Digital/4M Schematic Diagram - JVC HM-DH30000U Service Manual

D-vhs digital recorder
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4.9
3D DIGITAL/4M SCHEMATIC DIAGRAM
0 5
3D DIGITAL/4M
R1447
1k
C1459
47p
R1448
1k
C1460
47p
R1449
1k
C1461
47p
5
LC1402
QQR0657-010
R1450
1k
C1462
47p
#
#
R1451
470
R1452
1k
##
C1464
47p
R1453
1k
C1465
47p
Q1419
DTC124T
C1463
33
/6.3
4
R1460
27k
TO MAIN(MAIN-TERMINAL)
CN7104
CN1401
SLOW_PULSE
TRICK[H]
D.FF
V.REF
V.P_CTL
I2C_DATA_A/V
I2C_CLK_A/V
C1466
47p
KILLER_DET
C_FROM_DIGI
GND
Y_FROM_DIGI
EE[L]
Y/V_TO_DIGI
SW5V[2]
C1467
47p
R1454
1k
C_TO_DIGI
GND
Fsc
3
C1468
47p
LC1401
QQR0657-013
2
##
C1469
47p
##
##
C1470
L1409
33p
R1455
680
1
A
B
R1446
1k
#
#
D1403
DAP202
R1404
# #
1.8k
C1406
0.01
R1405
C1408
2.2k
Q1402
C1404
# #
Q1422
0.1
L1402
6.8µ
CH
C1407
68p
R1441
6.8k
R1442
6.8k
R1411
C1413
1.5k
##
##
B1409
C1410
R1412
2.2k
L1403
4.7
/25
6.8µ
Q1414
Q1406
C1411
CH
C1412
0.1
68p
C1403
330
/6.3
B1419
0Ω
L1401
10µ
R1459
# #
# #
680
# #
Q1420
Q1421
R1463
Q1401
2SC1317(RS)
Q1418
# #
R1461
R1401
270
R1402
100
R1462
0Ω
C1401
C1402
0.01
33
/16
D1401
RD4.3ESB2
MTZJ4.3B-T2
R1458
560
#
#
B1418
Q1417
C
D
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
MON2
MON1
#
#
B1411
MON0
VDD33
SLOWP
TRICK
DFFI
VR
C1405
0.1
VPLS
#
#
33p
VSS
R1406
B1420
SDATA
Q1403
470
SCLK
# #
C1409
KILLER
39p
# #
#
#
C1431
0.1
CH
R1408
VDD25
C1432
1
3.3k
# #
COMP
C1433
B1416
AVDD1
0.1
COUT
AVSS1
YOUT
#
#
0.1
IREF
C1434
Q1404
R1434
15k
33p
R1414
820
R1413
470
##
CH
C1414
39p
C1415
0.1
Q1407
R1435
10k
VR1401
L1405
D/A LEVEL ADJ.
10µ
C1429
R1436
3.9k
330
/6.3
Q1408
2SC4081(S)
C1416
R1417
C1417
0.1
100
10
/16
R1416
100k
R1418
470
C1424
0.01
C1421
# #
33p
R1425
R1421
330
L1404
C1423
0.1
6.8µ
Q1410
CH
CH
# #
C1420
C1422
R1426
68p
820
## MARK ELEMENTS ARE NOT MOUNTED.
1SS133 OR 1N4148
2SA1576A(QR) OR 2PA1576
2SC4081(QRS) OR 2PC4081
DTC144WUA OR UN521E OR RN1309
E
4-19
4-20
RSTR
MCI7
DO7
MCI6
DO6
MCI5
DO5
MCI4
DO4
CRE
VDD
MCI3
RCK
MCI2
RRST
MCI1
OE
IC1401
#
C1458
MCI0
GND
JCP8026
0.1
MINTEST
RE
TCLK
DO3
CKMODE
DO2
MTO
DO1
C1452
0.1
VDD25
DO0
RST
VDD33
# #
VSS
C1450
0.1
VOUT
# #
C1449
0.1
VDD33
Q1416
DTC114EUA
UN5211
RN1302
C1448
330
/6.3
# #
R1439
R1457
1.8k
27k
B1417
0Ω
C1447
# #
Q1415
C1445
0.1
DTC114EUA
0.1
UN5211
RN1302
C1451
C1446
100
/6.3
4.7
/25
#
#
R1456
12k
D1402
L1407
10µ
R1427
33k
C1425
R1428
0.01
39k
R1430
R1432
2.2k
1.8k
##
C1427
6p
Q1412
L1406
R1431
Q1413
33µ
820
CH
CH
C1426
C1428
39p
22p
R1433
R1429
51
1.5k
: Used
# DIFFERENCE TABLE
: Not used
IC1402,L1408
B1401-B1408
SYSTEM
C1456,C1457,C1458,
4M
2M
F
G
#
IC1402
MN47V77S
DI7
DI6
DI5
DI4
VDD
WCK
WRST
#
C1457
TEST
0.1
GND
WE
DI3
DI2
DI1
DI0
#
C1456
330
/6.3
#
L1408
4.7µ
p10277001a_rev1
H

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