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STB3.3V
J SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR D_3.3V
IC3008
7
IIC ON/OFF
S_CLOCK3
2 1 1
S_DATA3
6 5 2
3
RESET
3
TO P5 J4
SOUND MUTE
+15V 1 4
+15V 2
+15V 4
IC805 AUDIO L
5
SOUND+15V 6 AVR SOUND+12V SOUND12V AUDIO R
6
SOUND+15V 7
SOUND+15V 8 1 VIN SW 2
P5V
Q2372
MUTE SW
D2303
SOUND12V
IC8100
AVR 12V 12V
D_1.8V D_3.3V IC2301
A_1.8V A_3.3V A_5V
AMP_STB_SW
10W MONO
2 VCC OUT 2 BTL AMP R
IC801 RSTB 67
9V_2 10 20 21
AMP_ VCC PRE_
AVR 9V 9V_2 SLOT9V STBY VCC J7 Z37 H3 JK8500
1 VIN +R OUT
SW 2 R PHASE R OUT OUT+ 22 1 SP_R+ 1
38 A TONE 32 3 1 4 IN SPEAKER
8 VIN -R OUT
SHIFT R
G BAL OUT- 23 3 SP_R- 3
L LPF L OUT SW_B
37 C VOL 27 5 7
AMP SW_E SW_OUT
17 16 15
IC802 SDA3 SOUND12V
71 SDA
AVR 5V 5V_M A_5V SLOT5V FAN5V IC2305
SCL3
1 VIN 73 SCL EQUALIZER
SW 2 Q2300
8 VIN
IC2303 IC2302
AMP_STB_SW
IC803 SOUND CONTROL
10W MONO
AVR 3.3V A_3.3V D_3.3V SLOT3.3V
BTL AMP L
10 20 21
1 VIN AMP_ VCC PRE_
8 VIN
SW 2 STBY VCC J8 Z37 H3
JK8500
+L OUT
OUT+ 22 1 SP_L+ 1
IC804 4 IN
-L OUT
SPEAKER
OUT- 23 3 SP_L- 3 L
AVR 1.8V A_1.8V D_1.8V
SW_B
SW_E SW_OUT
1 VDD
17 16 15
VOUT 5
3 CE SOUND15V
Q2331
TH-42PS9BK/BS/EK/ES TH-42PS9BK/BS/EK/ES
J-Board (1 of 2) Block Diagram J-Board (1 of 2) Block Diagram