Panasonic TX-32PM1 User manual

Service Manual
Colour Television
TX-32PM1
TX-28PM1
GP4 Chassis
SPECIFICATIONS
(Information in brackets [ ] refers to model TX-28PM1)
Power Source: 220-240V a.c., 50Hz
Power Consumption: 86W [78W]
Stand-by Power
Consumption: 1,3W
Aerial Impedance: 75:unbalanced, Coaxial Type
Receiving System: PAL-I, PAL-525/60
M.NTSC (AV only)
NTSC (AV only)
Receiving Channels: VHF A1-S20
UHF E21-E69
CATV S21-S41 (Hyperband)
Intermediate Frequency:
Video/Audio
Video 38,9MHz
Audio 32,9MHz
32,35MHz (NICAM)
Colour 34,47MHz
Terminals:
AUDIO MONITOR OUT Audio (RCAx2) 500mV rms 1k:
AV1 IN Video (21 pin) 1V p-p 75:
Audio (21 pin) 500mV rms 10k:
RGB (21 pin) 0,7V p-p 75:
AV1 OUT Video (21 pin) 1V p-p 75:
Audio (21 pin) 500mV rms 1k:
AV2 IN Video (21 pin) 1V p-p 75:
Audio (21 pin) 500mV rms 10k:
S-Video IN Y: 1V p-p 75:
(21-pin) C:0,3V p-p 75:
AV2 OUT Video (21 pin) 1V p-p 75:
Audio (21 pin) 500mV rms 1k:
AV3 IN S-Video IN Y: 1V p-p 75:
(4-pin) C:0,3V p-p 75:
Audio (RCAx2) 500mV rms 10k:
Video (RCAx1) 1V p-p 75:
High Voltage: 32kV ± 0,9kV [31kV ± 1kV]
Picture Tube: W76EKX50X21 76cm
[W66MAF185X03 66cm]
Audio Output: 2x7W RMS, 2x15W MPO,
8:impedance
Headphones: 8:Impedance
Accessories
supplied : Remote Control
2 x R6 (UM3) Batteries
Dimensions:
Height: 566mm [515mm]
Width: 902mm [766mm]
Depth: 550mm [529mm]
Net weight: 56kg [38kg]
Specifications are subject to change without notice.
Weights and dimensions shown are approximate.
ORDER No. 04-SM-001
Panasonic CS ( U.K. ) Ltd.
WILLOUGHBY ROAD,
BRACKNELL,
BERKS.,
RG12 8FT.

WAVEFORM PATTERN TABLE
CONDITIONS: Contrast: MAX, Brightness: MID, Colour: MID, Sharpness: MID

ALIGNMENT SETTINGS
(The figures below are nominal and used for representative purposes only.)
1. Set the Bass to maximum position, set the Treble to minimum position, set the Volume to minimum then press the
down button (-/v) on the customer controls at the front of the TV and at the same time press the INDEX button on the
remote control, this will place the TV into the Service Mode 1.
2. Press the RED / GREEN buttons to step up / down through the functions.
3. Press the YELLOW / BLUE buttons to alter the function values.
4. Press the OK button after each adjustment has been made to store the required values.
5. To exit the Service Mode, press the "N" button.
Alignment Function Setting indication
Note: All setting values are approximate Settings / Special features
EAROM copy TV/EXT ---
FLASH program copy EXT -> TV ---
Horizontal Position H-Pos
-15 Optimum setting.
Vertical Position V-Pos
10 Optimum setting.
Horizontal Amplitude H-Amp
85 Optimum setting.
Vert. Amplitude V-Amp
22 Optimum setting.
EW-amplitude EW-Amp 1
- 20 Optimum setting.
Lower Corner Lower Corner
5Optimum setting.
Trapezium-comp Trapez 1
-4 Optimum setting.
Upper Corner Upper Corner
3 Optimum setting.
Vertical Linearity V-Lin
24 Optimum setting.
Vertical Symmetry V-Sym
-12 Optimum setting.
Angle Angle
2 Optimum setting.
Bow Bow
-2 Optimum setting.
DVCO DVCO
-1
Receive a PAL Colour Bar Pattern. For
DVCO alignment press "Blue" button, wait
until the figure colour is changed from red
to black colour.
Highlight
Lowlight
High 0451 0401 0380
Low 0270 0277 0256 Optimum setting.
Sub-Brightness Sub-Brightness
7Optimum setting.

VIDEO & STEREO AUDIO BLOCK DIAGRAM
R
5
3
4
5
3
4
CRT
L-BOARD
IC351
123
B 7 G 8
R 9
Q354
D362
D363
D364
L2
D15
IC601
16 IF1
VCT4973G-PZ
17 IF2
AA_R_VCT 32
AA_G_VCT 31
AA_B_VCT 30
71 AA_BOUT
72 AA_GOUT
73 AA_R OUT
X201
AV1 21 PIN SCART
20 VIDEO IN
15 R IN
11 G IN
19 VIDEO OUT
7B IN
6L IN
3L OUT
2R IN
1R OUT
AV2 21 PIN SCART
20 VIDEO/Y IN
19 VIDEO OUT
6L IN
3L OUT
2R IN
1R OUT
IC2301
AUDIO OUTPUT
4R IN
2L IN
L OUT P 12
L OUT M 11
R
L
JK3201
VLR
1
2
3
G3
G-BOARD
D-BOARD
5
2
3
5
2
3
D21 G21
4
1
2
3
D18
4
R
L
G4
2 1 4
3
R OUT M 9
R OUT P 8
TUNER
10
JK2301
Q2303
Q301
L
R
L
R
L(0)
L(1) R(1)
R(0)
L
HEADPH
Front AV2 terminal
1542367
R G
B
11
4AA_SPEAKL
5AA_SPEAKR
AA_AVVCTL 8
AA_AVVCTR 9
AA_AMOUTL 10
AA_AMOUTR 11
AA_AV1_CVBS 33
AA_AV2_C 34
AA_AV2_CVBS 35
AA_AV3_C 36
AA_AV3_Y 37
AA_AV3_CVBS 38
AA_AV1_OUT 40
AA_AV2_OUT 41
IC2303
AUDIO SWITCH
AA_AV1_IL 4
AA_AV2_IL 5
AA_AV3_IL 6
AA_AV1_IR 25
AA_AV2_IR 24
AA_AV3_IR 23
AA_AV1_OL 12
AA_AV1_OR 13
AA_AV2_OL 14
17 AA_AMOUTR
16 AA_AMOUTL
AA_AV2_OR 15
AA_RFOUTL 6
AA_RFOUTR 7
9AA_RFOUTL
20 AA_RFOUTR
15 C_IN
CY
7
6
7
6
Q302 Q303
Q304 Q305 Q306
Q2301
Q2304
Q2302
Q605
Q606
Q353 Q352 Q351
66
82 AA_SENSE

POWER SUPPLY BLOCK DIAGRAM
AUDIO OUTPUT
D - BOARD
1
4
S840
RL801
G5
Mains In
+
~
D803A
~
F840
Line
Filte
r
L831
Line
Filte
r
L832
PFC
Filter
L804
A
D802
D801
1
2
G7
Degauss
coil
1
3
G6
5
IC801
POWER
SUPPLY
43
6
1
1
3
D6
5
R822 R823
T801
B1
P1
P2
S6 S7
S4
S1
S5
D872 D883 D866 D848 D849 D870
Q846
Q847
Q850
D867 D868
IC802
REG 8V
5V
10,5V
6,5V
T551
9
7
2
1
IC451
VERTICAL
2,6 4
D552
D513 D515
TUNER
3
4
D1
7
1
D4
15V
D881 D882
5V_SBY
T553
3
1
3
D5
7
9
5V
3
4
G1
7
1
L2
1
3
L3
IC351
RGB OUTPUT
6
L - BOARD
8V
Q841
IC1900
GEOMAGNETIC
CORRECTION
10
D1061
Q1900
RC
LED
6,5V
3,3V_SBY 5V_SBY
10,5V
Q906
215V
Q354
Q908
G - BOARD
POWER BUS
IC860
-14V
14V
142V R887
30V
142V
IC1062
1
2
400V
STR_Vcc
D837
D836
4 1
8
5
VCC
R003
R801
IC854A
REG
1
3
5
IC857
REG
21
IC852
REG
21IC855
REG
12
IC851 REG
126 7
D892
IC856A
REG
1
3
5
D884
D897
D874 D873
3,3V
5V_
DEF
3,3V_SBY
1,8V_SBY
IC601
VCT4973G-PZ
2
8V
19,20,87
5V_DEF
21,64,68
3,3V
24,43
1,8V_SBY
46,65
3,3V_SBY
IC605
16
5V_SBY
IC2301
7
15V
5
5V
IC2303
3
AUDIO
SWITCH
IC602
16
5V_SBY
PORT
EXPANDER
IC603
2
3,3V_SBY
IC1103
8
3,3V_SBY
EAROM
RESET I C SWITCH
2
D864 D869
R869
10,5V
9V
8V
5V_SBY
1313
3,3V_SBY
10,5V 6,5V
2
D7
SERVICE
5V_SBY
POWER BUS
D825
R825
142V
6,5V
10,5V

CONTROL BLOCK DIAGRAM
IC601
MICROPROCESSOR
51 KEYSCAN
TUNER
5SDA
4SCL
LOCAL KEYS
SWITCHING
MATRIX
52 SLOW 1
53 SLOW 2
RESET 18
47 LED
3,3SDA 58
3,3SCL 57
VCT_MUTE 49
XTAL2 26
XTAL1 25
5
6
D7
RM
7
8
SERVICE/TEST
AV1 21 PIN SCART AV2 21 PIN SCART
1
2
D1
5
1
2
G1
5
LED
RM
KEYSCAN
LED
G - BOARD
56 RM
8SLOW1
8SLOW2
12 SDA_SW2
10 SCL_SW2
X
601
D - BOARD
D2107
10 AV LINK2
Q1105
Q1106
AV LINK OUT 28
AV LINK IN 27
ST/ON 50
Q857
48 GEO
66
Q1900
IC 1900
GEOMAGNETIC
CORRECTION
GEO
POWER SUPPLY
REMOTE
IC1062
AGC 14
1AGC
RM
SDA
SCL
KEYSCAN
D1061
Q1104
Q1107
4AV_LINK
IC605
9Q_SW
SWITCH
23,3SCL
3AV_LINK2
10 SERVICE
12 SDA_SW1
13 SDA_SW2
14 3,3SDA
15 SCL_SW2
VPROT 59
6 MUTE IC2301
LA42072
SCL 27
IC2303
AUDIO
SWITCH
SDA 28
SCL_SW1 6
IC1103
EAROM SDA_SC1 5
SCL 1
IC602
PORT EXP SDA 2
Q602
Q1110 Q1111
LEVEL SHIFTER
SDASCL
3,3SDA3,3SCL
Q_SW 7
SERVICE 6
10 REG_ON_OFF
DISABLE 3,5
IC851 STV8131
9DEGAUSS
99
DEGAUSS
Q841
1OUT
IC603
RESET
Q1062
Q608
Q2305
Q2101
HW MUTE
Generating
unit
MUTE_MONITOR
D601
FBIN 78
16 FBIN
Q603 Q604
AB_PROT1
6
RL801
5V
Q2301 Q2303
D2108
Q871

DEFLECTION BLOCK DIAGRAM
IC601
MICROPROCESSOR
EW 83
H-OUT 60
IC451
VERTICAL
7
1
T553
T551
10
V- 84
V+ 85
Q501
Q551
Q702
GEO 48
6
G1
6
D1
IC1900
GEO
6
8
Q1900 1
2
G9
ROTATION
COIL
2
1
D10
3
4
DEFLECTION
D - BOARD G - BOARD
5
1
4
6DIODE
MODULATOR
Q703 Q701
HFLB 61
6
VPROT 59
D601
VFLB
Q704