Panasonic NV-SD440EG/ Service Manual page 80

VIDEO MAIN SIGNAL PATH IN REC MODE
R3023
D3001
3300
1SS254
C3044 C3045 R3024
C3042
820P 220P 270
56P
R3031
2.2M
2.5 2.5
(2.0) (0)
64 63
C3049 R3025
680P 1K
VIDEO
C3050 C3046
68P 22P
-
65
0.1 +
(2.0)
R3029 R3030
R3028
330 12K
3.7
1500
(5.1)
66
C3051
R3027
22P
W/DC
1.4
4700
ADJ
(0)
67
C3048 R3026
56P 1500
1.4
(2.0)
68
DEV
ADJ
L3010 C3047
56u 6V22
0
69 NC
C4019 C4018 5.1 VCC
70
6V47 0.1 (NA)
R4013 C4017
22K 50V0.1
2.5
B5 71
R4017
1800
0
72 MUTE
R4012 C4016
22K 50V0.1
2.5
B6 73
R4016 EE/VV
C4015
1800
0
6V22
(1.5)
74 ALC
R4014
R4011 C4014
2.2M
33K 50V0.1
2.5
B7 75
R4015
C4013
18K
1/2
6V47
2.5 VCC
76
FH
TRAP
77
C4012
50V1
2.4
SW
78
GAIN
R4049
47K
LP ON
2.5
79
C4011
0.015
STD1 ON
2.5
80
R4010
390
1 2
IC3001 2.5 2.5
TDA9735HV2
C4004
L4001
25V
15m
4.7
R4009
180
QR4002
0
C4010
MUN2113
0.015
QR4001 (BUFFER)
UN2217
0.3 0
(MUTE)
R4004
15K
R4072
220K
B8 B9
NOTE:THE MEASUREMENT MODE OF THE DC VLOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
7 8
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE
A2 A3
C3043 R3021
0.1 680K
L3009 C3039
C3041 R3022 C3040 R3020
39u 6V22
16V10 220K 0.022 0
1.8
0 1.8 0.4 1.6 0.4 1.6 0.4 (2.2) 0
62 61 60 59 58 57 56 55 54
SYNC
SEP
AGC
AGC
DET
VCC
2FSC
1H-DL LPF
YNR YNR
DET
PROC AGC
DOP
YNR
CLP2
MIXER
NORM
(VIDEO OUT SELECT)
CLP1
EE
NC1
FAMI
Y/C
MIXER
VV
PICT NC2
FAMI
PB
+2.5dB CLP3
REC
FAMI
(Y2)
EE/ /VV
FAMI VV
AUDIO
REC PB
MAIN
DEL
LPF
(Y3)
DO=H
NLE DO
DTE
NLDE DET
SUB FM DOUBLE ENV
LPF DEM LIM DET
MOD
PEAKING
SVHS-
SQPB FO-DET
MUTE
VV
+
-
AUDIO
EE ON
REC-C
ADJ
AUDIO CHR-
EE ON GAIN
+
CHR
- REC
SP ON
CK
LP
ON SECL
VCC
(RF)
3 4 5 6 7 8 9 10 11
0
0 2.4 2.4 2.4 2.4 2.4 2.9 5.1
(2.8)
R3003
6800
N
C4003 R4002 C3013
R4003 R4001
50V1 10K 0.1
75K 330K C4001
R3004
50V1
220
C4005 C4002
2700P 8200P
SP Q
R4006 C3011 C3012
R4005 VR3012
22K 6V220 0.1
270 5KB
C4007
1200P QR3003
C4006
MUN2213
6V22
0 (LP H :ON)
R3006
QR3001
47K
MUN2213
(SP:ON)
L3003
2.7
10u
QR3002
0.4
MUN2213
H
(LP :ON)
B1
9 10
AUDIO MAIN SIGNAL PATH IN REC MODE
A1 A4 A5 A6
L3008
10u
C3034 L3007 C3033 C3032 L3006
C3038 C3036 C3031
25V4.7 10u 25V4.7 25V4.7 10u
6V100 6V220 50V0.47
C3037 C3035 C3030
0.1 0.1 2200P
4.7 4.4 0 3.6
5.1 1.9 (3.3) 5.1 (3.2) (0.5) (3.1) 5.1
53 52 51 50 49 48 47 46 45
VCC GND VCC VCC
(Y) (Y) (C1) (SCF)
FAMI
NOISE
CLIP
S5
CPN CPS
BURST VV
U/D
SUB
BPF
EE VV/
S1 S4
FAMI
ARTIF
BM-B NAP
SYNC
S2
SECVV FAMI
VV/
FAMI EE
MAIN
BPF
SUB
CLP
VV-SP/
FAMI
EE
S3
VV LP
C C VV EE
-6dB
NTSC
EE
LP/SP
(Y1)
2.2 6.6
TRAP TRAP
EPC
PEC
I C TINT
2 ROT 2
1/4
CK APC
ROT APC
CK DET
1/4
SP/LP
EE
VV
EE VV
FH/2
CACC REC
HSS TIMER
DET AFC
1/40
TO ROT 1
BM-A 1/4
CACC
FPC
MUTE MUTE
LPF
REC
L-TRAP
H-TRAP
& HPF
REC-Y SQPB VHS
ADJ
PB
A B
RF
+ DET
AGC
- +
B A
RE-Q GND
ADJ (RF)
12 13 14 15 16 17 18 19 20
1.9 4.2 3.2 3.4 1.8 1.8 1.8 1.8
(2.0) (0) (0.4) (0.4) (0.4) (0.3)
C3008 C3007 L3001 R3002
C3005
0.01 0.1 22u 300
68P
R3005 C3014
220 0.01
TW3001
R3032 C3054 R3034
LP Q
330 0.1 680
VR3013
5KB
R3036
1.8 2700
0.4
5.1
C3055
(2.6)
0.1
Q3003
2SB709A
4.3
TW3030 (AMP)
(2.0)
B10 B11
THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE
WITH PAL COLOUR SIGNAL.(SP MODE)
11 12
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
C3029
0.01
0
3.1 2.4 (0.4)
44 43 42 41
GND NC
(SCF)
CK-SWITCH
PILOT-BURST
BLANK
VCC 5.1
40
(D)
0H-DL
SEC C3026 C3025
SWITCH 0.1 6V100
+
NON-
GND
39
COR
(D)
SP=
0H-DL
-3dB
R3012
+ 100
3.2
38
ACC 2H-DL
DET 1H-DL
R3011
FAMI
100
3.1
ACC 37
2FSC
EE
VV
4.6
(3.1)
36
LPF
DELAY
A
C3024
6V47
f.ROT1 35
BM-A
SEC-L
VV EE
SEC-ME ME
1.2
SECAM
34
ID
2FSC BPF L
BPF 630
EE 1.2
33
X2
VV
VV/SEC/MUTE
3.0
32
EE
2FSC
2.7
VXO 31
EE
FSC
X3001
VSX0162
3.0
30
D.
DIVIDER
REC
SUBMIXER F.DET 5.1
29
LPF
2.7
28
R3009
100
2.5
27
5.1
VCC
1/2 VCO 26
(C2)
C3017
0.1
1.9
25
SLD
PAL-M
IDENT
PAL
FAMI
-M=H
GND
(C2)
21 22 23 24
0 1.9 2.4
(3.0)
R3040
0
R3001
18K
C3004 C3016 R3008
R3033
50V1 0.01 1500
0
C3015
50V1
B4
13 14 15
L3005
10u
VIDEO 5V P
GND P
GND(D) P
GND(A) P
SYS IIC CLOCK S
SYS IIC DATA S
HEAD SW S
TRACKING ENV. S
D.REC H S
CURR.EMPH H S
P3001
1 GND
2 VIDEO 5V
3 CURR.EMPH H
4 D.REC H
5 TRACKING ENV.
B10 6 RF Y+C
B11 7 REC Y+C
8 HEAD SW
9 ENV.SELECT
C3002
10 LP H
1000P
11 H.AMP SW
12
R3010
47K
C3020 C3019
2200P 0.1
L3004
10u
C3003
1000P
H.AMP SW S
C3018
ENV.SELECT S
6V100
ROTARY SW S
LP H S
B5 AUDIO IN2 I
B6 AUDIO IN1 I
B7 TUNER AUDIO I
B8 AUDIO OUT P I
H
B9 MUTE S
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON
THIS SCHEMATIC DIAGRAM FOR ORDERING.
WHEN YOU ORDER A PART,PLEASE REFER
TO PARTS LIST.
16 17