Sony HCD-VX90AV Service Manual page 50

• BD Board
IC103 CXA2568M-T6
APC PD AMP
VEE
HOLD 1
VEE
AGCVTH
2
VREF
3
LD
PD
4
A
5
B
6
RF SUMMING AMP
VC
C 7
D
8
VEE
9 VEE
VC
F
10
E
11
VC
VC BUFFER
VC 12
VC
• PANEL Board (2/2)
IC603 BA3830F
R02 REFFERENCE
1
CURRENT
REFFERENCE
P01
2
CURRENT
LINE
BPF
3
NF
BPF
LINE
4
IN
BPF
REC 5
BPF
NF
BPF
REC 6
IN
BPF
RESET 7
C
BIAS 8
Bias
C
GND1 9
24 VCC
VCC
23
LC/PD
VCC
22 LD_ON
APC LD AMP
21 HOLD_SW
AGCCONT
20
VC
VCC
(50%/30%
OFF)
RF_BOT
19
VC
VEE
RFTC
18
RF_EQ_AMP
17 RF_1
VC
RFO
16
RFE
15
ERROR AMP
VC
FOCUS
14 FE
VC
13 TE
TRACKING
VC
ERROR AMP
VCC
VC
VEE
RESET 18 RESET
17 f01
DET
16 f02
DET
15 f03
DET
14 f04
DET
DET
13 f05
DET
12 f06
DET
11 REC
LEVEL
10 VCC
• VIDEO Board (3/3)
IC509 PCM1727E-2/T2
XT1 1 CLOCK MANAGER
PGND 2
VCP 3
NCKO 4
RSV 5
6
SCKO3
ML 7
MC 8
MODE
CONTROL
9
MC
RSTB 10
BPZ
CONTROL
11
VOUTR
AGND 12
– 80 –
384fs
•
DUAL PLL
POWER
SUPPLY
AUDIO
DATA INPUT
INTERFACE
OPEN
8 TIME OVER
SAMPLING DIGITAL
FILTER
•
FUNCTION
CONTROL
MULTI LEVEL MULTI LEVEL
∆Σ ∆Σ
MODULATOR MODULATOR
5 LEVEL 5 LEVEL
DAC DAC
CR LPF CR LPF
• •
OUTPUT OUTPUT
AMP AMP
24 XT2
23 DGND
22
VDD
21 SCKO1
20 SCKO2
19 LRCK
18 DATA
17 BCK
16 ZERO
15 CAP
14 VOUTL
13 VCA