Read Sony HCD-GZR888DA / HCD-GZR999DA Service Manual online
HCD-GZR888DA/GZR999DA
5
• IC Block Diagram
– POWER AMP Board –
IC401 STK413-530-E
IN Ch1
14
+Pre
13
NF Ch1
15
IN Ch3
NF Ch3
STBY
16
NF Ch2
17
IN Ch2
19 20
18
+
–
–Pre
12
OUT
Ch1–
9
OUT
Ch1+
GND
7
–VH
6
+VH
1
+VL
2
+OFFSET
3
–OFFSET
4
STANDBY
CIRCUIT
COMPARATOR
PRE DRIVER
CH1
+
–
PRE DRIVER
CH2
+
–
PRE DRIVER
CH3
8
OUT
Ch3–
22
OUT
Ch3+
21
OUT
Ch2+
11
OUT
Ch2–
10
–VL
5
COMPARATOR
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