Schematic Diagram - Main Board (2/4) - Sony HCD-GT444 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

7-16. SCHEMATIC DIAGRAM - MAIN Board (2/4) -

1 2 3
MAIN BOARD (2/4)
A
13 20
B
21
MAIN
BOARD
(4/4)
(Page 39)
7
8
9
C
11
12
13
14
12
15
MAIN
16
BOARD
(1/4)
D
(Page 36) 17
18
19
E
CN402
9P
DGND 1
F
TXD1 2
T E
L 1 3 9 4 2 2 9 6 5 1 3
RTS1 3
MCU VCC 4
(NC) CLK1 5
RXD1 6
CN VSS 7
RESET 8
GND 9
G
CN403
*
(GT222/GT444/GT555)
JL400
SW LED
1
JL401
METER-IN4 2
JL402
METER-IN3 3
JL403
METER-IN1 4
JL404
METER-IN2
5
JL405
H METER SWITCH 6
JL406
USB LED CTRL 7
JL407
VF 8
JL408
-VFL
9
JL409
VF
10
JL410
C METER LED 11
JL411
DGND 12
JL412
DISPLAY
(Page 45) FL+3.3V 13
BOARD
JL413
I
AD KEY0
CN1101 14
JL414
AD KEY1 15
(GT222/GT444/GT555)
JL415
AD KEY2 16
JL416
VOL 17
JL417
V JOG
18
JL418
FL-RESET
19
JL419
(Page 45) DISPLAY FL-CS 20
BOARD JL420
CN1107 FL-DATA 21
JL421
FL-CLK
J (GT111) 22
JL422
SIRCS
23
JL423
LED1 24
JL424
LED2 25
JL425
LED3 26
JL426
LED CTRL
27
JL427
STBY LED 28
JL428
EVER+3.3V 29
JL431
LED GND 30
JL432
LED+9V
K 31
∗ CN403
25P (GT111)
31P (GT222/GT444/GT555)
w w w
HCD-GT111/GT222/GT444/GT555
• See page 54 for Waveforms. • See page 57 for IC Pin Function Description.
4 5 6 7
∗ R392 ∗ R393
0 (GT111) 150 (GT444: UK)
330 (GT222) 330 (GT111: E3)
680 (GT444) 4.7k (GT111: RU, E2, E51, AR/GT222: RU, E2, E51, MX, AR/GT444: RU, E2, E51, MX, AR/GT555)
1.5k (GT555)
∗
R493
0 (GT111: AEP/GT222: AEP/GT444: AEP)
150 (GT111: RU/GT222: RU//GT444: RU/GT555: RU)
680 (GT222: MX/GT444: MX/GT555: MX)
1k (GT111: E2, E51, AR/GT222: E2, E51, AR/GT444: E2, E51, AR/GT555: E2, E51, AR)
4.7k (GT111: E3/GT444: UK)
(GT111: AEP/GT222: AEP/GT444: AEP, UK)
R483 MA2J1110GLS0
220k
(EXCEPT GT111: AEP/
(GT111) GT222: AEP/GT444: AEP)
C483
1000p
(GT222/GT444/
GT555)
(EXCEPT GT111: AEP/
GT222: AEP/GT444: AEP, UK)
R581
0.047
R492
4.7k
80 79 78 77 76 75 74
R481
1k
R381
15k
3.3
81
0 <<1.3>>
{3.3} (0)
82
2
83 OVERVOLTAGE
84 0
84 METER IN2
85 3.3
R204 85
FL-DRIVER-CLK
33k
86 0
86 FL-DRIVER-DATA
87 3
87 FL-DRIVER-CS
C201 88 3.3
2.2 88 FL-DRIVER-RESET
50V 0
89 VACS IN
R490 100
90 3.3
90
OPERATION DIAL
31 91 R491 100 JL092 3.3
91 MASTER VOL
34 0.8
92 MODEL-IN
∗
R493 2.8
93
DEST-IN
R494 470 JL093
33 94 3.3
94
AD-KEY2
32 95 R495 470 3.3
95 AD-KEY1
9
96 AVSS
12 97 R497 470 3.3
97 AD-KEY0
3.3
98
VREF
3.3
99 AVCC
100 0
100 METER-IN1
METER-IN3
3 R397 15k
R395 15k
2
1 2 3 4 5 6 7
1 R394 15k
100 1
84 2
81
32
70
80
R391
10k X402
97 5MHz
95
3
94
4 R404 100
91
R627 47k
90
R628
10k
88 3.3
87 Q627
KTA1271Y-AT
86 3.3
85 3.3
4
3.3
Q628
79
RT1N431C-TP-1
R390
78 4.7k
Q627, 628
77 B+ SWITCH 0
73
72
x a o
y
. i
http://www.xiaoyu163.com
8 9 10 11
D468
R463
100
R557
0
73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
STK MUTE
SW SPK RELAY
R450
100
0
PROTECT 50
0
TC_M+9V SW 49
3.3
CD-XRST 48
0 <<0>> {0} (3.3)
CD-MMUTE 47
R446 100
3.3
CD CCE 46
R445 100
3.3
CD CLK 45
0
CD BUS3 44
0
CD BUS2 43
0
CD BUS1 42
0
IC401 CD BUS0 41
0
Q Q
MP3 IREQ 40
SYSTEM CONTROLLER 3 0 7 6
AD SUPPLY SW 39
IC401
3.3
R5F3640MDFA 38
USB RTS0
0
USB SEL-SW 37
3.3
USB RXD0 36
3.3
USB TXD0 35
3.3
USB CTS0 34
3.3
USB RESET 33
R432 100
0.1
MC RXD 32
3.3 R431 100
MC TXD 31
IIC-DATA
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
31
C428
R428 1k
0.047
C427
R427 1k
0.047
C426
R426 1k
0.047
C425
R425 1k
0.047
C424
R424 1k
0.047
C423
R423 1k
0.047
C422
C410 R422 1k
0.047
18p
C420
0.1
C412
0.047
u 1 6 3
37 37
2 4
8 9 9
12 13 14 15
R346
10k
D695
MC2837
IC675
S-24CS16A0I-J8T1G
3.3
8 VCC A0
72 R676 7 WP A1
10k
58 1
6 SCL A2
54
3.3
53 5 SDA GND
52
IC675
51
PROTECT
EEPROM
20
3.3
12
Q447 R217
RT1P431C-TP-1 0
LEVEL SHIFT
0 3.3
48
47
R675
46
10k
JL046
45
JL045 BUS3
BUS2
BUS1
BUS0
R440 100 40
3 1 5 1 39 5 0 8 9
R438 100
38
Q215
RT1N441C-TP-1
R218
37
10k
R436 100 36
3.3
R435 100 35
R434 100 34
0
R433 100
33
Q214, 215 D212
34 RESET SWITCH MA2J1110GLS0
33
32
R216 C214
31
22k 0.33
D213
MC2836 R215
10k
3.3
Q214
2SC3052EF-T1-LEF
0
Q211
2SC3052EF-T1-LEF
4.1
R213
100k
9.7 8.7 0
R328 22k
R212 4.1
10k
Q210
R327 22k
10.2
2SC3052EF-T1-LEF
4.7
R326 22k
R325 22k R211 D211
100k MAZ8043GMLS0
R324 22k
R323 22k R210
2.2k
R322 22k
Q210-212
+4V REGULATOR
54
m
c o
.
HCD-GT111/GT222/GT444/GT555
2
8 9 9
16 17 18
C576
0.1
1
2
3
4
C216
1000
6.3V
C215
2 4 9 8 2 9 9
10
50V
C213
10
50V
0.7
22
R214 14
680
23
C211 24
MAIN
10
25 BOARD
50V
(3/4)
26
C212 (Page 38)
0.1
NO468
11P
JL223 (GT111: E2, E3, E51)
AC4
1 (Page
JL224
D TRANS1
2 AC4
BOARD 49)
JL225
CN907
3 AC3
JL226
4 AC3
JL227
VF (GT222/GT444/GT555)
5
(Page
JL228
6 VF E
TRANS2
JL229 BOARD 51)
7 -VFL
CN907
JL230
8 DGND
JL231
EVER10V
9 (GT111: AEP, RU, AR)
JL232 (Page
STBY RELAY
10
F TRANSX
JL233
BOARD 53)
11 AC CUT DETECT
CN907