Sony HCD-VZ50MD Service Manual page 91

IC302 NJM2255M (VIDEO BOARD)
8 7
SATURATION ADJ
(COLOR MAIN)
HUE ADJ
SATURATION ADJ
(COLOR BURST)
1 2
IC303 NJM2209M (VIDEO BOARD)
14 13 12
LPF
CONTROL
LOWER
LIMITER
(2)
1 2 3
6
5
H
L
4
3
11 10 9 8
SECONDARY LOWER CLAMP
DIFFERENTIATION LIMITER ( SYNC
GAIN ADJ (1) CHIP
SWITCH
4 5 6 7
IC304 BA7665FS-E2
MUTEA
1
INA 2
GND 3
GND 4
GND 5
N.C. 6
20k
INB 7
MUTEB
8
CHROMA MUTE
IC509 PCM1727E-2/T2
XT1 1
2
PGND
VCP 3
)
NCKO 4
RSV 5
SCKO3 6
ML 7
MC
8
CONTROL
9
MC
RSTB 10
VOUTR 11
AGND 12
(VIDEO BOARD)
MUTE
6dB 75Ω
6dB 75Ω
6dB 75Ω
(VIDEO BOARD)
384fs
CLOCK MANAGER
•
DUAL PLL
POWER
SUPPLY
AUDIO
DATA INPUT
INTERFACE
MODE
8 TIME OVER
SAMPLING DIGITAL
FILTER
•
FUNCTION
CONTROL
MULTI LEVEL MULTI LEVEL
BPZ
∆Σ ∆Σ
CONTROL
MODULATOR MODULATOR
5 LEVEL 5 LEVEL
DAC DAC
CR LPF CR LPF
• •
OUTPUT OUTPUT
AMP AMP
16 VCC1
15 OUTA1
14 OUTA2
VCC2
13
12 MIXOUT1
11 MIXOUT2
10 N.C.
OUTB
9
24 XT2
23 DGND
22 VDD
21 SCKO1
20 SCKO2
19 LRCK
18 DATA
17 BCK
16 ZERO
OPEN
15 CAP
14 VOUTL
13
VCA
91