![background image](http://html.mh-extra.com/html/sony/hcd-lx7/hcd-lx7_service-manual_420797019.webp)
HCD-LX7/LX8
19
19
– 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
D
M
70
120
DOLBY
TYPE B
+7.5V
Q623
LIN
43
PB
24
18
20
22
40
25
PB OUT
LM ON/
OFF
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF
TC PB L
TC REC L
PB A/B
NORM/HIGH
REC/PB/PASS
BIAS ON/OFF
RM ON/OFF
15
ALC ON/OFF
RELAY
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
23
NR ON/
OFF
NR ON/OFF
17
S1004
A CrO2
S1008
B CrO2
19
A 120/70 B NORM/CROM/
METAL
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)
• 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.
31, 33
(Page 20, 21)
Содержание HCD-LX7
Страница 29: ...HCD LX7 LX8 29 29 6 6 SCHEMATIC DIAGRAM MAIN 1 3 SECTION See page 50 for IC Block Diagrams MICON INTERFACE ...
Страница 31: ...HCD LX7 LX8 31 31 6 8 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 28 for Printed Wiring Board ...
Страница 32: ...HCD LX7 LX8 32 32 6 9 SCHEMATIC DIAGRAM DECK SECTION Page 30 ...
Страница 33: ...HCD LX7 LX8 33 33 6 10 PRINTED WIRING BOARD DECK SECTION See page 17 for Circuit Boards Location Page 28 ...
Страница 34: ...HCD LX7 LX8 34 34 6 11 SCHEMATIC DIAGRAM POWER SECTION ...
Страница 38: ...HCD LX7 LX8 38 38 6 15 SCHEMATIC DIAGRAM PANEL VR SECTION See page 50 for IC Block Diagrams ...
Страница 40: ...HCD LX7 LX8 40 40 6 17 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Страница 41: ...HCD LX7 LX8 41 41 6 18 PRINTED WIRING BOARD TC PANEL SECTION See page 17 for Circuit Boards Location ...
Страница 42: ...HCD LX7 LX8 42 42 6 19 SCHEMATIC DIAGRAM CD PANEL SECTION ...
Страница 43: ...HCD LX7 LX8 43 43 6 20 PRINTED WIRING BOARD CD PANEL SECTION See page 17 for Circuit Boards Location ...
Страница 44: ...HCD LX7 LX8 44 44 6 21 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 30 ...
Страница 45: ...HCD LX7 LX8 45 45 6 22 PRINTED WIRING BOARD CD MOTOR SECTION See page 17 for Circuit Boards Location Page 28 ...
Страница 46: ...HCD LX7 LX8 46 46 6 23 SCHEMATIC DIAGRAM TRANS SECTION LX7 model ...
Страница 47: ...HCD LX7 LX8 47 47 6 24 PRINTED WIRING BOARD TRANS SECTION LX7 model See page 17 for Circuit Boards Location ...
Страница 48: ...HCD LX7 LX8 48 48 6 25 SCHEMATIC DIAGRAM TRANS SECTION LX8 model ...