24
24
HTC-NX300
50 – 53
95, 97
KEY1, KEY0
LED BREV, LED BFWD,
LED AREV, LED AFWD
LED A1 - LED A5,
LED G1 - LED G5
37,35,27,25,23,
38,36,28,26,24
20
43
40
18
12
30
29
15
13
LED DRIVE
Q201 – 204
B+ SWITCH
Q101, 105
LED DRIVE
Q207
LED DRIVE
Q106 – 107
S201 – 209,
S211 – 228
IIC-CLK
CLK
CLK, DATA
05
DATA
LED POWER CTRL
SYSTEM CONTROLLER
IC101 (3/3)
LED CD PLAY
LED CD PAUSE
WAKE UP
D209, 210,
D213 – 215
D201 – 204,
D218 – 225
KEY
ILLUMINATION
A+5V
VIDEO CD
SECTION B+
M+12V
CD SERVO
SECTION B+
M+7V
LOADING MOTOR
DRIVER (IC702) B+
D+5V
D852 – 854
DIVEO CD
SECTION B+
A–7.5V
TAPE DECK
SECTION B+
A+7.5V
TAPE DECK
SECTION B+
D205 – 208
X-IN
X-OUT
X101
16MHz
IIC-DATA
LED DRIVE
Q205, 206
Q208 – 216
B+ SWITCH
Q103, 104
+5V
REGULATOR
IC852
+12V
REGULATOR
IC855
RESET SIGNAL
GENERATOR
IC102
+5V
(CD)
D211
(CD)
D212
M
+5V
REGULATOR
IC854
+12V
REGULATOR
IC856
RECT
D901, 902
RECT
D903, 904
+12V
REGULATOR
IC857
+12V
REGULATOR
IC501
+7V
REGULATOR
IC853
FAN MOTOR
DRIVE
Q401, 402
+7.5V
REGULATOR
Q852
–7.5V
REGULATOR
Q855
D+5V
OPTICAL
DIGITAL OUT
(IC107) B+
M401
(FAN)
SYSTEM CONTROL
(TO STR-NX300AV)
CN101 (4/4)
AC
18
AC
15
WAKE UP
12
RESET
D
(Page 22)
7-4.
BLOCK DIAGRAM – POWER SUPPLY Section –
Summary of Contents for HTC-NX300
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