Block Diagram - Dvd/Cd Main Section - Sony HCD-ZX70DVD Service Manual

HCD-ZX70DVD
6-4. BLOCK DIAGRAM – DVD/CD MAIN Section –
HD8 – HD15
(Page 21) 2
HA0, HA1
3
(Page 21)
SI1, SO1, SC1
SI1
22
(Page 23)
SO1
SC1
CKSEL, DVD/CD CKSEL
23
(Page 23)
DVD/ CD
XDACS1
25
(Page 23)
XDACS0
(Page 23) 29
DACK0, DACK1,
DREQ0, DREQ1
DACK0
(Page 22) 17
DACK1
DREQ0
DREQ1
XCS2, XCS3,
XAVDIT
XCS2
18
(Page 22)
XCS3
XAVDIT
XWRH,
XRD
(Page 22) 19
X201
12.5MHz
RSTX
(Page 29) 40
VMUTE
(Page 22) 12
17
AMUTE
41
(Page 26) 16
Q1
PCON
42
(Page 29) 14
I2CDAT,
I2CCLK,
I2CBSY
I2CDAT LEVEL SHIFT
(Page 28) 43
73
Q3
I2CCLK LEVEL SHIFT
75
Q2
I2CBSY
LEVEL SHIFT
44
Q4
36
BUSM
44
(Page 26) 29
DVD RESET
45
43
(Page 29)
05
DVD SYSTEM CONTROLLER
IC202
79 SI1
HD0 – HD15
80 SO1
89 SC1
66 CKSEL
HA0 – HA21
100 DVD/ CD
99 XDACS1
98 XDACS0 CPUCK 5
XWAIT 19
INT1 94
INT3 88
85 DACK0 XRST 83
84 DACK1
87 DREQ0 XCS4 7
86 DREQ1
XCS0
XCS0 11
9 XCS2
10 XCS3
XCS1 10
XRD 22
95 INT0
XWRH 23
XWRL 24
SO0 77
SI0 76
SC0 78
91 X1
XIFCS 97
92 X0
96 14
3 6 12 1
47 LEVEL
SHIFT
IC2
VMUTE
5 7 2 1 11 3
AMUTE
SYSPWR
15 69 45 68
I2CDAT
I2CCLK
IF CONTROLLER
IC1
I2CBSY
I2CBSY
BUSM
RESET
DATA BUS
ADDRESS BUS
GATE ARRAY
IC601 (3/3)
HD0 – HD7
HA0 – HA5,
HA17 – HA19
RAMUB 124
135 CPUCK RAMLB 125
157 WAIT XRAMWE 113
156 HINT1 XRAMOE 112
155 HINT3
3 RST
MCK 59
142 CS4
VS 53
MAMUTE 49
XDACS2 96
141 CS1
145 HRD
144 HWRH
XDACS3 97
143 HWRL
DACRST 26
X01CS
01CS 28
EEPROM
X01IT0
01IT0 29
IC201
X01IT1
01IT1 30
X01RST
01RST 31
5 DI CS 3 23 XECS
6 DO WC 8 24 XEWC
4 SK R/B 1 25 XEBSY
TRMP 70
TRMS 69
CKMP 90
CKMM 89
TSW1 67
4
TSW2 66
TSW3 65
LEVEL
SHIFT
IC203
6 EXPI0 73
(MID OUT)
EXPI1 84
EXPI2 85
70
(MID IN)
CKSW1 88
CKSW2 83
OCSW1 64
SYSRQ 46 22 XIFINT
(COUNT)
OCSW2 63
X1 39
X1
12.5MHz
X2 38
DSW1 68
24 24
HD0 – HD15 HA1 – HA16 HD0 – HD15
7 – 10, 13 – 16, 5 – 1, 44 – 42, 15, 17, 19, 21, 24, 26, 28, 30,
29 – 32, 35 – 38 27 – 24, 21 – 18 16, 18, 20, 22, 25, 27, 29, 31
I/O0 – I/O15 A0 – A15 DQ0 – DQ15
S-RAM
IC204
39 40 17 41 6 14 1 12
LOADING MOTOR
DRIVE
IC702
OUT2
IN2
6 2 M702
MOTOR
M M
OUT1
IN1
(LOADING)
3 DRIVE 7
ELEVATOR UP/DOWN
MOTOR DRIVE
IC701
IN1 OUT1
M701
3 7
MOTOR
M M
IN2 OUT2 ELEVATOR
DRIVE
6 2
UP/DOWN
ROTARY
DISC TRAY
ENCODER
ADDRESS DETECT
S707
S702
(LID)
(ON: When CD lid is close)
S701
ON: When tray is going
to open/close
S708
(OUT)
(ON: When tray is open)
S703
ON: When sub tray move between
tray and stocker
S704
(IN) ON: When sub tray set to
play position
S705
(INIT)
ON: When elevator down
to bottom
S706
ON: When elevator up/down each
sub tray stock position
Q701
DISC IN DETECT
SENSOR
D704, Q703
HD0 – HD15
9
(Page 22)
HA0 – HA21
10
(Page 22)
HA1 – HA20
11 – 4, 42 – 34,
3, 2, 43
A0 – A19
FLASH MEMORY
IC206
N27MHGA
24 (Page 23)
VS
11
(Page 22)
MAMUTE
46 (Page 26)
XDACS2
26 (Page 23)
XDACS3
27 (Page 23)
XDACRST
28
(Page 23)
X01CS, X01IT0,
X01ITI, X01RST
21
(Page 23)