Block Diagram - Main Section - Sony MXD-D400 Service Manual

MXD-D400
6-3. BLOCK DIAGRAM – MAIN Section –
DOUT
A
(Page 46)
AOUT
C
(Page 46)
OPTICAL OPTICAL
DIGITAL RECEIVER
INPUT IC15
MD DOUT
F
(Page 47)
CODEC
DOUT
E
(Page 47)
OPTICAL OPTICAL
DIGITAL TRANSCEIVER
OUTPUT IC14
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: AUDIO
: CD PLAY (ANALOG OUT)
: CD PLAY (DIGITAL OUT)
: MD PLAY
l AMS L
: MD REC
: OPTICAL DIGITAL OUT
: OPTICAL DIGITAL IN
l AMS L
FL/LED DRIVER
IC760
SEG01
FLUORESCENT
SEG35
INDICATOR
TUBE COM01
FL750
COM23
GRID
FL B+ DRIVE
39 COM01
Q761
GRID
DRIVE 62 COM24
Q762
72 73
LED LED
DRIVE DRIVE
Q726 Q772
D726 D772
STANDBY MDLP
IIC DATA, IIC CLK,
LEVEL L, LEVEL R,
P DOWN, SRST, MD RESET
G
(Page 47)
SPDIF
42 RX1
BUFFER
IC8
44 RX2
2 RX3
A/D, D/A CONVERTER
BUFFER
13 TX1
IC19
14 TX2
8 9 10 11
49 70 72 69 68
S700 –704,
97 KEY0
S720
S710 –716,
95 KEY1
S718, 719
S706, 721, 722,
94 KEY2
S725 –729, 1701
SYSTEM CONTROLLER
IC6 (2/2)
ROTALY
87 MDJOG0
ENCODER
S717
(MD)
86 MDJOG1
ROTALY
ENCODER 78 CDJOG0
S723
(CD)
77 CDJOG1
RV780
REC REVEL 91 RECLEVEL
REMOTE CONTROL
4 SIRCS
RECEIVER
IC781
DA 70 1 DRVDAT
CP 69 2 DRVCLK
CS 68 3 DRVCS
RESET 67 81 DRVRST
74
LED
DRIVE
Q775
30 29 89 90 88 12
D775
GROUP
ON/OFF
-2
L-IN 38
-1
R-IN 37
RY650
RELAY
IC11
DRIVE
Q4
L-OUT 32
R-OUT 33
6 7 5
75 74 76
SCMS 66
LINEMUTE
85
AMUTE
D28
BACKUP +3.3V
D23
LITHIUM
BATTERY
XIN 15
BT1
X1
16MHz
SYS +3.5V
XOUT 13
+3.3V
MD +3.3V REGULATOR
IC933
+2.6V
MD +2.6V REGULATOR
IC926
MD +5V
ANA +5V
MAINACCUT 79
CD +2.5V
CD +3.3V
RF +3.3V
STB 11
RESET SIGNAL
EVER
GENERATOR
+3.3V
IC2
48 48
LINE AMP
IC16
RV790
PHONE LEVEL
-1
HEADPHONE
LINE AMP
AMP
IC13
IC17 -2
MUTING
Q5, 6
MUTING
CONTROL
Q3
POWER TRANSFORMER
REGULATOR
IC7
+3.3V
EVER
RECT
REGULATOR
11 V.BAK +3.3V
D2, 3
IC1
POWER TRANSFORMER
8 SYS3.5
FL B+
+8V
RECT
+8V REGULATOR
D18
IC4
–32V
RECT
–32V REGULATOR
D16, 17
IC3
5 PH5
RECT
AC 2
4 ANA5
D14, 15
LOADING +10V
13 P.DOWN
VCC1 6
RECT
10 S.RST VCC2 7
D6, 7
RECT
RELAY
AMP B+
D8, 9
+5V
+2.5V/+3.3V
REGULATOR
RECT
AMP B–
IC122
D10, 11
+3.3V +5V
REGULATOR REGULATOR
IC9 IC5
L
ANALOG
INPUT
R
J1
L
ANALOG
OUTPUT
R
J790
PHONES
(SUB)
TR652
(MAIN)
TR651
(AC IN)
LINE FILTER
LF651
RY650
POWER ON/OFF
RELAY DRIVE
Q1