Panasonic SA-HR45E Service Manual page 46

SA-HR45E / SA-HR45EG
SCHEMATIC DIAGRAM - 4
MAIN CIRCUIT
: +B SIGNAL LINE
Q206
B1ABDC000010
HEADPHONE MUTING
R209
CONTROL
56
R213 C251
1K 0.1
W534
R205
C277
R211 0
150
16V47
56
R285
R297
R207
47K
1K
150
Q215
C205
2SD1915FTA
1000P
MUTING SWITCH
W540
0
Q207
B1ABDC000010
HEADPHONE MUTING
CONTROL
R214
1K
R206 R210
C278
150 56 R212
16V47
56
R284 R298
R208
47K 1K
150
C206
1000P Q214
2SD1915FTA
R286
MUTING SWITCH 8.2K
Q200
B1GDCFJJ0037
MUTING CONTROL
R243
470K
R272 W560
1K 0
Q201
B1GDCFJJ0037
MUTING SWITCH
Q202
B1GBCFJJ0040
MUTING SWITCH
Q203
B1GBCFJJ0040
MUTING SWITCH
R273
1K
: -B SIGNAL LINE : MAIN SIGNAL LINE : MUSIC PORT SIGNAL LINE
HP_L
C239
50V1
SW_OUT
HP_R
C_OUT
R287
470K
-7.5V
W524 R143 R142 C147
0 1K 100K 1000P
RDS_CLK
C149 C148
1000P 16V47
W525 R144 R141 C146
SYS6V
0 1K 100K 0.01
RDS_DT
C145
47P
HP_MUTE
16 15 14 13 12 11 10 9
IC140
C1BB00000987
RDS
-7.5V
1 2 3 4 5 6 7 8
C144
C143 C142 C141
25V10
SR 560P 47P
16V47
R140
1K
MUTE_ALL
MUTE_SC
SYS6V
SL
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
CN200A
18
TO
DIGITAL AMP
CIRCUIT
(CN200B) IN
SCHEMATIC
DIAGRAM-6
R236 R235
1K 3.9K
R270 B1ABDC000010
C250
C174 R237
1K
16V10
0.082 3.3K SWITCH
C244
R268
0.1
R275
C269 47K
10K 4 3 2 1
3900P
D203
D204
IC205
B0JCAE000001 B0ACCK000005
C0ABBB000297
D206 D205
R276
DUAL OP-AMP
B0JCAE000001
10K B0ACCK000005
Q216
B1ABDC000010
SWITCH
5 6 7 8
C235 C238
C248
0.47 150P
0.1
R229 R230 C249
12K 15K 16V10
R277
22K
R267
R294 22K
R292
1K
1K
C274
W532
0.1 C264 50V10
0
R296
8 6 5
7 0
R254 R256 C266
47K 100K 100P
IC207
C0ABBB000297
DUAL OP-AMP
1 2 3 4
C265 50V10
R295
L141
0
J0JBC0000041
C273
R255 R257 C267
0.1
R291 47K 100K 100P
1K
L140
J0JBC0000041
1 2 3 4 5 6 7
CN400
1
TO
VOLUME
CIRCUIT
(JW400) IN
SCHEMA TIC
DIAGRAM-8
46
C1006 0.18
SNE3
Q213
Q208
B1GDCFJJ0037
MUTING CONTROL SW
C1007 0.18
SNE4
R247 R248
1K 8.2K
C254
0.1
W531
SNE1 C1002 0.18
0
SYS6V
R249
470K
Q209
B1GBCFJJ0040
C1003 0.18
MUTING SWITCH
SNE2
W518
0
MUTE_ALL
R239
DC_DET
1K J1
S_DET
+7.5V
BEAT _PROOF
R299
1.5K FAN_LOCK
C
HP_MUTE
PCONT
VREF
D302
B0ACCK000005
SYS6V
MUSIC_PORT2_R_AUX
MUSIC_R
R258
1K
D303
B0ACCE000003
D304
B0ACCE000003
+5V
VCC
-7.5V
MUSIC_L
R259
1K
VOL_CLK
VOL_DT
MUSIC_PORT2_L_AUX
F_HOP
D307
B0ACCK000005
R309
1 A0
IC302
2 A1 EEPROM
(NOT SUPPLIED)
3 A2
4 VSS
TUNER_DT
TUNER_CLK
1/3 2/3
R3077 47K
R3070 10K
R3071 47K
R3072 47K
R3073 10K
R3074 10K
R3075 10K
R3065
10K
R301 15K
R302 15K
W561
0
R303 R304
W537 0 33K 33K
R3076 10K R3050 1K
R307 10K R305 1K
R308 10K R306 1K
C307 C306 C305 R3057
6.3V100 0.01 0.01 10K
W541 R3056
0 3.3K
W535
0
R323
4.7K 270
C319
6.3V100
VCC 8
R310
47K
WP 7
SCL 6
SDA 5
R318 R317
10K 10K
SA-HR45E/EG MAIN CIRCUIT
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