JVC TK-C720TPE, Service Manual

Page: 21 / 48

VCO
26
DD
Amp
Sense
Pulse Generator
Auto Calibration
IC203
MODE SWITCHING
CENTER BIAS
CENTER BIAS
LIN CLP
COSCLP2
COSCLP1
SH1
1
CAM/VIDEO
PBRFC
RFCONT
32
31
GND2
LIN/CH
N.C.
30
29
28
Vcc2
DIN
27
26
PIN 25
CLPDM
24
8 7 6 5 4 3 2
GND3
PB/REC
CH/CL
PS
VSHP
LOUTCLP
DR
V
OUT
DR
LPF
LPF
BOTT
C/V SW
GCA
AMP
LIN/CH SW
V1 SW
VISH
REF
DC
CH/CL
LOUTCLP
V DR
9 Vcc3
10 VRB
OFFSET
SW
OM OP T
REF
1
12
1 T VR
OFFSET
13 PBLK
AGCCLP
CAMSH
19
CCDLEVEL
AGC
SH3
SH2
LPF
23
GND1
22
SHD
21
SHP
20
Vcc1
BLK
14
15
XRS
CLPOB
16 AGCCLP
A
GCCONT
18 17
Vcc4
VRB 35
CE 24
CLK 22
OE 23
iming Gen T
VRB 34
Encode
Comparate
Coarse
&
Unit
Calibration
Encode
Comparate
Fine
&
VRT 30
VRT 29
V
IN
39
IC204
DAC
+
+
-
x8
Amp
Sense
Vss
27
A
28 36 18
V A
CCD
Sampling pulse
CCD OUT
CCD BOARD
Buffer
Q101
VSUB
RG
H1
Vsub
RG
H1
H2
V4
VSUB
Drive pulse
H2
V4
V3
V2
V1
V3
V2
V1
PRO BOARD
EEPROM
4
72
EEPROM
IC205
<DCIN>
1
5
I
7
IC210
O
6
<AGC CONT/OFFSET>
14
IC206
D/A
DI
DI
3
DO
RGB-INTG
RGB-CNT
-INTG
-CNT
(5wind)
-INTG
HIST
LINV 20
RESET 15
TESTMODE
SEL
CAL
17
41
19
Latch
Fine
D0(LSB)
MINV
21
2
D1
D2
3
4
D3 5
SG
COMP
63
PHASE
VH
GEN
SYNC
SYNC
(2ch)
HIST
Latch
Correction
Coarse
&
D4
D5
8
9
D7 1 1
D6
10
D8
12
OPD
Y
DET
OB
PG
85 93
A/D
DOUT
INTERNAL
CLMP
EXT
COMP
PHASE
FSC
HD GEN
MASTER SYNC
SYNC
SEP
DET
CLMP
MAN
SYS
WB A
GA
REF
TE
C-WB
-AE Y
LPF
MCRCON
WB
SPRS
AE
SW
DIP
INIT
YC
SG
A
73
IICOM
CAM-SIF
TG EVR
RS232C
-SIF EXT
GAM
FSC
BUS
MTX
RGB
WB
D/A ENC
SCS SW-IF
MTX
LN
CLMP
AC
GAIN
AP
VSPRS/HLSPRS
C-Process
-Process
AE
WIND
GEN
1HDL
AP
VH
DL02
+
PRE
1HDL
IC207
DL1
LPF
Y
DADJ
GAM GAIN D/A
AP
HL
AC
GAIN
HLAP AC AC
DOUT
BLK
LL SW
Vref C
26
IO C
21
ref V
15
20
Y
Y IO
IC212
2
XSHD
VSS3 22 XSHD 10
IC215
DCOUT
CPP3
CPP2
CPP1
SUB
ADCK
XRS
47
TEST2
NC
TEST1
RST
DCIN 1
SDAT 18
SEN
SCK
17
19
29 27 36 2
Latch
Mode Set
AMP AMP
48
Pump
Change
45
46
iming Generator
MCK 26
CLPDM
PBLK
WEN
ID
25
21
15
16
OSCI
31
OSCO
32
CKI
34
1/2
T
SUB driver
43
V driver
V3 40
41 V4
37
38
V1
V2
RG driver
ADCK
XRS
H1
H driver
VM 39
42
44
VL
VH
4
5
H2
driver
7 RG
13
12
Pulse
Shutter
+
1 LPF
Filter
C
3
+ AMP
Y
CLPOB
XSHP
VSS2
VSS1
33
30
VDD3 VDD2 VDD1
35 28 20 23
HD
XSHP
A
VDD2
A
VDD3
A
VSS3
24
VD
6 3
A
VSS1
A
VDD1
14
11
IC202
Buffer
SYNC
5
PBLK
3
1
IC215
O
O
I
15
10
I
9
4
8 VBS
DC IRIS
Buffer VIDEO IRIS
ON/OFF
BLC SW
2
4
6
8
10
12
14
16
CN1
CN1
24
22
20
18
16
14
12
10
22
CN1
4
8
9
14
14
12
10
2
1
PHASE+/WB B
PHASE-/WB R
Sout
Sin
4
CN1
CN2
CN2
CN200
CN2
8 9
TP200
VSUB
TP201
RG
Buffer
Q200
RG
CN2
CN5
IC211
1 2
Buffer
Q207
52
SYNC
RG
Vref Y/Vref C
Buffer
VBS 14
CN5
Q400
Q221
Q214-216
AMP
IC400
Relay
RY400
TP BOARD
TP OUT
3
CN5
TP OUT
4
TP OUT
3
CN5
TP OUT
4
TP OUT
1
CN6
TP OUT
2
TP OUT
1
CN6
TP OUT
2
TER BOARD
5
3
TB100
VIDEO OUT
VIDEO OUT
SCREW TERMINAL
TP202
ROM
RESET
1
71
TP203
FSC
48
3.2 BLOCK DIAGRAM
3-2 3-2