Panasonic PV-DF2700-K Service Manual page 357

AUDIO II SCHEMATIC DIAGRAM
SW+9V 1
TUNER1 AUDIO L CH 2
TUNER1 AUDIO R CH 3
11
10
9
8
TO AUDIO I
R4301
100U
7
C4303
0.01
R4317
33K
TUNER2 AUDIO L CH 4
R4318
TUNER2 AUDIO R CH 5
18K
FM AUDIO R CH 6
R4319
33K
R4320
22K
6 16 15 14 13 12 11 10 9
VDD
B
GND VEE GND
B
1 2 3 4 5 6 7 8
R4321
33K
R4322
5
22K R4313
R4314
18K
33K
SW+5V(VIDEO) 7
FM AUDIO L CH 8
R4302
C4302 C4304
100U
4 100/6.3V 0.01
SW+5V 9
AUDIO(L-R) 10
AUDIO(L+R) 11
SW+12V 12
LINE1 AUDIO L CH 13
LINE1 AUDIO R CH 14
3
SW-5.1V 15
LINE2 AUDIO R CH 16
V CHIP MUTE(H) 17
LINE2 AUDIO L CH 18
2
1
A A A B C D
R4224 39K
R4206 39K
R4220 33K
R4225
18K
R4230 27K R4214 0
C4226 10/16V
R4213 C4227
12K 0.1
R4216 100
R4217 100
R4218 R4219
47K 47K
R4221
R4205
R4226 39K
A
J4277
B
B
C4301 C4305 C4307
100/6.3V 0.01 0.01
R4307
18K R4315
0
R4309
10K
8 7 6 5 16 15 14 13 12 11 10 9
VCC VDD
IC4301 IC4303
IC4302
BU4052BCF BU4052BCF
UPC4570G
INPUT (OP AMP) INPUT
SELECT SELECT
- + GND VEE GND
VEE
1 2 3 4 1 2 3 4 5 6 7 8
R4308
18K
R4310
10K
R4316
0
J4278 A
B
C4306 C4308
0.01 0.01
B B
30 29 28 27 26 25 24 23 22 21 20 19 18
E F G H
C4211
33/6.3V
C4213
0.047
C4231 1/50V
R4202 R4204
C4207 1/50V
4700 510
C4205 1/50V
C4203 1/50V
R4208 R4222 C4209
18K 15K 0.1
36 35 34 33 32 31 30 29 28 27 26 25
+5V
LINE2
C4225 1/50V TUNER
37 AMP 24
L+R
R4215 1K NOISE REDUCTION
AUDIO
38 AMP /COMPRESSOR 23
MUTE(H)
VCO REC LPF
/EXPANDER C4224 0.22
L TP4206
39 22
+12V PB
SWITCHING NOISE 1.7MHz
PB LPF
C4228 47/6.3V RF AGC COMPENSATOR BPF
REC
40 DETECTOR 21
LIMITER PC
C4223 0.01
FM
41 RF AGC 20
BPF LIMITER
SW
TP4208
NOISE
42 19
MUTE GND
DETECTOR
R
HOLD
R
43 L TIMING 18
SWITCHING NOISE
R4228 100
COMPENSATOR L
R
44 17
I2C
C4229 10/16V LIMITER PB LPF R4229 100
BUS
MUTE
45 16
AMP PC
REC
L
C4230 10/16V PB
AMP 1.3MHz
46 PB 15
L BPF
REC
47 R NOISE REDUCTION 14
R4209 0
/COMPRESSOR REC LPF
R4210 15K
/EXPANDER
48 (L-CH) 13
VCO
IC4201 TUNER C4222
LINE1
AN3962FB-V LINE2
V-REF
+5V
Hi-Fi AUDIO
1 2 3 4 5 6 7 8 9 10 11 12
Z
PROCESS
C4201
10/16V
33K C4202 1/50V
39K C4204 1/50V
C4206 1/50V R4201 R4203
4700 510
C4232 1/50V
C4212
0.047
R4223 R4207 R4227 C4208 C4210
15K 18K 18K 0.1 33/6.3V
TP4201 TP4202
R4312 0
R4311 0
Q4351
2SD601A
Z
R4351
R4286 R4285
1K
C4275
R4283 C4274
C4351
10/16V
R4284
C4284
D4352
R4278 D4283
R4282 R4293 MA4120N-M
D4351
D4284
MA165
C4287 R4279
14 13 12 11 10 9 8
VEE
R4281
IC4271
(OP AMP)
R4280
- + + -
OUT VCC
1 2 3 4 5 6 7
R4274
D4281
C4286 R4275
R4277 R4292
C4285
D4282
R4276 C4273
R4271 R4272
J4275 J4276
C4356
10/16V
C4271
R4356
100
R4355
47K
Z
D4353
MA165
4 5 4 5
FL4271 FL4272
VLFS0014 VLFS0014
3 2 1 3 2 1
R4289 R4287
J4271 560 J4272 560
C4278 R4290 C4277 R4288
0.033 39K 0.033 39K
D4354
MA165
17
I J K L
REC AUDIO SIGNAL PB AUDIO SIGNAL
11 10 9 8 7 6 5 4 3 2 1 1 2
R4232
100
TP4207
TP4205
R4211 1500
R4212
1500
C4363
10/16V
+12V
REGULATOR
R4353 C4354 C4358 C4359 R4366
C4355
4700 0.01 0.01 10/16V 10K
10/16V
R4363 47K
Q4352
C4353
2SD601A
0.01 R4364 47K
(REGULATOR)
R4360
C4352
R4352 R4354 100K
10/16V
5600 4700
16 15 14 13 12 11 10 9
8 7 6 5 VDD H
VDD
IC4351 L
BU4053BCF
IC4352
UPC4570G (SW) H L
H L
(OP AMP)
GND
GND 1 2 3 4 5 6 7 8
1 2 3 4
C4357
10/16V
R4357
C4361 R4371
100
R4362 47K 10/16V 100
R4359
100K
R4361 47K R4370
47K
R4358
C4360
47K
10/16V
Q4355
Q4354
UN221L-TX
UN211L-TX
SWITCHING
SWITCHING
MUTE-ON
MUTE-ON
R4365
10K
16 15 14 13 12 11 10
UNLESS OTHERWISE SPECIFIED:
WATTAGE OF RESISTORS IS 1/10W
M N O P
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
Not Used A
3 4 5 6 7 8 9
PV-DF2700-K B
Not Used Z
R4367
10K
C4362
R4368
10/16V
47K
R4369 J4351
Q4353
100
UN2212
SWITCHING
DVD ON
VOLTAGE CHART
VJBS4036
Q