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Section 8
Block Diagrams
Q
B
T
B1
LINE A
J2701
IC2780,2782
IN
VIDEO
VIDEO/Y
SW
VIDEO
J2704
OUT
CN2702
Y/C IN
IC2785
VIDEO
CS
SW
CN2703
Y/C OUT
LINE B
IC2781
J2702
VIDEO
IN
SW
VIDEO
J2707
OUT
IC1903
J2713
G/Y
IN
Y/G
G-Y
J2716
OUT
J2714
B/B-YY
IN
PB/B
B/B-Y
J2717
OUT
J2715
R/R-Y
IN
PR/R
R/R-Y
J2718
OUT
IC1902
J2703
COMP
COMP SYNC
IN
SYNC
EXT
J2710
SYNC
OUT
LINE A
K
J2705
IC2783,2784
IN
AUDIO
IC1901
IC3501
SW
AUDIO
J2706
AUDIO
SP
OUT
AMP
AMP
LINE B
J2708
IN
AUDIO VOL
AUDIO
J2709
1
OUT
J2711
OP AUDIO 1
IN
SDA
J2712
SCL
OP AUDIO 2
IN
IC104,108,109
EEPROM
J2719
IN
AUDIO
J2720
IC106,110
RGB
AFC
OUT
OSD
H PULSE
V PULSE
CN2701
IC3770
IC906
IC102
SHIFT
IC103
REGISTER
IC3750,3751
IC102
RS485
DRIVER1
RS485
PVM-14L5/20L5/D14L5A/D20L5A
IC805
BYPASS
IC803
SW
VIDEO/Y
DL
AMP
IC2806
SYNC
H
AFC P
AFC
IC2803
C
AMP
IC2801
IC2802
IC801
IC802
Y
SYNC
COMB
FL
M.M.V
DAC
SEP
FILTER
9
C
HP
9
Y/C
CLP
CLK
Q105-108
Q116-119
M
IC1101
CAP ON/OFF
SW
CPU
CAP L1/L2
CAP C/T
SDI SW
8
45K SW
15K SW
16:9 SW
COMP/DECODER
SDA
SCL
A/D KEY GRP0-2
3
R OSD
G OSD
B OSD
YS OSD
MOSI
LED DAT
MISO
LED CLK
2
SCLK
LED GRP SEL0-2
3
SERMO RX
A/D KEY GRP3-5
3
SERMO TX
IC101
IC103
RS-232
RECEIVER
IC103
IC102
R A/D AUTO CHROMA
Q1001-1004
G A/D AUTO CHROMA
LED
B A/D AUTO CHROMA
DRIVE
LED BRIGHT0-2
3
Overall (1/2)
Overall (1/2)
IC806
Y GAIN
Y/G
CTL
DL
IC201
IC201
Y/G
BUFF
Y LEV
IC2804
IC201
DECODER
IC3802
IC3803,3804
IC3807
PB/B
1H
PAL
R-Y/R
BUFF
DELAY
SW
R-Y
LPF
B-Y
LPF
IC201
IC3807
PR/R
B-YB
BUFF
R-Y LEV
B-Y LEV
IC2805,4803
SDA
DAC
CONTROL
SCL
SIGNAL
IC4804
EEPROM
IC55
+5V
H1/HA
D2901
(14L)
(20L)
S2902-2915
D2902-2921
Q2901-2905
LED POWER
IC1001
LED GRP0
FUNCTION
LED
LED DRIVE
2
KEY
DRIVE
3
H2/HB
Q5001-5012
(14L)
(20L)
Q5014-5029
D5001-5014
IC5001,5002
LED
SHIFT
DRIVE
REGISTER
IC5003
LED POWER
3
DECODER
LED GRP0
LED DRIVE
S5001-5014
FUNCTION
KEY
RTS
TXD
RS-323
RXD
D900-909
TALLY
X
4
8-1
8-1
IC202
IC204
IC251
CLAMP
Y
IC252
DL
AMP
AMP
DL
Y CLP Y BLACK
Y LEVEL
APER LEV
IC251
DL
IC302
DL
IC304
CLAMP
IC351
PB
IC1301
DL
AMP
CHROMA PB
PB BLACK
DL
G-Y/B
PB LEVEL
IC402
IC404
CLAMP
IC351
PR
IC1401
DL
AMP
CHROMA PR
PR BLACK
CHROMA
DL
C CLP
SUB CHROMA
G-Y/B
PB LEVEL
15K SW
IC1453
IC2001
IC1453
IC1451
RGB
R
MATRIX
CLAMP
RC
R LEV
IC1253
IC1253
IC1451
G
CLAMP
GC
G LEV
IC1353
IC1353
IC1451
B
BC
CLAMP
H BLK
B LEV
V BLK
RGB SW
PIC
BRT
IC53,54
IC51
IC52
SELECT
CAPTION
BUFF
DECODER
4
4
4
H BLK
R OSD
R OSD
G OSD
B OSD
YS OSD
SYNC
COMP SYNC SEP
AGC
H SYNC
SEP
V SYNC
SEP
IC2042
IC2046
CLP
H BLK L
M.M
H BLK
H BLK 33K SW
IC3,4
H BLK
V BLK T
SDA
DAC
H BLK1
V BLK B
CONTROL
SCL
V BLK
SIGNAL
AFC
H PULSE
16:9 SW
V PULSE
R
G
B
Y
RC
GC
AMP
BC
C
R
R
AMP
AMP
V901
G
G
PICTURE TUBE
AMP
AMP
B
B
(FBT)
AMP
AMP
7
IK
IK
BUFF
DET
ACP R
R A/D AUTO CHROMA
BUFF
ACP G
G A/D AUTO CHROMA
BUFF
ACP B
B A/D AUTO CHROMA
BUFF
ABL
5
H SYNC
6
V SYNC
SDA
SCL
- Quick Links:
- Service Manual
- Set-Up Adjustment
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