Sony SA-TSLF1H Service Manual page 30

SA-TSLF1H/SS-CTLF1H/TSLF1H/TSLF1HW
• IC Block Diagrams
– DIAT PD Board –
IC7301 CXA3668N-T4
24 23 22 21 20
BIAS
4k
0deg
S/D
CONV
180deg
I/V AMP
0deg
180deg
GNDMOS
1 2 3 4 5
IC7302 TK11225CMCL-G
6
CONTROL
CIRCUIT
BANDGAP
REFERENCE
1
SA-TSLF1H/SS-CTLF1H/TSLF1H/TSLF1HW
19 18 17 16 15
comp
Vcc–0.5V
comp
FWR
LPF HPF
+ – + +
fc= fc= 3MHz
DIVICODE_H:6MHz
– –
– +
DIVICODE_L:4.5MHz
GCA PREAMP
comp
FWR
FWR
CONT
6 7 8 9 10
5 4
CONSTANT OVER HEAT &
CURRENT OVER CURRENT
SOURCE PROTECT
2 3
– DIAT AMP Board –
IC100, IC200 CXD9883M
14 13
BST_A 1
GVDD_A
2
/OTW 3
/SD 4
/RESET 5
PWM_A 6
OC_ADJ
7
GND 8
AGND
9
10
VREG
+
–
M3 11
OUTPUT_AMP
12
M2
13
M1
PWM_B
14
VDD 15
16
GND
GVDD_B
17
BST_B
18
11 12
30 30
VREG
/HIZ_HS_A
/HIZ_LS_A
Stuck
Detect
Protection
Logic
Timing
Control
/OCH_A
Programmable
/OCL_A
Current sense
/RESET_A
Temperature
waming/error
Protection
and
Reset
/HIZ_HS_X
Logic
/HIZ_LS_X
/UVP
/OCH_X
/OCL_X
VREG
/RESET_X
Under
GVDD_A
Voltage
OLP
/PCR
Power-Up
Protection GVDD_B
OTP
Reset
CB3C
/UVP
/HIZ_HS_B
/UVP_VREG
/HIZ_LS_B
Timing
Control Protection
VREG
Logic
Stuck
REG
Detect
/OCH_B
/OCL_B
/RESET_B
IC101 XC62HR1502MR
NC 1
VIN 2 5 VOUT
CURRENT
LIMIT
+
–
OUTPUT REFERENCE
CE 3
CONTROL VOLTAGE
4 VSS
36
PVDD_A
Over
Current
Fault
35 PVDD_A
34 PVDD_A
Gate
Drive
33 PGND
32 PGND
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
22 PGND
21 PVDD_B
Gate
Drive
20 PVDD_B
19 PVDD_B
Over
Current
Fault