Sony HCD-HPZ7 Service Manual page 184

HCD-HPZ7/HPZ9
QQ
3 7 63 1515 0
• IC Block Diagrams
– BD Board –
IC402 BA5947FM-E2
28
27
1 2
TE
L 13942296513
– AMP Board –
IC601 STK433-060 (HPZ7:CND)
IC601 STK433-070 (HPZ7:AEP,UK,CET)
IC601 STK403-090-S (HPZ9)
PRE DRIVER R1
IC CH1
R2
C1
1 2 3 4
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74
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26 24 22
25 23
+ –
INTERFACE
INTERFACE
INTERFACE
5 7
3 4 6
C3 C4
TR1 TR4
R5 R7
R3
TR3 TR6
R4
R6 R8
TR2 TR5
BIAS CIRCUIT
SUB
5 6 7 8 9
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2 9
8
20 18
21 19 17
MUTING
D D
D D
VREF
9 11
8 10 12
Q Q
3 6 7 1 3 1 5
PRE DRIVER
IC CH2
C2
10 11 12
co
.
9 4 2 8
16
15
D D
LEVEL SHIFT
D D
13
14
0 5 8 2 9 9 4 2 8
IC602 RT8H015C-T112-1
6 5 4
OVER LOAD DC
DETECT DETECT
1 2 3
m
9 9
9 9