Deck Section - Sony HCD-DR7AV Service Manual

www.freeservicemanuals.info
– DECK SECTION –
RV311
PLAYBACK
IC611
LEVEL
DECK A
L
HP101
PB HEAD
R CH
(DECK A) R
RV301
PLAYBACK
IC601
LEVEL
DECK B
L
REC/PB HEAD
(DECK B)
R R CH
3 1
IC602
R
P
4
HRPE101
REC/PB
RV341
REC
BIAS
REC BIAS
ERASE BIAS
ERASE HEAD
X
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
09
S1008
S1004
B CrO
A CrO 2 2
16 17 19
A 120/70 B NORM/CROM/
PB-A/B
METAL
70
PAS
A IN
48
B IN
46
120
DOL
DOLBY NR
DOLBY NR
IC301
RV301
REC LEVEL
DOLBY
RECOUT
39
TYPE B
EQOUT EQIN
BIAS SW
36 38
32
31, 33
+7.5V
Q623
M1
CAPSTAN
MOTOR
BIAS OSC
T621, Q621, 622
• PLUNGER SOLENOID is supplied
as the MECHANICAL BLOCK ASSY.
A DECK/
B DECK
PLUNGER
– 23 –
18/2/2013
PB A/B
MS OUT
CN301
1
R CH
28 27 26
3
MS
PB OUT
40 TC PB L
LM ON/
25 LM ON/OFF
OFF
NORM/
HIGH NORM/HIGH
18
NR ON/
23 NR ON/OFF
OFF
24 REC/PB/PASS
PB
LIN
43 TC REC L
BIAS ON/OFF
20 BIAS ON/OFF
RM ON/OFF 22 RM ON/OFF
ALC ON/OFF
ALC ON/OFF 15
RELAY
CAPM CNT1
CAP MOTOR
CONTROL CAPM CNT2
Q336-343
SPEED
SWITCH
CONTROL
M CAP M H / L
Q335
Q1001
RV1002 RV1001
REEL
NORMAL HIGH
DETECT A SHUT
SPEED
SPEED
IC1001
REEL
DETECT B SHUT
IC1002
S1001 (A PLAY)
+5V
A PLAY
S1002 (B PLAY)
B PLAY
S1003
A HALF
(A HALF)
+5V
+5V
S1005
(REC A)
B HALF/REC A/REC B
S1006
(B HALF)
S1009
(REC B)
TRIGGER
B TRIG
MOTOR
CONTROL
A TRIG
Q331-334
World of free manuals
HCD-DR7AV/XB800AV
B
MAIN
SECTION
(Page 25,
26, 27)
– 24 –
www.nostatatech.nl