Cpu/Rca Boards Schematic Diagram - JVC TK-C553U Service Manual

3.7 CPU/RCA BOARDS SCHEMATIC DIAGRAM
FROM/TO CCD CN1
FROM/TO CCD CN1
3.0
7.1
FROM/TO CCD CN2
0.1 7.1
0.1 0.3
3.0
0.2
2.9
3.0
6.7
2.9
6.7
V.DRIVE
4.6
4.0
4.6
4.9
2.5
0
4.7 0
2.9 4.6
CHARACTER
1.8 2.7 2.5
GEN
5.0
+5V(A)
2.2
3.3
2.4
0.8
0
1.4 4.9
2.5 4.9
0
2.5
DA
3.1
3.2
3.2
3-7
CDS/AGC
AD
1.0 0.1
3.3 1.0 1.6 3.3
1.5
3.3 0
1.7 10bit 0
CDS AGC
ADC
0
0
2.1
0
1.3
1.3
1.3
1.6
1.7
1.3
2.0 1.3
1.3
0
3.0
1.0
3.1 3.1 3.1
1.0
0
2.7
2.3
5.0
1.7
0.1
1.5
0.1
2.9
2.9
2.9
2.5
3.0
4.8
2.9
3.0
4.2
0
0
4.6
4.8
2.6 0
0 0
4.9
4.2
5.0
2.6 4.9
0 4.9
2.9
4.8
0
4.9
4.9
0
0
4.6
4.9
4.9
4.8
4.9
4.9
0
4.9
4.9
4.9
0.9
4.9
4.9
4.9
4.9
4.6
4.6
4.0
4.9
4.9
0
0
0
4.9
4.9
2.5
2.2
2.6 2.2 2.6 1.9 1.6 2.5 2.5 2.7 1.8 4.9
3.2
3.2
4.9
Symbol No.
NC : OPEN
0
0
2.6 1.5
0 3.0
PRE-
OB 1H
KNEE CC y
CLAMP DL
DECODE
1.8
BLK
y
0
3.0
0
D/A
MTRX
TIME-DIV. 3.3
MLTPLX.
0
0
C GMIX
0.5
0.5
1.8
BLK MOD D/A
0.5
0
3.3
1/4
F.F.
0
3.3
1/n
0
1/m P/C 1.5
BUF
1.5
1.6
1/2
0
0.9
0.9
3.0
0 1.4 2.8 0.2 0 3.1
2.9 3.1 0 2.9 1.4 2.6 0.1
0.7
0.2
1.5 3.1
2.9
1.4
2.2
4.9 2.6
4.9 4.2
5.6
3.0
4.8
0
4.7
0 2.5
5.0 4.9
0 R354
0 0
0
4.8
5.0
4.9
4.9 0
0 5.0
0
CPU
0
EEPROM
4.9
4.9
4.9
4.9
4.9
4.9
4.9
1.1 1.8
2.1
5.1
2.2
0.1 0.8
2.7
1.4
2.7 2.5
0
0
Y/C MIX
3.8
2.2
3.1
2.7 2.2
1.2
0.5
1.5
2.8
0.2
2.6
4.5 2.2 2.7
0
0.1
0.1
1.4
0.7
3.9
0.7
2.1
2.1
2.0 0
4.1
3.1
2.0 2.2 2.1
0
4.2
0.9
1.2
1.4
3.3
1.4
1.2 0 5.0 0
0.3
3.5
0
3.0 0
3.0 2.2
2.6 1.3
IC223
2.3 2.1
PLSC1258
2.5
2.5
2.3 ROM 2.1
2.5 0.9
2.3 1.8
5.6
2.8
2.6 1.9 0 1.7 2.5 2.6
3.3
3.3
RCA BOARD
JK600
3.1
2.9
3.0
2.6
2.4
2.8
5.0
FROM/TO POW CN1
FROM/TO SW CN301
+5V(D)
SC92659