Sony HCD-GT220 / HCD-GT440 / HCD-GT660 / MHC-GT220 / MHC-GT440 / MHC-GT660 Service Manual ▷ View online
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
41
41
7-17. SCHEMATIC DIAGRAM - MAIN Section (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
TRANSFORMER
CN907
M1
AMP
CN441
BOARD
MAIN
1
(1/4)
BOARD
CN441
AMP
N2
M2
CN907
TRANSFORMER
BOARD
BOARD
CN901
USB R
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
12
3
4
5
6
7
8
9
10
11
CN001
12P
-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
KIA7809API-U/PF
IC011
1
2
3
25V
100
C015
I
O
G
uPC3533AHF
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
KIA7809API-U/PF
IC021
1
2
3
50V
22
C007
25V
100
C025
MAZ8047GMLS0
D007
10k
R293
10EDB40-TB3
D023
0.1
C002
MA2J1110GLS0
D006
100k
R016
10EDB40-TB3
D014
470k
R052
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
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
0
C274
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
680 (GT660)
1k (GT220/GT440)
R032
22k
R033
4.7k
R037
8p
C277
50V
10
C282
16V
47
100
R265
MA2J1110GLS0
D031
D2SB60A-F04
D001
1
2
3
4
0.1
C274
C273
120k
R285
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
2
CN271
4P
SW-SIG IN
NC
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
Q272
Q274
IC252
LINE AMP
∗
R279
18k (GT440)
(GT440)
(GT440)
4.7k (GT660)
∗
C273
3300p (GT660)
0.01 (GT440)
∗
R277
22k (GT660)
100k (GT440)
MUTING CONTROL SWITCH
(GT440/GT660)
MUTING
MUTING
∗
R254
10k (GT220/GT660)
4.7k (GT440)
6.8k (GT220)
∗
R252
3.3k (GT440)
4.7k (GT660)
∗
R253
10k (GT220/GT660)
4.7k (GT440)
∗
R251
6.8k (GT220)
3.3k (GT440)
4.7k (GT660)
PROTECT DETECT
Q043 - 045
FAN MOTOR DRIVE
B+ SWITCH
Q041, 042
FAN MOTOR DETECT
(GT220/GT660)
(GT440)
(GT220/GT660)
(GT440)
(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
1
2
~
~
VBUS-GND
VBUS-5V
∗
∗
∗
∗
∗
C276
0.1 (GT440)
0.47 (GT660)
(GT660)
3
4
SW-SIG GND
SW ON/OFF
1
2
AC-F3
NC
(Page 40)
(Page 39)
(Page 38)
(Page 33)
(Page 49)
(Page 45)
(Page 47)
(Page 55)
(Page 57)
(Page 39)
(Page 38)
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
42
42
7-18. PRINTED WIRING BOARD - MIC Board -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
1
4
5
8
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
REC/
ERASE
(USB)
13
1
K
MAIN BOARD
CN061
K
A
E
USB R BOARD
CN903
D801
A
K
PHONES
R
L
AUDIO INPUT
A
B
C
1
2
3
4
5
6
(Page 37)
(Page 32)
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
43
43
7-19. SCHEMATIC DIAGRAM - MIC Board -
CN903
USB R
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 (1/3)
3
2
1
+
-
NJM4558V-TE2
IC801 (2/3)
5
6
7
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
INPUT
PHONES
MIC
(USB)
REC/
ERASE
(USB)
NJM4558V
-TE2
IC801 (3/3)
(Page 33)
(Page 39)
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
44
44
7-20. PRINTED WIRING BOARD - AMP Board (GT220/GT660) -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
Ref. No. Location
• Semiconductor
Location
D401
F-4
D402
F-3
D441
C-6
D443
B-2
D445
B-8
D446
B-8
D447
B-7
D448
B-7
D481
C-7
D483
C-7
IC441
B-6
Q441
C-7
Q442
C-6
Q480
C-5
Q481
D-8
Q482
D-8
Q483
B-9
Q484
B-8
Q485
C-5
Q486
C-6
Q487
C-6
Q488
C-5
Q489
C-8
B
E
B E
B E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B E
B
E
R401
R402
R403
R404
R405
R406
R407
R409
R410
R411
R412
R413
R414
R415
R416
R417
R418
R419
Q480
R420
Q481
R421
Q482
R422
Q483
R423
Q484
R424
Q485
R425
Q486
Q487
Q488
Q489
C402
R440
R441
R442
R443
R444
R445
R446
R447
R448
C411
R453
R454
R455
R456
R457
R458
R459
R460
R461
R462
R465
R466
R469
R470
R479
C443
R480
C444
R481
C445
R482
C446
R483
R484
R485
R486
R487
R488
R489
R490
R491
R492
R497
R498
R499
D441
D443
D481
D483
Q441
Q442
JL405
JL407
JL408
JL415 JL416
JL418
JL419
JL420
JL421
JL438
JL439
D445
D446
JR401
JR402
JR403
1
6
3
1
7
3
+
-
+
-
1
19
1
13
H001
H002
LP401
JK441
C403
C404
C405
C406
C409
R449
C410
R450
CN442
CN443
R467
R468
TH441
R495
R496
D401
D402
RY441
D447
D448
R500
EP401
EP402
L441
L442
C441
C442
C447
C448
C461
C462
C463
C481
C486
CN441
JW401
JW403
JW419
JW420
JW421
JW427
JW431
JW439
JW443
JW448
JW453
JW467
JW468
JW410
JW414
JW424
JW425
JW428
JW430
JW432
JW449
JW461
JW462
JW469
JW409
JW411
JW412
JW413
JW418
JW429
JW451
JW455
JW456
JW457
JW402
JW404
JW433
JW434
JW435
JW436
JW470
JW472
JW405
JW406
JW407
JW415
JW416
JW422
JW423
JW437
JW440
JW441
JW442
JW444
JW445
JW446
JW447
JW463
JW464
JW465
JW466
JW408
JW417
JW426
JW438
JW450
JW452
JW454
JW459
JW471
C413
C414
C451
C452
C453
C454
IC441
(CHASSIS)
(CHASSIS)
AMP BOARD
1-872-052-
11
(11)
R
L
SPEAKER
-2
-1
M1
MAIN BOARD
CN031
P1
TRANSFORMER
BOARD
CN903
Q1
SUB WOOFER
BOARD
CN502
(GT660)
(GT660)
(GT660)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
(Page 37)
(Page 48)
(Page 54)
Note: When replacing IC441, please exchange IC501 of SUB
WOOFER board simultaneously. (HCD-GT660 only)
Ver. 1.1
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