Grundig MF 55-5501 Schematic

TV Service Manual

2. Ergänzung / Supplement 2

Chassis K1

Lenaro

55 Flat MF 55-5501 Top GBD0900
55 Flat MF 55-5501/8 Top GBD0800

Xentia

55 MFS 55-4601/8 Top GBE4400

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

Service
Manual

Chassis

K1

Materialnr./Part No.

720100517000

Materialnummer/Part Number 720100517200
Änderungen vorbehalten/Subject to alteration
H-S43 1205 • Printed in Germany
http://www.grundig.com

Service
Manual

Sicherheit

Safety

Materialnr./Part No.

720108000001

GRUNDIG Service Chassis K1

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

Inhaltsverzeichnis

Seite

Allgemeiner Teil ....................................... 2…10

Einführung....................................................................................... 2

Allgemeine Hinweise....................................................................... 2

Technische Daten ........................................................................... 3

Service- und Sonderfunktionen ....................................................... 5

Schaltpläne und

Platinenabbildungen .............................. 11…25

Variantenliste ................................................................................ 11

Übersicht TR502, TR601 .............................................................. 11

Chassisplatte - KX1.190-08

- Netzteil ........................................................................................ 11

- Ablenkung ................................................................................... 12

- Hauptteil ...................................................................................... 13

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

- Bildrohrplatte ............................................................................... 24

Buchsenplatte - 6VA.194 .............................................................. 25

Bedienplatte - 6VB.191 ................................................................. 25

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 ........................................ 2…10

Introduction ..................................................................................... 2

General Notes ................................................................................. 2

Technical Data ................................................................................ 3

Service and Special Functions ........................................................ 5

Circuit Diagrams

and Layout of PCBs ............................... 11…25

Variant List .................................................................................... 11

Overview TR502, TR601 .............................................................. 11

Chassis Board - KX1.190-08

- Power Supply .............................................................................. 11

- Deflection .................................................................................... 12

- Main Part .................................................................................... 13

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

- CRT Board .................................................................................. 24

Socket Board - 6VA.194 ............................................................... 25

Keyboard - 6VB.191 ...................................................................... 25

Ersatzteillisten ........................................ 26…30

Allgemeiner Teil

Einführung

In dieser Service-Manual-Ergänzung sind weitere Gerätevarianten
dokumentiert, die mit dem Chassis C7/C8 ausgestattet sind.
Außerdem sind geänderte Platinenabbildungen und Schaltpläne ab­gebildet.

Hinweis:

Grundlage für den Service sind folgende Service Manuals:
– Service Manual Sicherheit, Materialnummer 720108000001
– Service Manual Chassis K1, Materialnummer 720100517000

Allgemeine Hinweise

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

Spare Parts List ...................................... 26…30

General Section

Introduction

This Supplement of Service Manual describes more variants of sets
fitted with chassis C7/C8. In addition changed PCB illustrations and
circuit diagrams are shown.

Note:

Basic instructions for servicing are given in the following Service
Manuals:
– Service Manual Safety, Part Number 720108000001
– Service Manual Chassis K1, Part Number 720100517000

General Notes

Attention: Observe the ESD safety regulations

Before opening the cabinet disconnect the mains plug!
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.

2

Technische Daten / Technical Data

Chassis K1GRUNDIG Service

Order No.
EAN
Color

Destination

IM-Languages

Remote control
PICTURE
Size / Type
Tube-Manufacturer
Real flat / Super flat
Deflection
100 Hz Picture-/32 kHz line frequency
Flicker free scanning (full frame memory)
Digital Color Transition Improv. (DCTI)
Digital Combfilter
Digital Luminance Transition Improv. (DLTI)
Picture Noise Reduction
SVM (Scan Velocity Moduladion)
Dynamic Focus
Preset picture modes
Tilt
Picture Formats
PIP (2 Tuner)
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
Quick programme display
Zoom with point function
Auto 16:9 selection via Scart
Auto 16:9 via WSS
Automatic Color Standard Detection
Sharpness control
Blue Background
CHASSIS
TV-Chassis
Tuner
µ-Processor

Keyboard

ELECTRONIC
Stand by indicator
EPG (Electronic Programme Guide)
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
Teletext SWAP

Lenaro 55 Flat MF 55-5501 TOP

J3W

G.BD 09-00

40 13833-59912 8

procon silver

D, A, CH, I

D, I

55 cm (21"), FST, (4:3)

Philips, Samsung, Thomson, Erkranas

user, natural, rich, soft

with OK-key

K1 (50 Hz)

PLL frequency synthesizer tuning

4 ± keys for programme selection and volume (side)

Now & Next

5 characters

8 pages Level 1,5

Lenaro 55 Flat MF 55-5501/8 TOP

J3X

G.BD 08-00

40 13833-59911 1

Xentia 55 Flat MFS 55-4601/8 TOP

L4R

G.BD 44-00

40 13833-60364 1

procon silver

CH, NL, F, E, P, DK, FIN, N, S, PL,

GB, F, NL, DK, N, S, FIN, E, P, PL,

H, HR, CZ

CZ, HR

TP 160 C

D, CH, I, P, PL, CZ

D, GB, I, P, PL, CZ

TP 160 C

55 cm (21"), FST, (4:3) Slim Line

LG Philips

/

\

[

90°

\

\

[

[

[

[

\

\

[

110°

/

\

\

\

[

[

[

[

\

\

user, natural, rich, soft

\

4:3 / 16:9

\

\

\

\

\

\

\

\

4:3 / 16:9

\

\

\

\

\

\

\

with OK-key

\

[

[

[

[

[

\

[

[

[

[

[

K1 (50 Hz)

PLL frequency synthesizer tuning

VCT-I

4 ± keys for programme selection

blue LED

VCT-I

and volume (side)

blue LED

Now & Next

5 characters

[

[

[

[

[

[

100/AV

[

[

[

[

[

[

100/AV

8 pages Level 1,5

\

\

\\

3

Chassis K1GRUNDIG Service

Childlock

Menue languages OSD

SWAP (Recall function)
Service mode
Luxury packet

Hotel mode

TUNING
Autom. Tuning System with country selection
Frequency Based Auto Search
Automatic Micro-search
Automatic Programming
Manual fine tuning
Direct channel selection
PAL/SECAM/

BG/DK/I/L'/L
NTSC-Playback via Scart (3,58/4,43)
Cable TV / Hyperband (S1-S41)
AUDIO
Mono/Stereo/Nicam
AV Stereo
Virtual Dolby
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 without extern LS
Tweeter (2 way speaker system)
POWER SUPPLY / CABINET
Power voltage
Power switch

Power consumption

Cabinet (WxHxD, cm) / Weight
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
Audio out

Antenna for terrestrial reception

Power supply plug

Lenaro 55 Flat MF 55-5501 TOP

J3W

Lenaro 55 Flat MF 55-5501/8 TOP

J3X

[

F,I,E,P,NL,GR,TR,DK,FIN,N,S,SI,PL,H,RUS,RO,HR,CZ,SK,AL,BG,MK,S

26 Languages: D, GB,

ER,HEB

\

[

\

Simple hotel mode possible via service functions

full automatic sorting

[

[

\

[

[

[/[/

[/\/\/\/\

[/[/

[/[/[/[/[

[

[

/ [ /

\

[

[

/ [ /

[

[

\

\

\

[

[

[

\

5 Band

[

cinema, music, sport, speech, user

2 x 7 W (RMS)

\

230V~, 50/60 Hz

[

51 W, standby 2 W in accordance to IEC 62087-2002

61,2 x 45,1 x 47,7 cm approx. 22,2 kg

[, (side)

3 x Cinch - Video in, Audio in L/R (side)

Hosiden (side)

CVBS in-/output, RGB input

CVBS in-/output, S-Video input

\

via Scart

\

1 x Coaxial-socket for TV-tuner-in, according to DIN 45325

\\

Xentia 55 Flat MFS 55-4601/8 TOP

L4R

[

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,S

ER,HEB

\

[

\

Simple hotel mode possible via ser-

vice functions

full automatic sorting

[

[

\

[

[

[/[/

[/[/[/[/[

[

[

[

/ [ /

[

[

\

\

\

[

[

[

\

5 Band

[

cinema, music, sport, speech, user

2 x 7 W (RMS)

\

230V~, 50/60 Hz

[

55 W, standby 2 W in accordance to

IEC 62087-2002

61,5 x 45,0 x 38 cm approx. 23 kg

[, (side)

3 x Cinch - Video in, Audio in L/R

(side)

\

CVBS in-/output, RGB input

CVBS in-/output, S-Video input

\

via Scart

\

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

according to DIN 45325

4

Chassis K1GRUNDIG Service

Service- und Sonderfunktionen

Service Mode aktivieren: Taste "i" –> Service Code "8500".
Menü aufrufen: Taste "P+"/"P-" ->"OK".

Einstellung verändern: Taste "
Menü verlassen: Taste "i".

Service Mode beenden: Taste "TXT".

1. Grundeinstellwerte

Nachfolgende Tabelle zeigt alle typenbezogenen Grundeinstellun­gen im Service Mode. Alle mit * gekennzeichneten Werte müssen
zusätzlich nach Abgleich (Service Manual K1, Materialnummer
720100517000, Seite 2-1) eingestellt werden.

Menü
Menu

Ƕ/ǵ

+

"OK"

OPTIONS

Menüpunkt

Point of Menu

Ƕ/ǵ

STANDBY

AV1 YUV

AV2 & AV3

AV4

TELETEXT

TXT TABLE

LANGUAGE

CRT

PIP

MAIN TUNER

PIP TUNER

SVM & DCI

BLUEBACK

LTI & COMB

CTI

Ǹ / Ƿ" bzw. 1/3, 4/6.

Einstellung

Adjustment

Ǹ / Ƿ

(-10) 1 / 3 (+10)

(-100) 4 / 6 (+100)

CUSTOMER MODE
FACTORY MODE
AVAILABLE
N/A
AV2&AV3 AVAILABLE
AV2&AV3 N/A
AV2 AVAIL.-AV3 N/A
CVBS + SVHS
CVBS ONLY
SVHS ONLY
NONE
FASTEXT + TOPTEXT
DEFAULT
FASTEXT
TOPTEXT
AUTO
WEST
EAST
GREEC
CYRILLIC
ARABIC
FARSI
HEBREW
1
2

4.3
16:9
N/A
AVAILABLE
PHILIPS
PAN. DB2G3-DA5G3
TEMIC
PANASONIC D44G3
SHARP OR ALPS
PHILIPS
PAN. DB2G3-DA5G3
TEMIC
PANASONIC D44G3
SHARP OR ALPS
OFF
ON
MENU
ON
OFF
ON
OFF
ON
MENU
OFF

Service and Special Functions

Start of the Service Mode: Via "i" –> Service Code "8500".
Call up the Menu: Button "P+"/"P-" ->"OK".

Adjustments: Button "
Break of the Menu: Button "i".

End the Service Mode: Button "TXT".

1. Basic Settings

The following table shows all type specific basic settings in the ser­vice mode. In addition all values marked with * must be adjusted
according to adjustment (Service Manual K1, part no.
720100517000, page 2-1).

Gerät / Type of Set

Hinweis

Hint

abhängig

von

Bestückung

depends on

abhängig

von

Bestückung

depends on

Lenaro 55 Flat MF

55-5501 TOP

XXX

XXX

X
X

XXX

XXX

XXX

X

X

XXX

X

X

XXX

Ǹ / Ƿ" bzw. 1/3, 4/6.

Lenaro 55 Flat MF

55-5501/8 TOP

XX
X

XX

XX

XX

XX

Xentia 55 MFS 55-

4601/8 TOP

X

5

Chassis K1GRUNDIG Service

Menü
Menu

Ƕ/ǵ

+

"OK"

DYNAMIC FOCUS

ADAPTIVE PKG.

PROTECTION

PANORAMA

OPTIONS

KEYBOARD

GAME

ALARM TIMER

DEMO MODE

BG

DK

I

L/L'

FM RADIO/TV GUIDE

SOUND OPTIONS

NICAM

DOLBY VIRTUAL

BASS OPTION

HEADPHONE

CARRIER MUTE

PAT

SIMPLE HOTEL

HOTEL MAX VOL
OSD OFFSET
BCL DELTA

AGC METHOD

SOUND OPTIONS

TILT

TILT 0

CRT 4:3, MODE 16:9

Menüpunkt

Point of Menu

Ƕ/ǵ

Einstellung
Adjustment

Ǹ / Ƿ

(-10) 1 / 3 (+10)

(-100) 4 / 6 (+100)

OFF
ON
MENU
OFF
ON
N/A
BCL ONLY
VERTICAL ONLY
BCL & VERTICAL
AVAILABLE
N/A
P- P+ V- V+

- P/V +
N/A
AVAILABLE
AVAILABLE
N/A
0
1
EUROPE
NEW ZELLAND
AUSTRALIA
N/A
AVAILABLE
N/A
AVAILABLE
N/A
AVAILABLE
N/A
TV GUIDE
NONE
FM RADIO
AVAILABLE
N/A
AVAILABLE
N/A
DYNAMIC BASS
SUBWOOFER
NONE
AVAILABLE
N/A
VIA MSP
VIA MICRO
AVAILABLE
N/A
N/A
AVAILABLE
EINSTELLWERT/VALUE

SYNC ONLY
SYNC+PEAK WHITE&DARK
FIXED
SYNC+PEAK WHITE
N/A
AVAILABLE

DISABLE AUTO CUTOFF
VIA FLYBL

Hinweis

Hint

ATS RESET

1020

Gerät / Type of Set

Lenaro 55 Flat MF

55-5501 TOP

X

X

X

X
X

X

X

X

X

X

X

X
XXX

X

X

X
X

XXX

X
X

50 50 50

X
X

0

X

Lenaro 55 Flat MF

55-5501/8 TOP

XX

XX

XX

X
X

XX

XX

XX

XX

XX

XX

XX

XX

XX

X
X

X
X

XX
XX

00

XX

Xentia 55 MFS 55-

4601/8 TOP

X
X

X
X

X
X

6

Chassis K1GRUNDIG Service

Menü
Menu

Ƕ/ǵ

+

"OK"

AGC 44
AGC FOR VHF I
PIP AGC

IF ADJ.

PIP AGC FOR VHF I
VERTICAL AMPLITUDE*
VERTICAL SHIFT*
LINEARITY*
S-CORRECTION*
VERTICAL ANGLE*
VERTICAL BOW*
START LINE MEASUR.
VER. BLANKING STOP
VER. BLANKING START
HORIZONTAL WIDTH*
HORIZONTAL SHIFT*
TRAPEZE CORR. I*

50HZ GEOM.

CUSHION CORR. I*
UPPER CORNER 1 I*
LOWER CORNER 1 I*
UPPER CORNER 2 I*
LOWER CORNER 2 I*
HOR. BLANKING STOP
HOR. BLANKING START
HOR. OSD POSITION*
VER. OSD POSITION*
HOR. WIDTH II
VER ZOOM II
FLYBL
TRAPEZE CORR. II*
CUSHION CORR. II*
UPPER CORNER 1 II*
LOWER CORNER 1 II*
UPPER CORNER 2 II*

50HZ GEOM. HOR. II

LOWER CORNER 2 II*
EHT TRESHOLD
EHT TIME CONSTANT
VERTICAL EHT 1
VERTICAL EHT 2
HORIZONTAL EHT 1
HORIZONTAL EHT 2
EHT DTC

50HZ GEOM. EHT

EHT P1
EHT P2

Menüpunkt

Point of Menu

Ƕ/ǵ

Einstellung
Adjustment

Ǹ / Ƿ

(-10) 1 / 3 (+10)

(-100) 4 / 6 (+100)

Hinweis

Hint

Lenaro 55 Flat MF

55-5501 TOP

Gerät / Type of Set

Lenaro 55 Flat MF

55-5501/8 TOP

4
15
20

-250
2

20

140

0
0

11
20

333

0

-23
0
0
0
0
0
0

215

1235

31
18

110

60
14

0
0
0
0
0
0

70
40

-162

-160
0
0
0
0
0

Xentia 55 MFS 55-

4601/8 TOP

4
15
20

245

5

0

140

0

0
11
21

333

75

-25
0

-120
40
40

0
0

210

1235

31
18

110

60
14

0

-90
10

0
0

0
80
40

-130

-30

-45

-20

-50
0
0

Alle mit * gekennzeichneten Werte müssen zusätzlich nach Abgleich eingestellt werden
(Service Manual K1, Materialnummer 720100517000, Seite 2-1).
In addition all values marked with * must be adjusted according to adjustment
(Service Manual K1, Part Number 720100517000, page 2-1).

7

Chassis K1GRUNDIG Service

Menü
Menu

Ƕ/ǵ

+

"OK"

VERTICAL AMPLITUDE*
VERTICAL SHIFT*
LINEARITY*
S-CORRECTION*
VERTICAL ANGLE*
VERTICAL BOW*
START LINE MEASUR.
VER. BLANKING STOP
VER. BLANKING START
HORIZONTAL WIDTH*
HORIZONTAL SHIFT*
TRAPEZE CORR. I*

60HZ GEOM.

CUSHION CORR. I*
UPPER CORNER 1 I*
LOWER CORNER 1 I*
UPPER CORNER 2 I*
LOWER CORNER 2 I*
HOR. BLANKING STOP
HOR. BLANKING START
HOR. OSD POSITION*
VER. OSD POSITION*
HOR. WIDTH II
VER ZOOM II
CUTOFF TIMER
TRAPEZE CORR. II*
CUSHION CORR. II*
UPPER CORNER 1 II*
LOWER CORNER 1 II*
UPPER CORNER 2 II*

60HZ GEOM. HOR. II

LOWER CORNER 2 II*
EHT TRESHOLD
EHT TIME CONSTANT
VERTICAL EHT 1
VERTICAL EHT 2
HORIZONTAL EHT 1
HORIZONTAL EHT 2
EHT DTC

60HZ GEOM. EHT

EHT P1
EHT P2
R. DRIVE
G. DRIVE
B. DRIVE
R. CUTOFF
G. CUTOFF
B. CUTOFF

VIDEO ADJ. I

IBRM
WDRM
SCREEN ADJ.

Menüpunkt

Point of Menu

Ƕ/ǵ

Einstellung
Adjustment

Ǹ / Ƿ

(-10) 1 / 3 (+10)

(-100) 4 / 6 (+100)

Hinweis

Hint

Lenaro 55 Flat MF

55-5501 TOP

Gerät / Type of Set

Lenaro 55 Flat MF

55-5501/8 TOP

-206
9
0

-41
0
0

11
18

333

0

-42
0
0
0
0
0
0

190

1225

18

6

110

60
10

0
0
0
0
0
0

80
40

-93

-80
0
0
0
0
0

356
356
356
156
156
156
270
290
296

Xentia 55 MFS 55-

4601/8 TOP

280

10

0

140

0

0
11
21

333

70

-35
0

-125
50
50

0
0

190

1225

18
20

110

60
10

0

-120
70

0
0

0
80
40

-180
90
30

-230

0
0

0
356
356
356
156
156
156
320
370
300

Alle mit * gekennzeichneten Werte müssen zusätzlich nach Abgleich eingestellt werden
(Service Manual K1, Materialnummer 720100517000, Seite 2-1).
In addition all values marked with * must be adjusted according to adjustment
(Service Manual K1, Part Number 720100517000, page 2-1).

8

Chassis K1GRUNDIG Service

Menü
Menu

Ƕ/ǵ

+

"OK"

VIDEO ADJ. II

VIDEO ADJ. III

PIP POSITION

EE-

PROM

EDIT

PRESET

Menüpunkt

Point of Menu

Ƕ/ǵ

BCL GAIN
BCL TRESHHOLD
BCL TRESHHOLD II
BCL TIME CONSTANT 1
BCL TIME CONSTANT 2
OSD BRIGHTNESS
OSD CONTRAST
TXT BRIGHTNESS
TXT CONTRAST
VC DELAY FOR PAL
VC DELAY FOR SECAM
VC DELAY FOR NTSC
SUBCARRIER ADJ.
DPWL GAIN
DPWL START P.
PWL TIME CONSTANT
PWL
SVM GAIN
SVM CORING
SVM LIMITER
SVM DELAY
SVM DIFF. WINDOW

ADDRESS ---H
DATA (HEX)
DATA (BINARY)
OPTIONS
SOUND OPTIONS
IF ADJ.
GEOMETRY ADJ.
VIDEO ADJ.
ALL OPTIONS & ADJ.

00H
0000 0000B

Einstellung
Adjustment

Ǹ / Ƿ

(-10) 1 / 3 (+10)

(-100) 4 / 6 (+100)

Hinweis

Hint

Lenaro 55 Flat MF

55-5501 TOP

Gerät / Type of Set

Lenaro 55 Flat MF

55-5501/8 TOP

270
200
130
511

0
120
140
110
110

9

2

10
18

-300
400

1

90

0
0
0
0
0

Xentia 55 MFS 55-

4601/8 TOP

360
150

80

511

0
190
190
110
160

9

2

10
18

-250
450

1

90

0
0
0
0
0

9