Panasonic NV-MV20EG Service Manual page 136

P :TO POWER TRANSFORMER SECTION
R :TO POWER SUPPLY/RF SECTION
V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION
I :TO INPUT/OUTPUT SECTION
T :TO TIMER SECTION
G
(SLEEP
R N.SW 5V
T BACK UP 5V
R SLEEP H
V Y/C VIDEO OUT A19
V FSC A18
F
R POWER OFF L A17
R FIP L A16
I VIDEO OUT A15
H
V RFC MUTE A14
T FIP CS A11
V MESECAM DET H A10
T S.DATA A8
T S.CLOCK A7
R1502
T P.FAIL L A6
180
T POWER KEY A2
E
T SAFETY TAB L A1
V HEAD SW
R AFC S-CURVE B1
V TRACKING ENV. B2
R AUDIO DEF H B3
V KILLER L B4
V PAL EP H B5
D
V FREQ.ADJ B7
V ART V/H/N B8
T IR B9
I PROG H B12
R6031
A D.FM REC H B16 6800
V D.A.REC H B17
V BIAS H B18
V MUTE H B19
C6017
R SW2 B20 680P
V S-VHS DET H B21
T RESET L B22
C
I AV1 PB H B23
V CYL HEAD (-)
V CYL HEAD (+)
R REG 5V
R PS 5V
R6020
39K
MODE SW 1
B
2 B25
S1501
3 B26 Q1501
K0G934A00002
4 B27 PNB2301MBV
(T-PHOTO)
R GND
R GND (SYS)
R GND (FIP)
R GND (CTL)
R GND (FG)
R GND (MOTOR)
A
B10
1 2
CAPSTAN SERVO SPEED LOOP
A25 A26 A27 A28
R1017
10K
QR6004
C2509
UN2211
0.47
L :OFF)
R2505
3900
IC1502
RPI354N
TL6013 TL6012
(S-REEL)
2 3
1 4
TW2015
C2510
IC1501 33P
RPI354N
(T-REEL)
A1
R2506
1M
2 3 A2
D2501
MA165
1 4
D2502
MA165
R1503 R1504
27K 27K
R6001
4700
C2512 25V4.7
R1506
10K
C2511 6V22
R6084
3300
C6041 C2514
0.1 0.1
TW2002
TW2001
QR6002
UN2212
(INV.)
R6017
1K
IC6001
C2CBJG000262
R6019
10K
R6021
R1501
R6025
120 27K
43K
Q1502
PNB2301MAV
(S-PHOTO)
SENSOR
D1501
SIR505S
R2507 R2508
270K 43K
B1
3 4
CAPSTAN SERVO PHASE LOOP CYLINDER SERVO SPEED LOOP
A29 A30 A31 A6 A33 A34 A35 A7 A8
R2501
R2502 C6038 R6047
0
2200 100P 4700
C2506
C6039 R6048
0.056
100P 4700
R2504 R2503
10K 10K
C2507
0.056
TW6002
80 79 78 77 76 75 74 73 72 71 70 69 68 67
81 S TAB L
82 POWER KEY
83 CNR OFF H
84 SECAM ID IN L
85 DAVN
86 FG AMP OUT
87 FG AMP IN
88 GND(A)
89 AV3 S IN L
90 CYL PFG
91 O REF
92 I REF
93 S CAS L
94 CYL HEAD(-)
95 CYL HEAD(+)
96 CYL AMP REF
N
97 PB CTL OUT
98 +5V(A)
C2508 99 +5V(AD)
0.1
100 EX.FF/REW L
C2513
3900P
1 2 3 4 5 6 7 8 9 10 11 12 13 14
R6022
100 TL6010
R6026 C6016 R4918
39K 0.01 15K
C6015 R6023
16V10 27K
B2 B3 B4 B5 B7 B8 B9
5 6 7
CYLINDER SERVO PHASE LOOP
A10 A11 A36 A37 A25 A38 A14 A15
C6042
0.01
R6040
1K
LB6001
J0JBC0000041
R6041
1K
(A/B/C/D)
R6007
47K
C6022
220P
66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
CV IN 50
GND(OSD) 49
OSD FSC IN 48
4FC LPF 47
GND 46
LC OSC OUT 45
LC OSC IN 44
12MHz START H 43
FIP L 42
POWER OFF L 41
GND(D) 40
12MHz OUT 39
12MHz IN 38
5V(D) 37
32KHz OUT 36
32KHz IN 35
RESET L 34
POS.SW1 33
POS.SW2 32
POS.SW3 31
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
B10 B12 B17 B18 B19 B20 B21
NV-MV20EG/EB/EBL,MV15EG/EP
SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM
8 9
A16 A17 A18 A19 A39 A40
L6005
0
C6024 C6040
6V220 0.1
R6078 C6035
470 1
C6036 R6077
560P 1M
C6023
1
Q6009
R6039
1K 2SD601A
(AMP)
R6003
C6004
390
0.01
R6002
1K
C6003
470P
C6005
R6009
0.01
22K
R6004 C6009
0 18P
X6001
C6010
H0A120500002
18P
R6005 C6011
220K 18P
X6002
C6012
VSX1022
15P
R6072
22K
Q6008
2SD601A
(AV1 PB:ON)
QR6001
UN2215
(SWITCHING)
D6004 R6073
1SS355 470K
R6071
R6074
18K
470
R6075
22K
R6076
15K
B25 B26 B27 B22 B23
10 11