DOWNLOAD Panasonic SA-BX500EB / SA-BX500EE / SA-BX500EG Service Manual ↓ Size: 10.2 MB | Pages: 127 in PDF or view online for FREE

Model
SA-BX500EB SA-BX500EE SA-BX500EG
Pages
127
Size
10.2 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / AV CONTROL RECEIVER
File
sa-bx500eb-sa-bx500ee-sa-bx500eg.pdf
Date
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Panasonic SA-BX500EB / SA-BX500EE / SA-BX500EG Service Manual ▷ View online

11.8. Digital Audio Amp (3CH)
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
3
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
SL-
SL+
OUT2
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
12
7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
3
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5200
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
12
7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
INPUT
STAGE
PWM
MODULATOR
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
PWM
MODULATOR
OSCILLATOR
MANAGER
STABI
RELEASE1
RELEASE2
SWITCH1
SWITCH2
ENABLE1
ENABLE2
MUTE
MUTE
MODE
2
STABI
PROT
VDDP2
VSSP2
VDDP1
VSSP1
BOOT1
BOOT2
OUT1
OUT2
IC5300
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
21
22
9
10
15
14
13
11
8
16
12
7
C+
C-
MODE 1
SR -
SR+
MODE 2
SURROUND L
MUTE C, MUTE S
MOD DA
CENTER
SURROUND R
SL +
SL -
IC5500
INVERTER GATE 
(CLOCK GENERATOR)
C0JBAB000902 
D5501
D-TYPE FLIP-FLOP
C0JBAF000716 
CP1
1A
1Y
2A
2Y
3A
3Y
4A
4Y
5A
5Y
O1
IC5501
6
8
10
9
14
14
11
3
D1
VCC
5
4
6
O1
2
1
5
4
3
2
1
CD1
SD1
MUTING
CIRCUIT
Q5601,Q5602
Q5603,Q5604
MODE 1
MODE 2
SA-BX500EB/EE/EG DIGITAL AUDIO AMP (3CH) BLOCK DIAGRAM
DC DET
FAN DC
Q5640,
Q5642,
Q5644
FAN MOTOR
DRIVE
DC DETECT
Q5101,Q5102
FAN DC OUT 
FAN GND 
3
FROM AUDIO
FROM AUDIO
TO
SPEAKER CHANNEL
FROM POWER
FROM  
SYSTEM CONTROL
FROM/TO  
SYSTEM CONTROL
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
3
15
FHOP
CN5050
CN8004
12,13
6,5
CN5050
CN8004
17
1
CN5050
CN8004
4
JW4603
CN5550
6
JW4603
CN5550
7
JW4603
CN5550
9
JW4603
CN5550
1
JW4603
CN5550
3
JW4603
CN5550
1
CN5501
2
CN5501
11
7
CN5050
CN8004
14
4
CN5050
CN8004
15
3
CN5050
CN8004
1
CN5500
H5802
16
2
CN5050
CN8004
5
13
CN5050
CN8004
D5502
: MAIN SIGNAL LINE
OSC2
OSC2
FROM 
DIGITAL AUDIO  
AMP (4CH)
SA-BX500EB / SA-BX500EE / SA-BX500EG
77
11.9. Speaker Channel
SURROUND BACK L
SURROUND BACK R
SPEAKERS
1
JK4601
2
JK4601
3
JK4601
4
JK4601
SURROUND L
SURROUND R
1
JK4602
2
JK4602
3
JK4602
4
JK4602
FRONT B (HF) L
8
JK4602
9
JK4602
FRONT B (HF) R
1
JK4603
2
JK4603
FRONT A (LF) L
3
JK4603
4
JK4603
FRONT A (LF) R
6
JK4603
7
JK4603
4
2
6
3
1
5
7
8
4
6
2
3
5
1
8
7
1
3
4
2
5
6
+
-
+
-
+
-
+
-
+
-
FRONT B (HF) L
6
JK4602
7
JK4602
+
-
+
-
+
-
+
-
RY4607
1
3
2
5
RY4606
1
3
4
2
5
6
RY4605
Q4601,Q4602
Q4603,Q4604
RELAY
CONTROL
1
3
4
2
5
6
RY4601
RY4603
RY4604
2
4
3
1
6
5
RY4602
+11V
1
JW4603
6
JW4603
9
JW4603
3
JW4603
4
JW4603
7
JW4603
4
JW4602
12
JW4602
6
JW4602
3
JW4602
9
JW4602
10
JW4602
1
JW4601
2
JW4601
3
JW4601
PB603
PB603
PB603
7
JW4602
1
JW4602
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
CN5550
SR+
C-
SL-
SR+
C-
SL-
SL+
SL-
SBL+
SBL-
SBR-
SBR+
SR-
SR+
C+
C-
AR+
AL+
AL-
AR-
BR+
BR-
BL+
BL-
SR-
C+
C+
SL+
SL+
SR-
SBR+
SBL-
SBL-
SBR-
BR-
BL-
SBR-
FR-
AR-
AL-
FL-
SBL+
BI-AMP
A SP
B SP
FL+
FR+
AR+
BR+
AL+
BL+
SBL+
SBR+
FROM
SYSTEM CONTROL
FROM
DIGITAL AUDIO AMP (3CH)
FROM
DIGITAL AUDIO AMP (4CH)
FROM
DIGITAL AUDIO AMP (4CH)
SA-BX500EB/EE/EG SPEAKER CHANNEL BLOCK DIAGRAM
: MAIN SIGNAL LINE
SA-BX500EB / SA-BX500EE / SA-BX500EG
78
11.10. Video (component & composite video)
6
1
4
+5V
-5V
7
16
18
V+1
V-1
21
V+2
V-2
CH1 IN1
CH1 OUT
6dB
AMP
BIAS
75Ohm
DRIVER
5
3
1
SW1
2
PSAVE
PS
SW1
SW2
23
SW2
4
24
CH2 OUT
22
CH3 OUT
20
VIDEO AMP
C1AB00002029
IC1002
IC1001
D1001
D1002
SA-BX500EB/EE/EG VIDEO (COMPONENT/COMPOSITE VIDEO) BLOCK DIAGRAM
CH2 IN1
6dB
AMP
BIAS
75Ohm
DRIVER
8
CH1 IN2
BIAS
CH1 IN3
CONT2
CONT1
CONT1
BIAS
12
10
CH2 IN2
BIAS
CH2 IN3
CONT2
BIAS
CH3 IN1
6dB
AMP
BIAS
75Ohm
DRIVER
17
CONT1
13
15
CH3 IN2
BIAS
CH3 IN3
CONT2
BIAS
8
6
PA1001
PB1001
4
VIDEO C
10
PA1001
PB1001
3
VIDEO B
V SEL
11
PA1001
PB1001
5
9
PA1001
PB1001
2
7
PA1002
PC501
2
VIDEO A
12
PA1001
PB1001
1
JWA1501
JWB1501
3
JWA1501
JWB1501
2
JWA1501
JWB1501
4
JWA1501
JWB1501
6
8
PA1001
PB1001
7
PA1001
PB1001
JK1005
1
2
3
4
IN
(CABLE/SAT)
IN
(BD/DVD PLAYER)
IN
(BD/DVD PLAYER)
IN
(DVD RECORDER)
IN
(GAME)
IN
(VCR)
IN
(CABLE/SAT)
IN
(DVD RECORDER)
OUT
(MONITOR)
OUT
(MONITOR)
OUT
(DVD RECORDER)
Y (GREEN) 
PR (RED)
PB (BLUE)
5
6
7
8
STB Y
STB Y
STB PB
STB PB
STB PR
STB PR
DVD Y
DVD Y
DVD PB
DVD PB
DVD PR
DVD PR
DVR Y
DVR Y
DVR PB
DVR PB
DVR PR
DVR PR
Y (GREEN) 
PR (RED)
PB (BLUE)
JK1004
JK1004
1
2
3
4
Y (GREEN) 
PR (RED)
PB (BLUE)
5
6
7
8
Y (GREEN) 
PR (RED)
PB (BLUE)
JK1001
1
2
3
4
JK1003
1
2
3
4
JK1002
3
4
JK1002
1
2
JK1001
5
6
AUX
(VIDEO)
JK503
6
7
IN1
O1
IN3
75Ohm
DRIVER
IN4
S3
S2
S4
S1
S5
IN5
IN2
6dB
AMP
+5V
-5V
1
O2
75Ohm
DRIVER
S6
6dB
AMP
15
O3
75Ohm
DRIVER
S7
6dB
AMP
11
13
5
3
16
8
V+
12
GND
V-
9
S3
4
S4
6
S1
14
S5
2
S2
10
7
VIDEO SWITCH
C1AB00001931
BUF.
2
SW
IN1
OUT
IN2
VIDEO SWITCH
C1AB00001486
IC1003
TO
VIDEO (S-VIDEO)
FROM
SYSTEM CONTROL
FROM
SYSTEM CONTROL
: VIDEO SIGNAL LINE
PANEL P.C.B.
COMPOSITE VIDEO
COMPONENT VIDEO
SA-BX500EB / SA-BX500EE / SA-BX500EG
79
11.11. Video (S-video)
IN1
O1
IN3
75Ohm
DRIVER
IN4
S3
S2
S4
S1
S5
IN5
IN2
6dB
AMP
BUF.
+5V
-5V
1
O2
75Ohm
DRIVER
S6
6dB
AMP
15
O3
75Ohm
DRIVER
S7
6dB
AMP
11
13
5
3
16
8
V+
12
GND
V-
9
S3
4
4
1
6
2
S4
6
S1
14
S5
2
S2
SW
IN2
IN1
10
7
C
Y
C
3
4
Y
15
VCR IN Y
VCR IN C
Y IN
REC IN Y
PLA IN Y
AUX S-VIDEO Y
AUX S-VIDEO C
VCR IN Y
Y IN
REC IN C
PLA IN C
VCR IN C
C IN
C IN
16
VIDEO SWITCH
C1AB00001931
IC1051
JK1053
JK501
JK1053
JK1052
(VCR)
IN
C
Y
9
REC IN Y
REC IN C
AUX S-VIDEO Y
AUX S-VIDEO C
10
(DVD RECORDER)
IN
(S-VIDEO)
AUX
C
Y
9
PLA IN Y
PLA IN C
10
JK1052
(BD/DVD PLAYER)
IN
C
Y
3
MON OUT Y
MON OUT C
REC OUT C
4
(TV MONITOR)
OUT
C
Y
9
PLA IN Y
PLA IN C
10
JK1051
(GAME)
IN
FROM 
VIDEO (COMPOSITE VIDEO)
C
Y
3
MON OUT Y
MON OUT C
4
(CABLE/SAT)
IN
C
Y
3
4
REC OUT Y
(DVD RECORDER)
OUT
IN1
O1
IN3
75Ohm
DRIVER
IN4
S3
S2
S4
S1
S5
IN5
IN2
6dB
AMP
+5V
-5V
1
O2
75Ohm
DRIVER
S6
6dB
AMP
15
O3
75Ohm
DRIVER
S7
6dB
AMP
11
13
5
3
16
8
V+
12
GND
V-
9
S3
4
S4
6
S1
14
S5
2
S2
10
7
VIDEO SWITCH
C1AB00001931
IC1052
VIDEO SWITCH
C1AB00001486
IC1053
D1051
D1052
BUF.
6
1
4
2
SW
IN1
IN2
OUT
OUT
VIDEO SWITCH
C1AB00001340
IC1054
4
V SEL
JWB1501
JWA1501
9
1
PA1051
PC501
11
3
PA1051
PC501
3
VIDEO C
JWB1501
JWA1501
1
VIDEO A
JWB1501
JWA1501
2
VIDEO B
JWB1501
JWA1501
SA-BX500EB/EE/EG VIDEO (S-VIDEO) BLOCK DIAGRAM
: VIDEO SIGNAL LINE
PANEL P.C.B.
SA-BX500EB / SA-BX500EE / SA-BX500EG
80
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