Sony DHC-AZ77DBT / HCD-AZ77DBT Service Manual ▷ View online
HCD-AZ77DBT
HCD-AZ77DBT
33
33
7-4. BLOCK DIAGRAM - AMP Section -
K
FL, SL, FC, SW
R-ch
FL
2
9
AINL
1 AINR
SDTO
12
SCLK
LRCK
PDN
13
A/D CONVERTER
IC11
10
SL
11 MCLK
2
9
AINL
1 AINR
SDTO
12
SCLK
LRCK
PDN
13
A/D CONVERTER
IC12
10
11 MCLK
FC
SW
2
9
LIN
1 RIN
SDTO
12
SCLK
LRCK
PDN
13
A/D CONVERTER
IC13
10
11 SCKI
CLOCK
BUFFER
IC3
X1
12.288MHz
/SD
DIGITAL POWER AMP
IC530
PWM_A OUT_A
OUT_B
STREAM PROCESSOR
IC500
31 DATA
OVER LOAD
DETECT
Q850, 851
SYSTEM CONTROLLER
IC401 (4/5)
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SCDT
SCK
22 SCSHIFT
SCSHIFT
23 SCLATCH
SCLATCH_1
27 INIT
INIT
18 NSPMUTE
19 SOFTMUTE
19 SOFTMUTE
NSP MUTE
SOFTMUTE
SOFTMUTE
X800
49.152MHz
SCK
L.P.F.
L.P.F.
OUTL1 11
8
PWM_B
16
6
RESET
7
OUTL2 9
OUTR1 6
OUTR2 4
XFSOIN 48
FSOCKO 37
XFSOOUT 14
FSOI 38
STREAM PROCESSOR
IC600
31 DATA
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SCDT
SCK
22 SCSHIFT
SCSHIFT
23 SCLATCH
SCLATCH_2
27 INIT
INIT
18 NSPMUTE
19 SOFTMUTE
19 SOFTMUTE
NSP MUTE
SOFTMUTE
SOFTMUTE
OUTL1 11
OUTL2 9
OUTR1 6
OUTR2 4
XFSOIN 48
XFSOOUT 14
FSOI 38
STREAM PROCESSOR
IC700
31 DATA
30 BCK
29 LRCK
36 XFSIIN
21 SCDT
21 SCDT
SCDT
SCK
22 SCSHIFT
SCSHIFT
23 SCLATCH
SCLATCH_3
27 INIT
INIT
18 NSPMUTE
19 SOFTMUTE
19 SOFTMUTE
SCDT
SCSHIFT
SCLATCH_1
INIT
NSP MUTE
SOFTMUTE
SOFTMUTE
OUTL1 11
OUTL2 9
HPOUTR1 41
HPOUTR2 39
XFSOIN 48
FSOI 38
CLOCK
BUFFER
IC800
L
+
–
+
–
–
TB502
SPEAKER
OVER LOAD
DETECT
Q860, 861
/SD
DIGITAL POWER AMP
IC630
PWM_A
OUT_A
OUT_B
L.P.F.
L.P.F.
4
33
30
PWM_B
6
3
RESET_AB
5
RESET_CD
15
+
–
+
–
–
+
–
/SD
DIGITAL POWER AMP
IC730
PWM_A OUT_A
OUT_B
OVER LOAD
DETECT
Q870, 871
L.P.F.
L.P.F.
6
PWM_B
14
13
/RST
4
CENTER
+
–
–
FAN MOTOR
SWITCH
Q783
M701
(FAN)
M
PROTECT
DETECT
Q840
P_ADC_RESET 51
P_SM_DATA 1
P_SM_CLK 2
P_SM_CS1 58
P_SM_CS1 58
P_SM_CS3 60
P_SM_CS2 59
P_SM_INIT 52
NSP MUTE
SOFTMUTE
P_SM_NSP_MUTING 53
P_SM_SOFT_MUTING 57
18
P_SW_SD
FAN DRIVE 50
P_SM_DRV_RST 56
: AUDIO
• SIGNAL PATH
+
FEED BACK
J
D820
FAN MOTOR
DRIVE
Q784
D782
FAN MOTOR
CONTROL
Q781, 782
FAN M+12V
R-ch
CLOCK
SHIFT
IC803
SCLATCH_2
SCLATCH_3
SCLATCH_3
R-CH
R-CH
R-CH
R-CH
34 – 36
31 – 33
28 – 30
25 – 27
D785
SUBWOOFER
OUT
J893
SUBWOOFER
AMP
IC812
MUTING
Q893, 894
MUTING CONTROL SWITCH
Q30
P_LINE_MUTING 66
MUTING
CONTROL
SWITCH
Q30
MUTING
Q1450, 1451
R-CH
D71
HP_MUTING 61
HPOUTL1 45
HPOUTL2 43
HPOUTR1 41
HPOUTR2 39
R-CH
P_HEADPHONE IN 63
HEADPHONE AMP
IC880
J1401
PHONES
R-CH
• R-ch is omitted due to same as L-ch.
FRONT
R
L
SURROUND
R
P_SM_CD_DET 55
/SD
M
BT-MUTE
Q
(Page 32)
(Page 34)
(Page 32)
(Page 31)
HCD-AZ77DBT
HCD-AZ77DBT
34
34
7-5. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
RESET SIGNAL
GENARATOR
IC391
RESET
SWITCH
Q391
BACK LIGHT 24
D001 – 004,
D006, 007
D009 – 012
SIRCS
REMOTE CONTROL
RECEIVER
IC401
4
15
X402
5MHz
X-IN
13
X-OUT
10
X401
32.768kHz
XC-IN
11
XC-OUT
CDM+9V
VP B–
M+9V
A+9V
A+5V
D+3.3V
(FOR AMP SECTION)
FAN M+12V
20
AC-CUT
49
STBY RELAY
86
TC-POWER
88
P_DVD_3.3V_MNT
47
BT POWER/
DMP POWER
12
RESET
EVER+3.3V
D394
D401
μ-COM+3.3V
MUTE+3.3V
D395
D397
LED DRIVE
Q001, 002
STANBY LED 100
D402
(STANDBY)
73 P_POWER_KEY
74 P_DISP_KEY
74 P_DISP_KEY
94 KEY_2
85 TS-CLK
84 TS-CS
83 TS-MODE
84 TS-CS
83 TS-MODE
95 KEY_1
7
62
ML9208 CLK
CP
6
61
ML9208 CS
CS
5
63
ML9208 DATA
DA
59
OSC1
58
OSC0
3
60
ML9208 RESET
RESET
FL201
FLUORESCENT
INDICATOR TUBE
COM2 – COM15
SEG1 – SEG35,
AD1
40, 55
41 – 54
5 – 39, 4
COM1, COM16
KEY
IN_0 –
KEY
IN_2
82, 87, 81
GRID
DRIVE
Q202, 203
SYSTEM CONTROLLER
IC401 (5/5)
FLUORESCENT INDICATOR
TUBE DRIVER
IC201
/SD
M
+39V
G+12V
RF+3.3V
SW+5V
FOR FLUORESCENT
INDICATOR TUBE
+5V
REGULATOR
IC956
MAIN POWER
ON/OFF SWITCH
Q461, 462
SHUT DOWN
DETECT
Q788, 789
+3.3V
REGULATOR
IC955
+3.3V
REGULATOR
IC107
+3.3V
SW+3.3V
D+3.3V
+3.3V
REGULATOR
IC105
RF+1.8V
+1.8V
REGULATOR
IC110
+4V
REGULATOR
IC953
+9V
REGULATOR
IC954
+9V
REGULATOR
IC952
+9V
REGULATOR
IC951
USB+5V
USB_OCD
USB_SW
REGULATOR
CONTROL SWITCH
Q953, 954
+5V
REGULATOR
IC961
RECT
D202 – 205
OSC
Q201
F1
F2
F2
T201
DC/DC
CONVERTER
+3.3V
REGULATOR
IC2
+1.8V
+5V
+1.8V
REGULATOR
IC810
C
USB_OCD, USB_SW
VBUS OVER
CURRENT DETECT
IC962
+5V
REGULATOR
IC003
19
CS
16
MODE
18
CLK
KEY1 – KEY15
TOUCH SENSOR DRIVER
IC004
OSC
C206, R205
S101,
S400 – 409
TOUCH
SENSOR
30, 27, 1, 26, 2, 25, 3,
24, 4, 23, 5, 22, 6, 21, 8
9, 10, 15
KEYOUT0 –
KEYOUT2
TOUCH SENSOR
BACK LIGHT
D953 – 955
+5V
REGULATOR
IC957
P
REG_SW
B+ SWITCH
Q1206
+8V CONTROL
Q1205
RECT
D1212
POWER
CONTROL
Q1100, 1101
ISOLATOR
PC1101
+12V
REGULATOR
IC1102
RECT
D1113
D1113
ISOLATOR
PC1100
SHUNT
REGULATOR
IC1101
RECT
D1213
T1100
MAIN POWER
TRANSFORMER
T1200
SUB POWER
TRANSFORMER
VIN
POWER CONTROL
IC1100
C
VCC
FB
Z/C
D1119
D1110
D1112
D1214
6
7
4
3
1
STANDBY
CONTROL
Q1200
D
POWER CONTROL
IC1200
VCC
FB
FB
Z/C
5
4
2
1
D1211 D1202
D1208 D1207
STANDBY
CONTROL
Q1102
ISOLATOR
PC1200
SHUNT
REGULATOR
IC1201
(AC IN)
F1110
LINE FILTER
LF1100, 1101
RECT
D1100
TH1100
ISOLATOR
PC1102
AC DETECT
Q1204,1207
D1118
120V
SW1100
D1102
D1101
220
l
240V
VOLTAGE
SELECTER
(Australian, E3)
OC
5
REGULATOR
CONTROL SWITCH
Q951, 952
+5V
REGULATOR
IC971
B+ SWITCH
Q371,372
BT+3.3V
+3.3V
REGULATOR
IC905
RECT
D1114
D1114
SHUT DOWN
DETECT
Q786, 787
B+ SWITCH
Q785
+31V
SHUNT
REGULATOR
IC785
BT LED/DMP DET
D401
(BLUETOOTH)
97
• Abbreviation
E3: 240V AC area in E model
LED DRIVE
Q451, 452
(Page 30)
(Page 32)
(Page 33)
HCD-AZ77DBT
HCD-AZ77DBT
35
35
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• f :
internal
component.
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• 5 : fusible resistor.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– BT Board –
no mark : BLUETOOTH
– DMB17 Board –
no mark : DVD PLAY
no mark : BLUETOOTH
– DMB17 Board –
no mark : DVD PLAY
*
: Impossible to measure
– Other Board –
no mark : TUNER (FM/AM)
( ) : DVD PLAY
< > : TAPE PLAY
{ } : REC
[ ] : BLUETOOTH
no mark : TUNER (FM/AM)
( ) : DVD PLAY
< > : TAPE PLAY
{ } : REC
[ ] : BLUETOOTH
*
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10
M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
J
: CD PLAY
c : DVD PLAY
I : DIGITAL OUT
F :
I : DIGITAL OUT
F :
AUDIO
L :
VIDEO
E :
Y
a :
CHROMA
r : COMPONENT VIDEO
f :
f :
TUNER
(FM/AM)
d :
TAPE
PLAY
G :
REC
h : VIDEO/SAT OUT
k : VIDEO/SAT IN
p : BLUETOOTH OUT
l : BLUETOOTH IN
P
k : VIDEO/SAT IN
p : BLUETOOTH OUT
l : BLUETOOTH IN
P
: USB INPUT
N
: MIC INPUT
• Abbreviation
AUS :
AUS :
Australian
model
E3
: 240V AC area in E model
TH :
Thai
model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
• Circuit Boards Location
MS-214 board
MAIN board
tuner (FM/AM)
ADC board
BT board
EJECT board
FL board
KEY board
ANT board
DMB17 board
USB CONNECTOR board
HP MIC board
TOUCH SENSOR board
VIDEO board
SPEAKER board
S-MASTER board
POWER board
The components identifi ed by mark 0 or dotted line with
mark 0 are critical for safety.
Replace only with part number specifi ed.
mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
Caution:
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
HCD-AZ77DBT
HCD-AZ77DBT
36
36
7-6. PRINTED WIRING BOARD - DVD SERVO Section (1/2) -
1
4
5 8
C3704
C3752
C3754
C3761
C3762
C3764
R3756
R3757
R3758
R3759
IC3751
R3761
R3762
R3763
R3764
R3766
R3767
R3768
R3769
R1527
1
4
5 8
1
14
8
7
R3611
R3621
C3706
R3504
R3505
C3732
C3734
C3741
C3742
C3744
L3601
L3602
R3736
R3737
R3738
R3739
IC3731
R3741
R3742
R3743
R3744
R3746
R3747
R3748
R3749
R3601
R3602
IC3601
D1G2S2
G1
D2
S1
C1
E1
B1
B2
B2
E2
C2
E
1
12
13
48
24
25
36
37
1
4
5
8
D
G
S
1
4
5 8
24
1
25
48
1
54
27
28
1
24
25
36
37
48
12
13
B
E
R3801
R3802
R3803
R3804
R3805
R212
R219
R1101
R222
R223
R1109
R225
R227
R228
R236
R238
R239
R243
R1129
C212
C214
R1524
R1526
C221
C223
C225
R1530
R1531
C2501
R1540
R1545
R1168
R1553
R1557
Q101
Q102
Q103
RB103
R1187
RB104
RB105
RB106
RB108
RB110
RB111
R5016
RB112
RB113
R5017
IC201
C3702
C3708
C3712
C3714
R101
R102
C3721
C3722
R107
C3724
R108
R109
R116
R117
R118
R314
R120
R121
R121
R3716
R3717
R3718
R319
R3719
IC3711
R126
R3721
R3722
R3723
R3724
R3726
R3727
R3728
R3729
R136
C101
C102
R142
C106
C108
C109
R146
C301
C302
C305
R151
R152
R155
C3772
C3774
R160
C124
R161
C3781
C3782
C3784
C130
C132
C133 C135
C137
C138
R3776
R3777
R183
R3778
R3779
IC3771
R187
R3781
R3782
R3783
R3784
R3786
R3787
R3788
R3789
C169
IC101
IC102
IC104
IC105
IC107
C188
C189
IC301
C192
C193
C195
FL401
FL402
FL403
C3802
Q3801
FB401
FB403
FB405
R1561
C146
C145
R1146
R1147
R1177
R166
R170
FB107
RB114
RB115
IC110
C1503
R153
FB104
FB105
FB106
FB108
Q2001
C3612
R1504
R1120
R1121
R1122
R1123
R1124
R1125
FB110
1
3
5
4
2
24
1
23
CN101
R5005
C
1-873-389-
11
(11)
DMB17 BOARD
(COMPONENT SIDE)
65
64
1
256
193
192
128
129
(AUS, E3)
(TH)
1
3
3
1
4
5
OPTICAL
PICK-UP
BLOCK
(1/2)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
Ref. No. Location
• Semiconductor
Location
IC101
D-3
IC102
D-4
IC104
E-3
IC105
F-2
IC107
C-5
IC110
F-3
IC201
B-2
IC301
E-6
IC3601 G-6
IC3711 F-6
IC3731 F-5
IC3751 C-6
IC3771 C-6
Q101
IC3711 F-6
IC3731 F-5
IC3751 C-6
IC3771 C-6
Q101
B-4
Q102
B-5
Q103
B-4
Q2001 D-2
Q3801 F-5
Q3801 F-5
•
: Uses unleaded solder.
• See page 35 for Circuit Boards Location.
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