Block Diagram - Denon DRR-M31 Service Manual

BLOCK DIAGRAM

TU201,202
R/P HEAD
+7V
R/P
SWITCHING
TR203
μCOM
-7V R/P
BIAS ADJ.
VR201,202
+B
L203
-7V
TR204
E. HEAD
TR205
BIAS OSC
CLOSE
μCOM. CLOSE
OPEN
μCOM. OPEN
+5V
μCOM
LOADING
MOTOR
M IC302
MOTOR
DRIVE
CAPSTAN
MOTOR
M
SOL
+5V
CrO SW
2
TR506
NOR SW
TR507
F. REC
R. REC
μCOM
HALF
MODE
μCOM. REEL PULSE
HALL IC
PLAYBACK
PLAY BACK LEVEL ADJ.
AMP
VR203,204 REC OUT
IC201
TR208,209
TR206,207
NOR μCOM
R/P
BIAS TRAP
REC AMP REC LEVEL ADJ.
IC301
TR307
VR301
TR308
VR302
TR305,306
+5V
TR303
NOR
μCOM
TR304
R. MUTE
TR502
+12V
TR501
+5V
IC501
TR504 TR505
μCOM
NOR
CrO
2
TR510
P. OFF
RESET
SOLENOID MOTOR
μCOM μCOM
PB IN IC203 PB OUT ( Lch )
DOLBY IC
REC IN
MPX
IC205
FILTER
TR201
L201,202
-7V
D.RP
TR509 ( μCOM )
R/P PWB
TR314
TR313
TR315
TR301,302
TR312
TR316
CrO μCOM
2
BIAS
+5V
IC304
+7V
TR326
KEY
& LED
TR324
-7V
TR325
TR327
TR328
DISTLAY PWB
9
DRR-M31
IC204
LEVEL DETECT AMP ( A/D ) TP215,216
LINE MUTE
TR317
μCOM ( LINE MUTE OUT )
A/D INPUT
+7V
AUTO LEVEL CONTROL
TR212
TR213,214
TR211
μCOM
R. MUTE
DOLBY IC
PB OUT ( Rch )
MAIN PWB
μCOM. SO
μCOM. SI
P. OFF
μCOM. SCK
+12V
TR323
P. ON
( (
LD405
Green
T101
POWER TRANS
9
LINE OUT
LINE IN
CD SYNCHRO
JK301
AC PLUG