![background image](http://html.mh-extra.com/html/sony/ss-cm90/ss-cm90_service-manual_1329653032.webp)
HCD-M90
31
31
: DVD/CD PLAY (AUDIO)
: DVD/CD PLAY (VIDEO)
: DVD/CD PLAY (DIGITAL OUT)
10
9
13
12
15
7
4
2
8
15
13
3
10
7
14
81
53
54
14
1
2
1
3
4
VIDEO BUFFER
IC701 (SUFFIX-21) IC701 (SUFFIX-22)
OPTICAL
TRANSMITTER
J701
J700
VIDEO OUT
S VIDEO OUT
CLOCK GENERATOR
IC102 (SUFFIX-21) IC102 (SUFFIX-22)
X102
27MHz
84
X101
16.5MHz
18
63
48
• SIGNAL PATH
ACH12, ACH34, ACH56,
BCK, LRCK
XLDON, XSDPIT, XSDPCS
XDRVMUTE
DVD SYSTEM
CONTROLLER
XLDON
XSDPIT
XSDPCS
XDRVMUTE
V
Y
C
INB
INC
INA
MUTE
OUTC1
OUTC2
OUTB1
OUTB2
OUTA1
OUTA2
33-1OUT
33-2OUT
27-1OUT
512-1OUT
XTO
XTI
FSEL
33MARP
33MAVD
27MAVD
512FSAVD
X1
X0
XLDON
INT2
CS5X
XDRVMUTE
48/44.1k
• R-CH : R-ch is omitted due to same as L-ch.
6
7
8
9
SDI0
SDI1
SDI2
BCKI
5
LRCKI
AUDIO
IN
INTERFACE
13
17
14
SI
SO
SCK
11
XCS
SERIAL
INTERFACE
DSP
MODLE
AUDIO
OUT
INTERFACE
37
SDO0
TEST
INTERFACE
48
XRST
ACH12
ACH34
ACH56
BCK
LRCK
BCK, LRCK
9
512-2OUT
LRCK
BCK
1
7
6
2
3
5
3
5
6
2
1
7
7
IIS-IN-SD
8
IIS-IN-BCK
9
IIS-IN-WS
DATA
INPUT/
OUTPUT
INTERFACE
CIRCUIT
IEC958
DECODER
19
IIS-EXT-SEL
20
SPDIFSEL
15
SPDIF0
AUDIO FEATURE
PROCESSOR
INTERPOLATOR
NOISE SHAPER
12
MUTE
D/A
CONVERTER
CIRCUIT
VOUT L
VOUT R
22
R-CH
D/A CONVERTER
26
25
27
51
SO0
SI0
SC0
XIFCS
RESET 1
1 DAC RESET
DATA SELECT
SWITCH
Q303
79 INPUT SEL
34 PLL-LOCK DET
33 SCLK
18
PLL LOCK
DETECT
Q306, 307
OPTICAL
DIGITAL OUT
83
20
76
MAMUTE
INT4
XFRST
36
35
37
19
XLT
DATA
CLK
SYSCS
56
54
60
SENS
LD ON
XFRST
SYSTEM CONTROLLER
AUDIO DIGITAL
SIGNAL PROCESSOR
IC801 (SUFFIX-21) IC801 (SUFFIX-22)
56
57
CKSW1
OCSW1
S1
DISC TRAY
OPEN/CLOSE
DETECT
29
28
38
80
SO1
SI1
SC1
VESCS/X39CS
33MARP, 33MAVD,
3
MCLK
32
1
2
TXD
RXD
(FOR TEST)
31
CN103
SO2
SI2
CLOSE
OPEN
6-3.
BLOCK DIAGRAM – DVD MAIN Section (2/2) –