Sony HCD-VZ30AV Service Manual page 55

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– VIDEO Board –
IC302 NJM2255M
8
HUE ADJ
1
IC303 NJM2209M
TE
L 13942296513
14 13
1 2
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.
http://www.xiaoyu163.com
6
7
SATURATION ADJ
(COLOR MAIN)
H
L
SATURATION ADJ
(COLOR BURST)
3
2
12 11 10 9
LPF
SECONDARY LOWER
DIFFERENTIATION LIMITER
GAIN ADJ (1)
SWITCH
CONTROL
LOWER
LIMITER
(2)
3 4 5 6
x ao
y
i
http://www.xiaoyu163.com
8
IC304 BA7665FS
MUTEA 1
INA 2
5
GND 3
GND 4
GND 5
N.C. 6
4
INB
7
MUTEB 8
CHROMA MUTE
IC509 PCM1727
XT1 1
Q Q
3 6 7 1 3
8
2
PGND
VCP 3
CLAMP
( ) NCKO 4
SYNC
CHIP
RSV 5
SCKO3 6
ML 7
MC 8
MC 9
10
RSTB
7
11
VOUTR
AGND 12
u163
.
2 9 9 4 2 8
MUTE
75Ω
6dB
6dB 75Ω
20k
75Ω
6dB
384fs
CLOCK MANAGER
•
1 5 0 5 8 2 9 9 4
DUAL PLL
POWER
SUPPLY
DATA INPUT
INTERFACE
MODE
CONTROL
8 TIME OVER
SAMPLING DIGITAL
FILTER
•
FUNCTION
CONTROL
MULTI LEVEL MULTI LEVEL
BPZ
∆Σ
CONTROL
MODULATOR MODULATOR
5 LEVEL 5 LEVEL
DAC
CR LPF CR LPF
•
OUTPUT OUTPUT
AMP
m
co
9 9
16 VCC1
15 OUTA1
14 OUTA2
13 VCC2
12 MIXOUT1
11 MIXOUT2
10 N.C.
9 OUTB
24
XT2
2 8 9 9
23 DGND
22
VDD
21 SCKO1
20 SCKO2
19 LRCK
AUDIO
18 DATA
17
BCK
ZERO
16
OPEN
15 CAP
14 VOUTL
∆Σ
DAC
•
AMP
13
VCA
55