Sony HS75 Service Manual page 61

CN301
GND 1 2 ON_OFF
GND DIM
3 4
VCC12V
5 6 VCC12V
GND 7 8 GND
+5V 9 10 +5V
GND GND
11 12
CONN
+5V
12/9 add D316 ,
close to pin9
R301
Brightness 1K 1/16W
R302
(3) PWM0
1K 1/16W
C301
1uF/25V
+3.3V +3.3V
9/20 ADD
R322
0 1/16W
Q301
PMBS3906
1 R323 LED_GRN
LED_GRN (3)
LED_RED#
LED_GRN# 4.7K 1/16W
R321
R324 1K 1/16W
1K 1/16W
+3.3V
R315 R314
10K 1/16W 10K 1/16W
HP :Changed
R315,R306 NC
R306 22K 1/16W
(3) LBADC1
R307 30K 1/16W
R308 47K 1/16W
R309 22K 1/16W
(3) LBADC2
R310 30K 1/16W
R318 47K 1/16W
9/17 Add R318
R317 4.7K 1/16W
(3) POWER_ON
LBADC2 KEY_MENU-->2.25V
KEY_UP-->2.46V
KEY_MENU+KEY_UP-->1.83V
LBADC1
KEY_DOWN-->2.71V
KEY_OK-->2.46V
R316
4.7K 1/16W
PBIAS
Vcc+12V
C304
VCC5V+
+5V
0.1uF 12/9 d310,d311 change to
SMAL240LVXR0
SMAL240LVXRO
D309
C302
C303
+
100uF/25V 0.1uF
VCC5V+
C328
1uF/25V C308
0.1uF
9/16 Changed D301-D308 From Bav99 to UDZ5.6B
R319
9/16 Changed C322,D301,D307,D308, NC
0 1/16W
9/16 Cancel C314,C321
Q302
PMBS3906 9/17 Add D309,C314
1 R320 LED_RED
LED_RED (3)
4.7K 1/16W
9/17 Changed CN302 from 10 pin to 14pin
+3.3V
C313
R311 0.1uF
10K 1/16W
GND
KEY_ECO
KEY_MENU C323 C315
KEY_UP 1000pF 1000pF
KEY_OK
KEY_DOWN
KEY_INPUT
GND GND
LCD_ON/OFF
61
HS75P Sony
VCC5V+
TO-263
D310
SMAL240LVXRO U301
AIC1084-18CM
(3)
D311
SMAL240LVXRO
+1.8V
+1.8V (3)
C305 C306 + C307
0.1uF 47uF/25V 0.1uF
+3.3V
+3.3V (2,3,5)
TO-263
U302
3 2
VIN VOUT
1
ADJ
+ C309 C310
AIC1084-33M 47uF/25V 0.1uF
CN302
Add R409, 47 ohm
1 2 KEY_ECO
LED_GRN# LED_RED#
3 4
KEY_OK
5 6 KEY_MENU
KEY_DOWN 7 8 KEY_UP
LCD_ON/OFF
9 10
KEY_INPUT
11 12
R409 13 14 +5V
47 1/16W
C314
C316 C317 CONN
SMBDAT (3)
1000pF 1000pF 1000pF
C327
GND GND GND 1000pF
GND
GND
9/20 ADD D312 C327
9/20 ADD D313 C324
GND 9/20 ADD D314 C326
9/20 rename R309 ,
R315
GND
ORANGE
MENU
UP
R410 ON/OFF
SMBCLK (3)
+5V 47 1/16W
Add R410, 47 ohm
C318 C319 C320
C322
C325 C326 1000pF 1000pF 1000pF
1000pF 1000pF 1000pF
GND GND GND GND
GND
GREEN
AUTO
DOWN
GND