J-Board (1 Of 2) Block Diagram - Panasonic TH-37PH9UK Service Manual

15.25. J-Board (1 of 2) Block Diagram

J SLOT INTERFACE/SYNC PROCESSOR/SOUND PROCESSOR
TO P5 J4
+15V 1
+15V 2
IC805
+15V 4
AVR SOUND+12V
SOUND+15V 6 SOUND12V
7
SOUND+15V
SOUND+15V 8 1 VIN SW 2
IC8100
AVR 12V
2 VCC OUT 2
IC801
AVR 9V
1 VIN
SW 2
8 VIN
IC802
AVR 5V
1 VIN
SW 2
8 VIN
IC803
AVR 3.3V
1
VIN
SW 2
8 VIN
TH-37/42PH9UK
J-Board (1 of 2) Block Diagram
D_1.8V D_3.3V
12V
A_1.8V A_3.3V
9V_2 SLOT9V
R
PHASE
TONE
38
A
SHIFT
G BAL
L
LPF
C
37 VOL
AMP
SDA3
71 SDA
5V_M A_5V SLOT5V FAN5V
SCL3
73 SCL
IC2303
SOUND CONTROL
A_3.3V D_3.3V SLOT3.3V
IC804
AVR 1.8V A_1.8V D_1.8V
1 VDD
VOUT 5
3
CE
STB3.3V
D_3.3V
IC3008
7
IIC ON/OFF
2 1
6 5
3
P5V
Q2372
MUTE SW
D2303
SOUND12V
IC2301
10W MONO
A_5V
AMP_STB_SW
BTL AMP R
10 20 21
9V_2
67
RSTB
AMP_ VCC PRE_
STBY VCC
OUT+ 22
R OUT
32 3 1 4
IN
OUT- 23
L OUT
27 5 7
SW_E SW_B SW_OUT
17 16 15
SOUND12V
IC2305
EQUALIZER
Q2300
IC2302
AMP_STB_SW
10W MONO
BTL AMP L
10 20 21
AMP_ VCC PRE_
STBY VCC
22
OUT+
4 IN
OUT- 23
SW_E SW_B SW_OUT
17 16 15
SOUND15V
Q2331
111
H3
J7 H37
JK8500
+R OUT
1 SP_R+ 1
SPEAKER
-R OUT
R
3 SP_R- 3
H3
J8 H37
JK8500
+L OUT
1 1
SP_L+
SPEAKER
-L OUT
L
3 SP_L- 3
TH-37/42PH9UK
J-Board (1 of 2) Block Diagram
TH-37PH9UK / TH-42PH9UK
S_CLOCK3
1
S_DATA3
2
RESET
3
SOUND MUTE
4
AUDIO L
5
AUDIO R
6