Dvd Video / Audio Block Diagram - Hitachi DV-PF73U Service Manual

6-8 DVD Video / Audio Block Diagram

VIDEO-Y
FROM DIGITAL VIDEO-C
SIGNAL PROCESS
VIDEO-Cb
BLOCK DIAGRAM
VIDEO-Cr
IC601 (AUDIO DAC)
FROM SPDIF
DIGITAL
PCM-BCK
SIGNAL 1
SERIAL
PCM-DATA0
PROCESS
2
PORT
PCM-LRCLK
BLOCK
3
DIAGRAM
ADAC-MD
13
ADAC-MC
14 SERIAL
ADAC-ML
CONTROL
15
FROM
DVD
SYSTEM
CONTROL
/SERVO
BLOCK
DIAGRAM
PCM-SCLK
DVD-A-MUTE
IC1402 (VIDEO DRIVER)
WF4
6
WF5
CN601 CN1601
2
7 VIDEO-Y 7
9 VIDEO-C 9
5 VIDEO-Cb 5 9
3 VIDEO-Cr 3
11
4X/8X
DAC
OVERSAMPLING ENPHANCED
MULTI-LEVEL
DIGITAL FILTER
DELTA-SIGMA
/FUNCTION
MODULATOR DAC
CONTROLLER
ZERO DETECT
SYSTEM CLOCK
16
DVD MAIN CBA
4dB 2dB
LPF DRIVER 18
AMP AMP
WF6
2dB
DRIVER 21
AMP
4dB 2dB
LPF DRIVER 23
AMP AMP
4dB 2dB
LPF DRIVER
15
AMP AMP
4dB 2dB
LPF DRIVER 13
AMP AMP
L-CH
LPF+AMP 7
R-CH
LPF+AMP 8
CN601
18 SPDIF
13 DVD-A(L)
15 DVD-A(R)
12 14 DVD-A(L)-MUTE
11 16 DVD-A(R)-MUTE
12 DVD-A-MUTE
DVD VIDEO SIGNAL DATA(AUDIO) SIGNAL
JK1403
VIDEO-Y
OUT
VIDEO-Cb
OUT
VIDEO-Cr
OUT
Q1351
AMP
WF9
IC1201
WF7
CN1601
3
18
2
13
15
14
6
16
WF8
5
12
VREF
Q1204
+3.3V
Q1203
+3.3V
DVD AUDIO SIGNAL
Y C
3 4 JK1401
S-VIDEO OUT
1 2
DVD-VIDEO TO VIDEO
BLOCK DIAGRAM
<VCR SECTION>
JK1202
DIGITAL
AUDIO OUT
(AMP)
1
DVD-A(L) TO
AUDIO
BLOCK
DIAGRAM
<VCR
7 DVD-A(R) SECTION>
DVD-A(L) TO
HiFi AUDIO
BLOCK
DIAGRAM
<VCR
DVD-A(R) SECTION>
Q1202
Q1201
MAIN CBA
31