Panasonic NV-SV120EF, Service Manual

Page: 123 / 135

L H
VCC
6 5 4
GND
1 2 3
IC3304
C1AB00001486
A
B
C
D
E
F
G
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29 30 31 32 33 34 35 36 37 38 39 40 41 42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
PS3301
1
2
3
4
5
6
7
8
9
10
11
12
13
FSC
V MASK
SYS IIC DATA
SYS IIC CLOCK
PS 3.3V
C IN
DNR 5V
PB C
GND
EMPHA OUT
GND
EMPHA IN
GND
TO LUMINANCE & CHROMINANCE/ AUDIO SECTION PP3001(E-21)
PS3302
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
HEAD SW
VIDEO OUT
GND
OSD VIDEO
GND
C OUT
GND
Y OUT
SECAM C
SEPA C
REC Y
SECAM YC
SEPA Y
CURR OUT
PB Y
ATT
POSLPF2
REC PB
PRE
LPF2
CH2-C
CH1-C
PB
REC
DIG
DIG
ATT
CL2
POSLPF1
DIG
DIG
+1dB
REC+
PB*0dB PB*+1dB
CONV CONV
PRE
LPF1
DIG OSD
DIG OSD
BF
REC*ACC
+PB
REC*ACC
VCA
CONV
CONV
COMP CL2
GCL
SSEP ATT
REC
PB
+6
EXT
EXT
NC
REC
PB
CK
FIL
OSD
DIG
OSD
OSD
DIG OSD
C MUTE
+
DIG OSD
FIL
OSD
OSD
OSD
CMUTE YMUTE YFBC
OSD
TRAP
ATT
VMUTE VFBC
BG CRADJ BF
DC
-
+
LIM2
+
-
-
+
PB REC
LIM1
-
+
ATT
+ -
REC
PB
PB
REC
NVHS
SVHS
PB
REC
SP
EP
TO LUMINANCE & CHROMINANCE/ AUDIO SECTION PP3002(C-21)
C3341
0.01 R3316
1K
R3315
39
L3301
22u
C3355
2.2
C3371
0.1 R3329
220
C3366
2.2
R3324
0 R3335
1K
R3334
560 C3380
5P
C3390
120P
R3323
1500
C3391
220P
R3339
3900
C3393
270P
R3349
3900
C3376
270P
C3372
2.2 R3318
1K
C3374
270P
C3347
2.2 C3360
6V47 C3362
0.1 C3345
50V4.7 C3342
16V10 C3343
0.01
C3333
0.1
C3336
0.01
C3335
0.01
C3334
0.01
C3338
0.01
R3308
10K
L3302
22u
R3374
1K
R3376
1500
Q3322
2SB1218A
(BUFFER)
R3375
1100
R3372
1M R3373
1M
C3389
1 C3388
1
R3371
560
(BUFFER)
Q3321
2SB1218A
Q3320
2SB1218A
(INV.)
R3369
330
Q3319
2SD1819A
(BUFFER)
R3370
120
R3368
110
R3366
1500
Q3318
2SB1218A
(BUFFER)
R3367
1100
C3386
22P
C3385
22P
L3309
100u C3387
12P
R3365
1K
Q3317
2SB1218A
(AMP)
R3364
560
IC3305
C1AB00001760
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE) NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
A1
A2
B1
A3
A4
A5
A6
A7
B2
B3
B4
B5
B6
B7
B8
R3313
100 R3314
100
C3383
6V0.47
C3344
6V0.47 C3340
0.1 C3339
6V47
VCC2
SUB-EMPHASIS
B1 B6 B9 B2 B7 B8 B4 B5 B10
A5 A6 A8 A9 A10 A11 A12
A7
A1
A2
VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
1.5
0.8
5.1 1.6 0
2.4 2.4
3.4
2.8
2.8 5.1
4.4
1.5
2.1
1.5
2.8
2.1
2.3
2.8
2.3
2.1
(3.1)
5.1
2.5
2.5
2.5
2.5
2.5 3.7 2.5 2.5 3.6 5.1 2.4 2.7 2.8 3.0 1.6 2.4
(1.9) 2.8
2.3
2.7
(2.3)
3.1
0
2.1
2.8
4.4
2.8
2.8
4.4
(0)
2.6
(0.4)
4.4
2.8
0.3 5.1 2.8 5.1 3.4 2.9 0.3 2.9 2.8 5.1 2.2 2.8 2.4
NV-SV120EF
S-VHS PACK SCHEMATIC DIAGRAM