Block Diagram - Changer/Hdmi/Dmport Section - Sony HCD-HDX285 Service Manual

6-2.

BLOCK DIAGRAM - CHANGER/HDMI/DMPORT Section -

LOADING MOTOR DRIVER
IC701
M761 4 OUT1 FIN 7
M
(LOADING)
2 OUT2 RIN 9
STOCKER UP/DOWN
MOTOR DRIVER
IC711
M762 4 OUT1 FIN 7
M
STOCKER 2 OUT2 RIN 9
UP/DOWN
DISC INSERT
LEVEL SHIFT
DETECT SENSOR
Q751
IC751
S761
(SUB TRAY OUT)
S731
(SUB TRAY IN)
S721
(MAIN TRAY OPEN/CLOSE)
CLOSE
IO_DI 86
IO_CLK 88
OPEN
IO_CE 84
IO_RESET 85
IO-DO 87
CEC_TX_OUT 26
CEC_RX_IN 6
HDMI_PCONT 72
DMP_TX_OUT 35
DM_RX_IN 36
JACK1/JACK2/
65
DMP_DET
SYSTEM
CONTROLLER
IC503 (2/5)
PLUG_DET2
(Page 31) F
PLUG_DET1
G
(Page 30)
DMPORT_L
DMPORT_VIDEO
D
(Page 28)
HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
CHANGER CONTROLLER
IC001
24 P0
23 P1
AUDIO/VIDEO CONTROLLER
IC002
A_SEL0
P7 17
20 P4
A_SEL1
P6 18
19 P5
A_SEL4
P3 21
A_SEL5
P2 22
12 P8
P1 23
9 P11
ENCODER
10 P10 (STOCKER POSITION)
11 P9 ENCODER
8 P12
DO2 25 16 DI2
DO2 25
26 DI1 DO1 15 26 DI1
3 CLK CLKO 14 3 CLK
4 LATCH LATCHO 13 4 LATCH
2 RESET_B 2 RESET_B
CN451
DMPORT
5
RXD
6
TXD
7
DET
13
LINE AMP
Lch
IC451
14
R-CH Rch
17
VIDEO
HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
A_SEL
J (Page 30)
V_SEL2
E
(Page 28)
TX0P
TX0N
TX1P
ROTARY
TX1N
S781
TX2P
TX2N
TCKP
ROTARY
TCKN
S771
(MODE)
HPD
SDA
HDMI BUS SCL
C
(Page 28)
29 29
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO
: VIDEO
CN1701
HDMI OUT
7
TMDS DATA0 +
9
TMDS DATA0 –
4
TMDS DATA1 +
6
TMDS DATA1 –
1
TMDS DATA2 +
3
TMDS DATA2 –
10
TMDS CLOCK +
12
TMDS CLOCK –
19
LEVEL SHIFT HPD
IC1705
16
SDA
LEVEL SHIFT
Q1701
15
SCL
CEC DATA
13
SWITCH
CEC
Q9724, 9726,
Q9728, 9729
+5V
18
+6V +5V POWER
REGULATOR
IC1707