Panasonic SA-HT40EE Service Manual page 42

SA-HT40EE
SCHEMATIC DIAGRAM - 4
: +B SIGNAL
MAIN CIRCUIT
: MAIN SIGNAL LINE
Q206
B1ABDC000010
HEADPHONE MUTING
R209
CONTROL
56
R213
1K
R205 W534
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
Q214
1000P
2SD1915FTA
R286
MUTING SWITCH 8.2K
Q200
B1GDCFJJ0008
MUTING CONTROL
R243
470K
R272 W560
1K 0
Q201
B1GDCFJJ0008
MUTING SWITCH
Q202
B1GDCFJJ0007
MUTING CONTROL
Q203
B1GDCFJJ0007
MUTING SWITCH
(SURROUND /CENTER)
R273
1K
LINE : -B SIGNAL LINE
: AUX SIGNAL LINE
C251
0.1
R234
15K
C243
0.022
HP_L
R233
15K
C268
0.1
4
IC204
C0ABBB000297
DUAL OP-AMP IC
HP_R
5
R232
1.8K
COUT
R287
C239 C240
470K
-7.5V 50V1 50V0.33
SWOUT
R231
47K
SYS6V
HP_MUTE
-7.5V
SR_OUT
MUTE_ALL
MUTE_SC
SYS6V
SL_OUT
1 2 3 4 5 6 7 8 9 10
CN200A
18
TO
DIGITAL AMP
CIRCUIT
(CN200B) ON
SCHEMATIC
DIAGRAM-6
R236 R235
C247
1K 3.9K
0.33
C174
R237
0.082
3.3K
C244
0.1
3 2 1 4 3 2 1
D204,D206
IC205
IC204 IC205 B0JCAE000001
C0ABBB000297
DUAL OP-AMP IC
6 7 8 5 6 7 8
C235 C238
C242 C248
150P
0.1
0.1 0.1
R229 R230 C249
47K 2.2 16V1
R277
22K
R267
R294
R292
1K
1.5K
C274
W532
0.1
0
R296
8 7 6 5
0
IC207
IC207
C0ABBB000297
DUAL OP-AMP IC
1 2 3
4
R295
0
C273
R255
0.1
R291 47K
1K
11 12 13 14 15 16 17 18 1 2 3 4 5 6 7
CN400
1 TO
VOLUME
CIRCUIT
(JW400) ON
SCHEMATIC
DIAGRAM-8
42
Q213 Q208
B1ABDC0000010 B1GDCFJJ0008
R270
C250
1K
16V10
MUTING SWITCH MUTING CONTROL SW_OUT
R247 R248
1K 8.2K
R268 C254
47K 0.1 W531
0
SYS6V
R249
470K
Q209
D203,D205
B1GBCFJJ0007
B0ACCK000005
MUTING CONTROL
Q216
B1ABDC0000010
MUTE_ALL
R239
1K
MUTING SWITCH DC_DET
J1
S_DET
+7.5V
BEAT _PROOF
R299
1.5K
FAN_LOCK
CENTER
HP_MUTE
PCONT
22K
VREF
SYS6V
MUSIC_PORT2_R_AUX
C264 50V10 MUSIC_R
R258
1K
R254 R256 C266
47K 100K 100P
+5V
VCC
-7.5V
C265 50V10
MUSIC_L
R259
1K
C267
R257
100P
100K
VOL_CLK
VOL_DT
MUSIC_PORT2_L_AUX
F_HOP
W521 0
TUNER_DT
TUNER_CLK
R3077 47K
C1006 0.18
SNE3
R3070 10K
C1008 1
R3071 47K
R3072 47K
C1007 0.18
SNE4
C1002 0.18
SNE1 R3073 10K
C1003 0.18
R3074 10K
SNE2
R3075 10K
W518
0
R3065
10K
R301 10K
R302 10K
W561
0
R303
10K
W537 0
R3076 10K R3050 1K
R307 10K R305 1K
R308 10K R306 1K
D302
B0ACCK000005
C307 C306 C305 R3057
6.3V100 0.01 0.01 10K
W541
0
R3056
3.3K
D303
B0ACCE000003
D304
B0ACCE000003
W535
0
D307
B0ACCK000005
R323
270
R309 4.7K
C319
6.3V100
1 A0 VCC 8
R310
47K
2 A1 WP 7
IC302
(NOT SUPPLIED)
IC302
EEPROM
3 A2 SCL 6
4 VSS SDA 5
R318 R317
10K 10K
SA-HT40EE MAIN CIRCUIT
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