Sony MZ-DH710 Service Manual page 34

MZ-DH710
• IC Block Diagrams
IC352 TA2131FLG (EL)
18 17 16 15 14 13
PW MT BST
BEEP
V REF 12 VREF
SW SW SW
LPF1
11
MT TC 19
VCC1 20
ADD
INB 21
10 BST NF1
BST1
INA
22
9 LPF2
BEEP PW PW
BST2
23 8 BST NF2
OUTB A B
7 BST OUT
BEEP
24
OUTA
BST
AGC
1 2 3 4 5 6
IC501 SN761059AZQLR
42 41 40 39 38 37 36 35 34 33 32 31 30 29
SERIAL
INTERFACE
POWER
VCC2 SUPPLY
VCC
A+B+C+D
NPPO 43
VCC2
AVCC2 44
AW+DW
TON PEAK
OFTRK 45 OFTRK
TON BOTM
T-ON
TON-C 46 TWPP
PK/BTM
ADIP
BOTM 47
PEAK/
BOTTOM
PEAK 48
D 49
TPP/WPP
A 50
TE
B 51
ABCD
C 52
AVCC VCC
53
JX 54
JY 55
FE
LY 56
1 2 3 4 5 6 7 8 9 10 11 12 13
MZ-DH710
28 CN
27 CPGND
26 CLK
TEMP
VREF09
I+J A-C
NPP D-C
TON MALFA
CSL MIJ
AWBPF
S-MONITOR DW
DWBPF
ADIP OFTTH
TE APC
ADIP-BPF
VFREF0.4
25 CCSL2
AW I-J
24 CDN
CSLO
23 ADFG
22 WPP-LPF
21 SMON
20 PD-BUF
19 PD-NI
18 PD-I
APC
17 PDO-SOURCE
RF
16 PDO-SINK
15 A-C
14
IC601 SC901585VAR2
84 83 82 81 80 79 78 77 76 75
CHARGE PUMP
VG
NC A12 85
HOLD OUT 86
HOLD
LOGIC
RST OUT 87 BUFFER
PVBUS
PVBUS 88
CRST 89
DVDD IN 90
DVDD OUT 91
HOLDC 92
OSC OUT 93
2.0V
SLEEP IN 94
RESET
RST IN 95
PGND2 96
RESET
LOGIC
REG IN 97
REG OUT 98
SUS IN 99
PGND2 100
TSBV IN 101
POWER SWITCH
TSBV OUT 102
DRIVER
CIRCUIT
V33R 103
PGND1 104
VSTB IN 105
VSTB OUT 106
BATSEL 107
V33RO 108
RF1 109
INM1 110
DTC1 111 PWM
VREC
VREC STEP UP-DOWN
VREC 112
CONVERTER DRIVER
1 2 3 4 5 6 7 8 9 10
IC602 R1160N121B-TR-FA
VDD 1 REGULATOR 5 VOUT
GND 2
CURRENT
LIMIT
CE 3
4 ECO
34 34
74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57
VG3 VIF
EFM BOTTOM
LVDT
PRE DRIVER
CONTROL
EFM TOP
PRE DRIVER
VBUS
LVDT
BANDGAP
DAC
SYSTEM
REFERENCE
CONTROL
H-BRIDGE
DRIVER
BUS POWER
STEP DOWN CONVERTER
DRIVER
SELFPOWER
STEP UP-DOWN CONVERTER
DRIVER
DAC PWM
VREF V3 STEP UP-DOWN
BUFFER CONVERTER DRIVER
VC
V3FB
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
56 LATCH
55 XWKO
WAKE
VBUS
54 VBUS
53 WAKEC
52 V33UO
51 VBUS DET
50 VBUSREF
49 L5 2
48 PGND5
47 PGND5
46 POWFB
45 L5 1
44 PGND5
43 VBUSSEL
42 CLM
41 POWP2
40 INP3
39 INP2
38 CLP
37 POWP1
VPDRV
36 VPDRV
35 RF2
34 DTC2
33 INM2
32 INM3
31 DTC3
30 RF3
29 NC M1