Panasonic NV-DV2000 Service Manual page 71

CAPSTAN SERVO SPEED AND PHASE LOOP CYLINDER SERVO SPEED LOOP
3V
6V
W- LINE
IC2501
BA6289
(LOADING MOTOR DRIVE)
Z22
Z23
C2501 C2502 R2503 R2501
0.1 0.1 390K 100K
W7
0 2.5 0
8 7 6 5
OUT2 VREF RIN
GND
POWER CONTROL
TSD
SAVE LOGIC
DRIVER
OUT1 VM V CC LIN
1 2 3 4
0 6 5 0
W6
C2504 C2505
0.1 1
C2503
0.1
Q2503
2SB1073
LB2501 L2501
(CYL VM)
VLQ0894K331
VLP0364
6 2.6
D2502 C2545
C2546
R2537 2 1
10V47
MA736
10V47
1K 6
D2501
MA721
R2538 3
R2546 560
1K
Q2504
2SB1073
LB2502 L2502
(CAP VM)
VLQ0894K331
VLP0364
14.8 1.5
D2504 C2547
R2539
2 1
R2559 35V10
1K MA736
14.8
10K
D2503
C2555 R2540
35V10 560 MA721
3
14
QR2501 0
0
UN5211
QR2502
4.2
(POWER
UN5212
SUPPLY CTL)
(POWER
SUPPLY CTL) R2547
6V
R2560 R2561
IC2508
18K 10K
AN1555NS
(TRIANGLE OSC)
1.5 5
1 2 3 4
RESISTOR
- +
OUTPUT COMPARATOR
COMPARATOR
CIRCUIT (3)
(2)
RESET CIRCUIT
FLIP-FLOP
WITH POWER
SUPPLY
COMPARATOR
(1)
+ -
RESISTOR
8 7 6 5
5 1.5 1.5 2.5
C2550
R2541 1K R2542 8200
0.01
C2549
1000P
5V
Z- LINE
W- LINE
V- LINE
14V
19 20
CYLINDER SERVO PHASE LOOP
5V
3V
C2516 C2535
1 1
W5
R2528 W13
430
W1
W12
C2539
R2519
C2513 W8
470 100P
3300P C2506
1000P
R2533 C2538
IC2503
3.3
100K
TB6519AF
C2514
(CYL/CAP DRIVE)
0.56
1.6 1.6 1.8
C2517
R2516 64 63 62 61
0.027
1K
YPG YPG REF GND
IN OUT
R2520
YFG
6800
1.1 OUT
1
YFG
C2515
1.1 IN
27P
2
R2517 CFG
220K OUT
1.1
3
CFG
1.1 IN
4
0 YSTB
W4 5
6 YSUL
EDGE DET
1.6
YEC
W14 7
YECR
8
C2519
0.022
1.2
YPC1
9
C2520
R2521
0.047
560 0.6
YPCV
10
C2521
6V4.7
1.5
YPCS
11
1K
0
12 YGND
R2510 R2523
R2522
0 0.47
0.33 0
YCS
13
2.5
R2524 4700 YVM
14
C2507
C2522
3.3
0.1
1.2
YM3
15
R2544
C2523
330
0.1
1.2
YM2
16
R2545
C2524
330
0.1
YM1 YL3 YL2 YL1
C2530 R2543
17 18 19 20
0.1 330
1.2 0.6 0.6 0.6
C2528 C2529
X 1
0.1 0.1
X 2
X 3
X 4
X 5 X6 X7
Y 3 Y1 Y 2
2.5V
1.4V
NOTE: THE MEASURMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS STOP MODE
WITH PAL COLOUR SIGNAL. (MINI DV:SP MODE) ·LINE IN SIGNAL LEVEL... -6dB 400Hz
THE MEASURMENT MODE OF THE DC VOLTAGE IN THE BRACKETS ( ) ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL. (MINI DV:SP MODE) ·LINE IN SIGNAL LEVEL... -6dB 400Hz
THE MEASURMENT MODE OF THE DC VOLTAGE IN THE BRACKETS < > ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL. (MINI DV:SP MODE) ·LINE IN SIGNAL LEVEL... -6dB 400Hz
21 22
3V
R2530
1200
C2537
3.3
C2536
1000P
1.4 0.2 1.4 3 1.5 3 1.5 3.2 4.2 0
60 59 58 57 56 55 54 53 52 51 50 49
YFG YPG CFG YSFS YT1 YCLK V FC GSW YSW CSW CRSF
CC
CEC
CECR
FC- COP
CTL
CPC1
CPCV
CPCS
CGND
CCS
CPCH
DIRECTION
CHANGEOVER
PVC
AMP
(VLL)
DISRIBUTOR
LOWER SIDE UPPER SIDE
DISRIBUTOR DISRIBUTOR
AMP
CVM
YU1 YU2 YU3 CL3 CL2 CL1 CU1 CU2 CU3 CM3 CM2 CM1
21 22 23 24 25 26 27 28 29 30 31 32
2 2 2 0.4 0.4 0.4 1.2 1.2 1.2 0.6 0.6 0.6
C2525
0.1
C2526
0.1
X 8 X9 X10 X11 X12 X13 X14 X15 X16
X17
Z- LINE
V- LINE
23 24
R2525
4700
R2529 Y- LINE
27K
X3
R2531
X4
2200
X10
X9
X2
X8
2.5 2 1.2
7 6 5
IC2506
UN224
(CYLINDER
1.6
DRIVE)
48
8 9 10
1.6
1.2 0.6 1.2
47
X7
0.4
46
X6
C2534 X5
0.01
1.3 X1
45
R2527 C2533 X17
0.01
1K X18
0.6
44 X16
X15
C2532
X19
3.3
1.8
X14
43
1.4 1.2 0.6
7 6 5
42
R2526
IC2507
0 0.27
41 UN224
(CAPSTAN
C2531
DRIVE)
0.01
2
40
8 9 10
H1
1.6 0.6 0.4 0.6
+
39 Y9
X13
H1
1.6 X12
-
38 Y8 X11
H2
1.6
+
37 Y6
R6075 R6073
H2 4700 4700
1.6
-
W11
36 Y7
3 0-2
H3
1.6
+
8 7 6
35 Y11
H3
1.6
-
34 Y10
1.4
33 1 2 3
0-2 0.2
-2.6
W10
R6076 Q6003
100K
2SB970X
Y12
(POWER SUPPLY)
Y5
C2527
R6098
0.1 3
2200
0
Y4
Z25
R6099
3
1K
X18 X19
Z26
Y- LINE
V 2
2.5V V 1
1.4V
W- LINE
NOTE : DO NOT USE ANY PARTS NUMBER SHOWN ON THIS SCHEMATIC
DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART, PLEASE REFER TO PARTS LIST.
25
3V
6V
5V
2 1.2 2 1.2
4 3 2 1
11 12 13 14
0.6 1.2 0.6 0
1.2 0.6 1.2 0.6
4 3 2 1
11 12 13 14
0.4 0.6 0.4 0
3V
R6077 R6080
R6074
56K 47K
100K
R6081 C6023
0.2 1
47K 0.01
-2.6 -1.6
5
IC6003
NJM2903M
(T.REEL/S.REEL
SENSOR)
R6079
4
47K
1
-1.6
R6078 C6022
56K 0.01
R6082
47K
3V
R6100 R6101 R6102
3300 3300 3300
A5
A1
A3
A4
A2
14V
26 27