Video Buffer) Schematic Diagram - Sony DVP-C660 Service Ma

Q Q
3 7 6 3 1 5 1 5 0
AI-18 (VIDEO BUFFER) SCHEMATIC DIAGRAM • See page 4-39 for printed wiring board.
– Ref. No.: AI-18 board; 2,000 series –
1 2 3 4
AI-18 BOARD (1/5)
A
NO MARK:DVD/CD PLAY
AI-18 BOARD (5/5) VMUTE
JL601
B
JL602
JL603
JL604
B+
C
JL605
JL606
D
B+
SW+5V
AI-18 BOARD (5/5)
1.8
6
IC601
E +1.8V REG
IC601
PQ018EZ01ZP
1 2 3 4 5
B+
3.4 1.8
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
C615 C616
0.33u 47u
16V
M_GND
AI-18 BOARD (5/5) SW+11V
SW+3.3V
B+
IC602
-5V REG
IC602
G L79M05TLL-SONY-TL
1 2
B-
SW-11V
AI-18 BOARD (5/5)
D_GND
H
05
• Waveforms
1 IC603 wa 2 IC603 wd
w w w
.
728 mVp-p (H) 720 mVp-p (H)
5 6 7 8
B+
MA-87 BOARD (2/10)
CN502
(SEE PAGE 4-21)
B+
CN601 28P
28 D_GND 3.3V 27
JL607
26 VIDEOV 3.3V 25
24 VV_GND GND 23
22 VIDEOC 11V 21
JL608
20 VYC_GND 11V 19
18 VIDEOY M_GND 17
16 D_GND M_GND 15
JL609
14 5V 5V 13
12 D_GND VR_GND 11
JL610
10 WIDE Cb 9
8 VS_GND VB_GND 7
JL611
6 Y Cr 5
JL612
4 D_GND 1.8V 3
JL613
2 D_GND 1.8V 1
B+
B+
B+
3
-5
B- B-
C604
100u
25V
3 IC603 wg
x a o
y
i
1.0 Vp-p (H)
4-41
http://www.xiaoyu163.com
8
9 10 11 12
R612
0
B+
B-
C611
C605
0.22u IC603 LA7109-TLM
22u
25V
-0.1
VIDEO_IN +5V
GND VIDEO_OUT
3.3
C606
MUTE GND
0.1u 5
-0.1
C_IN C_OUT
C607 GND DRIVE_CTL2
-5
22u
-5V Y_OUT
25V 4
-0.1
Y_IN MUTE
GND -5V
N.C. N.C
C608
22u
R601 R603 R605
N.C N.C
25V 47k 47k
47k
-0.1 3
Y_IN +5V
GND Y_OUT
C609
3.3
22u
MUTE GND
25V 2
0.1
Cb_IN Cb_OUT
GND DRIVE_CTL1
C610
-5
22u
-5V Cr_OUT
25V
1
-0.1
Cr_IN MUTE
GND -5V
R602 R604 R606
47k 47k 47k
IC603
Q602
5
UN2111-TX
VIDEO BUFFER
WIDE SWITCH
5
0
0
R607
10k
Q601
Q Q
UN2213-TX
3 7 6 3
WIDE SWITCH
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
PB
4 IC603 ea
u 1 6 3
.
2.1 Vp-p (H)
http://www.xiaoyu163.com
2 4
9 9 8
13 14 15 16
B+
B-
6
5
R611 R613
10k 68
FB601
-0.3
R614
68 FB602
-0.3
R615
68
-0.3
3.3
C612
R616
0.1u 68
-5
FB603
R617
68
4.9
-0.3
R618
68
-0.3
-0.3
3.3
-5
FB604
FB605
FB606
C613
47u
25V
D604
D601
HZM6.8ZWA1TL
HZM6.8ZWA1TL
C603 C614 D602
D603
0.1u 0.1u HZM6.8ZWA1TL HZM6.8ZWA1TL
1 5 1 5 0 8 9 2 4
R608
68
R609
68
R610
68
6 IC603 eg
5 IC603 ed
m
c o
520 mVp-p (H)
4-42
DVP-C660/C670D/C675D
2
9 9
17 18 19
J602
JL614 VIDEO-OUT
1
3
JL615
2
2 1
J601
S VIDEO OUT
JL616
4
2
JL617
8
6
9
5
JL618
7
1
JL619
3
10
2 1
9 8 2 9 9
JL620
Y
JL621
CB
AI-18 BOARD (5/5)
JL622
CR
D_GND AI-18 BOARD (2/5)
ET601
2.4 Vp-p (H)
VIDEO BUFFER
AI-18 (1/5)