Sony HCD-WZ88D / MHC-WZ88D Service Manual ▷ View online
21
21
HCD-WZ88D
HCD-WZ88D
• Circuit Boards Location
MEMO
4CH-VOL board
FL board
MAIN board
DMB10 board
FUNCTION SW board
VIDEO board
MIC board
MS-203 board
VR board
REGULATOR board
22
22
HCD-WZ88D
HCD-WZ88D
5-1. BLOCK DIAGRAM – RF/SERVO SECTION –
: CD PLAY
: DVD PLAY
:SACD PLAY
• Signal Path
DETECTOR
6
2
3
4
5
11
10
19
18
252
253
DVDRFIP
DVDA
DVDB
DVDC
DVDD
TPI
TNI
MD
MC
MC
D
C
LD01
MD12
LD02
MSW
MD11
OSP
OSN
IC102 (1/3)
CD/DVD RF AMP,
FOCUS/TRACKING ERROR AMP
DVD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
OPTICAL PICK-UP
BLOCK
(KHM 310 CAA/C2NP)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
23
20
LI M SW
V20
176
29
22
21
36
48
43
37
1
Q102 (2/2)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q101, Q103
VOLUME CONTROL
Q102 (1/2)
AUTOMATIC POWER
CONTROL (FOR CD)
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
42
41
BUFFER
35
3
34
4
TRACKING COIL
DRIVE
32
31
38
42
37
41
30
47
TSD
IC201
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
27
28
SPINDLE MOTOR
DRIVE
LOADING MOTOR
DRIVER
M
M
M1
(SPINDLE)
M
M
M203
COADING MOTOR
S001
47
46
FMO
FOO
DND
TRO
V REFO
V REFO
SPFG
40 IOPMON
FOO
RF
A
B
C
D
F
E
CD LD
SW+3.3V
SW+3.3V
PD
VC
VR650
VR780
VCC
DVD LD
FCS+
FCS–
TRK+
+3.3V
TRK–
SP+
SP–
SL+
SL–
D
C
B
A
VREF0
VREF0
9 NB
B
8 NA
A
30
29
SLED MOTOR
DRIVE
M
M
M2
(SLED)
187
BUFFER
19
20
22
21
24
25
40
45
IC401 (1/3)
SYSTEM
CONTROLLER
99
IFCK
31
FED
32
TEO
26
RFLVL
37
VIDEO_MUTE
33
100
XIFCS
XIFCK
KRMOB
OPEN_SW
27
114
MREQ
35
110
PRST
VMUTE
VIDEO
SECTION
(Page 23)
28
V2REF0
106
RXD
107
TXD
V2REF0
RFMON
RXD
TXD
TXD
X101
27MH
Z
228
XTALO
229
XTALI
MTK_RESET
MTK_CLK
REQ
MTK_SOD
SID
SID
38
98
IFSDO
32
101
IFSDI
205
MIC/VSYNC
MIC_STATUS
26
105
246
IFBSY
207
KRMOD/HSYNC
IFBUSY
28
24
87
31
TRO
FMO
FOO
DMO
TRO
10
13
FMO
DMO
184 MUTE123
183 MUTE
181 TSDM
183 MUTE
181 TSDM
TROPENPWM
FWD
REV
REV
OCSW
CKSW
CKSW
OCSW
CKSW
CKSW
TROPENPWM
FWD
REV
REV
FE
RF
TE
PI
15
16
17
39
186
185
185
177
179
179
A
Q2001
VOLTAGE DETECT
3
1
4
5
4
1
for TEST
for TEST
RF +3.3V
SW +5.5V
+3.3V
+1.8V
IC107
+3.3V REG
IC105
+3.3V REG
IC106
+1.8V REG
23
23
HCD-WZ88D
HCD-WZ88D
– VIDEO SECTION –
• Signal Path
: VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
IC102(2/3)
DVD SYSTEM PROCESSOR
194
YUV1
203
YUV6
196
198
YUV2
Y
C
V
Y/G
Cb
Cr
YUV3
200
YUV4
202
YUV5
171
WODE
IC103
EEPROM
6 5
SCL
SDA
IC801
VIDEO AMP, 75
Ω DRIVER
J803
J802
J801
VMUTE
RF/SERVO
SECTION
(Page 22)
12 CBIN
10 CYIN
4 CVBSIN
18
3
CBOUT
MUTE1
14 CRIN
20
CYOUT
23
CVBSOUT
2 CIN
I/P
6
9
YIN
26
COUT
21
YOUT
16
CROUT
CBOUT
CYOUT
VOUT
CROUT
13
MUTE2
4
3
2
1
IC101
FLASH ROM
125-123, 121, 120, 118,
117, 115, 135, 133-128, 126
146, 147, 149-151,
158-160, 162, 164-166
22-26,
29-35
HIGHA0-7
IOA0-7, IOA18-IOA20
A16, A17
IOA0-7, IOA18-IOA20
A16, A17
AD0 – AD7
A1-A21
DATA & ADDRESS BUS
DATA & ADDRESS BUS
81-84,86-88,91
53-61, 67-72, 74-76,
78, 89, 92, 93
HD0 – HD7
A0 – A21
HD0 – HD7
A0
26
45
CE
WE
28
OE
11
A0 – A19
DQ15/A-1
77
IOCS
IOWR
79
IOUE
66
DQ0 – DQ7
RCLK
XROMCS
XWR
XRD
XROMCS
XWR
XRD
SCL
SDA
IC104
SDRAM
38
DRCLK
RD0 – RD15
RA0 – RA11
RA0 – RA11
RD0 – RD15
142
RCS
19
RCS
138
RWE
16
RWE
140
MRAS
18
RAS
139
CAS
17
CAS
MDQM0
15
DQM0
MDQM1
39
DQM1
CKE
37
DRCKE
102
SCL
103
SDA
143
BA0
20
BS0
BA1
21
BS1
COMPONENT
VIDEO OUT
S VIDEO OUT
VIDEO OUT
Y
P
B /
C
B
P
R /
C
R
29,31,33,35,38,40,42,44
25-16,10-1, 48
145
156
113 137 157
2,4,5,7,8,10,11,13,42,44,45,47,48,50,51,53
Q800
WIDE SWITCH
AUDIO
SECTION
(Page 24)
A
B
24
24
HCD-WZ88D
HCD-WZ88D
– AUDIO SECTION –
• Signal Path
: AUDIO
• R-ch is omitted due
to same as L-ch.
ANALOG-IN-L
BCK
LRCK
SDTI1
SDTI2
SDTI3
SDTI2
SDTI3
14
15
16
16
17 LRCK
9 BICK
VOL-IC-DATA
VOL-IC-CLK
IC301
D/A CONVERTER
IC3711(1/2)
IC3711(2/2)
IC102(3/3)
DSP
IC301
SOUND PROCESSOR
IC401 (2/3)
SYSTEM CONTROL
2
LOUT1+
1
LOUT1-
41 FL-IN
34 MDI
35 MC
35 MC
SCL
SDA
FL
FL
FR
SL
REAR-L
REAR-R
CENTER
SR
DVD MUTE
DVD MUTE
C
SW
IC3601
A/D CONVERTER
50 49
SW MUTE
48
12 DOUT
11 BCK
10 LRCK
10 LRCK
1
LIN
2
RIN
DATA0
DATA2
DATA1
LRCK
BCK
XCK
10 MCLK
XRST
8 PDN
XCK
15 SCKI
ADC_DATA
17 18
DATA
CLK
MAIN
SECTION
(Page 25)
L
MAIN
SECTION
(Page 25)
M
VIDEO
SECTION
(Page 23)
B
48
ROUT1+
47
ROUT1-
FR
IC3731(1/2)
46
LOUT2+
45
LOUT2-
SL
IC3731(2/2)
44
ROUT2+
43
ROUT2-
SR
IC3751(1/2)
42
LOUT3+
41
LOUT3-
C
IC3751(2/2)
40
ROUT3+
39
ROUT3-
SW
IC3771(1/2)
38
LOUT4+
37
LOUT4-
DM_L
IC3771(2/2)
33
ROUT4+
32
ROUT4-
DM_R
R-CH
2 FR-IN
6 SL-IN
10 SR-IN
13 C-IN
14
34
32
29
26
25
22
LFE-IN
FL-OUT
FR-OUT
SL-OUT
SR-OUT
C-OUT
SW-OUT
37 DM-L
40 DM-R
DVD MUTE
DVD MUTE
DOWNMIX-L
DOWNMIX-R
VRSWIN
38
39
L-OUT
R-OUT
3
15
SURROUND-IN-L
SW-IN
7
SURROUND-IN-R
SURROUND-IN-L
SURROUND-IN-R
MAIN
SECTION
(Page 25)
N
MAIN
SECTION
(Page 25)
P
MAIN
SECTION
(Page 25)
O
DVD-A-MUTE
21
Q304
MUTE
Q305
MUTE
Q307
MUTE
Q308
MUTE
Q306
MUTE
Q309
MUTE
Q302
MUTE
Q303
MUTE
Q276,277
MUTE
CONTROL
Q274,275
MUTE
CONTROL
Q301
MUTE
ASDATA0
ASDAT1
DATA0
DATA1
DATA2
XCK
BCK
LRCK
ASDATA2
ALCK
ABCK
ALRCK
ADC_DATA
J302
SUB WOOFER OUT
DXA-WZ88D (1/3)
213
217
218
219
214
215
XRST
XRST
220
SPDATA/SMSDI 209
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