Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic DVD DMR-E75VEB DSD0404006C2 doc scd_a44
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A
A26 A27 A16 A15 A28 A29 A30 A31 A32 A33 A24
B
C
D
E
C3937
0.01
C3934 C3935
R3943 R3944 16V10 16V10
C3
470 470 0.1
C3
6V
C3930 C3931 C3932 C3933 R3945 R3946
C3928 C3929 50V1 50V1 50V1 50V1 470 470
16V10 16V10
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
EXTEMAL ALWAYS VCC CLAMP
100K
100K
BUF BUF
CONTROL4 (5V+0.5V)
-
GAIN CTL
AMP AMP LPF LPF (0,2,4,6dB) AMP AMP
GAIN CTL
(0,2,4,6dB)
AUDIO
SWITCH Rch
SW1R
A A
SW1L
B B OR
LPF BUF LPF BUF
C C
MUTE MUTE
SERIAL
AUDIO CONTROL
SWITCH Lch
SW2R
A A
SW2L
Rch B Lch B
BUF C BUF C
IC3903 D D
C1AB00001776 MUTE MUTE
(SCART A/V BUFFER AND SWITCH)
SW3R
A A
SW3L
B B
LPF BUF LPF BUF
C C
MUTE MUTE EXT MUTE CONTROL
(HLCH SW3B)
OPEN LOW NORMAL1
POWER SAVE
(HLCH SW3B) 10V REG
AMP GAIN CTL OPEN LOW NORMAL1 100K
AV2 (0.6dB) TO
THROUGH TO REF
(L) VIDEO SW3 AUDIO VCC 12V DC
Y/C(H) LPF VCC CLAMP (12V+0.5V)
- 100K
EXTEMAL EXTEMAL
CONTROL1 CONTROL2 BUF
CLAMP
AUDIO R AUDIO L
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
C3922
0.01
C3920 C3921 R3934 R3935 R3939 R3940 C3923 C3924 C3902 C3941
50V1 50V1 10K 10K 2200 2200 16V100 0.01 16V10 16V10
R3936 R3938 R3937
15K 470 Q3905 470 C3925 C3926
16V100 0.1
2SB1218A0L
(BUFFER)
LB3906
J0JGC0000020
F
G
H
I
J
K PS +5V
L BOOSTER +5V
M PS +12V
O
P
Q OSD +5V
B36 B8 B37 B15 B16
R
DMR-E75VEB/EG Video Section (Main P.C.B.(3/3) Schematic Diagram(V)
S
13 14 15 16 17 18
91
BOOSTER +5V A
B
PS +5V C
A33 A24 A34 A35 A36
E
LB3907
J0JGC0000020
C3937 LB3908
0.01 J0JGC0000020
C3935
16V10
C3945 C3938
0.1 0.1
C3940
0.01
C3936 C3939
6V330 10V330
R3946
470
30 29 28 27 26 25 24 23
ALWAYS VCC CLAMP 75 75 CONTROL VCC CLAMP
(5V+0.5V)
- DR DR (5V+0.5V)
-
AMP LPF LPF
6dB 6dB
AMP AMP
B34
QR3001
A UNR521300L
SW1
B (INV.)
C
MUTE
SERIAL VIDEO
CONTROL SWITCH
B35
A
SW2
B
C
QR3005
D
UNR521200L
(INV.)
MUTE
D3001 R3025
A B0AAED000003 1K R3022
SW3
B 10K
C
MUTE
QR3004
UNR521100L
(S-VHS H :ON)
FSS CONTROL
TERMINAL
100K (L.M.H) R3967
TO BLANKING 1500
REF (L)
DC EXTEMAL DATA CLOCK
100K INTERFACE
CLAMP CONTROL3 BLOCK Q3906
R3969 2SB0710A0L
3300
SDA SCL R3950
15 16 17 18 19 20 21 22 68
R3951
15K
C3902 C3941 C3927 R3941 R3942 Q3907
16V10 16V10 0.01 100 100 2SD132800L
R3962
10K
R3947
10K
QR3913
UNR521200L
R3953
22K
QR3908
UNR521200L
(AV2 RGB THRQUGH L :OFF)
OSD +5V D
B15 B16 B17 B38 B39 B40 B10 B41
E
c Diagram(V) DMR-E75VEB/EG Video Section (Main P.C.B.(3/3) Schematic Diagram(V)
F
18 19 20 21 22 23 24
91
A BOOSTER +5V
B
C PS +5V
A9 A10 A11
C3050
1 R3013 R3014
100 100
R3010 C3040
H0D443400039
C3037
H0D357400067
C3041 0.022
R3020 15K PB PRE 50V0.47 50V2.2
Q3002
C3038
R3
0.022
3300 C3039
(3.58MHz)
TW3001
(3.58MHz)
A12 2SD1819A0L 0.033 33
C3036 R3015 R3016
X3001
(FSC BUFFER)
X3002
R3021 50V4.7 27K 470
1K
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
A14
QR3003
UNR521200L LOGIC
(DUB H :ON) CTL
X-TAL
CR DET VCO/OSC
81
C5007 C5006 C3034 2FSC
0.1 6V47 50V1 HEAD SW
A8 82
CCD REC KILLER
PB REC
CONT APC APC AFC
R COLOR
LEVEL
A7 83 DETECTOR
C5005 0.1 APC
P SW
L5001
68u
OSD +5V P/R
84 VCC(5V) ENVDET HPF C
C5004
0.01 C-ACC CHROMA
C.K +
A6 85 MIX LEVEL ACC
B.E ADJUST
P
C-ACC
SP2 FEC
A5 86 TRAP
CH2
SP2 REC +
C5003 MUTE
0.01
CH1
A4 87
R
SP1
FH HPF P
P/R CTL TRAP
88 GND
SP1 VCA
C5002 REC TRAP C-D
0.01 4.4
EXT HiFi TRAP DELAY MP
A3 89 P DE
2MLPF
ACC
INT HPF
EP2 R
A2 90
SP
C5001 EP2 CH2
0.01
A1 91 EP
CH1
SD
EP1
EXT INT DELAY
AUDIO
92 VCC(5V)
SQPB SQPB
EP1
C4011 C4012
6V47 0.01 C4014
50V4.7 P-EQ
93
P S-DET
R4013 C4015
15K 6800P
FH
94 TRAP R
SP ON
R4012 470K
LB4001 C4016
0 PREAMP 629 FM
6V22 LB4002 J0JBC0000070 TRAP AGC G-EQ
95
DO
R4009 DET
270 C4017 LB4003 R
J0JBC0000070 REC ON P
50V3.3 REC
B5 96 FILTER
DET DLIM
R4008 C4008
15K 1800P C4018 FM MOD
1800P EP ON
P DEMO
97
FO/DEVADJ
R4011 C4010 VCA SUB
20K 25V4.7 DET R LPF
B26 98 REC
EQ MAIN EMPHASIS
CARRIER OFFSET REC FBC+ALC
C4007 W.C/D.C PB AGC+APL
2200P
A- ATT
99 GND -4dB
R4007 C4009
100K K4007 0 6V22
100 MAIN P R
DE EMPHASIS
ATT
BAND -6dB
GAP
QR4003 IC3001
UNR521100L C1AB00001839 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
(PAL EP H :ON)
VIDEO/NORMAL
AUDIO PROCESSOR
C4002 C4004 C3003 C3004 C3006 C3007
R3002 1 0.1
16V10 16V10 6200 R3003 R3024 0.1 1
5600 6800
R4006 C4005 R4001 R4003 R4004 R4002 C4003
L4002 3300 6V100 1500 3K 4700 15K 50V1 C3005 C3056
C3001 R3001
150P 1500 27P 10P
C4001
16V10 L3001 L3008
82u 68u
D OSD +5V
B33 B1 B4 B2 B34 B35 B3 B20
E
DMR-E75VEB/EG Video Section (Main P.C.B.(3/3) Schematic Diagram(V)
F
25 26 27 28 29 30
92
BOOSTER +5V A
B
PS +5V C
A13
E
C3046 C3048 L3006
C3040 C3021
C3044 6V47
3P 0.01
C3045 0.01
C3041 0.022
50V2.2 0.01 27u
R3017
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