Ic Block Diagrams - Sony D-EJ119 Service Manual

D-EJ119/EJ120/EJ121

• IC Block Diagrams

IC301 TA2120FN (EL)
IC403 BH6580KV
DCIN
61
REGB
62
DET
63
DCIN S
64
CHGB
65
VMMNT
66
CHGMNT
67
BATM1
68
BATM2
69
BRK
70
PREGND
71
PWM
72
SOFTPWM
73
FG
74
CSL2
75
CSL1
76
WI
77
VI
78
UI
79
COM
80
16
BB PWR
SW BIASI BIAS SW
BSTO
21 20
24 23 22
BIAS
PW
SW
ADD
B
BST
ADD
A
PWC
SW
3 4
1 2
BST ADD RF IN OCL VCC
NF OUT
60 59 58 57 56 55 54 53
HV PROT
VCC VG
LEVEL
CONTROLLER
SHIFT
CHARGE
MONITOR
AMP
INPUT
SELECT
SLOPE
SIGNAL
+
−
+
LOGIC
−
+
−
VG
PRE DRIVE
1 2 3 4 5 6 7 8
MUTE MUTEC BEEP GND
18 17
19 16
BEEP
MT
SW ROUT
LOUT
PW
PW
PW
C
A
B
5 7 8
6 9
ROUT VREF LOUT PGND MIXO
52 51 50 49 48 47 46 45 44 43
CH1 CH2 CH3
H BRIDGE H BRIDGE H BRIDGE
CLK
SAWGEN
VM
VCC
−
+
VCC
−
+
VG
VG
VG
VCC3
9 10 11 12 13 14 15 16
RIN LIN ATT
15
14 13
ALC ALC
ATT
SW
ALC
DET
10 11 12
ALC ALC
IN DET
42 41
40 LATCH
39 DATA
INTERFACE
38 CLOCK
37 WAKEUP
36 XRST
RESET
35 RSTOUT
34 SYNC
33 PREGND
32 SOFT
10m SEC
31 SLOW
DELAY
30 EI
29 EO
28 VCC2NF
27 VCPUNF
26 PMG
25 STNG
VCC2
24 SEP
23 SEM
22 SEO
21 GSW
VCC
17 18 19 20