Sony HBD-E770W - IC Block Diagrams - MB-134 Board; IC303 MM3141 CNRE Block Diagram; IC307 MM3293 DNRE Block Diagram; IC308 MP2301 ENE-LF-Z Block Diagram

HBD-E770W
HBD-E770W
6868
• IC Block Diagrams
– MB-134 Board –
IC303 MM3141CNRE
5
4
1
REGULATOR
CURRENT
LIMIT
VDD
3
BIAS
CE
2
GND
VOUT
NC
IC307 MM3293DNRE
IC308 MP2301ENE-LF-Z
IC309, 310 TPS54325PWPR
VDD 1
GND 2
CE
3
NC4
REGULATOR
VOUT
5
SS8
EN7
COMP
6
FB5
CURRENT
SENSE
AMPLIFIER
BS 1
IN 2
SW
3
GND
4
6
Q
Q
S
R
CURRENT
COMPARATOR
OSCILLATOR
340kHz
LOCKOUT
COMPARATOR
ERROR
AMPLIFIER
SHUTDOWN
COMPARATOR
INTERNAL
REGULATORS
+
–
+
–
2.5V
6PA
1.5V
0.3V
0.95V
0.8V
1.2V
5V
VO 1
VCC14
VFB 2
VREG5 3
SS 4
GND 5
PG 6
EN 7
PGND18
PGND29
SW110
SW211
VBST12
VIN13
VREG5
OCP
UV
OV
PWM
VREG5
-30%
+20%
XCON
CONTROL
LOGIC
EN
LOGIC
REF
REF
-10%
+

+
+

SOFT START
TSD
PROTECTION
LOGIC
UVLO
REF
REF
VREG5
VREG5
IC311 BD3539NUX-TR
67 58
2
1 3 4
VTT_IN
VTT
GND
EN
VCC VDDQ VREF VTTS
SOFT
+

+

TSD
EN
UVLO
VCC
TSD
EN
UVLO
UVLO
TSD
VCC
UVLO
VCC
EN
TSD
EN
UVLO
VCC
+

REFERENCE
BLOCK
THERMAL
PROTECTION
IC312 MM1855AHBE
41 2 3
CN
VO
N.C.
GND
REFERENCE
BIAS
CURRENT
LIMITTER
DRIVER
THERMAL
SHUTDOWN
8
VIN
7
N.C.
6
N.C.
5
CONT
IC601, 602 SI-3010KM-TLS
1VC
TSD
2VIN
3GND
4VOUT
5ADJ
+
–
REF
IC704 TK11133CSCL-G
IC705 TK11150CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
IC1001 NJM2878F3-33 (TE2)
5
VIN
4
VOUT
2
GND
3
N.C.
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
IC1002 NJM2828F3-05
5
CS
4
CONTROL
2
VIN
3
VOUT
1
GND
BANDGAP
REFERENCE
OUTPUT
CONTROL
CURRENT
LIMIT
THERMAL
PROTECTION
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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