Panasonic TU-Z100U Service Manual page 82

12.2.21. A-Board (19/19) Schematic Diagram
A-BOARD TZTNP02DKUU (19/19)
!
TUNER,FRONT_END_PROCESSOR
!
TU8300
ENGE6610KF
TUNER
NC
1
NC
2
NC
3
L-out
4
R-out
5
RF-AGC_Monitor
7
Video-out
8
VB
9 C8307 C8310
50V 16V
1000p 0.1u
BT_Monitor
11
BTL
12 C8308 C8311
50V 35V
22u
0.01u
SDA
14
C8301
SCL
15
C8302
AFT-out
16
C8303
+B
17 C8312
C8309
50V 16V
IF_Monitor 1000p 0.1u
18
R8304
IF-AGC
19
R8301
IFD-out1
20
R8300
IFD-out2
21
163 164
TUNER6V
R8315
R8353
220 C8349
10k
10V
10u
IC8304
C0DBGHF00001
TUNER5V
TUNER5V
TP8306
C8351
10V
10u
J0JHC0000045
C8328
16V
0.1u
R8306
VJUMP1005-P
AC_TV1_L
P
AC_TV1_R
P
R8307
VJUMP1005-P
R8308
VJUMP1005-P RF_VIDEO_OUT
R8318
P 1k
FE_IF_AGC
C8313
L8300
6.3V
J0JHC0000045 C8326
220u
16V
BT30V 0.01u
SUB3.3V
TP8300
L8301
J0JHC0000045
L8307
J0JHC0000045
R8302 C8327 C8329
47 FE_SDA_TU 16V 10V
0.1u 10u
R8303
50V 220p FE_SCL_TU
47
R8305
50V 220p RF_AFT
0
50V 220p
C8314
L8302
6.3V
J0JHC0000045
220u
FE_IF_AGC
0 C8322 C8324
L8303 R8312 50V 16V
IF_OUT_P R8309 0 G1CR39JA0020 0 1000p 0.1u
0
C8315 C8321
0 L8305 C8323 R8316 C8325
50V 1000p 50V
L8304 G1CR10JA0020 50V 470 16V
120p
IF_OUT_N R8310 0 G1CR39JA0020 1000p 0.1u
C8316 R8313
0
50V 1000p
165 166
Q8302 R8356
10k
2SC584500L
R8354
10k
Q8301 AG_TV_SUB_ON TO 4,9,14,18/19
2SC584500L R8355
47k
C8353
50V
470p
I2C, IFAGC TS
SUB3.3V
L8308
SUB1.2V
C8330
10V
10u
L8309
J0JHC0000045
IC8300
MN88436 C8340
16V
0.1u
FRONT END
PROCESSOR
C8331
16V 0.1u
37 24
R8335
38 23
VDDH2 SCK
47
39 22
AGCIF VDDH1
AGCRF
40 21
VDDL2 VSS2 SADR0
R8337 C8341
41 20
TESTA NRST
10k 16V
C8333 R8319 42 19 FE_XRST
ADIRF Thermal GPO6 TP8302 0.1u
16V 0.1u
C8334 16V 0.1u 43 18
Pad
ADVRH GPO5
C8335
16V 0.1u 44 17
ADVRL GPO4
45 16
VDDA GPO0 GPO3
46 CSEL1 15
ADINN VDDH0 GPO2
47 14
ADINP GPO1
48 13
C8332
16V
0.1u
3.3V
1.2V
R8323
220
X8300 R8328
H0J250500079 100
C8338
C8336
50V
50V
12p
12p
167 168
82
RF_AFT
RF_AFT TO 9/19
TP8303
AC_TV1_R
AC_TV1_R
TP8304
AC_TV1_L
AC_TV1_L TO 8/19
TP8305
AC_TV1_V
AC_TV1_V
R8338
47k
CH0CLK
CH0CLK
CH0DATA
CH0DATA
TO 1/19
CH0PSYNC
CH0PSYNC
CH0VAL
CH0VAL
CH0CLK
VI2P21
AVC_SDA2
AVC_SDA2
TO 3,8,10,13/19
AVC_SCL2
AVC_SCL2
SUB3.3V
I2C, IRQ, RST
R8327
47k
XIRQ2
XIRQ2 TO 1/19
VI2P21 FE_XRST
VI2P21 TO 1/19
R8350
47k
169 170 171