Sony CMT-WS2D / HCD-WS2D Service Manual ▷ View online
49
HCD-WS2D
IC703 TC7WH74FU (TE12R)
IC701 PCM1802DBR
– S-MASTER Board –
•
IC Block Diagrams
IC704 NJM2870F18 (TE12)
SINGLE-END/
DIFFERENTIAL
CONVERTER
5TH ORDER
DELTA-SIGMA
MODULATOR
VINL
1
SINGLE-END/
DIFFERENTIAL
CONVERTER
VINR
2
VREF1
3
VREF2
4
5TH ORDER
DELTA-SIGMA
MODULATOR
REFERENCE
x16 1/64
(x1/128)
DECIMATION
FILTER
WITH
DC CUT
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
DOUT
12
BCK
11
OSR
16
SCKI
15
VDD
14
DGND
13
CLOCK & TIMING CONTROL
PDWN
7
BYPAS
8
VCC
5
AGND
6
FSYNC
9
LRCK 10
POWER
SUPPLY
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
5
VIN
4
VOUT
2
GND
3
NOISE
BYPASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
50
HCD-WS2D
IC707, 708 CXD9774M
RESET 4
GND 1
GND 3
PWM BP 2
DREG RTN 5
GVDD 6
M3 7
M1 10
M2 11
DVDD 12
DREG 8
DGND 9
DGND 14
GND 16
GND 18
PWM
RECEIVER
TIMING
CONTROL
&
PROTECTION
SD 13
OTW 15
DIGITAL
REGULATOR
PROTECTION
LOGIC
OT
&
UVP
DVDD DREG
DREG
DGND
PWM AP 17
PWM
RECEIVER
DVDD DREG
DGND
DREG
GVDD
DREG
GATE
DRIVE
GVDD B
35
GVDD B
36
BST B
33
PVDD B
32
PVDD B
31
OUT B
30
OUT B
29
GND
28
GND
34
GATE
DRIVE
OCH
OCL
TIMING
CONTROL
&
PROTECTION
DREG
GATE
DRIVE
GVDD A
20
GVDD A
19
BST A
22
PVDD A
23
PVDD A
24
OUT A
25
OUT A
26
GND
27
GND
21
GATE
DRIVE
OCH
OCL
GVDD
GVDD
IC705 CXD9788AR
S
P
Sampling Rate
Converter
Converter
DF1
DF2
Gain
Control
Filter
&
LOW
CUT
Filter
Serial Control
Liner
Interpolator
∆ ∑ Converter
XVSS
PWM
INIT/MUTE
Clock Generator
Clock Generator
(Secondary Clock System)
1
VSUBC
2
VSSR
VSSL
VSSL
VSSR
3
OUTR2
OUTL2
OUTR1
OUTL1
4
VDDR
DVDD
DVSS
VDDL
5
6
7
8
XOVSS
XOVDD
9
XFSOOUT
10 11
NSPMUTE
12
SOFTMUTE
13
PGMUTE
SCSHIFT
14
SCDT
15
SCLA
TCH
OVF FLAGR
OVF FLAGL
16
SFLAG
INIT
17
MCKSEL
18
LRCK
19
BCK
20
D
ATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
21
42
43
41 40 39 38 37
XFSOIN
36
XVDD
35
HPVDDL
34
HPOUTL2
33
HPVSSL
32
31
HPVDDR
30
HPOUTR1
HPOUTL1
29
28
HPVSSR
27
26
25
HPOUTR2
24
FSOI
23
FSOCKO
22
44
45
46
47
48
(Primary Clock System)
51
HCD-WS2D
IC100 MM1623BFBE
– VIDEO Board –
1
VCC1
2
C IN
3
MUTE 1
4
CVBS IN
28 VCC2
23 CVBS OUT
25 S1
150k
Ω
BIAS
12
CB IN
150k
Ω
BIAS
CLAMP
6dB
6dB
6
Y IN
7
GND
8
BIAS
CLAMP
BIAS
6dB
9
I/P
10
CY IN
11
CLP
13
MUTE2
5
YC MIX
+
6dB
–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 Y OUT
22 GND2
6.75MHz
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
20 CY OUT
75
Ω
DRIVER
S-DC OUT
S1/S2
26 C OUT
LOW-PASS
FILTER
6.75MHz
75
Ω
DRIVER
CLAMP
150k
Ω
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CB OUT
19 GND2
17 GND2
15 GND2
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14
CR IN
150k
Ω
BIAS
16 CR OUT
75
Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
52
HCD-WS2D
• IC Pin Function Description
MAIN BOARD IC401 M30620MCP-A09FPU0 (SYSTEM CONTROLLER)
MAIN BOARD IC401 M30620MCP-A09FPU0 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
P _SM_DATA
O
Data converter (IC705) data output
2
P _SM_CLK
O
Datal converter (IC705) clock output
3
ML9208 RESET
O
FL driver (IC001) reset signal output
4
SIRCS
I
Sircs input
5
ML9208 DATA
O
FL driver (IC001) data output
6
ML9208 CS
O
FL driver (IC001) chip select output
7
ML9208 CLK
O
FL driver (IC001) clock output
8
BYTE
—
Ground terminal
9
CN VSS
I
Ground terminal
10
XC-IN
I
Crystal cock input
11
XC-OUT
O
Crystal clock output
12
RESET
I
System reset signal input
13
X-OUT
O
System clock output
14
VSS
—
Ground terminal
15
X-IN
I
System clock input
16
VCC
—
Power supply (+3.3V)
17
NMI
I
Not used
18
NO USE
—
Not used
19
P_DVD_I_MTKSDT_IN
I
SEN signal input from DVD RF (IC102)
20
AC_CUT
I
Detect AC-CUT (primary power off)
21
NO USE
—
Not used
22
NO USE
—
Not used
23
P_VIDEO_MUTE
O
Video mute signal output
24
NO USE
—
Not used
25
P_I_MREQ
I
MREQ signal input from DVD RF (IC102)
26
P_I_DVD_XIFCS
O
Chip select signal output to DVD RF(IC102)
27
P_I_KRMOB
I
Karaoke mode signal input from DVD RF (IC102)
28
P_O_DVD_BUSY
O
BUSY signal output to DVD RF (IC102)
29
IIC- CLK
I
IIC clock input (not used)
30
IIC- DATA
I
IIC data input (not used)
31
P_O_DVD_SO
O
SID data output to DVD RF (IC102)
32
P_O_DVD SI
I
SOD data input from DVD RF (IC102)
33
PI_DVD_SCK
I
Clock signal input from DVD RF (IC102)
34
P_ID_IO_SYSRTS
O
Reset signal output to DVD RF (IC102)
35
NO USE
—
Not used
36
NO USE
—
Not used
37
ST TUNED
I
Tuner pack tuned input
38
ST-DIN
I
Tuner data input
39
ST-CLK
O
Tuner clock
40
ST-DOUT
O
Tuner data output
41
ST-CE
O
Tuner chip enable output
42
P_RECOUT_MUTING
O
OCSW signal output
43
SURR
O
SURR signal output
44
NO USE
O
Not used
45
NO USE
—
Not used
46
NO USE
—
Flash Write CE (not used)
47
P_O_DVD_POWER
O
DVD power on control signal output
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