Hitachi HV-D30 Service Manual page 35

CN401:48 Y IN
1.3Vp-p
ASP/DSP
083Vdc
BST:
0.37Vp-p
CN401:46 C IN
1.8Vdc
ASP/DSP
C GND
CN401:47
1.1Vp-p
L415 100U/LQH3C
CN401:21 A-2V
A-2V
CN401:51
G/Y
1.3Vp-p
CN401:52 G/Y IN
0.13Vdc
A+3.3V
L406
ASP/DSP 100U/LQH3C
A+3.3V
CN401:15
CN401:45 A+3.3V
CN401:14 A+3.3V
R-Y/B-Y
CN401:44 A+3.3V
1.38Vp-p
1.1Vdc
CN401:50 R/R-Y IN
ASP/DSP
RB
CN401:49 RGB GND
1.38Vp-p
0.13Vdc
RGB GND
CN401:53
CN401:54 B/B-Y IN
ASP/DSP
OUTPUT MODE1 MODE2
RGB L L
A-2V
YC/VBS L H
Y/R-Y/B-Y H L
YC/VBS H H
OUTPUTMODE1
CN401:8
CPU
CN401:9 OUTPUTMODE2
CPU
3Vp-p 1 8
2 7
RZ401
3 6
100K/MNR14
4 5
3Vp-p
CN401:19 VBSSYNC
ASP/DSP
3Vp-p
CN401:18 YSYNC
ASP/DSP
CN401:17 RGBSYNC
ASP/DSP
A+5V(A)
A+5V
CN401:10 A+5V
L409
CN401:40 A+5V 22U/LQH3C
CN401:11 SYSOUTHD
ASP/DSP
3Vp-p
CN401:20 OUTPUTSYNC
ASP/DSP
1 8
RZ402
2 7
100K/MNR14
3 6
SYNC HD 4 5
CN401:13 SYNC/HD
CPU
3Vp-p
CN401:12 SYSOUTVD
ASP/DSP
GL(2/2) HD_IN
2Vp-p
GL(2/2) VD/GL_IN
L401 R412
R402 4.7U/LQH3C N.U
470/D3 0.7Vdc
R409 R414
C401 1200/D3 1000/D3
27P/J2
C402 C403
10P/C2 27P/J2
R549
180/D3
Q401
L403
C404 2SC4177(L5)
R415 22U/LQH3C 100P/J2
1000/D3
C405
18P/J2
12P/J2(P) C406
BST:0.29Vp-p
3P/C2
1P/C2(P)
R423 0Vdc R420
C408 4700/D3 1500/J2
C407
27P/J2
10P/C2 0.93p-p
R499 R427
L405
2200/J2
R425 4.7U/LQH3C N.U
470/D3
R541
1200/D3
R428
C411
C412 1000/D3
27P/J2
10P/C2
Q416
2SA1611
C413 R429
R542
L407 33P/J2 180/D3
N.U
R435 4.7U/LQH3C
470/D3
R543
1200/D3
R438
C416 C414
1000/D3
10P/C2 27P/J2
C417
R547
L408 33P/J2 R439
N.U
4.7U/LQH3C 180/D3
R445 RGB/Y
R548
470/D3 R448
1200/D3 0.75Vp-p
1000/D3
C422 -0.7Vdc
C420
27P/J2
10P/C2 R-Y/B-Y
0.75Vp-p
C421 R449
-0.16Vdc
33P/J2 180/D3
IC405:A
1
IC404:A 3
1 2 2
IC405:B
R464
4
1500/J2
6
5
R458
IC404:B
1500/J2
3 4
C428 C477
47P/J2 47P/J2
C426 0.1U/Z2
14
VCC VCC C427
0.1U/Z2
GND GND
7
IC405:E IC404:G
74VHCT08ATMC 74VHCT04AMTC C431
0.1U/Z2
IC406
TC4W53FU
R468
VDD
IC405:D
7
CH0 10K/J2
1 12
6 11
CH1 COM
13
R467
5 A 2
INH 2200/J2
VEE VSS
C433 R475
0.1U/Z2 4700/J2
Q403 2SC4177(L5)
11 10 9 8
IC404:E IC404:D
R565
3300/J2
R410
R405
1500/J2
0.75Vp-p 1500/J2 R406 R407
120/J2 820/D3
Q414
2SA1611
2SA1611
R408 Q415
3300/J2
R404
3300/J2
R426
N:
R418 R419
P:1000/J2
0/J2 1000/D3
2SA1611
Q402 2SA1611
Q413
IC402:1
13
14
12
11
R437 MM74HC4053MTC
2200/J2
16 6
VCC INH
R447
2200/J2 VEE GND
7 8
IC402:5
2SA1611
IC402:4
Q417
C415
0.1U/Z2
2SA1611
IC402:3
Q418
3
4
5
9
1
15
2
10
IC402:2
R459 R460
IC404:F IC404:C
1500/J2 1500/J2
13 12 5 6
C429 C430
47P/J2 47P/J2
SW401:A
OUT
SSSS820101
HD/SYNC _OUT 1
2
HD_IN
3
R470
10K/J2
VD_OUT 4
Q404
5
2SC4177(L5)
VD/GL_IN
6
SW401:B
IN
SSSS820101
R469 R472
2200/J2 75/J8
R476
4700/J2
R477
75/J8
A.GND
R566 Update to D30-024
3300/J2 -2V(A)
SYM REVISIONS
R436
TEST_LAND
N.U
TEST_LAND
R446
N.U
IC401:A
3
R411
75/J8
1
R478 R413
2
N.U 470/J2
R431
180/J2 N: 6800/D3
P:5600/D3
R416 R417
R421 1000/D3 120/J2
330/D3
R422
R424
R479 470/D3
39/J2
N.U
L404 100U/LQH3C
C409 C410
16V22U/FT 0.1U/Z2
IC401:B
5
R474 R453
N:180/J2 P:1000/J2 N: 6800/D3 P:5600/D3
7
R432 R433
6
N:180/J2 P:1000/J2 N: 6800/D3 P:5600/D3
R440 R441
N:180/J2P:1000/J2 N: 6800/D3 P:5600/D3
R434 IC401:C
V+
1000/J2 LMH6643MM
R442
100/J2 R443 V-
R444
100K/D3
1800/D3
C418
16V22U/FT
L414 C419
100U/LQH3C 0.1U/Z2
IC403:A
3
1
R451 R452
680/D3 5600/D3
2
R454
1000/J2
IC403:C
2200/D3 LMH6643MM
R455
R456
5600/D3 C423
8
0.1U/Z2
R457 V+
0/J3
V-
4
C424
0.1U/Z2
-2V(A)
5
IC403:B
7
R462 R463
220/D3 5600/D3
6
R465
1000/J2
R466
R471 2200/D3
5600/D3
R473
47/J3
S.IKEDA
DWN
DSGN S.IKEDA
SCALE
CHKD
APPD
:
Hitachi Kokusai Electric Inc.
02/04/18 A.Kato
Tokyo Japan
DATE DSGN CHKD
VBS OUT CN401:32
REAR
VBS GND CN401:2
VBS OUT
CN401:33
REAR
VBS GND CN401:34
A GND CN401:1
A GND CN401:26
A GND CN401:29
A GND
CN401:30
A.GND
A GND CN401:31
A GND
CN401:60
R430
75/J8
G/Y OUT CN401:37
REAR
RGB GND CN401:36
RGB GND
CN401:38
A.GND
R450
75/J8
R/R-Y/C OUT CN401:35
REAR
R461
75/J8
B/B-Y/VBS OUT CN401:39
REAR
HDSYNCIN/HDOUT CN401:41
REAR
VDVBSIN/VDOUT CN401:42
REAR
Dec. 4.'01
HV-D30
VDA/GL(PT--1902C)
Dec. 4.'01
SCHEMATIC DIAGRAM
(1/2)