Schematic Diagram - Main Board (4/4) - Sony HCD-GT444 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

7-18. SCHEMATIC DIAGRAM - MAIN Board (4/4) -

1 2
MAIN BOARD (4/4)
A
13
20
21
MAIN
BOARD
(2/4)
(Page 37)
B
CN410
13P
JL142
NC 13
C
JL143
12
SW8-OPEN
JL144
SW5-STOCK 11
JL145
SW6-CLOSE 10
JL146
9
SW2
JL147
CD
SW7-CHACK 8
MECHANISM
JL148
DECK
SW1 7
JL149
SW3 6
JL150
D 5
SW-COM
JL151
M1+ 4
JL152
M1- 3
JL153
2
M2+
JL154
M2- 1
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
F
CN420
21P
JL155
CCE 21
JL156
BUCK 20
JL157
19
BUS3
JL158
BUS2 18
G JL159
BUS1 17
JL160
BUS0 16
JL161
DVDD+3.3V 15
JL162
DVSS 14
JL163
LRCK 13
K
JL164
12
USB-RST
JL165
ST-REQ 11
USB JL166
BOARD
REQ 10
H CN907 JL167
9
(Page 33) GATE
JL168
A-IN 8
JL169
BCK 7
JL170
6
USB-SI (RXD)
JL171
USB-SO (TXD) 5
JL172
DI (CTS) 4
JL173
DO (RTS) 3
JL174
w w w
2
CLK
JL175
I
DATA 1
HCD-GT111/GT222/GT444/GT555
• See page 54 for IC Block Diagrams.
3 4 5
Q655-658
REGULATOR
C656
R663
0.1
D651 22k
1N4002B
JR661
R657 R658 R617
0 Q658
2.2 2.2 2.2k
ISA1235AC1TP-1EF
8.5 0 R662
28 33k
8.5
27
26
Q655
KTA1273-Y-AT
25 4.6 R616
8.5 220
Q657
24
ISA1235AC1TP-1EF
7.9
23
4.2
Q656
22
2SC3052EF-T1-LEF
4.7 R613
2.2k
R614 470
3.7
C655 220 10V
R650 47k R651 470
R655 47k
R654 470
4.9 4.7
4.7 4.7 4.7
Q646 Q648
2SA1365-T112-1EF 2SC3440-T12-1F
Q645 Q647
2SA1365-T112-1EF 2SC3440-T12-1F
4.7 4.7 4.7
C697
0.1
R653
4.7 0
R648 47k R649 470 R652
R642 47k R643 470 R647
R646
4.7 4.7
4.7 4.7 4.7
Q641
Q644
2SA1365-T112-1EF
2SC3440-T12-1F
Q640
Q643
2SA1365-T112-1EF
2SC3440-T12-1F
CCE_U
BUCK_U 4.7 4.7 4.7
C698
BUS3_U
0.1
4.7 0
BUS2_U
R656 R641
BUS1_U
47k 470
BUS0_U
Q640, 641, 643-648
MOTOR DRIVE
LRCK
33
ST-REQ
REQ_U
GATE
AIN
BCK
35
x a o
y
C321
0.1
. i
http://www.xiaoyu163.com
6 7 8
IC673
IC B/D
40 DATA SELECTOR
IC673
TC74VHC157FT(EKJ)
37 0 3.3
16
1
SELECT VCC
R673
45 3.3
2 15
1A ST
0 0
14
3
1B 4A
3.3
4 13
1Y 4B
46 3.3 0
5 12
2A 4Y
R672
0
6 11
2B 3A
3.3 0
10
5 7
2Y
3B
0
8 9
GND 3Y
0
R664
2.2k Q671
RT1N431C-TP-1
3.3 INVERTER
R615
10k
IC672 IC B/D
M2+
BUS SWITCH
IC672
TC74HC4066AFT(EL)
Q Q
3 7 6
0 3.3
1 1I/O 14
VCC
0 1C 0
2 1O/I 13
0 0
4C
3 2O/I 12
0 0
4I/O
4 11
2I/O
0 0
5 10
4O/I
2C
0 0
6 3O/I 9
3C
470
M2- 0
7
GND 3I/O 8
47k
47k
470 IC670
M1+ IC B/D
BUS SWITCH
IC670
TC74HC4066AFT(EL)
BUS0 0 3.3
1 1I/O 14
VCC
0 1C 3.3
2 13
1O/I
0 3.3
4C
3 12
2O/I
BUS1 0 0
4I/O
4 11
2I/O
R645
3.3 0
470 5 10
M1- 4O/I
2C
3.3 0
6 3O/I 9
3C
0
7 8
R644 GND 3I/O
47k
BUS2
BUS3
u 1 6 3
39 39
2 4
8 9 9
9 10 11
R666
1.5k
10k
8.3
D623
1N4002B
5.5
Q696
2SC3052EF-T1-LEF
D624 5.2
+5V REGULATOR
1N4002B
10k
REQ_Z
REQ_U
C687
BUS1_U
10
50V
BUS0_U
3 1 5 1 5 0 8 9
R671
10k
BUS3_U 48
BUS2_U
BUCK_Z
CCE_Z
REQ_Z
19
C678 C679
1000 0.1
10V
47
LRCK
BCK
AIN
ST-REQ
GATE
m
c o
.
HCD-GT111/GT222/GT444/GT555
2
8 9 9
12 13 14
27
15
28
29
MAIN
30
BOARD
31 (3/4)
(Page 38)
32
D692
MAZ8056GMLS0
C699
10
50V
CN430
31P
JL205
31 ADCVDD(5V)
JL204
30 R-IN
JL203
29
ADCGND
JL202
28
L-IN
JL201
JW623 27 AVDD(3.3V)
JL200
26
R-OUT
2 4 9 8 2 9 9
JL199
25
DACGND
JL198
24 L-OUT
JL197
23 AGND
JL196
22
/RST
JL195
21 BUS0
JL194
20 BUS1
JL193
19
BUS2
JL192
18
BUS3
JL191 L
17 BUCK
JL190
16
/CCE
JL189 CD
15 BOARD
REQ
JL188 (2/2)
14 SBSY
CN201
JL187
13 (Page 29)
DGND
12
D-OUT
JL186
11 DVDD(3.3V)
JL185
10 VM(7V)
JL184
9
MGND
JL183
8
M-MUTE
JL182
7 LRCK
JL181
6
BCK
JL180
5
AIN
JL179
4 ST_REQ
JL178
3
GATE
JL177
2
CLK
JL176
1 DATA
C642 0.1
JW626
C641
0.1
C451 0.1 C566 0.1