Sony HCD-MC1 Service Manual page 23

4. Mode: Record
MD/VIDEO (AUDIO) IN
315 Hz, 50 mV (–23.8 dB)
AF OSC
600 Ω
attenuator
5. Mode: Playback
recorded
portion
set
CN301 (Pin 3 : L-CH)
6. Confirm playback the signal recorded in step 3 become
adjustable level as follows.
If these levels do not adjustable level, adjustment the RV301
(L-CH) and RV351 (R-CH) on the MAIN board to repeat steps
4 and 5.
Adjustable level:
CN301 PB level: 47.2 to 53.0 mV (–24.3 to –23.3 dB)
Adjustment Location: MAIN board
[MAIN BOARD] (Component Side)
REC LEVEL
[AUDIO BOARD] (Component Side)
RV441
RV401
IC602
CN601
RV301
RV341
L R R L
PB LEVEL REC BIAS
– DECK B –
[LEAF SW BOARD] (Component Side)
TAPE SPEED
(NORMAL) (HIGH)
RV1002 RV1001
blank tape
CS-123
set
level meter
+
–
(Pin 1 : R-CH)
CN302
CN301
RV301
L
IC301
RV351
R
CN107
CN106
RV311 RV411
L R
PB LEVEL
– DECK A –
CN1001
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