Panasonic SA-AK78 Service Manual page 25

1
SUB+B
4 2 5 10
+B2
-B
+B5
Q577
REGULATOR
LED7.5V
D203
SWITCH-
ING
+B3
+B6
D453
+B1
+B5
Q381,382
SW5V REGULATOR
+B7 REGULATOR
Q383,384
Q580
D581,582,587
-VP REGULATOR
/TUNER
P CNT
ECO
Vcc
VREF
VREF+
Q609
SYS6V
SYNC
ACIN
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STK470-050
IC503
REGULATOR
STB
11 6 12 3 9 8 13
Q578
D454
D385,456
Q385
SWITCH-
ING
D652
D653
Q610
D654
POWER
SUPPLY
POWER
SUPPLY
CONT.
REGULATOR
Q594
SYNC
DET.
25
Notes
1)
: CD SIGNAL LINE
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: TAPE RECORDING SIGNAL LINE
: SUB WOOFER/FRONT LOW SP DRIVE SIGNAL LINE
: SURROUND/HIGH SP DRIVE SIGNAL LINE
: MIC SIGNAL LINE
( ) indicates pin No. of Right channel.
2)
7
+B8
14
D561~564,
569,588
+B9
D565~568,
-B2
570
-B3
RLY501
D551~554
FL1
FL DISPLAY
(FL901)
FL2
Q591
RELAY
DRIVE
D594
D601
(AC IN)
D591,592
Q592
SA-AK78
T501
S501
(VOLT ADJ) AC IN
F2
F1
Z501
RLY502
T502