Appendix A: Schematic Diagrams - Hitachi CM621FET Service Manual

Hide thumbs Also See for CM621FET:
Table of Contents

Advertisement

+15VS
Q517
R538
C501
*
100U
*
25V
GND
HDRV
+15VS
R508
R509
R565
R534
2.2K
2.2K
*
*
R558
1K
SW4
Q521
*
SW3
Q518
Q503
*
RN1206
SW2
Q504
RN1206
GND
GND
GND
SW1
D506
+15VS
C506
C507
1N4148
R517
1000P
.01U
4.7K
Q506
C512
2.2U
R518
2SC945
GND
R516
16V
10K
Q507
+
2K
TILT
2SA733
C521
C508
Q505
D509
4.7U
D507
2SC945
1N4148
50V
1N4148
GND
-12V
SH-SIZE
R532
R533
C520
3.3K
3.3K
C523
1000P
SMOD
GND
GND
R547
R525
20K
0.022U
820K
MEF
D401
50V
1N4148
I
O
G
R406
C401
R403
C402
100U
3.3K
U402
10
0.01U
C403
25V
1/8W
7812
100U
R418
16V
GND
GND
OSD-SCL
100
C404
C405
R419
0.01U
100U
OSD-SDA
16V
100
32
31
30
29
28
27
C418
C419
100P
100P
GND
GND
R402
100
1
2
3
4
5
6
H-OUT
1/8W
R401
100
V-OUT
1/8W
A
R417
C410
C409
+12V
0.1U
0.022U
10K
50V
50V
MEF
MEF
U-LOCK
No. 0419
R501
R537
T501
C502
2W
5.1
R502
0.47U
15
1W
R542
150
MEF
1W
50V
GND
*
2W
R531
C503
100
0.01U
C504
Q502
1U
C505
+
2SK941
2200P
D510
R507
+56V
10K
1N4148
GND
GND
R857
C807
R850
C808
0.27
470K
0.1
470K
400V
400V
1/2W
1/2W
MPP
MPP
Q831
D521
*
R556
R563
*
*
R564
Q810
IRFS630A
D505
*
1N4937
C531
R557
R512
*
22
1K
R513
D504
Q809
*
1N4937
R510
10K
D515
C513
IRFS630A
22
0.1U
R511
10K
*
C514
D513
0.1U
*
D514
R541
*
L805
120uH
C530
R548
+12V
0.22U
*
P501
MEF
1
R549
R524
*
2
R519
22.1K
R520
560
R523
C811
1%
82
1/2W
18.2K
2.2U
Q509
2W
1%
63V
2SA733
MEF
GND
Q801
GND
Q510
2SB857
*
Q508
C522
2SA733
4.7U
R521
Q802
16V
3.32K
R522
2SC1213
NP
1%
GND
1K
GND
1%
GND
R545
JP-ST
GND
2.2K
HDRV
SMOD
R405
1K
R404
4.3K
R420
1/8W
C420
C421
C424
220K
0.22U
0.47U
47U
1/8W
50V
50V
16V
MEF
MEF
GND
26
25
24
23
22
21
20
19
18
17
GND
GND
GND
TDA9112
R409
1K
7
8
9
10
11
12
13
14
15
16
1/8W
C406
1000P
82K
R408
R407
50V
1/8W
C414
R416
R415
C413
C528
MEF
C425
1000P
4.5K
1.8K
10U
220P
47U
C408
1%
50V
16V
D402
16V
1000P
MEF
C411
C407
0.01U
C412
+
0.01U
1N4148
50V
4.7U
MEF
16V
GND
2SC945
C426
GND
0.01U
FOCUS
VA-719 DEFLECTION & POWER BOARD - SHEET 1
R504
*
R503
Q501
R505
P801
33
2SC5521
H-DY
1
1W
1/2W
R506
R543
2
22
P802
GND
1
C805
1W
1/2W
1
1000P
D502
L806
GND
1KV
BEAD
L801
GND
1N5817
18.5Ts
R805
C801
330
RL801
1W
0.0075U
1.6KV
MPM
C831
C802
*
0.033U
250V
L803
1KV
MPP
D508
6mH
MPM
1N4148
*
C817
D859
C810
*
*
0.01U
C806
C023M-15
C809
R515
0.27
47
0.82
400V
250V
MPA
MPP
+15VS
C803
R806
0.0068U
100
1KV
1W
MPM
L804
R807
BEAD
47
Q514
1W
2SC945
R539
C515
*
0.01U
GND
GND
R514
+56V
L501
10K
145uH
R529
680
5W
C509
L502
Q511
330P
BEAD
500V
2SC945
R526
Q513
D501
100
IRFS640A
ER304
R530
BYM36C-798
2.2K
R570
D520
R527
10K
22
1N4148
C511
.047U
250V
Q512
MEF
GND
2SA733
R536
R535
R528
1
1
*
2W
2W
R422
10K
GND
GND
GND
GND
R410
Q402
4.7K
2SC945
R411
C417
270K
47U
C527
1/8W
16V
GND
GND
22P
+15VS
D601
R412
100K
R601
C602
1/8W
C430
C601
0.01U
6.8
470U
0.01U
1W
25V
GND
R604
GND
7
2
6.2K
R602
C609
1%
U601
1.1K
0.01U
1%
TDA8172
GND
4
GND
1
R605
4.3K
C604
1%
R614
1
R603
0.01U
1/2W
3.3K
2.4K
D404
MUTE
GND
1N4148
R421
R430
-13V
10K
3.3K
C416
R546
Q401
*
4.7K
GND
1/8W
GND
GND
23
FBT
H.V.
G4
G2
R801
C814
10
0.068U
D-FOCUS
MEF
UF4001
D807
D820
R808
D805
10
R872
UF4007
UF4007
C812
1/2W
2.2M
+
SG2
22U
50V
GND
GND
R871
R809
2.2M
10
D801
R802
10
R870
UF4001
R839
2.2M
G1
D806
*
1/2W
C813
GND
D816
+
22U
*
50V
C825
*
160V
3 2 1
GND
SG1
-150V
1.5KV
P803
C818
22U
160V
GND
GND
C842
+100V
22U
100V
R540
470K
R828
1W
45.3K
C824
1%
1U
GND
50V
2SD667
B+
GND
R571
C510
R829
*
47U
9.1K
D522
250V
R849
*
Q508-B
R572
VR801
*
B2K
GND
GND
GND
R424
+12V
P804
10K
SG3
R836
*
10K
R423
R837
10K
56.2K-798
+12V
Q403
53.6K
2SC945
1%
R425
R838
12K
ZD401
1K
HZ9A2
1%
D405
GND
GND
1N4148
ZD402
D406
Q404
HZ5B1
R426
FR10-04
1N4148
R834
2SA733
3.3K
C431
47K
C603
47U
100U
16V
+60V
GND
D602
Q807
25V
GND
GND
C607
1N4148
0.001U
6
R610
R832
50V
3
R612
5
10K
12K
MEF
BF423
22K
GND
R607
R608
*
R606
C608
2.2
270
YOKE
*
0.1U
1/2W
V-DY
250V
MEF
C606
C605
R609
Q601
1000U
1
0.22U
R611
BF420
16V
1W
MEF
10K
GND
GND
+12V
R811
R812
20K
10K
SMOD
Q808
D811
R810
1N4148
1K
R823
2SA733
GND
SUB-BRI.
C815
10K
0.022U
R813
MEF
2.2K
CONTRAST
ABL
GND
G2
C816
0.015U
FOCUS
1KV
PPN
+12V
GND
R817
R816
100
22
1/8W
1/8W
C821
1U
50V
R818
R819
NP
39K
15K
1/8W
R822
C820
100U
470
R821
16V
Q820
820
2SC945
C822
120P
Q840
2SA733
R844
1.2K
R842
3.9K
2SC1627
+
Q841
C840
R843
C841
10U
R847
36K
15K
0.01U
1/2W
D841
D840
R845
Q843
100
1N4148
1N4148
Q842
R848
R846
47
47
2SB647
C843
1U
8
1
0
22
100V
6
T801
C851
R860
1
4
100V
R851
470
47U
4.7K
C855
1/2W
+
R856
2u2
Q850
16V
C861
R854
3K
BF423
18K
C854
1000P
10U
1KV
+
R855
470K
R861
R853
100V
150K
5.6K
R852
1/2W
C852
+
2.7K
1U
+
C853
50V
50V
1U
+56V
D-FOCUS
-150V
V-DY
R820
150K
BRI.
R833
G1-ADJ
820K
R827
R830
47K
220K
1/2W
R831
10K
R835
G1
100
V-OUT

Advertisement

Table of Contents
loading

Table of Contents