Sony HCD-GTX66 Service Manual page 64

HCD-GTX66/GTX77
QQ
3 7 63 1515 0
IC301 HA12237F (MAIN Board (3/4))
REC OUT(L)
21 EQ
NC
22
ALC(L) 23
REC IN(L) 24
NC 25
PBOUT(L) 26
TA1(L) 27
28
EQOUT(L)
PBEQ(L) 29
TE
L 13942296513
PBNF2(L) 30
IC550 RT8H015C-T112-1 (MAIN Board (4/4))
6 5
OVER LOAD DC
DETECT DETECT
1 2
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64
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ALC DET
TEST I REF GND 1M VCC
20 19 18 17 16
ALC
MUTE
RETURN
SW
B
A
31 32 33 34 35
PB NF1 A IN RIP B IN REC
(L) (L) (L) RETN
4
3
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2 9
8
REC MUTE MUTE HIGH ALC
ON/OFF ON/OFF A/B /NORMAL ON/OFF
15 14 13 12 11
MUTE
Q Q
RETURN 3 6 7 1 3 1 5
SW
B
A
36 37 38 39
GND B IN NC A IN REC NF1
(R) (R)
IC565 PQ05RD21J00H (MAIN Board (4/4))
IC570 PQ09RD21J00H (MAIN Board (4/4))
1 2 3
VOUT VDD GND
co
.
9 4 2 8
10
EQ REC OUT(R)
NC
9
ALC(R)
8
7
REC IN(R)
6 NC
PBOUT(R)
5
4 TA1(R)
3
EQOUT(R)
2 PBEQ(R)
0 5 8 2 9 9 4 2 8
1 PBNF2(R)
40
(R)
IC
4
VC m
9 9
9 9