D-Pre/Rec Schematic Diagram - JVC HM-DH30000U Service Manual

4.13

D-PRE/REC SCHEMATIC DIAGRAM

4 3
D-PRE/REC
5
4
L607
100µ
R683
TO
R681
75
DIGITAL(D-VHS_IF) Q644 0
CN402
CN603 C660 R682
C659
150
GND
100 /6.3 0.01
PB_DATA_B
GND
REC_DATA_B R706
75
C670 0.01
C673 1
IC607 CXA1211M
VCC
C688
C689
0.1
3 0.1
GND
R703
1k
Q655
R702
1k Q654
R748
C693
22k
0.01
Q653
C669
0.01
R700 10k R696 R697
1k 470
C667 0.1
Q649 Q650 R694
100
2
C665
R690
1 R691
10k
6.8k
Q647
2SC4670
R687
39 (±0.5%)
Q645
R686
2SC3936/BC/
470
C663
0.1
C661
1
1
A B
TP616
R710
PB_DATA2
R707 1k
18k
C676
Q659
Q657
0.01
C674
D603
Q660
1000p
C675
1000p
Q658
R714
1k
L608
100µ
C672 100 /6.3
C654 C655
100 /6.3 0.01
C690 OPEN
C656
0.01
L606
100µ
C671
0.01
L605
100µ
C651
0.1
Q641
R701
15k
C652
R698
R699
1k
470
C668 0.1
C647
C646
1
Q651 Q652 R695
100
C666
R692 R693 C644
1
10k 6.8k 0.1
R668
470
Q648
2SC4670
R689
39 (±0.5%)
R688 Q646
470 2SC3936/BC/
C664
0.1
C662
1
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.
Q665 Q667
Q669
Q672
R731 Q671
OPEN
D605
R733
OPEN
D606
R732
OPEN
Q666 Q668 Q670
L609
100µ
R718
TP606
R719 1M
R724
1.5k PB_DATA1
1k
Q663 R728
R721
C682
18k
10k
0.01
Q661
C680
D604
1000p
Q664
C681
1000p
Q662
R715
C678
1.5k
C679
0.01
100
/6.3
R717
1M
D601
TP112
TP111
A/HS2_FF
VIDEO/STD/HS1_FF
C619
C618
100 /6.3
0.01
C620
L601
0.01
100µ
C653 C610 C615 C617
0.1 0.1 0.1
0.1
Q642
C614
1
C616
1 C611
1
0.01 C604
0.01
C645 C603
R670 C602
C601
0.1 0.1
1k 0.1
0.1
R607
470 R608 R609
R669 470 470
470
4 4 4 4 4 4 4
4 4 4 4 4 4 4
4 4 4 4 4 4 4
4 4 4 4 4 4 4
4 4 4 4 4 4 4
E
4-27 4-28
R735
OPEN
Q673
R734
OPEN
L603 100µ
Q614
R627
0
R628
150
C640 100
C639 0.01 C641
C642 0.01
IC606
0.01
CXA1211M
C643
1
VCC
C687 C686
0.1 0.1
GND
R661 Q633
1k
Q631 Q632
R659 1k R660 1k
C691 R747 22k
R746 22k C692
0.01
0.01
Q629
Q630
C637
C638
0.01
0.01
R656
15k R658
R655 C634 R657
0.1 C635 0.1 C636
10k 10k
R651
R649 R653
R650
1k 470 1k 1k
R652 470 R654
Q625 Q627
Q623 Q624 R646 Q626 R647 Q628 R648
100
100
R640
C631 R641 C632 C633
10k 1 6.8k 1 1
R635 1M
Q618 R642 10k R643 6.8k R644 10k R645 6.8k
2SC4670
R634 R637 R639
(±0.5%) R636 510
R633 470 39 39 (±0.5%) R638 470 39 (±0.5%)
Q615 Q619 Q616 Q620 Q617
2SC3936/BC/ 2SC4670 2SC3936/BC/ 2SC4670 2SC3936/BC/
C628 C629 C630
0.1 0.1 0.1
C626 C627
C625
1
1
2SC4081
2SA1576
DTC144W
DTA144W
1SS355
F G
TO
MAIN(SYSCON)
CN3011
CN605
R736 10k
HS_RECST[H]
R737 0
A/HS2_FF
HS2_ENV.
R738 1k
D_REC_LEV2
SW5V
GND
R739 1k
D_REC_LEV1
D/HS1_ENV.
R740 0
V/STD/HS1_FF
R741 10k
CH1_RECST[H]
R742 10k
CH2_RECST[H]
R743 0
D_REC[L]
R744 0
DVHS[L]
R745 0
HS[H]
R629 TO
DIGITAL(D-VHS_IF)
75
CN401
CN601
C623
C624
GND
100 /6.3
0.01
PB_DATA_A
GND
/6.3 REC_DATA_A
R664
75
15k
0.1
470
100
1
p10329001a_rev0
H