Video) Schematic Diagram - Sony DVP-F21 Service Manual

DVP-F21
Q Q
3 7 6 3 1 5 1 5 0
MB-99 (VIDEO) SCHEMATIC DIAGRAM • See page 4-7 for printed wiring board.
– Ref. No.: MB-99 board; 60,000 series –
1 2 3
MB-99 BOARD (9/11)
A
L901
100uH
B+
MB-99 BOARD (7/11) AI+5V
VMUTE
MB-99 BOARD (1/11)
JL901
B
COMPOUT
JL902
MB-99 BOARD (5/11)
COUT
JL903
YOUT
WIDE
MB-99 BOARD (1/11)
IC901
C
L79M05TLL-SONY-TL
IC901
–5V REG
1 2 3
B– B–
MB-99 BOARD (7/11,10/11) SW-11V
D
C901 C902
0.01u
47u
B 6.3V
GND
T E Y/G
L 1 3 9 4 2 2 9 6 5 1 3
CB/R
MB-99 BOARD (5/11)
CR/B
E
F
G
w w w
VIDEO
MB-99
4 5 6
IC902
VIDEO BUFFER
B–
* IC902
C904
NC
0.047u
1
B
NC
VIDEO_IN
DCCNT1
GND
C_IN
MUTE1
Y_IN
NC(DCCNT2)
R902 R910
NC(GND)
XX XX
NC
Y_IN(NC)
DCCNT2
GND
C903 C910
47u 47u
Cb_IN
6.3V 6.3V
Q902
4.7 MUTE2
UN5111-TX
BUFFER
Cr_IN
4.6
-5V
0
JL904 0
JL905
Q901 R901
UN5213-TX 10k
INVERTER
x a o
y
. i
4-27
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7 8 9
B+
R903
LA73050-TLM 10k
NC
NC
R904
68 R907
+5V
2012
0
VIDEO_OUT
C907
0.1u
GND
2 B
R905
C_OUT
68 R908
2012 0
NC
3
Y_OUT
-5V
-5V
4
NC
+5V(NC)
Y_OUT
5 GND
Cb_OUT
NC
6
R906
Cr_OUT
68 R909
2012 0
-5V
B–
C908 C909
XX XX
C905
C906
01ZA8.2(TPL3)
0.1u 47u
B 6.3V
Q Q
3 7 6
* R911 * R914
XX XX
* D903
XX
* R915
* R912
XX XX
* D904
XX
* R913 * R916
XX XX
* D905
XX
u 1 6 3
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2 4
8 9 9
10 11 12
AU_GND
R MB-99 BOARD (10/11)
L
J903
LGND 4
L
L 3
AUDIO OUT
RGND 2
R
R 1
JL906
VIDEO OUT
J901
JL907
J902
S1
S-VIDEO OUT
5
S2
6
JL908
D901
D902
01ZA8.2(TPL3)
3 1 5 1 5 0 8 9
CN901 XX
JL913
Y
GND
JL914
Cb
GND
JL915
Cr
GND
N.C.
LINE1
LINE2
N.C.
JL916
LINE3
JL917
* R917
XX SW_GND
N.C.
JL918
SW
NO MARK:DVD PLAY
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
CHROMA Y Y/CHROMA
PB
m
c o
.
4-28
2
8 9 9
• Waveforms
1 IC902 3
1.2 Vp-p (H)
2 IC902 6
0.9 Vp-p (H)
3 IC902 8
2 4 9 8 2 9 9
0.9 Vp-p (H)
4 IC902 !™
0.9 Vp-p (H)
5 IC902 !∞
0.7 Vp-p (H)
6 IC902 !¶
0.7 Vp-p (H)