Sony HCD-F150 Service Manual page 23

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4. Mode: Record
MD/VIDEO (AUDIO) IN
315 Hz, 50 mV (–23.8 dB)
AF OSC
attenuator
5. Mode: Playback
recorded
portion
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)
TE
L 13942296513
[AUDIO BOARD] (Component Side)
RV441
RV401
IC602
RV301
RV341
L R R L
PB LEVEL REC BIAS
– DECK B –
www [LEAF SW BOARD] (Component Side)
TAPE SPEED
(NORMAL) (HIGH)
.
RV1002 RV1001
http://www.xiaoyu163.com
600 Ω
set
level meter
+
set
–
CN301 (Pin 3 : L-CH)
(Pin 1 : R-CH)
CN301
RV301
L
IC301
REC LEVEL
RV351
R
CN107
CN601
RV311 RV411
L R
PB LEVEL
– DECK A –
x ao
y
i
CN1001
http://www.xiaoyu163.com
8
blank tape
CS-123
Q Q
3 6 7 1 3
CN302
CN106
u163
.
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