Read Panasonic SA-PT470GN / SA-PT470GA / SA-PT470PU / SA-PT475EP / SA-PT475EE / SC-PT475EE Service Manual Supplement online
PSG0906051SE
DVD Home Theater Sound System
Model No.
SA-PT470GN
SA-PT470GA
SA-PT470PU
SA-PT475EP
SA-PT475EE
SA-PT470GA
SA-PT470PU
SA-PT475EP
SA-PT475EE
Product Color: (K)...Black Type
(S)...Silver Type (EP)
Subject : Update of D-Amp circuit
TABLE OF CONTENTS
PAGE
PAGE
1 Notes ----------------------------------------------------------------- 2
2 Block Diagram----------------------------------------------------- 3
2 Block Diagram----------------------------------------------------- 3
2.1. Digital Audio Amp ----------------------------------------- 3
3 Schematic Diagram ---------------------------------------------- 4
3.1. D-Amp Circuit----------------------------------------------- 4
3.2. D-Amp Circuit----------------------------------------------- 6
3.2. D-Amp Circuit----------------------------------------------- 6
4 Printed Circuit Board-------------------------------------------- 8
4.1. D-Amp P.C.B. ---------------------------------------------- 8
5 al Replacement Parts List -------------------------- 9
Please file and use this supplement manual together with the service manual for
Model No. SA-PT470GN-K, Order No. PSG0903010CE
Model No. SA-PT470GA-K, Order No. PSG0904021CE
Model No. SA-PT470PU-K, Order No. PSG0904027CE
Model No. SA-PT475EP-K/S, Order No. PSG0903030AE
Model No. SA-PT475EE-K, Order No. PSG0905016AE
Model No. SA-PT470GN-K, Order No. PSG0903010CE
Model No. SA-PT470GA-K, Order No. PSG0904021CE
Model No. SA-PT470PU-K, Order No. PSG0904027CE
Model No. SA-PT475EP-K/S, Order No. PSG0903030AE
Model No. SA-PT475EE-K, Order No. PSG0905016AE
2
1 Notes
This supplement includes additional and revised contents to the original service manual for below sections:-
1. Update to Block Diagram (Digital Audio Amp)
2. Update to Schematic Diagram (D-Amp Circuit)
3. Update to Printed Circuit Board (D-Amp P.C.B.)
4. Update to Electrical Replacement Parts List.
2. Update to Schematic Diagram (D-Amp Circuit)
3. Update to Printed Circuit Board (D-Amp P.C.B.)
4. Update to Electrical Replacement Parts List.
3
2 Block Diagram
2.1.
Digital Audio Amp
With reference to original service manual (section 14.7) on page 108 for model no. SA-PT470GN-K
With reference to original service manual (section 14.7) on page 110 for model no. SA-PT470GA-K and SA-PT470PU-K
With reference to SA-PT470EB/EF/EG-K (section 14.7) on page 105 for model no. SA-PT475EP-K/S
With reference to original service manual (section 8.7) on page 67 for model no. SA-PT475EE-K
With reference to original service manual (section 14.7) on page 110 for model no. SA-PT470GA-K and SA-PT470PU-K
With reference to SA-PT470EB/EF/EG-K (section 14.7) on page 105 for model no. SA-PT475EP-K/S
With reference to original service manual (section 8.7) on page 67 for model no. SA-PT475EE-K
IN1M
IN2P
IN1P
IN2M
SGND1
SGND2
OSC
MODE
INPUT
STAGE
STAGE
INPUT
STAGE
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 +
SR +
OUT2
IC5400
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
22
21
9
10
15
14
13
11
8
16
12
7
IN1M
IN2P
IN1P
IN2M
SGND1
SGND2
OSC
MODE
INPUT
STAGE
STAGE
INPUT
STAGE
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
FL +
FR +
OUT2
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP
5
19
23
1
22
21
9
10
15
14
13
11
8
16
12
7
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUT
STAGE
STAGE
INPUT
STAGE
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
STAGE
INPUT
STAGE
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
CENTER
C +
C -
MODE 1
SUBWOOFER
SW -
SW +
MODE 2
SURROUND R
SURROUND L
FRONT R
FRONT L
MUTE S
MUTE F
MOD DA
CENTER
SUBWOOFER
SL +
SR +
FL +
FR +
+
-
+
-
+
-
+
-
+
-
+
-
IC5500
HEX INVERTER
(CLOCK GENERATOR)
C0JBAB000902
X5500
X5501
D5501
6
8
10
9
14
11
5
4
3
2
1
MUTING
CIRCUIT
CIRCUIT
Q5601,Q5602
Q5603,Q5604
Q5603,Q5604
MODE 1
MODE 2
CENTER
SUBWOOFER
SURROUND L
SURROUND R
FRONT L
FRONT R
SPEAKERS
DIGITAL AUDIO AMP BLOCK DIAGRAM
DC DET
ECO
Q5640,
Q5642,
Q5644
Q5642,
Q5644
FAN MOTOR
DRIVE
M
D5645
DC DETECT
Q5101,Q5102
Q5641
FAN LOCK
DETECT
FAN LOCK
FAN DC OUT
FAN GND
FAN DC
3
FAN
FROM AUDIO
FROM AUDIO
FROM
SYSTEM CONTROL
SYSTEM CONTROL
FROM/TO
SYSTEM CONTROL
SYSTEM CONTROL
- 30V SENSE
- 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
- 30V SENSE
- 30V SENSE
+ 30V SENSE
3
15
1
17
9
7
11
11
7
CN5050
CN2009
5
13
CN5050
CN2009
16
2
CN5050
CN2009
15
3
CN5050
CN2009
FHOP
14
4
CN5050
CN2009
CN5050
CN2009
CN5050
CN2009
12
6
CN5050
CN2009
CN5050
CN2009
CN5050
CN2009
10
JK5001
6
JK5001
5
JK5001
8
JK5001
7
JK5001
9
JK5001
12
JK5001
11
JK5001
2
JK5001
1
JK5001
4
JK5001
3
JK5001
13
5
CN5050
CN2009
17
1
CN5050
CN2009
1
CN5501
3
CN5501
2
CN5501
D5502
FAN DC
5V
: AUDIO OUTPUT SIGNAL LINE
D5305
D5306
DELETE
(IC5501)
13
12
ADD
ADD
CHANGE
CHANGE
4
3 Schematic Diagram
3.1.
D-Amp Circuit
With reference to original service manual (section 17.5) on page 124-125 for model no. SA-PT470GN-K
With reference to original service manual (section 17.5) on page 126-127 for model no. SA-PT470GA and SA-PT470PU-K
With reference to original service manual (section 7.5) on page 27-28 for model no. SA-PT475EP-K/S
With reference to original service manual (section 17.5) on page 126-127 for model no. SA-PT470GA and SA-PT470PU-K
With reference to original service manual (section 7.5) on page 27-28 for model no. SA-PT475EP-K/S
1
2
3
4
P1
TO FAN
TO D-AMP
SECTION (2/2)
SECTION (2/2)
TO SPEAKERS
5
: +B SIGNAL LINE
: -B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D-AMP
CIRCUIT
2/2
1/2
F
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 12
10K
R5657
6.3V220
C5692
2
4
3
1
L5301
3
2
1
ZJ5410
1
3
2
CN5501
C5693
FAN LOCK DETECT
FAN MOTOR DRIVE
FAN MOTOR DRIVE
FAN MOTOR DRIVE
0.1
100K
R5659
C5695
0.1
10K
R5655
25V22
C5696
D5640
MAZ81200ML
Q5642
2SC584500L
1.8M
R5658
10
R5637
25V10
C5691
R5636
1K
B1BACD000018
Q5640
C5690
1000P
SW+
ECO
SW_+
SW-
FAN_DC
Q5644
2SC584500L
10K
R5656
2SC584500L
Q5641
10K
R5660
10K
R5606
B1ADCE000012
Q5603
R5608
10K
R5604
1.2K
R5610
1.2K
1.2K
R5611
R5603
10K
R5602
10K
Q5604
B1ABCF000176
B1ABCF000176
R5609
10K
Q5602
R5302
10
220P
C5307
35V470
C5516
1M
R5507
390P
C5552
X5500
X5500
H2A6023A0011
H2A7003A0011
D5503
10
C5555
0.1
C5554
R5311
10
1M
R5508
100P
C5553
35V470
C5517
C5525
0.1
C5524
0.1
VDDA3
C5540 100V22
R5510
470
C5315
1000P
5.6K
R5307
0.47
C5317
OSC2
IN+_SW
FAN_DC
C5312
330P
R5306
5.6K
C5314
0.47
C5313
0.1
VDDP
VSSP
C5316
0.1
0.1
C5319
0.1
C5318
VSSA3
10
R5310
R5505
100
47P
C5558
5
6
4
1
2
3
9
11
13
14
12
10
7
8
C0JBAB000902
HEX INVERTER
(CLOCK GENERATOR)
IC5500
OSC
OSC2
MOD_DA
MUTE_F
MUTE_S
FL_+
SW_+
SW_-
DC_DET
68K
R5218
C_+
120K
R5228
120K
R5020
FR_+
R5019
68K
Q5101
B1ABCF000176
6.3V100
C5133
R5110
22K
68K
R5328
1.2K
1.2K
R5023
AGND
1.2K
R5022
1.2K
R5021
0.1
C5033
B1ABCF000176
Q5102
R5318
120K
R5607 1.2K
56K
R5654
0
R5670
DC_DET
FAN_GND
SIGNAL_TRIGGER
50V1
C5697
C5694
16V33
C_-
R5035
5.6K
R5034
5.6K
220P
C5325
1000P
C5333
K5500
220P
C5326
R5304
100
C5304
330P
C5601
16V10
C5331
1000P
R5308
5.6K
0.47
C5334
R5309
5.6K
0.47
C5332
C5306
0.1
19
21
23
22
20
10
2
3
1
7
8
9
4
5
6
12
15
14
17
18
16
13
11
C5324
0.015
C5302
0.1
0.1
C5310
220P
C5311
0.1
C5309
C5322
0.015
C5303
0.1
R5305
10
R5319
22
0.68
C5328
R5300
22
C5327
0.1
C5301
0.1
0.68
C5300
2
4
3
1
L5300
MODE2
MODE1
MODE1_2
MODE2
FAN GND
FAN DC OUT
SWITCH
SWITCH
Q5601
B1ABCF000176
SWITCH
SWITCH
DC DETECT
DC DETECT
SGND1
VSSD
OUT1
PROT
OUT2
BOOT2
VSSP1
VSSP2
STABI
VSSA2
VDDP2
VSSA1
BOOT1
VDDP1
OSC
VDDA1
6Y
5A
6A
VCC
4Y
4A
5Y
3A
2A
2Y
1A
1Y
3Y
GND
IN1+
IN1-
MODE
IN2-
IN2+
SGND2
VDDA2
FAN LOCK
G0B9R5K00003
G0A150L00003
0
R5317
R5327
1.2K
1.2K
68K
R5113
R5504
22
FHOP
0.01
C5550
D5501
100P
C5557
0.01
C5556
X5501
X5501
R5506
1M
C5551
390P
C5559
47P
FL_-
D5304
B0HCMM000019
B0HCMM000019
B0HCMM000019
B0HCMM000019
D5302
D5303
D5301
R5024
0.1
C5034
K5254
0
R5330
R5329
10K
10K
6
4
3
5
9
8
12
10
11
7
1
2
JK5001
CENTER +
FRONT L+
FRONT L-
FRONT R+
CENTER -
FRONT R-
SUBWOOFER -
SUBWOOFER +
SURROUND L+
SURROUND L-
SURROUND R+
SURROUND R-
C-
FR-
FL-
SL+
SR+
SL-
SR-
FL+
FR+
SW-
C+
SW+
120K
R5111
R5114
1.2K
R5115
1.2K
SL_+
SR_+
C5323
C5321
C5305
0.1
R5513
0
R5512
0
IC5300
C1BA00000487
C1BA00000492
C1BA00000492
AUDIO DIGITAL POWER AMP
CHANGE
ADD
(R5512)
DELETE
(K5780)
ADD
(R5513)
DELETE
(IC5501,R5511,C5560,C5561)
DELETE
(R5514)
R5515
0
ADD
(R5515)
ADD
(C5305)
0.22 0.47
CHANGE
220P 33P
CHANGE
C5350
0.1
1000P
0.1
1000P
C5351
0.1
1000P
0.1
1000P
CHANGE
MA2J11100L
MA2J1110GL
MA2J1110GL
D5501
CHANGE
MA2J11100L
MA2J1110GL
MA2J1110GL
D5502
CHANGE
MAZ80510ML
MAZ8051GML
MAZ8051GML
D5503
CHANGE
CHANGE
MA2J11100L
MA2J1110GL
MA2J1110GL
D5643
MA2J11100L
MA2J1110GL
MA2J1110GL
D5644
MA2J11100L
MA2J1110GL
MA2J1110GL
D5645
CHANGE
D5646
MAZ80750ML
MAZ8075GML
MAZ8075GML
CHANGE
D5306
D5305
MA2J11100L
MA2J1110GL
MA2J1110GL
MA2J11100L
MA2J1110GL
MA2J1110GL
CHANGE
