Sony MHC-GT22 / MHC-GT44 Service Manual ▷ View online
HCD-GT22/GT44
41
41
HCD-GT22/GT44
7-16. DIAGRAMA ESQUEMATICO – Seção PRINCIPAL (3/4) –
(1/4)
MAIN
BOARD
3
(2/4)
MAIN
BOARD
6
(4/4)
8
BOARD
MAIN
CN907
USB
D
BOARD
CN202
CD
A
BOARD
CN701
DRIVER
B
BOARD
IC B/D
IC B/D
IC B/D
0
3.2
0
0
0
3.2
3.2
3.2
0
0
0
0
3.3
0
0.1
0.1
0
0
3.3
0
0
0.1
0
0.1
0
0
0
3.2
0.1
3.3
3.2
0.1
3.3
3.3
0
0
0
0
0
0
3.2
2.6
0.7
2.6
0.1
3.3
3.3
0.1
3.3
100
R354
100
R303
100
R342
100
R341
10V
1000
C301
100
R353
100
R343
10EDB40-TB3
D301
100
R346
100
R304
100
R344
100
R352
100
R345
10EDB40-TB3
D302
KTA1271Y-AT
Q302
10k
R302
470
R301
100
R326
100
R325
0.1
C361
0.1
C362
0.1
C363
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN302
AVDD+3.3V
R-OUT
DAC-GND
L-OUT
A-GND
CD-RST
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
REQ
SBSY
D-GND
D-OUT
DVDD+3.3V
VM+7V
M-GND
M-MUTE
LRCK-IN
BCK-IN
A-IN
ST-REQ
GATE
CLK
DATA
100
R306
100
R311
100
R308
100
R309
100
R307
100
R305
100
R310
100
R324
100
R322
100
R321
100
R323
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74VHC157FT(EKJ)
IC303
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
14
13
12
11
10
9
8
7
123456
TC74HC4066AFT(EL)
IC301
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
14
13
12
11
10
9
8
7
123456
TC74HC4066AFT(EL)
IC302
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
100
R328
100
R330
100
R332
10k
R334
KTA1271Y-AT
Q304
RT1N431C-TP-1
Q303
470
R333
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN301
DATA
CLK
DO(RST)
DI(CTS)
USB-SO(TXD)
USB-SI(RXD)
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
LRCK
DVSS
DVDD+3.3V
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
100
R327
100k
R355
100k
R312
2SC3052EF-T1-LEF
Q301
10k
R361
10k
R362
CL001
E-3
E-2
E-1
SENS
TM-F
TM-R
LM-F
LM-R
OPEN-SW
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
REQ
CCE-Z
BUCK-Z
BUS3-Z
BUS2-Z
BUS1-Z
BUS0-Z
DO
SO
CCE-Z
BUCK-Z
CCE-U
BUCK-U
BUS2-U
BUS0-U
BUS1-U
BUS2-U
BUS3-U
BUCK-U
CCE-U
CD-RST
REQ-Z
SBSY
M-MUTE
U-POWER
REQ-U
BUS3-U
BUS1-U
BUS0-U
REQ-U
REQ-Z
BUS1-Z
T-CLK
T-DO
T-CE
SI
DI
USB-RST
BUS2-Z
BUS3-Z
BUS0-Z
CD-POWER
SEL2
SEL1
RDS-CLK
T-DI
T-TUNED
1
5
2
6
4
7
35
36
37
38
MAIN BOARD (3/4)
IC303
DATA SELECTOR
IC302
BUS SWITCH
IC301
BUS SWITCH
A
10
1
2
J
H
B
13
11
L
C
7
8
I
14
F
9
6
K
4
15
16
3
G
D
5
17
E
12
Q303,304
B+ SWITCH
B+ SWITCH
Q301,302
+9V
TUNED
PLL_CE
AM
THE ASSEMBLED
FM75
TUNER-R
PLL_DI
SUPPLID WITH
BLOCK
TU-GND
TUNER-L
TUNER(FM/AM)
PLL_DO/STEREO
PLL_CLK
E-2
OPEN_SW
E-3
D+3.3V
TBL_ADDRESS_SENS
LM-R
E-1
LM-F
TM-F
TM-R
M-GND
M-GND
M+9V
13
1
1
9
(COAXIAL)
ANTENNA
(
)
Ω
(Page
42)
(Page
40)
(Page
39)
(Page
34)
(Page
30)
(Page
32)
HCD-GT22/GT44
42
42
HCD-GT22/GT44
7-17. DIAGRAMA ESQUEMATICO – Seçãp PRINCIPAL (4/4) –
7
BOARD
MAIN
(2/4)
4
BOARD
MAIN
(1/4)
MAIN
(2/4)
BOARD
5
(3/4)
8
BOARD
MAIN
L
BOARD
SUB WOOFER
CN501
N1
BOARD
TRANS
CN907
M1
AMP
CN441
BOARD
MAIN
1
(1/4)
BOARD
CN441
AMP
N2
M2
CN907
TRANS
BOARD
BOARD
CN901
USB
BOARD
C
15
0
1.9
0
15.7
15
0
0
15.7
15.7
15
0
0.7
0.1
9.1
0
0.6
0.7
0
0
4.1
4
4.1
4.1
4.1
4
8.4
3.3
3.3
0
0.6
0.6
0
0
4.1
4.1
4.1
4.1
4.1
4.1
3.3
12
15.7
9.1
9.1
15.7
0.3
1.9
8.4
0.2
12
5.4
100
R064
1
12
3
4
5
6
7
8
9
10
11
CN001
12P
AC-F3
-VFL
AC-3
AC-4F
AC-4
VF
VF
D-GND
EVER_10
STBY-RELAY
AC-P
0.01
C026
0.01
C027
2W
1k
R060
100
R063
2W
1k
R059
RT1N141C-TP-1
Q011
22k
R013
25V
2200
C023
0.1
C010
25V
2200
C013
10EDB40-TB3
D012
25V
6800
C008
0.1
C022
I
O
G
TA7809S
IC011
1
2
3
25V
100
C015
I
O
G
TA78033LS
IC006
1
2
3
22k
R010
22
R001
10EDB40-TB3
D011
10EDB40-TB3
D013
10EDB40-TB3
D024
0.1
C021
0.1
C001
10k
R014
I
O
G
TA7809S
IC021
1
2
3
50V
22
C007
25V
100
C025
UDZW-TE17-4.7B
D007
10k
R293
10EDB40-TB3
D023
0.1
C002
MA111-TX
D006
100k
R016
10EDB40-TB3
D014
470k
R052
0.1
C276
50V
4.7
C279
2.2k
R263
10k
R262
50V
10
C259
47k
R267
470
R291
2SC3052EF-T1-LEF
Q252
R252
∗
2.2k
R264
47k
R286
4.7k
R278
22p
C253
16V
47
C258
22p
C254
16V
47
C257
R253
∗
100k
R276
2SC3052EF-T1-LEF
1k
R280
16V
470
C263
470p
C275
R254
∗
50V
4.7
C278
18k
R279
4.7k
R268
470
R255
47p
C251
1000p
C264
10k
R261
470
R256
R251
∗
470
R292
50V
10
C260
47p
C252
2.2k
R281
R274
33k
2SC3052EF-T1-LEF
Q251
RT1P141C-TP-1
Q261
4.7k
R043
1/2W
22
R039
4.7
R046
2.2k
R050
4.7k
R035
2SC3052EF-T1-LEF
Q041
22
R048
KTA1271Y-AT
Q042
2SC3052EF-T1-LEF
Q045
22k
R054
16V
100
C033
50V
4.7
C034
2SC3052EF
-T1-LEF
Q044
1
2
3
3P
CN041
FAN+
FAN-
FAN+
4.7k
R036
220k
R049
10k
R042
JW001
10
R061
2.2
R047
2.2k
R055
KTA1266GR-AT
Q043
22k
R053
1k
R057
2.2k
R051
1k
R045
25V
47
C035
10EDB40-TB3
D021
10EDB40-TB3
D022
E
EP031
22k
R034
1k
R032
22k
R033
4.7k
R037
8p
C277
50V
10
C282
16V
47
100
R265
MA111-TX
D031
D2SB60A-F04
D001
1
2
3
4
0.1
C274
0.01
C273
120k
R285
100k
R277
MC2837
D008
1
2
3
3P
CN002
USB-MONI
AC3-UNREG
GND
+
-
NJM4558V-TE2
IC251(1/3)
3
2
1
+
-
NJM4558V-TE2
IC251(2/3)
5
6
7
NJM4558V-TE2
IC251(3/3)
8
POWER
4
GND
+
-
IC252(1/3)
NJM4558V-TE2
3
2
1
+
-
IC252(2/3)
NJM4558V-TE2
5
6
7
IC252(3/3)
NJM4558V-TE2
8
POWER
4
GND
1
3
4
CN271
4P
SW-SIG IN
SW-SIG GND
SW ON/OFF
MC2836
D036
MC2838-T112-1
D037
MC2838-T112-1
D009
JW002
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN031
GND(AC-3-RELAY)
NC
STK_MUTE
POWER-GND
UNREG 16V
IN-L
AMP-A-GND
IN-R
PROTECT
RELAY_B+
HP R-OUT
HP-GND
HP L-OUT
2SC3052EF-T1-LEF
47k
R289
R290
47k
16V
100
C289
S
2SK2158-T2B
Q046
P-RELAY
PROTECT
FSP-RELAY
R-OUT
SW-ON
ACP
SYS-M
STK-M
PROTECT
U-MONI
24
19
14
25
20
15
10
21
16
11
22
17
12
23
18
13
35
37
36
38
9
MAIN BOARD (4/4)
+3.3V REGULATOR
IC006
+9V REGULATOR
IC011
+9V REGULATOR
IC021
BUFFER
IC251
A
19
10
1
2
J
H
B
13
11
L
C
7
8
I
14
F
9
6
K
4
18
15
16
3
G
D
5
17
E
12
SUB WOOFER
SWITCH
MUTING
IC252
LINE AMP
MUTING CONTROL SWITCH
(GT44)
MUTING
MUTING
∗
R254
10k(GT22)
4.7k(GT44)
5.6k(GT22)
∗
R252
2.7k(GT44)
∗
R253
10k(GT22)
4.7k(GT44)
∗
R251
5.6k(GT22)
2.7k(GT44)
2.7k(GT44)
PROTECT DETECT
Q043-045
FAN MOTOR DRIVE
B+ SWITCH
Q041,042
FAN MOTOR DETECT
(GT22)
(GT44)
(GT22)
(GT44)
(CHASSIS)
+
M001
-
(FAN)
M
C283
M
N
11EQS04-TB5
D005
50V
10
C031
0.1
C030
0.1
C029
VCC
GND
OUT
BA50BC0T
IC007
1
3
2
50V
C032
10
4.7k
R008
4.7k
R009
GND
USB-MONI
AC3-UNREG
5V REG BOARD
+5V REGULATOR
IC007
1
3
~
~
VBUS-GND
VBUS-5V
FAN+
(Page
41)
(Page
40)
(Page
39)
(Page
40)
(Page
39)
(Page
33)
(Page
50)
(Page 46)
(Page 48)
(Page 56)
(Page 58)
HCD-GT22/GT44
43
43
HCD-GT22/GT44
7-18. PLACA DE CIRCUITO IMPRESSO – Placa MIC –
: Utilizada solda sem chumbo
.
1
4
5
8
BE
Q801
IC801
C828
C824
C823
C822
C821
C817
C815
C812
R846
C809
R845
R844
C807
R843
C806
R842
R841
C803
C801
R832
R831
R824
R823
R822
R821
R817
R816
R815
R814
R813
R812
R811
R810
R809
R808
R807
R806
R805
R804
R803
R802
1
5
1
4
ET803
RV801
J801
JW807
JW804
JW803
JW802
JW806
JW808
JW805
JW809
JW801
D801
J803
J802
ET802
ET801
C827
C816
C814
C813
C811
C810
C808
C805
C804
C802
CN802
(CHASSIS)
(CHASSIS)
(CHASSIS)
CN803
(USB)
1-872-796-
11
(11)
MIC BOARD
MIC LEVEL
MIC
13
1
K
MAIN BOARD
CN061
K
A
E
USB BOARD
CN903
D801
A
K
PHONES
R
L
AUDIO
A
B
C
1
2
3
4
5
6
(Page 38) (Page 33)
HCD-GT22/GT44
44
44
HCD-GT22/GT44
7-19. DIAGRAMA ESQUEMATICO – Placa MIC –
CN903
USB
E
BOARD
K
MAIN
BOARD
(2/4)
CN061
0
0.6
4.6
4.5
4.6
4.5
4.5
4.5
9
4.7k
R802
E
ET801
100k
R803
100k
R804
10k
R805
10k
R806
100k
R807
1k
R808
47k
R809
100
R811
100k
R817
100
R816
0.1
C801
220p
C807
470p
C809
2SC3052EF-T1-LEF
Q801
16V
10
C802
16V
10
C808
50V
0.1
C810
16V
10
C814
1000p
C803
1000p
C806
16V
100
C811
0.1
C817
50V
2.2
C816
220k
R815
220p
C815
47p
C812
10k
R814
50V
2.2
C813
4.7k
R812
4.7k
R813
220k
R810
18k
R842
C821
0.1
C822
0.1
1000p
C823
1000p
C824
470k
R823
470k
R824
1k
R822
1k
R821
E
ET802
+
-
NJM4558V-TE2
IC801
3
2
1
+
-
NJM4558V-TE2
IC801
5
6
7
IC801
8
POWER
4
GND
18k
R845
10k
R846
10k
R843
47k
R844
100k
R841
1k
R831
1k
R832
10V
220
C827
10
C828
L
R
J802
J803
4P
CN803
1
2
3
4
50k
RV801
1
2
3
4
5
5P
CN802
VBUS
D-
D+
GND
SHIELD
J801
0.022
C805
0.022
C804
SLR-342VC3F
D801
E
ET803
AUX-IN-LCH
HP_R-OUT
AUX-IN-RCH
MIC-SIG
O-MIC-DET
A-GND
MIC+9V
LED+9V
USB-LED-OUT
HP-GND
HP-GND
HP_L-OUT
D-GND
MIC BOARD
A
10
1
2
H
B
C
7
8
F
9
6
4
3
G
D
5
E
(CHASSIS)
1
13
(CHASSIS)
MIC AMP
IC801
MIC
LEVEL
MUTING
AUDIO
PHONES
MIC
(USB)
REC
(USB)
(Page 34)
(Page 40)
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