Sony HCD-GTR88 / MHC-GTR88 Service Manual ▷ View online
HCD-GTR88
HCD-GTR88
33
33
6-16. SCHEMATIC DIAGRAM - MAIN Board (3/3) -
• See page 43 for Waveforms. • See page 44 for IC Block Diagrams. • See page 48 for IC Pin Function Description.
1
2
3
4
AC CUT DETECT
STBY RY
STBY RY GND
EVER+10
1
2
3
4
5
6
7
8
9
10
Fan Supply
VF-
VF+
-VG
AC3
AC3
AC3
AC3
AC3
AC3
MA2J1110GLS0
D010
IC065
IC040
IC200
SI-8001FFEK
IC055
Q696
KTC3228-Y-AT/P
C607
0.1
C606
0.01
C605
0.01
D10XB60 F
D600
JL670
25V
3300
C608
14
18
17
15
18
4
5
JL011
JL014
JL666
JL667
JL665
JL664
JL012
JL013
JL663
JL669
R051
1k
2W
R001
1k
2W
1/2W
1/2W
R608
3.8k
22k
R606
JL680
10
11
0
R609
22k
R607
C041
10V
100
C021
10V
100
0.1
C040
0.1
C602
R104
220k
R154
JR020
0
220k
1
2
3
4
5
6
7
8
9
9P
CN090
AVDD5V
AGND
DVDD5V
DGND
3.3V
MGND
9V
USBGND
USB5V
JL656
JL655
JL654
JL653
JL652
JL651
JL650
JL657
JR687
10V
100
C603
RB055L-40TE25
D081
RB055L-40TE25
D091
10EDB40-TB3
D623
10EDB40-TB3
D624
IO
G
G
KIA7809API-U/PF
KIA7809API-U/PF
A+9V REGULATOR
IC200
IO
FAN 12V REGULATOR
IC040
CN691
4P
50V
10
C699
R103
47k
R153
47k
1k
R036
2SC3052EF-T1-LEF
POWER CONTROL
Q090
MC2838-T112-1
D699
R077
4.7k
R078
4.7k
0.1
C073
2SC3052EF-T1-LEF
FAN MOTOR DRIVE
Q600
R685
2.7k
KTA1271Y-AT
Q602
R684
2.7k
R612
10k
R604
1k
G
R
L
RED
WHT
J020
1
2
3
4
6
5
SI-8008TM-TLS
USB +5V REGULATOR
IC065
VIN
VOUT
GND
INV
STBY
330
R081
470
R082
2.2k
R086
JL681
JL682
2.2k
R083
47uH
L083
22
R005
C005
2200p
JR688
0
JR001
0
0
35V
470
C090
50V
C077
2.2
47uH
L092
1
2
3
4
5
M+9V REGULATOR
VIN
VOUT
GND
INV
STBY
8.2k
R092
0
R093
470
R090
330
R091
150
R002
12k
R079
150
R052
330
R666
470
C083
16V
470
C092
+5V REGULATOR
JL658
JL538
JL092
JL093
100p
C507
100p
C557
0.47
C120
6
1
49
60
PROTECT
75
21
22
43
3
2
31
PC-L
PC-R
USB_5V
PC IN
16
13
7
32
JL618
JL626
1
2
3
3P
CN600
FAN+
FAN+
FAN-
JL679
M101
DC FAN
*R027
*R029
*R026
*R026,
3.3k : AUS, E4
3.3k : AUS, E4
5.6k : E2, E51, MX, AR
*R028
*R028
*R027,
5.6k : AUS, E4
5.6k : AUS, E4
4.7k : E2, E51, MX, AR
*R029
JL047
JL046
JL043
JL041
JL048
JL044
JL049
JL045
JL042
1
2
3
4
5
6
7
8
9
9P
CN220
ST-L
ST+9V
ST-R
GND
TUNED
ST-CE
ST-DIN
ST-CLK
ST-DOUT
52
51
54
53
46
ST-L
ST-R
JL085
JL090
JL081
JL082
JL087
JL083
JL080
JL088
JL089
JL084
JL086
1
2
3
4
5
6
7
8
9
10
11
11P
CN200
M+9V/UNREGULATE
MAIN GND
FL-IN
AGND
FR-IN
PROTECT
STK-MUTE
FRONT RELAY
HP-GND
HP-L
HP-R
D692
MAZ8056GMLS0
FAN MOTOR DRIVE
IC B/D
IC055
9.0
18.6
3.3
8.9
19.0
5.3
0.8
3.6
18.6
14.5
19.0
3.7
7.3
5.6
7.5
0
0
3.6
0
12.1
0.2
12.1
12.1
MAIN BOARD (3/3)
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
SUBTRANS
BOARD
NO1203
(Page 38)
POWER AMP
BOARD
CN1300
(Page 29)
E
D
SUBWOOFER
BOARD
CN804
(Page 40)
B
M
A008
E
(CHASSIS)
ET602
E
(CHASSIS)
ET100
E
(CHASSIS)
MAIN
BOARD
(2/3)
(Page 32)
13
DMB19
BOARD
(3/3)
CN601
(Page 27)
S
MAIN
BOARD
(2/3)
(Page 32)
15
MAIN
BOARD
(1/3)
(Page 31)
11
POWER AMP
BOARD
CN1303
(Page 29)
C
FM 75
:
ANTENNA
AM
TUNER
COAXIAL
(FM/AM)
JL101
JL102
JL103
JL104
JL105
JL106
1
2
3
4
5
6
CN100
10P
CN550
6P
SW RELAY
UNREG/ M+9V
STK MUTE
SW-L IN
AGND
SW-R IN
Q030
Q031
R032
M
R030
M
Q245
Q245,
Q295
Q295
R294
1k
R244
1k
C555
470p
%
R
48
67
60
63
10V
470
C083
470
25v
C081
0.1
C074
0.1
C074
SI-8008TM-TLS
IC075
RB055L-40TE25
D096
35V
470
C095
47uH
L097
1
2
3
4
5
D+3.3 REGULATOR
VIN
VOUT
GND
INV
STBY
1.5k
R097
22k
R099
1k
R096
470
R094
330
R095
10V
470
C097
JL097
JL098
IC075
18.6
14.5
19.0
3.7
0.1
C100
C014
2200p
50V
C277
10
2SC3052EF-T1-LEF
Q033
R229
1k
50V
C227
10
R276
47k
R279
1k
2SC3052EF-T1-LEF
MUTING
RELAY DRIVE
RELAY DRIVE
MUTING
Q220
2SC3052EF-T1-LEF
Q270
R033
1k
R035
1k
2SC3052EF-T1-LEF
Q032
AC-CUT
59
C554
470p
C504
C504
470p
AC-CUT
AC-CUT
AC-CUT
Q290
RT1P141C-TP-1
MUTING CONTROL
2SC3906K-TI46E
RELAY DRIVE
2SC3052EF-T1LEF
2SC3052EF-T1LEF
MUTING
RELAY DRIVE
R295
470k
R296
2.2k
30
0
-3.0
-3.0
0.1
0
0.8
0
0.8
0
2.9
8.9
2.7
2.9
3.3
-3.0
3.7
-3.0
0
-3.0
0
IC B/D
Ver. 1.3
HCD-GTR88
HCD-GTR88
34
34
6-17. PRINTED WIRING BOARD - MIC, VOL and USB Board -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
Ver. 1.1
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
VOL BOARD
MIC BOARD
1
83
NO700
C707
C710
C71
1
ET701
ET702
C713
C716
C720
C724
D700
D701
TP711
TP712
TP713
TP714
R700
R701
R702
R704
R705
R706
R711
R712
R714
R715
R716
R720
R721
R722
R723
R724
R725
C700
C701
C702
C708
C709
C712
C719
C721
C722
JR
JR701
JR
JR704
JR
JR705
C777
C779
IC700
C780
JR
JR707
JR
JR703
C781
C782
JR
JR706
JR
JR708
JR
JR709
JR
JR702
RV700
MIC
LEVEL
J700
MIC
J702
PHONES
MAIN BOARD
CN470
(Page 30)
P
1
4
5
8
1-881-082-
13
(13)
S1301
1
3
NO1103
S1302
R1302
C1301
R1303
R1304
TP0081
TP0082
TP0087
TP0084
TP0083
TP0086
TP0080
1-881-084-
13
(13)
K
DISPLAY BOARD
CN1103
(Page 22)
USB BOARD
ET1000
ET1001
1
4
NO1000
1
93
NO1002
1
4
CN1000
1
4
CN1001
C1003
C1006
D1000
D1002
D1003
D1004
D1005
D1006
D1007
D1008
D1009
TP1005
TP1006
TP1009
TP1010
TP1012
TP1015
TP1017
TP1020
C1002
C1004
C1005
C1007
C1008
C1009
C1010
C1011
C1012
C1013
R1001
R1002
R1004
R1005
R1008
R1009
D101
1
D1013
D1015
D1017
D1018
D1019
JR
JR102
JR
JR103
1-881-083- (13)
13
DISPLAY BOARD
CN1102
(Page 22)
L
HUB BOARD
CN1501
(Page 41)
M
REC/PLAY B
MASTER
VOLUME
VOLUME
PLAY A
HCD-GTR88
HCD-GTR88
35
35
6-18. SCHEMATIC DIAGRAM - MIC, VOL and USB Board -
• See page 43 for Waveforms. • See page 44 for IC Block Diagrams. • See page 48 for IC Pin Function Description.
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
DISPLAY
BOARD
CN1103
(Page 23)
DISPLAY
BOARD
CN1102
(Page 23)
L
HUB
BOARD
CN1501
(Page 42)
M
MAIN
BOARD
(2/3)
CN470
(Page 26)
MIC BOARD
USB BOARD
VOL BOARD
IC B/D
50V
2.2
C720
1.5k
R706
16V
C710
10
RV700
50k
1
3
2
330p
C719
10k
R711
JL702
180p
C722
NJM4558V-TE2
(2/3)
IC700
8
POWER
4
GND
C701
0.1
C721
0.1
6.3V
100
C711
+
-
NJM4558V-TE2
(3/3)
IC700
3
2
1
50V
2.2
C716
1000p
C702
1000p
C708
220k
R714
18k
R712
50V
C724
0.1
JL703
100
R715
+
-
NJM4558V-TE2
(1/3)
IC700
MIC AMP
MIC AMP
MIC AMP
5
6
7
100k
R716
4.7k
R705
4.7k
R704
100k
R701
C700
0.1
MC2840-T112-1
D700
JL710
JL711
JL706
JL709
JL712
JL720
JL718
JL714
JL713
JL717
JL719
JL705
JL722
JL721
JL723
C707
50V
2.2
50V
2.2
C713
TP713
J702
TP712
TP711
C779
0.1
TP714
JL724
MC2840-T112-1
D701
JL716
R700
1k
R702
10k
ET701
ET702
JL708
C712
47p
1
8
3
4
5
6
7
NO700
8P
MIC SIGNAL
HP-R
MIC GND
A+9V
MIC/HP-DET
HP-L
HP-GND
R720
100k
R721
18k
R722
10k
R723
18k
R724
47k
R725
10k
C777
1000p
J700
JL725
JL726
JL727
JL728
JL730
JL731
1000p
C780
C709
220p
220p
C781
C782
1000p
JL732
MIC
5
2
PHONES
3
1
4
(CHASSIS)
E
(CHASSIS)
E
4.4
9.0
4.5
4.5
4.5
4.5
4.5
IC700
TP0086
15k
R1303
22k
R1304
1
2
3
NO1103
3P
DGND
DET SWITCH
VOL
TP0080
TP0082
TP0081
TP0084
S1301
TP0083
S1302
TP0087
10k
R1302
C1301
1000p
DETECT SWITCH
MASTER
VOLUME
MIC
LEVEL
470
R1001
JL1004
JL1003
JL1001
JL1002
470
R1002
1.5k
R1005
1.5k
R1004
470
R1008
470
R1009
4P
CN1000
1
2
3
4
C1004
0.1
10V
C1003
220
C1002
10
MC2840-T112-1
D1007
MC2840-T112-1
D1009
MAZ8068GMLS0
D1019
MAZ8068GMLS0
D1013
MAZ8068GMLS0
D1015
C1013 5p
MC2840-T112-1
D1008
C1005
10
10V
C1006
220
MAZ8068GMLS0
D1018
4P
CN1001
1
2
3
4
MAZ8068GMLS0
D1011
C1007
0.1
MC2840-T112-1
D1006
MAZ8068GMLS0
D1017
TP1009
TP1004
TP1010
TP1007
TP1006
TP1020
TP1005
TP1017
TP1012
TP1015
MC2840-T112-1
D1004
MC2840-T112-1
D1005
JL001
JL002
4
3
2
1
4P
NO1000
SW/USB_LED
LED SEL B
LED SEL A
USB LED CTRL
1
3
4
5
9P
NO1002
USB A+5V
D- A
D+ A
USB A GND
E
ET1001
E
ET1000
6
7
8
9
USB B+5V
D- B
D+ B
USB B GND
1L0351B12C0MXT02
D1003
1L0352V22F3MIT01
D1002
1L0351B12C0MXT02
D1000
C1010
1000p
C1011
1000p
C1009
0.1
C1008
0.1
(BLUE: POWER ON)
(RED: USB ACCESS)
(BLUE: POWER ON)
(CHASSIS)
(CHASSIS)
REC/PLAY B
PLAY A
USB B
USB B
USB A
C1012 5p
P
K
Ver. 1.2
HCD-GTR88
HCD-GTR88
36
36
6-19. PRINTED WIRING BOARD - TC Board - (For African model only)
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
6-20. SCHEMATIC DIAGRAM - TC Board - (For African model only)
TP510
R501
R502
R503
R504
R505
R506
R507
R508
R509
R510
R51
1
R512
R513
R514
R515
R516
R517
R518
R519
R520
R521
R522
R523
R524
R525
R526
R527
R528
R529
R530
R531
R532
R533
R534
R535
R536
R537
R538
R539
C503
C504
R540
C505
R541
C506
R543
R544
R545
C509
R546
C510
C51
1
C512
C517
C519
C520
C521
C522
C523
C524
C525
C526
C527
C528
C529
C530
C531
C532
C533
C534
C535
C536
C537
C538
C539
C543
C545
C546
C548
JR501
JR502
JR503
JR504
JR505
JR
JR506
JR
JR507
JR
JR508
JR509
JR510
JR51
1
JR512
JR513
JR514
JR515
JR516
JR517
JR518
TP501
TP502
TP503
TP504
TP507
TP508
TP509
TP511
TP512
TP513
TP514
TP515
TP517
C549
TP506
TP505
TP518
TP516
L501
CN502
S501
Q501
Q502
C501
C502
C516
ET501
C540
C513
C514
CN501
LP1
102
C542
C515
(REC/PB)
TC BOARD
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
IC501
IC502
TAPE
MECHANISM
1-881-086
13
(13)
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
1
2
8
9
8
1
E
E
JR
JR
JR
MAIN BOARD
CN450
(Page 30)
J
REC
y PB
S501
(CHASSIS)
S501
(REC/PB)
PB
Y
REC
0
R515
100k
R511
100k
R513
0
R516
100k
R512
100k
R514
R540
47
R541
47
R539
4.7
R536
4.7k
R535
4.7k
R534
15k
R533
22k
R503
2.2k
R504
2.2k
2.2k
R501
2.2k
R502
R517
1k
R518
1k
R520
47k
R519
47k
R521
47k
R522
47k
R526
330k
R528
330k
R525
330k
R527
330k
R530
2.2k
R529
2.2k
R531
8.2k
R532
8.2k
R523
3.3k
R524
3.3k
470
R545
470
R546
C517
1000p
220p
C511
220p
C512
47p
C525
47p
C526
C539
1
C538
0.01
C505
0.01
C503
2200p
C504
2200p
C506
0.01
C519
470p
C520
470p
C521
1
C522
1
C532
0.01
C531
0.01
C534
2200p
C533
2200p
C540
4700p
C543
1000p
1
C524
1
C523
C527
470p
C528
470p
C530
330p
C529
330p
16V
47
C516
25V
22
C542
TP501
TP502
TP504
TP503
TP505
TP506
TP508
TP509
TP507
8
7
6
5
4
3
2
1
NJM4558M-TE2
IC501
OP AMM
OUTPUT
INPUT-
INPUT+
GND
INPUT+
INPUT-
OUTPUT
VCC
8
7
6
5
4
3
2
1
NJM4558M-TE2
IC502
OUTPUT
INPUT-
INPUT+
GND
INPUT+
INPUT-
OUTPUT
VCC
220
R544
220
R543
270
R509
270
R510
R506
12k
R505
12k
R507
270k
R508
270k
100p
C509
100p
C510
C548
1000p
10V
100
C501
10V
100
C502
1
2
3
4
5
6
7
8
9
CN502
9P
A+9V
PB-Lch
PB-Rch
A-GND
REC-Lch
REC-Rch
M-GND
M+9V
TP-STATE
0.1
C545
0.1
C546
E
ET501
0.1
C549
50V
1
C513
50V
1
C514
TP518
16V
47
C515
1
2
3
4
5
6
7
8
8P
CN501
TO TAPE
MECHANISM
9V
M-GND
SW
EH
VREF
Lch
COM
Rch
TP510
TP511
TP512
TP513
TP514
TP515
TP516
TP517
R537
10k
R538
10k
2200p
C537
C536
2200p
2200p
C535
KTC3198GR-A
Q501
KTC3198GR-A
BIAS OSC
BIAS OSC
Q502
6
2
1
3
5
4
L501
BIAS OSCILLATION
TC BOARD
MAIN
BOARD
(2/3)
CN450
(Page 32)
J
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
IC501
OP AMP
IC502
4.5
4.5
9.0
4.5
4.5
4.5
4.5
4.5
4.5
9.0
4.5
4.5
4.5
4.5
0
0
0
0<<0.3>>
0<<0.3>>
0<<0.3>>
0<<0.3>>
Ver. 1.3
Click on the first or last page to see other HCD-GTR88 / MHC-GTR88 service manuals if exist.