Digital/2M Schematic Diagram - JVC HM-HDS1EK Service Manual

Hdd & s-vhs video recorder
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4.9
3D DIGITAL/2M SCHEMATIC DIAGRAM
0 5 3D DIGITAL/2M
R1447
1k
C1459
47p
R1448
1k
C1460
47p
R1449
1k
C1461
47p
LC1402
QQR0657-010
5
R1450
1k
##
C1462
47p
R1451
470
R1452
470
##
C1464
47p
R1453
1k
C1465
47p
Q1419
DTC124T
C1463
33
/6.3
4
R1460
TO MAIN
27k
(CONNECTION)
CN501
CN1401
SLOW_PULSE
TRICK[H]
D.FF
V.REF
V.P_CTL
I2C_DATA
I2C_CLK
C1466
47p
KILLER_DET
C_FROM_DIGI
GND
Y_FROM_DIGI
EE[L]
V/Y_TO_DIGI
C1467
47p
SW5V[2]
R1454
1k
C_TO_DIGI
GND
Fsc
C1468
100p
3
LC1401
QQR0657-013
##
C1469
47p
2
#
#
C1470
L1409
33p
R1455
680
1
A
B
R1446
1k
# #
D1404
1SS355
#
#
D1403
1SS355
R1404
1.8k
# #
R1405
C1408
2.2k
Q1402
33p
C1406
0.01
C1404
L1402
0.1
6.8µ
CH
# #
Q1422
C1407
DTC124T
68p
R1441
6.8k
R1442
6.8k
R1411
C1413
##
1.5k
##
33p
B1409
C1410
R1412
2.2k
L1403
4.7
/25
6.8µ
Q1414
Q1406
C1411
CH
C1412
0.1
68p
C1403
330
/6.3
L1401
R1459
10µ
680
# #
Q1420
Q1421
R1463
C1416
100
10
/16
R1416
Q1401
# #
2SC1317(RS)
Q1418
100k
R1461
R1462
1K
10K
R1401
180
R1402
100
C1401
C1402
0.01
33
/16
D1401
RD4.3ESB2
MTZJ4.3B-T2
Q1417
R1458
680
C
D
Note :
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts , refer to the Parts List.
MON2
MON1
MON0
VDD33
SLOWP
TRICK
DFFI
VR
C1405
R1407
VPLS
0.1
2.7k
VSS
R1406
SDATA
Q1403
470
SCLK
# #
KILLER
#
#
C1409
CH
39p
R1408
R1410
VDD25
C1432
COMP
C1433
1
AVDD1
0.1
COUT
AVSS1
YOUT
#
#
IREF
R1415
C1434
0.1
#
220
Q1404
R1434
15k
R1414
820
##
B1416
#
R1413
##
CH
C1414
39p
C1415
0.1
Q1407
R1435
22k
VR1401
L1405
D/A LEVEL ADJ.
10µ
C1429
R1436
6.8k
330
/6.3
Q1408
2SC4081(S)
R1417
C1417
0.1
100
R1418
470
C1424
0.01
C1421
33p
Q1410
C1423
#
R1421
L1404
0.1
6.8µ
##
##
CH
CH
R1425
C1420
C1422
R1426
68p
560
## MARK ELEMENTS ARE NOT MOUNTED.
ALL SINGLE DIODE:1SS133 OR 1N4148.
ALL PNP TRANSISTOR:2SA1576A(QR) OR 2SB1218A(QR) OR 2PA1576(R)
ALL NPN TRANSISTOR:2SC4081(QRS) OR 2SD1819A(QRS) OR 2PC4081(R)
ALL NPN DIGITAL TRANSISTOR:DTC144WUA OR UN521E OR RN1309
E
4-21
4-22
RSTR
MCI7
MCI6
MCI5
MCI4
CRE
MCI3
MCI2
MCI1
IC1401
MCI0
MINTEST
JCP8026
TCLK
CKMODE
MTO
C1452
0.1
VDD25
RST
C1451
4.7
VDD33
/25
VSS
C1450
0.1
VOUT
C1449
0.1
VDD33
C1448
330
/6.3
R1440
47k
R1439
27k
C1447
C1445
0.1
0.1
C1446
100
/6.3
C1444
0.1
L1407
10µ
B1412
R1427
33k
C1425
R1428
0.01
39k
R1430
R1432
2.2k
##
1.8k
C1427
6p
Q1412
R1431
L1406
820
Q1413
33µ
CH
CH
C1426
C1428
39p
22p
R1433
R1429
51
1.5k
Used
# DIFFERENCE TABLE
Not used
Q1404
R1408
R1410
R1413
R1421
C1470
L1409
PAL/MS
1.2k
390
330
390
33p
1u
NTSC
OPEN
240
470
330
OPEN
OPEN
F
G
p10276001a_rev1
H

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