System Control/Signal Processor Block Diagram - Sony DVP-NS72HP Service Manual

3-3. SYSTEM CONTROL/SIGNAL PROCESSOR BLOCK DIAGRAM

MV-55 BOARD
(DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND,SP,KR,TH/NS78HP: E,BR)
MV-56 BOARD
(DVP-NS78H: AEP,UK,RUS)
(SEE PAGE 4-13 to 4-14)
IC103
EEPROM
16K
SCL 6 101 SCL
SDA 5 102 SDA
12 IC101 238
27MHz
Notes:
Special keys have been written in
IC103 (HDCP & CPRM keys) and
therefore the IC103 cannot be replaced.
If this IC is faulty, replace the board entirely.
IC104
64M SDRAM
139~141,143,144,149~155 113~117,119~129 133 134 135
IC101
MICROPROCESSOR
AV DECODER
SERVO DSP
IP CONVERTER
HDMI TRANSMITTER
DVP-NS78H: AEP,UK,RUS
238 239 209 211
TO MV56
VIDEO
(SEE PAGE 3-11 to 3-12)
1.9Vp-p
8 IC101 182 C/BAR PB 7 IC101 183 C/BAR PB 6 IC101 185 C/BAR PB
0.7Vp-p 0.7Vp-p
1Vp-p
H H
H
DVP-NS76H: AEP,UK,RUS (RGB MODE)
11 IC101 182 C/BAR PB 10 IC101 183 9 IC101 185
0.7Vp-p
0.7Vp-p
0.7Vp-p
3-5
IC102
16M FLASH ROM
136 146 147 137 138 111 132 56~64,67~75,77,87,91 79,80,82~86,89
XRD 78
XWR 66
XROMCS 76
XIFBSY 110
IFSCK 98
IFSDO 97
XIFCS 99
IFSDI 100
XSYSRST 108
TX2P 180
TX2N 179
TX1P 177
176
TX1N
TXOP 174
TXON 173
TXCP 171
170
TXCN
DCC_SCL 161
DCC_SDA 159
HTPLG 162
SPDIF 215
XMAMUTE 210
AL 225
AR 223
206 182 183 185 187 191 189 205
DVP-NS78H: AEP,UK,RUS ONLY
5 IC101 187 C/BAR PB
4 IC101 191 C/BAR PB 3 IC101 189 C/BAR PB
286 mVp-p (NTSC)
1Vp-p
H 300 mVp-p (PAL)
1Vp-p
H
H
(For both MV-55/56 In case of MV-56, change to S-Video Mode)
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
13 IC101 146
3.3Vp-p
135MHz
IC108
RESET IC 1
CN106
XA_MUTE
TO MV-55/56
AUDIO
CEC
(SEE PAGE 3-13 to 3-14)
TMDS DATA2+
TMDS DATA2-
TMDS DATA1+
TMDS DATA1-
TMDS DATA0+
TMDS DATA0-
TMDS CLOCK+
TMDS CLOCK-
SCL
SDA
HPD
SPDIF
XMAMUTE
TO MV-55/56AUDIO
AL (SEE PAGE 3-13 to 3-14)
AR
XV_MUTE
RGBSEL
TO MV-55
C
VIDEO (1)
Y
(SEE PAGE 3-9 to 3-10)
V TO MV-56
VIDEO (2)
Y/G
(SEE PAGE 3-11 to 3-12)
CB/B
CR/R
WIDE
3-6
5 XIFBSY
9 IFSCK
7 IFSDO
TO IF-154
4
XIFCS
INTERFACE
6 IFSDI
(SEE PAGE 3-15 to 3-16)
2 XSYSRST
10 XVMUTE
14 XAMUTE
3 CEC
13
1
3
4
CN102
6
7
HDMI OUT
9
10
12
15
16
19