Sony MZ-RH10 Service Manual page 37

IC491 XC9103D092MR
CURRENT
FB 1 RIPPLE DETECT
& FB
VDD 2
+
–
ERROR AMP
VREF WITH
SOFT START
PWM/PFM
& CE
CONTROLLER
CE 3
IC501 SN761059AZQLR
42 41 40 39 38 37
NPPO 43
AVCC2 44 VCC2
OFTRK 45 OFTRK
T-ON
TON-C 46
BOTM 47 PEAK/
BOTTOM
PEAK 48
D 49
A 50
TE
B 51
C 52
VCC
AVCC 53
JX 54
JY 55
FE
LY 56
1
PHASE
COMPENSATION
VCC
PWM COMPARATOR
+
BUFFER,
DRIVER
–
RAMP WAVE
GENERATOR,
OSC
36 35 34 33 32 31 30 29
SERIAL
INTERFACE
POWER
VCC2 SUPPLY
VCC
A+B+C+D
I+J
NPP
TON
CSL
AW+DW
TON PEAK
TON BOTM
ADIP
TE
TWPP
PK/BTM
AW
ADIP
CSLO
TPP/WPP
ABCD
RF
2 3 4 5 6 7 8 9 10 11 12 13
5 EXT
4 GND
28 CN
27 CPGND
26 CLK
TEMP
VREF09
A-C
D-C
MALFA
MIJ
AWBPF
S-MONITOR DW
DWBPF
OFTTH
APC
ADIP-BPF
VFREF0.4
25 CCSL2
I-J
24 CDN
23 ADFG
22 WPP-LPF
21 SMON
20 PD-BUF
19 PD-NI
18 PD-I
APC
17 PDO-SOURCE
16 PDO-SINK
15 A-C
14
MZ-RH10
37