Sony MHC-V41D Service Manual page 58

MHC-V41D
• IC Block Diagrams
– GESTURE Board –
IC7500 MGC3030
A/D
LOW POWER POWER MANAGEMENT
CONVERTER CONDITIONING
WAKE-UP UNIT (PMU)
EIO0/TS 1
A/D
EIO1 2 FLASH
CONVERTER CONDITIONING
EIO2 3 MEMORY
IS2 4
A/D
NC 5
GESTURE PORT
CONVERTER CONDITIONING
NC 6 AND INTERFACE
SELECTION
NC 7
A/D
EIO3 8
CONVERTER CONDITIONING
SIGNAL
PROCESSING
A/D
UNIT (SPU)
CONVERTER CONDITIONING
COMMUNICATION
EIO4/SI0 9
CONTROL (I2C)
VOLTAGE REFERENCE
EIO5/SI1 10
(VREF)
EIO6/SI2 11
EIO7/SI3 12
MCLR 13 RESET BLOCK INTERNAL
TX SIGNAL GENERATION
CLOCK
NC 14
– PANEL Board –
IC7000 TC62D723FNG
POR
GND 1
CIRCUIT
SIN 2
16-bit SHIFT REGISTER
SCK 3
COMMAND 16-bit ×2
DATA TRANSFER
TRANS 4 CONTROL STATE SETTING
CONTROL CIRCUIT
CIRCUIT REGISTER
PWM DATA
REGISTER
COMPARATOR
PWM
COUNTER
OUTPUT ON/OFF
POD
SETTING DATA CIRCUIT
REGISTER
OUTPUT
DELAY
CIRCUIT
TSD
CONSTANT
CURRENT CIRCUIT
OUTPUT
CIRCUIT
ERROR
DETECTION
RESULT DATA
REGISTER
OUT0 5 OUTPUT
OUT1 6 OPEN/SHORT
DETECTION
OUT2 7
CIRCUIT
OUT3 8
OUT4 9
OUT5 10
OUT6 11
OUT7 12
MHC-V41D
28 VCAPD
27 VSS3
26 VCAPA
SIGNAL
25 RX4
SIGNAL
24 RX3
SIGNAL
23 RX2
SIGNAL
22 RX1
SIGNAL
21 RX0
20 VSS2
19 VINDS
18 VCAPS
17 VDD
16 VSS1
15 TXD
24 VDD
23 REXT
SOUT
F/F
SELECTION 22 SOUT
CIRCUIT
21 PWMCLK
8-bit DAC
REFERENCE
VOLTAGE
20 OUT15
19 OUT14
18 OUT13
17 OUT12
16 OUT11
15 OUT10
14 OUT9
13 OUT8
– SMPS Board –
IC6300 NCP1240AD100R2G
VDD
OVP CMP
+ 50 us OVP VCC OVP
FILTER
OTP CMP
LATCH 1
350 us
OTP
+
FILTER
S
BROWN OUT
VCC
RESET R
OFF MODE
CMP1
+ IC START
S Q
R
OFF MODE
CMP2
GO TO OFF MODE
VFB (REG)
+ TIMER 500 ms
FREQ FOLBACK
CS REF
FB BUFFER
FB 2 +
+
V to I
VDD
SOFT START CMP
LEB 250ns
CS 3
ITRAN CMP
CS STOP CMP
LEB 120ns
+
GND 4
58 58
VCC MIN
VCC ON VHV DC
SAMPLE
VCC OVP
CMP
BROWN OUT +
10 us +
AC OFF
FILTER
UVLO
CMP
+ DUAL HV
UVLO
SG & X2 & VCC START-UP
CURRENT
CONTROL
TSD SOURCE
ON CMP VCC INT
LATCH
Q +
VCC REGULATOR
VDD REG
+
STOP
VDD
CMP
+
RESET +
POWER ON
OSC 65kHz
RESET CMP
JITTERING FM INPUT SQUARE OUTPUT
TON MAX OUTPUT
PFM INPUT SAW OUTPUT
RAMP OTA
+
MAX TON
SKIP CMP
+ SKIP B
VCC
CLAMP
PWM CMP
PWM
S Q
+
IC STOP B
R
+
ENABLE
SOFT START
SS END
TIMER
+ ITRAN
S Q TRANSIENT TIMER UP/DOWN
R
ILIMIT CMP
MAX TON
FAULT
+ S Q FAULT TIMER RESET
ILIMIT
IC STOP
R
LATCH
AUTO RECOVERY
TIMER
4 EVENTS TIMER
BROWN OUT
TSD
TSD
8 HV
6 VCC
5 DRV