Panasonic SU-HTB570EB / SU-HTB570EG / SB-HTB570EG / SB-HWA570EB / SB-HWA570EG / SC-HTB570EB / SC-HTB570EG / SC-HTB570EGS Service Manual ▷ View online
93
Step 9 : SW DAMP P.C.B. and SW SMPS P.C.B. can be
checked as diagram shown.
checked as diagram shown.
94
95
13 Overall Simplified Block
13.1. Main Unit (SU-HTB570)
13.1.1.
Overall Control Diagram
FRONT LEFT
SPEAKER
SPEAKER
FRONT RIGHT
SPEAKER
SPEAKER
FRONT LEFT
SPEAKER
SPEAKER
FRONT RIGHT
SPEAKER
SPEAKER
MICROPROCESSOR
HDMI 3 RX
AUX2
(HDMI IN 3)
TV
(OPT IN 1)
BD/DVD
(OPT IN 2)
AUX IN
AUX1
(HDMI IN 2)
BD/DVD
(HDMI IN 1)
TV
(ARC/HDMI OUT)
HDMI 2 RX
HDMI 1 RX
HDMI TX
TRANSCEIVER
SPI
EEPROM
OPT 1 IN
AUX INPUT
OPT 2 IN
ATT
USB
CONN
BLUETOOTH
MODULE
USB
SWITCH
HIGH SIDE
SWITCH
+5V
+5V
0C
EN
D+
D-
D-
EEP
4 KBIT
WIRELESS
MODULE
ADC
FLASH
2 MBYTE
JITTER
FREE DSP
FL / FR
I2C
TI D-AMP
FL / FR
TI D-AMP
C / SW
PWM + / -
PWM + / -
FET D-AMP 1
FET D-AMP 2
H B + / -
H B + / -
CENTER OR
SUBWOOFER
SPEAKER
SUBWOOFER
SPEAKER
D+
D-
D-
PWM OR HB + / -
RESET / MUTE
LED DRV
LED PANEL
IR
REMOTE
KEY BOARD
JTAG
DC FAN
UART LOG
DATA
OP AMP
FAN
LOCK
LOCK
FAN
OUT
OUT
OVER
CURRENT DET
OVER TEMP
DET
SPK DC DET
A RX
B RX
C RX
TX
VFD
D+
D-
D-
HTB770 ONLY
SERVICE CONNECTOR
HTB 370 ONLY
TEST PADS
HTB 370, 570, 770 ONLY
HTB 570, 770 ONLY
HTB 370 ONLY
96
13.1.2.
Power Supply Diagram
Max
10%THD
28 V
6.082 A
5500 mA
20 V
1.648 A
1100 mA
166
mA Max
K=
75%
Max
116 mA
Rated
2/8-1%THD
12
V
104
mA Rated
K=
m
0
5
x
a
M
%
0
7
A
HTB770
Rated
58 mA
Rated
46 mA
Max
95
mA
Rated
89
mA
HTB570
Max
100 mA
m
1
8
2
x
a
M
H
u
3
3
=
L
x
a
m
-
W
6
6
.
0
=
c
P
A
HTB370
Rated
50 mA
Pcon
0.53 W-rated
Ipeak=
0.51 A
m
5
.
4
2
2
d
e
t
a
R
V
3
.
3
g
e
R
n
i
g
r
a
M
A
3
.
2
=
1
c
d
I
y
l
n
o
0
7
7
B
T
H
A
349%
Idc2=
1.9 A
271%
Max
180 mA
1031.02
mA Max
K=
89%
Rated 160 mA
m
5
9
0
5
.
0
6
6
V
6
g
e
R
V
5
S
Y
S
A Rated
K=
x
a
m
-
W
6
7
.
0
=
c
P
%
8
8
Max
7 V
158
mA
A
V
0.61 W-rated
Max
150 mA
Rated
5 V
101
mA
2
30
Max
248
mA
Max 500
mA Rated
50 mA
Max
30 mA
Stby
3.8 V
5.53
mA
1
35
Rated
225
mA
m
0
0
3
d
e
t
a
R
V
5
g
e
R
H
u
3
3
=
L
A
Rated
26 mA
Pc=
0.76 W-max
Ipeak=
1.27 A
Margin
Pcon
0.54 W-rated
Idc1=
2.3 A
m
4
0
.
0
x
a
M
%
1
8
A
8
1
10
Idc2=
1.9 A
m
2
0
.
0
d
e
t
a
R
%
0
5
A
Max
71 mA
1063
mA Max
K=
m
5
.
8
3
d
e
t
a
R
W
0
3
.
0
=
c
P
%
9
8
A
HDMI
5.6
V
736
mA Rated K=
m
0
0
5
x
a
M
5
9
1
1
.
4
%
8
8
A
Rated
300 mA
Max
239
mA
Rated
234
mA
Ipeak=
1.29 A
m
3
4
1
x
a
M
n
i
g
r
a
M
A
A
A
m
5
8
d
e
t
a
R
%
8
7
A
3
.
2
=
1
c
d
I
x
a
m
-
W
4
7
.
0
=
c
P
W
8
6
.
4
HDMI Pcon
0.56 W-rated
Idc2=
1.9 A
47%
100 mA
Max
PVDD
6 V
50 mA
Rated
SYS
5
V-rated
101 mA
HTB370 only
Max
240 mA
157.5 mA
Max
100 mA
Rated
50 mA
m
1
0
1
V
6
.
3
S
Y
S
0
D
A
Rated
50 mA
5 V
m
3
5
.
5
y
l
n
o
0
7
5
0,
7
7
B
T
H
A
Stby
5 mA
W
7
0
.
0
=
c
P
W
5
3
.
0
=
c
P
A
Max 436.07
mA
Max
536 mW
D1
Pc= 0.35 W
HDMI
3.3
V Rated 584.6 mA
HDMI
1.8 V Rated 377.62
mA
Pc= Rated
141 mW
Stby
1.11 mW
D2
Avnera (LDO Out)
m
1
.
6
3
4
x
a
M
x
a
m
-
A
m
7
0
.
5
6
6
A
Pc=
0.02 W
Pc=
0.03
W
50 mA
585 mA
Rated 377.6 mA
x
a
m
-
W
5
6
.
0
x
a
m
-
W
3
7
.
0
W
5
3
.
0
=
c
P
3
D
m
5
.
2
x
a
M
W
7
5
.
0
=
c
P
W
4
6
.
0
=
c
P
A
D1
A
m
2
d
e
t
a
R
A
m
9
2
2
x
a
M
Rated
Rated
207 mA
Stby
0 mA
Max
5 mA
Rated
4 mA
Stby
0.5 mA
Max
25 mA
Rated
20 mA
Stby
0.03 mA
Max
25 mA
Rated
25 mA
Stby
0 mA
TRANS
Jitter Free DSP
Flash Memory
Damp
Opt 1 & Opt 2
WNC BT Module
LED Driver
IC6001
USB D+/- Switch
Wireless RF+5V
LED Grn5/Ambr4/Bl1
LDO 5V
1.1A
DC_DC 6V
HDMI TX
IC2501
LDO 1.8V
HDMI Out Jack
DC_DC 5.6V
HDMI In Jack
EEPROM
IR Receiver
MAIN DSP
LDO 3.6V
DC_DC Con 12V
LDO 5V
USB Hi-Side Switch
LDO 3.3V
LDO 3.3V
FET Driver
FAN
0
:
0
:
Vin - Vout = 0.5V min @ 1A.
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