Philips DVP620VR/78, Руководство по обслуживанию

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1-11-8 H9622BLVD
DVD Video / Audio Block Diagram
IC601
(A
UDIO D/A CONVER
TER)
7 8
11
DIGIT
AL
A
UDIO OUT
JK1202
B
U
FFER
Q1351
IC1201
Q1201
Q1202
VREF
(AMP)
CN601
CN1601
14
14
D
VD-A(L)
16
16
D
VD-A(R)
15
15
D
V
D-A(R)-MUTE
13
13
D
V
D-A-MUTE
1 2 3
13
14
15
16
T
O
D
VD
SYSTEM CONTR
OL
/SER
V
O
BLOCK DIA
GRAM
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
SERIAL
POR
T
SERIAL
CONTR
OL
4X/8X
O
V
ERSAMPLING
DIGIT
AL FIL
TER
/FUNCTION
CONTR
OLLER
ENPHANCED MUL
TI-LEVEL
DEL
T
A-SIGMA
MODULA
T
O
R
DA
C
LPF+AMP
L-CH R-CH
LPF+AMP
DA
C
ZER
O DETECT
SYSTEM CLOCK
1
2 6
7
5
D
V
D-A(L)
D
V
D-A(R)
PCM-BCK SPDIF PCM-DATA0 PCM-LRCLK ADAC-MD ADAC-MC ADAC-ML PCM-SCLK
MAIN CB
A
D
VD MAIN CB
A UNIT
D
V
D A
UDIO SIGNAL
D
A
T
A(A
UDIO) SIGNAL
19
19
SPDIF
A-MUTE
+3.3V
Q1204
3
CN601
88
VIDEO-Y(I/P)
10
10
VIDEO-C
66
VIDEO-Pb/Cb
44
VIDEO-Pr/Cr
JK1401 S-VIDEO OUT
CN1601
3
4
2
1
IC1402
(VIDEO DRIVER)
13
4dB AMP
2dB AMP
LPF
DRIVER
YC
14
2dB AMP
DRIVER
4dB AMP
2dB AMP
LPF
DRIVER
11
4dB AMP
2dB AMP
LPF
DRIVER
6
10
4dB AMP
2dB AMP
LPF
DRIVER
8
VIDEO-Pb/Cb OUT VIDEO-Y OUT VIDEO-Pr/Cr OUT
JK1403
3 1
15
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
GRAM
D
VD VIDEO
SIGNAL
VIDEO-Y(I/P) VIDEO-C VIDEO-Pb/Cb VIDEO-Pr/Cr
TO A
UDIO
BLOCK DIA
GRAM
<VCR SECTION>
D
VD-VIDEO
T
O
VIDEO
BLOCK DIA
GRAM
<VCR SECTION>
IC1403
(VIDEO DRIVER)
5
4dB AMP
2dB AMP
LPF
DRIVER
6
2dB AMP
DRIVER
4dB AMP
2dB AMP
LPF
DRIVER
3 1
7
11
VIDEO-Y(I)
VIDEO-Y(I)
WF5
WF9
WF7
WF8
" " = SMD
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
C
R
OSS A HOLE IN
THE PCB
.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O
INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A
TEST PIN.
WF4
WF6
R1402