HCD-GRX10AV, HCD-RX110AV, MHC-GRX10AV, MHC-RX110AV (serv.man2) - Sony Audio Service Manual (repair manual). Page 23

Read Sony HCD-GRX10AV / HCD-RX110AV / MHC-GRX10AV / MHC-RX110AV (serv.man2) Service Manual online

– 27 –
– 28 –
– DECK SECTION –
HCD-GRX10AV/RX110AV
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 REC/PB
09
B
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 CNT2M
CAP M H / L
CAPM CNT2P
CAPM CNT1P
CAPM CNT1M
REEL
DETECT
IC1001
A SHUT
B SHUT
REEL
DETECT
IC1002
S1001 (A PLAY)
+5V
S1002 (B PLAY)
A PLAY
B PLAY
B HALF
S1003
(A HALF)
+5V
+5V
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
(Page 29)
• R CH : Same as L ch
• SIGNAL PATH
          : PB (DECK A)   
          : PB (DECK B)
          : REC (DECK B)
R CH
CN301
1
3
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.
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