Panasonic CT-32HC14J User manual

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Service Manual
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MTNC040314C1
B19 Canada:B05
Color Television
lCT-32HC14J
CT-32HC14UJ
DX4M
©2004 MatsushitaElectricCorporation of America.Allrightsreserved.Unauthorized copying and distribution isaviolation of law.
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8Autodiagnosisfeature
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Thisreceiverincorporatesanewselfdiagnosisfeature.Withthisnewfeaturewill beeasierforthe
techniciantodetectthefailures.ThereisaLEDlocatedby thekeyboardon thefrontpanel,thisLED
willstartflashingwhenafailureisdetectedby thecircuitslocatedinspecificareas,dependingon
howmany timestheLEDisflashing, thiswill tell you whatcircuitshouldbechecked. Makeacount
offlashingandseethetableshownbelow.Pleaseusethisfeatureeffectivelyespecially
forintermittentproblems.
AFTERTHECOUNT
Proceed tocheckthatarea, verifywhatboardistheproblemlocated, thiswaytheareatocheckwill
bereduceduntil thefailureisfound.
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SOSoffrontLED
FLASHESPOSSIBLECIRCUITSOS
1POWER+140SOS1
2LOWB+D.C.SOS2
4HIVOLTAGEHHS HHS
5IC4511GC2M
6IC4518GC2S
8AUDIOAMP SOS4

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9EEPROMcopyjig
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ThisCTVhasafeaturethatallowstocloneorback-up mainEEPROMdataadjustmentsfroma
CTVto otherby connectingajigtotheCTVset.AjigpartnumberTXFJIG01SER, isavailable
throughMatsushita/PanasonicServices.
Preparation:
Toconnectthisjig, removethelowerbackcoverasinstructedon disassemblyforservicesection on
thisservicemanualand insertthejigintoA15 connectorlocatedon theA-Board.(Seefigure)
EEPROMcopyjigconnection
Proceduretocopy data:
1.Entertoservicemodeanddisplayservicemenu.
2.Select“AREA”DACand thenpressACTION button on remotetoenter.PressVOLright/left
toselectoneofthefollowingoptionsthenpressACTION:
¡SelectALLtocopy all main EEPROMdata
¡SelectADJtocopy onlyadjustmentdata.
¡SelectFIXtocopy onlyfixdata
3.Tocopy datafrommain EEPROMto jig, select“IN EX”DACand pressACTION button on
remote.
4.Tocopy datafromjigtomain EEPROM,select“EX IN”DACand pressACTION button on
remote.
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12 Chassis serviceadjustmentprocedures
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Allserviceadjustmentsarefactorypresetand shouldnotrequireadjustmentunlesscontrolsand/or
associatedcomponentsarereplaced.
140.0_VB+ voltagecheck
1.SettheBRIGHTand PICTUREtominimumby usingthePICTUREmenu.
2.ConnecttheDVMonTPD144(D-Boardby D2connector)and coldground
3.ConfirmthatB+voltageis144.0V±1.5V.ThisvoltagesuppliesB+ tothehorizontaloutput
and flybackcircuits.
Sourcevoltagechart
120VAClineinput.SettheBRIGHTand thePICTUREtominimumby usingthePICTUREmenu.
Usecold orhotground forthe(-) lead oftheDVMasneeded
A-BOARDVOLTAGE
STBY7V(BYIC804) A-BoardTPP97.5±0.6V
MAIN9V(BYIC875)A-BoardTPA79.0V±0.5V
MAIN5V(BYIC871)A-BoardTPA85.0V±0.3V
GC2.5V(BYIC872) A-BoardTPA92.5V±0.2
STBY3.3V(BYA1CONNECTOR)A-BoardTPA163.3V±0.2V
D-BOARDVOLTAGE
+B2(BYD2CONNECTOR)D-BoardTPD144144.0±1.5V
25V(BYD40 CONNECTOR)D-BoardTPD25027.5±2.0V
15V(BYD4CONNECTOR)D-BoardTPD15015.7±1.5V

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Highvoltagecheck
1.SelectanactiveTVchanneland confirmthathorizontalisinsync.
2.AdjustBRIGHTNESS and PICTUREusingPICTUREicon menu sovideojustdisappears.
3.ConfirmB+144 ±1.5Viswithinlimit.
4.Usingahighvoltagemeterconfirmthatthehighvoltageis33.0kV±1.0kV
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-15V(BYRL451) D-BoardTPD151 -16.0V±1.5V
SOUND+(BYD4CONNECTOR)D-BoardTPD160 16.5V±1.0V
SOUND-(BYD4) D-BoardTPD161 -16.5V±1.0V
220V(BYD2CONNECTOR)D-BoardTPD7210V±5.0V
12V(BYIC433)D-BoardTPA612V±0.5V

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14 Service mode(electronicadjustments)
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ThisreceiverhaselectronictechnologyusingtheICbusconcept.Itperformsasacontrolfunction
and it replacesmany mechanicalcontrols.Insteadofadjustingmechanicalcontrolsindividually,
many ofthecontrolfunctionsarenowperformedbyusing“on screen displaymenu”.(Theservice
adjustmentmode).
NOTE
Itissuggestedthatthetechnicianreadsallthewaythroughand understandthefollowingprocedure
forentering/exitingtheserviceadjustmentmode;thenproceedwiththeinstructionsworkingwith
thereceiver.Whenbecomingfamiliarwiththeprocedure,theflowchartforservicemodemaybe
usedasaquickguide.
Quickentry toservicemode
Whenminoradjustmentsneedtobedonetotheelectroniccontrols,themethod ofenteringthe
servicemodewithoutremovalofthecabinetbackisasfollowsusingtheremotecontrol:
1.SelectSET-UPicon and selectCABLE mode.
2.SelectTIMERicon and setSLEEPtimefor30 Min.
3.Exit menus.
4.Tunetothechannel124.
5.AdjustVOLUMEtominimum(0).
6.PressVOL (decrease)on receiver.Red“CHK”appearsinuppercorner.
NOTE
Afterreceiverissetintoservicemode,setTIMERbacktoNO.
Totogglebetweenagingand servicemodes:
Whilethe“CHK”isdisplayedon thelefttop corneroftheCRT,pressing“ACTION”and
“VOL”UPon theTVsimultaneouslywilltogglebetweenthemodes.Red“CHK”for
serviceand yellow“CHK”foraging.
7.PressPOWERon theremotecontroltodisplaytheserviceadjustmentmodesmenu, select
adjustmentbypressingthevolumeright/leftbuttonsand channelup/downbuttonson the
remoteand ACTION toentertheadjustment.

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NOTE
Someadjustmentsareavailableonlyinsomemodes(480i,480p,1080i);itisneededtoapply
theformat.A1080i,480p, 480ipatterncanbeobtainedfromPanasonic’sTU-DST51 set-top
box DTVdecoder.
Exitingtheservicemode:
ThisTVgoesoutfromservicemodewhenit isunpluggedorturnedOFF.Toexit theservicemode,
turntheTVOFF orunplugtheTVfromA.C.
Othermethod
PressACTION and POWERon thereceiversimultaneouslyforatleast2seconds.
Thereceivermomentarilyshutsoff;thencomesbackon tunedtochannel3withapresetlevelof
sound.
Any programmedchannels,channelscaption dataand someothersuserdefinedsettingswill be
erasedwhenexitedby pressingACTION and POWERon receiver.
IMPORTANTNOTE
AlwayscheckthattheTVexitstheservicemode.
Toconfirmcolors
Wheninservicemode(red“CHK”isdisplayed)pressRECALLon theremotecontroltoenterthe
purityfieldcheckmode
Enteringservicemode(open-backmethod)
Whilethereceiverisconnectedand operatinginnormalmode,momentarilyshorttestpoint

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FA1(A15 pin2)to coldground (A-Board).
Thereceiverenterstheagingmode.
Yellowletters“CHK”appearintheupperleftcornerofthescreen.
(Thevolumeright/leftand channelup/downwill adjustrapidly).
14.1Serviceadjustmentdefault valuesforserviceitems
14.2Instructionalflowchartforservicemode
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14.1Service adjustmentdefaultvaluesfor
serviceitems
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REGISTER DESCRIPTIONFORMAT
NTSC 480p (16:9) 1080i(16:9) 1080i(4:3)
MTSININPUTLEVEL 1A
SEPALLOWLEVELSEPARATION6
SEPAHHIGHLEVELSEPARATION20
CLOCKCLOCK128
COLORCOLOR2F17
TINTTINT7681
BRIGHSUB-BRIGHTNESS3B 42
CONTSUB-CONTRAST2365
B-Y_GMAGENTATINTADJ2E3E
CUTGGREENCUT-OFF0165
CUTRREDCUT-OFF0185
CUTBBLUECUT-OFF01A6
BRTBGRIGHT
RDRREDDRIVEA0
BDRBLUEDRIVEA0
HLINHORIZONTALLINEARITY797F
HPOSHORIZONTALPOSITIONING017A 0182
HWIDHORIZONTALWIDTH542F
PCC PINCUSHIONCORRECTION502A313E
PCCHG PINCUSHIONHIGH60A97
PCCLGPINCUSHIONLOW2759
PCCHS PINCUSHIONHIGH4333
PCCLSPINCUSHIONLOW3333
TOPGTOP CORNERPINCUSHION5B 554C5B
BTMGBOTTOM CORNERPINCUSHION4532494A
TOPSLTOP CORNERPINCUSHION SLICELEVEL 2867
BTMSLBOTTOM CORNERPINCUSHIONSLICELEVEL 2857
TRAPTRAPEZOID837E7F7D
PARAPARALLELOGRAM3448
SIDEE-WPINCUSHION ADJUSTMENT4678
HTRAP HORIZONTALTRAPEZOID1A1A1A14
VRASVERTICALPOSITION8C717B 79
VEAMPVERTICALSIZEA8E2999A
V-CVERTICALLINEARITY21262524
V-SVERTICALSCORRECTION 30251733
HDAFSHORIZONTALDAFPHASE5901C5A0
VDAFGVERTICALDAFGAINA063600
VMM_G---------------- F0F0
VMM_P---------------- F3F3
HHS ---------------- CB
EW_SW---------------- 000
VTOP---------------- 9C7E799B

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NOTE:
Theabovetableshowsthedefaultvaluesfortheserviceitems,thisvaluescanchangedependingon
theservicedTV.
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SOSSW---------------- 11

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14.2Instructional flowchartforservicemode
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IC2201
MTS
AUDIO IN
TNR001
IC3001
A/V SWITCH
A/V 1
A-BOARD
C2211
21
L OUT
R3128
C3128
59
22
R OUT
R3126
C3126
61
R3101
2
LV1
C3101
4
R3103
C3103
RV1
G-BOARD
LR
A/V 4
23
LV4
24
RV4
R3116
C3116
L
R3118
C3117
R
9
LV2
11
RV2
R3107
C3107
LV3 RV3
R3108
C3108
LV5
RV5
1
L
R3165
C3163
L
A/V 3
14
MPX IN
LR
54
52
L OUT 1
R OUT 1
R3185
R3184
C3185
C3184
64
63
R2
L2
A/V 2
18
RV3
16
LV3
R3112
R
C3112
R3110
C3110
L
2
0
L
4
DV-BOARD
R3172
C3172
AUDIO BLOCK DIAGRAM1/3 CT-32HC14J/UJ

IC3002
A/V SWITCH
IC2451
SOUND
PROCESSOR
11 12 78 79
L3 R3 L6 R6
R3165
C3163
R3166
C3165
R3191
C3191
R3192
C3193
LR LR
YUV 1 YUV 2
40
41
L OUT 1
R OUT 1
R3178
R
L
R3177
C2451
C2470
30
1
INB
INA
23
8
OUT B
OUT A
R2451
R2452
VAO
JACKS
VAO L
VAO R
R3185
R3184
8
5
8
4
64
63
R2
L2
Q2
4
Q2
4
R2348
C2332
R2342
R2325C2330
R2324
A
U
M
CI
R
20
L4
21
R4
V
-BOARD
LR
R3172
C3172
R3173
C3174
AUDIO BLOCK DIAGRAM2/3 CT-32HC14J/UJ

IC2302
AUDIO OUT
AMP
IC2304
VAO
AMP
2
3
8
R2451
10
IN L
R2452 R2335 C2375
18
IN R
R2333
3
5
1
7
3
OUT L
23
OUT R
L2331
L2332
R2338
Q2451
Q2452
R
L
R2348
3
2
R2325
3
0
AUDIO
MUTE
CIRCUIT
VAO MUTE FROM MPU
AUDIO MUTE FROM MPU
R2334 C2371
6
MUTE
AUDIO MUTE
FROM MPU
H-BOARD
AUDIO BLOCK DIAGRAM3/3 CT-32HC14J/UJ

A-BOARD
53
R3106
YIN1
Q3026
8
V2
R3025
V OUT
V3
R3115
1
V1
R3119
5
C1
R3117
3
Y1
22
R3104
V4
26
R3102
C4
R3162
Y
24
Y4
A/V 4
V 3
V 1
R3100
V
56
YOUT1
R3124
58
COUT1 R3125
39
YOUT2
R3122
37
COUT2 R3121
Y-IN
66
Y
C-IN
67 P
Y-IN
14 S
C-IN 16 S
R3109
15
V3
V2
R3113
19
C3
C2
R3110
17
Y3
Y2
V2
TV1-V
TV2-V
TNR001
63
60
R3127
R3129
TV
V5
TNR002
G-BOARD
IC3003
A/V SWITCH
V1 C1 Y1
H-BOARD
VIDEOBLOCK DIAGRAM 1/4 CT-32HC14J/UJ

IC5001
DVI
CONTROLLER
O
UT
IC3002
A/V SWITCH
5
Y4
7
PB4
9
PR4
14
Y3
16
PB3
18
PR3
R3188
Y2
R3189
R3190
PR2
R3162
Y1
R3163
PB1
R3164
PR1
PBOUT1
PROUT 1
44
YUV 2
YUV 1
PB2
79
96
43
MAIN PB
MAIN PR
YOUT1 102
MAIN Y
MAIN CC
IC4002
MPU
38
35
VIN2
VIN1
VIN3
CVBS0CVBS1
O
S
O
S
O
S
156,1
5
138,1
3
SUB CC
46
R
3124
R
3125
R
3122
R
3121
Y-IN
66 Y2
C-IN
67 PB2
Y-IN
14 SY_M
C-IN 16 SC_M
PBOUT2
PROUT2
36
35
SUB PB
SUB PR
YOUT2
SUB Y
38
91
105
11
VIN2
VIN1
VIN3
3252
RX0- RX0+ RX1-
51 49 48
RX1+ RX2- RX2+
23 26 31
IOR IOG IOB
IC5102
YUV
CONVERTER
13 14 15
V
OUT
Y
OUT
U
OUT
678
RIN GIN BIN
DV-BOARD
74 75 76
SY_S SC_S SY_S
H-BOARD
VIDEO BLOCK DIAGRAM 2/4 CT-32HC14J/UJ

IC4511
Global Core
Main Signal Processing
79
96
P
B
P
R
102
Y
MAIN CC
IC4002
MPU
38
35
VIN2
VIN1
VIN3
CVBS0CVBS1
27
26
24
OSD R
OSD G
OSD B
240
248
BCF GCF RCF BDV RDV
186
189
190 187
AO3AO4AO5
YUV 0-9 51-60
YIN 0-9 38-47
IC4507
5M FIFO
MEM
DI DO
6
7
9
26
29
42
45
62
64
65
153-149 136-132
FIN 0-4 FIN 5-9
0
.
.
.
.
.
.
.
9
0
.
.
.
.
.
.
.
9
11
12
15
20
24
47
51
56
59
60
FO 0-9
156,155,154,148,147,
138,137,131,130,129
DATA IN DATA OUT
ANALOG Y
DIGIT
A
UV0,UV1 255-256
4-11
RO 0-9
UVIN 0-9 24-33
SUB CC
254
VM
188
237
Y IN/OUT
UV IN/OUT
YUV OUT
YUV IN
BRG
IC4506
10 Bit
A/D
13
VIN+
YUV 0-4
YUV 5-9 20-16
27-23
RGB DRIVER
B G R BCF GCF RCF BDV RDV
B OSD G OSD R OSD
BOUT
GOUT
ROUT
P
B
P
R
Y
91
105
11
VIN2
VIN1
VIN3
R
D
VIDEOBLOCK DIAGRAM 3/4 CT-32HC14J/UJ

IC4518
Global Core
Sub Signal Processing
F
RCF BDV RDV
186
187
YUV 0-9 YIN0,YIN1, BSYIN 0-7
141-132
51-60
YIN 0-9 38-47 154-145 YOUT 0-9
136-132
FIN 5-9
A
OUT
ANALOG Y
DIGITAL Y
YUV 0-9
UV0,UV1 255-256 190-181
4-11
RO 0-9
UVOUT 0-9UVIN 0-9 24-33 168-159
A0-A7 A8,A9,BS SD0-SD7 SD8-SD15 SD16-SD23SD24-SD31
IC4525
64MBit SDRAM
25,26,27,60,61
62,63,64,65,66
A0-A10
2,4,5,7,8,10,11,13,74,76,77,79
80,82,83,85,31,33,34,36,37,39
40,42,45,47,48,50,51,53,54,56
DQ0-DQ31
229,220,231 214-207 245-238 203-196
256-249
ADDRESS DATA IN/OUT
3
A11
4
5
R
G
B
254
VM
9
VM
188
Y IN/OUT
UV IN/OUT
YUV OUT
YUV IN
228-221
IC4506
10 Bit
A/D
13
VIN+
YUV 0-4
YUV 5-9 20-16
27-23
Y IN/OUT
UV IN/OUT
YUV OUT
YUV IN
E
R
F
RCF BDV RDV
R OSD
BOUT
GOUT
ROUT
DG-BOARD
VIDEO BLOCK DIAGRAM 4/4 CT-32HC14J/UJ

1 234 56 7 8
A
B
C
D
E
F
G
H
I
J
A-BOARD 1/3 TNP2AH063 CT-32HC14J/UJ