Ic Block Diagrams - Sony HCD-VZ0 Service Manual

HCD-VZ10
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3 7 6 3 1 5 1 5 0

7-29. IC BLOCK DIAGRAMS

IC102 BA5982FM (BD BOARD)
BIAS IN
1
Vcc
OPIN1 + 2
OPIN1 – 3
10k 10k
OPOUT1 4
10k 10k
OPIN2 + 5
OPIN2 – 6
10k
10k
OPOUT2
7
10k 20k
GND 8
STAND BY STAND BY
9
STBY1
CH1 2 3 CH4
PowVcc1 10
Vcc Vcc
10k 10k
VO2 (–) 11
10k
Level Level 10k
Shift
Shift
VO2 (+)
12
10k
10k
10k 10k 10k 10k
VO1 (–) 13 16
10k Level Level 10k
Shift Shift
14 15
VO1 (+)
10k 10k
10k 10k
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC302 NJM2255M-TE2 (VIDEO BOARD)
8 7 6 5
SATURATION
+Ø
ADJUST
(COLOR BURST)
HUE ADJUST
SATURATION
ADJUST
–X (COLOR BURST)
1 2 3 4
w w w
IC303 NJM2209M-TE2 (VIDEO BOARD)
PreVcc
28
27 OPIN4 +
14 13 12 11 10
26 OPIN4 –
25 OPOUT4
LPF
SECONDARY
DIFFERENTIATION
24 OPIN3 +
GAIN ADJ
23 OPIN3 –
SWITCH
22 OPOUT3
CONTROL
LOWER
LIMITER
(2)
21 GND
5
1 2 3 4
20 STBY2
19 PowVcc2
18 VO3 (–)
17 VO3 (+)
VO4 (–)
VO4 (+)
IC304 BA7665FS-E2 (VIDEO BOARD)
Mute
MUTEA 1
INA 6dB 75Ω
2
GND 3
GND 4
GND 5 6dB 75Ω
N.C 6
20k
7
INB 6dB 75Ω
MUTEB 8
Chroma Mute
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IC1651 M65850FP (MIC BOARD)
9 8 16 15
OSCILLATOR
LOWER CLAMP
LIMITER SYNC
1/2 VCC
(1) CHIP
CLOCK
AUTO
RESET
RESET
LPF1
6 7
1 2 3
Q Q
3 7
IC202 LA2615 (MAIN BOARD)
GUR
GLR
16 15
16 VCC1
OUTA1
15
14 OUTA2
SURROUND
13 VCC2
MIXOUT1
12
11 MIXOUT2
1 2
On/Off CONT2
10 N.C
9 OUTB
u 1 6 3
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2 4
8 9 9
IC704 BA3830F (PANEL BOARD)
R02
1
14 13 12 11 10 9
P01
2
D/A LPF2
LINE
3
DO1 NF
MO
MAIN
20KBIT
CONTROL
SRAM
LINE
MI
4
D1 DO0
IN
A/D
REC 5
NF
4 5 6 7 8
REC 6
IN
RESET 7
C
BIAS 8
C
GND1 9
6 3 1 5 1 5 0 8 9
ACG LPFC L-OUT
NC Vcc R-OUT
12 9
14 13 11 10
+
ANALOG
+
VREF
3 4 5 6 7 8
CONT3 GND VREF L-IN R-IN
HPFC
m
c o
.
2
8 9 9
REFFERENCE
RESET 18 RESET
CURRENT
REFFERENCE
17 f01
CURRENT
DET
BPF
16 f02
BPF DET
15 f03
BPF DET
BPF DET 14 f04
DET
BPF
13 f05
BPF DET
12 f06
DET
11 REC
Bias
LEVEL
10 VCC
2 4 9 8 2 9 9