Schematic Diagram - Main Section (3/4) - Sony HCD-GT22 Service Manual

HCD-GT22/GT44/GT55
7-16. SCHEMATIC DIAGRAM – MAIN Section (3/4) –
1 2 3 4
MAIN BOARD (3/4)
A
B
C
D
2.6
R301
R302
470
10k
0.1 Q301,302
B+ SWITCH
CD-POWER 0.7
E
Q301
2SC3052EF-T1-LEF
Q303
RT1N431C-TP-1
F
0.1
(Page
3.2
38)
3
2
MAIN
1
BOARD
(1/4)
G
35
C361
8
0.1
36
MAIN
BOARD
(4/4)
38
(Page 37
41)
H
IC301
BUS SWITCH
I
IC301
TC74HC4066AFT(EL)
0
3I/O
0
3O/I
0
4O/I
0
4I/O
3.2
4C
3.2
1C
J 3.3
VCC
7
6
4
MAIN
K
BOARD
6
(2/4)
(Page
5
39)
L
HCD-GT22/GT44/GT55
• See page 58 for IC Block Diagrams.
5 6 7
3.3
Q302
KTA1271Y-AT
3.3
Q303,304
B+ SWITCH
3.3 Q304
R333
KTA1271Y-AT
470
2.6
R334
10k
IC302
IC B/D
BUS SWITCH
IC B/D
IC302
TC74HC4066AFT(EL)
0.1
GND
3I/O GND
3.2 0 0
3C
3O/I 3C
3.2 0.1 0
2C
4O/I 2C
0 0 0.1
2I/O 4I/O 2I/O
0 0 0
2O/I 4C 2O/I
0 0 0.1
C362
1O/I 1C 1O/I
0.1
0 3.3 0
1I/O VCC 1I/O
8 9 10 11
IC303
TC74VHC157FT(EKJ)
0
GND
3Y
0 3.3
2Y
3B
R361 10k
0 0.1
2B
3A
0 3.2
2A
4Y
3.3
1Y
4B
0 0.1
C363
1B
4A
0.1
R362 10k 0 3.2
1A
ST
3.3 0
SELECT
VCC
40 40
12 13 14 15
DI
R330 100
DO
SI
SO
R332
100
R327
100
REQ-U
USB-RST
R328
100
R321 100
BUS0-U
R322
BUS1-U 100
R323 100
BUS2-U
R324 100
BUS3-U
R325
BUCK-U 100
CCE-U
R326
100
M-MUTE
C301 1000 10V
R312
100k
R311
100
SBSY
REQ-Z R310 100
CCE-Z R309 100
BUCK-Z R308 100
BUS3-Z R307 100
BUS2-Z R306 100
BUS1-Z R305 100
100
BUS0-Z R304
CD-RST
R303
100
BUS3-U
BUS2-U
BUS1-U
BUS0-U
BUS3-Z
BUS2-Z
BUS1-Z
BUS0-Z
REQ-Z
REQ-U
CCE-Z
CCE-U LM-R R346 100
R345
LM-F 100
R344
BUCK-Z TM-R 100
BUCK-U
TM-F R343 100
E-1
IC B/D
E-2
E-3
IC303
SENS R342 100 TBL_ADDRESS_SENS
DATA SELECTOR
OPEN-SW
R341
100
T-TUNED
T-CE R354 100
T-DO R353 100
T-CLK R352 100
T-DI PLL_DO/STEREO
RDS-CLK
R355
CL001
100k
16 17
CN301
21P
1 DATA
2 CLK
3 DO(RST)
4 DI(CTS)
5 USB-SO(TXD)
6 USB-SI(RXD)
7 BCK
8 A-IN D
9 GATE
10 REQ USB
BOARD
11 ST-REQ
CN907
12 USB-RST
(Page
13 LRCK
33)
14 DVSS
15 DVDD+3.3V
16 BUS0
17 BUS1
18 BUS2
19 BUS3
20 BUCK
21 CCE
CN302
27P
27 DATA
26 CLK
25 GATE
24 ST-REQ
23 A-IN
22 BCK-IN
21 LRCK-IN
20 M-MUTE
19 M-GND
18 VM+7V
17 DVDD+3.3V
A
16 D-OUT
15 D-GND
CD
14 SBSY
BOARD
13 REQ
CN202
12 CCE (Page
11 BUCK
29)
10 BUS3
9 BUS2
8 BUS1
7 BUS0
CD-RST
6
5 A-GND
4 L-OUT
3 DAC-GND
2 R-OUT
1 AVDD+3.3V
M+9V 13
M-GND
M-GND
LM-R
LM-F
B
TM-R
TM-F
DRIVER
E-1
BOARD
E-2 CN701
E-3 (Page
31)
D+3.3V
OPEN_SW
1
TUNER-L
1
+9V ANTENNA
TUNER-R
Ω
FM75
TUNER(FM/AM) (COAXIAL)
TU-GND
( )
SUPPLID WITH
TUNED
THE ASSEMBLED
PLL_CE AM
BLOCK
PLL_DI
PLL_CLK
9