Sony TA-N77ES Service Manual page 17

3-3. SCHEMATTC
1
DIAGRAM
2
0308
2SAt360
CLASS A AMP
0309 Q3l0
2SAr383 2SK2460R2
CASCAOE CONSTANTCURRENT
R3r6
r 0 0
2Wl
(A$[HI,'",)
0302,303
2SC3423
C A S C Â D E
q30r 2sK244
O I F F E R N T I Â L Â M P
- L - C H -
cNr0l-2
lvaRrÀBGl
I
t N
I
( L / M 0 N 0 )
c il t0L-l
huml
t tùl
r L )
- R - C H -
cNt013
l?ùrîl
t N l
0 3 0 8 , 3 r 0
t 0 E 2
0303
0304
l 0 E 2
H Z 6 C 3 L
c309
4 7
c359
TVOLUME\
\BOARD I
Q354 254955
CURRENT MIRROR
;!ryri
0359
SELr2l0
c360
4 7
63V
c0|.tsT
u5J3
H Z I I L
q 3 5 l e
2 S K 2 4 4
D F F E R N T l  L
+
0 3 6 1 2
C O N S I A N l
TMAIN (AI BOARDI
0305
H Z I I L Y ,
0 3 i l , 3 1 2
HZ3AIL
R326
l M { t / 2 w )
2 S C 3 5 l 4
CONSTAilT
CURRÊNT
I orrr,rrz
I H Z 3 A l l
I
I
- - - - - - - - - - - -
INPUT BOA
IOI I
TLED (N BOARDI
t"-
_l
DB'T
)rliri*urtor' I sEL22los
_ _ J
ô 7
R 8 l 4
- J
t o r
s802
IiïFu1
F t x t 0
I
VARI ASLT
Q80r 2SC2458
L E D D R I V E
- 1 7 -
0804,808
sEL25r3n
0805,806
sEL25t3E