Sony CMT-HPZ7 Service Manual page 186

HCD-HPZ7/HPZ9
• IC Block Diagrams
– BD Board –
IC402 BA5947FM-E2
28 27
1
– 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
74
26 25 24 23
+ –
INTERFACE
INTERFACE
INTERFACE
2 3 4 5 6
C3 C4
TR1 TR4
R5 R7
TR3 TR6
R6 R8
TR2 TR5
BIAS CIRCUIT
SUB
5 6 7 8
22 21 20 19 18
MUTING
D
D
VREF
7 8 9 10 11
R3 PRE DRIVER
IC CH2
R4
C2
9 10 11 12
17 16 15
D D D
LEVEL SHIFT
D D D
12 13 14
IC602 RT8H015C-T112-1
6 5
OVER LOAD DC
DETECT DETECT
1 2
4
3