Sony HCD-WZ8D / MHC-WZ8D Service Manual ▷ View online
25
25
HCD-WZ8D
4–1. Block Diagrams – RF Servo Section –
• SIGNAL PATH
: CD
: DVD
: VIDEO
: AUDIO
DETECTOR
1
63
3
4
5
6
9
10
11
12
14
15
16
13
18
17
62
61
53
52
54
55
59
60
DVDRFP
RFSIN
A2
B2
C2
D2
CD E
CD F
A
B
C
D
C
D
B
A
D
D
C
B
A
D
D
C
CD A
CD B
CD C
CD C
CD D
CDLD
CDPD
DVDLD
V125
DVDPD
ATOP
ATON
FNP
FNN
AIP
AIN
DIP
DIN
57
27
40
39
47
46
48
IC001
CD/DVD/SACD RF AMP,
FOCUS/TRACKING ERROR AMP
OPTICAL PICK-UP
BLOCK
(DBU-1)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
22
24
21
23
36
48
37
1
Q001
AUTOMATIC POWER
CONTROL (FOR DVD)
Q002
AUTOMATIC POWER
CONTROL (FOR CD)
Q901
LASER DIODE
SELECT
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
34
3
35
4
TRACKING COIL
DRIVE
32
31
33
34
20
22
19
8
40
41
39
43
31
32
29
30
SLED MOTOR
DRIVE
IC501
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
27
28
SPINDLE MOTOR
DRIVE
M
M
M1
(SPINDLE)
19
47
46
45
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
SLED_A
SLED_B
SLED
26
SE
TE
FE
RFDC
IC509
CD DECODER,
DIGITAL SERVO PROCESSOR
MIRR
FF
FR
FOK
COUT
SCLK
RF
A
B
C
D
F
E
CD LD
PD
DVD LD
FCS+
FCS–
TRK+
TRK–
SW
INLIM
D
C
B
A
RFAC
MIRR
DATA_RF
CLK_RF
SDEN
TE
FE
PI
TE
FE
PI
PI
FE
TE
SDATA
SCLK
SDEN
LDON
FCS_JMP_2
FCS_JMP_1
50 RFAC
30
29
SLED MOTOR
DRIVE
M
M
M2
(SLED)
40
42
36
42
MNTR
BUFFER
MUTE12
20
MUTE34
21
MUTE5
22
TSD-M
13
7
10
43
FG
62
MUTE_2D
60
SP_ON
63
TSD-M
73
39
POWER SAVE
A8
97
BUFFER
IC901 (1/2)
MECHANISM
CONTROLLER
61
7
LD_ON
28
INLIM
LDSEL
76
31
SDEN
2
FE
67
PI
66
COUT_CD
30
SDA
5
SCL
6
WP
7
15
SCOR
66
PCMD
64
DOUT
CD_DOUT
67
BCK
65
LRCK
14
C2PO
17
WDCK
10
WFCK
80
EXCK
79
SBSO
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
27M
SBSO
25
MDP
SCOR
SCOR
26
24
LOCK
LOCK_CD
75
13
GFS
GFS_CD
71
3
MUTE
MUTE_CD
59
7
SENS
SENS_CD
9
76
SQSO
SQSO
52
SCLK_CD
72
4
DATA
DATA_CD
49
63
MD2
71
XTAI
DOCTRL/
ISBTEST
ISBTEST
3
77
SQCK
85
XRD
XRD
17
58
GFS_DVD
GFS
107
45
109
SCK_DSD
APE0
64
JIT
84
XWR
XWR
18
12
XCS_DVD
XCS
19
25
XRST_1882
XRST
164
22
INIT0_DVD
XINT0
20
23
INIT1_DVD
XINT1
21
SQCK
54
2
XRST
XDRST
98
6
CLOK
CLOK_CD
50
5
XLAT
LAT_CD
27
FOK_CD
74
MIRR
29
TE
65
SDCLK_RF
82
SDATA_RF
83
44
38
42
VC
CE
26 SSTP
AVC
(1.65V)
MIRR
MIRR
DATA_RF
CLK_RF
SDEN
TE
FE
PI
26
HDB8
48
XHWR
46
HDRQ
53
XHAC
92
MNT1
17 WE
76
XMWR
33 OE
94
XMOE
18 RAS
78
XRAS
34 UCAS
95
XCAS
117 RFIN
AEP, UK, RU, AUS
135 SPO
137 MDIN2
170 XTL1
169 XTL2
167 XTAL
IC701
DVD DECODER
IC706
16Mbit
D-RAM
160 MDAT
158 BCLK
163 LRCK
155 C2PO
146 GSCOR
163 LRCK
155 C2PO
146 GSCOR
HDB0 – HDB7
MDB0 – MDB9,
MDBA – MDBF
I/O0 – I/O15
A0 – A9
151 WFCK
147 EXCK
148 SBIN
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
SCOR
SBSO
150 SCOR
IC703 (2/2)
BUFFER
IC703 (1/2)
COMPARATOR
IC906
CLOCK
GENERATOR
66-69, 71, 73-75, 96, 97,
99, 101, 102, 104-106
2-5, 7-10,
41-44, 46-49
44, 41, 39, 35,
32, 30, 27, 24
21-24,
27-32
MA0 – MA9
79, 80, 82-87,
89, 91
35 LCAS
TF
8
TR
FF
FR
FF
FR
TF
TR
7
8
XTI
XTO
D0 – D7
D0 – D7
10
SO2
13
3
SO3
MO1
X902
27MHz
14-21
172-176, 1, 2, 4
A0 – A7
A0 – A7
89-96
5, 7, 9-14
VIDEO
SECTION
VIDEO
SECTION
VIDEO
SECTION
VIDEO
SECTION
SD0 – SD7
B
VIDEO
SECTION
A
XSRQ-ZIVA
E
D
27M
XDCK, XSAK, SDEF
XDCK
XSAK
SDEF
C
5
SDA_EEP
99
SCL_EEP 100
WP_EEP
6
MNT1
IC903
EEPROM
IC503
AMP
8
Ver 1.2
26
26
HCD-WZ8D
– Video Section –
• SIGNAL PATH
: VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
: AUDIO
IC207
DVD SYSTEM PROCESSOR
OPTICAL
OUT
183 SDCLK
179 SDEN
182 SDERROR
192 INT/EXT
151 DATA1(FLR)
152 DATA2(SLR)
153 DATA3(CSW)
147 XCK
148 LRCK
157 DAI_DATA
149 BCK
150 DATA0(DM)
SDEF#
XDCK#
XDCK#
XSAK#
178 SDREQ
XSRQ_ZIVA
SDDATA0 – SDDATA7
177-174, 171-168
SD0
8
AV0
AV1
AV2
AV3
AV4
AV5
AV6
AV7
SD1
SD2
SD3
SD4
SD5
SD6
SD7
ADC_DATA
BCK
LRCK
BCK-ZIVA
DATA1
DATA2
DATA3
DATA3
LRCK-ZIVA
XCK
XSAK
SDEF
XDCK
B
RF SERVO
SECTION
A
RF SERVO
SECTION
RF SERVO
SECTION
C
E
139 XIN
27M
D
202 RESET
110 MREQ
SYS RESET, MUTE REQ
SYS RESET
H
I2CDATA, I2CCLK
J
MAIN
SECTION
AUDIO
SECTION
AUDIO
SECTION
RE SERVO
SECTION
RE SERVO
SECTION
144 MC
143 MDI
145 ML
MC
MDI
ML
MDI, MC, ML
I
AUDIO
SECTION
AUDIO
SECTION
G
I2CCLK
I2CDATA
190
107
IC204
EEPROM
IC901 (2/2)
MECHANISM CONTROLLER
Q202
5 DI
6 DO
1 8
R/B
WC
3
CS
4 SK
IC904
FLIP-FLOP
IC902
SWITCHING
CE
WE
OE
56 29
1LE
2LE
ALE
VS
109
CDSEL
IC216
BUS INTERFACE
IC206
PROGRAMMABLE ROM
1D1 – 1D10, 2D1 – 2D6
55, 54, 52, 51,
49-47, 45-40, 38-36
57-60, 64-71, 75-78,
81-84, 88-95, 99-102
25-27,
60-66,24,21
2,4,5,7,8,10,11,13,74,76,77,79,80,82,83,85,31,
33,34,36,37,39,40,42,45,47,48,50,51,53,54,56
1Q1 – 1Q10, 2Q1 – 2Q9
HA1 – HA3
HAD0 – HAD15
2, 3, 5, 6, 8-10, 12-17,
19-21, 23, 24, 26
22-18, 9-1, 48,
17, 16, 9, 10, 13
29,31,33,35,38,40,42,44,
30,32,34,36,39,41,43,45
ADDRESS BUS
DATA & ADDRESS BUS
DATA & ADDRESS BUS
22, 19-14, 11-3
2, 207, 206
2D7 – 2D9
HAD0 – HAD15
HA1 – HA3
HAD0 – HAD15
HA1 – HA3
HAD0 – HAD15
HA1 –
HA3
HA4 –HA22
34, 33, 31
26
CE
WE
28
OE
11
A3 – A21
195
HCS0
WEN.UDS
27
HREAD
25
A0 – A2
25-23
DQ0 – DQ15
56
MCLK
CE
WE
OE
IC203
128Mbit SD-RAM
68
CLK
67
CKE
DQ0 – DQ31
A0 – A11
MA0 – MA11
MD0 – MD31
42-33, 45, 46
49
MCS0
20
CS
53
MWE
17
WE
51
MRAS
19
RAS
52
MCAS
18
CAS
62
MDQM0
16
DQM0
73
MDQM1
71
DQM1
86
MDQM2
28
DQM2
97
MDQM3
59
DQM3
161
I2C_DA
78
I2C_SIO
160
I2C_CL
79
I2C_SCL
186
DRVTX
34
SO_ZIVA
187
DRVRX
33
SI_ZIVA
185
DRVCLK
35
SCK_ZIVA
184
HIRQ1
188
DRVRDY
36
DRVIRQ
37
DRVRDY
32
CS_ZIVA
191
RST_SPC
38
RST
116
HIRQ2
165
162
CS_(ZIVA_E2P)
48
BA0
22
BS0
47
BA1
23
BS1
XTAL
EXTAL
41
40
X901
20MHz
MUTE REQ
Q904
SWITCH
Q903
SWITCH
F
DATA0
IC256
D-FF
IC258
D-FF
IC259
D-FF
IC255
125
VDAC_2
131
VDAC_0
119
VDAC_4
156
ICE958
CD_DOUT
122
VDAC_3
IC801
VIDEO AMP, 75
Ω
DRIVER
J803
14 CB IN
12 CY IN
6 Y IN
4 V IN
V
128
VDAC_1
2 C IN
C
Y/G
CB/R
CR/B
22
3
CB OUTB
21
CB OUTA
MUTE1
16 CR IN
25
CY OUTB
24
CY OUTA
31
V OUTB
33
C OUT
30
V OUTA
19
CR OUTB
18
CR OUTA
CBOUT
CYOUT
Y
C
VOUT
CROUT
V-MUTE1
V-MUTE2
15
MUTE2
COMPONENT
VIDEO OUT
DVD DIGITAL
OUT OPTICAL
J802
VIDEO OUT
Y
PB/CB
PR/CR
V-MUTE1, V-MUTE2
K
AUDIO
SECTION
2
5
6
1
IC252
IC201
Q801,802
WIDE SWITCH
J801
AEP, UK,RU, AUS
1
2
3
4
S VIDEO OUT
28
Y OUTB
27
Y OUTA
3
4
7
27
27
HCD-WZ8D
– Audio Section –
• SIGNAL PATH
: AUDIO
: TUNER
•
R-ch is omitted due
to same as L-ch.
K
V-MUTE1, V-MUTE2
VIDEO
SECTION
ADC_DATA
ANALOG-IN-L
BCK
LRCK
31 DATA4
45 DATA1
46 DATA2
47 DATA3
41 LRCK
40 BCK
45 DATA1
46 DATA2
47 DATA3
41 LRCK
40 BCK
VR-DATA
VR-CLK
IC302
D/A CONVERTER
IC601
DSP
IC301
SOUND PROCESSOR
IC401 (1/2)
SYSTEM CONTROL
14
VOUT1
41 FL-IN
13
VOUT2
12
VOUT3
11
VOUT4
34 MDI
35 MC
36 ML
35 MC
36 ML
MDI
MC
ML
10
VOUT5
9
VOUT6
FL
FR
SL
SR
C
SW
FL
FR
SL
REAR-L
REAR-R
CENTER
SR
DVD MUTE
DVD MUTE
C
SW
IC352
A/D CONVERTER
50 49
SW MUTE
48
23
27
26
22
7
5
21
DSP ERROR
25
DSP ACK
24
DSP DOUT
6
IF-DVD-RESET
MUTE REQ
SYS RESET
MUTE REQ
38 35
15
DOUT
14
BCK
13
LRCK
1 VINL
5 VINR
R-CH
DATA1 (FLR-B)
DATA0 (DMX-B)
DATA3 (CSW-B)
DATA2 (SLR-B)
LRCK-ZIVA (LRCK-B)
BCK-ZIVA (BCK-B)
XCK (MCK-B)
38 SCKI
XCK
16
SYSCLK
36
37
V-MUTE2
IF-VIDEO-MUTE2
V-MUTE1
IF-VIDEO-MUTE1
17 18
DATA
CLK
VIDEO
SECTION
F
VIDEO
SECTION
H
MAIN
SECTION
M
VIDEO
SECTION
I
VIDEO
SECTION
G
39 SDI4
27 SDI1
28 SDI2
35 SDI3
29 LRCKI1
38 BCKI1
27 SDI1
28 SDI2
35 SDI3
29 LRCKI1
38 BCKI1
DATA1
DATA0
7
DATA3
DATA2
LRCK-ZIVA
BCK-ZIVA
XCK
62 KSIO
VIDEO
SECTION
G
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
16
VOUT7
20
VOUT8
DM_L
DM_R
37 DM-L
40 DM-R
DVD MUTE
DVD MUTE
DOWNMIX-L
DOWNMIX-R
VRSWIN
38
39
L-OUT
R-OUT
3
15
SOURROUND-IN-L
SW-IN
7
SOURROUND-IN-R
SOURROUND-IN-L
SOURROUND-IN-R
MAIN
SECTION
N
MAIN
SECTION
P
MAIN
SECTION
O
MAIN
SECTION
L
A-MUTE
33
SYS RESET, MUTE REQ
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
DIN
CLK
CLK
75 HCLK
74 HDIN
IC602
S-RAM
44
CS0
6 CS
45
WE0
HDOUT
HACN
GP3
DOUT
ACK
ERROR
DOUT
ACK
ERROR
17 WE
D0 – D15
D26-D24,D27-D31,
D23-D21,D16,D20-D17
A4,A12-A15,A10,A9,
A11,A8.A7,A5,A6,A0-A3
7-10, 13-16,
29-32, 35-38
43,44,51,32,31,22-20,
52,53,56,79,57,58,67,68
105,50,42,41,34,69,70,59,77,
78,95,86,122,114,113,106
A0 – A15
5-1, 44-42,
27-24, 21-18
60
SDO1
61
SDO2
26
SDO4
DMX-B
FLR-B
SLR-B
CSW-B
MCK-B
BCK-B
LRCK-B
25
SDO3
10
SCKOUT
64
BCKO
63
LRCKO
XRST
8
XRST
HCE
EXLOCK
EXLOCK
136 EXLOCK
76 HCS
82
120
82
PM
140 PM
BST
DSP DIN
DSP CLK
DSP XRST
DSP HCE
DSP EXLOCK
DSP PM
DSP BST
DIN
CLK
XRST
HCE
EXLOCK
PM
BST
141 BST
139
144
X601
12.288MHz
MCLK2
MCLK1
AEP, UK, RU, E2
EXCEPT AEP, UK, RU, E2
J302
SUB WOOFER OUT
DXA-WZ8D (1/3)
7
28
28
HCD-WZ8D
– Main Section –
: PB (TAPE)
: REC (TAPE)
: AUDIO
: TUNER
• Signal Path
• R-CH is omitted due to same as L-CH
: MD
g
I/
i
L
R
MD(VIDEO)
IN
TUNER UNIT
L OUT
R OUT
R-CH
ST D OUT
ST DIN
ST CLK
ST CE
TUNED
R-CH
AEP,UK
EXCEPT AEP, UK, RU
EXCEPT E2
EXCEPT E2
EXCEPT AEP,UK,RU,E2,MX
+9V
ST A+9V
RDS INT
RDS DATA
STEREO
ST MUTE
J101(1/2)
MIC LEVEL
RV702
DXA-WZ8D(2/3)
PB-L
INC2
38
IND2
37
MIC
2
SOUND PROCESSOR
IC101
HEADPHONE AMP
IC103
J603
R-CH
VRSWIN
R-CH
SOUROUND-IN-L
SYSTEM CONTROL
IC401(2/2)
VOLUME
ENCODER
X401
32.768kHz
LCD201
15 X-IN
13
4 DIRECTION
SWITCH
S611-623
REMOTE
CONTROL
RECEIVER
IC601
S637
D602-606
10 XC-IN
11
X402
16MHz
X-OUT
XC-OUT
INA2
40
25
OUT2
DBFB
Q101
S601
68
REC B2
35
27
BB A2
INB2
39
ST-DOUT
45
ST-DIN
46
ST-CLK
47
TUNED
43
STEREO
42
ST-CE
44
77
HP/REC OUT MUTE
12
RESET
67
VOL A
VOL B
71
DISPLAY KEY
75
72
70
69
4
SIRCS
RESET
1
3
IC251
RESET
SWITCH
Q293
20
AC-CUT
MIC-CHECK
1
76
LED STANDBY
D601
PB-R
R-CH
MUTE
Q501
MUTE
CONT
CONT
Q521,523
REC-L
REC-R
R-CH
MUTE
Q502
MUTE
CONT
CONT
Q522,524
TA MUTE
AMS
Q583-585
IC581
3
5
2
IC501
REC
AMP
Q520
ST-MUTE
41
RDS DATA
40
RDS INT
18
55
ALC
56
TC LINE-MUTE
57 TC REC-MUTE
54 AMS-IN
66 TA MUTE
SUR2
F-L
R-CH
41
VACS
Q191
97
VACS IN
SA OUT
19
52
VOL-DATA
DATA
21
51
VOL-CLK
CLOCK
22
63
HEADPHONE IN
MUTE
Q171
MUTE
CONT
CONT
Q272,273
26
BB B2
36
REC A2
L
R
MD(VIDEO)
OUT
R-CH
J101(2/2)
MUTE
Q270
3
1
24
SW OUT
R CH
DXA-WZ8D(3/3)
FRONT-R
DBFB FB
IO EXP DATA OUT
IO EXP DATA IN
IO EXP CLK
IO EXP LAT
A SHUT
B SHUT
A TRG
B TRG
STK MUTE
CN CHECK
EVER +4V
EVER +4V
59
IO-EXP DATA IN
58
IO-EXP DATA OUT
61
IO EXP CLK
60
IO EXP LAT
89
A SHUT
65
STK MUTE
53
CN CHECK
90
B SHUT
91
A TRG
92
B TRG
81
LCD-DATA
82
LCD-CLK
83
LCD-ENB
84
LCD-RS
100
LCD RESET
FUNCTION
KEY
S631-636
S638-640
S638-640
95
AD KEY1
FUNCTION
KEY
94
AD KEY2
74
POWER KEY
S603
73
S602
DISPLAY
(STANDBY)
VOLUME
PUSH ENTER
LED
DRIVE
Q602-606
LED MD(VIDEO)
LED TAPE A/B
LED CD(DVD)
LED TUNER/BAND
LED AROUND PLAY
LED
DRIVE
Q601
D608-613
(BACK LIGHT)
LED
DRIVE
Q608,609,611
78
BACK-LIGHT3
79
BACK-LIGHT2
80
BACK-LIGHT1
D402
µ
COM
+VCC
4
7
IC202
MOTOR
DRIVE
85 LOAD-OUT
2
9
86 LOAD-IN
M
LOADING
MOTOR
87 OPEN-SW
OPEN
88 CLOSE-SW
CLOSE
29 IIC CLK
30 IIC DATA
D+3.3V
I2CDATA
I2CDATA, I2CCLK
I2CCLK
CN401
JIG
30
IF-DVD-POWER
+9V
REG
1
3
IC901
AU+9V
AUDIO_5V
ST A+9V
Q901
HP AMP
+9 V
REG
1
3
IC902
+5 V
REG
1
3
IC905
AUDIO_D3.3V
+3.3 V
REG
1
3
IC392
AUDIO_D2.5V
(DSP)
+2.5 V
REG
1
3
IC393
PB SW
Q581,582
30
39
µ
COM
D+3.3V
D294
D295
D403
D911-D913
LED +9V
D +3.3V
M +12V
DVD +3.3V
M +7V
UNREG
SWITCH
B+
DVD PWR
CONTROL
CONTROL
Q902
DVD PWR
CONTROL
CONTROL
Q903,904
RIPPLE
FILTER
Q182
A+4.5V
RIPPLE
FILTER
Q161
D+4V
+3.3V
REG
1
2
5
5
4
IC903
D901
+5V
REG
1
2
IC913
+5V
REG
1
3
IC906
+12V
REG
1
2
IC904
DVD AC
DVD AC
AMP +9V
M +9V
FRONT-L
MIC AMP
IC702(1/2)
3
1
MIC AMP
MUTE
DOWNMIX-L
ANALOG-IN-L
Q401
IC702(2/2)
6
7
ECHO
AMP
9
2
IC701
+
h
1
J701
h
2
J702
ECHO LEVEL
RV701
D +5V
+3.3V
REG
1
3
IC907
A3V-2
(ZIVA)
V +5V
+1.8V
REG
1
3
IC211
+1.8V
(FAN)
FAN
CONTROL
Q907 - 910
AUDIO
SECTION
P
29
TOUT
AUDIO
SECTION
O
AUDIO
SECTION
M
AUDIO
SECTION
N
AUDIO
SECTION
L
R-CH
R-CH
VIDEO
SECTION
J
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