Driver Board - Sony HCD-HPX9 Service Manual

HCD-HPX9
– CONNECTOR BOARD –
IC801, 811 BA6956AN
– MAIN BOARD –
IC302 BD3402KS2
64
1
D1
D2 2
3
E1
INPUT
SELECT
E2 4
PBNF2 5
PBOUT2 6
+
PBOUT1 7
−
PBNF1 8
NC 9
NC 10
TAPE 1 11
TAPE 2 12
RECNF2 13
RECOUT2 14
ALC
ALC
+
RECOUT1 15
−
RECNF1 16
DIGITAL
CONTROL
17 18
78
1 2 3
63 62 61
−
+
−
+
BUFFER
MIX
19 20 21 22 23
– DRIVER BOARD –
IC701 BA6956AN
TSD
CONTROL LOGIC
4 5 6 7 8 9
60 59 58 57 56 55 54 53
ATT
ATT
−
+
−
+
24 25 26 27 28 29 30 31
52 51 50 49
TONE
CONTROL
TONE
CONTROL
+
−
+
−
32
48 NC
47 NC
46 NC
45 NC
44 BNF1
43 BOUT1
42 BOUT2
41 BNF2
40 NC
39 TONE OUT2
38 VIN2
37 TONE OUT1
36 VIN1
35 NC
34 NC
33 VOLOUT1