Harman Kardon DVD 27 Service Manual page 81

DVD27
Absolute maximum ratings (Ta=25°C)
Parameter
Supply voltage
Power dissipation
Operate Temp range
Storage Temp range
*When mounted on a 70mm×70mm×1.6mm glass epoxy board.
*Reduced by 13.6mW for each increase in T
**Should not exceed Pd or ASO and T
Guaranteed operating conditions (Ta=25°C)
Parameter
Power supply voltage
Block diagram
MUTE BIAS
28 27
MUTE
Thermal
Shut down
25K
+
+
10K
1 2
VINFC TRB_1
Symbol
Vcc1
Vcc2
P
d
T
opr
T
stg
of 1℃ over 25℃.
a
=150°C values
j
Symbol
Vcc1
Vcc2
VINTK TRB_2 NC VINLD GND
26 25 24 23
GND
10K
+
25K
10K
3 4 5 6
REGO2 VINSL+
REGO1 FWD REV
Limits
13.5
*1.7
-35 ~ +85
**-55 ~ +150
Limits
4.3 ~ 13.2
4.3 ~ Vcc1
VCTL NC
22 21 20
PGND
10K
-
-
25K
Pre-DRV
TRAY
DRIVER
Vcc1
PGND
7 8 9
VCC1 VOTR-
81
harman/kardon
AM5888S
Motor Driver ICs
Unit
V
W
℃
℃
Unit
V
V
VCC2
VOLD- VOLD+ VOTK-
19 18 17 16
Vcc2
15K
Actuator
Spindle
Driver(6x)
Driver(4X)
Sled Actuator
Driver(4X) Driver(6x)
10 11 12 13
VOTR+ VOSL+ VOSL- VOFC-
VOTK+
15
Vcc2
Vcc2
Vcc1
14
VOFC+