16V

R118
1K1

R115
180R

C129

0.33UF/25V

R120
15R

C130

0.1UF/16V

+

-

C131

47UF/16V

P5V 1V2_ASTBY

L106 FB/NC

5V_DVB

5V_PANEL

L109 FB

P5V

R127

100K

C150
1UF/25V

R129 1K

Q104

BC847

P5V

STBY_CTRL

P5V_STBY

3V3_ASTBY

P5V

S2

1

G2

2

S1

3

G1

4

D2

8

D2

7

D1

6

D1

5

U108 FDS9933A

R128
100KC151

1UF/25V

R130 1K

Q105

BC847

STBY_CTRL

P3V3

1
2
3
4
5
6
7
8
9

10

S101

POWER

C119
1UF/16V

R104
1K1

R102
180R

C108

0.33UF/25V

VIN

3

ADJ

1

VOUT

2

U100 AP1117YADJ

R105
15R

C109

0.1UF/16V

+

-

C110

47UF/16V

P12V

A9V

A9V

L107

120R/100MHz

C145
100N

+

C143
220U/25V LESR

+

C159

470uF/10V

C156
100n

LOW ESR

L112
120R/
100MHZ

5V_PANEL

C137

10n

R112

6K8

R132

39K 1%

R1145,36k 1%

C141
27n X7R

C147

100n

295476R

C155

4.7u

R133

4R7

C139

10n

L111

B82464–G4472–M

3

2

1

4

8

7

6

5

U109
STS5DNF20V

R135

10

C153
1n

C154

1u

C160

22u
X7R

R116
1k8 1%

R13610R137

10

R134

10

FB

1

SS

2

VL

3

GND

4

DL

5

BST

6

LX

7

DH

8

IN

9

OCSET

10

U107
MAX8576

D102

BAS40-00-V

FDS6984AS olabilir

+

C158

470uF/10V

L110

120R/100MHZ

Q103

PMV56XN\N C

Q106

PMV56XN/N C

G2

S1

D1

G1

D2

G1

S1

D1

G2

D2

L105 FB/NC

P5V_STBY

5V_PANEL5V_DVB

2A output option

L113 FB

L114 FB/NC

A5V

L116 FB

P5V

VIN

3

ADJ

1

VOUT

2

4

4

U101 AP1117YADJ

VIN

3

ADJ

1

VOUT

2

4

4

U103 AP1117YADJ

VIN

3

ADJ

1

VOUT

2

4

4

U104 AP1117YADJ

Q100

PMX65XP

C115

2U2F/16V

C134

2U2F/16V

C140

2U2F/16V

C124

2U2F/16V

C128

2U2F/16V

C107

1UF/25V

C111

22u X7R

C112

4U7F/10V

C105

2u2

SD12V

SD12V

R139

100K

C152

0.1UF/25V

R140 100R

Q108
BC847

Q107
PMX65XP

D1V8

R138 0R

STBY_CTRL

R131

1K

Q102

BC847

R143 15K

R14215K

R144

15K

R145

100K

C157

0.1UF/25V

Q110

PMX65XP

R146

15K

R147 0R

C161
10nF

C164

10nF

C163

10nF

C162

10nF

R148
0R

R141

4K7/NC

P5V_STBY

1

5

7

8

2

3

4

6

FDS9933A

FB

ERROR

AMP

REF FB

IS

CURRENT

SENSE

DIGITAL

SOFT START

UNDER VOLTAGE

LOCKOUT

LOGIC

CONTROL

MOSFET
DRIVER

OSC

SLOPE

COMPENSATION

COMP

OVER

VOLTAGE

COMP

IS

GND

SW

V

IN

EN

GND

0.8V

FAN2011
FAN2012

0.3

0.75V

0.05V

OVP

LX

FAULT

SS

VL

GND

IN

FB

OCSET

SS

RAMP

LOGIC

DRIVERS

GND

VL REG

POK

REF

DHI

DLI

MAX8576

BST

DH

LX

DL

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams

Chassis - Netzteil / Power Supply

GRUNDIG Service Chassis SC

2 - 1

GRUNDIG Service Chassis SC

SCART_FB

AV2_AR

AV2_AL

SCART_CVBS_IN

SCART_A L _OUT

SCART_CVBS

SCART_CVBS_OUT

SCART_B_IN

SCART_AR _IN

SCART_AINL

SCART_STATUS_IN

SCART_PIN8

SCART_FB_IN

SCART_G_IN

SCART_AR _OUT

SCART_AINR

SCART_AL _IN

SCART_VOUT

AV3_AR

AV3_AL

SCART_R_IN

R213 75R

R256
12K

R276

100K

R218
390R

R221

75R

R2060R

10

11

9
8
7
6
5
4
3
2

21
20
19
18
17
16
15
14
13
12

1

22

23

S203
SCP-3041

R257
2K7

R277
100K

R204

75R

R219
0R

SCART_CVBS

SCART_FB

SCART_VOUT

SCART_PIN8

SCART_AINL

SCART_AINR

AV3_AL

AV3_AR

AV2_AL
AV2_AR

SCART

(Y)

(Pb)

(Pr)

AUDIO IN ( AV3:YPBPR )

FRONT AV IN ( AV2:FAV )

VIDEO IN (YPBPR)

(FB)

(VOUT)

(B)

(G)

AUDIO & VIDEO IN (SCART)

)SUTATS_V()SUTATS(

(R)

(VIN1A)

(VINFB)

(VINMX)

(VIN1B)

(VIN1C)

(CVBS)

C200

0.1UF/16V

R202

33K

R205

39K

R210
270R

C202 4.7UF/16V

5V_VBUF1

SCART_CVBS

R200NC

SCART_R

R2340RR232

75R

SCART_R

C214

0.1UF/16V

R226

33K

R233

39K

R235
270R

C215 4.7UF/16V

5V_VBUF1

SCART_R

R225NC

SCART_G

R2460R

R244
75R

SCART_G

C219

0.1UF/16V

R239

33K

R245

39K

R247
270R

C221 4.7UF/16V

5V_VBUF1

SCART_G

R238NC

SCART_B

R2520R

R250

75R

SCART_B

C223

0.1UF/16V

R249

33K

R251

39K

R255
270R

C224 4.7UF/16V

5V_VBUF1

SCART_B

R248NC

AV3_YPbPr_Pr

R209

0R

R207

75R

AV3_YPbPr_Pr

AV3_YPbPr_Pb

R217

0R

R215
75R

AV3_YPbPr_Pb

AV3_YPbPr_Y

R2280R

AV3_YPbPr_Y

AV3_YPbPr_SYNC

R242

0R

R240
75R

AV3_YPbPr_SYNC

AV2_CVBS

R2620R

R260

75R

AV2_CVBS

C228

0.1UF/16V

R259

33K

R261

39K

R263

270R

C229 4.7UF/16V

5V_VBUF3

AV2_CVBS

R258NC

AV2_S_C

R2680RR266

75R

AV2_S_C

C230

0.1UF/16V

R265

33K

R267

39K

R269

270R

C231 4.7UF/16V

5V_VBUF3

AV2_S_C

R264NC

R254

100K

R253

100K

AV2_S_Y

R2740RR272

75R

AV2_S_Y

C234

0.1UF/16V

R271

33K

R273

39K

R275

270R

C235 4.7UF/16V

5V_VBUF3

AV2_S_Y

R270NC

L200 BEAD

C206

47UF/16V

5V_VBUF1

A5V

D209

EZJZ1V800A/NC

D211

EZJZ1V800A/NC

D212

EZJZ1V800A/NC

D214

EZJZ1V800A/NC

D206

EZJZ1V500 AA/NC

D208

EZJZ1V500 AA/NC

D204

EZJZ1V50 0AA/NC

D201

EZJZ1V500 AA/NC

D200

EZJZ1V800 A/NC

D202

EZJZ1V80 0A/NC

D205

EZJZ1V800 A/NC

L205 BEAD

L206 BEAD

C239
10nF

C240
10nF

D213

EZJZ1V800 A/NC

D203

EZJZ1V800 A/NC

L203 BEAD

C232
47UF/16V

5V_VBUF3

A5V

SIDE_C

SIDE_Y

R_EDIS

L_ED

IS

SIDE_V

SIDE_C

SIDE_Y

SIDE_L
SIDE_R

SIDE_V

L201 BEAD

L202 BEAD

C226

10nF

C227

10nF

C204
22pF

C209
22pF

C216
22pF

C222

22pF

C225
22pF

C205
10pF

C210
10pF

C220
22pF

D218

EZJZ1V800 A/NC

C236
22pF

D219

EZJZ1V800 A/NC

C238
22pF

D217

EZJZ1V800 A/NC

C237
22pF

D207

EZJZ1V800A/NC
D210

EZJZ1V800A/NC

D215

EZJZ1V800 A/NC

D216

EZJZ1V800 A/NC

R230 100R

R229 100R

TX_SCART

RX_SCART

YPbPr_AL_In

YPbPr_AR_In

(White)Left

(Red)Right

(Black)SPDIF

SPDIF_OUT

SPDIF_OUT

Pr

Pb

Y

Q200
BC848B

Q204
BC848B

Q206
BC848B

Q207
BC848B

Q208
BC848B

Q209
BC848B

Q210
BC848B

5

9

8

6

7

R

L

134

2

S202
DASW-19D

R281 0R

R279 0R

C241
100pF/NC

L207

0R/0603

C242
100pF/NC

GNDGND

C243
100pF/NC

L208

0R/0603

C244
100pF/NC

GNDGND

SCART_TU_LOUT

SCART_TU_ROUT

SCART_TV_LOUT

SCART_TV_ROUT

Q212

2N7002K/NC

R280 0R

A5V

Q211

2N7002K/NC

R278 0R

A5V

C246 22pF

C245 22pF

C247
22pF

C248
22pF

BP1

2

BG1

1

BP2

3

BG2

1

BP3

4

BG3

1

S200A

EMBASE_PHONO_3X2

BP1

5

BG1

1

BP2

6

BG2

1

BP3

7

BG3

1

S200B

EMBASE_PHONO_3X2

Chassis - Eingänge / Inputs

2 - 2