Read Sony TCM-900DV Service Manual online
21
TCM-900DV
IC601 LB1979VL-TLM
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
SOFT
SW
MIX
CURRENT/MOTIVE
LOGIC
WAVEFORM
DETECT
PRE
DRIVER
OUTPUT
CURRENT DETECT
SPEED
DETECT
REFERENCE VOLTAGE
FOR SPEED CONTROL
POWER SUPPLY
BIAS
REFERENCE
VOLTAGE
OSCILLATOR
CIRCUIT
MOTIVE POWER
DETECT
+
–
FC GND
FC
RI
OUT
VSP
IN+
VREF
S/S
COM
OSC
WB
VCC
NC
U OUT
V OUT
W OUT
P-GND
VB
UB
GND
LCD DRIVER
BIAS CIRCUIT
COMMAND
/DATA
REGISTER
COMMAND
DECODER
TIMING
GENERATOR
LCD COMMON
DRIVER
45 BITS
SERIAL
INTERFACE
ADDRESS
COUNTER
DISPLAY DATA RAM
(DD RAM)
COMMON
COUNTER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
LCD
SEGMENT
DRIVER
18 BITS
OSC1
OSC2
VSS
VC
VLCD
VDD
SCK
SO
CS
CD
COM1
COM2
COM3
COM4
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
IC901 BU9735K-E2
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