Sony HCD-GTR88 Service Manual page 47

IC400 R2A15216FP (MAIN Board (2/3))
56 55 54
1
INDR
6 INPUT
INER 2 SELECTOR
(R-CH)
INFR 3
GAMER 4
INGAINOUTR 5
RECAR 6
7
RECBR
8
SA1
9
SA2
+
+
+
10
TRER
TONE
11
MID1R
R
12 (TRE,
MID2R
MID,
BASS1R 13
BASS)
BASS2R 14
15
IC800 STK433-130-E (SUBWOOFER Board)
Pre Driver
CH1
1 2 3
53
+
VOCAL CUT
ELECTRICAL
VOLUME
16 17 18 19 20
Bias Circuit
SUB
4 5 6 7 9 10 11 12 13 14 15
8
52 51 50 49 48 47 46
REFERENCE
+
SURROUND OR DPL IN
+
AUTO
MCU
GAIN
INTERFACE
CONTROL
21 22 23 24 25 26
Pre Driver
CH2
HCD-GTR88
45 44 43
42
INDL
6 INPUT
SELECTOR 41 INEL
(L-CH)
40 INFL
39 GAMEL
38 INGAINOUTL
37 RECAL
36
RECBL
+
+
+
35
TREL
TONE
34
MID1L
L
(TRE, 33
MID2L
MID,
32 BASS1
BASS)
31 BASS2
30 TONEOUTL
ELECTRICAL
29 VOLINL
VOLUME
27 28
47