Main (Amp Single) Circuit (1/2) - Panasonic SA-MAX8000GM Service Manual

6.8.

Main (Amp Single) Circuit (1/2)

1 2 3
SCHEMATIC DIAGRAM - 8
A
A MAIN (AMP SINGLE) CIRCUIT
R4293 0
AB AMP_EXT_CLK2
B
R4294 0 R4288
AB AMP_EXT_CLK
R4286
R4292
R4285
0
R4290 0
PW_SW5R4V
IO
C4270 LB4271
100P
J0JYC0000656
C4269
100P
C
IO AMP_FHOP
FL+_LO
DS
D
DS FL+_HI
DS AMP_GND
DS AMP_-5V
DS AMP_+5V
DS FR+_LO
DS FR+_HI
E
PW_SW3R3V
IO
IO DAMP_MOD_DA
DGND
IO
F
AB PW_-29V
AB AMP_SHUTDOWN
AB PW_THERMO
AB AMP_TEMP_DET
G
IO: MAIN (IO EXPANSION): SCHEMATIC DIAGRAM - 1
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 3
AB: MAIN (AMP BTL): SCHEMATIC DIAGRAM - 4 ~ 5
H
NOTE: " * " REF IS FOR INDICATION ONLY
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE
C4279 C4278
IC4201
R4282
47P 47P
0
C0JBAB000902
OSCILLATOR AMP
R4281
X4201
1M
H2A464300001
R4280
1K
D4219
8 4Y VSS 7
0
DA2J10100L
9 4A 3Y
6
1K
R4279 X4202
10 5Y 3A 5
1M H2A500300018
11 5A 2Y 4
1M
D4218
6Y 2A
12 3
DA2J10100L
13 6A 1Y 2
14 VDD
1A 1
C4271
1
R4284 R4283
4.7K 22
B1GBCFJJ0040
C4213 100P R4210 8.2K
C4214 2.2 R4209 2.2K
C4218 100P R4213 8.2K
C4220 2.2 R4214 2.2K
C4203 2.2 R4206 2.2K
C4209 100P R4207 8.2K
C4208 2.2 R4203 2.2K
C4207 100P R4205 8.2K
QR4203
B1GDCFJJ0047
SWITCH
R4259
10K
IC4203
VD
C0ZBZ0001675
4 3
VTEMP
TEMPERATURE SENSOR
GND
2
OS
5 CTRL 1
C4256
0.1
4 5 6
7 8 9
: AUDIO SIGNAL LINE
C4277 100P
C4276 100P
C4275 100P
C4274 100P
C4273 0.01
C4272 0.01
QR4202
SWITCH
C4202 2.2
R4211 150 C4217 1000P
C4215 C4216 2200P
2200P
C4221 1000P
C4219 2200P R4212 150 C4222 2200P
R4201 10
R4202 10
C4212 2200P C4211 2200P
R4208 150 C4210 1000P
C4204 2200P C4205 2200P
R4204 150 C4206 1000P
C4229 10
C4201 2.2
R4257
1.5K
D4209
DA2J10100L
QR4201
B1GBCFJJ0040
SWITCH
R4272
0
7 8 9
26
10 11 12
D4208
B0ACGM000002
R4249 4.7
R4216 R4219
5.6K 4.7K
R4247 D4207
B0ACGM000002
10K
R4215
2.2K R4248 47K
C4228 R4250 R4252
3.9K 10K
22
R4251 47K
R4246 22
R4245 22
R4244 47K
C4227 R4242 R4243
22 3.9K 10K
36 35 34 33 32 31 30 29 28 27 26 25 R4241 4.7 D4205
R4240 47K
COMP3 VB3 24
37
D4206
38 IN3 CSH3 23
R4237 22
R4239 10K
39 COMP4 LO3 22
[36] VREF [26] VS3
R4238 22
IN4 LO4 21
40 [35] OCSET [25] HO3
41 GND [34] DT COM2 20
42 VSS NC 19
IC4202 C4224
1
43 VAA C0ZBZ0001673 NC 18
R4220 4.7
44 IN2 VCC2 17
AUDIO AMPLIFIER DRIVER
R4227 22
COMP2 LO2 16
45
R4229 22
46 IN1 THERMAL LO1 15
R4223 10K D4202
PAD
47 COMP1 CSH1 14
R4226 47K
VB1 13
48 CSD
R4221 4.7 D4201
T1
C4225 R4222 R4224
1 2 3 4 5 6 7 8 9 10 11 12
22 3.9K 10K
R4225 47K
R4228 22
R4234 22
R4233 47K
R4235 R4236
D4204
10K
3.9K
B0ACGM000002
R4232 4.7
R4231 47K
R4230 D4203
10K
B0ACGM000002
1/2 2/2
SA-MAX8000GS/GM MAIN (AMP SINGLE) CIRCUIT
10 11 12
13 14
TO MAIN (AMP SINGLE)
CIRCUIT (2/2)
DGND
VS4
VS3
1
2
B0ACGM000002
B0ACGM000002
3
4
PW_-40V
5
6
B0ACGM000002
B0ACGM000002
7
8
PW_+40V
VS1
VS2
P1
13 14