Printed Wiring Board - Bd Board - Sony HCD-RG66T Service Manual

HCD-RG66T
• Waveforms
– BD Board –
1 IC103 qg (RFAC) (CD Play Mode) 6 IC101 yj (XTAO)
1.1 ± 0.4 Vp-p
2 IC101 wh (MDP) (CD Play Mode)
2.5 Vp-p
7.5 µs – MAIN Board –
qa Q302, Q303 (Base) (REC Mode)
3 IC101 el (TE) (CD Play Mode)
0.3 Vp-p
4 IC101 ra (TE) (CD Play Mode) qs Q302, Q303 (Collector) (REC Mode)
0.4 Vp-p
qd Q302, Q303 (Emitter) (REC Mode)
5 IC101 t; (RFDC) (CD Play Mode)
0.65 ± 0.15 Vp-p
qf IC501 qa (XC-OUT)
5 Vp-p
59 ns
30.5 µs
qg IC501 qd (X-OUT)
62.5 ns
2.1 Vp-p
12.1 µs – PANEL Board –
wa IC601 is (X0)
10.8Vp-p
12.1 µs
250 ns
0.4 Vp-p
12.1 µs
7-6. PRINTED WIRING BOARD – BD Board – •
1
2.4 Vp-p
A
B
1.9 Vp-p
M101
(SPINDLE)
C
D
2.8 Vp-p
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
• Semiconductor
Location
Ref. No. Location
D101 B-4
IC101 C-3
IC102 B-2
IC103 D-2
Q101 C-1
Q102 B-4
28 28
See page 27 for Circuit Boards Location.
2 3
(Page 33)
1 2
7 8
IC101
TP
(RFDC)
IC103 TP TP
(FEO) (TEO)
TP
(DVC)
TP
(RFAC)
TP
(FEI)
4
M102
(SLED)