Sony MHC-V5 Service Manual page 65

IC001, 002 TPS542941PWPR
VREG5
VIN1 1
VBST1 2
SW1
3
PGND1 4
ZC1
PGND1
+
SW1
EN1 5
PG1 6
PG COMP
16%
PGND
+
+
+16%
32%
+
UV
ERR COMP
REF1
+
+
SS1
VFB1 7
PGND
GND 8
IC401 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)
VCC1
VOSL– 12
VOFC– 13 ACTUATOR
DRIVER (6x)
VCC2
VOFC+ 14
CONTROL
LOGIC
XCON
CH1 MIN-OFF
TIMER
OCP1
REF_OCL
+
SW1
EN LOGIC
FIXED
SOFT START
UV1
SS1 SS2
EN LOGIC
REF1
REF2
VREG5
MUTE
+
VOLTAGE
DETECTION
+
SPINDLE
DRIVER (4x)
VCC2
ACTUATOR
DRIVER (6x)
VCC2
THERMAL
SHUT DOWN
VREG5
CONTROL
LOGIC
XCON
CH2 MIN-OFF
TIMER
OCP2
REF_OCL
+
SW2
PG COMP
UV1
UV2
PROTECTION
LOGIC
UVLO
UV2
TSD
ERR COMP
REF
5V REG VIN1
UVLO
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+
MHC-V5
16 VIN2
15 VBST2
14 SW2
13 PGND2
ZC2
PGND2
+
SW2
12 EN2
11 PG2
16%
PGND
+
+
+16%
32%
+
UV
REF2
+
+
SS2
10 VFB2
PGND
9 VREG5
65