Sony HCD-GPX33 / HCD-GPX55 / HCD-GPX77 / HCD-GPX88 Service Manual ▷ View online
HCD-GPX33/GPX55/GPX77/GPX88
21
MB Mount Diagnosis Flow (2/2)
END
Checks OUT
T
erminal 5V output of REG IC1009 or
,
Checks GND and OUT
T
erminal with
Tester
.
Is it shorted out?
Assembles into the unit again then ,checks
whether there is the audio output from
MB Board.
Checks circumference circuit of REG IC1009.
If there are no problems, exchanges IC1009.
Checks circumference circuit of REG IC1010.
If there are no problems, exchanges IC1010.
Replaces MB Board
Replaces MB Board
A
B
Yes
Yes
Yes
Yes
No
No
No
No
Checks OUT
T
erminal -5V output of REG IC1010 or,
Checks GND and OUT
T
erminal with
Tester
.
Is it shorted out?
Leave MB to a state of it only and,
checks Power
Audio Driver (MOSFET) with
Tester
.
Is it shorted out?
（
Refer to Page 22).
Ver. 1.1
HCD-GPX33/GPX55/GPX77/GPX88
22
MOSFET Con
fi rmation for MB Mount
Ver. 1.1
IC851
IC1002
IC1001
IC1008
1
12
13
24
IC1502
11
4
78
22
21
29
28
15
30
C20
C
111
8
C1502
C1504
CL891
CL892
C1
121
C1122
C1123
C1318
C1319
C1514
C1516
C1
136
C45
C46
C1526
C48
C1528
C1
145
R622
C1
147
L1004
R624
R1508
C1
149
R1509
C1534
C1537
C1
150
C1538
C1
151
C1152
JL1570
C400
C1542
JL1576
R1137
C1161
C601
C1
162
C1
163
R1523
C1
164
C604
R1524
JL201
R1525
R1332
JL203
R1333
R1334
R838
R1335
R1336
JL206
R1337
JL5022
R1
147
C1558
R1530
R840
R1
148
R1531
R1532
R1533
R1534
C1
174
R1535
R1342
R1344
JL214
R1
151
R1346
R1
153
R1
154
R1349
R1
155
R1
156
R1
157
R850
R851
C1
184
R854
R1351
R1354
JL801
JL802
JL803
R1164
R474
JL804
JL805
JL806
JL807
JL808
JL809
JL422
JL231
JL233
JL234
JL810
R1
170
R1364
JL81
1
JL812
R1
172
JL813
JL814
JL815
JL816
JL817
JL818
R1178
JL819
R1
179
C837
R1370
C839
R1372
R1374
JL244
JL820
R878
R1
180
JL821
R1569
JL822
R1
182
R1377
JL823
R1
183
JL824
R1379
R1570
R1573
R1574
JL831
R1579
R1386
JL832
R1
193
CL547
JL833
R1388
JL834
R1
195
C851
JL835
JL836
C854
R1581
JL1002
C858
R1585
JL1006
R1587
JL264
JL1009
R1397
R1399
JL460
JL1010
JL461
JL101
1
JL462
JL1012
JL463
JL1013
C480
C481
C869
JL273
C873
C876
C877
JL1600
JL1601
CL571
JL1025
JL1602
CL572
JL1603
CL573
CL574
CL576
CL577
CL578
CL579
JL1039
C1005
C1007
C1009
JL681
JL682
JL683
JL1040
JL684
JL685
D837
JL1044
C101
1
CL591
D839
JL1045
CL592
JL1046
JL1047
CL593
JL1048
CL594
R109
JL1049
CL595
CL596
R301
R303
R110
JL1050
R111
JL1051
R112
JL1052
R1
13
R114
R1
15
JL1055
R116
JL1056
R501
R1000
R1001
R505
R311
R1002
R312
R1003
R313
JL1060
D1008
D1009
R1005
JL1061
JL1062
R1008
C1030
JL1067
JL1068
C1034
R510
Q1031
E
C1229
C1035
R705
C1036
2
9
1
8
CN110
R320
Q1034
C1615
E
E
Q1035
C1617
Q1037
E
R1013
C1230
JL1070
D1019
R1015
R325
JL1071
JL1072
R132
R1018
JL1074
R1401
JL1651
JL1652
JL1653
C1237
JL1077
C1620
JL1654
C1238
JL1078
R1405
JL1655
C1239
R1406
JL1656
R1212
R1214
R1020
Q1045
CN509
D1025
R1022
D1026
D1027
R1024
D1028
C1240
JL1080
R1025
JL1081
JL1082
R1026
R1027
JL1083
R1028
C1050
JL1084
C1051
R1029
JL1085
C1052
R722
JL1086
JL1087
C1053
JL1088
C1054
C300
C1055
C301
JL1089
Q1051
E
C1056
R1030
R534
R1031
R1032
R1034
C1
14
JL1090
JL1091
R1612
R1036
R1613
R1037
R1614
R1038
R1615
C1061
C501
C1062
C1063
JL1097
C503
R157
C1064
C31
1
R1232
C1066
C506
R542
C1067
R1428
R1234
C1068
C508
R1429
D1047
R1620 R1621
R1239
R1622
C702
R1623
R1047
R1430
C510
R164
R1431
R1049
R165
R741
R1432
C1266
C1268
R1628
JL1
10
R1240
C320
C1269
JL
111
R1629
C515
JL1
12
C516
JL1
13
C517
R1050
C518
JL1
14
JL1
15
C325
C519
R749
JL1
16
JL1
17
R1053
C1270
R1630
JL1
18
R1054
R1631
R1055
C71
1
R27
C1274
R1058
JL504
R28
C1275
R1059
C521
C715
C1278
C1084
C524
JL121
C1085
C525
JL122
C1086
R1252
C526
JL123
C1087
R1253
C527
JL124
R1254
C1088
C528
JL125
C1089
C529
JL126
JL127
C1280
JL128
R950
C1281
C1282
C916
C1283
R1643
C1284
R1644
C1090
C1285
R1645
C1091
R39
C1286
R1646
C1092
C1287
C1093
C1288
C1289
JL131
JL132
JL133
JL134
JL135
JL136
JL137
C1290
JL138
C731
JL139
C733
C736
JL140
C739
R390
R971
C741
R395
R1086
R972
C742
C743
R1087
R973
R1088
R974
R1089
JL151
JL152
JL154
R594
R1094
R1288
R1095
R1289
R1099
R69
JL353
JL160
R1290
R1291
JL161
JL162
R1292
JL163
JL164
JL165
JL167
JL1
100
JL168
JL1
101
JL169
JL1
103
JL1
105
CL845
JL940
JL170
CL654
JL941
JL171
CL462
JL942
JL172
CL656
JL943
JL173
JL944
JL174
JL175
JL176
Q422
JL177
JL178
JL179
C390
JL181
JL182
JL183
JL184
C395
JL185
JL186
JL1506
JL187
C973
JL1507
JL188
C974
JL1508
JL189
C975
R95
JL1509
C976
JL57
JL190
JL1510
JL191
JL151
1
JL192
JL1512
JL1513
C598
JL1514
C599
JL1515
JL1516
JL1517
JL1518
JL1519
JL390
JL391
C1
102
JL1520
JL395
JL1521
JL396
JL1522
C1107
JL1523
C1108
JL1524
C1109
1
8
CN1502
C1111
1
4
CN1505
C111
2
C1307
C1308
JL1530
JL1531
R1435
D1050
D1052
F001
F002
FB701
FB211
FB213
FB210
FB265
D460
D461
D462
C1510
C1522
C288
R1365
R1437
C750
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
GPX88
GPX77
GPX77/GPX88
GPX88
GPX77/ GPX88
SUBWOOFERS
LED SPEAKERS
R
FRONT
SPEAKERS
R
GPX88
GPX88
GPX88
GPX88
GPX88
GPX88
GPX77
FLASH
PROGRAMMING
FLASH
PROGRAMMING
B2 E2
C1
B1 C2
E1
GPX33/GPX55/ GPX77
GPX55/GPX77/ GPX88
Test
er
Te
st
er
Test
er
Test
er
Test
er
Test
er
<Note>
Please check each channel’
s resistance value for the Coil’
s terminal and Capacitor
’s + and – terminal.
These terminal is equal to resistance value for POWER
AUDIO DRIVER terminal.
Shor
t = NG
Test
er
Te
st
er
HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
23
23
6-1. BLOCK DIAGRAM - CD/USB Section -
SECTION 6
DIAGRAMS
SERVICE,
OPTICAL DEVICE
CD RF AMP
FOCUS/TRACKING ERROR AMP
CD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
IC501
SYSTEM
CONTROLLER
IC100 (1/4)
5CH SYSTEM
MOTOR DRIVER
IC851
AUTO
POWER CTRL
Q891
RFIP
RF_C
1
128
127
127
RF_B
RF_A
RF_D
RF_A
RF_D
2
RF
VOA/A
VOB/B
VOC/C
VOD/D
VOD/D
RF_F
4
VOE/E+G
RF_E
3
VOF/F+H
V2O
10
VC
LDO1
14
LD(780)
AUTO
POWER CTRL
Q881
LDO2
15
LD(650)
FOO
22
VR(780)
DVD_VR
20
CD_VR
19
MSW
23
VR(650)
FCS+
(LO:DVD,HI:CD)MSW
MDI1
13
PD
64M SDRAM
IC504
X501
27MHz
14
FCS–
13
1
TRO
21
TRK+
16
TRK–
15
26
FMO
18
SL+
17
SL–
18
23
DMO
17
SP+
11
SP–
12
9
10
4
V14/VREF0
11
27
DG0, DQ1 – DQ15
RD0 – RD15
PRST#
A0 – A11
RA0 – RA11
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
52 – 55, 57 – 60,
69 - 62
89 - 92, 79 - 74,
88, 73
23 – 26,
29 – 34, 22, 35
XT
ALI
7
BA0
BA0
85
20
BA1
BA1
86
21
RCLK
CLK
72
38
DQM0
LDQM
61
15
DQM1
UDQM
70
39
RAS#
RAS
83
18
CAS#
CAS
82
17
R
WE#
WE
80
16
MUTE
45
28
38
XT
ALO
8
USB CONTROLLER
IC300
31 USBDP_UP
30 USBDM_UP
USB_DP 25
USB_DM 24
2
USBDP_DN1
1
USBDM_DN1
84
/I-HUB-OC-USB B
CN2102
3
2
1
86
/I-HUB-OC-USB A
USB
COMPARATOR
IC280
USBA+5V
USBB+5V
4
USBDP_DN2
3
USBDM_DN2
3
2
1
O-MTK-RESET
57
I-CDM-LOAD-SW
63
I-CDM-UNLOAD-SW
64
O-MTK-SDO
45
I-MTK-SDI
46
I-MTK-CLK
47
I-MTK-XIFCS
56
O-MTK-BUSY
55
IFSDI 40
IFSDO 35
IFSCK 34
IFCS# 42
IFBSY 41
IFBSY 41
O-HUB-RESET
88
O-HUB-VBUS-DETECT
87
VBUS_DET
27
RESET_N
26
X300
24MHz
XTALIN
33
XTALOUT
32
CN2103
1
7
3
5
SF_CS#
_CS
30
1
SF_CK
SCK
33
6
EEPROM
IC502
SO
2
SI
5
SF_DO 31
SF_DI 32
ACLK
ALRCK
ABCK
ADIN
118
L-OUT
ASDATA0
113
14
13
STEREO A/D CONVERTER
IC920
8
L-IN
D+
D-
VBUS
D+
D-
VBUS
R-CH
117
7
112
6
106
9
VOUTL
8
7
VOUTR
STEREO A/D CONVERTER
IC750
2 DATA
1 BCK
1 BCK
3 LRCK
16 SCK
DOUT 9
STEREO A/D CONVERTER
IC900
6 SCKI
7 LRCK
7 LRCK
13 VINL
23
27
AUDIO DSP
IC701
11
22
19
21
19
21
25
23
24
13
13
ASYNCHRONOUS SAMPLE
RATE CONVERTER
IC740
4
6
5
SIGNAL SELECTOR
IC780
2
1
R-CH
61
48 75 76
32 15 16 12
SDIN1
26 SDOUT2
SDA1
SCL1
SDIN2
LRCK
MCLKO
MCLKO
SCLKOUT1
SCLKOUT2
SDOUT1
4
3
XTALO
XTALI
RESET
8
7
STEREO A/D CONVERTER
IC765
16
3
2
2
SCK
DATA
LRCK
VOUTR
1
BCK
VOUTL
2 RCKI
SDIN
RST
SDOUT
LRCKO
BCKO
B
A
Y
SEL
SCKI
LRCK
BCK
LRCK
BCK
DOUT
VINL
VINR
O-DIGITAL-SEL
I-DSP
SDA
I-DSP
SCL
O-DSP-RESET
VOFC+
VOFC-
VOFC-
VOTK-
VOTK+
VOTK+
VOLD+
VOLD-
VOLD-
VOSL+
VOSL-
VOSL-
VINFC
VINTK
VINLD
VINSL+
BIAS
MUTE
VOTR-
VOTR+
VOTR+
L-OUT
R-CH
123
CN681
5
1
2
3
2
3
CDM
X762
12.288MHz
LOAD-
LOAD+
TRAY-IN
TRAY-OUT
LOAD+
TRAY-IN
TRAY-OUT
500mA
5V
B
REC/PLAY
500mA
5V
A
PLAY
GPX55/GPX77/GPX88
GPX88
6LJQDOSDWK
: CD PLAY
: AUDIO
: USB
5FKLVRPLWWHGGXHWR
VDPHDV/FK
: AUDIO
: USB
5FKLVRPLWWHGGXHWR
VDPHDV/FK
MAIN
SECTION
(Page 24)
(Page 24)
A
MAIN
SECTION
(Page 24)
(Page 24)
B
MAIN
SECTION
(Page 24)
(Page 24)
C
MAIN
SECTION
(Page 24)
(Page 24)
D
HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
24
24
6-2. BLOCK DIAGRAM - MAIN Section -
FM DRIVER
(FM RECEIVER)
IC460
FRF1
ARF2
L OUT
R OUT
DA
R-CH
CK
ANTENNA
FM/AM
IIC/RDSI
43
I-ST-RDS
13
12
28
I-ST-DATA
27
I-ST-CLK
O-ANALOG-BSEL
52
O-ANAL0G-ASEL
51
I-MIC-DETECT
91
SYSTEM CONTROLLER
IC100 (2/4)
J2050
MIC
RV2050
MIC AMP
IC2050
L-OUT
L-OUT
SW OUT L
FRONT-L
7
5
1
3
13
I-XIN
11
O-XOUT
X11
8MHz
8
I-X-CIN
9
O-XC-OUT
1
O-RGB-GREEN
24
O-RGB-BLUE
5
O-RGB-SCLK
80
O-RGB-TRANS-LED-SPK
3
O-RGB-SOUT
X9
32.768kHz
1
3
OP AMP
IC950
2
5
11
8
6
6
1
3
OP AMP
IC951
MIC DRIVER
Q2050,Q2051
MIC LEVEL
MIN MAX
MIN MAX
SWITCH SIGNAL
SELECTOR
Q1600
AUDIO IN
R-CH
R
L
J1600
PC/
GAME
R-CH
TV/DVD/
SAT
ARF1
4
CN460
17 X2
16 X1
X460
12MHz
CD/USB
SECTION
(Page 23)
(Page 23)
A
MAIN
SECTION
(Page 24)
(Page 24)
G
CD/USB
SECTION
(Page 23)
(Page 23)
B
AMP
SECTION
(Page 25)
(Page 25)
E
AMP
SECTION
(Page 25)
(Page 25)
F
L-IN
CD/USB
SECTION
(Page 23)
(Page 23)
C
6LJQDOSDWK
: AUDIO
: TUNER (FM/AM)
: MIC
5FKLVRPLWWHGGXHWR
: TUNER (FM/AM)
: MIC
5FKLVRPLWWHGGXHWR
VDPHDV/FK
SIGNAL SELECTOR
IC1600
X0
B
X1
X3
X2
12
9
X 13
A 10
15
14
11
BLUETOOTH AMP.
IC320
-
OUT
RCH_N
RCH_P
LCH_P
LCH_N
BT-RDX
BT-TDX
3.3V
RCH_P
LCH_P
LCH_N
BT-RDX
BT-TDX
3.3V
+
-
6
7
OUT 1
5
+
3
2
2
L-CH
R-CH
R-CH
CD/USB
SECTION
(Page 23)
(Page 23)
D
CN180
4
5
5
2
3
3
8
9
9
12
BLUETOOTH
MAIN
SECTION
(Page 24)
(Page 24)
G
L-CH
R-CH
I-BT-RXD
O-BT-ON
34
21
O-BT-TXD
33
BLUETOOTH
POWER CONTROL
Q355, Q356
LED SELECTOR
IC1502
TRANS
SCK
SCK
SIN
4
3
3
2
LED SELECTOR
IC1501
TRANS
SCK
SCK
SIN
4
3
3
2
/OUT2
GREEN_LED
GREEN_LED
BLUE_LED
RED_LED
GREEN_LED
BLUE_LED
RED_LED
R-CH
BLUE_LED
RED_LED
/OUT1
/OUT0
/OUT0
7
6
5
6
5
/OUT12
/OUT11
/OUT10
17
16
15
16
15
/OUT15
/OUT14
/OUT13
/OUT14
/OUT13
20
19
18
19
18
L
CN1506
2
4
3
3
R
SUBWOOFERS
CN1505
2
4
3
3
R-CH
L
R
FRONT
SPEAKERS
LED
SPEAKERS
GPX77/GPX88
GPX77
GPX88
LED DRIVER
Q422, Q423
CN1504
6
4
4
8
7
7
3
2
2
CN1502
6
4
4
8
7
7
3
2
2
GPX55/GPX77/GPX88
Click on the first or last page to see other HCD-GPX33 / HCD-GPX55 / HCD-GPX77 / HCD-GPX88 service manuals if exist.