Circuit Boards Location - Sony HCD-CP505 Service Manual

6-1. Circuit Boards Location

TC board
SWITCH board
JACK board
CONTROL board
BD (MD) board
DIGITAL board
LOADING board
OPTICAL board
MAIN board
POWER board
BD (CD) board
• Waveforms
– BD (CD) Board –
1
IC103 qg (RFAC)
(PLAY mode)
1.2 Vp-p
200mV/DIV, 400ns/DIV
2
IC101 us (XTAO)
29.5 ns 4.4 Vp-p
1V/DIV, 10ns/DIV
– DIGITAL Board –
1
IC701 qd (XOUT)
3.2 Vp-p
100 ns
1 V/DIV, 40 ns/DIV
45 45
– BD (MD) Board – – CONTROL Board –
1
1
IC101 ek (RF) IC306 qa (XCOUT)
(PLAY mode)
1.4 Vp-p
1 V/DIV, 10 µ s/DIV
500 mV/DIV, 200 ns
2 2
IC101 ef (FE) IC306 qd (XOUT)
(PLAY mode)
approx.
62.5 ns
460 mVp-p
200 mV/DIV, 20 ms/DIV
1 V/DIV, 20 ns/DIV
3
IC101 wh (TE)
(PLAY mode)
– TC Board –
1
approx. Q401 collector (TAPE REC)
620 mVp-p
200 mV/DIV, 20 ms/DIV
4
IC803 8 (XOUT)
5 V/DIV, 4 µ s/DIV
88.6 ns
4.3 Vp-p
– MAIN Board –
1 V/DIV, 40 ns/DIV
5 1
IC803 5 CLKA
IC326 qf (XO)
3.3 Vp-p
5.5 ns
231 ns
1V/DIV, 4 ns/DIV
1 V/DIV, 100 ns/DIV
HCD-CP505
3.6 Vp-p
30.5 µ s
2.7 Vp-p
12.7 Vp-p
12 µ s