Sony HCD-GTR33 / HCD-GTR55 / HCD-GTR77 / MHC-GTR33 / MHC-GTR55 / MHC-GTR77 Service Manual ▷ View online
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
17
17
6-3. BLOCK DIAGRAM - AMP Section -
LINE AMP
IC252
POWER
AMP
IC800
MUTING
Q402
OVER LOAD
DETECT
Q801
OVER LOAD
DETECT
Q800
OVER LOAD
DETECT
Q802
R-CH
MUTING
Q430
LINE AMP
IC253
–1
–2
MUTING
CONTROL
Q670
LINE MUTE
58
STK MUTE
51
13
16
18
15
1
3
6
SW SPK RELA
Y
52
FAN MOTOR
DRIVE
Q697, 699
RY800
+
–
–
+
+
RY500
D807
TH802
M
M101
(FAN)
PHONES
+
–
SUBWOOFER
SUBWOOFER
JK500
RELAY
DRIVE
Q500
FR SPK RELA
Y
53
PROTECT
50
RELAY
DRIVE
Q502
R-CH
J702
SYSTEM CONTROLLER
IC401 (3/4)
: AUDIO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
DC
DETECT
Q803, 806
THERMAL
DETECTOR
Q807, 808
R
L
FRONT
SPEAKER
JK800
+
–
–
+
+
R
L
SATELLITE
SPEAKER
JK801
FAN ON/OFF
38
BASS AGC
HP DET
OUT
SW OUT
BUFFER
Q431
AC CUT
DETECT
Q501
PROTECT DETECT
Q809, 811
AC DETECT
PROTECT
(GTR77)
(GTR77)
(GTR33/55)
MUTING
Q425
11
4
J
(Page 16)
F
(Page 16)
D
(Page 16)
E
(Page 16)
G (Page 18)
+
–
+
–
JK501
H (Page 18)
POWER
AMP
IC800
16
19
21
18
11
14
8
(GTR55/77)
(GTR33)
Ver. 1.3
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
18
18
6-4. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
REMOTE CONTROL
RECEIVER
IC1100
FL1100
VACUME
FLUORESCENT
DISPLAY
94 SW/USB CTRL
FLUORESCENT INDICATOR
TUBE DRIVER
IC1101
SYSTEM CONTROLLER
IC401 (4/4)
F955
(MX)
(EXCEPT MX)
R955
RECT
D902, 903
D904, 905
D904, 905
PROTECT
DETECT
Q606
RECT
D610 – 613
LED-VOL1. 2
LED-VOL3. 4
LED-VOL5. 6
LED-VOL3. 4
LED-VOL5. 6
S1100 – 1109,
S1110 – 1119,
S1124 – 1133,
S1302
54
STBY RELAY
RESET SWITCH
Q210, 214, 215
D213
+3.3V
FL +3.3V
83
OVERVOLTAGE
20
AC CUT
12
RESET
85 MASTER VOL
SG5/KS5 –
SG24/KS24
SG24/KS24
14 – 33
D1105 – 1107, SEL A
D1108 – 1110, SEL B
D1108 – 1110, SEL B
(STREAM)
LED DRIVE
Q1122
80 USB-LED CTRL
LED DRIVE
Q1121
D1104
SUBWOOFER
95 STBY LED
AD KEY0
4 SIRCS
D1011
I/1
STANDBY
ROTARY
ENCODER
MASTER
VOLUME
VOLUME
S1301
DIN
FL-DRIVER-DATA
2
3
CLK
FL-DRIVER-CLK
1
2
STB
FL-DRIVER-CS
3
1
86
91
90
91
90
74
97
87
84
97
87
84
POWER/DISPLAY-KEY
AD-KEY0
AD-KEY1
AD-KEY2
AD-KEY0
AD-KEY1
AD-KEY2
(AC IN)
RY901
RELAY
DRIVE
Q903
VOLTAGE
SELECTOR
S901
DVDD +3.3V
D607
D628
D623, 624
FAN
+12V
D908
TUNER +9V,
A+9V
A+9V
M+9V
F956
RECT
D601
F952
F953
F953
F951
F954
F954
RECT
D800
D608
+9V
REGULATOR
IC678
+9V
REGULATOR
IC602
AVDD +5V
+5V
REGULATOR
Q696
VM+9V
+3.3V
REGULATOR
IC603
+4V
REGULATOR
Q211, 212
LED SEL A,
LED SEL B
CD MECHANISM
MOTOR B+
REGULATOR
Q655 – 658
69
LED CTRL
5
CDM-SD
JOG B+
43
AD SUPPLY SW
B+ SWITCH
Q627, 628
–32V
REGULATOR
Q902
AMP
SECTION
B+
FOR
FLUORESCENT
INDICATOR
TUBE
–VFL
VF
VF
VF
PT902
SUB POWER
TRANSFORMER
PT901
MAIN POWER
TRANSFORMER
VCC +3.3V
EVER +3.3V
+VH
–VH
–VH
D1002, 1003
PROTECT
(E2, E51, E4)
(MX, AR)
AC DETECT
GR1 – GR14
34 – 47
LED DRIVE
Q1118 – 1120
USB B
D1000
USB A
USB A
AVDD +1.8V
82
MTK POWER
MONITOR
RF +3.3V
+5V
REGULATOR
IC677
45
MTK OE
USB +5V
(GTR55/77)
D651
METER +5V
+5V
REGULATOR
Q698
D505, 502
B+ SWITCH
Q300 – 303
31
METER LED
CTRL
CTRL
METER
DISPLAY
BLOCK
RECT
D906, 907
+1.8V
REGULATOR
IC111
+3.3V
REGULATOR
IC107
39 METER BL CTL
LED DRIVE
Q230
LED SEL A
LED SEL B
LED SEL B
LED
LED DRIVE
Q231
81 METER SW
72 METER-IN4
77 METER-IN3
79 METER-IN2
METER-IN1
(GTR55/77)
78
+9V
SWITCH
Q684
M+9V
(E4)
RECT
D801
+VL
–VL
–VL
POWER
CONTROL
Q673
SW DRIVER
Q681
49
TC_M+9V SW
+12V REG
IC600
(GTR55/77)
G (Page 17)
H
(Page 17)
Abbreviation
AR :
AR :
Argentina
model
E2 : 120V AC area in E model
E4 :
E4 :
African
model
E51 : Chilean and Peruvian models
MX : Mexican model
MX : Mexican model
Ver. 1.3
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
19
19
• Circuit Boards Location
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.)
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
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.
• 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.
- TC Board -
no mark : TAPE PLAY
no mark : TAPE PLAY
( ) : TAPE REC
- Other Boards -
no mark : TUNER (FM/AM)
( ) : CD PLAY
no mark : TUNER (FM/AM)
( ) : CD PLAY
<< >> : TAPE PLAY
[ ] : TAPE REC
< > : USB
{ } : PC
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
).
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.
F :
F :
AUDIO
f :
TUNER
(FM/AM)
d :
TAPE
PLAY
G :
TAPE
REC
N :
MIC
J
: CD PLAY
c :
DIGITAL
E :
USB
• Abbreviation
AR :
AR :
Argentina
model
E2
: 120V AC area in E model
E4 :
African
model
E51
: Chilean and Peruvian models
MX
: Mexican model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f
• 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
C E
B
These are omitted.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• DMB19 board is multi-layer printed board.
However, the patterns of intermediate layers have not
However, the patterns of intermediate layers have not
been included in diagrams.
TC board
(For African Model only)
(For African Model only)
TRANS board
MAIN board
POWER board
DMB19 board
HUB board
LED (GVX) board
included in METER DISPLAY ASSY
(GTR55/GTR77)
included in DISPLAY PANEL (GVX1) ASSY
(GTR33)
included in METER DISPLAY ASSY
(GTR55/GTR77)
included in DISPLAY PANEL (GVX1) ASSY
(GTR33)
VOL board
USB board
MIC board
DISPLAY board
TUNER (FM/AM)
SW (GVX) board
included in METER DISPLAY ASSY
(GTR55/GTR77)
included in METER DISPLAY ASSY
(GTR55/GTR77)
MOTOR DRIVE board
included in METER DISPLAY ASSY
(GTR55/GTR77)
included in METER DISPLAY ASSY
(GTR55/GTR77)
• Abbreviation
AR :
AR :
Argentina
model
E2
: 120V AC area in E model
E4 :
African
model
E51 :
Chilean and Peruvian models
MX
: Mexican model
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
20
20
6-5. PRINTED WIRING BOARD - DMB19 Board -
Note: When IC102 cannot exchange with single. When this part
is damaged, exchange the entire mounted board.
• See page 19 for Circuit Boards Location.
•
: Uses unleaded solder.
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
DMB19 BOARD (COMPONENT SIDE)
DMB19 BOARD (CONDUCTOR SIDE)
1-881-688-
21
(21)
1-881-688-
21
(21)
1
12
13
48
24
25
36
37
IC201
IC4601
IC4602
IC107
R1177
C144
C156
IC111
R4833
R4834
C4603
C4606
C4602
R4606
R4605
R4602
R4608
R4609
R4611
C4623
C4622
C502
C4626
R521
R606
I
O
FL603 FB603
C215
R233
C212
C214
R226
C211
R220
C233
R212
R225
R221
C209
R223
C219
C224
R608
FB607
R234
R214
C205
R208
R206
R215
C206
R209
C203
R207
R204
R205
R213
R216
C208
R210
E1
E
E2
R115
R112
R113
R113
R120
R121
R118
R109
R110
R123
R256
R124
Q103
Q102
S2
S1
Q101
R116
R117
R111
R108
R1
129
C149
FB108
C179
C180
C191
C181
R122
C1505
R125
C155
C125
R1255
C111
C115
C1
16
C1
19
C168
C169
R1101
C172
R1
150
C150
C175
C151
R1
193
R1
191
R1
194
R1192
R1252
C102
R219
C213
R224
C210
R136
R1184
C195
C192
C193
C154
C145
C146
C127
C126
C108
C1506
C198
C183
R1
178
C188
CL201
CL202
R4835
D005
R1261
R133
C197
R1250
FB1268
FB1267
R1262
R101
CL205
CL204
C1507
C199
C221
C222
C1512
C1513
R1256
R630
R1278
R1279
R1280
IC102
X101
IC101
1
5
1
9
CN601
CN101
CN4602
R103
C603
C1504
C604
RB105
R605
CN1105
CN105
C105
RB106
RB107
R107
RB108
C4608
C608
1
13
R
111
0
R
B111
C112
R1114
C217
C1
18
R1121
R1123
R1123
C124
R142
R246
R247
R1248
R1249
C152
C153
R156 C160
R1
168
C190
CN201
C623
D004
C622
D003
D002
C621
D001
C620
C611
R231
R230
R232
C216
C101
R102
C602
RB1
12
RB1
13
RB1
14
RB1
15
R1263
JL1213
JL1212
JL1203
JL1206
JL1201
JL1207
JL1202
JL1204
JL121
1
JL1209
JL1208
JL1210
JL1205
JL1134
JL1131
JL1132
JL1133
CL1138
CL1139
JL115
JL114
JL113
CL1148
CL1140
CL1141
CL1142
CL1149
CL1147
CL1146
CL108 CL109
CL1151
CL1150
JL1220
JL1218
JL1216
JL1214
CL213
JL215
JL214
JL213
JL212
JL014
CL105
JL010
JL007
JL004
JL006
JL005
JL003
JL002
JL001
JL1106
JL1102
JL1108
JL1112
JL1114
JL1110
JL1116
JL1118
JL1120
JL1115
JL1113
JL1111
JL1105
JL1107
JL1117
JL1119
JL1121
JL1123
JL1122
JL1124
R1151
R1152
R1152
JL202
JL205
JL206
JL203
CL107
JL210
CL206
CL207
CL208
JL1101
R1269
JL012
JL016
JL211
JL201
CL106
R114
C106
C113
CN1106
FB1264
R1275
CL1152
R4837
R4838
IC104
R1277
R1276
JL017
ET004
FB1265
FB1266
ET001
ET002
ET003
R4601
C218
C220
C1514
C1515
C1516
R1281
R1282
R1283
K
MAIN BOARD
CN601
(Page 24)
L
MAIN BOARD
CN692
(Page 24)
DEVICE, OPTICAL
KHM-313CAB/C2NP
MAIN BOARD
CN691
(PAGE 24)
M
HUB BOARD
CN1500
(PAGE 28)
E
DEVICE, OPTICAL
KHM-313CAB/C2NP
Ver. 1.3
Click on the first or last page to see other HCD-GTR33 / HCD-GTR55 / HCD-GTR77 / MHC-GTR33 / MHC-GTR55 / MHC-GTR77 service manuals if exist.