Sony DAV-DX375 / HCD-DX375 Service Manual ▷ View online
37
37
HCD-DX375
HCD-DX375
6-4. BLOCK DIAGRAM – VIDEO SECTION –
IC706
EEP ROM
SCL
SDA
WP
• 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
J202
COMPONENT
VIDEO OUT
VIDEO
Y
PB/CB
PR/CR
MONITOR
OUT
CY
CB
CR
B
AMP
SECTION
(Page 35)
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
6
5
5
7
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 34)
AMP LRCKO,AMP MCKO,AMPBCKO
AMPDO,AMPD2,AMPD3
AMP SECTION
(Page 35)
AUDIO SECTION
(Page 36)
AUDIO SECTION
(Page 36)
A
C
IC111
OSC
X101
27MHz
TX27M
S1701
NOM-DL
XRST
TXD
RXD
+3.3V
V SEL0
V SEL1
IC201
VIDEO AMP, 75
Ω
DRIVE
YOUT
COUT
CVBSOUT
CbOUT
CYOUT
CrOUT
13
1
A
B
Y
IC150
RESET
XSMCS
SMSCK
SMSDI
SMSDO
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
38
38
HCD-DX375
HCD-DX375
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
IC360
+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 34)
F901
POWER
Thermistor
LINE
FILTER
39
39
HCD-DX375
HCD-DX375
6-6. PRINTED WIRING BOARD – DMB12 BOARD (SIDE A) –
•
See page 33 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
IC101
D-6
IC102
D-8
IC103
C-8
IC104
B-7
IC110
F-6
IC201
F-8
IC701
C-3
IC708
C-4
Q101
G-6
Q103
G-6
✩
New part of EEP ROM (IC103, IC706) on the DMB12 board
cannot be used.
Therefore, if the mounted MAIN board (A-1148-813-A) is
replaced, exchange new EEP ROM (IC103, IC706) with that used
before the replacement.
cannot be used.
Therefore, if the mounted MAIN board (A-1148-813-A) is
replaced, exchange new EEP ROM (IC103, IC706) with that used
before the replacement.
MAIN BOARD
CN701
(Page 49)
O
I/O BOARD
CN202
(Page 56)
C
I/O BOARD
CN201
(Page 56)
B
MAIN BOARD
CN505
(Page 49)
N
MAIN BOARD
CN504
(Page 48)
P
SPINDLE MOTOR
SLED MOTOR
for DIAG JIG
OPTICAL PICK-UP
BLOCK
(KHM-310CAB)
IC701
IC708
IC101
IC110
IC201
IC104
IC102
IC103
HDMI OUT
(DVD ONLY)
for CHECK
NOM
DL
1
6
S1
D2
S2
D1
E
1
3
8
2
9
12
FL704
C715
R1750
CN701
C713
LF704
LF703
LF702
LF701
C709
C710
C707
FL703
FL701
R728
C704
C701
C702
R762
R793
R1704
C736
R763
C731
FL705
R4801
R4802
R4803
R1715
R767
X701
R771
R789
R790
C733
R167
R169
R166
R165
R164
R163
S1701
C1103
C1104
R161
R160
R184
R162
R159
R185
R183
R1101
R140
RB117
R1179
R171
R1183
R170
RB116
C197
C180
C179
RB108
RB107
RB114 RB115
RB103
R1114
RB104
RB111
RB111
RB109
RB110
C153
C152
X101
C150
CN4501
R4503
R4502
C4501
R4507
FL4501
R4805
R4504
R4505
R4506
R4602
R4501
R4520
C603
C602
FB606
FB605
R4706
R4705
R4704
R4703
R4702
R4701
C4606
C4603
R4603
C4608
L4602
C4609
CN4301
CN4302
FB604
R108
R111
R111
C101
Q101
CN601
R4619
R4607
C105
C112
Q103
R116
R117
CN101
C187
C217
R1110
CN105
C117
C119
C222
C221
C219
C224
C218
C220
CN201
R1173
R234
R233
R232
R231
C233
C211
R226
R221
R212
C209
R225
R223
R230
R220
R1138
R1140
R1143
R1145
R1141
R1142
CN109
R152
R153
C160
C102
R193
R191
R1176
RB113
RB112
FB111
FB108
FB106
C177
C190
CN1701
C4605
C118
40
40
HCD-DX375
HCD-DX375
1
3
4
5
1
1
1
3
3
5
5 4
4
6
E1
C2
B2
C1
E2
B1
3
3
3
3
1
1
4
4
4
4
5
5
5
5
1
1
E
E
R754
R756
12
IC707
IC705
IC706
IC703
IC702
IC4502
IC4601
IC107
IC105
IC111
IC150
C191
RB105
RB106
C176
C181
R155
C155
C174
C164
C162
C173
C175
R1115
R1400
C158
R146
R125
R139
R1201
R156
R145
R148
R147
C131
C183
R1134
R1178
C198
R1152
R1150
R1151
C126
C136
R154
C144
C186
R130
R1177
R135
C199
C154
R143
FB107
R103
C127
C128
FB115
R216
R210
C208
C207
C184
R106
R105
C182
R1133
R151
R102
R246
R247
Q102
R224
R219
C210
R204
R207
C205
C206
R208
R206
C203
R209
R214
R213
C212
R215
R205
C214
C213
C114
C116
R2504
C115
C125
C215
R124
R123
R101
C113
R112
R113
R115
R113
R115
R114
R107
R1129
R121
R120
R120
R118
C4610
R4621
L3601
R109
C106
C106
R110
FL601
FL603
FB602
FL602
R4718
R4604
FB603
FB601
C4602
R4601
R4609
C4601
C4607
C4621
R4611
R4606
R4620
R4605
C4611
R703
R702
R704
R4527
C4502
R4512
C4504
R4510
R4516
R4511
R4514
R4515
C716
C719
R731
C717
C723
R740
R736
R734
R1705
R730
R714
C720
R1706
R738
C718
R716
R708
R709
C726
C711
C712
R748
R743
R1751
R745
R749
R747
R701
C714
C703
R787
R712
R725
R750
R724
R718
R722
R705
R744
R751
R752
C725
R742
R723
R753
C729
R788
R1124
R189
R190
R755
R766
C730
R1701
R765
C727
R1702
R783
R1703
R792
R784
R770
R782
R785
Q702
Q701
C734
R780
R786
R781
R722
R760
R769
R773
C732
R764
R759
C156
C171
C161
R1185
R1710
C1105
R1501
R1502
R1503
C1501
R1184
R138
R133
R175
C1106
C1107
R197
R173
R195
R1125
R1123
R1122
C172
R192
R174
R1102
R1121
R1120
R1120
C157
R172
C163
R142
FB123
R1167
R1186
R1168
R141
C151
C142
C140
R1191
C149
C137
C147
C141
R132
R1169
C148
C138
C139
C133
C145
C143
C132
C135
R136
C130
C121
FB112
C120
C122
C123
C123
C124
C193
C195
C192
R1170
R1139
6-7. PRINTED WIRING BOARD – DMB12 BOARD (SIDE B) –
•
See page 33 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
IC105
D-2
IC107
E-5
IC111
D-5
IC150
B-4
IC702
D-7
IC703
C-8
IC705
B-8
IC706
C-7
IC707
B-7
IC4502
E-6
IC4601
F-8
Q102
G-5
Q701
B-6
Q702
B-6
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