Panasonic NV-MV20EG Service Manual page 160

8.4. SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM
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
R N.SW 5V
T BACK UP 5V
R SLEEP H
V Y/C VIDEO OUT
V FSC
F
R POWER OFF L
R FIP L
I VIDEO OUT
V RFC MUTE H
T FIP CS
V MESECAM DET H
T S.DATA
T S.CLOCK
T P.FAIL L
T POWER KEY
E
T SAFETY TAB L
V HEAD SW
R AFC S-CURVE
V TRACKING ENV.
R AUDIO DEF H
V KILLER L
H
V PAL EP
D
V FREQ.ADJ
V ART V/H/N
T IR
I PROG H
A D.FM REC H
V D.A.REC H
V BIAS H
V MUTE H
R SW2
V S-VHS DET H
T RESET L
C
I AV1 PB H
V CYL HEAD (-)
V CYL HEAD (+)
R REG 5V
R PS 5V
MODE SW
B
S1501
K0G934A00002
R GND
R
GND (SYS)
R GND (FIP)
R GND (CTL)
R GND (FG)
R GND (MOTOR)
A
1
(SLEEP
A19
A18
A17
A16
A15
A14
A11
A10
A8
A7
R1502
A6
180
A2
A1
B1
B2
B3
B4
B5
B7
B8
B9
B12
R6031
6800
B16
B17
B18
B19
C6017
680P
B20
B21
B22
B23
R6020
39K
1
2 B25
3 B26 Q1501
4 B27
PNB2301MBV
(T-PHOTO)
B10
2
CAPSTAN SERVO SPEED LOOP
A25
R1017
10K
QR6004
UN2211
L :OFF)
IC1502
RPI354N
TL6013 TL6012
(S-REEL)
2 3
1 4
IC1501
RPI354N
(T-REEL)
2 3
1 4
R1503 R1504
27K 27K
R6084
3300
C6041
0.1
TW2001
QR6002
UN2212
(INV.)
R6017
1K
R1501
120
Q1502
PNB2301MAV
(S-PHOTO)
SENSOR
D1501
SIR505S
3 4
CAPSTAN SERVO PHASE LOOP
A26 A27 A28 A29 A30
C2509
0.47
R2505
3900
TW2015
C2510
33P
A1
R2506
1M
A2
D2501
MA165
D2502
MA165
R6001
4700
C2512 25V4.7
R1506
10K
C2511 6V22
N
C2514
C2508
0.1
0.1
TW2002
C2513
3900P
IC6001
C2CBJG000262
R6019
10K
R6021
R6025 R6022
27K
43K 100
R6026
39K
C6015 R6023
16V10 27K
R2507 R2508
270K 43K
B1 B2
5
A31 A6 A33
R2501
R2502 C6038
0
2200 100P
C2506
C6039
0.056
100P
R2504 R2503
10K 10K
C2507
0.056
TW60
80 79 78 77 76 75 74 73
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
97 PB CTL OUT
98 +5V(A)
99 +5V(AD)
100 EX.FF/REW L
1 2 3 4 5 6 7 8
TL6010
C6016 R4918
0.01 15K
B3 B4 B5
6
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