Pioneer DV-500K-S, Руководство по обслуживанию

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DV-500K-S
56
1 2 3 4
1 2 3 4
C
D
F
A
B
E
10.5 DVD MT PCB ASSY(5/6)
IC7301 LA73054
VIDEO DRIVER 6CH IC
1
10
11
12
13
14
15
16
17
18 19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
4
5
6
7
8
9
L7301
22uH 0405
Q7302
KRC407-RTK/P
P-H/I-L
C7304
0.1 B
C7313
0.1 B
C7306
1 B
C7305
0.1 B
C7307
1 B
C7310
1 B
C7312
0.1 B
C7308
1 B
C7309
1 B
C7303
470
6.3V
YK_P
C7311
100 10V YK_P
R7305
1K
R7337
100
R7302
1K
TP7303
TP7302
W871
W877
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
C/V
SQUEEZE
LETTER
LETTER
SQUEEZE
VSEL1
I/XP
R/CR
B/CB
G/Y
C/V
VSEL1
G/Y
B/CB
R/CR
I/XP
V+5V_A
P-H/I-L
V+5V
V+5V_A
V+5V
D_GND
D_GND
FROM MPEG/MICON/DSP
TO AUDIO JACK
FROM POWER PORT
2.0
VCC1
CVBS in
SQ
LE
C in
GND11
Y1 in
Y2 in
MUTE2
CB in
AMP2
CR in
GND12
REG
GND26
CR out
GND25
CB out
VCC22
Y2 out
GND24
GND23
Y1 out
GND22
C-DC out
C out
GND21
CVBS out
VCC21
DRIVE1
AMP1
LPF
(9dB=H,6dB=L)
(P=H,I=L)
(9dB=H,6dB=L)
(ON=H,OFF=L)
DRIVE2
(1D=H,2D=L)
(1D=H,2D=L)
MUTE1
(ON=H,OFF=L)
IN SW
(RGB=H,YUV=L)
YC-MIX
(MIX=H,OFF=L)
0
0
0
0
0
0
0
0
0
0
2.6
0
0
2.5
2.6
2.7
5.0
2.5
2.5
2.8
0
2.9
4.1
2.9
0
0
0
0
2.8
0
0
2.8
0
0
5.0
3.3
0
0
Y/G
U/B
V/R
DVD MT PCB ASSY (5/6) (A2K020A130)
•
VIDEO JACK BLOCK