Sony HCD-HX7 Service Manual - Page 46

IC201, TK63115SCL-G@GT HX7, XC6215B152MR HX3/HX5, IC401, BA5826SFP-E2, IC915, R5523N001B-TR-F, IC319

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Page 46 highlights

HCD-HX3/HX5/HX7 REGULATOR IN SW GND ADJ SS • IC Block Diagrams - CD Board - IC201 TK63115SCL-G@GT (HX7) VIN 1 GND 2 VCONT 3 THERMAL & OVER CURRENT PROTECTION VOLTAGE - REFERENCE + ON/OFF CONTROL 5 VOUT 4 NC IC201 XC6215B152MR (HX3/HX5) VIN 1 VSS 2 CE 3 VOLTAGE REFERENCE ERROR MP + - CURRENT LIMIT ON/OFF CONTROL EACH CIRCUIT 5 VOUT 4 NC - USB Board - IC915 R5523N001B-TR-F EN 1 GATE CONTROL CURRENT LIMIT GND 2 FLG 3 UVLO THERMAL SHUTDOWN FLAG DELAY 5 OUT 4 IN - USB POWER Board - IC319 SI-8008TFE ON/OFF SOFT START PREG OVERCURRENT PROTECTION OSCILLATOR RESET LATCH & DRIVER COMPARATOR - + THERMAL PROTECTION - + + ERROR AMP REFERENCE VOLTAGE IC401 BA5826SFP-E2 VO1(-) 1 D.BUFF VO1(+) 2 D.BUFF IN1 3 LEVEL SHIFT RESET 4 THERMAL SHUT-DOWN REGULATOR BIAS TRAP LEVEL SHIFT 28 GND D.BUFF D.BUFF 27 VO4(-) 26 VO4(+) 25 IN4 24 IN4' REGB 5 REGOUT 6 MUTE 7 GND 8 IN2' 9 MUTE IN2 10 D.BUFF VO2(+) 11 D.BUFF VO2(-) 12 GND 13 OPOUT 14 LEVEL SHIFT 23 BIAS VCC 22 VCC VCC 21 VCC 20 IN3' LEVEL SHIFT 19 IN3 D.BUFF D.BUFF 18 VO3(+) 17 VO3(-) 16 RESETt 15 OPIN HCD-HX3/HX5/HX7 - BT Board - IC903 XC6213B332MR VIN 1 ON/OFF CONTROL CURRENT LIMIT VSS 2 CE 3 - + VOLTAGE REFERENCE 1 5 VOUT 4 NC 46 - XM Board - IC041 AK4384ET-E2 MCLK 1 CLOCK DRIVER DE-ENPHASIS CONTROL 16 DZFL 15 DZFR 14 VDD 13 VSS 12 VCOM BICK 2 AUDIO ATT 8X INTERPOLATOR ∆Σ MODULATOR SCF LPF 11 AOUTL SDTI 3 DATA LRCK 4 INTERFACE ATT 8X INTERPOLATOR ∆Σ MODULATOR SCF LPF 10 AOUTR PDN 5 SMUTE/CSN 6 ACKS/CCLK 7 DIF0/CDTI 8 µP INTERFACE 9 P/S 46 2 345

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HCD-HX3/HX5/HX7
46
46
HCD-HX3/HX5/HX7
•
IC Block Diagrams
– CD Board –
IC201
TK63115SCL-G@GT (HX7)
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN
1
GND
2
VCONT
3
NC
4
VOUT
5
+
–
IC201
XC6215B152MR (HX3/HX5)
VOUT
5
NC
4
VIN
1
VSS
2
CE
3
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
EACH CIRCUIT
ERROR MP
IC401
BA5826SFP-E2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULATOR
VCC
VCC
– USB Board –
IC915
R5523N001B-TR-F
1
EN
2
GND
3
FLG
4
IN
5
OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
– USB POWER Board –
IC319
SI-8008TFE
IN
1
SW
2
SS
5
ADJ
4
LATCH
&
DRIVER
ERROR AMP
COMPARATOR
OSCILLATOR
RESET
OVERCURRENT
PROTECTION
THERMAL
PROTECTION
REFERENCE
VOLTAGE
GND
3
ON/OFF
SOFT
START
PREG
+
+
+
–
–
– BT Board –
IC903
XC6213B332MR
VIN
1
CE
3
VSS
2
NC
4
VOUT
5
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
1
2
3
4
5
7
6
8
9
10
12
13
14
15
16
11
CLOCK
DRIVER
SCF
LPF
SCF
LPF
ATT
ATT
DE-ENPHASIS
CONTROL
8X
INTERPOLATOR
8X
INTERPOLATOR
AUDIO
DATA
INTERFACE
µ
P
INTERFACE
∆Σ
MODULATOR
∆Σ
MODULATOR
MCLK
DZFL
DZFR
VDD
VSS
VCOM
AOUTL
AOUTR
P/S
BICK
SDTI
LRCK
PDN
SMUTE/CSN
ACKS/CCLK
DIF0/CDTI
– XM Board –
IC041
AK4384ET-E2