FUNAI NLC-3216 User manual

Nexgen Mediatech Inc.
DATE 02/10/2006
VER V1.0
TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 1/31
1
Approved by:
潘強榮
Prepared by:
張尚義
Doc. No.
GSM-Funai-NLC-3216 Preparation Date 2006/02/10 Model T32127-11 Version V1.0 Page 1 of 31
Version Date of new version Contents (Revision)
V1.0 2006/02/10 New release
Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Version 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Date 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10
Page 21 22 23 24 25 26 27 28 29 30 31
Version 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Date 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10 02/10
Title: Funai_NLC-3216
Level 1 Service Manual Without Tuner

Nexgen Mediatech Inc.
DATE 02/10/2006
VER V1.0
TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 2/31
2
Funai_NLC-3216 TV
Service Manual
Model No: NLC-3216
Brand: FUNAI

Nexgen Mediatech Inc.
DATE 02/10/2006
VER V1.0
TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 3/31
3
Table of content
1. Attention During Servicing……………………….4
2. Purpose……………………………………………...5
3. Definition of Level 1 Service……………………..5
4. Block Diagram………………………………………6
5. Disassembly/Assembly Procedures……………7
6. Trouble Shooting Analysis……………………..15
7. Update F/W………………………………………...22
8. Explosion Diagram……………………………….29
9. Level 1 Spare Parts List…………………………30

Nexgen Mediatech Inc.
DATE 02/10/2006
VER V1.0
TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 4/31
4
1. Attention During Servicing
1-1. This TV should be operated from the type of power indicated on the using
label. If you are not sure of the type of power available, consult your
dealer or local power company..
1-2. The TV shall be placed at low humidity and low dust.
1-3. Place the TV on firm flat surface carefully. The surface of the TV is plastic
material and thin glass, drop or sharp impact will cause damage to the TV.
1-4. Do not use alcohol or ammonia-based liquid to clean the TV. If necessary,
clean with a slightly damp cloth. Disconnect the TV from the power supply
before cleaning.
1-5. Remove the power supply immediately in case of abnormality occurred in
the TV, especially strange noise of smell
1-6. Turn on power for testing only after completing the assembly of the TV
include casing and tighten the screw while servicing the TV to prevent
hazard.

Nexgen Mediatech Inc.
DATE 02/10/2006
VER V1.0
TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 5/31
5
2. Purpose
The purpose of this service manual is for the reference of Authorized Service
Provider (ASP) while proceeding level 1 service for the product mentioned in
this manual.
3. Definition Of Level 1 Service
The definition of “level 1 service” is defined by Service Provider (SP hereafter)
based on service efficiency and effectiveness considerations. Normally level 1
means PCBA、Mechanical Parts、Internal Cable、Accessory Component、
Packing Material for LCD TV, The concrete composition of level 1 spare parts
will be mentioned in item 9, to show the level 1 list of materials.

Nexgen Mediatech Inc.
DATE 02/10/2006
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TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 6/31
6
4. Block Diagram
Inverter
LCD Panel
DC/DC Converter
Audio
Processor
&
Amplifier
OSD Keypad & Indicate LED
&Speaker Connector
Graphic Interface
TV
Interface
A/D Converter Video Decoder
LCD
Controller
MCU
SDRAM
LCD Panel Interface
Audio & Power Interface
Speaker-R
Speaker-L
Power
Adapter
TV Module
To CATV

Nexgen Mediatech Inc.
DATE 02/10/2006
VER V1.0
TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 7/31
7
5. Disassembly Procedures
Tools. MODEL: NLC-3216
Remove screws Remove Power ‘s screws
Remove Power’s wires Remove AC Plug’s screws

Nexgen Mediatech Inc.
DATE 02/10/2006
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Power supply Remove wall mount screws
Wall mount Remove M/B’s EMI shelling

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DATE 02/10/2006
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9
EMI shelling
Remove M/B
M/B with Tuner, Attention Please!!! This Model Without TUNER

Nexgen Mediatech Inc.
DATE 02/10/2006
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Remove Keypad kit
Keypad Remove IR board
IR board

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DATE 02/10/2006
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Remove front I/O
Front I/O PCBA Remove Speak Kit

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DATE 02/10/2006
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Speak R Speak L Be careful this FFC
SPK Remove PANEL
Panel bracket

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DATE 02/10/2006
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M/B to Panel’s FFC Be careful this lock
M/B to Inverter cable
Remove Panel’s screws Panel’s side bracket
.

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DATE 02/10/2006
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14
Stand kit and screws
Front bezel

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DATE 02/10/2006
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Light On
Test Missin
g
Line
6. Trouble Shooting Analysis
Defect Mode Failure Analysis Repair Testing
A
Bri
g
ht Dot
Dark Dot
Backli
g
ht
Li
g
ht Leaka
g
e
Mura
Ima
g
e Stickin
g
Bri
g
htness S
p
ot
Particle
Dot Defect
No Display
N
oise
Check PCB
Check Panel
Check PCB
Check Panel
Check PCB
Check Panel
Check Panel
M/B Chan
g
e
Panel Chan
g
e
Panel Chan
g
e
M/B Chan
g
e
Panel Chan
g
e
Panel Chan
g
e
M/B Chan
g
e
Next Step TEST
Completed
Abnormal
Display
NG

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DATE 02/10/2006
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Manual Without Tuner PAGE 16/31
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Flicker Check PCB M/B Chan
g
e
Check PCB
Check Panel
Check PCB
Check Panel
Check PCB
Check PCB
Panel Chan
g
e
Panel Chan
g
e
M/B Chan
g
e
M/B Chan
g
e
Panel Chan
g
e
M/B Chan
g
e
M/B Chan
g
e
Check PCB M/B Chan
g
e
Check Panel Panel Cable Chan
g
e
Check D-sub Cable D-sub Cable Change
Image Is
Too Dark Check Panel
Defect Mode Failure Analysis Repair Testing
Gray
Value
Display
R. G. B
Display
Abnormal
Display
Shut
Down
VGA No
Image
Power On
Display
A
bnormal
Next Ste
p
TEST
Completed
NG
A

Nexgen Mediatech Inc.
DATE 02/10/2006
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TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 17/31
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No Power Check PCB M/B Chan
g
e
Check FFC
Ke
yp
ad/B Chan
g
e
FFC Chan
g
e
LED Off M/B Chan
g
e
Ke
yp
ad/B Chan
g
e
Check FFC FFC Chan
g
e
Check PCB
Unavailable Check PCB M/B Chan
g
e
Ke
yp
ad/B Chan
g
e
Check FFC FFC Chan
g
e
Check Ke
yp
ad/B
LED Flicker Power Saving Mode
On VGA Push Any Key
To Restart
Defect Mode Failure Analysis Repair Testing
ON/OFF
Abnormal
Next Step TEST
Completed
NG
LED
Display
Abnormal
Abnormal
Keyboard
LED Dark
LED Abnormal

Nexgen Mediatech Inc.
DATE 02/10/2006
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TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 18/31
18
Check PCB
Check Panel
M/B Chan
g
e
Panel Chan
g
e
Cannot Use
Remote Control Check ke
yp
ad Board
Check Remote
Ke
yp
ad Chan
g
e
Remote Control
Or Battery Change
Check FFC FFC Chan
g
e
Defect Mode Failure Analysis Repair Testing
Other
Abnormal
Display
Display Flicker
(Tapping)
TEST
Completed
Next Step
NG

Nexgen Mediatech Inc.
DATE 02/10/2006
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TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 19/31
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Check PCB M/B Chan
g
e
No Sound S
p
eaker Chan
g
e
FFC Chan
g
e
M/B Chan
g
e
Ke
yp
ad/B Chan
g
e
M/B Chan
g
e
Check S
p
eaker
Check FFC
Check PCB
Sin
g
le Sound
Hear Phone
Defect Check Hear
Phone Jack
Defect Mode Failure Analysis Repair Testing
Sound Adjust
Abnormal
TEST
Completed
Audio
Abnormal
Check FFC
Check PCB
FFC Chan
g
e
M/B Chan
g
e

Nexgen Mediatech Inc.
DATE 02/10/2006
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TITLE Funai_NLC-3216 Level 1 Service
Manual Without Tuner PAGE 20/31
20
Check PCB M/B Chan
g
e
Check Cable Cable Chan
g
e
Check PCB M/B Chan
g
e
Check RF Cable RF Cable Chan
g
e
Check TV Module TV Module Chan
g
e
Check PCB M/B Chan
g
e
Check TV Module TV Module Chan
g
e
Defect Mode Failure Analysis Repair Testing
V
ideo
Abnormal
( AV , SV ,
CV , TV )
AV , SV ,CV
No Image
TEST
Completed
TV No Ima
g
e
TV No Sound
TV No Close
Caption
Or V-Chip
(
NTSC
)
TV No
Teletext
( PAL ,
SECAM
)