Sony MHC-V41D, Service Manual

Page: 58 / 72

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