Read Sony DAV-X1 / HCD-X1 Service Manual online
HCD-X1
25
25
HCD-X1
6-4. BLOCK DIAGRAM – AMP Section –
/RST_CD
/SD
15 3
DIGITAL POWER AMP
IC301
4 PWM_A
6 PWM_B
14 PWM_C
16
33
30
25
22
PWM_D
CN300
OUT_A
FRONT LCH+
SW+
FRONT LCH–
OUT_B
STREAM PROCESSOR
IC231
31 DATA
36 XFSIIN
30 BCK
36 XFSIIN
30 BCK
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
25 FLAGL OVF
27 INIT
19 SOFTMUTE
24 OVF FLAGR
25 FLAGL OVF
21 SCDT
29 LRCK
22 SCSHIFT
LATCH1
INIT
SOFTMUTE
SCDT
SHIFT
9
OUTL2
6
OUTR1
11
OUTL1
4
OUTR2
37
FSOCKO
38
FSOI
OVER LOAD
DETECT
Q304, 310
/RST_AB
5
OVER LOAD
DETECT
Q301, 307
SYSTEM CONTROLLER
IC501 (3/4)
48
XFSOIN
14
XFSOOUT
47
DRIVE_RST
48
DRIVE_OCP
SPEAKER
SDO1
MCK
BCK
LRCK
LRCK
INIT
LATCH1
LATCH2
LATCH3
SCDT
SHIFT
OVF1
Q313
PROTECT DETECT
AMP BUS
F
X271
49.152MHz
1
DAMP SCDT
2
DAMP SHIFT
51
DAMP LATCH1
52
DAMP LATCH2
53
DAMP LATCH3
54
DAMP INIT
SOFTMUTE
55
DAMP SOFT MUTE
OVF1
49
OVERFLOW1
OVF2
50
OVERFLOW2
LPF
LPF
LPF
LPF
OUT_C
OUT_D
48
XFSOIN
24 OVF FLAGR
25 FLAGL OVF
25 FLAGL OVF
OVF1
• SIGNAL PATH
: AUDIO (DIGITAL)
: AUDIO (ANALOG)
• R-CH is omitted due to same as L-CH.
13
15
FRONT RCH+
FRONT RCH–
14
12
OSC
BUFFER
IC271
/RST_CD
/SD
15 3
DIGITAL POWER AMP
IC302
4 PWM_A
6 PWM_B
14 PWM_C
16
33
30
25
22
PWM_D
OUT_A
SW–
OUT_B
STREAM PROCESSOR
IC232
31 DATA
36 XFSIIN
30 BCK
36 XFSIIN
30 BCK
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
25 FLAGL OVF
27 INIT
19 SOFTMUTE
24 OVF FLAGR
25 FLAGL OVF
21 SCDT
29 LRCK
22 SCSHIFT
LATCH3
INIT
SOFTMUTE
SCDT
SHIFT
9
OUTL2
6
OUTR1
11
OUTL1
4
OUTR2
38
FSOI
OVER LOAD
DETECT
Q305, 311
/RST_AB
5
OVER LOAD
DETECT
Q302, 308
14
XFSOOUT
SDO3
MCK
BCK
LRCK
LRCK
OVF2
LPF
LPF
LPF
LPF
OUT_C
OUT_D
5
7
SW+
SW–
9
11
REAR LCH+
48
XFSOIN
/RST_CD
/SD
15 3
DIGITAL POWER AMP
IC303
4 PWM_A
6 PWM_B
14 PWM_C
16
33
30
25
22
PWM_D
OUT_A
REAR LCH–
OUT_B
STREAM PROCESSOR
IC233
31 DATA
36 XFSIIN
30 BCK
36 XFSIIN
30 BCK
23 SCLATCH
27 INIT
19 SOFTMUTE
27 INIT
19 SOFTMUTE
21 SCDT
29 LRCK
22 SCSHIFT
LATCH2
INIT
SOFTMUTE
SCDT
SHIFT
9
OUTL2
6
OUTR1
11
OUTL1
4
OUTR2
38
FSOI
OVER LOAD
DETECT
Q306, 312
/RST_AB
5
OVER LOAD
DETECT
Q303, 309
SDO2
MCK
BCK
LRCK
LRCK
LPF
LPF
LPF
LPF
OUT_C
OUT_D
4
2
REAR RCH+
REAR RCH–
1
3
FAN MOTOR
DRIVE
Q451 – 453
M450
(FAN)
(FAN)
M
AMP +12V
D452
(Page 24)
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