Panasonic VDR-M70EG Service Manual page 138

VDR-M70EG / VDR-M70EB / VDR-M70GC / VDR-M50EG / VDR-M50EB / VDR-M50GC
1
S-19 IC BLOCK
IC3401
CXM3009TQ
F
LCD DRIVER
48 47
SYNC
SEP
VCOREF 1
SYNC
SEL
SYNC
FILTER 2
VCO
GND 3
CLOCK
GENERATOR
PHASE
RPD 4
COMPARATOR
E
+3V
5
Vcc1
CK
RP
SEN 6
IR
SERIAL
SCK 7
I/F
SDAT 8
TEST1 9
SERIAL
H.FILTER
I/F
XCLR 10
PLL
D VD 11 COUNTER
GND 12
13 14
IC6103
AN2903FJQ-V
VIDEO AMP
48 47 46
GND
DY
49
C 15dB
50 DV
15dB
51
52
15dB
53 DC
54
55 S-DC
56
B
57
VREF
58
SP
59
60
VCC
61
SP
62 VCC
GND
A 63
SP
64
1 2 3
1
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2 3
46 45 44 43 42 41 40 39 38 37
DA OUT
DA
PICTURE-
MODE
GAIN PICTURE-FO
+5V
36
Vcc2
COM-
ATT
PICTURE COM-DC 2.5V
LEVEL
ATT
MATRIX 35 G OUT
HUE
DL COM- COM-DC
SEL
ATT COLOR
LEVEL
34 R OUT
HUE COLOR
33 B OUT
LPF SUB- USER-
CONTRAST
TRAP CONTRAST BRIGHT
32 GND
LPF TRAP SUB- SUB- CONTRAST USER- POL
CONT R CONT B BRIGHT
POL 31 GND
GAMMA1 SUB- W/B
S/H
GAMMA2 BRIGHT LIMITER POL
30 GND
-1 -2
SUB- SUB-
BRIGHT R BRIGHT B
+3V
29
V
DD
STD BLK FRP XCLP XSTBY SH1 SH2 SH3 SH4
28 VDO
27 HDO
TIMING GENERATOR
26 POF
25 GND
15 16 17 18 19 20 21 22 23 24
45 44 43 42 41 40 39 38 37 36 35 34 33
GND
AND IF
GCA
3dB
ATT
STB -9dB
LPF
DOS DOS
BUFF
CLAMP
W B
MIX
GCA BPF
DOS ATT
BUFF
B 3dB -9dB
EVR MUTE LPF
EVR MUTE LPF
MUTE MUTE
DC SHIFT DC SHIFT DC SHIFT DC SHIFT
2.2K
1/2VCC
4 5 6 7 8 9 10 11 12 13 14 15 16
2 3
4 5
IC3701
LV4149W
EVF DRIVER
48 47
SIG.C
BLKL1
RMTL1
VCC1 49
OSDOUT 50
Buf
NC 51
CONT
VREG 52 REG
RIN 53 CLAMP CNTRST
GIN 54
CLAMP CNTRST
BIN 55 CLAMP CNTRST
RESET 56
SYNC IN 57 M FILTER SYNC SEP
VSEP IC 58
VDIN 59
HDIN 60
TEST1 61
IN/EXT
TEST2 62
CLPIN 63
GND1 64
1 2
IC1301
32
UPD168153
31
FOCUS/ZOOM/IRIS DRIVE
30
VM 37
29
A1 38
28
A2 39
GND 27
B1 40
26
EVR
PGND 41
CTL
25
VREF
B2 42
24
D2 43
23
PGND 44
22
VCC
D1 45
MUTE
21
TC
C2 46
MUTE
20
CTL
C1 47
MUTE
19
CTL
VM 48
18
17
4 5
138
6 7
46 45 44 43 42 41 40 39 38 37 36 35 34 33
Buf Buf Buf Buf
COM DC
POL SW POL SW
R-BRT SUB
COM
B-BRT BRIGHT COM-BRT
BRIGHT
R-CONT
BRIGHT BRT
VGATE VCNT VPAL1
SUB
CNTRST
S/H
VPAL2
B-CONT VPIN
GAMMA-2
GAMMA
SUB
GAMMA-1
FRP
CNTRST
BRT VCO-ADJ
CONT COM-BRT
R-BRT R-CONT
D/A
B-BRT B-CONT
GAMMA-1 BLKL1
V SEP
GAMMA-2 RMTL1
SIG C COM DC
HAFC
HCNT
PLL COUNTER
H-PULSE
L DECODER
CLP
SPLK
HGATE
PD
H-SKEN DET
VCOADJ
VCO
SERIAL
BUS I/F BLSW BLHD HD
3 4 5 6 7 8 9 10 11 12 13 14 15 16
36 35 34 33 32 31 30 29 28 27 26 25
H2
24 REFO
H1
23 REFI
H3
22 CONT+
H0
CH
OUTPUT
21 CONT-
STAGE
H4
CONT
20
OUT
1/N
19 VSHT
18 IRM-
17 PGND2
D/A
CONVERTER
CH
&
16 IRM+
OUTPUT
DRIVE
STAGE
CONTROL
IRIS
15 VIR
H5
LOGIC
14 EIR+
SERIAL-PARARELLE 13 EIR-
DECORDER
1 2 3 4 5 6 7 8 9 10 11 12
VDR-M70EG/EB/GC, VDR-M50EG/EBGC IC BLOCK
6 7
8
F
32 VSS2
31 VD
30 ENB
29 XENB
28 CKV1
E
27 CKV2
26 STV
25 XSTV
24 DSG
23 XDSG
22 TEST7
21 TEST6
20 CKH1
19 CKH2
D
18 STH
17 XSTH
C
B
A
8