Sony CMT-BT60 Service Manual page 53

IC5008 TPS54332DDAR
BOOT 1
BOOT THERMAL
CHARGE SHUTDOWN
VIN 2
SHUTDOWN
LOGIC
EN 3
SS 4
– LCD Board –
IC5301 PT16511-LQ
48
ADDRESS
DETECTOR
PWM
DRIVER
SEG1/GP1/PW1 1
SEG2/GP2/PW2 2
SEG3/GP3/PW3 3
SEG4/GP4 4
SEG5 5
SEG6 6
SEG7 7
SEG8 8
SEG9 9
SEG10 10
SEG11 11
SEG12 12
ENABLE
COMPARATOR
ENABLE THRESHOLD
12 A/V
CURRENT
SENSE
47 46 45 44 43 42
CLOCK
GENERATOR
SHIFT
REGISTER
13 14 15 16 17 18 19 20 21 22 23 24
CMT-BT60/BT60B/BT80W/BT80WB
BOOT
MAXIMUM
UNDERVOLTAGE
CLAMP
LOCKOUT
ECO-MODE
MAXIMUM CLAMP
PWM
LATCH
S
GATE
COMPARATOR
DRIVE
LOGIC
Q R
SLOPE
COMPENSATION
FREQUENCY
OSCILLATOR
SHIFT
41 40 39 38 37
COMMON 36
DRIVER
35
34
33
32
SEGMENT DRIVER
31
&
LATCH 30
29
28
27
26
25
DISCHARGE
LOGIC
VOLTAGE
REFERENCE
PWM
+
+
–
ERROR
AMPLIFIER
COM2
COM1
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
8 PH
7 GND
6 COMP
5 VSENSE
53