Schematic Diagram - Video Board - Sony HCD-FL7D Service Manual

8-51. SCHEMATIC DIAGRAM – VIDEO Board – •
CN701
17P
V5V
VGND
VMUTE1
R_GND
R702
10k
CR/B
B_GND
CB/R
YGND
Y
C_GND
C
V_GND
(Page 54)
V
WIDE
VIDEO.SW
VMUTE2
•
See page 93 for Waveforms. See page 96 for IC Block Diagram.
VIDEO AMP,
75Ω DRIVER
IC701
MM1568
CR OUTA
GND2
C762 1 50V
CR OUTB
CR IN
GND2
MUTE2
C763 1 50V
CB OUTA
CB IN
CB OUTB
CLP
C761 1 50V
GND2
CY IN
CY OUTA
NC
CY OUTB
GND1
C704
GND2
TRAP
0.1
Y OUTA
GND1
C765
C703
1
Y OUTB
22 BIAS
50V
50V
GND2
Y IN
V OUTA
YC MIX
C766 1 50V
V OUTB
V IN
GND2
MUTE1
R701 10k
C OUT
C IN
C701
VCC2
C764 100 VCC1
1 10V
50V
L701 C702
10µH 0.1
R722
75
C751 22 50V FB717
C750 100 10V
R721
75 FB716
C749 22 50V
C748 100 10V
R720
75 FB715
C747 100 10V
C746 470 6.3V
R718
75 FB712
C743 100 10V
C742 470 6.3V
R719
75 FB714
C745 100 10V
C744 470 6.3V
C741 0.1
R724 R717
10k 75
Q711
BN1A4M
Q711,712
WIDE SWITCH
C785 C784
22p 22p
Q712
BN1L4M JW784
R725
10k
89 89
J701
3P
P R /C R
C780
22p
COMPONENT
P B /C B
VIDEO OUT
C781
22p
Y
C782
22p
C770
(CHASSIS)
J703
C786
1P
22p
VIDEO OUT
JW786
C772
(CHASSIS)
J702
S VIDEO OUT
C771
(CHASSIS)
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : DVD PLAY
HCD-FL7D