Sony HCD-EC55 - Page 50

50
HCD-EC55/EC77/GX99
IC101 STK433-060 (EC55)/STK433-070 (EC77: EXCEPT US, CND)
IC102 STK433-090-E (EC77: US, CND/GX99)
– HI-AMP Board –
SUB
Bias Circuit
Pre Driver
CH1
Pre Driver
CH2
321
4
6 5
8
7
13
10
11
12
9
14
15
-PRE
-VCC
+VCC
LO+
LO-
RO+ RO-
+PRE
SUB
GND
LI+ LI-
ST-BY
RI-
RI+
IC101 STK433-070 (EC77: EXCEPT US, CND)
IC102 STK433-090-E (EC77: US, CND/GX99)
– LOW-AMP Board (EC77/GX99) –
SUB
Bias Circuit
Pre Driver
CH1
Pre Driver
CH2
321
4
6 5
8
7
13
10
11
12
9
14
15
-PRE
-VCC
+VCC
LO+
LO-
RO+ RO-
+PRE
SUB
GND
LI+ LI-
ST-BY
RI-
RI+