Ds-Board (1 Of 2) And H3-Board Block Diagram - Panasonic TH-50PF9UK Service Manual

14.13. DS-Board (1 of 2) and H3-Board Block Diagram

DS
P5 DS4
+15V 1
+15V 2
IC805
+15V 4
SOUND+15V 6
AVR 12V
7
SOUND+15V
8 1 VIN
SOUND+15V
IC8100
AVR 12V
2 VCC OUT
IC801
AVR 9V
1 VIN
8 VIN
IC802
AVR 5V
1
VIN
8 VIN
IC803
AVR 3.3V
1 VIN
8 VIN
TH-50PF9UK
DS-Board (1 of 2) Block Diagram
SLOT INTERFACE
/SYNC PROCESSOR
/SOUND PROCESSOR
SOUND12V
SW 2
D_1.8V D_3.3V
12V
P+12V A_1.8V A_3.3V
2
9V_2 SLOT9V
P+9V
R
SW 2 PHASE
38 A
SHIFT
G
L
LPF
37 C
AMP
SDA3
73 SDA
5V_M A_5V SLOT5V FAN5V
SCL3
71 SCL
SW 2
P+5V
IC2303
SOUND CONTROL
P+3.3V
A_3.3V D_3.3V SLOT3.3V
SW 2
IC804
AVR 1.8V
A_1.8V D_1.8V
1 VDD
5
VOUT
3 CE
P+1.8V
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
RSTB 67
AMP_ VCC PRE_
STBY VCC
+R OUT
OUT+ 22
R OUT
TONE 32 3 1 4 IN
-R OUT
OUT- 23
BAL
L OUT
27 5 7
VOL
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
+L OUT
OUT+ 22
4 IN
-L OUT
OUT- 23
SW_E SW_B SW_OUT
17 16 15
SOUND12V
Q2331
85
H3 SPEAKER
TERMINALS
DS7 H37
JK8500
1 SP_R+ 1
SPEAKER
R
3 SP_R- 3
H3 SPEAKER
TERMINALS
DS8 H37
JK8500
1 SP_L+ 1
SPEAKER
L
3 SP_L- 3
TH-50PF9UK
DS-Board (1 of 2) Block Diagram
TH-50PF9UK
S_CLOCK3
1
S_DATA3
RESET
3
SOUND MUTE
AUDIO L
5
AUDIO R