Sony DAV-DX155 / DAV-DX255 / HCD-DX155 / HCD-DX255 Service Manual ▷ View online
33
33
HCD-DX155/DX255
HCD-DX155/DX255
6-4. BLOCK DIAGRAM – VIDEO SECTION –
• Signal Path
: VIDEO
: Y
: COMPONENT VIDEO
: CHROMA
: R, G, B
IC1101 (3/3)
DVD SYSTEM PROCESSOR
196
YUV2
203
YUV6
49
WIDE
WIDE
200
YUV4
202
YUV5
IC1103
EEPROM
6 5
SCL
SDA
198
YUV3
194
YUV1
XROMCS
XWR
XRD
IC1102
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
AD0 – AD7
A1-A20
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
A21
A0
26
45
CE
WE
28
OE
11
A0 – A19
DQ15/A-1
77
IOCS
IOWA
79
IOUE
66
DQ0 – DQ7
RCLK
IC1104
64M 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
CLE
37
DRCLE
102
SCL
103
SDA
143
BA0
20
BS0
BA1
21
BS1
29,31,33,35,38,40,42,44
25-16, 9-1, 48
145
156
113 137 157
2,4,5,7,8,10,11,13,42,44,45,47,48,50,51,53
10
NC
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
P
B
/C
B
P
R
/C
R
CY
CB
CR
B
AMP
SECTION
(Page 31)
V SEL0
V SEL1
IC201
VIDEO AMP, 75
Ω
DRIVE
YOUT
COUT
CVBSOUT
CbOUT
CYOUT
CrOUT
13
1
228
229
X1102
27MHz
34
34
HCD-DX155/DX255
HCD-DX155/DX255
6-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
IC511
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
Q506
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
RF +3.3V
+31.5V
IC901
POWER
PROTECTION
AC IN
SW+3.3V,+3.3V
+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC1107
+3.3V REG
IC1105
+3.3V REG
IC942
D+5V REG
IC943
+3.3V REG
IC951
VOLTAGE
DETECT
IC1109
+1.8V REG
IC3050
+1.8V REG
+6V
SW+9V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
IC516
+5V REG
A5V
+9V
A12V
+1.8V
D503
D505
E3.3V
BMP3.3V
+1.8V
Q502
5V SW
IC502
+3.3V REG
+3.3V
SW +5V
RECT
OSC
D3.3V
RF
F901
POWER
Thermistor
LINE
FILTER
35
35
HCD-DX155/DX255
HCD-DX155/DX255
6-6. PRINTED WIRING BOARD – MAIN BOARD (SIDE A) –
•
See page 29 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D2001
I-12
IC501
D-11
IC502
B-11
IC504
B-13
IC505
C-13
IC511
C-10
IC1101
H-10
IC1102
F-11
IC1103
E-9
IC1104
H-8
IC1105
G-12
IC1107
H-13
IC1109
J-12
IC1201
F-13
IC2200
I-13
IC3001
C-7
IC3003
E-8
IC3010
D-7
IC3020
E-7
IC3030
H-7
IC3050
B-6
IC3051
C-7
IC3100
C-5
IC3150
D-5
IC3200
E-5
IC3250
F-5
IC3300
G-5
IC3400
H-5
IC3500
I-5
Q506
C-10
Q1101
G-14
Q1102
H-14
Q1103
G-13
Q3101
C-2
Q3102
C-2
Q3151
D-2
Q3152
D-2
Q3201
E-2
Q3202
E-2
Q3251
F-2
Q3252
F-2
Q3301
G-2
Q3302
G-2
Q3401
I-2
Q3402
I-2
Q3551
J-3
✩
New part of EEP ROM (IC1103) on the MAIN board cannot be used.
Therefore, if the mounted MAIN board (A-1151-985-A, etc.) is replaced,
exchange new EEP ROM (IC1103) with that used before the replacement.
Therefore, if the mounted MAIN board (A-1151-985-A, etc.) is replaced,
exchange new EEP ROM (IC1103) with that used before the replacement.
DX155:US, CND/DX255
DX155:MX
DX155:AUS
DX155:E3
DX155:SP
1
3
4
5
4
5
1
3
1
3
4
5
3
1
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
DX255
DX155
C3508
C3513
R3507
R3504
DX255
R3051
R3052
DX255
JC509
JC508
DX155
DX255
R1504
R664
R666
R665
C606
R676
R678
R682
R670
R672
RB603
RB604
RB608
RB607
C594
RB610
RB609
C515
C516
1
14
15
28
1
14
15
28
IC502
IC501
IC504
IC505
IC1103
IC1102
IC1101
IC1104
IC3030
IC3020
IC3010
IC3001
IC3051
IC3100
IC3150
IC3200
IC3250
IC3300
IC3400
IC3050
IC1105
IC1107
IC1109
IC2200
IC1201
IC3003
IC511
10
1
11
20
IC3500
A
FL BOARD
CN801
(Page 49)
OPTICAL
PICK-UP BLOCK
(KHM-310CAB)
C3122
Q3101
Q3102
C3123
C3173
C3172
Q3151
Q3152
Q3201
Q3202
C3222
C3223
C3273
C3272
Q3251
Q3252
C3323
C3322
Q3301
Q3302
C3422
C3423
Q3401
Q3402
C3555
R3555
Q3551
R3554
C3408
C3413
C3308
C3313
C3258
C3263
C3208
C3213
C3158
C3163
C3108
C3113
R3107
R3104
C3055
C3088
R3099
R3096
R3096
X3051
R3102
R3157
R3154
R3101
R3054
R3152
R3151
R3053
R3012
R3011
R3011
R3094
R3093
C3057
R3090
R3089
C3084
R3086
C3086
C3089
R3017
R3015
R3014
R3075
R3066
R3065
R4002
C3067
C3070
C3070
C3069
R3069
R3067
R3073
R3072
R3062
R3070
R3071
R3071
R3063
R3064
R3068
R3064
R3068
R3078
R3077
R3079
C3072
R3097
C3073
R3055
R3204
R3207
R3201
R3026
R3202
R3251
R3252
R3257
R3254
R3057
C3068
R3024
R3023
R3022
R3021
C3305
R3316
R3307
R3302
C3075
R3037
R3076
R3035
R3301
R3401
R3034
R3032
R3304
R3402
R3407
R3060
R3059
R3033
R3031
R2315
R2316
R2317
R2318
R2319
R2314
R3404
R2306
JC517
JC515
JC513
JC512
JC511
R1180
R1181
R1182
R1161
R1160
R1171
R2168
R1142
R2551
C1153 C1152
C1138
C1151
R1141
R1141
C1133
R1144
R1164
C1139 R1132
C1137
C1135
C1148
C1147
R1136
C1132
C1121
C1120
C1122
C1123
FL1107
R2212
C2206
R2200
D2001
C1188
C1195
C2208
C2204
C2205
C2201
C2211
R2213
R2203
R2202
C2202
R2214
R2211
R1192
R2122
R2125
R2124
C2213
R2123
R2120
R2121
R1120
R1118
R1107
R1115
R1113
R1112
Q1102
R2129
R1114
C1101
CN1101
Q1103
C1192
R1111
R1116
R1108
R1108
C1193
R1121
R1117
FL1101
R1101
R1246
C1222
Q1101
R1247
C1215
C1219
C1221
R1213
C1203
R1204
R1207
R1210
C1208
R1216
R1205
FL1105
R1183
R513
R1212
R2554
R2109
R2161
R2126
R1209
C1206
R1215
R1206
R1208
C1205
R1214
R596
R577
R789
R515
R790
R616
R614
R612
R791
R792
R793
R720
R713
R708
CN509
RB602
RB601
RB605
RB606
R728
R592
R726
C513
C517
C511
FL502
FB504
FB506
FB502
Q506
FL503
C589
C507
FL501
C587
FB500
FB503
L3052
L3051
R730
R729
C3085
R3088
R742
R746
C3087
C3083
R3087
R3085
R3092
R3091
R3098
R744
RB501
R1193
R1191
R1191
FB1111
FL1104
C1167
R756
FL1108
FL1106
R2546
R1155
R1154
R1152
R1147
R1145
R1156 R1153
R1148
C1160
R2115
RB1112
RB1113
RB1107
RB1108
RB1103
RB1111
RB1115
RB1104
RB1114
R2114
R2101
R2553
RB1105
RB1106
C509
R707
R3013
A22
Ver. 1.2
36
36
HCD-DX155/DX255
HCD-DX155/DX255
6-7. PRINTED WIRING BOARD – MAIN BOARD (SIDE B) –
•
See page 29 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor Location
Ref. No.
Location
D503
D-8
D504
C-7
D505
C-8
D3071
E-8
D3072
E-8
D3073
E-8
D3111
B-13
D3112
C-13
D3151
C-13
D3152
D-13
Ref. No.
Location
D3201
D-13
D3202
E-13
D3251
E-13
D3252
F-13
D3301
G-13
D3302
G-13
D3401
H-13
D3402
H-13
D3501
I-13
D3502
I-13
Ref. No.
Location
D3551
J-14
D3552
J-14
IC516
B-6
Q502
B-6
Q3000
J-12
Q3001
J-13
Q3002
J-13
Q3081
D-9
SPINDLE
MOTOR
SLED
MOTOR
I
SPEAKER BOARD
CN301
(Page 51)
H
JACK BOARD
CN403
(Page 49)
G
POWER BOARD
CN902
(Page 54)
Adjustment
used
1
13
1
6
12
1
3
1
4
1
4
1
6
1
1
2
1
2
E
E
E
E
E
CN508
C514
C3520
C3519
L3502
L3501
D3501
C3509
R3516
DX255
R3515
R3503
C3503
C3504
C3500
C3505
C3507
C3506
D3502
C3512
C3517
1
6
1
21
FAN
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
F
POWER BOARD
CN904
(Page 54)
E
I/O BOARD
CN311
(Page 47)
C
I/O BOARD
CN202
(Page 47)
B
I/O BOARD
CN201
(Page 47)
K
SPEAKER BOARD
CN302
(Page 51)
J
SPEAKER BOARD
CN303
(Page 51)
D
RELAY BOARD
CN701
(Page 52)
IC516
R519
R706
R601
C512
R620
C598
R608
R725
C570
C572
C571
C503
C855
C501
R683
R681
R585
R589
R587
R594
R595
R586
R590
R588
R591
R597
R598
CN507
C1217
CN1201
C1224
C1214
C1212
R1230
R1221
R1226
R1233
R1224
C1209
C1211
R1234
R1232
R1231
C1228
R1220
R1225
R1223
C1213
R1219
C1220
C1218
C1210
C1112
R1124
CN1302
C2212
C2210
R1123
R1109
R1110
C1106
C1113
L2200
C1105
CN1301
L2201
R2506
C2209
EB1002
C2207
R2134
C2200
C1187
C1118
C1117
C1119
C1116
C1178
C1115
C1124
C1199
C1184
C1114
C1130
C1140
C1146
C1149
C1126
C1125
C1156
C1154
C1150
R1126
R2547
R1146
R2104
X1102
R2548
R2549
R2550
R2103
R1159
R1168
C1159
C1161
C1163
C1173
C1181
C1136
C1144
C1155
C1158
C1162
C1164
C1176
C1175
C1174
C1172 C1171
R2105
C1170
R1176
C1128
C1127
C1131
R2133
C1186
C1182
R1106
R1105
C1110
C1102
FB1106
C1177
R1151
R2176
C1109
R2151
R2150
R2152
R624
C856
R733
FB1108
CN1105
R2110
C1190
R693
R692
R524
R743
R593
C762
C798
R702
R774
R755
C799
R727
R622
R719
R717
R709
X502
R628
C712
C739
C716
R657
R741
R662
R775
C583
FB505
D504
R659
C504
C602
R506
C601
R507
Q502
C506
FB507
C508
C510
FB509
R710
R704
R703
FB508
R673
C875
FB501
C525
C505
C603
D505
D503
C580
C582
R3050
D3071
D3073
D3072
Q3081
R3080
C3071
EB1004
C1179
C1191
C1180
C1197
EB1003
R2311
R2310
R2309
R2308
R2307
EB3001
R3061
C3036
C3033
C3032
C3037
C3038
C3031
C3040
C3039
C3035
C3034
R3315
C3300
C3304
R3303
C3303
C3405
C3400
C3404
R3416
R3415
R3403
C3403
C3406
C3407
C3306
C3307
C3309
C3312
C3409
C3412
D3301
L3301
D3302
L3302
D3401
L3401
D3402
L3402
R3320
C3314
C3315
C3414
C3415
R3322
C3318
R3319
C3316
R3321
R3274
R3273
C3317
EB3004
R3324
R3323
C3319
R3422
R3421
R3326
R3325
R3327
C3321
C3320
C3417
R3426
R3424
C3420
R3427
C3421
CN3300
R3419
C3416
C3418
C3419
R3423 R3420
R3425
C3551
R3520
R3519
C3516
C3514
C3515
C3518
R3006
R3003
C3002
Q3002
Q3001
D3552
R3551
C3552
CN3000
EB3005
R3004
R3001
Q3000
C3001
L3000
C3000
CNP3000
R3002
D3551
C3267
R3276
R3275
R3277
C3270
CN3200
C3220
C3217
R3226
C3221
R3227
R3225
C3170
C3167
R3176
C3171
R3177
R3175
CN3100
C3120
R3127
C3121
C3117
R3125
C3094
R3126
C3119
EB3003
C3095
CN3001
C3116
R3119
CN3002
R3121
R3122
R3123
R3124
C3118
R3172
C3114
C3115
C3164
C3165
R3120
R3169
C3166
R3170
R3171
C3168
R3173
C3169
R3174
C3214
C3215
C3218
R3222
R3221
R3224
R3223
C3219
R3219
C3216
R3220
C3268
C3264
C3265
R3272
R3271
R3269
C3266
C3269
R3270
C3271
D3252
L3252
D3251
L3251
L3202
L3201
D3202
D3201
L3152
D3152
L3151
D3151
L3112
D3112
L3111
D3111
C3162
C3209
C3212
C3259
C3262
C3105
C3109
C3112
C3159
C3100
R3116
R3115
C3104
C3103
R3103
R3166
C3155
C3150
R3165
C3154
C3153
R3215
R3153
C3157
C3106
C3107
EB3002
C3051
L3053
C3052
C3053
EB3051
C3011
C3156
C3205
R3216
C3200
C3204
R3266
R3265
C3203
R3203
C3255
C3250
R3253
C3254
C3253
C3207
C3206
C3257
C3256
C3021
C3029
C3030
C3028
C3014
C3025
C3024
C3022
C3023
C3026
C3027
C3018
C3019
L3054
C3017
C3020
C3016
C3013
C3012
C3015
C3056
C3058
C3060
R3052
C3059
C3082
C3054
C3081
C3091
C3092
C3090
EB903
R3095
CN515
R3553
Ver. 1.2
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