Panasonic tx-34p180b Bedienungsanleitung
Power Source
A
C
A
uto 110-240 V, 50
/
60 Hz
Power Consumption 191 W
Standb
y
condition: 11 W
Receiving System
Function 21 S
y
stems
Reception of broadcast P
A
LB,G,H
transmissions and Playbac
k
P
A
LI
from Video Cassette Tape P
A
LD,K
Recorders SEC
A
MB,G
SEC
A
MD,K
SEC
A
MK1
NTSC M (NTSC 3.58
/
4.5 MHz
Playbac
k
from special NTSC 4.43
/
5.5 MHz
VCRs NTSC 4.43
/
6.0 MHz
NTSC 4.43
/
6.5 MHz
NTSC 3.58
/
5.5 MHz
NTSC 3.58
/
6.0 MHz
NTSC 3.58
/
6.5 MHz)
SEC
A
MI
Playbac
k
from Special Disc P
A
L60Hz
/
5.5 MHz
Players and Special VCRs P
A
L60Hz
/
6.0 MHz
P
A
L60Hz
/
6.5 MHz
SEC
A
M60Hz
/
5.5 MHz
SEC
A
M60Hz
/
6.0 MHz
SEC
A
M60Hz
/
6.5 MHz
NTSC 50 Hz
/
4.5 MHz
©2004 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
TX-34P180B
GP2 Chassis
Receiving Channels Regular TV
VHF BAND 2-12 (P
A
L
/
SEC
A
MB,K1)
0-12 (P
A
LB
A
UST.)
1-9 (P
A
LBN.Z.)
1-12 (P
A
L
/
SEC
A
MD)
1-12 (NTSC M Japan)
2-13 (NTSC M U.S.
A
.)
UHF BAND 21-69 (P
A
LG,H,I
/
SEC
A
M G,K,K1)
28-69 (P
A
LB
A
UST.)
13-57 (P
A
LD,K)
13-62 (NTSC M Japan)
14-69 (NTSC M U.S.
A
.)
CATV S1-S20 (OSC
A
R)
1-125 (U.S.
A
.C
A
TV)
C13-C49 (J
A
P
A
N)
S21-S41 (H
Y
PER)
Z1-Z37 (CHIN
A
)
5
A
,9
A
(
A
UST.)
Receiving Stereo System NIC
A
MI,NIC
A
MB
/
G, NIC
A
MD,
A
2
(German)
Tuning System Frequenc
y
s
y
nthesizer
A
uto Search Tuning
POSITION: 100 Position
DIRECT: 125 Position
High Voltage 32.0 ± 1.0 kV at zero beam current
Picture Tube Overall Picture tube measured
Colour Television
Specifications
Order No. MTV0401338C3
(M8OLSW096
X
)
diagonall
y
:73cm
Viewable Picture tube measured
diagonall
y
:68cm
CRT Deflection: 104 °
A
udio Output 20W
Headphones 3.5 mm Plug
A
erial Impedance 75 ΩUnbalanced Coa
x
ial
Video /
A
udio / Component
A
V1,2,3,4
S-Video In
Y
:1 Vp-p, 75 Ω
DVD C:0:3 Vp-p 75 Ω
Y
1.0Vp-p, 75 Ω
PB0.7Vp-p, 75 Ω
PR0.7Vp-p, 75 Ω
Monitor Out Video In 1 Vp-p, 75 Ω
A
udio In
A
ppro
x
.0.4V47kΩ
Video Out 1 Vp-p, 75 Ω
A
udio Out
A
ppro
x
.0.4V1kΩ
A
V1 IN (Rear): S-Video,
1 SAFETY PRECAUTIONS 4
1.1. General Guide 4
1.2. Leakage Current Cold Check 4
1.3. Leakage Current Hot Check (See Fig. 1) 4
1.4. X-Radiation 5
2 SERVICE HINTS 6
2.1. HOW TO REMOVE THE REAR COVER 6
2.2. HOW TO MOVE THE CHASSIS INTO SERVICE
POSITION 6
2.3. HOTEL MODE 6
3 SELF CHECK 7
4 MARKET MODE FUNCTION 8
5 ADJUSTMENT PROCEDURE 11
5.1. VOLTAGE CONFIRMATION 11
5.2. E.H.T CHECK 11
5.3. SUB CONTRAST 11
5.4. SUB TINT 12
5.5. SUB COLOUR 12
5.6. VRS ADJUSTMENT 13
5.7. COLOUR PURITY 14
5.8. CONVERGENCE 14
5.9. CUT OFF 15
5.10. WHITE BALANCE 16
5.11. FOCUS 16
5.12. GEOMAGNETIC 16
Video,
A
udio L
/
R terminals
A
V2 IN (Front): S-Video,
Video,
A
udio L
/
R RGB
Terminals
A
V3 IN (Rear): Video,
A
udio
L
/
R terminals
A
V4 IN (Rear): Video or
Y
/
PB
/
PR,
A
udio L
/
R
terminals
RGB Input High-DENSIT
Y
D-sub 15 pin
31.5 kHz / 60 Hz (640
x
480 dot) and
31.5 kHz / 70 Hz (640
x
400 dot)
Remote Control Transmitter R6 (
A
A
)Batter
y
x
2
75 Ωcoa
x
ial aerial plug
Dimensions (W
x
D
x
H) 899 mm
x
567 mm
x
674.9 mm
Weight (Mass) 71 kg (Net)
Note :
Design and Specifications are sub
j
ect to change without notice.
Weight and Dimensions shown are appro
x
imate.
5.13. SUB BRIGHT 16
6 DEFLECTION ADJUSTMENT 17
6.1. V-Adjustment / Confirmation (4:3 Mode) 17
6.2. H-Deflection Confirmation / Adjustment (4:3 Mode) 17
6.3. EW Adjustment / Confirmation (4:3 MODE) 18
6.4. 525p (YUV) DEFLECTION (4:3 MODE) ADJUSTMENT /
CONFIRMATION 19
6.5. 525p (YUV) DEFLECTION (16:9 MODE)
CONFIRMATION. 19
6.6. 625p (YUV) DEFLECTION (4:3 MODE) CONFIRMATION.
20
6.7. 625p (YUV) DEFLECTION (16:9 MODE)
CONFIRMATION. 20
6.8. V-LINEAR ADJUSTMENT / CONFIRMATION (4:3 MODE)
20
6.9. Table 1 20
7 CONDUCTOR VIEWS 21
7.1. D-Board 21
8 SCHEMATIC DIAGRAMS 22
8.1. SCHEMATIC DIAGRAM NOTES 22
8.2. GM BOARD 24
8.3. L BOARD 26
8.4. A BOARD 29
8.5. D BOARD 34
8.6. G BOARD 39
CONTENTS
Page Page
2
TX-34P180B
9 PARTS LOCATION 41
10 REPLACEMENT PARTS LIST 42
10.1. Replacement Parts List Notes 42
10.2. Replacement Part List 43
3
TX-34P180B
1 SAFETY PRECAUTIONS
1.1. General Guide
1. It is advisable to insert an isolation transformer in the AC
supply before servicing a hot chassis.
2. When servicing, observe the original lead dress, especially
the lead dress in the high voltage circuits. If a short circuit is
found, replace all parts which have been overheated or
damaged by the short circuit.
3. After servicing, see to it that all the protective devices such
as insulation barriers, insulation papers, shields and
isolation R-C combinations, are properly installed.
4. When the receiver is not to be used for a long period of
time, unplug the power cord from the AC outlet.
5. Potential, as high as 31.0 kV is present when this receiver
is in operation. Operation of the receiver without the rear
cover involves the danger of a shock hazard from the
receiver power supply. Servicing should not be attempted
byanyone who is not thoroughly familiar with the
precautions necessary when working on high voltage
equipment. Always discharge the anode of the picture tube
to the receiver chassis before handling the tube.
6. After servicing make the following leakage current checks to
prevent the customer from being exposed to shock
hazards.
1.2. Leakage Current Cold Check
1. Unplug the AC cord and connect a jumper between the two
prongs on the plug.
2. Turn on the receiver’s power switch.
3. Measure the resistance value, with an ohmmeter, between
the jumper AC plug and each exposed metallic cabinet part
on the receiver, such as screw heads, aerials, connectors,
control shafts, etc. When the exposed metallic part has a
return pathto the chassis, the reading should be between 4
MΩ
ΩΩ
Ωand 20 MΩ
ΩΩ
Ω. When the exposed metal does not have
a return path to the chassis, the reading must be infinite.
1.3. Leakage Current Hot Check
(See Fig. 1)
1. Plug the AC cord directly into the AC outlet. Do not use an
isolation transformer for this check.
2. Connect a 2kΩ, 10 W resistor in series with an exposed
metallic part on the receiver and an earth such as a water
pipe.
3. Use an AC voltmeter, with high impedance type, to
measure the potential across the resistor.
4. Check each exposed metallic part, and measure the
voltage at each point.
(Fig. 1)
5. Reverse the AC plug in the AC outlet and repeat each of the
above measurements.
6. The potential any point should not exceed 1.0 V rms. In the
case of a measurement being outside of the limits specified,
there is a possibility of a shock hazard, and the receiver
should be repaired and rechecked before it is returnedto the
customer.
4
TX-34P180B
1.4. X-Radiation
Warning:
1. The potential sources of X-Radiation in TV sets are the EHT
section and the picture tube.
2. When using a picture tube test rig for service, ensure that
the rig is capable of handling 32.0 kV without causing X-
Radiation.
Note: It is important to use an accurate periodically calibrated
high voltage meter.
1. Set the brightness to minimum.
2. Measure the High Voltage. The meter reading should
indicate 32.0 ± 1.0 kV. If the meter indication is out of
tolerance, immediate service and correction is required to
prevent the possibility of premature component failure.
3. To prevent the possibility of X-Radiation, it is essential to
use the specified picture tube.
5
TX-34P180B
2 SERVICE HINTS
2.1. HOW TO REMOVE THE REAR
COVER
1. Remove the 9 screws as shown in Fig. 1.
Fig. 1
2.2. HOW TO MOVE THE CHASSIS
INTO SERVICE POSITION
1. Hold and lift the rear of the chassis and gently pull the
chassis towards you as shown in Fig. 3.
2. Release the respective wiring clips and rotate the chassis
vertically through 90° anticlockwise.
3. After servicing replace the bead clamper and ensure all
wiring is returned to its original position before returning the
receiver to the customer.
(Fig. 3)
2.3. HOTEL MODE
Purpose
1. At Hotels, this Mode prevents the customer from changing
the TV preset data such as Channel preset data.
Note: This Mode is useful for Hotels. You should not get
into “Hotel mode” with Normal use.
Operation
1. To get into “Hotel Mode”, press the remote control “Recall”
button and Channel up “[+/ ]” key on the TVset
simultaneously, after setting the “Off-Timer” mode.
2. In this mode, the Channel up and down Function will be
enabled as normal and the maximum volume level for this
mode is set at the current volume level, i.e. the setting at
the level before entering the mode. However, other
functions will bedisabled.
3. To exit this mode, exit “Off-Timer” mode and the “Volume
Down [-/ ]” key simultaneously.
* This information isinformed by Service Manual only.
6
TX-34P180B
3 SELF CHECK
1. Selection of SELF CHECK Mode.
2. Press Timer button on the remote control and press button - on the TV set.
7
TX-34P180B
4 MARKET MODE FUNCTION
Outline:
MPU controls the functions switching for each Ics through Ics bus in this chassis. The following setting and adjustment can be
adjusted by remote control in Service Mode.
1. Selection of SERVICE 1 Mode
Adjust the Volume “ZERO” and set OFF TIMER button to 30 min. Then simultaneously press the Recal button on the remote
control and Volume button - the TV set.
2. Selection of SERVICE 1 Mode
Cursor moves each Mode by pressing “3” or “4” of 10 key button on the remote control.
3. Selection of SERVICE 2 Mode
Adjust Volume “ZERO” and set OFF TIMER button to 30 min. Then simultaneously press the Recal button on the remote
control and Volume button - on the TV set then press MUTE button togetherpress - button on the TV set.
4. Selection of HOTEL Mode
Press recall button on the remote control and press button + on the TV set.
8
TX-34P180B
DATA
Option 1 00
b0 Colour system (TV) AUTO (1)
b1 SECAM (1)
b2 NTSC (1)
b3 M.NTSC (1)
b4 TV Colour system NTSC 50 (1)
b5 SECAM 60 (1)
b6 AV Colour system NTSC 50 (1)
b7 SECAM 60 (1)
Option 2 00
b0 CH Plan for Asia ASIA / M.E (1)
b1 NZ/INDNES (1)
b2 AUSTRALIA (1)
b3 E.EUROPE (1)
b4 SPECIAL (1)
b5 AMERICA (1)
b6 CATV (1)
b7 JAPAN (1)
Option 3 00
b0 PIP (1)
b1 2 TUNER (1)
b2 VGA (1)
b3 YUV (1)
b4 CRT (1)
b5 HYPER (1)
b6 SIF (1)
b7 SIF (1)
Option 4 00
b0 A2 4.5 (1)
b1 5.5 (1)
b2 6.0 (1)
b3 6.5 (1)
b4 NICAM 4.5 (1)
b5 5.5 (1)
b6 6.0 (1)
b7 6.5 (1)
Option 5 00
b0 A2 6.5M SELECT(1)
b1 NICAM PRIORITY ASIA / ME(1)
b2 HK / UK (1)
CHINA (1)
b4 NZ / INDONESIA
b5 AUSTRALIA (1)
b6 E.EURO (1)
b7 SPECIAL (1)
Option 6 00
b0 IF 38.9MHZ (1)
b1 SASO (1)
b2 IF12C (1)
MON.OUT AV1 MUTE (1)
b4 TUNER SLAVE C2 (1)
b5 ALPS TUNER (1)
b6 VCR GAME (1)
b7 COMB (1)
Option 7 00
b0 POWER ON EC (1)
b1 BLANKING TV (1)
b2 AV (1)
b3 AUTO WIDE (1)
b4 VOL.CORRECT (1)
b5 AV LINK (1)
b6 MPX DISPLAY N (1)
b7 NOISE MUE (1)
Option 8 00
b0 AC1 AUTOMP (1)
9
TX-34P180B
b1 GEOMAG CENSOR (1)
b2 GEOMAG POLAR (1)
b3 RF ATT. (1)
b4 FINE TUNEING (1)
b5 SLOW SEARCH (1)
b6 TOP (1)
b7 TELETEXT FLOP (1)
Option 9 00
b0 DOLBY (1)
b1 3D (1)
b2 EXPORT DOLBY (1)
b3 WOOFER LINEOUT (1)
b4 EXT. WOOFER
b5 D-3 (1)
b6 LOUDNESS (1)
b7 EXDAC VOL (1)
Option 10 00
b0 OSD LANGUAGE -
b1 ARABIC (1)
b2 RUSSIAN (1)
b3 CHINESE (1)
b4 -
b5 BC SAFETY (1)
b6 -
b7 PROT. 5V DET (1)
Option 11 00
b0 SHOPE MODE (1)
b1 -
b2 SUB HP (1)
b3 SCAN BLANK (1)
b4 14 : 9
b5 C4BIT (1)
b6 -
b7 -
Option 12 00
b0 -
b1 -
b2 -
b3 IRELAND (1)
b4 U.K (1)
b5 TEXT LATIN (1)
b6 TXT CIS (1)
b7 TXT E-EURO (1)
Option 13 00
b0 ACI EURO (1)
b1 ACI OFFSET (1)
b2 GP2 ADCWU (1)
b3 IRELAND (1)
b4 TEXT (1)
b5
b6
b7
10
TX-34P180B
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