Panasonic NV-SV120EG Service Manual page 115

8.10. S-VHS PACK SCHEMATIC DIAGRAM
PS3301
FSC 1
G
V MASK 2
SYS IIC DATA 3
SYS IIC CLOCK 4
PS 3.3V 5
C IN 6
DNR 5V 7
PB C 8
9
GND
EMPHA OUT 10
GND 11
EMPHA IN 12
GND 13
F
PS3302
HEAD SW 1
2
3
VIDEO OUT 4
GND 5
OSD VIDEO 6
GND 7
C OUT 8
GND 9
Y OUT 10
SECAM C 11
E
SEPA C 12
13
REC Y 14
SECAM YC 15
SEPA Y 16
CURR OUT 17
PB Y 18
D
C
B
A
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
1
VIDEO MAIN SIGNAL PATH IN REC MODE
L3301
A1 22u
A2
B1
A3
A4
A5
A6
A7
B2
B3
B4
B5
B6
B7
B8
C3371
0.1
R3308
10K
C3390
120P
R3323
R3335
1500
1K
C3391
C3380 R3334
220P
5P 560
R3349 R3339
3900 3900
C3376 C3393
270P 270P
L3302
22u
2 3
A5
C3355
2.2
2.4
14
CMUTE
15
2.3
16
C3366
2.2
2.8
17
VMUTE VFBC
2.3
18
ATT
19
R3329
2.1
220
(3.1)
20
21
5.1
22
SUB-EMPHASIS
23
SVHS
2.5
24
NVHS
25
REC
REC
2.5
26
PB
R3324
0
2.5
- +
27
EP
2.5 ATT
28
SP
29
2.5
C3372
2.2
B1
4
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
A6 A8 A9
(EB)
R3313 R3314
100 100
2.8 2.2 5.1 2.8 2.9
13 12 11 10 9
VCC2
OSD
YMUTE YFBC
OSD
FIL
OSD
DIG
OSD
OSD
DIG OSD
OSD
FIL
OSD
DIG OSD
+
C MUTE
TRAP CK
REC
NC
PB
+
LIM1
-
PB
REC PB
PB
-
-
+
+
LIM2
REC
+
DC
-
30 31 32 33 34
3.7 2.5 2.5 3.6 5.1
R3318 C3347 C3360 C3362
1K 2.2 6V47 0.1
C3374
270P
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKET
WITH PAL COLOUR SIGNAL.(SP MODE)
5
A10
C3383
0.01:EB
6V0.47:EC/EP
0.3 2.9 3
8 7 6 5
CL2 COMP CL2
ATT
+6
POSLP
DIG
V
EXT
CONV
EXT
BF CRAD
35 36 37 38
2.4 2.7 2
C3345 C3343
50V4.7 0.01
B6 B9
6
56