Read Sony CHC-CV40 / HCD-CV40 Service Manual online
53
HCD-CV40
– VIDEO Board –
IC301
BA7046F-E2
IC303
NJM2255M (TE2)
1
2
3
4
8
7
6
5
H. OSC
H. OSC
HD
SYNC
VD
V. SEPA
SYNC
SEPA
PHASE
COMP
PHASE
COMP
VCC
VIDEO
GND
7
1
2
3
4
5
6
8
TINT
GND
V+
BGP
COLOR
V IN
COLOR
OFFSET
H
L
VOUT
HUE ADJ
SATURATION ADJ
(COLOR MAIN)
SATURATION ADJ
(COLOR BURST)
IC304
NJM2209M (TE2)
1
2
3
4
5
6
7
14
VIDEO
OUTPUT
N.C
N.C
N.C
GND
N.C
V +
CONTROL
N.C
DIFFERENTIATION
INPUT
VIDEO
INPUT
PHASE
DELAY
DIFFERENTIATION
OUTPUT
13
12
11
10
9
8
FREQUENCY
CHARACTERISTIC
COMPENSATION
LPF
SWITCH
CONTROL
SECONDARY
DIFFERENTIATION
GAIN ADJ
LOWER
LIMITER
(1)
LOWER
LIMITER
(2)
CLAMP
(
SYNC
)
CHIP
IC307
BD7600FV-E2
IC504
PCM1748E/2K
1
3
2
15
14
13
12
11
11
5
4
6
9
8
10
7
16
ROUT
LOUT
VCC
VDD
DGND
LRCK
DATA
BCK
Serial
Input
Power
System Clock
System Clock
I/F
Zero Detect
DAC
DAC
Output Amp and
Low-Pass Filter
Output Amp and
Low-Pass Filter
Control
Function
Manager
8x Oversampling Digital Filter
with Function Controller
Enhanced Multi-Level
Deita-Sigma Modurator
Supply
I/F
MCLK
LAT
CLK
DATA
DATA
DZFL
DZFR
VCOM
AGND
1
2
3
4
5
6
7
8
BUFOUT
OUT
VCC
OUTSAG
BUFIN
GND
IN
STBY
LPF
9dB
8dB
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