
A-5VL
MICROPROCESSOR BLOCK DIAGRAM
64PIN
ROM 84K
SELECTOR_SW 50 AD
VOL_POS
51 AD
VOL_UP
22
35 SEL_DATA
MotorVolume
VOL_DOWN
23
36 SEL_CLK
R2S15211FP
TA72915
BASS_IN
48 AD
TREBLE_IN
47 AD
BLANCE_IN
46 AD
19 TONE_LED
20 DIRECT_LED
21 MUTING_LED
TONE/DIRECT
DIRECT_KEY 14
18 STBY_LED
POWER ON/OFF
POWER_KEY 15
16 LOCKED_LED
17 POWER_LED
REMIN
1
RI in
SYSIN
33
RI out
SYSOUT
34
SPEAKER_SW49 AD
40 HP_MUTE
PWR_MODE
54 AD
42 DG_MUTE
41 AMUTE
MODEL
58 AD
64 SPA_RL
63 SPB_RL
Select BTL
43 ACPOWER
HP_DET
39
PROTECT
56
28 DIR_SDI
DIR
AK4112B
27 DIR_SDO
26 DIR_CLK
POFF
55
25 DIR_CS
THERMAL
57 AD
24 DIR_RST
IPM DET
52 AD
IPM_SENS
53 AD
36 ROM_SCL
EEPROM
35 ROM_SDA
S24CS16A
Xin
9
Xout
7
3 MODE
VCC/AVCC/VREF
10,62,61
VSS/AVSS
8,59
45 DAC1_CS
DAC
44 DAC2_CS
RESET
6
60 DAC_RST
32 SP_DIF
SELECTOR
Detect Volume
position
BASS
TREBLE
BALANCE
REMOCON
Select SP,
A, B, A+B, OFF
Select power supply
synchronization mode
Initialization
Setting 12V trigger time
Detect headphone
Detect 12V trigger
Detect protect
Detect SP load (Lch)
Detect SP load (Rch)
Selector, Volume IC
Tone
Direct
Audio mute
Standby
Digital lock
Power
12V Trigger output
Bit select control
Line out control
Headphone mute
Digital control
Audio mute control
SP A reray control
SP B reray control
SP A load control
SP A load control
Main power Voltage control
Initial current control
Write Flash ROM control
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