Sony CMT-BT60 Service Manual page 51

IC851 AM5890S
+
VINFC 1
TRB1 2
REGO2 3
+
VINSL+ 4
REGO1 5
FWD 6 PRE
DRIVER
REV 7
VCC1
VCC1 8
VOTR– 9
TRAY
DRIVER
VOTR+ 10
VOSL+ 11 SLED
DRIVER (4x)
VOSL– 12 VCC1
VOFC– 13 ACTUATOR
DRIVER (6x)
VOFC+ 14 VCC2
IC902 – 904 TPS54332DDAR
BOOT 1
BOOT THERMAL
CHARGE SHUTDOWN
VIN 2
SHUTDOWN
LOGIC
EN 3
SS 4
MUTE
+
VOLTAGE
DETECTION
+
SPINDLE
DRIVER (4x)
VCC2
ACTUATOR
DRIVER (6x)
VCC2
THERMAL
SHUT DOWN
ENABLE
COMPARATOR
ENABLE THRESHOLD
12 A/V
CURRENT
SENSE
CMT-BT60/BT60B/BT80W/BT80WB
28 MUTE
27 BIAS
26 VINTK
+
25 TRB2
24 RESET
23 VINLD
22 GND
21 VCTL
20 VCCD
VCC2
19 VCC2
18 VOLD–
17 VOLD+
16 VOTK–
15 VOTK+
BOOT
UNDERVOLTAGE
LOCKOUT
MAXIMUM CLAMP
PWM
LATCH
S
GATE
DRIVE
LOGIC
Q R
COMPENSATION
FREQUENCY
OSCILLATOR
SHIFT
MAXIMUM
CLAMP
DISCHARGE
LOGIC
ECO-MODE
VOLTAGE
REFERENCE
PWM
COMPARATOR
+
+
–
ERROR
AMPLIFIER
SLOPE
8 PH
7 GND
6 COMP
5 VSENSE
51