Block Diagram - Main Section - Sony XR-M500R Service Manual

XR-M500R/M550
7-2. BLOCK DIAGRAM – MAIN Section –
CN300 (1/2)
BUS
INPUT SELECT, FM MPX,
AUDIO IN
ELECTRICAL VOLUME
L
R R-CH
SEL
1
AM AM
(Page 27) B 11
FD1L–
4
TAPE L
(Page 27) D
AM-IF AMIF
C
(Page 27) 12
MPX
A
(Page 27) 13
MPX
LEVEL
G
(Page 27)
DATA, CLOCK
DATA
E
(Page 27)
CLOCK
05
IC100
LOUDNESS SOFT TONE
CONTROL
VOLUME MUTE
MUTE LOUDNESS
+PHASE CONTROL
AM/FM NOISE
BLANKER
DEMODULATOR
PILOT
L.P.F STEREO ADJUST
CANCELATION
STEREO BLEND
PILOT DET
D/A
PLL
DIGITAL
CONVERTER
CONTROL
IIC BUS QUAL
20 21 17 18 14 15
70 71 31
SYSTEM CONTROLLER
IC601 (2/4)
(XR-M500R)
OUTSSL
24
(XR-M550)
OUTSSR
23
OUT LF
30
MONO
LINE DRIVER
MIXER
OUT LR
FADER
IC200
29
OUTSWL
26
SUBWOOFER MONO
OUTSWR
FADER
25
(XR-M500R)
HIGH-
CUT
R-CH
LINE DRIVER
IC200
TESTIN 84
TEL-MUTE 16
ST-BY 55
BATT
MUTE 5
28 28
• SIGNAL PATH
: FM
: AM (MW/LW)
: TAPE PLAY
: BUS AUDIO IN
MUTING
R-CH
MUTING
D203
MUTING
R-CH
D204
MUTING
MUTING
R-CH
D200
MUTING
POWER AMP
12 IN2
14 IN4
11 IN1
15 IN3
22
LEVEL SHIFT
Q603
AMP MUTING
SWITCH
Q222
D205
BATTERY OFF
MUTE DRIVER
B+
Q223
D206
SPEANA
H
(Page 29)
CN300 (2/2)
L
AUDIO OUT
Q250 FRONT
R
Q251
L
AUDIO OUT
REAR
Q200
R
Q201
(XR-M550)
(L)
SUB OUT
(MONO)
Q204
(R)
Q254 CN200
CN301 (1/2)
(POWER CONNECTOR)
IC300
1
OUT2+ 5
FL+
9
OUT2– 3 FL–
4
OUT4+ 21 FR+
12
OUT4– 23 FR–
2
OUT1+ 9 RL+
10
OUT1– 7 RL–
3
OUT3+ 17 RR+
11
OUT3– 19 RR–
4
15
TEST
13
TEL-ATT
AMP ON
I (Page 30)
MUTE
J (Page 29)
D201
MUTING
BATT
CONTROL SWITCH
B+
Q220, 221