Panasonic Omnivision VHS PV-C2780, Руководство по обслуживанию

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180P C3034
R4018
Q4001
0.01 C4104
1 2 3
4 5
VLFS0014
FL4051
470K
R3026
Q3001
0.01
C3044
33K
R4004
6800
R4012
56K
R4101
150
R3029
TP3010
1/50V
C4014
0.1
C3048
2.2/50V
C3019
TP3009
27K
R4008
4700
R4014
2200
R3038
3900P C3043
C4015
2.2/6.3V
C3050
R3046
0.01
C3054
100
R3077
2SD601A(R,S)
Q4003
D3091
C3037
47
L3002
220
L3231
0.01
C4004
0.01
C3081
47K
R4021
1K
R3037
220/6.3V
C3047
0.01
C3041
75 R3091
R3039
330K
R4002
820
R4007
R3044
1/50V
C4002
R3045
27
L3010
1K
R4172
68P
C3023
0.01
C4018
100
L4002
47/6.3V
C3234
2200
R3084
47/6.3V
C4008
0.22
C3013
2SD601A(R,S)
Q4002
2.2/50V
C3021
10K
R3035
1/50V
C4020
0.1
C3006
10/16V C3016
C3056
2200
R4173
47K
R4009
MN3885S
IC3201
TP3001
TP3006
TP3011
6800
R4011
TP3005
560
R4052
2.2M
R4005
680 R4006
0.1
C3036
120 R3016
390
R3024
10K
R4001
0.47
C3032
22/16V
C3020
39K
R4051
TP3003
15K
R4171
Q4101
R4010
0.033 C4010
TP4003
4.7/25V
C3009
0.01
C3235
0.01
C3058
R3043
47/6.3V
C4013
TP3002
UN2212 Q3003
0.47/50V
C3045
0.01
C3027
R3040
TP4002
1/50V
C4171
L4001
1
2
3 4
5
6
VLTS0367
T4101
10K
R3004
0.01
C3237
0.01
C3053
L4004
10
0.22
C3022
180
R3085
1000P
C4006
1200
R3032
0.1
C3031
J3008
0.01
C4011
33
L3005
33P
C3035
2200
R4015
0.033 C4051
10K
R3081
2700P C4003
2.2/50V
C3046
1/50V
C3231
22/6.3V
C4005
4700
R3014
15K
R4103
2P
C3002
47/6.3V
C3015
22/6.3V
C4007
0.01
C3030
2700
R3028
22K
R3082
1000P
C3232
0.1 C3236
0.01 C4103
0.22
C4001
0.1
C3024
1.2M
R3025
3300P
C3082
J3002
22/16V
C4105
220/6.3V
C3007
Q3002
10K R3010
VSXS0195
X3001
1/50V
C4012
0.1
C3025
8200P
C3026
10/16V
C4009
AN3479FBP-A
IC3001
180K
R4102
10K R4174
1K
R3005
270
R3083
0.01
C3001
0.01
C3083
C3018
R3003
470
L4101
0.1 C3055
DTC144EK Q4173
10/16V
C3038
15K
R3015
180P C3008
220
R4003
1K
R3036
0.1 C3057
5600P
C4102
TP4004
TP4001
J4003
J4002
33K
R4031
22K
R4032
D4707
R3231
C3005
C3003
L4003
J3004 J3005
R3021 R3022
R3023
C3033
C4106
Q4171
D4171
2200 R3390
2700
R3379
22K
R3375
22P
C3301
0.01
C3310
R3362
390K R3302
R3361
R3327
2.2/50V
C3313
33P
C3318
1800
R3366
Q4154
4.7/25V
C3367
220
R3330
2200
R3336
R3353
6800
R3301
Q3310
C3362
220/6.3V
C3304
R3331
R3347
DTA124EK
Q3315
10K
R3309
1K
R3345
HN1C01F(GR)
Q3314
C3371
100/16V
C3335
1000P
C3312
220
R3378
1K R3310
1/50V
C3309
1800
R3380
Q3311
R3364
R3341
2200 R3303
0.033
C3311
10K
R3381
Q3301
5600
R3363
2200 R3305
2.2/50V
C3314
5600 R3312
C3365
D3302
R3328
0.01
C3308
C3372
10/16V
C3326
R3346
C3373
18P C3302
1M
R3326
C3361
1800
R3377
0.1
C3303
330
R3329
6800
R3354
C3363
10K R3308
J3301
VSXS0238
X3301
D4703
100P
D4701
MA4056-M
(5.6V)
D4705
100P
TP3302
TP3301
TP3303
22K
R3321
C3004
0.01
560
R4701
560
R4702
L3007
1K
R4175
27 L3004
39
L3001
47P
C3011
0.01
C3010
330
R3017
J4001
L3303
L3304
L3305
J3001
10/16V
C3060
10K
R3325
LC8632165N41
IC3301
R3370
10K R3306
10K R3307
10K R3313
D4702
100P
27K
R3311
10K
R3304
D4709
1K
R4708
1K
R4707
J3101 56
R3332
R3333
NJM2235M-T1 HL
IC3101
(SWITCHING)
10/16V
C3106
100
R3103
100
R3102
10/16V
C3103
100/6.3V
C3101
0.01
C3102
100
L3101
22P
C3104
100
R3101
R3047
1K R3316
10/16V
C3105
0.01
C4701
1/50V
C4705
100
L4701
470/16V
C4706
1/50V
C4704
R4703
100K
1/50V
C4703 R4704
100K
R4706
100K
1/50V
C4702
IC4701
LM833M
R4705
100K
J4701
100
R3001
100
R3006
L3020
100
R3317
4700
R3352
Q4701
D4710
R4709
R4710
Q4702
D4708
J4702
0
L4702
BK2125HM102
L4703
0
L4704
J4521
PB AUDIO SIGNAL
41
3.58MHz
77
19
CYLINDER SERVO
ENV-VOLTAGE
78
18
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1037K146R,
NPN TRANSISTORS IS 2SC2412K1,
DIODES IS MA165 AND
WATTAGE OF RESISTORS IS 1/10W.
26
79
26
43
80
BIAS
OSC
27
81
13
82
10
73
83
15
84
10
67
14
Z
68
16
49
69
22
CUE/REV/SS(L)
70
13
V-SYNC
71
14
PB (L)
72
TP3007
11
ROTARY SW
GND
73
TP3012
UNSW +5V(VIDEO)
1
74
I
P4001
V-LOCK PULSE
75
9
FE-HEAD
HEAD SW
64
D
2
HEAD AMP SW
65
O
FULL ERASE HEAD UNIT
ENV-DET
66
4
SW +12V
J
1
10
2
58
E
3
59
5
71
4
PB VIDEO
K
5
LINE VIDEO
F
TP3004
6
60
6
TP3008
7
12
REC
A
UNSW +5V(SYS.CTL)
Z
8
11
REC-ON
L
0.1
9
61
PB
1
10
WF1
80
REC/PB LUMINANCE
SIGNAL PROCESS
G
11
WF2
79
7
PB
12
45
WF3
KILLER DET
B
Y/C
MIX
13
37
WF4
I2C SERIAL DATA
M
REC
14
40
WF5
I2C SERIAL CLOCK
2
REC
15
WF6
3
H
3.58MHz(IC3001)
I2C
CONTROL
16
WF7
8
TUNER VIDEO 1
17
WF8
PB
C
TUNER AUDIO 1
19
WF9
Y/C
MIX
BEEPER
N
75
20
WF10
TUNER
AUDIO HEAD
3
18
21
WF11
Z
REC
AUDIO HEAD
17
18
WF12
72
REC
DELAY REC +12V
20
22
WF14
PB
16
23
WF15
LINE
SW -5.6V
24
WF16
REC/PB CHROMINANCE
SIGNAL PROCESS
25
SAP SIGNAL(L)
WF17
26
MTS SIGNAL(L)
PB
WF18
27
PB
WF19
TO MAIN I
28
PB
FM STEREO(L)
29
REC
21
30
WF13
30
15M
31
TUNER
SWITCHING
PB-OFF
GND
TO MAIN I
LINE
MUTE
TO MAIN V
VCC
46
32
TO MAIN I
GCA
DET
AUDIO MUTE(H)
33
AGC
DET
TO MAIN V
34
SAP SIGNAL(L)
SYNC
SEPARATION
TO MAIN I
6800
35
MTS SIGNAL(L)
COLOR
KILLER
DET
TO MAIN I
36
MONO(H)/STEREO(L)
TO MAIN III
ACC
DET
BEEPER ON(H)
37
MTS(H)/SAP(L)
VCC
38
GCA
DET
50
39
SIDE LOCK DET
TUNER AUDIO 1
51
40
AFC
FM STEREO(L)
52
41
GND
103
FM MONO(H)
42
AUDIO MUTE(H)
102
SW +12V
51
GND
AUDIO -5V
52
1/2 VCC
GND
53
23
AGC DET
GND
54
VCC
AUDIO MUTE(H)
55
LINE
AMP
SERIAL CLOCK
AGC
SERIAL DATA 0
56
AGC
DET
SERIAL DATA 1
57
NORMAL AUDIO
REC
AMP
TIMER LED ON(L)
58
NORMAL AUDIO
SWITCHING
BEEPER ON-ON
LP/SLP-ON
59
GND
CCD 1H
DELAY
SLP-ON
60
ON-TIMER LED ON(L)
(BUFFER)
GND
61
OSD-CS(L)
VIDEO/AUDIO
PROCESS
PB
AMP
62
REC LED ON(L)
(AMP)
REC-OFF
63
AUDIO
DELAY REC
ON-OFF
ATENVELOPE
DETECTER
43
50
AUDIO
DELAY REC
ON-OFF
44
VCC
40
AUDIO
DELAY REC
ON-OFF
45
RF AGC DET
39
46
MAIN
DE-EMPH
25
47
MAIN
DE-EMPH
48
CLAMP
49
MAIN
EMPH.
YNR
GND
27
CLAMP
28
CLAMP
29 30
CLAMP
31
V REG
SW +5V
21
GND
23
SP/LP-ON
REC VIDEO SIGNAL
APC LPF
24
PB VIDEO SIGNAL
FSC
50
17
REC AUDIO SIGNAL
ACC
76
20 7
GND
4
Hi-Fi HEAD SW
9
PB Hi-Fi AUDIO(H)
8 6
PB AUDIO
5 3
I2C SERIAL DATA GND REC AUDIO I2C SERIAL CLOCK GND
FM MONO(H)
CUE/REV/SS (L)
ENVELOPE DET
20
GND GND
6
SW +12V
AUDIO ERASE HEAD
3 8
PB (L)
7 19
AUDIO ERASE HEAD
12 9 1
GND
13
DELAY REC (H)
5
HEAD SW
10 4
REC/PB VIDEO HEAD AMP SW
18 17 16 14 15
UNSW +5V(VIDEO)
PB AUDIO
REC AUDIO
Hi-Fi DELAY REC(H)
Hi-Fi HEAD SW
PB Hi-Fi AUDIO(H) Hi-Fi HEAD SW
57
Z
9 19
AUDIO R CH AUDIO L CH
JK4701
VIDEO AUDIO(L) AUDIO(R)
8
CCD 1H
DELAY
5
AMP
VDD
6 7
1 2
DRIVER
CLOCK
3
CCD 1H
DELAY
4
GND
AMP
2 1
TO HEAD AMP C.B.A. P3501
41
AUDIO L CH
SWITCHING
BEEPER ON-ON
54 53 52 51
AUDIO L CH AUDIO R CH GND GND
15 32
100V
VDD
GND
TIMER LED ON(L)
XT1
OSD-G
2KHz OSC
REC LED ON(L)
32768Hz
SERIAL DATA 1
XT2
VIDEO
MTS(H)/SAP(L)
SERIAL DATA 0
FILTER
SERIAL CLOCK
RESET(L)
OSD-R
OUTPUT SELECT B
TV VOLUME CONTROL
PWM3
BLANKING
OSD CS(L)
STEREO(L)/MONO(H)
H-SYNC
FM TRANSMITTER ON(L)
V-SYNC OSD-B
ON TIMER LED ON(L)
VIDEO MOTE(H)
TO MAIN V
TO MAIN VII
74
SW +9V
SW +9V
TO MAIN III
OUTPUT SELECT B
78
AUDIO R CH
77
AUDIO L CH
76
TV VOLUME CONTROL
47
AUDIO AMP MUTE(H)
TO MAIN IV
AUDIO(L) AUDIO(R)
JK4702
7
17
2
13 14
12
8
3
15
11
4
9
18 20 16
10
5
21
6
19
1
39 42 40
26
27
36
35
38 37
31
23
33
22
25
24
34
29
41
28
30
32
45 48 43 44 46 47
AUDIO AMP
MUTE ON-ON
SWITCHING
POWER
DOWN-ON
(BUFFER)
(INVERTER)
(INVERTER)
(COMPARATOR)
67 H-PULSE
V-PULSE 68
OSD RED 66
65 OSD GREEN
64 OSD BLUE
63 OSD BLANKING
69
POWER DOWN(L)
TO MAIN V
TO MAIN III
CCV/OSD
MICROCONTROLLER
PIN
TO AUDIO C.B.A. P4207 C.B.A. P4205 TO AUDIO
PIN
TO AUDIO C.B.A. P4203
PIN
C.B.A. P4202 TO AUDIO
PIN
C.B.A. P4201 TO AUDIO
PIN
12
GND
TO MAIN I
WF21
WF20
Z
Z
Z
Z
Z
Z
Z
Z
Z
2200
0.1
3900
6800
Z
Z
Z
Z
Z
Z
Z
Z
Z
15K 5600
Z
Z
Z
P3001
VIDEO MUTE(H)
Z
Z
Z
P
6800
48 43 49
C.B.A. P4206
45 42 46
ANTENNA TUNING CONTROL
TO AUDIO
GND SERIAL DATA FM TRANSMITTER CS(H)
44
PIN
GND
47
SERIAL CLOCK FM TRANSMITTER ON(L)
FM TRANSMITTER CS(H)
22
101
11 2
AUDIO 1 DEFEAT(H)
AUDIO 1 DEFEAT(H) FM RADIO(H)
FM RADIO(H)
Z
1/4W
1/4W
Z
Z
VLPS0111
VLPS0111
VLPS0111
VJBS3083
Z
33 35 34 36 38 37
TO AUDIO C.B.A. P4204
PIN
Z
Z
Z
OUTPUT SELECT B OUTPUT SELECT A TUNER 1(L)/ TUNER 2(H)
TO MAIN VIII
OUTPUT SELECT A
TUNER 1(L)/TUNER 2(H) MTS SIGNAL(L) TUNER AUDIO 2 MONO(H)/STEREO(L)
MTS(H)/SAP(L)
AUDIO 2 DEFEAT(H)
SAP SIGNAL(L) SW +5V
TO MAIN V
Z
1
2 3
4
8 7
6
5
TUNER VIDEO
REC(L)/PB(H)
LINE(L)/TUNER(H)
TO MAIN III
TO MAIN VIII
VCC GND
L
L
H
H
Z
10K
3 4
8 5 6 7
1 2
VCC
GND
(OP AMP)
56 82
MTS SIGNAL(L) SAP SIGNAL(L)
92
AUDIO 1 DEFEAT(H)
83 70 84
TUNER AUDIO 2
81
AUDIO 2 DEFEAT(H) MTS(H)/SAP(L) MONO(H)/STEREO(L)
TO MAIN VIII
Z
DTC124EK
Z
1/4W 1/4W
Z
VLPS0087
Z
Z
85 87 88 86
TO MAIN III
FM RADIO(H)
TUNER 1(L)/ TUNER 2(H)
TO MAIN VIII
93 94
89
90
91
TUNING CONTROL
J4005
Z
1K
1K
MA111
MA111
100/6.3V
Z
Z
Z
100/6.3V
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION. NOTE:
PARTS ENCLOSED IN DASHED LINES MARKED "Z" ARE NOT USED.