Sony CMT-BX1 Service Manual page 48

HCD-BX5BT/CBX1/CBX3
• Waveforms
– CD Board – – USB Board –
IC901 ud (X2)
1 qa
IC101 ia (RFi)
(CD play mode)
0.5 to 1.3 Vp-p
200 mV/DIV, 500 ns/DIV
2
IC101 wf (XO)
(CD play mode)
3.3 Vp-p
59.1 ns
1 V/DIV, 20 ns/DIV
HCD-BX5BT/CBX1/CBX3
– MAIN Board –
IC301 qa (XCOUT)
wa
3.7 Vp-p
30.6 µ s
111 ns
1 V/DIV, 10 µ s/DIV
1 V/DIV, 50 ns/DIV
IC301 qd (XOUT)
ws
200 ns
1 V/DIV, 100 ns/DIV
IC301 wl (LCD CLK)
wd
14.6 µ s
1 V/DIV, 5 µ s/DIV
IC301 ug (CD CLK)
wf
(CD play mode)
4.4 µ s
1 V/DIV, 2 µ s/DIV
• IC Block Diagrams
– CD Board –
IC201 TK63115SCL-G@GT (BX5BT/CBX1)
VIN 1
THERMAL &
OVER CURRENT
PROTECTION
2.5 Vp-p
–
VOLTAGE
GND 2
REFERENCE +
ON/OFF
VCONT 3
CONTROL
3.3 Vp-p
IC401 BA5826SFP-E2
VO1(–) 1
D.BUFF
2
VO1(+)
LEVEL
D.BUFF
SHIFT
3.7 Vp-p
IN1 3
RESET 4
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
3.7 Vp-p
REGB 5
REGOUT 6
MUTE 7 MUTE
GND 8
9
IN2'
IN2 10
LEVEL
SHIFT
D.BUFF
VO2(+) 11
D.BUFF
VO2(–) 12
GND 13
OPOUT 14
46 46
IC201 XC6215B152MR (CBX3)
VIN 1
VSS 2
5 VOUT
ON/OFF
CE 3
CONTROL
4 NC
28 GND
27 VO4(–)
D.BUFF
26 VO4(+)
D.BUFF
LEVEL
SHIFT
25 IN4
24 IN4'
23 BIAS
VCC 22 VCC
VCC 21 VCC
20
IN3'
19 IN3
LEVEL
SHIFT
D.BUFF
18 VO3(+)
D.BUFF
VO3(–)
17
16 RESETt
15 OPIN
5 VOUT
ERROR MP
+
CURRENT
– LIMIT
VOLTAGE
REFERENCE
EACH CIRCUIT 4 NC