Panasonic SU-HTB550PH Service Manual page 21

6.1.2. MAIN (CPU) CIRCUIT (2/2)
15 16 17
SCHEMATIC DIAGRAM - 6
A
MAIN (CPU) CIRCUIT
P1
QR2305, QR2306
B1GDCFJJ0008 QR2305
MUTING CONTROL
QR2306
QR2303, QR2304
B1GBCFJJ0048
MUTING CONTROL
QR2303
HD MUTEOUT
S_DET
D2326
B0ACCK000012
TO MAIN (CPU)
SECTION (1/2)
D2325
DZ2J056M0L
QR2312
B1GBCFJJ0048
MUTING CONTROL
REG5V
D2322
DZ2J270M0L
DP REG5V
C2817
6.3V330
HD REG8V
IC2802
C0DBEYY00146
+3.3V VOLTAGE REGULATOR
BK_3.3V
HDMI_PCONT
R2824
1.5K
C0DBAYH00005
+3.3V VOLTAGE REGULATOR
VIN VOUT
1
HD
HDMI_3.3V
L2804
G1C330MA0291
C2825
C2827 0.1
P2 6.3V330
P3 HD HDMI_GND
HD HDMI_1.8V
NOTE: " * " REF IS FOR INDICATION ONLY
15 16 17
18 19 20
: +B SIGNAL LINE : OPTICAL AUDIO INPUT SIGNAL LINE
R2322
100K QR2301
B1GBCFJJ0048
SYNC
QR2302
D2301
B0JCCD000017 B1GBCFNN0035
QR2301
SYNC CONTROL
QR2302
QR2304
D2304
DZ2J075M0L
D2324
B0ACCK000012
D2323
DZ2J056M0L
R2814 R2815
R2811
2.7K 390
1.5K
IC2804
IC2803
C0DBAYH00005 C0DBAYH00005
+5V VOLTAGE REGULATOR +3.3V VOLTAGE REGULATOR
ON/
VIN VOUT GND ADJ OFF VIN VOUT
1 2 3 4 5 1 2
R2817
0
LB2803
L2801
L2802 J0JHC0000078
G1C330MA0291
G1C330MA0291
C2811
C2815 C2816
C2814 C2813 0.1
0.1 0.47
6.3V330 6.3V330
R2804
R2805
4.7K
820
IC2801
C0DBAYH00005
+8V VOLTAGE REGULATOR
5 4
CE ADJ
ON/
VIN VOUT GND ADJ OFF
VOUT GND VIN
1 2 3 4 5
1 2 3
L2805
G1C330M00028
C2807
R2807
4.7 C2804
27K
6.3V470
C2801 C2802
R2808 0.1
0.47
100K
LB2802
J0JHC0000078
R2825
270 R2821
IC2806
220
+1.8V VOLTAGE REGULATOR
ON/
R2830
QR2801
OFF
GND ADJ 47K
B1GBCFNN0035
2 3 4 5
SWITCH
LB2805 L2803
J0JHC0000078 G1C330MA0291
C2826 C2821
C2824 C2823
1 0.1
6.3V330
QR2801 6.3V330
18 19 20
21 22 23
: AUDIO OUTPUT SIGNAL LINE
CN2301
BK_3.3V
1 VCC
FLASH_BUSY
2
BUSY
FLASH_SCLK
3 SLCK
FLASH_RXD
4 RXD
FLASH_CE
5 CE
FLASH_EPM
6 EPM
GND
7 GND
RESET
8 RESET
CNVSS
9 CNVSS
FLASH_TXD
10 TXD
LOG_MONI_SW
CN2303
R2355 G1
MON_SW
1
100 MON_RESET
2
3 RXD
4 GND
5 VCC
6 TXD
G2
R2812
270
ON/
GND ADJ OFF
3 4 5
C2812
0.47
DP
D2321
B0ACCK000012
QR2804
B1GBCFNN0035
CN2202
R2801
SWITCH
0 SYNC
9
SMPSDET
8
SW_STOP
7
6 ECO_CONT
BK_5V
5
G3*
G2* G1* G4*
4 GND
3 GND
DC20V
2
LB2801
1 DC20V
J0JHC0000078
R2822
270
IC2805
C0DBAYH00005
ON/
GND OFF
VIN VOUT ADJ
CL211
1 2 3 4 5
LB2804
CL229
J0JHC0000078 K202
C2822
1
K213 0 ...PH
CL223
21 22 23
21
24 25 26
DP DSP_LRCLK
DP DSP_SCLK
R2058 R2059
33 33
LB2871 ~ LB2872 C2851
FOR
1000P
J0JBC0000014
ON-BOARD
LB2874 ~ LB2886
PROGRAMMING J0JBC0000014
W_DET LB2871
LB2872
DP DSP_SD3
LB2874
DP DSP_SD2
W_INT LB2876
W_SDO LB2877
W_SDI LB2878
W_SCL LB2879
R2052
W_SSB LB2880
FOR 33
10
LB2881
SERIAL LOG 11
12
MONITOR
LB2883
13
14
LB2885
15
LB2886
16
17
LB2869
REMOTE LB2868
KEY1 LB2867
KEY2 LB2866
LED_LCK LB2865
LED_CLK LB2864
LED_DATA LB2863
LED_OE LB2862
LB2861
REG5V
LB2861 ~ LB2869
J0JBC0000014
1
G
LB2860
TO
J0JBC0000014
SMPS
CIRCUIT
(CN1)
IN SCHEMATIC
DIAGRAM - 12
9
CL111
CL129
...HTB550
0 ...HTB550 K102 0
CL202 CL102
HD: MAIN (HDMI) CIRCUIT: SCHEMATIC DIAGRAM - 1 ~ 4
CP: MAIN (CPU) CIRCUIT: SCHEMATIC DIAGRAM - 5 ~ 6
DP: MAIN (DSP) CIRCUIT: SCHEMATIC DIAGRAM - 7 ~ 8
K113 0 ...PH
CL123
1/2
24 25 26
27 28
A
EARTH1
B
CN2205
17
WM_DET
1
2 RF_GND
3 RF_GND
4
RF+5V
5 RF+5V
F
6 INT
TO
7 SDO
WIRELESS ADAPTER
8 SDI
CIRCUIT
9 SCL
(CN3001)
SSB
IN SCHEMATIC
LRLK
DIAGRAM - 11
DGND
C
BCLK
DGND
ADAT0
ADAT1
RF_GND
1
E
TO
CN2206 POWER BUTTON
1
CIRCUIT
2 VRFGND
(JW6004)
1 KEY1
IN SCHEMATIC
2
DIAGRAM - 11
D
R2862
0
CN2204
1
11 VREF GND
10 VREF(3.3V)
C
9 REMOTE
TO
8 KEY1
PANEL
7 KEY2
CIRCUIT
6 LED_LCK
(CN6001)
5 LED_CLK
IN SCHEMATIC
4 LED_DATA
3 LED_OE DIAGRAM - 11
2 DGND
1 REG5V
11 E
C2853 EARTH2
1000P
C2852
1000P
F
G
H
SC-HTB550PH (SU-HTB550PH)
2/2
MAIN (CPU) CIRCUIT
27 28