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CAS-1
CAS-1
37
37
5-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
136 SIRCS
AUDIO DSP, SYSTEM CONTROLLER
IC652 (3/3)
REMOTE CONTROL
RECEIVER
IC100
137 SIRCS-IRQ
94
2
SIN
LED DRIVER
IC101
3
SCK
4
SLAT
21
OE
23
REXT
LEDDRV-SIN
6 OUT1
54 LEDDRV-SCK
51 LEDDRV-LAT
33 LEDDRV-XOE
53 LED-BRIGHT
124 LED-BT-NORMAL
47 LED-BT-DARK
108
OPWRSB_1.5V
38
AMP-D+3.3V-EN
16
DAC-DCDC-EN
44
GVDD-12V-EN
49
AC-CUT
1
VBUS-OVR-DET
82 VOLKNOB
ROTARY
ENCODER
EN190
(VOLUME)
D117
A
D118
B
I
/
1
S100
45 POWER-KEY
PAIRING
S002
S650
42 BT-PAIR-KEY
173 HP-GAIN
83 FUNCK-SW
5 OUT0
D119
OUT14 – OUT8
19 – 13
176
BT-ON
117
FUSB_DCDC_EN
76
RES
17
MTK-3.3V-STBY-EN
113
OPWRSB_3.3V
7
D101 – 107
STATUS
INDICATOR
S101
INPUT
SELECT
D122
LED BRIGHTNESS
CONTROL SWITCH
Q100
LED DRIVE
(FOR BRIGHT)
Q101
52 LED-BT-STANDBY
LED DRIVE
Q104
LED DRIVE
(FOR DARK)
Q102
BLUETOOTH
STANDBY MODE
INDICATOR
HI
LOW
i
GAIN
S651
96 AUTOSTDBY-SW
ON
OFF
AUTO STANDBY
J001
+
DC IN 19.5V
D660
F001
D010
VOLTAGE
DETECT
IC655
DC/DC
CONVERTER
IC002
57
VBUS-OE
FUSB_5V
19V_PVDD
VBUS
DC/DC
CONVERTER
IC003
DCDC_4V
DC/DC
CONVERTER
IC004
+7V
SYS 3.3V
SYS 1.2V
VBUS SWITCH
IC901
+3.3V REGULATOR
IC551
BT 3.3V
+3.3V REGULATOR
IC558
+1.2V REGULATOR
IC555
MTK 1.8V
+1.8V REGULATOR
IC554
MTK 1.5V
+1.5V REGULATOR
IC553
DAC 5V
+5V REGULATOR
IC403
RESET SIGNAL
GENERATOR
IC654
MTK STBY 3.3V
+3.3V REGULATOR
IC557
MTK 3.3V
+3.3V REGULATOR
IC556
DAC 3.3V
+3.3V REGULATOR
IC402
PANEL 3.3V
+3.3V REGULATOR
IC104
+7V REGULATOR
IC005
AUDIO 3.3V
+3.3V REGULATOR
IC209
DC/DC
CONVERTER
IC001
–7V
PVDD
(FOR SPEAKER LINE)
+12V
–7V REGULATOR
IC006
B+ SWITCH
Q216
PVDD
(FOR DIGITAL POWER AMP)
REGULATOR
Q211 – 215, 217,
Q220, 221, 226
+12V
REGULATOR
IC205
13
FAN-CONTROL-2
SHUNT
REGULATOR
IC213
HOKUTO-SCL
HOKUTO-SDA
HOKUTO-SDA,
HOKUTO-SCL
>003B
2
SDA
DIGITAL
POTENTIOMETER
IC215
1
SCL
8 RW
FAN MOTOR
DRIVE
Q659
M1
(FAN)
M
84
TEMPSENS-COMB
TH002
85
TEMPSENS-NAND
TH650
BUFFER
Q001
(Page 36)
Summary of Contents for CAS-1
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