Specifications
Table Of Contents
- Contents
- 1. Technical Specifications, Connections, and Chassis Overview
- 2. Safety Instructions, Warnings, and Notes
- 3. Directions for Use
- 4. Mechanical Instructions
- 4.1 Disassembly Procedures
- Figure 4-1 Exploded view 51” cabinet
- 4.1.1 Lower Center Back Cover Removal (86)
- 4.1.2 Side Back Cover Removal
- 4.1.3 Large Signal Board Removal (LSB)
- 4.1.4 AC Input Panel Removal
- 4.1.5 Small Signal Module Removal (SSM)
- 4.1.6 Side Jack Panel Removal
- 4.1.7 PIP Panel Removal (if present)
- 4.1.8 Small Signal Board Removal (SSB)
- 4.1.9 Convergence Panel Removal (ACS)
- 4.1.10 Wide Band Video Panel Removal (HOP)
- 4.1.11 Front Control Panel and Left or Right Speaker Removal (5)
- 4.1.12 Upper Back Cover Removal (4)
- 4.1.13 Plastic Light Barrier Removal (Optical Assembly)
- 4.1.14 Mirror Mounting Board Removal (57)
- 4.1.15 Complete Optical Assembly or Individual CRT Assembly Removal
- 4.2 Service Position
- 4.3 Picture Tube Replacement
- 4.4 Set Re-assembly
- 4.1 Disassembly Procedures
- 5. Service Modes, Error Codes, and Fault Finding
- 5.1 Test Conditions
- 5.2 Service Modes
- 5.3 Problems and Solving Tips (related to CSM)
- 5.4 ComPair
- 5.5 Error Codes
- 5.6 The ”Blinking LED” Procedure
- 5.7 Trouble Shooting Tips
- 6. Block Diagrams, Testpoint Overviews, and Waveforms
- 7. Circuit Diagrams and PWB Layouts
- Power Supply Panel: AC Input
- Layout Power Supply Panel (Top Side)
- Layout Power Supply Panel (Bottom Side)
- SSB: SIM Connector (Male)
- SSB: IF, I/O Videoprocessing
- SSB: Feature Box (100Hz Processing)
- SSB: HOP
- SSB: Audio Demodulator
- SSB: Painter
- Layout SSB (Top Side)
- Mapping Layout SSB (Top Side)
- Mapping Layout SSB (Bottom Side)
- Layout SSB (Bottom Side)
- SSM: Tuner
- SSM: I/O’s
- SSM: Video Buffer
- SSM: Convergence HV Output 1
- SSM: Convergence HV Output 2
- SSM: Interconnections
- SSM: Audio Amplifier
- SSM: Headphone Amplifier
- Mapping SSM C1-C8 Part 1
- Mapping SSM C1-C8 Part 2
- Mapping SSM C1-C8 Part 3
- Layout SSM (Top Side)
- Layout SSM (Bottom Side)
- CRT Panel: Red
- CRT Panel: Green
- CRT Panel: Blue
- Mapping CRT Panel: Red, Green, and Blue
- Layout CRT Panel (Top Side)
- Layout CRT Panel (Bottom Side)
- Large Signal Panel
- Large Signal Panel
- Large Signal Panel
- LSP: Diversity Tables
- Layout Large Signal Panel (Top Side)
- Layout Large Signal Panel (Bottom Side)
- Side Jack Panel
- Mapping Side Jack Panel G1
- Layout Side Jack Panel (Top Side)
- Layout Side Jack Panel (Bottom Side)
- ACS Module
- ACS Module
- ACS Module
- Mapping ACS Module H1-H3
- Layout ACS Panel (Top Side)
- Layout ACS Panel (Bottom Side)
- HOP Panel
- HOP Panel
- Diversity HOP Panel J1 and J2
- Mapping HOP Panel Part 1
- Mapping HOP Panel Part 2
- Layout HOP Panel (Top Side)
- Layout HOP Panel (Bottom Side)
- Keyboard Panel
- Mapping Keyboard Panel
- Layout Keyboard Panel (Top and BottomSide)
- UART Interface Module
- Layout UART Interface Modukle
- 8. Alignments
- 8.1 General Alignment Conditions
- 8.2 Hardware alignments
- 8.3 Software Alignments
- 8.4 Convergence and Geometry Adjustments
- 8.5 Option Settings
- 9. Circuit Descriptions, List of Abbreviations, and IC Data Sheets
- 9.1 Introduction
- 9.2 Power Supplies
- 9.3 Video
- Figure 9-7 Video signal block diagram
- 9.3.1 Side Jack Panel
- 9.3.2 SSM composite Inputs
- 9.3.3 SSM Video Switching
- 9.3.4 SSB Video Switching
- 9.3.5 SAW Filter Switching
- 9.3.6 3D Comb Filter
- 9.3.7 Sound Trap Switching
- 9.3.8 1fH Component Buffer Amplifiers
- 9.3.9 Feature Box
- 9.3.10 Eagle
- 9.3.11 ATSC module
- 9.3.12 SSM HOP Buffer Amplifiers
- 9.3.13 HOP RGB/YUV Switching
- 9.3.14 HOP Signal Processing
- 9.3.15 HOP Sharpness Control
- 9.3.16 HOP Tint Control
- 9.3.17 HOP RGB Amplifiers
- 9.3.18 HOP Analogue Control
- 9.3.19 CRT Panel
- 9.3.20 HOP Sync Switching and Processing
- 9.3.21 Line Output
- 9.3.22 Frame Amplifier
- 9.3.23 High Voltage Circuit
- 9.3.24 Shutdown
- 9.3.25 Convergence
- 9.4 Audio
- 9.5 Control/OSD
- 9.6 List of Abbreviations
- 9.7 IC Data Sheets
- 10. Spare Parts List
- 11. Revision List
48DPTV585 AA 7.
Circuit Diagrams and PWB Layouts
Large Signal Panel
1. CAPACITANCE VALUES ARE IN FARADS:
m=MILI u=MICRO n=NANO p=PICO f=FEMTO
2. RESISTANCE VALUES ARE IN OHMS:
R=OHM K=KILO M=MEGA G=GIGA T=TERA
3. SAFETY TRIANGE REPRESENTS PCEC REPLACEMENT PART ONLY.
4. FOR VALUE SEE TABLE.
*
COMP
FF
COMP
(REDUCED FREQUENCY)
Iref
Sync
Vdem in
Vref
UVLO1
Iref
CONTROL
Dmax & SOFT-START
Vovp out
R standby
P
CURRENT SENSE INPUT
OVERVOLTAGE
MANAGEMENT
Vref
Soft Start & Dmax
Iref
Vdem out
Vcc
GND
Vc
OUTPUT
BUFFER
Vref
OSCILLATOR
SUPPLY &
INITIALIZATION BLOCK
BLOCK
REFERENCE
MANAGEMENT
PROTECTION
OVERVOLTAGE
AMP
ERROR
STANDBY
THERMAL
SHUTDOWN
CURRENT
SENSE
T
R standby
F
2.5V
VOLTAGE
FEEDBACK
FOLDBACK
FOLDBACK INPUT
18V
UVLO1
C
Iref
Vcc
enable
Vref
E/A OUT
DEMAGNETICATION
Vosc prot
Vosc
QSet
Reset
Latch
Rref
BAT254
6211
RESERVED
N
84
J
9
11
J
M
17
7
I
B
D
F
O
15
5
19 2012
19
1 13
12
RESERVED
- 35V
C
A
H
82
A
10
G
2
10
B
6 18
FAN
E
14
O
F
+ AUDIO
+22V
- AUDIO
1
M
9
+35V
20
- 22V
P
P
13
PWR FAIL
HDR2K3 LSB
N
18
17
C
16
16
I
RESERVED
D
3
E
6
G
1-C10
H
4
14
K
7 15
3135 033 33411 01
11
L
5
K
3
L
150R
3351
2334
4n7
2318
100n
I893
I137
2361
470p
I133
3315
15K
GND_C
470p
2302
I158
2269
2n2
AGND
I123
I165
2330
1m
75R
3312
6306
BY229X-600
2267
10n
5320
I890
1N4148
6320
5315
F111
HEATSINK
0213
123
1u
2328
9210
9000
100p
2271
I148
0043
HEATSINK
12
2336
10u
I162
3327
100R
3313
10K
I121
470u
2313
220R
3301
NOTES
9211
I141
F139
9001
3357
3354
4K7
1001
EH-B
1
2
3
4K7
100R
3328
GND_C
I159
GND_C
6213
BZX284-C15
5305
1u
5321
I117
I898
3309
0R22
470p
2319
F116
BYV95C
6301
2331
1m
I161
F137
F127
6309
BY229X-600
2303
100u
F131
AGND
GND_C
F119
2371
100n
10u
5317
I151
1
3
I110
I149
7304
TL431
2
I168
1-L17
I188
7300
BC547B
100K
3324
6321
1N4148
3365
220R
5304
GND_C
1K
3304
5323
GND
1
OUT 3
RES 4
THR6
TR 2
VCC
8
7214
NE555D
CTRL 5
DISC7
6313
1u
2306
F107
1N4148
2278
470p
AGND
10u
5309
2-N19
3361
4K7
10K
3305
2353
220p
I154
I124
4K7
3356
3314
82K
I160
3339
68R
5312
I169
F141
12
2
3
4
5
6
7
8
9
I152
6K8
EH-B
1518
1
10
11
F114
3362
3267
150R
1m
100n
2270
I147
2324
5318
BYD33D
6310
I130
3325
47K
2366
1m
F117
I889
2346
I118
5306
100n
3329
330R
I166
4K7
3353
3286
47K
I897
BY229X-600
6304
F120
2339
470u
3K3
3363
I143
3300
22K
470u
2337
F113
GND_C
10n
4K7
3355
GND_C
2349
5308
1u
F140
470u
2300
1m
2316
100n
2325
I113
I111
2-C20
4K7
3352
5303
F129
I164
1m
2362
2317
1m
15K
3343
W8051
5330
F106
100n
2279
F118
2322
100n
3306
F133
GND_C
10K
3277
15R
6316
F135
I119
BY229X-600
2-D20
4n7
2307
GND_C
5316
10u
220R
3302
2327
1m
GND_C
I190
I140
470p
2305
2323
470p
I171
5311
I150
47K
3350
F115
I127
2309
3285
47K
F128
3338
10K
82p
I156
3360
100R
5240
I153
2312
470p
6315
MUR8100E
8K2
3321
3317
47K
15K
3319
12
I114
I157
GND_C
HEATSINK
0033
270R
3281
68K
3359
23
14
5314
10u
G5PA-1-5VDC
1305
11
9 2
1
14
2314
470u
MC44603A
10
7
8
13
5
4
3
6
15
12
16
7302
2n2
2390
I892
AGND
2268
100u
6303
1N5062
I192
GND_C
6302
1N5062
470u
2338
GND_C
390R
3310
F125
I146
1m
AGND
0035
12
2320
AGND
HEATSINK
100n
2326
I116
I139
F121
5HT
1300
5A0
7309
0032
12345
BC547B
MECHPART
15
42
F142
3
4
5
6
7
8
9
CQY80NG
7303
1516
EH-B
1
10
11
12
2
7213
MTP6P20E
GND_C
2335
100n
12
2354
47u
2n2
2333
HEATSINK
0041
GND_C
1m
2363
1m
BY229X-600
6307
0047
HEATSINK
12
2365
F108
I895
BY229X-600
6314
I134
100R
3291
5310
I163
2350
470p
I129
470R
3322
I145
5324
15K
3344
5302
GND_C
2-C2
GND_C
3294
3K3
I896
AGND
F136
3345
10R
100K
3303
150K
5301
2n2
2301
3318
I173
GND_C
2310
8K2
3320
I170
680p
I135
3311
4R7
3307
4R7
I172
I128
I120
1506
PCB-TAB4.8x0.5
1
2
VH
1500
1
2
3
4
5
GND_C
2321
1m
F134
2370
100p
5319
9K1
3280
2n2
2308
4n7
2K7
3323
2277
I132
GND_C
I191
7301
2
1
3
3358
18K
4K7
3326
STW13NB60
I174
2-L2
I138
10u
5336
I112
10u
5322
I891
I894
2364
3347
10K
F132
470p
19
2
20
21
22
6
8
I136
5300
US54107
1
10
11 12
13
14
15
16
17
18
2391
2n2
470p
BYV95C
6318
HEATSINK
0034
1234
2329
21
1n
2311
330p
2304
0045
HEATSINK
12
I122
BYV28-200/20
6212
AGND
I142
I125
3316
1K
5241
AGND
0039
12
HEATSINK
2332
100n
MUR8100E
6305
6317
BY229X-600
I189
6308
BY229X-600
GND_C
2
I144
1
3
3-K2,2-F2
0037
HEATSINK
1
2315
470p
TL431
7305
2
I115
GND_C
2372
100n
3308
0R22
100n
2276
5313
VCC
5307
10u
STANDBY
+130VS
+130VHV
+5VSTDBY
+130VS
+15V
+5VSTDBY
STANDBY
PROTECT
DEFGND
VBLANK
VCC
+15V
HOUT
+130VS
VSCAN
VCC
VCC
HBLANK
E1
3135 033 3341.1
F_15120_016.eps
020805
LARGE SIGNAL PANEL