Diagrams; Block Diagram - Tape Section - Sony HCD-CP1 Service Manual

6-1. BLOCK DIAGRAM – TAPE Section –
L-CH
(RECORD/PLAYBACK)
R-CH
R-CH
7 9
8
R-CH
RV253 RV153
RECORD RECORD
BIAS (R) BIAS (L)
BIAS OSC
T351
BIAS OSC
(ERASE)
Q357, 358
05
• SIGNAL PATH
: TAPE PLAY
: TAPE RECORD
SECTION 6

DIAGRAMS

RV151
PLAYBACK
LEVEL (L)
DECK A/B
PLAYBACK SELECT
EQ AMP 41
IC351
39
BIAS SWITCH
CIRCUIT
15 25 24 23
R-CH
(CrO DET)
2
Q351
4
REC/PB SWITCHING
IC350
T150
BIAS
TRAP
REC BIAS
+8V
SWITCH
Q359, 360
– 15 –
37
DECK PROCESS,
DOLBY NR AMP
IC352
DOLBY NR
35
AMP
CIRCUIT
REC/PB
BIAS 16
R/MUTE 17
NR-ON 18
Q352
L/M 20
R/P 19
Q353
33, 34 32
Q354
RV152
RECORD
Q356
LEVEL (L)
Q355
CAPSTAN/REEL
M
(CAPSTAN/REEL)
MOTOR DRIVE
Q657, 659
TRIGGER
(TRIGGER PLUNGER)
PLUNGER DRIVE
Q656, 658
TAPE END DETECT
SENSOR
(HEAD POSITION DET)
(HALF DET (SIDE-A))
(HALF DET (SIDE-B))
(CASSETTE IN DET)
REC-L
A
(Page 18)
PB-L
B
(Page 17)
REC/PB
C (Page 19)
86 REC-BIAS
87 REC-MUTE
DOLBY
88
96 L-MUTE
95 REC/PB
SYSTEM CONTROLLER
IC801 (1/3)
4 MOT-CON
D817
5 SOL-CON
TAPE-END
1
6 T-MODE
32 TC-SW
– 16 –
HCD-CP1