Sony MDS-JE470 Service Manual - Page 51
Ic500, Ak4524 Main Board, Ic440, M54641l Main Board, Ic421, Control, Input, Power Amp., Overcurrent
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IC500 AK4524 (MAIN BOARD) VCOM 1 AINR 2 AINL 3 VREF 4 AGND 5 VA 6 TEST 7 XTO 8 XTI 9 XTALE 10 LRCK 11 BICK 12 SDTO 13 SDTI 14 A/D CONVERTER BLOCK CLOCK GENERATOR & DIVIDER AUDIO INTERFACE CONTROLLER H.P.F. D-ATT D-ATT, S-MUTE D/A CONVERTER BLOCK 28 AOUTR+ 27 AOUTR- 26 AOUTL+ 25 AOUTL- CONTROL REGISTER INTERFACE 24 DGND 23 VD 22 VT 21 CLKO 20 M/S 19 PD 18 CIF 17 CS 16 CCLK 15 CDTI IC440 M54641L (MAIN BOARD) VCC 1 OUT2 2 IN1 3 GND 4 REG INPUT AMP. CONTROL 8 VCC POWER AMP. INPUT AMP. 7 OUT1 POWER AMP. 6 IN2 5 VZ IC421 M5293L (MAIN BOARD) GND 2 ON/OFF 4 REFERENCE VOLTAGE VIN 1 + - OVERHEAT PROTECTION 5k 5 REFERENCE VOLTAGE 27k 3 VOUT OVERCURRENT LIMITTER MDS-JE470 51
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51
MDS-JE470
IC500
AK4524 (MAIN BOARD)
IC440
M54641L (MAIN BOARD)
VCOM
AINR
AINL
2
1
3
VREF
4
TEST
7
XTI
9
XTALE
10
XTO
8
SDTI
14
LRCK
11
BICK
12
SDTO
13
AGND
5
VA
6
A/D
CONVERTER
BLOCK
D/A
CONVERTER
BLOCK
CLOCK
GENERATOR
& DIVIDER
AUDIO
INTERFACE
CONTROLLER
CDTI
15
CIF
18
CLKO
21
AOUTL+
26
AOUTL–
25
DGND
24
VD
23
VT
22
AOUTR+
28
AOUTR–
27
PD
19
M/S
20
CS
17
CCLK
16
CONTROL
REGISTER
INTERFACE
H.P.F.
D-ATT
D-ATT,
S-MUTE
REG
CONTROL
INPUT
AMP.
INPUT
AMP.
1
2
3
4
5
6
7
8
POWER AMP.
POWER AMP.
VCC
OUT1
IN2
VZ
GND
IN1
OUT2
VCC
IC421
M5293L (MAIN BOARD)
2
5
5k
+
–
27k
OVERCURRENT
LIMITTER
OVERHEAT
PROTECTION
REFERENCE
VOLTAGE
GND
ON/OFF
VIN
REFERENCE
VOLTAGE
VOUT
3
4
1