Schematic Diagram - Av Board (5/5) - Sony DVP-CX995V Service Manual

7-19. SCHEMATIC DIAGRAM – AV Board (5/5) –
SQUEEZE
VMUTE
(Page 54)
SW+5V
V
A-GND
C
Y
(Page 54)
Y/G
CB/R
CR/B
SW-12V_VIDEO
D_GND
EVER+12V
(Page 56)
DGND
SW+5V
(Page 55)
CN301
14P
EVER+12V
SW+5V
EVER+3.3V
GND
GND
SW+4.5V
SW+4.5V
SWITCHING SW+12V
(AC IN)
REGULATOR
SW+12V
GND(M)
GND(M)
SW-12V
EVER-12V
P-CONT
(Page 55)
SW+12V
SW-12V
(Page 56)
(CHASSIS)
(CHASSIS)
DVP-CX995V
• See page 68 for Waveforms. • See page 69 for IC Block Diagrams.
(5/5)
VIDEO AMP
IC102
LA73053-TLM-E
C104
47
16V
C103
47
16V
C105
0.047
IC101
NJM79M05DL1A (TE2)
1SR154-400TE-25
-5V REGULATOR
R129
0
C101
0.1
R373
0
R101
0
JL383
PS371
R103
0
JL381
IC371
C375 µPC2933T-EI
C374 +3.3V REGULATOR
100
0.01
JL382 25V
I O
G
C377
C372
C371 C373 0.01
100
0.01 0.01
10V
C380 C376
JL378
0.01 100 10V
C383
JL376
0.01
JL373
C384
0.01
R377
3.3k
PS372 R376
JL371 R374 3.3k
10k
Q371 R375 Q372
Q371,372
2SD1766FT100QR 3.3k DTA114EKA-T146
B- SWITCH
G201
C317
0.1
G202
C318
0.1
Q104
DTA124EKA-T146
Q103,104
WIDE ON/OFF SWITCH
Q103
DTC114YKA-T146
L101
22µH
D102
1SR154-400TE-25
R1016
10k
R110
10k R119
68
C109 R118
0.1 68
R117
68
R116
68
D104
HZM6.8ZWA1TL
HZM6.8ZWA1TL
D103
HZM6.8ZWA1TL
D105
R115
HZM6.8ZWA1TL
68
C106 R114
47 68
16V C107
0.1
C108
47
16V
R113
D101 68
R112
68
L102
22µH
R111
68
C102
47
16V
C378
C379
100
0.01
10V
C381
C382
100
0.01
25V
Q373,374
Q374 B+ SWITCH
2SB709A-QRS-TX
R383
Q373
47k
R382 2SC2712-YG-TE85L
4.7k
R378 R380
10k 33k
C385
D371 R379 C386
100
DAP202K-T-146 1k 470p
10V
57 57
1R
2R
P_GND
1L
2L
(Page 56)
1 2
R132
0
1 2
D106
PB/CB
J102
3P
PR/CR COMPONENT
VIDEO OUT
Y
CN302
9P
P_CONT
E+3.3V
SW+5V
SW+3.3V
GND
GND
SW+4.5V
(Page 51)
SW+12V(M)
GND(M)
CN303
3P
(Page 63)
SW-12V(M)
GND(M)
SW+12V(M)
MUTE3.3V
(Page 56)
CN304
5P
EVER+3.3V
GND
SW+5V
SW-GND
SW-12V(FL)
(Page 65)
DVP-CX995V
L
AUDIO
J103
6P
R
LINE OUT
VIDEO
J101
S VIDEO
OUT