Sony MHC-V44D Service Manual page 47

• IC Block Diagrams
IC3001 TC62D723FNG (STR BOARD)
POR
GND 1
CIRCUIT
SIN 2
SCK 3
COMMAND
TRANS 4
CONTROL
CIRCUIT
ERROR
DETECTION
RESULT DATA
REGISTER
OUT0 5
OUT1 6
OUT2 7
OUT3 8
OUT4 9
OUT5 10
OUT6 11
OUT7 12
IC3003 BU9795AKS2 (STR BOARD)
52 51 50 49 48 47
COM2 1
COM3 2
LCD voltage generator
NC_3 3
VLCD 4
+
–
VDD 5 LCD BIAS
SELECTOR
+
VSS 6
–
OSCIN 7
CSB 8
SCL 9
OSCILLATOR
Power On Reset
SDA 10
NC_11 11
TEST 12
INHB 13
14 15 16 17 18 19 20
16-bit SHIFT REGISTER
16-bit ×2
DATA TRANSFER
STATE SETTING
CONTROL CIRCUIT
REGISTER
PWM DATA
REGISTER
COMPARATOR
PWM
COUNTER
OUTPUT ON/OFF POD
SETTING DATA CIRCUIT
REGISTER
OUTPUT
DELAY
CIRCUIT
TSD
CONSTANT
CIRCUIT
CURRENT
OUTPUT
CIRCUIT
OUTPUT
OPEN/SHORT
DETECTION
CIRCUIT
46 45 44 43 42 41 40
39 SEG23
38 SEG22
37 NC_37
Common Segment
driver
driver
36 SEG21
35 SEG20
Common Blink timing
34 SEG19
DDRAM
counter generator
33 SEG18
32 SEG17
Command
Command
register
Data Decoder 31 SEG16
Serial inter face
30 SEG15
IF FILTER
29 NC_29
28 SEG14
27 SEG13
21 22 23 24 25 26
24 VDD
23 REXT
SOUT
F/F
22 SOUT
SELECTION
CIRCUIT
21 PWMCLK
8-bit DAC
REFERENCE
VOLTAGE
20 OUT15
19 OUT14
18 OUT13
17 OUT12
16 OUT11
15 OUT10
14 OUT9
13 OUT8
MHC-V44D
47