Block Diagram - JVC TK-C720TPU Service Manual

3.2

BLOCK DIAGRAM

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