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
33
33
7-10. SCHEMATIC DIAGRAM - USB R Board -
• See page 36 for Waveforms. • See page 58 for IC Block Diagrams. • See page 60 for IC Pin Function Description.
C
5V REG
BOARD
BOARD
E
MIC
BOARD
CN802
D
MAIN
BOARD
(3/4)
CN301
11
R986
100
DATA
R985
100
CLOCK
C930
0
C919
0.1
CLOCK
DATA
CLK
DATA
R970
R971
R972
R973
R974
R975
R976
R977
R979
R978
R932
R982
R984
RB922
RB921
RB923
RB924
C907
C906
C921
R901
C901
R937
R983
C902
JR902
C903
C922
R907
R90
6
R905
R904
R903
R902
R917
R915
R913
C908
R919
C909
R916
C910
C912
R944
R943
R942
R941
C905
C904
R933
R934
R938
C915
C913
C914
R981
R922
R924
R923
R921
IC921
R926
R925
C920
IC915
C916
R920
CN907
CN903
CN901
FB902
FB901
D902
C917
R945
R947
IC901
R928
D901
X901
R950
100
100
100
100
100
100
100
100
100
100
100
100
100
47
47
47
47
0.1
0.1
0.1
10k
0.1
100
100
10
16V
0
10
16V
0.1
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
0
10k
100k
0.1
100
22p
0
22p
10p
100k
100k
100k
100k
0.1
10
16V
0
10k
100
0.1
0.1
0.1
100
100k
27
27
100k
IS61LV6416-10T
15k
15k
0.1
R5523N001BTR-F
0.1
10k
21P
5P
2P
4.7k
4.7k
0
9MHz
4.7k
A13
A14
A15
D0
D1
D2
D3
D4
D5
D6
D7
RD
WR
LB
UB
SRAM-CS
A8
A9
A10
D7
D4
D5
D6
WR
D0
D1
D2
D3
SRAM-CS
A11
A12
A13
A14
A15
LB
UB
RD
A7
A8
A9
A10
A11
A12
A4
A5
A6
D12
D13
D14
D15
A4
A5
A6
D8
D9
D10
D11
D12
D13
D14
D15
BUS0
BUS1
BUS2
BUS3
BUC
K
CCE
USB-SI
USB-SO
DO
USB
-RS
T
LRC
K
BCK
REQ
ST-REQ
A-IN
GATE
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DO
DI
USB-SO
USB-SI
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
DI
A7
A16
A16
A1
A2
A3
A1
A2
A3
D11
D10
D9
D8
EN
FLG
EN
FLG
MC2837
220
6.3V
TMP92CD28AFG-6UJ5
MC2837
D+
D-
AM0
DVSS
DVSS
RVO
UT1
RVIN
RVI
N
RVO
UT2
DVSS
DVSS
DVS
S
AM1
X2
DVS
S
X1
VBUS-5V
DVDD+3.3V
DVSS
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
USB-RST
ST-REQ
REQ
GATE
A-IN
BCK
VBUS-GND
DI(CTS)
DO(RTS)
USB-SI(RXD)
USB-SO(TXD)
NC
A6
A5
A4
A3
NC
I/O8
I/O10
I/O11
VDD
GND
I/O12
I/O13
I/O14
I/O15
A2
A1
A0
I/O9
NC
A7
A8
A9
A10
I/O7
I/O6
I/O5
I/O4
GND
VDD
I/O3
I/O2
I/O1
I/O0
A11
A12
A13
A14
A15
WE
CE
LB
UB
OE
A13
GND
D+
D-
VBUS
EN
GND
OUT
IN
FLG
S-RAM
VBUS POWER ON/OFF SWITCH
A12
A11
A10
A9
A8
DVCC
A7
A6
A5
A4
A3
A2
A1
A0
D15
D14
D13
D12
D11
D10
D9
D8
DVCC
D7
D6
D5
D4
D3
S2
D1
D0
DVS
S
DVCC
DVCC
DVS
S
NO USE
NO USE
NO
USE
DVCC
G-3
NO USE
NO
USE
DI
G-2
G-1
ST-REQ
REQ
DVCC
GATE
DATA
BCK
SCL
SDA
NO USE
RXD1
TXD1
CLOCK
DATA
DO
NO USE
USBPON
USBOC
DVCC
BOOT
NO USE
SRL
UB
SRL
LB
RD
WR
CS2
DVCC
NO USE
/CCE
/BU
CK
BUS3
BUS2
BUS1
BUS0
A16
A15
A14
USB CONTROLLER
LRCK
/RESET
(Page 40)
(Page 43)
(Page 41)
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
34
34
7-11. PRINTED WIRING BOARD - TC Board -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
Ref. No. Location
• Semiconductor
Location
D301
B-1
D401
B-3
IC301
B-1
IC401
B-3
Q301
C-1
Q302
C-2
Q303
C-2
Q304
C-2
Q305
C-3
Q306
C-3
Q401
C-3
Q402
C-2
Q403
C-2
Q404
B-3
Q405
B-3
Q406
B-3
Q407
C-1
Q408
A-4
Q409
A-3
Q410
B-3
Q453
B-4
Q454
B-4
Q455
B-4
IC301
IC401
D401
Q303
Q402
Q301
Q401
Q302
Q408
Q304
Q306
Q404
Q410
Q405
Q407
Q406
Q454
Q305
Q403
Q409
C355
C354
C353
C352
C328
C327
C324
C323
C316
C315
C304
C303
C302
C301
C466
C462
C461
C433
C430
C418
C417
C416
C414
C413
C412
C41
1
C406
C405
C404
C403
JR316
JR315
JR313
R351
R350
R349
R349
R326
R325
R324
R323
R322
R321
R320
R319
R318
R317
R316
R315
R314
R313
R312
R31
1
R310
R309
R308
R307
R306
R305
R304
R303
R302
R301
R487
R486
R484
R483
R482
R481
R464
R463
R462
R461
R461
R459
R458
R457
R456
R455
R454
R453
R452
R451
R450
R449
R444
R443
R442
R441
R440
R438
R437
R436
R435
R434
R433
R432 R431
R430
R429
R428
R427
R424
R423
R414
R413
R412
R411
R408
R407
R406
R405
R404
R403
R402
R401
D301
JR305
JR320
JR303
JR319
JR308
JR318
JR307
JR301
JR309
JR302
JR31
1
JR304
JR310
JR317
JR306
B
E
B
E
1
2
10
11
3
1
18
Q455
Q453
C356
C351
C350
C330
C329
C318
C317
LP302
LP301
T001
C460
C456
C454
C453
C452
C410
C409
C402
C401
CN008
CN301
CN302
JW301
JW320
JW316
JW306
JW309
JW315
JW304
JW303
JW317
JW305
JW319
JW313
JW307
JW302
JW31
1
JW310
JW318
JW321
JW308
W302
W301
JW312
B
E
E
BE
B E
GS
GS
1
4
58
BE
BE
B
E
E
14
5
8
8
B
E
E
B
E
E
BE
B
E
B
E
E
G S
G S
1-872-797-
11
(11)
TC BOARD
J
MAIN BOARD
CN202
HRPE1
REC/PB/
ERASE HEAD
(DECK-B)
HP1
(PB HEAD)
(DECK-A)
D
D
D
D
E
E
A
B
C
1
2
3
4
(Page 37)
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
35
35
7-12. SCHEMATIC DIAGRAM - TC Board -
• See page 36 for Waveforms.
BOARD
(2/4)
J
MAIN
CN202
21
22
0.7
<<0.7>>
{0}
0.1
<<0.1>>
{6.6}
0<<0>>
{6.8}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
0.1
<<0.1>>
{6.6}
4<<4>>{4.2}
0.1<<0.1>>{6.6}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
0.1<<0.1>>{6.6}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
3.3
<<3.3>>
{6.8}
3.3
<<3.3>>
{6.8}
0.1
<<0.1>>
{6.1}
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<4>>{4.2}(-3.6)
0<<0>>
{4.2}
4<<4>>{4.2}
0.3(8.6)
0.3(5)
0.3(0.8)
0(0.2)
9.1(7.9)
(8.6)9.1
7.7<<7.7>>{8}
0
4
<<4>>
{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4<<4>>{4.2}
7.7<<7.7>>{8}
4<<4>>{4.2}
4<<4>>{4.2}
0
<<0.1>>
{6.8}
(-10.5)0
<<0>>{5.4}
4<<4>>
{4.2}
3.5(4.2)
<<4>>
(3.8)
3.5<<3.5>>
(4.2){3.8}
4<<4>>
{4.2}
(0.7)0
9.1(0)
0
3.1
4<<4>> {4.2}
4<<4>>{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
7.7
<<7.7>>
{8}
3.5
(4.2)
<<3.5>>
{3.8}
4<<4>>{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
0
0
<<0>>
{4.8}
(-10.5)
16V
47
C452
1
2
3
4
5
6
7
8
9
10
11
11P
CN008
NC
DECK-D-GND
O-BIAS
REC-MUTE
+9V
REC/PB SW
REC-L
REC-R
A-GND
PB-R
PB-L
50V
0.1
C401
50V
0.1
C402
0.1
C430
47p
C403
47p
C404
10p
C411
10p
C412
0.01
C417
0.01
C418
470k
R411
470k
R412
220k
R413
220k
R414
150k
R423
150k
R424
220p
C405
220p
C406
220p
C413
220p
C414
6.8k
R407
6.8k
R408
50V
10
C409
50V
10
C410
10
R427
10
R428
0.01
C433
47k
R442
10k
R451
10
R455
MC2838-T112-1
D401
2SC3052EF-T1-LEF
Q404
2SC3052EF-T1-LEF
Q403
2SC3052EF-T1-LEF
Q401
2SC3052EF-T1-LEF
Q402
2SC3052EF-T1-LEF
Q454
4.7k
R453
4.7k
R454
4.7
R458
0.001
C453
22k
R457
6800p
C454
0
R459
0.01
C456
2.2k
R461
2.2k
R462
1k
R463
1k
R464
470p
C462
470p
C461
0
R487
22
R449
22
R450
22
R456
2SC3052EF-T1-LEF
Q408
47k
R482
10k
R481
0
JR313
0
R483
2.2k
R484
100
R349
10k
R435
10k
R436
2.2k
R437
2.2k
R438
100k
R443
10k
R444
50V
10
C356
1k
R431
47k
R433
4700p
C466
10k
R429
4700p
C416
47k
R434
1k
R432
10k
R430
0
R350
0
R441
4.7k
R307
4.7k
R308
0.01
C355
100
R315
100
R316
47k
R303
47k
R304
1000p
C303
1000p
C304
220k
R306
+
-
NJM4558V-TE2
IC401(1/3)
3
2
1
+
-
NJM4558V-TE2
IC401(2/3)
5
6
7
NJM4558V-TE2
IC401(3/3)
8
POWER
4
GND
1000p
C302
47k
R301
47k
R302
1000p
C301
+
-
NJM14558V-TE2
IC301(1/3)
3
2
1
+
-
NJM14558V-TE2
IC301(2/3)
5
6
7
NJM14558V-TE2
IC301(3/3)
8
POWER
4
GND
6800p
C323
6800p
C324
470
R310
470
R309
47
R313
47
R314
220
R311
220
R312
22k
R319
22k
R320
4.7k
R323
4.7k
R324
470k
R317
470k
R318
47p
C315
47p
C316
50V
22
C318
50V
22
C317
220p
C327
220p
C328
16V
220
C350
0.1
C353
1k
R351
10V
220
C351
0.1
C352
100
R325
100
R326
1
2
3
4
5
6
7
8
8P
CN302
EH+
EH-
GND
REC-L
PB-L
PB-R
REC-R
GND
1
2
3
3P
CN301
Lch
REF
Rch
MAZ8043GMLS0
D301
220k
R305
0.1
C354
0
R486
100
R321
100
R322
6
2
1
3
5
4
T001
KTA1271Y-AT
Q455
RT1N141C-TP-1
Q409
RT1N431C-TP-1
Q410
S
2SJ461
Q301
S
2SJ461
Q302
0
JR315
0
JR316
KTC3203Y-AT
Q453
S
2SK2158-T2B
Q303
S
2SK2158-T2B
Q304
0.047
C330
47k
R401
47k
R402
47k
R404
47k
R403
47k
R405
47k
R406
47k
R452
10k
R440
0.047
C329
JW312
ISA1235AC1TP-1EF
Q405
ISA1235AC1TP-1EF
Q406
ISA1235AC1TP-1EF
Q407
ISA1235AC1TP-1EF
Q305
ISA1235AC1TP-1EF
Q306
L-CH
R-CH
L-ch
R-ch
+
-
+
-
+
-
ERASE
TC BOARD
A
10
1
2
J
H
B
13
11
C
7
8
I
14
F
9
6
K
4
15
16
3
G
D
5
17
E
12
REC AMP
IC401
REC SWITCH
REC BIAS SWITCH
Q454, 455
REC CONTROL SWITCH
Q409, 410
BIAS OSC
MUTING
BIAS OSC
Q402, 404
CONTROL SWITCH
MUTING
MUTING
Q401, 403
MUTING
MUTING
PB SWITCH(DECK-B)
PB SWITCH(DECK-A)
PB SWITCH(DECK-A)
PB SWITCH(DECK-B)
HRPE1
(REC/PB/ERASE)
(DECK-B)
(PB)
(DACK-A)
HP1
IC301
PB AMP
DECK-A/B SELECT
SWITCH,
REC-PB SELECT
SWITCH
REC SWITCH
BIAS OSC
(Page 39)
HCD-GT220/GT440/GT660
HCD-GT220/GT440/GT660
36
36
• Waveforms
– CD Board –
IC101 JB (RFi)
(CD play mode)
(CD play mode)
200 mV/DIV, 500 ns/DIV
0.5 to 1.3 Vp-p
IC101 XG (XO)
(CD play mode)
(CD play mode)
1 V/DIV, 20 ns/DIV
59.1 ns
3.3 Vp-p
RB
IC901 VE (X2)
1 V/DIV, 50 ns/DIV
111 ns
3.7 Vp-p
XT
Q453 (Collector) (REC mode)
5 V/DIV, 20
μs/DIV
30.4
μs
10 Vp-p
FB
IC901 PB (XT2)
1 V/DIV, 20
μs/DIV
30.4
μs
2 Vp-p
50 ns
1.6 Vp-p
FT
IC901 PG (X2)
1 V/DIV, 20 ns/DIV
FE
IC901 JI
(O-NJM3427A2-CLK)
(O-NJM3427A2-CLK)
2 V/DIV, 2
μs/DIV
3.2
μs
3.3 Vp-p
800 ns
3.2 Vp-p
SB
IC701 SI (XTb)
2 V/DIV, 500 ns/DIV
XB
Q453 (Base) (REC mode)
1 V/DIV, 20
μs/DIV
30.4
μs
2.1 Vp-p
– TC Board –
– PANEL Board –
– USB R Board –
– MAIN Board –
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