Sony HCD-SX7 / HCD-SX7B Service Manual ▷ View online
HCD-SX7/SX7B
HCD-SX7/SX7B
53
53
Note 3: Refer to the “New/Former Discrimination” on page 40 for how to distin-
guish New type and Former type of MAIN board.
5-17. PRINTED WIRING BOARDS - MAIN Section (2/2) (New type) -
Note 2: When the IC206 and IC601 are replaced, refer to “CHECKING OF
NETWORK CONNECTION” on page 5.
Note 1: IC203 and IC502 on the MAIN board cannot replace with single.
When these parts are damaged, replace the complete mounted board.
•
: Uses unleaded solder.
• See page 40 for Circuit Boards Location.
+
+
+
56
1
29
28
3
2
4
1
4
1
5
8
44
1
23
22
1
3
5
4
7
1
8
14
1
3
6
4
6
4
1
3
14
8
7
1
15
21
22
28
5
8
4
1
33
64
128
97
65
96
32
1
54
28
1
27
4
6
3
1
8
5
5
1
4
4
14
1
15
28
1
4
8
5
1
3
6
4
4
1
3
2
5
6
1
4
6
3
1
R400
R401
R214
C1121
Q851
R215
C1122
Q852
R216
C1123
C1124
C1125
C1126
C1127
C1128
R1101
JC910
R1105
R1106
R1107
C1130
R1108
IC1101
IC1102
C1132
C1133
IC1103
C1134
IC1104
R228
C1135
C1136
IC1106
R036
IC1107
C1138
R1110
R614
R618
R424
R1115
R425
R1116
R1117
C1140
R428
R429
R041
C1142
C1143
C1144
C1145
R045
C1146
R046
C1147
R047
C1148
R1121
C1149
R1122
R432
R1123
R1124
R1126
R436
R1125
R437
R1128
C1150
R050
R1129
C1151
C1153
C017
C1155
C1156
R632
C1157
R1130
C1158
R634
R440 R441
C1159
R1131
R1132
R1133
R637
R443
R1134
C214
R1135
R1136
C022
R446
R1137
C1160
R1138
C024
C218
R1139
C1161
C219
C1162
C1164
C604
C1165
C605
C1166
C1167
C607
C1168
R1140
C608
C220
R1141
R1142
C222
R1143
C223
R1144
C224
R1145
C225
R261
R1146
C226
R1147
R263
C227
C228
R264
R1149
C229
C613
CL501
C1177
C1178
R460
C1179
C231
R461
C232
C233
R463
R1154
4
6
3
1
1
3
6
4
C234
CL508
CL509
C235
C236
R1157
JC1103
R467
C237
R1158
C1180
R468
JC1105
R1159
JC1106
C622
R852
CL702
R853
CL703
CL510
CL704
CL511
R855
CL705
CL512
CL706
C1187
CL707
R1160
C1188
C628
C240
R1161
C1189
R859
R1162
R1163
R1164
C244
R1165
R669
C051
CL519
C245
R1166
CL902
C246
C247
R477
C1190
C248
R860
CL710
R479
R861
C056
C632
C1194
R670
CL520
C1195
R865
CL521
R289
R866
CL522
C1197
CL523
R867
CL524
R869
CL525
R482
CL526
R483
R678
R290
R679
R294
R489
R295
R875
R876
R877
R1180
R490
C260
R878
R491
R685
R879
R492
R686
R493
R687
C263
R494
R688
C264
R495
C267
R880
R881
R882
R882
R883
R884
R885
R886
R887 C851
ET201
C852
C854
C855
C856
C857
C858
C664
C859
RB501
RB502
RB503
C667
RB504
C668
RB505
RB506
IC203
RB507
C860
RB508
C861
RB509
IC206
C862
C863
Q901
C865
Q902
Q903
C867
Q904
C868
Q905
C869
Q906
JL851
C870
C872
C873
Q910
IC601
FL501
L904
C1200
C1201 5
1
3
4
C1203
C1204
C1205
C1206
C1207
C1208
C1209
FB501
FB505
R302
C1210
R306
R309
C1216
C1217
C1218
C1219
R502
FB513
R503
D851
FB515
D852
FB517
R314
FB518
R315
FB519
R316
R317
R701
C1226
R702
C1227
R703
R704
R705
R707
R708
R321
R709
R324
R518
R327
R328
R329
R711
R713
R330
IC851
R331
R719
R525
IC852
R332
R334
R528
R335
R529
R336
R338
R720
R721
R722
R706
R531
R533
R534
R341
R342
R536
R343
R537
R538
R346
R348
R542
R540
R546
R547
R543
R548
R354
C701
R549
R355
R932
R356
R357
R934
R935
X501
R936
C706
R937
R551
C709
R552
C517
C518
R554
R361
R555
R556
R363
R557
R940
R364
R365
R942
C712
R943
C520
4 3
1 2
C521
R946
R753
R754
R560
R755
R756
R757
C527
R758
R564
C529
R371
R565
R566
R373
R568
R375
C722
R953
R760
C530
R954
R955
R762
R956
R957
R764
R958
R959
JL903
JL904
JL905
R576
R578
R960
R579
R961
R386
4
1
5
8
R387
R388
R965
R966
C542
R968
C544
C545
C546
C547
R390
C548
R391
R970
CL1101
R971
CL1102
C936
R972
JL532
CL1103
C937
JL533
CL1104
R398
JL534
CL1105
JL535
R399
C553
CL1108
C554
CL1109
C559
C942
CL1110
C944
C945
C946
C947
CL1114
C563
C564
CL1119
C567
C569
C957
C958
C959
C571
C572
C573
CL1128
C574
C575
C576
C577
C578
C960
C579
CL851
CL852
C967
CL853
CL854
IC501
C969
CL855 CL856
IC502
IC503
CL857
CL858
IC504
IC505
CL859
D910
C970
D911
C971
C972
D912
D913
C974
CL860
C975
CL861
IC702
CL862
IC703
IC704
IC906
IC907
C1101
IC909
C1102
C1103
C1104
R004
C1105
FB209
C1107 C1108
Q1104
IC910
Q1105
C1109
Q1106
R201
C1110
C1111
JC701
JC702
JC703
C1114
JC704
C1115
JC706
JC708
JC707
2
3
1
4
3
1
CN005
IC004
J001
TB1101
TB1102
C002 C011 C015
1-894-338-
12
(12)
MAIN BOARD
(SIDE B)
E
E
S
D
G
E
E
K
K
A
K
A
E
E
E
A
A
K
K
E
E
(SX7B)
(SX7)
A
A
KK
(CHASSIS)
OPTICAL IN
L
R
LINE IN
L
–
+
R
+
–
SPEAKERS
INPEDANCE USE 6
:
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
(SX7)
(SX7)
(SX7)
CND, RU, E32, SP,
AR, TH, IDN, AUS
CND, AEP, RU,
UK, E32, AR, AUS
Ver. 1.1
HCD-SX7/SX7B
HCD-SX7/SX7B
54
54
5-18. PRINTED WIRING BOARDS - PANEL Section -
•
: Uses unleaded solder.
• See page 40 for Circuit Boards Location.
CL2001
CL2002
CL2003
CL2004
CL2005
CL2006
CL2007
11
10
2
1
CL2008
CL2009
CL2010
CL2011
CL2012
CL2013
CL2014
CL2015
CL2016
CL2017
CL2018
CL2019
CL2020
CL2021
CL2022
C2002
C2004
C2006
R2001
R2003
R2005
R2006
R2007
R2008
R2009
R2010
R2019
R2021
JR2001
JR2002
JR2003
JR2004
JR2005
1
5
3
1
3
1
2
JW2001
JW2002
JW2003
JW2004
CN2001
CN2002
IC2001
S2004
EN2001
EN2002
1
2
3
4
5
S2001
S2003
S2002
11
1
1
4
J1500
CN1500
CN1500
CN1501
C1500
C1502
C1503
R1507
C1504
R1504
R1505
R1508
CL1500
CL1501
CL1502
JL1500
JL1501
JL1502
JL1503
JL1504
JL1505
JL1506
JL1507
JL1508
JL1509
C2100
C2101
Q2100
Q2101
R2100
R2101
CL2100
CL2101
CL2102
CL2103
CL2104
CL2105
CL2106
1
5
CN2100
D2100
S2100
CL2001
CL2002
CL2003
CL2004
CL2005
CL2006
CL2007
11
10
2
1
CL2008
CL2009
CL2010
CL2011
CL2012
CL2013
CL2014
CL2015
CL2016
CL2017
CL2018
CL2019
CL2020
CL2021
CL2022
C2002
C2004
C2006
R2001
R2003
R2005
R2006
R2007
R2008
R2009
R2010
R2019
R2021
JR2001
JR2002
JR2003
JR2004
JR2005
1
5
3
1
3
1
2
JW2001
JW2002
JW2003
JW2004
CN2001
CN2002
IC2001
S2004
EN2001
EN2002
1
2
3
4
5
S2001
S2003
S2002
11
1
1
4
J1500
CN1500
CN1500
CN1501
C1500
C1502
C1503
C1504
R1504
R1505
CL1500
CL1501
CL1502
JL1500
JL1501
JL1502
JL1503
JL1504
JL1505
JL1506
JL1507
JL1508
JL1509
A
B
C
1
2
3
4
5
6
7
D
FRONT BOARD
1-894-339-
12
(12)
MAIN BOARD
CN011
>05P
USB-HP BOARD
1-894-341-
12
(12)
VOLUME
ROTARY
ENCODER
FFC1
EN2002
ROTARY ENCODER
– TUNING +
PUSH
ENTER
BACK
MENU
i
5V 2.1A
MAIN
BOARD
CN605
>06P
MAIN
BOARD
CN601
>07P
MAIN
BOARD
CN1101
CN1101
>08P
POWER-KEY BOARD
1-894-340-
11, 12
(11, 12)
E
E
(GRN)
(RED)
/
ON/STANDBY
INDICATOR
FRONT BOARD
1-894-339-
11
(11)
MAIN BOARD
CN011
>01P
USB-HP BOARD
1-894-341-
11
(11)
VOLUME
ROTARY
ENCODER
FFC1
EN2002
ROTARY ENCODER
– TUNING +
PUSH
ENTER
BACK
MENU
i
5V 2.1A
MAIN
BOARD
CN605
>02P
MAIN
BOARD
CN601
>03P
MAIN
BOARD
CN1101
CN1101
>04P
E
E
F
G
8
9
10
Former type (Suffix-11)
New type (Suffix-12)
(Page 50)(Page 50) (Page 50)
(Page 50)
Note: Refer to the “New/Former Discrimination” on page 40 for how
to distinguish New type and Former type of FRONT board and
USB-HP board.
USB-HP board.
(Page 52)(Page 52) (Page 52)
(Page 52)
HCD-SX7/SX7B
HCD-SX7/SX7B
55
55
5-19. SCHEMATIC DIAGRAM - PANEL Section -
3
3.3
3.1
0
3.3
0
3.3
3.3
5P
CN2001
1
GND
2
RED
3
POWER
4
GREEN
5
EVER3.3V
11P
CN2002
1
RED
2
KEY1
3
POWER
4
ENTER_KEY
5
GREEN
6
JOG_AMS
7
EVER3.3V
8
KEY_EJECT
9
JOG_VOLUME
10
GND
11
SIRCS
EN2002
EN2001
PNA4823M03S0
IC2001
VO
1
GND
2
VCC
3
10k
R2003
0
R2021
1
C2004
100
R2007
47
R2001
CL2008
CL2009
CL2007
CL2003
CL2002
CL2006
CL2010
CL2011
CL2001
CL2004
CL2005
0
R2010
330
R2006
470
R2008
220
R2005
R2009
680
0.1
C2002
0.1
C2006
S2002
S2003
S2004
S2001
R2019
0
CL2020
CL2019
CL2018
CL2013
CL2012
CL2015
CL2017
CL2016
1
4
2
5
3
1
2
3
MENU
BACK
REMOTE CONTROL RECEIVER
IC2001
ROTARY
ENCODER
VOLUME
FRONT BOARD
>01S
CN011
BOARD
FFC1
(3/9)
MAIN
– TUNING +
ENTER
PUSH
ROTARY ENCODER
10
11
12
F
1
C
D
6
E
2
B
3
A
4
5
7
8
9
JL1500
JL1502
JL1503
JL1504
JL1501
CN1500
1
2
3
4
JL1505
JL1506
11P
CN1501
1
VBUSGND
2
VBUSGND
3
VBUS5.2V
4
VBUS5.2V
5
USB-DP
6
USB-DM
7
GND-SHIELD
8
A-GND
9
HP-L
10
HP-R
11
HP-DET
JL1507
JL1508
JL1509
0.047
C1502
0.01
C1503
0.01
C1504
0.1
C1500
0
R1505
100k
R1507
100k
R1508
0
R1504
CL1502
CL1501
CL1500
USB-HP BOARD
J1500
(7/9)
MAIN
>04S
BOARD
CN1101
(4/9)
MAIN
>02S
BOARD
CN605
(4/9)
MAIN
>03S
BOARD
CN601
5P
CN2100
1
EVER3.3V
2
GREEN
3
POWER
4
RED
5
GND
SML72423C-TP15
D2100
0.1
C2101
0.1
C2100
150
R2100
150
R2101
LTA014EUBFS8TL
Q2100
LTA014EUBFS8TL
Q2101
S2100
CL2101
CL2100
CL2103
CL2102
CL2104
CL2105
CL2106
POWER-KEY BOARD
ON/STANDBY
INDICATOR
(GRN)
(RED)
LED DRIVE
LED DRIVE
5V 2.1A
CL2021
(New type)
(New type)
(New type)
(Page 44)
(Page 44)
(Page 47)
(Page 43)
Note: Refer to the “New/Former Discrimination” on page 40 for how
to distinguish New type and Former type of FRONT board and
USB-HP board.
USB-HP board.
HCD-SX7/SX7B
HCD-SX7/SX7B
56
56
• Waveforms
– MAIN Board –
8
IC204
qf (AUDIO_XOUT)
2 V/DIV, 20 ns/DIV
40.6 ns
3.7 Vp-p
9
IC204
wl (SSISCK0)
2 V/DIV, 50 ns/DIV
81.5 ns
4.4 Vp-p
5.2
Ps
3.6 Vp-p
0
IC204
e; (SSIWS0)
2 V/DIV, 2
Ps/DIV
qa
IC204
yk (RTC_X2)
1 V/DIV, 10
Ps/DIV
30
Ps
1.7 Vp-p
qs
IC204
ua (XTAL)
2 V/DIV, 50 ns/DIV
68.5 ns
3 Vp-p
qd
IC204
os (AUDIO_X2)
1 V/DIV, 20 ns/DIV
39.8 ns
2.5 Vp-p
qf
IC204
<zv/ (USB_X2)
500 mV/DIV, 10 ns/DIV
21 ns
1.3 Vp-p
1
IC503
8 (XTALO)
500 mV/DIV, 20 ns/DIV
37.2 ns
1.3 Vp-p
2
IC503
<zzc (GPIO)
2 V/DIV, 200 ns/DIV
356 ns
3.4 Vp-p
22.8
Ps
3.4 Vp-p
3
IC503
<zzm (GPIO)
2 V/DIV, 10
Ps/DIV
4
IC503
<zxc (RFIP)
(CD play mode)
500 mV/DIV, 500 ns/DIV
0.9 Vp-p
5
IC705
qf (BCKOUT)
2 V/DIV, 200 ns/DIV
326 ns
3.6 Vp-p
20.8
Ps
3.6 Vp-p
6
IC705
qg (LRCKOUT)
2 V/DIV, 10
Ps/DIV
7
IC705
ea (XOUT)
2 V/DIV, 20 ns/DIV
40.2 ns
3.6 Vp-p
qg
IC902
1 (BOOT)
10 V/DIV, 500 ns/DIV
1
Ps
15.6 Vp-p
qh
IC903
1 (BOOT)
10 V/DIV, 1
Ps/DIV
1.1
Ps
16.8 Vp-p
1.1
Ps
16.8 Vp-p
qj
IC904
1 (BOOT)
10 V/DIV, 500 ns/DIV
• IC Block Diagrams
– MAIN Board –
IC003, 606, 608 MM3411A33URE
IC501 MM3411A12URE
IC907, 1102 MM3571A33URE
IC003, 606, 608 MM3411A33URE
IC501 MM3411A12URE
IC907, 1102 MM3571A33URE
VOUT
3
CE 1
GND 2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
SDA 30
SCL 29
INT 32
VCCI 31
RESET 28
VCCP 27
ADDR 26
GND 25
P00
1
P01
2
P02
3
P03
4
P04
5
P05
6
P06
7
P07
8
P10
9
P11
10
P12
11
P13
12
P14
13
P15
14
P16
15
P17
16
P20
17
P23
20
P24
21
P21
18
P22
19
P25
22
P26
23
P27
24
LP FILTER
INTERRUPT
LOGIC
INPUT
FILTER
I2C BUS
CONTROL
POWER-ON
RESET
SHIFT
REGISTER
I/O
PORT
24 Bits
WRITE PULSE
READ PULSE
IC201 TCA6424ARGJR
IC206 TC74VHC4066AFK (EK)
IC205 BU4229F-TR
–
+
VDD 2
GND 1
VOUT
4
CT
3
VREF
1I/O
VCC
1
14
1C
13
4C
12
4I/O
11
4O/I
10
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
3O/I
9
3I/O
8
IC604 TC7WBL3305CFK, RS
IC505, 609, 851, 906 S-13A1A33-E6T1U3
IC601 S-13A1A15-E6T1U3
IC910 S-13A1A12-E6T1U3
IC601 S-13A1A15-E6T1U3
IC910 S-13A1A12-E6T1U3
VOUT 1
VIN
6
VSS 2
ON/OFF 3
+
–
–
REFERENCE
VOLTAGE
ON/OFF
CONTROL
VSS
5
SSC
4
INRUSH CURRENT
LIMITING
THERMAL
SHUTDOWN
OVERCURRENT
PROTECTION
4
GND
2
A1
VCC
8
3
B1
A2
5
1
OE1
OE2
7
B2
6
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