Sony DAV-DZ720 / HCD-DZ720 Service Manual ▷ View online
29
29
HCD-DZ720
HCD-DZ720
6-2. BLOCK DIAGRAM – AMP SECTION –
• Signal Path
: AUDIO IN
: TUNER
: VIDEO
J401
AUDIO IN/
A. CAL MIC
IC401
AMP
+
–
6
5
7
+
–
3
2
1
Q470-473,476
MO/ST DETECT
IC402
AMP
+
–
5
6
7
GAIN CONT
A.CAL
DC CONT
MO/ST DET
PLUG DET1
Q474,475
GAIN CONT
MUTING
Q360-362
IC350
AUDIO INPUT SELECTOR
4 Y3
2 Y2
5 Y1
13
X
3
Y
A
A SEL1
A SEL0
10
B
9
11 X3
15 X2
L-CH
R-CH
14 X1
Q353
Q354
IC360
AMP
+
–
3
2
1
+
–
5
6
7
IC4601
A/D CONVERTER
1 LIN
LIN
12
DOUT
10
LRCK
2 RIN
RIN
11
BCK
15
SCKI
IC101 (2/3)
DVD SYSTEM PROCESSOR
220 SPDATA
ACLK
ABCK
ALRCK
IC501 (2/4)
SYSTEM CONTROL
82 A-SEL0
83 A-SEL1
69 TUNED
TUNED
70 ST_CLK
PLL CK
PLL DO
PLL CE
PLL DI
71 ST_DO
72 ST_CE
73 ST_DI
91 ACAL MIC LEVEL
26 MIC GAIN
28 DC CONT
90 MONO/ST DET
100 MIC/A CALSW
ACAL
GAIN CONT
MO/ST DET
PLUG DET1
79 V_SEL0
80 V_SEL1
V_SEL0
V_SEL1
J203(1/2)
AUDIO IN
TUNER
UNIT
TV/VCR
L-CH
R-CH
L
L
R
R
TUNED
PLL CK
PLL DO
PLL CE
PLL DI
A
AUDIO
SECTION
(Page 30)
VIDEO
SECTION
(Page 31)
B
VIDEO
SECTION
(Page 31)
D433
D470
DC CONT
29
30
I2C CLK
I2C CLK
I2C DATA
I2C DATA
3
4
CN502
SOFT JIG
VIDEO IN
F
VIDEO
SECTION
(Page 31)
30
30
HCD-DZ720
HCD-DZ720
6-3. BLOCK DIAGRAM – AUDIO SECTION –
: AUDIO
• Signal Path
IC3250
S-MASTER DIGITAL AMP
TB301
(+)
(–)
IC3030
S-MASTER PROCESSOR
31 DATA
36 XFSIIN
30 BCK
30 BCK
23 SCLATCH
27 INIT
18 NSPMUTE
27 INIT
18 NSPMUTE
SOFTMUTE
21 SCDT
29 LRCK
22 SCSHIFT
25 FLAGL OVF
24 OVF FLAGR
24 OVF FLAGR
LAT3
INIT
NSPMUTE
SCDT
OVF2
SHIFT
9
OUTL2
6
OUTR1
11
OUTL1
4
OUTR2
38
FS0I
Q3401,3402
DC
DETECT
WOOFER
24 FL DATA
21 FL CLK
25 FL CS/STB
21 FL CLK
25 FL CS/STB
VFL
(+)
(–)
Q3301,3302
DC
DETECT
CENTER
(+)
(–)
IC3010
S-MASTER PROCESSOR
IC501 (3/4)
SYSTEM CONTROLLER
IC802
FL DRIVER
31 DATA
36 XFSIIN
30 BCK
30 BCK
23 SCLATCH
27 INIT
18 NSPMUTE
27 INIT
18 NSPMUTE
21 SCDT
29 LRCK
22 SCSHIFT
9
OUTL2
6
OUTR1
11
OUTL1
4
OUTR2
38
FS0I
7
DIN
8
CLK
9
42
STB
30
F1
F2
F2
Q3101,3102
DC
DETECT
(+)
(–)
Q3151,3152
DC
DETECT
(+)
(–)
IC3020
S-MASTER PROCESSOR
31 DATA
20 PGMUTE
36 XFSIIN
30 BCK
30 BCK
23 SCLATCH
27 INIT
18
27 INIT
18
19
NSPMUTE
SOFTMUTE
SOFTMUTE
SCDT
29 LRCK
22
21
SCSHIFT
4
OUTR2
11
OUTL1
6
OUTR1
9
OUTL2
38
FS0I
48
XFS0IN
48
XFS0IN
48
XFS0IN
Q3201,3202
DC
DETECT
FRONT
R
SD
4
6 PWMBP
14
5
PWMAP
RESET
(+)
(–)
OUTA
OUTB
IC3200
S-MASTER DIGITAL AMP
SD
4
4
14 PWMB
6
5
PWMA
RESET
OUTA
OUTB
IC3150
S-MASTER DIGITAL AMP
SD
6 PWMA
14
5
PWMB
RESET
OUTB
OUTA
4
IC3100
S-MASTER DIGITAL AMP
SD
14 PWMB
6
5
PWMA
RESET
OUTB
OUTA
4
IC3300
S-MASTER DIGITAL AMP
SD
6 PWMA
14
5
PWMB
RESET
OUTA
OUTB
4
IC3400
S-MASTER DIGITAL AMP
IC3500
S-MASTER DIGITAL AMP
IC3001
COMPARATOR
SD
14
PWMA
6
5
PWMB
RESET
OUTB
25
28
OUTA
Q3251,3252
DC
DETECT
43
DRIVE OCP
FRONT
L
SUR R
SPEAKER
J402
SUR L
AMP_D3
WF
WF
C
C
MCK0
BCK0
LRCK0
LRCK0
LAT1
INIT
NSPMUTE
SOFTMUTE
INIT
SOFTMUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
SCDT
SHIFT
AMP_D1
MCK0
BCK0
LRCK0
LRCK0
LAT2
INIT
NSPMUTE
SCDT
SHIFT
AMP_D2
MCK0
BCK0
LRCK0
LRCK0
24 OVF FLAGR
FLAGL OVF
25
19 SOFTMUTE
19
20
FL801
FLUORESCENT
INDICATOR TUBE
Q3551
PROTECT DETECT
AMP_D1-D3
A
AMP
SECTION
(Page 29)
VIDEO
SECTION
(Page 31)
VIDEO
SECTION
(Page 31)
1
DAMP SCDT
2
DAMP SHIFT
SG1 – SG16
HPMUTE
PLUG_DET2
53
HP_MUTE
MST
52
HP_SW
47
DAMP LAT1
48
DAMP LAT2
49
DAMP LAT3
50
DAMP INIT
51
DAMP SOFT MUTE
42
DRIVE RST
RESET
DIAG
OVF
44
OVERFLOW1
OVF2
45
OVERFLOW2
14 – 29
GR2 – GR12
GR1
G1
41 – 31
74 KEY INT
4 SIRCS–IN
IC801
REMOTE CONTROL
RECEIVER
97,95,94
KEY0 – KEY2
KEY0
S801 – S813
(FUNCTION KEY)
10 ENA
S800
VOLUME
ENCODER
11 ENB
15
13
X501
5MHz
IC3003
SELECTER
Xin
Xout
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
Q802
FL DRIVER
+3.3V
FAN
FAN
DRIVE
Q3000-3002
+12V
SOFTMUTE
SOFTMUTE
FR
HP
HP
HP
HP
FR
FL
FL
SR
SR
SL
SL
VOLUME
25 FLAGL OVF
24 OVF FLAGR
24 OVF FLAGR
OVF
TB302
E3.3V
19
DIPCSFLAG
AMP_D0-D3
D3071-D3073
2
1
5
6
68
20 PGMUTE
41
HPOUTR1
43
HPOUTL2
39
HPOUTR2
45
HPOUTL1
PGMUTE
14
XFS0OUT
14
XFS0OUT
37
FSOCKOUT
IC3051
OSC
X4501
49.152MHz
30
25
28
30
30
25
28
30
30
25
28
30
30
25
28
30
30
4
SD
14 PWMB
6
5
PWMA
RESET
OUTB
OUTA
25
28
30
30
25
28
30
30
+
–
3
2
1
+
–
5
6
7
Q450,451
Q460,461
Q460,461
MUTE
Q3081
MUTE SW
HPMUTE
PLUG DET2
L
R
PHONES
27
C
AMP MCKO
AMP BCKO,AMP LRCKO
IC4502
AMP
A
Y
2
4
27
27
27
27
27
27
31
31
HCD-DZ720
HCD-DZ720
6-4. BLOCK DIAGRAM – VIDEO SECTION –
IC706
EEP ROM
SCL
SDA
WP
IC202
VIDEO SELECTOR
IN1
OUT
IN2
• Signal Path
: VIDEO
: Y
: COMPONENT VIDEO
: AUDIO
: CHROMA
IC101(2/3)
DVD SYSTEM PROCESSOR
196
YUV2
203
YUV6
WIDE
WIDE
200
YUV4
202
YUV5
IC103
EEPROM
6 5
SCL
SDA
198
YUV3
194
YUV1
XROMCS
XWR
XRD
IC102
32M 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-IOA21
A16, A17
IOA0-7, IOA18-IOA21
A16, A17
HD0 – HD7
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,A2 – A21
DQ15/A-1
77 79 66
DQ0 – DQ7
DRCLK
IC104
64M SDRAM
38
CLK
RD0 – RD15
RA0 – RA11
RA0 – RA11
RD0 – RD15
142
RCS
19
CS
138
RWE
16
WE
140
RAS
18
RAS
139
CAS
17
CAS
DQM0
15
LDQM
DQM1
39
UDQM
CKE
37
CLKE
102
SCL
103
SDA
143
BA0
20
BA0
BA1
21
BA1
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
XROMCS
XWR
XRD
12 CBIN
4
CVBSIN
10 CYIN
2
CIN
6
YIN
25 S1
14
20
21
23
26
16
18
CRIN
2
1
S VIDEO
(DVD ONLY)
J201
J203(2/2)
COMPONENT
VIDEO OUT
VIDEO
Y
PB/CB
PR/CR
MONITOR
OUT
CY
CB
CR
B
AMP
SECTION
(Page 29)
F
AMP
SECTION
(Page 29)
51
7
EEWP
WF
179
225
213
214
215
217
218
219
222
177
176
174
172
|
168
178
229
207
205
105
110
211
208
209
210
72
79
78
77
76
75
74
73
13
|
20
11
26
39
38
21
22
24
25
27
31
34
35
40
48
49
51
52
54
55
57
58
22
21
23
32
31
30
63
60
59
24
61
49
50
51
40
41
13
15
14
1
2
4
1
3
6
4
62
2Y 1A
2A
1Y
YUV0
YUV1
YUV2
YUV3-7
SPDIF
ALRCK
ABCK
ACLK
ASDATA1
ASDATA0
ASDATA2
ASDATA4
SMPTE_Y0
SMPTE_Y1
SMPTE_Y2
SMPTE_Y3
SMPTE_Y7
VCLK
XTAL1
SMBSY
VSYN
XRST
XSYSRST
XSMCS
SMSCK
SMSDI
SMSDO
6
5
5
7
6
2
4
1
2
5
6
1
3
4
6
7
9
10
12
19
15
16
Q701,702
BUFFER
IC701
HDMI DRIVER
SPDIF
ALRCK
ABCK
ACK
AD0
AD1
AD2
AD3
Y0
|
Y7
VCK
CLK
HSYNC
VSYNC
SSCK
SSD
PWDN
CLK
INT
TRAP2
TX2P
TX2N
TX1P
TX1N
TX0P
TX0N
TCKP
TCKN
HTPLG
MSD
MSCK
VSYNC
XRST
XSMCS
SCK
SDO
SDI
SCK
SDA
XPWDN
XTXRST
XTXINT
TRAP2
SCK
SDT
SIN
SCLO
SDAO
MOD
X701
10MHz
X0
XI
IC708
HDMI PROCESSOR
TO CHECK
1
2
4
IC705
AND GATE
D
RF SECTION
(Page 28)
ALRCK,ABCK,ACLK
AMPDO,AMPD2,AMPD3
AMP SECTION
(Page 29)
AUDIO SECTION
(Page 30)
AUDIO SECTION
(Page 30)
A
C
IC111
OSC
X101
27MHz
TX27M
S1701
NOM-DL
XRST
TXD
RXD
+3.3V
TMDS DATA2 +
TMDS DATA2 -
TMDS DATA1 +
TMDS DATA1 -
TMDS DATA0 +
TMDS DATA0 -
TMDS CLOCK +
TMDS CLOCK -
HPD
SCL
SDA
CN701
HDMI OUT
CN101
XEXRST
DLON
RXD
TXD
V SEL0
V SEL1
IC201
VIDEO AMP, 75
Ω DRIVE
YOUT
COUT
CVBSOUT
CbOUT
CYOUT
CrOUT
13
3
A
B
Y
IC150
RESET
XSMCS
SMSCK
SMSDI
SMSDO
32
32
HCD-DZ720
HCD-DZ720
6-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
IC503
RESET
D801,802
D804,805
D804,805
Q801
12
RESET
20
AC_CUT
40
P CONT2
41
P CONT3
IC501 (4/4)
SYSTEM CONTROLLER
+5V
Q503
39
P CONT1
IC941
+12V REG
IC931
VOLTAGE
DETECT
IC300
+9V REG
D943
D942
D944
D941
D922
D910
Q921
IC921
POWER
PROTECTION
T902
TRANSFORMER (SUB)
T901
TRANSFORMER(MAIN)
PC902
PHOTO
COUPLER
D931
D905
Q943,947
PC901
PC903
D901
E4V
E 4V
+3.3V
+31.5V
IC901
POWER
PROTECTION
AC IN
SW+3.3V,+3.3V
A+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC703
+3.3V REG
IC105
+3.3V REG
IC942
D+5V REG
IC943
+3.3V REG
IC951
VOLTAGE
DETECT
IC110
+1.8V REG
IC3050
+1.8V REG
+6V
SW+9V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
IC707
+5V REG
+5V
+9V
A12V
+1.8V
D502
D504
E3.3V
BMP3.3V
+1.8V
Q504
5V SW
IC502
+3.3V REG
+3.3V
SW +5V
RECT
OSC
D3.3V
IC107
+3.3V REG
RF+3.3V
IC702
+1.8V REG
+1.8V
IC504
+5VREG
E RF SECTION
(Page 28)
F901
POWER
Thermistor
LINE
FILTER
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