Printed Wiring Board - Leaf Sw Board; Schematic Diagram - Leaf Sw Board - Sony HTC-NX300 Service Manual

HTC-NX300
7-15. PRINTED WIRING BOARD – LEAF SW Board – •
DECK A
(
PLUNGER
4 3
1 2
(DECK A PLAY)
05 (DECK A REC)
(DECK A 120/70)
(DECK A HALF)
7-16. SCHEMATIC DIAGRAM – LEAF SW Board –
(CAPSTAN)
DECK B DECK A
PLUNGER PLUNGER
ROTATION DETECT SENSOR
(DECK A)
(DECK A 120/70)
(DECK A HALF)
(DECK A REC)
(DECK B HALF)
(DECK B REC)
(DECK B 120/70)
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAYBACK
( ) : RECORD
∗
: Impossible to measure
See page 25 for Circuit Boards Location.
DECK B
)
PLUNGER
4 3
(DECK B PLAY)
1 2
(DECK B 120/70)
(DECK B HALF)
N
(Page 37)
CONTROL SWITCH
CAPM–
CAPM+
ROTATION DETECT CAPM–H/L
SENSOR (DECK B)
A–TRGM
TRGM–GND
B–TRGM
A–SHUT
DGND
A–HALF
+5V
A–120/70
B–SHUT
A PLAY
B–HALF / REC–A / REC–B
B–120/70
B PALY
NC
(DECK A PLAY)
(DECK B PLAY)
36 36
21
21
N
(Page 38)