Digital(D-Vhs If) Schematic Diagram - JVC HM-DH30000U Service Manual

4.16 DIGITAL (D-VHS IF) SCHEMATIC DIAGRAM
TO HOST
D_REC_L
5
TO DMAIN
DAOUTA
DISCRIA
VCO19ACTL
ADCKA
IC401
OPEN
TO HOST
R401 R402
PB_PLL_A
OPEN OPEN
C401 OPEN C402 C403
OPEN OPEN
4
TO DMAIN
DAOUTB
DISCRIB
VCO19BCTL
ADCKB
DAOUTREF
TO DMAIN
TSINCLK
IC403
OPEN
TSINCLK_MUTE
TO HOST
R433 R434
PB_PLL_B
OPEN OPEN
DIVCLK
TO DMAIN
C419 0.1 C420 C421
OPEN OPEN
3
TO DMAIN
AINA
AINB
SW3.3REC
B403
RECCLK
OPEN
RECDATAB
RECDATAA
2
OPEN
B404
C446 0.1
TO HOST
AT_ON
IC406
TC7SH04FU-X
TO DMAIN SW12V
SW5V
TO
SW3.3V
VIDEO IF
GND
5 0 DIGITAL (D-VHS IF)
1
A B
IC402
TLC2932-X
R405
10k
LOGVDD VCOVDD
R403
SELECT RBIAS
R404
2.2k
VCOOUT VCOIN
100
FINA VCOGND
R417
R499
OPEN
FINB VCOINH
OPEN
R419
PFDOUT PFDINH
OPEN
LOGGND NC
C404 C405
0.1 OPEN
R418
OPEN
IC404
TLC2932-X
R437
10k
LOGVDD VCOVDD
R435
SELECT RBIAS
R436
2.2k
VCOOUT VCOIN
100
FINA VCOGND
R449
R500
OPEN
FINB VCOINH OPEN
R451
PFDOUT PFDINH
OPEN
LOGGND NC
C422 C423
0.1 OPEN
R450
OPEN
TO DIGI SUB2
WR14
OPEN
J14
L409
10µ R466
15k
R467
0Ω
C436 T C439
C437 C438
0.1
22 0.01
/6.3
0.1
L410
OPEN
R468
56k
R465 C440
IC405
390 OPEN
SN74LV74APW-X
Q418
2SC4081/QRS/
TO DIGI SUB2
WR15
OPEN
J15
L412
R482
10µ 15k
R483
0Ω
T
C449
C447 C448
22 0.01
/6.3
0.1
L413
OPEN
R484
56k
R481 C450
390 OPEN
Q423
2SC4081/QRS/
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.
L401
L402 10µ
10µ
R407 R409 R414 R415
470 470 10k 10k
Q402
UMT2N
C410 C411
47 0.01
/6.3
R420
C407
R412
47
0Ω 3.9k
/6.3
R413
Q427
0Ω
UMT2N
R406
100
Q403
UMX2N
R408
C409
2.2k
1µ
C408 R497
0.01 0Ω
R410 R411
1.5k 1.5k
Q404
UMT2N
R498 C412
Q401 OPEN
0.1
DTC114EUA-X
R416
OPEN
B401 0Ω
B402 0Ω
L405
10µ
R439 R441 R446 R447
470 470 10k 10k
C427 C428
47 0.01 Q410
/6.3 UMT2N
R452
C425
47 R444
3.9k
/6.3 0Ω
R445
Q428
0Ω
UMT2N
R438
100
Q411
UMX2N
R440
2.2k
C426
R442 R443
1µ
1.5k 1.5k
Q412
UMT2N
C429
0.1
R448
OPEN
TO DIGI SUB2
J13
WR13
L411
10µ
FL401
10MHz
NQR0336-001X
LPF LPF LPF
C441 C442 C443
0.01 47 0.01
/16
R469
330
R470
2.7k
Q419
DTC114EUA-X
L414
10µ
FL402
10MHz
NQR0336-001X
LPF LPF LPF
C451 C452
47 0.01
/16
R485
330
R486
2.7k
E
4-33 4-34
R424
10K
L404
OPEN
Q405 Q406
2SC3930/C/ 2SC4081/QRS/ WR11
R425
1k
R421 WR12
C414 R429
10k
0.012 470
C416 C417
C501
0.1 OPEN 47/16
Q408
2SA1532/C/
Q409
2SC4670
Q407
2SC3930/C/
C415
1µ
R432
75
R422 R423 R426 R430
4.7k 470 680 1k
R431
100
C418
OPEN
R427 680
L403 C413 R428
15µ 6p 1k
R456
10K
L408
OPEN
Q413 Q414
2SC3930/C/ 2SC4081/QRS/
R457
1k
R453
C431 R461
10k
0.012 470
C502
C433 C434
47 /16
0.1 OPEN
Q416
2SA1532/C/
Q417
2SC4670
Q415
2SC3930/C/
C432
1µ
R464
75
R454 R455 R458 R462
4.7k 470 680 1k
R463
100
C435
OPEN
R459 680
L407 C430 R460
15µ 6p 1k
OPEN
R473 R476 R478
100 1k 33k
R474
100
C444
Q421 0.1 <2125>
2SA1532/C/
Q422
2SC3930/C/
R471 R475 R480 C445
Q420
330 5.6k 75 OPEN
2SC4081/QRS/ R477 R479
470 5.6k
R472
680
R489 R492 R494
100 1k 33k
R490
100
C453
Q425 0.1
<2125>
2SA1532/C/
Q426
2SC3930/C/
R487 R491 R496 C454
Q424
330 5.6k 75 OPEN
2SC4081/QRS/ R493 R495
470 5.6k
R488
680
F
TO DIGI SUB2
J11
J12
OPEN
TO D-PRE/REC
CN601
CN401
REC_DATA_A
GND
PB_DATA_A
GND
TO D-PRE/REC
CN603
CN402
REC_DATA_B
GND
PB_DATA_B
GND
p20183001a_rev0.1
G H