Eblb - Hitachi DZ-MV230A Service Manual

1 2
IC BLOCK DIAGRAMS
IC3501
RB5P0050M
LCD PROCESS INTERFACE
17 18 28 42 25
E
R 46 CLAMP DELAY GCA CLAMP
CP
MATRIX
CLAMP
PICTURE
1 PIC
2
G 47 CLAMP AGC CLAMP
1
AGC
CP
AGC FILTER 2 AGC DET
D AGC OUT 3
B 48 CLAMP DELAY GCA
CP BGP GEN
3
D SAVE P SAVE REG
43 44 6
C
LCD PROCESS/DRIVE
LOWI MUT
36 35
GATE
BGPO 37
GATE
V.COUNTER
FRPV 40
MIX GATE
FRPT 41
GATE
B
SYNC SEPA
XSCK 42
XCS 44
SERIAL
DECODE
SO 45
GATE
SI 46
VSY 47
VDIN 48
A
1 2
SYNI HSY
6 - 10
1 2
3
1 INPUT MODE/SW 9 OUT LIMIT
2 PICTURE 10 REG AMPLITUDE
3 COLOR 11 SUBBRIGHT R
4 LPF 12 SUBBRIGHT B
5 CONTRAST 13 COM AMPLITUDE
6 BRIGHT 14 COM BLACK LEV
7 GAMMA 0 15 DAC OUT
8 GAMMA 2 16 VCO OFFSET
26 37 9 10 11
1 XRGB,
CPN
1 LPF
OSD
LPF GAMMA CLAMP
SW
CP
CP
OSD
LPF GAMMA CLAMP
SW
CP
CP
OSD
LPF GAMMA CLAMP
SW
CP
CP
7 5 9 10
FIL
BIAS 8
6
CP
1 GAM TEST
4
~
1 14
13 14
16
DAC
15
1
S I/F
13 12 7 14 41 40 39 38 36 35 34
IC3502
LZ9FF47
PDP CSD OSCI OSCO PSD
29 28 27 26 25
24 SPD
H.COUNTER
23 CLD
MIX GATE
22 CTR
21 PSS2
GATE
20 PSS1
19 RES
GATE
18 EX2
17 PSG
16 MODE2
GATE
GATE 15 MODE1
14 EX1
13 SPS
12
CLS
3
4 5
EBLB, MR CIRCUIT BOARD DIAGRAMS
30 15
VSH/2
INV 24 R OUT
11
CP
23 R DC DET
INV 22 G OUT
21 G DC DET
INV 20 B OUT
12
19 B DC DET
27 COM OUT
29 COM FRP
31 COM BLACK
32 VCO CTRL
33
4 5
6 7
EBLB -SIDE A-
[PATTERN No.JD1134-5]
[PATTERN No.JD1134-5]
6 7
8
EBLB -SIDE B-
MR
8