Sony HCD-MD555 - Power Section

HCD-MD555
— POWER SECTION —
— 59 — — 60 —
RESET
91
CD RESET CHECK
F
(PAGE 56)
SYSTEM CONTROL
IC500(2/2)
66
FL DATA
ENC VOL A
23
VOL
ENCODER
S701
KEY 1
53
FUNCTION
KEY
S703-717,748
ENC VOL B
24
ENC JOG A
25
JOG
ENCODER
S702
ENC JOG B
26
STANDBY LED
7
KEY 2
54
FUNCTION
KEY
S718-733
KEY 3
55
FUNCTION
KEY
S737-747
FUNCTION
KEY
S734-736
SIRCS
47
SIRCS
IC705
LED
DRIVE
Q706
LED
DRIVE
Q707-708
STANBY
POWER ON
MD
ELEVATOR
D701
TIMER LED
8
LED
DRIVE
Q705
TIMER SELECT
D725
D702
X1
39
X2
38
XT1
42
XT2
41
X500
12.5MHz
X501
G
(PAGE 54,56)
I2C DATA
73
I2C CLK
75
I2C BUSY
72
67
FL CLK
62
FL CS1
SD ATA
16
SCK
15
CS
14
RST
13
62
61
12
1
64
63
.
59
33
31
23
.
SEG0
SEG35
.
.
DIG14
DIG15
DIG0
DIG13
GRID
DRIVER
Q701,702
FL DRIVER
(UPPER)
IC701
20
X OUT
21
X IN
OSC
C705
R706
SD ATA
16
SCK
15
CS
14
RST
13
12
11
10
1
64
61
.
59
33
31
23
.
SEG0
SEG35
.
DIG0
DIG1
DIG2
DIG15
GRID
DRIVER
Q703,704
FL DRIVER
(LOWER)
IC702
21X IN
76
FL CLEAR
63
FL CS2
FLUORESCENT
DISPLAY
IC701
FL701
LED DRIVER
IC703
79LED DATA
DATA
15
CLK
16
STB
17
80LED CLK
81LED CS1
CLR
18
82LED CS2
LED DRIVER
IC704
DATA
15
CLK
16
STB
17
CLR
18
83LED CLEAR
UPPER/
LOWER
SWITCH
Q914-917,920,921
Q919
Q918
-33V
SWITCH
Q960,961
VF COM
VF LOWER
VF UPPER
VG(-33V)
FL DRIVER
Q918
Q963
POWER
CONTROL
Q504
+5V
REG
IC960
13
D500
D501
RESET
IC501
13
SUB +5V
SYSCON
D966-969
D960-963
T961
+5V
REG
IC901
13
BACKUP
SWITCH
+5V
REG
IC902
13
+B
SWITCH
Q911,912,913
Q501-503
Q505-507
MD +5V
CD +5V
HEAD +5V
+5V
REG
Q908,909
D302
+3.3V
REG
Q910
D911
D910
D+5V
SYSCON
D +5V
FL DRIVER
+3.3V
MD BACKUP
MD +3.3V
+3V
REG
IC191
D +3V
+7.6V
REG
+5.6V
D900-903
D908
Q990-994
T960
+5.6V
REG
IC900
13
D915
-7V
REG
IC903
23
+10V
REG
+7V
REG
Q900,901
Q903
LED +5.6V
D +7.6V
MD M +5.6V
FL D+5V
TUNER +10V
AU +7V
AU -7V
RELAY
DRIVE
Q964
RY960
AC IN
92
MAIN TR RELAY
RESET
SWITCH
Q500
99
VG POWER
46
AC CUT
D502
43RESET
96MD CD POWER
95MD CD POWER
RESET
IC301
13
D303
RESET
SWITCH
Q301
D308
D305
D306
AC CUT
E
AC DET
I
BD POWER
N
VP
32
VG
VP
32
VG
(PAGE 54)
(PAGE 56)
(PAGE 56)
MD CD POWER
M
(PAGE 58)
16
D703-705,707
D712-714
D718-720
D708-711
D715-717
D721-724
REG
RY961
JW964
JW960
JW963
F960
S960
JW965
US, AEP, UK MODEL US, AEP, UK MODEL
US, AEP, UK MODEL
EXCEPT
US MODEL
US, AEP, UK MODEL
JE, HK,
SP, MY
MODEL
F964
F961
SP, MY MODEL
US, AEP,
UK, JE,
HK MODEL
JW901
VOLTAGE
SELECTOR
US MODEL