Sony HCD-MDX10 Service Manual - Page 44

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HCD-MDX10 - DECK SECTION - L HP101 PB HEAD (DECK A) R L REC/PB HEAD (DECK B) R HRPE101 ERASE HEAD X 09 S1004 A CrO2 S1008 B CrO2 IC611 RV311 PLAYBACK LEVEL DECK A R CH IC601 RV301 PLAYBACK LEVEL DECK B R CH 31 IC602 P R 4 REC/PB RV341 REC BIAS ERASE BIAS REC BIAS 16 PB-A/B 48 A IN 46 B IN 17 A 120/70 70 19 B 120/70 PAS 28 27 MS 120 DOLBY NR IC301 DOL DOLBY NR 36 EQOUT RV301 REC LEVEL EQIN 38 39 RECOUT DOLBY TYPE B BIAS SW C M 32 33 +7.5V Q623 BIAS OSC T621, Q621, 622 M1 CAPSTAN M MOTOR 26 PB OUT 40 LM ON/ 25 OFF NORM/ HIGH 18 NR ON/ OFF 23 24 PB RIN 44 BIAS ON/OFF 20 RM ON/OFF 22 ALC ON/OFF 15 CAP MOTOR CONTROL Q336-343 SPEED CONTROL Q1001 RV1002 NORMAL SPEED RV1001 HIGH SPEED MAIN SECTION SWITCH Q335 REEL DETECT IC1001 • R CH : Same as L ch • SIGNAL PATH : PB (DECK A) : PB (DECK B) : REC (DECK B) REEL DETECT IC1002 S1001 (A PLAY) +5V S1002 (B PLAY) S1003 (A HALF) +5V +5V PB A/B MS OUT PB L LM ON/OFF NORM/HIGH NR ON/OFF REC/PB/PASS REC L BIAS ON/OFF RM ON/OFF ALC ON/OFF RELAY CAPM CNT1 CAPM CNT2 CAP M H / L A SHUT B SHUT A PLAY B PLAY A HALF • PLUNGER SOLENOID is supplied as the MECHANICAL BLOCK ASSY. A DECK/ B DECK PLUNGER S1005 (REC A) S1006 (B HALF) MAIN SECTION S1009 (REC B) TRIGGER MOTOR CONTROL Q331-334 B HALF/REC A/REC B B TRIG A TRIG H MAIN SECTION (Page 47) - 49 - - 50 -

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HCD-MDX10
– 49 –
– 50 –
– DECK SECTION –
IC611
R CH
HP101
PB HEAD
(DECK A)
L
R
RV311
PLAYBACK
LEVEL
DECK A
IC601
R CH
L
R
RV301
PLAYBACK
LEVEL
DECK B
3
1
IC602
4
REC/PB
EQOUT
REC BIAS
BIAS OSC
T621, Q621, 622
ERASE HEAD
ERASE BIAS
46
48
B IN
A IN
16
PB-A/B
EQIN
38
36
RV301
REC LEVEL
39
RECOUT
BIAS SW
C
M
70
120
DOLBY
TYPE B
+7.5V
Q623
RIN
44
PB
24
18
20
22
40
25
PB OUT
LM ON/
OFF
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF
PB L
REC L
PB A/B
NORM/HIGH
REC/PB/PASS
BIAS ON/OFF
RM ON/OFF
15
ALC ON/OFF
RELAY
09
H
MAIN
SECTION
LM ON/OFF
NORM/
HIGH
PAS
DOL
P
R
REC/PB HEAD
(DECK B)
X
DOLBY NR
IC301
DOLBY NR
HRPE101
RV341
REC
BIAS
32
33
23
NR ON/
OFF
NR ON/OFF
17
S1004
A CrO
2
S1008
B CrO
2
19
A 120/70
B 120/70
M
CAP MOTOR
CONTROL
Q336-343
SPEED
CONTROL
Q1001
SWITCH
Q335
RV1001
HIGH
SPEED
RV1002
NORMAL
SPEED
M1
CAPSTAN
MOTOR
CAPM CNT2
CAP M H / L
CAPM CNT1
REEL
DETECT
IC1001
A SHUT
B SHUT
REEL
DETECT
IC1002
S1001 (A PLAY)
+5V
S1002 (B PLAY)
A PLAY
B PLAY
A HALF
B HALF/REC A/REC B
S1003
(A HALF)
+5V
+5V
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
(Page 47)
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
28
27
26
MS
MS OUT
B TRIG
A TRIG
TRIGGER
MOTOR
CONTROL
Q331-334
A DECK/
B DECK
PLUNGER
•
PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
MAIN SECTION
MAIN SECTION