CMT-CP2W, HCD-CP2 (serv.man2) - Sony Audio Service Manual (repair manual). Page 16

16

Procedure:
1. Mode: Record

2. Mode:  Playback

Confirm playback the signal recorded in step 1 become adjustable
limits as follows.
If these levels do not adjustable limits, adjustment the RV341 (L-
CH) and RV441 (R-CH) on the AUDIO board to repeat steps 1
and 2.
Adjustable limits: Playback output of 315 Hz to playback output

of 10 kHz: 0 ± 0.5 dB

Adjustment Location: AUDIO and MAIN boards

Procedure:
1. Mode: Record

2. Mode: Playback

Confirm playback the signal recorded in step 1 become adjustable
limits as follows.
If these levels do not adjustable limits, adjustment the RV301 (L-
CH) and RV351 (R-CH) on the MAIN board to repeat steps 1 and
2.
Adjustable limits:

IC401 PB level: 36.7 to 41.1 mV (–26.5 to –25.5 dB)

Adjustment Location:  MAIN board

Pin 6 (L-CH) of IC401 on the MAIN board.
Pin ej (R-CH) of IC401 on the MAIN board.
1) 315 Hz
2) 10 kHz







Pin rs (GND) of IC401 on the MAIN 
board.

Ω

IC401 (Pin 8 : L-CH)

(Pin eg : R-CH)

Pin 6  (L-CH) of IC401 on the MAIN board.
Pin ej  (R-CH) of IC401 on the MAIN board.
315 Hz, 50 mV (–23.8 dB)

Pin rs  (GND) of IC401 on the MAIN board.

Ω

IC401 (Pin 8 : L-CH)

(Pin eg : R-CH)

* As the adjustment parts is mounted on the component side, ad-

just it through a hole in the AUDIO board form conductor side.
(Except RV431, 441)

        







  









