Sony TA-SA100WR Service Manual page 22

TA-SA100WR
• IC Block Diagrams
– AMP Board –
IC100, 200 CXD9883M
BST_A
1
GVDD_A 2
/OTW 3 VREG
/HIZ_HS_A
/SD 4
/HIZ_LS_A
Stuck
Detect
/RESET 5
Timing
PWM_A 6
Control
/OCH_A
Programmable
OC_ADJ
7
Current sense /OCL_A
GND 8
/RESET_A
Temperature
waming/error
Protection
AGND
9
and
Reset /HIZ_HS_X
Logic
/HIZ_LS_X
/UVP
VREG 10
/OCH_X
/OCL_X
M3
11 /RESET_X VREG
Under
GVDD_A
Voltage
OLP
/PCR
Power-Up
M2 12 Protection GVDD_B
OTP
Reset
CB3C
/UVP
M1 13 /HIZ_HS_B
/UVP_VREG
/HIZ_LS_B
Timing
PWM_B 14
Control
VREG
VDD 15
Stuck
REG
Detect
/OCH_B
GND 16
/OCL_B
GVDD_B
17
/RESET_B
BST_B 18
IC303 TC74LCX74FT (EKJ)
14 13 12 11 10 9 8
VCC
PR
Q
D
CK Q
CLR
PR
D
Q
CK Q
CLR
GND
1 2 3 4 5 6 7
TA-SA100WR
36 PVDD_A
Over
Current
Fault
35 PVDD_A
34 PVDD_A
Gate
Drive
33
PGND
32 PGND
Protection
Logic
31 PGND
30 OUT_A
Gate
Drive
29 OUT_A
OUT_A
28
Over
Current
Fault
27 OUT_B
Over
Current
26
OUT_B
Fault
25 OUT_B
Gate
Drive
24 PGND
23 PGND
Protection
Logic
22 PGND
21 PVDD_B
Gate
Drive
20 PVDD_B
19 PVDD_B
Over
Current
Fault
IC400, 404 SI-3120KM-TL
VC 1
VIN 2
GND 3
TSD
–
+
REF
VOUT 4
ADJ 5
IC300 CXD9843AR
48 47 46 45 44
XVSS 1
VSUBC 2
VSSR 3
OUTR2 4
VDDR 5
PWM
OUTR1 6
Δ Σ
7
VSSR
VSSL 8
OUTL2 9
10
VDDL
OUTL1 11
VSSL 12
IC401 SI8008TM-TL
OVER
REGULATOR CURRENT
PROTECTOR
RESET
OSC
COMPARATOR
+
OVER HEAT
–
ON/OFF
PROTECTOR
SOFT
START +
–
VREF
ERROR AMP
1 2
22 22
43 42 41 40 39 38 37
CLOCK
GENERATOR
(SECONDARY)
FILTER & SAMPLING
LINER
GAIN
LOW CUT RATE
INTERPOLATOR
CONTROL
FILTER CONVERTER
INIT/ SERIAL
MUTE CONTROLLER
13 14 15 16 17 18 19 20 21 22 23 24
IC403 TK11118CSCL-G
5
OVER HEAT &
OVER CURRENT
LATCH
PROTECTION
&
DRIVER
CONTROL
CIRCUIT –
+
BANDGAP
REFERENCE
1 2
3 4 5
CLOCK
GENERATOR 36 XFSIIN
(PRIMARY)
35 DVDD
34 TEST
33 BFVSS
32 BFVDD
31 DATA
S P 30 BCK
29 LRCK
28 MCKSEL
27 INIT
26 SFLAG
25 OVFFLAGL
4
3