Panasonic VIERA Link SC-ZT2EE Service Manual page 156

18.1.8. MAIN CIRCUIT (2/6)
15 16 17
SCHEMATIC DIAGRAM - 8
C MAIN CIRCUIT
P1
A+7V
A-7V
JW1A*
TO JW1B*
AGND
R4305
R4301
390
2.2K
V_LOUT
R4303
2.2K
IC4301
C0ABBB000230
OP-AMP
R4304
2.2K
R4302
2.2K
V_ROUT
R4306
390
R4325
6.8K
R4321
2.2K
V_SLOUT
IC4302
C0ABBB000230
OP-AMP
R4322
2.2K
V_SROUT
R4326
6.8K
C4347
1
V_SWOUT
C4345
1
IC4303
C0ABBB000230
OP-AMP
R4342
R4346
1K
390
TO MAIN
C4357 16V10
SECTION (1/6)
C4358 16V10
18 19 20
: +B SIGNAL LINE : -B SIGNAL LINE : AUX/OPTICAL/HDMI AUDIO INPUT SIGNAL LINE
R4307 R4311
3.9K
1K
Q4301
B1HBDCA00001
C4305 C4307
C4309
1000P 390P MUTING
1
3 4
4 3 2 1
V-
2 5
R4314
1K
1 6
R4313
V+
1K
5 6 7 8
C4310
C4306 C4308
1
1000P 390P
B1GBCFJJ0007
R4312
1K
R4308
3.9K
R4327
2.2K
R4331
1K
QR4310
Q4302
C4325 C4327
B1GDCFJJ0008
B1HBDCA00001
C4329 SWITCH
1000P 390P MUTING
1
3 4
4 3 2 1 R4334
1K
V-
2 5
R4394
1 6
V+
5 6 7 8
R4333
C4330
1K
C4326 C4328
1
1000P 390P
AGND
R4332
1K
R4328
2.2K
Q4303
B1HBDCA00001
QR4312
MUTING
B1GDCFJJ0008
SWITCH
3 4
R4354
4 3 2 1
1K
V-
2 5
1 6
V+
5 6 7 8
R4353
C4350
C4346 C4348
1K
1000P 100P 1
R4352
R4348
4.7K 1K
21 22 23
: AUDIO OUTPUT SIGNAL LINE
R5593
R5592
LINEOUT_DET
FL_OUT
R5596
+5VA 0
SYS4.0V
HDMI_MUTE
QR4305
A-7V
B1GDCFGG0005
HDMI MUTE
HDMIMUTE_DIS
QR4306
B1GDCFGG0005
HDMI MUTE
QR4307
SWITCH
V_LOUT
FR_OUT
R4361
1K
SL_OUT
IC4304
C0AABB000085
OP-AMP
SYS3.3V
QR4309
R4362
B1GDCFJJ0008 1K
V_ROUT
SWITCH
2.2K R4366
390
MUTE_AMP
A+7V
QR4308
B1GBCFJJ0007
AMP MUTE
A-7V
SR_OUT
QR4311
R4397
1K B1GBCFJJ0007
HP MUTE
MUTE_HP
SW_OUT
TO MAIN
SECTION (5/6)
156
24 25 26
10K
1K Q5510
2SB0621AHA
DC DETECT
C5592
6.3V1200
R4367
R4365
390 10K
C4369 R4371 R4375
C4365 C4367 R4379
82 82
1000P 100P 16V100 82
R4373 R4377 R4381
82 82 82
Q4304
B1HBDCA00001
MUTING
4 3 2 1
3 4
V-
2 5
1 6
V+
5 6 7 8
C4366 C4368 R4372 R4376 R4380
1000P 100P
82 82 82
C4370
R4368 R4382
R4374 R4378
16V100
10K 82
82 82
1/6 2/6 3/6
4/6 5/6 6/6
SC-ZT2EE/GS(SU-ZT2EE/GS) MAIN CIRCUIT
27 28
P1
HP_LOUT
Q4305
B1HBDCA00001
MUTING
HP_GND
3 4
2 5
1 6
HP_ROUT
3
TO MAIN
SECTION (3/6)