![background image](http://html.mh-extra.com/html/sony/cas-1/cas-1_service-manual_420233036.webp)
CAS-1
CAS-1
36
36
5-2. BLOCK DIAGRAM - AMP Section -
55 LRCKI
X001
49.152MHz
1 SDIN1
AUDIO CODEC
IC210
20
PWMOUT1PR
21
PWMOUT1NR
56 BCKI
13 SDA
12 SCL
15 XINT
8 XLDO_EN
14 XRESET
16
PWMOUT1PL
17
PWMOUT1NL
AUDIO DSP, SYSTEM CONTROLLER
IC652 (2/3)
128
HOKUTO-SDA1
127
HOKUTO-SCL1
106
DAMP-XRST
81
VOLTSENS-PVDD
12
HOKUTO-XRST
56
XPROTECTOR
14
HOKUTO-XLDO-EN
11 XTI
18 PWM_D
8 PWM_B
DIGITAL POWER AMP
IC204
36
OUT_B
39
OUT_A
6 PWM_A
28
OUT_D
31
OUT_C
16 PWM_C
4 LRCK
5 DATA
D/A CONVERTER
IC401
25
IOUTL+
26
IOUTL–
6 BCK
1 In A1
ELECTRICAL VOLUME
IC407
25
OUTB
8
OUTA
32 In B1
13 MDO
12 MC
14 RST
1 ZEROL
2 ZEROR
17 RIN+
HEADPHONE AMP
IC408
2
LOUT
19
ROUT
4 LIN+
17
IOUTR+
18
IOUTR–
7 SCL
DAMP-LRCK
DAMP-DATA
HOKUT
O-SDA
DAMP-DATA,
DAMP-BCK,
DAMP-LRCK
DAMP-BCK
>002B
HOKUTO-SDA,
HOKUTO-SCL
DAC-LRCK
DAC-DATA
DAC-DATA,
DAC-BCK,
DAC-LRCK
DAC-BCK
>001B
>003B
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SIGNAL PATH
1/2 DIVIDER
IC211
DIVIDER
IC659
2
OTW
5
SD
7
RESET_AB
17
RESET_CD
D218
D222
D221
L224
L223
L226
L225
DC DETECT
Q205
DC DETECT
Q206
VDD DETECT
Q208
VDD DETECT
Q209
BUFFER
Q204
D219
BUFFER
Q223 (2/2)
BUFFER
Q223 (1/2)
8
DAC-XRST
110
HP-RY
2
DAC_ZERO_DATA
91
AUDIO-MCLK
10
HP-DET
131
DAC-SCL3
132
DAC-SDA3
35
SPK-DET
HOKUT
O-SCL
R
L
+
–
–
+
SPEAKERS
5 ~ 16
:
TB200
TB201
10 DATA
11 CLOCK
12 LATCH
111
EVOL-LAT
112
EVOL-CLK
120
EVOL-DATA
GATE SWITCH
IC400
LOW-PASS
FILTER
IC404
MIX AMP
IC406
LOW-PASS
FILTER
IC405
DC SERVO
IC409
RY400
–2
–1
i
J160
RELAY DRIVE
Q405
(Page 37)
(Page 35)
(Page 35)
Summary of Contents for CAS-1
Page 34: ...CAS 1 34 MEMO ...
Page 97: ...MEMO CAS 1 17 ...