Panasonic SA-BT300PX Service Manual page 97

SCHEMATIC DIAGRAM - 29
B MAIN CIRCUIT
: +B SIGNAL LINE
P1
2
1
R3202
100K
AGND
R3203
R3224
100 R3208
100K
100K
R3204
100K
R3210
R3223
100K
R3212
R3206
100K
C3201
0.1
9 10 11 12 13 14 15 16
CTRL Y1 Z0 Z1 Z W W0 VDD
C0JBAR000300
VSS VEE Y0 Y X X1 X0 W1
8 7 6 5 4 3 2 1
C3202
0.1
A-7V R3214 R3216
100K 100K
R3213 R3215
1K 1K
R3221 100K
R3222 100K
TO MAIN
SECTION (6/8)
29 30 31 32
: -B SIGNAL LINE : BD/DVD AUDIO INPUT SIGNAL LINE : iPod/AUX/MIC AUDIO INPUT SIGNAL LINE
SR_AVRS_IN SL_SELOUT
SR_SELOUT
SBL_AVRS_IN
IC301
C0JBAR000002
DUAL 4CH ANALOG
SBR_AVRS_IN
100K R3209 100
MULTIPLEXER
R3211 100 SL_AVRS_IN
100K
SBL_AVRS_OUT
SBR_AVRS_OUT
A+7V
R3231
47K
IC3201
2CH ANALOG
MULTIPLEXER
C304
1
AVRS_ON_H
R306
1.5K
QR3201
B1GBCFJJ0051
INVERTER
SL_AVRS_OUT
SR_AVRS_OUT
IC302
C1AB00003104
2CH ELETRONIC VOLUME
R351
18K
A-7V
AGND
33 34 35
: iPod VIDEO INPUT SIGNAL LINE
TO MAIN
SECTION (3/8)
R303 5.6K
R304 5.6K
R324
6.8K
R322
C321
16 15 14 13 12 11 10 9
0.1
VDD X2 X1 XX X0 X3 A B
QR322
Y0 Y2 YY Y3 Y1 INH VEE VSS
B1GBCFJJ0051
C322
1 2 3 4 5 6 7 8 INVERTER
0.1
R325
6.8K
QR321
R323
B1GBCFJJ0051
INVERTER
R311 47K
R312 47K
C3005 1
C3007 1
C3008 1
C3006 1
C303
C305
R308
1
1 3.9K
R305
1.5K
R310
3.3K
C310
0
C333 C334
C331 C332
0.1 16V220
16V47 0.1
R331 1K
14 13 12 11 10 9 8
C335
220P
C336
220P
1 2 3 4 5 6 7
R332 1K
C306 R307
R309
C309
1 3.9K
3.3K
0
C351
R352
4.7 470
Q351
B1ADCE000012
MUTING CONTROL
R354
6 1
10K
R353 R355
5 2
22K 22K
4 3
R357 R358
1.2K Q352 1.2K
B1GFGCAA0001
MUTING
36 37 38
97
: AUDIO OUTPUT SIGNAL LINE : FM SIGNAL LINE
BD_SBR
A+7V
47K
CBCH_SW
SB_CNT
47K
A-7V
BD_SBL
SBL_AVRS_IN
SBR_AVRS_IN
SBR_AVRS_OUT
SBL_AVRS_OUT
SBL_VOLOUT
TO MAIN
SECTION (8/8)
A9V
SB_VOL_CLK
SB_VOL_DATA
SBR_VOLOUT
D3R3V
WS_ON_H
WS_CNT
1/8 2/8 3/8 4/8
5/8 6/8 7/8 8/8
SA-BT300PX MAIN CIRCUIT
39 40 41
P1
42