Schematic Diagram Of A Board - HP D2846 Service Manual

D2846

(3) Schematic Diagram of A Board

C101
0.01 B:CHIP
C102
47 16V
C201
0.01 B:CHIP
C202
47 16V
CN402 C301
7P 0.01 B:CHIP
C302
WHT-L 47 16V
:S-MICRO
CONNECTOR
R IN 2 1 R
R101
RANEL
82
R GND 2 2
:RN
G IN 2 3 G
R201
82
G GND 2 4
:RN
NC 5
B IN 2 6 B
R301
82
B GND 2 7
:RN
CN401
6P
5 4 3 2 1 WHT-L
:S-MICRO
HD15
10 9 8 7 6
R IN 1
15 14 13 12 11 1 R
R103
TO D BOARD
R GND 1 2 75
CN511 :RN
G IN 1 3 G
R203
75
G GND 1 4
:RN
B IN 1 5 B
R303
75 C103
B GND 1 6
:RN 0.01 B:CHIP
C104
47 25V
VD HD B G R C203
0.01 B:CHIP
C204
47 25V
C303
5BNC
0.01 B:CHIP
C304
47 25V
CN403
8P
WHT-L
:S-MICRO
CLP 1
R422
LOWB_DET 2 100
:CHIP
C.BLK 3
R424
GREEN 4 100
:CHIP
GND 5
INPUT SW 6 R425
47
GND 7 :CHIP
VIDEO 8
R426
TO D BARD 100
:CHIP
CN506
R427
100
CN407 :CHIP
7P
WHT-L
:S-MICRO
ASC_SW 1
R446
OSD_SEL 2
100
:CHIP
MOSI 3
CLK 4
DAC_SEL 5
• A BOARD WAVEFORMS
HFBP 6
VRET 7
1 6
TO D BARD
CN503
C436
47p R429
CH:CHIP
100
:CHIP
C440
47p
CH:CHIP
3.0 Vp-p (H) 37.0 Vp-p (H) R431
100
:CHIP
C438
2 7 47p
CH:CHIP R430
100
:CHIP
C455
47p
CH:CHIP R441
100
:CHIP
C442
47p
CH:CHIP
35.0 Vp-p (H) 35.0 Vp-p (H) R432
100
:CHIP
C444
3 8
47p
CH:CHIP R433
100
:CHIP
3.0 Vp-p (H) 35.0 Vp-p (H)
4
9
35.0 Vp-p (H) 37.0 Vp-p (H)
A
(VIDEO AMP,RGB OUT)
5
3.0 Vp-p (H)
– 44 –
IC401 IC402
5V C412
+5V +12V
M52348FP RGB PRE-AMP M52722P RGB DRIVE 0.01
B:CHIP
STBY+5V +12V
C402 R475
C305
47 R339 10k
0.01 C322
25V 10k :CHIP
B:CHIP
B_VCC1 C306 :CHIP OSDBLK
B_VCC2 0.01 OSD CONT B:CHIP
D101 R338 B:CHIP
8.2k B_VCC1
1SS226-TE85L
B_IN2 B_OUT
B_OUT B_IN
D201 B_VCC2
C307 R328 C319
1SS226-TE85L
G_VCC1 0.1 1M 47 B_DRV
GND B_HOLD
R138 25V :CHIP 25V
C205
R105 8.2k B:CHIP NC
47 0.01 NC
NC C321 R135
:CHIP B:CHIP R238 NC
C206 0.01 NC C308
8.2k 0.01 B:CHIP NC :CHIP
2.2
C105 B:CHIP
G_IN2 Q202 NC
R205 0.01 NC C330 NC
47
B:CHIP 5V 2SC3545 0.01
:CHIP NC
BUFFER B:CHIP NC
R_VCC1
G_VCC2 B_OSD
R239 OSDB_DRV C222
C221 R235
R_IN2 C207 10k B_GND1 0.1
0.01
R305 G_OUT 0.1 :CHIP B_GND2 25V
47 R401 B:CHIP :CHIP
25V G_VCC1 B:CHIP
:CHIP 0 :CHIP
H_IN2 R243 B:CHIP C230 G_OUT
GND 560 0.01 G_IN
D301
:CHIP B:CHIP G_VCC2 C208
R228
1SS226-TE85L V_IN2 G_DRV 2.2
1M
R_VCC2 G_HOLD
:CHIP
R402 G_OSD
D102
0 GND C121 OSDG_DRV
1PS226-115 :CHIP R_OUT 0.01 G_GND1
R106 C106 C107 B:CHIP G_GND2
33
C401 B_IN1 0.01 0.1 R_VCC1
:CHIP
10 GND B:CHIP 25V R_OUT
B:CHIP R_IN
R_VCC2
R206 GND C108
G.SYNC
33 R142 R128 R_DRV 2.2
R_HOLD
:CHIP 8.2k 1M
G_IN1 :CHIP R139 NC
VCC NC
R306 10k C122
:CHIP
33 NC
D202 NC
:CHIP NC
1PS226-115 NC C130 B:CHIP
NC
0.01 NC
C403 B:CHIP 12V
GND NC
HS.OUT 47 OSDR_DRV
R242 R342 25V R_OSD
8.2k 8.2k R403 R_IN1 R473 NC
470k VS.OUT 10k R_GND1
:CHIP :CHIP R_GND2
D302
H_IN1 MAIN CONT
1PS226-115 GND BLK
CLP
R404 V_IN1 C410 BRT
470k SW 0.01
:CHIP B:CHIP
C472 R477 R417 C453
22 22k 47k 0.01
:CHIP :CHIP B:CHIP
D402
UDZ-TE-17-5.1B
R413
12V 4.7k
:CHIP
Q404
DTC124EKA
C404 ASC SW R416
R406
10 1k
C429 1k :CHIP
C491 :CHIP
10p
R434 0.01
CH:CHIP
4.7k :CHIP B:CHIP
R412
R411 D401
R409 1.5k
C431 4.7k
1k :CHIP MA111
0.01 :CHIP
R407 :CHIP
B:CHIP D403 Q405
47k
Q401 C407 C408 MA111 2SB709A
:CHIP R423
2SB709A 10 0.01 BUFFER
B:CHIP 47k
G SYNC
:CHIP
Q403
R408
100k 2SB709A
C405
:CHIP R410 10p CH:CHIP G SYNC
C414
1k
C435 Q402 33p
0.01 :CHIP
CH:CHIP
B:CHIP 2SC2412
G SYNC
C416
47 L401 5V
25V 100µH
STBY+5V
R435 C446
IC404 IC410
1M 0.1
LSC4380DW2EL M62352GP-75ED
:CHIP 25V
B:CHIP OSD D/A CONVERTER
R436
5.6k
:CHIP
VSSA VSS Vss GND
R438
1.5k R439 AO3 AO2
G2
:CHIP 1.5k VCO R
:CHIP C409 AO4 AO1
R_CUTOFF
C448 22p
0.1 CH:CHIP RP G G_CUTOFF AO5 MOSI
25V C450
B:CHIP
22p B_CUTOFF AO6 CLK
CH:CHIP
VDDA B
C447
R_DRV AO7 LD
0.1 25V B:CHIP
HFLB FBKG G_DRV AO8 MISO
C451 C452 AO9 AO12
B_DRV OSD_CONT
SS INT 10 0.01
B:CHIP AO10 AO11
BRT CONT
MOSI VFLB VDD Vcc
CLK VDD
C466 C467
NC NC 10 0.01
B:CHIP
NC NC
+5V
NC NC
NC NC
NC NC
PWM0 PWM1
C458
IC403
10 12V
FA4111
50V C312
0.1 RGB OUT
25V
R314 B:CHIP R122
120
270
0.1 :CHIP
25V :CHIP
1 2 4 3 5 6
R123
120
R315
:CHIP
270
:CHIP
R313 C415
R327 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 47
270
:CHIP 100V
:CHIP CN1
Q301 +80V
8P
2SA1738
330 R332 R304 C482
R316 270 BUFFER 100 R222 0.1 C459
120 1 KB
47 :CHIP :CHIP :CHIP 22
:CHIP +200V
:CHIP 100V FB301
2 GND
R341 R302 C483 R320 0
100 100 R223 C489 0.1 100k :CHIP
120 3 KG
R310 :CHIP :CHIP 0.1 :CHIP :CHIP
:CHIP
0 25V C315
R311 4 GND
:CHIP B:CHIP 0.22 R321
330 1k
12V 250V 100k
:CHIP 5 KR
R317 R241 R204 :CHIP
3.9k
100 100 R202 R118 R112
:CHIP 6 GND
:CHIP :CHIP 100 2.2k 47
D305 D304
:CHIP :CHIP :RN-CP
7 HEATER +
C311 R322 R318 R312 L301 1SS376 1SS376
4700p 120 2.2k 47 R141 0.22µH
8 GND
B:CHIP :CHIP :CHIP :RN-CP 100 :ALI
C488 :CHIP
47 R323 C310 C309
D306
25V 120 1000p 18p R319
1SS376
:CHIP CH:CHIP CH:CHIP R104 R102 39
R335 12V 100 100 :CHIP
D307
330 12V :CHIP :CHIP R220
1SS376
:CHIP 100k
:CHIP
R210 C212 R443
0.1 470
0 R214 R211 C215
270 25V :CHIP D206 0.22
:CHIP 1k R221
0.1 :CHIP B:CHIP 1SS376 250V 100k
:CHIP
25V R444 :CHIP
R215 2.2k
270 :CHIP R219 FB201
:CHIP 39 D207 0
R227 :CHIP 1SS376 L201 D205 :CHIP
270 0.22µH 1SS376
R421 :CHIP :ALI
D404
180k R213
:CHIP R232 22 R119 1SS376
R216 270 :CHIP 39
47 :CHIP :CHIP D204
:CHIP 1SS376
Q201
2SA1738
R217
BUFFER
3.9k
12V
:CHIP
C211 R114
4700p 270
B:CHIP :CHIP
C112
0.1 R120
100k
25V
:CHIP
R115 B:CHIP
270
:CHIP
R111 C115 FB101
D106 1k 0.22 R121 0
R127 100k
270 1SS376 :CHIP 250V :CHIP
:CHIP
:CHIP R113
22
R132
R116 270 :CHIP L101 C485
D105
47 :CHIP D107 0.15µH 10
1SS376 +200V
:CHIP 1SS376 :ALI 250V
Q101
2SA1738 +200V
R334 100k :CHIP
R117 BUFFER R330
+80V
R110 3.9k 100k :CHIP R333 R336 100k :CHIP
:CHIP D104
0 R329 1k
B_CUTOFF
:CHIP 1M :RN-CP R337 :CHIP 1SS376
C111 100k :CHIP
Q306
4700p
R367 2SA10910
B:CHIP C320
1M :CHIP
2.2 BUFFER
D103
200V
MA111
12V
R325 R331
D303 D203
56k 4 2.2k Q305
MA111 MA111 :RN-CP :CHIP
2
2SC4015
1
B CUT OFF
12V 3
AMP
R415
11
4.7k
:CHIP R326 R308 IC409(1/4)
100k R340 R234 100k :CHIP
120k 2.2M LM324M-FL63
:CHIP :CHIP R230
:CHIP
B CUT OFF 100k :CHIP R233 R236 100k :CHIP
R229 AMP 1k
R309 G_CUTOFF
1M :RN-CP R237 :CHIP
270k
100k :CHIP C434
:CHIP Q206
12V 0.001
R267
C220 2SA1091O 500V
1M :CHIP
C317 2.2 BUFFER :B
0.01 200V R470
B:CHIP 4.7k
12V :CHIP
R225
R231
56k 2.2k Q205
:RN-CP 6 :CHIP C487 C486
2SC4015
7 10 0.01
R CUT OFF
12V 5 B:CHIP
CONT
R226 IC409(2/4)
R208 R240
100k 120k R134 100k :CHIP R471
:CHIP 2.2M LM324M-FL63
:CHIP :CHIP R130 6.8k +200V
G CUT OFF
100k :CHIP R133 R136 100k :CHIP :CHIP
AMP
R129 1k
R209 1M :RN-CP R137 :CHIP R_CUTOFF
270k 100k :CHIP
Q106
:CHIP
R167 C120 2SA1091O
C217 1M :CHIP 2.2 BUFFER
0.01 200V
B:CHIP
12V
R125
R131
56k
2.2k Q105
:RN-CP 9
:CHIP 2SC4015
8
R CUT OFF
12V 10
CONT
IC409(3/4)
LM324M-FL63
R126 R108
R140 R CUT OFF
100k 120k
2.2M
:CHIP :CHIP AMP
:CHIP
C424
Q408
15V 0.1 R454
DTA124EKA
C127 R109 25V 10k
270k Q409
0.01 SW B:CHIP :CHIP
:CHIP 2SC2412K
B:CHIP
SW
D409
D405 D406
R451 MA111
MA111 MA111
100
:CHIP
15V Q407
C420 C421 R452 R453
2SC2412K
47 10 4.7k 10k
LOWB DET
:CHIP :CHIP
R447
470 R450
:CHIP 18k
:CHIP
R448 R449
2.2k 10k
:CHIP :CHIP
– 45 –
D2846 D2846
C BLOCK
(GND) (GND)
FOCUS2 TO D BOARD
R324
22 1/2W :SURGE
FOCUS1 T902(FBT)
R224
CN2 22 1/2W :SURGE
8P
R124
22 1/2W :SURGE
KB 1
SG301
GND 2
RCV
KG 3
V901
GND 4
SK401 C419
PICTURE
1000p
KR 5 H
500V
TUBE
FV G1
GND 6 FGND
H1
1 3
HEATER + 7
4
H2
GND 8
FC 13 5
FB402 KB KR G2 G4
TO D BOARD
GND 1.1UF KG G1 GM
6
T902(FBT) HV
GND 11 7
7 KR
10 9 8
GND KG
TO D BOARD
G2 KB
FBT
8 9
SG201 SG101
SG403
SG402
R418 C417
220k 10000p
1/2W 2kV
F
(G2)
(G2)
G2
CN405
9P
C484
WHT-L
1000p R478
FB406 500V 1 :S-MICRO
1.1UH B :FPRD
1 +200V
2 NC
3 +80V
IC406 C460
FB405 R479
TA7812S PS401 1000p 1
1.1UH 4 GND
R461 1A 500V :FPRD
12V REG
12V 100k B
5 +15V
O +12V I 6 STBY+8V
G
C464 C465 C461 R480
7 GND
10 10 0.01 1
B:CHIP
:FPRD NC
8
IC408
TA78L05S HEATER+
9
5VREG
5V
TO G BOARD
O I CN672
C469 +5V
G
10 C468 C463
10 0.01
B:CHIP
CN406
2P
C471
WHT
FB403 1000p
:VH
1.1UH 500V
B
1KV 1 1KV
2 N.C.
R457 R459 R458
TO D BOARD
R456 10M 10M 2.2M
47k 1W 1W 1W
:RN :RN CN507
:CHIP :RN
C479 C478
470p 4700p
:CHIP 2kV
12V F 12V
Q410
C457
0.01 2SC4686A R442 D408
B:CHIP G2 CONT 2.2k MA111
:RN-CP
R464
R462
2.2k
47k 13 R466 C454
:CHIP
:CHIP 14 10k 100
12 :RN-CP 25V
R428
1k
IC409(4/4)
12V :CHIP
LM324M-FL63
C481 R463
D407
0.01 120k G2 CONT
MA111 B:CHIP :CHIP R419
33k
:RN-CP Q406
DTA124EKA
G2 CONT
R420
47k
:RN-CP
B-SS3414<U/C>-A..
• A BOARD VOLTAGE LIST
Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V]
IC402 1 1.1 E 6.8
3 2.8
Q106 B 112.6
4 3.7
E 113.3
9 1.1
12 2.8
Q201 B 2.7
13 3.8
E 3.5
14 1.1
17 2.8
Q205 B 7.4
18 3.9
C 109.9
23 1.1
E 6.8
25 3.3
26 0.7 Q206 B 109.9
27 2.4 E 110.4
28 1.2
Q301 B 2.7
35 4.4
E 3.4
37 2.7
40 4.4
Q305 B 7.4
42 2.7
C 113.1
49 4.4
E 6.8
51 2.7
52 2.1
Q306 B 113.1
E 113.7
IC403 1 3.4
2 2.8
Q401 B 3.6
3 53.6
C 0.7
5 52.7
E 4.3
6 2.9
7 3.4 Q406 B 7.9
8 9.8 E 9.0
10 9.8
Q410 B 9.7
11 3.5
C 484.0
12 2.9
E 9.1
13 52.3
SK401 KR 87.0
Q101 B 2.8
KG 87.0
E 3.5
KB 87.0
Q105 B 7.3 G2 474.0
C 112.6 H2 6.5
– 46 –