Schematic Diagram - Panel Section - Sony HCD-MX500i Service Manual

5-20. SCHEMATIC DIAGRAM - PANEL Section -

1 2
FL BOARD
A
1 2 4 5 6 7 8 9 10 11 12 13
B
C
C637
22
50V
C633
100p
C636
22
D
16V C632
1000p
C631
47p
52 R628
R629 1k
53
R630 0
54
E R631 0
55
R632 0
JL635
C634
100p
C635
100p
F
G
52
53
55
54
H
C627
0.01
C628
JL634
0.01
R627 R626
I
C629
100 100
0.01
HCD-MX500i/MX550i
• See page 42 for IC Block Diagrams.
3 4 5
ND621
FLUORESCENT INDICATOR TUBE
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
JL636
48 47 46 45 44 43 42 41 40 39 38 37 36
49 VSS
1.5
50 OSCI
1.5
51 OSCO
3.3k 3.3
52 RSTB
3.1
53 CSB
3.2
54 CLKB
IC621
0
55 DIN
3.3
56 VDD FLUORESCENT INDICATOR TUBE
DRIVER
57 P1
IC621
PT6302LQ-010
58 P2
P1
59 AD2
P2
60 AD1
P3
61 SG1
P4
62 SG2
P5
63 SG3
P6
64 SG4
IC B/D
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
D621
MC2836-T112-1
D623
DZ2J062M0L
R625 C626 C625
10k 22 0.01 D622
50V MC2838-T112-1
6 7
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 53 54
Q622
2SC3052EF-T1-LEF
GRID DRIVE
3.3
R633
22k
-22.7
35 34 33
C640
0.01
-22.9
R634
22k
-22.7
GR1 32
P37
SG35 31
P36
SG34 30
P35
SG33 29
P34
SG32 28
P33
SG31 27
P32
SG30 26
P31
SG29 25
P30
SG28 24
P29
SG27 23
P28
SG26 22
P27
SG25 21
P26
SG24 20
P25
SG23 19
P24
SG22 18
P23
SG21 17
L621
100uH
1 2
C623
0
0.022
3
6.4
-1
-2
9 4
Q621
6.4
CPH5504-TL-E
OSC
8 5 0
7 6
T621
DC/DC CONVERTER
TRANSFORMER
39 39
8 9 10
KEY BOARD
R646 R645 R644 R643
10k 4.7k 2.2k 2.2k
S626 S625 S624 S623 S622
FUNCTION
TUNE + TUNE -
SLR-325VCT31P
STANDBY
R651 R650 R649 R648
4.7k
10k 2.2k 2.2k
S632 S631 S630 S629 S628
ENTER TOOL
+
MENU
-
RV621
VOLUME
IC622
ROTARY ENCODER
1
REMOTE CONTROL
RECEIVER
IC622
PNA4823M02S0
2 3
R639
1k
1 2 3
C641
0.1
Q623
RT1P441C-TP-1
LED DRIVE
R640
3.3
10k
R638
2.2k R641
3.3
4.7k
R635
47
C642
1
R621
R622
2.2
2.2k
C621 C645
22 FB621 100
16V 0 16V
HCD-MX500i/MX550i
11 12 13
R642
1k
S621
/
D624
R637 CN624
470 4P
R647
1 STBY_LED
1k
2 KEY1
3 KEY2
S627
4 GND
DSGX
CN622
4P
1 STBY_LED
2 KEY1
3 KEY2
0
4 GND
CN621
13P
JL633
13 VOLUME JOG
JL632
12 EVER+3.3V
JL631
11 KEY_1
JL630
10 KEY_2
JL629
G
9 DGND
JL628
8 SIRCS
JL627
MAIN
7 STBY_LED_R
BOARD
JL626
(1/4)
6 FL/LCD_GND
JL625 CN403
5 FL/LCD +7V
(Page 32)
JL624
4 FL/LCD_RESET
JL623
3 FL/LCD_CS
JL622
2 FL/LCD_DA
JL621
1 FL/LCD_SCLK
C646
1