Sony HCD-GRX8 Service Manual page 24

www.DataSheet4U.com
– 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 CH
R
3 1
IC602
P R
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
S1004 S1008
B CrO
A CrO 2
2
16 17 19
PB-A/B A 120/70 B 120/70
70
PAS
A IN
48
B IN
46 120
DOL
DOLBY NR
DOLBY NR
IC301
RV301
REC LEVEL
RECOUT DOLBY
39
TYPE B
EQOUT EQIN
36 38 BIAS SW
32 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
– 27 –
PB A/B
MS OUT
CN301
3 R CH
28 27 26
1
MS
PB OUT
40 PB L
LM ON/
25
LM ON/OFF
OFF
NORM/
HIGH 18 NORM/HIGH
NR ON/
NR ON/OFF
23
OFF
REC/PB/PASS
24
PB
RIN
44 REC L
BIAS ON/OFF
20 BIAS ON/OFF
22 RM ON/OFF
RM ON/OFF
ALC ON/OFF
ALC ON/OFF 15
RELAY REC/PB
CAPM CNT1M
CAP MOTOR
CONTROL CAPM CNT2M
Q336-343
CAPM CNT1P
CAPM CNT2P
SPEED
SWITCH
M CONTROL 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)
+5V
+5V
S1005
(REC A)
B HALF
S1006
(B HALF)
S1009
(REC B)
TRIGGER
B TRIG
MOTOR
CONTROL
A TRIG
Q331-334
HCD-GRX8/R800/RX88/RX99
B
MAIN
SECTION
(Page 29)
– 28 –