Sony PMC-DR45L Service Manual ▷ View online
PMC-DR45L
– 49 –
– 50 –
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : PB (TAPE)
<
> : REC (TAPE)
[
] : CD PLAY
6-14. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 70 for IC Block Diagrams. Refer to page 35 for Note.
(Page
61)
(Page 46)
(Page 38)
(Page 42)
(Page 55)
(Page 65)
IC811
qf
(XO)
IC801
od
(TEX)
PMC-DR45L
– 51 –
– 52 –
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
6-15. PRINTED WIRING BOARD — CONTROL SECTION — • Refer to page 36 for Note.
• Waveforms
1
IC801
r;
(X’TAL)
2
3
3Vp-p
8MHz
2.6Vp-p
32.768kHz
2.2Vp-p
4.33MHz
50nsec/div
0.2V/div
10
µ
sec/div
0.1V/div
100nsec/div
0.1V/div
PMC-DR45L
– 53 –
– 54 –
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
0
11
12
13
1
(Page 57)
(Page 59)
(Page 47)
(Page 40)
D802
D-7
D803
D-3
IC801
G-8
IC802
C-9
IC803
C-3
Q801
D-10
Q802
D-10
Q803
H-3
Q811
B-3
Q812
B-4
• Semiconductor
Location
Ref. No.
Location
• Refer to page 36 for Note.
PMC-DR45L
– 55 –
– 56 –
• Voltage and waveforms are dc with respect to
ground under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : PB (TAPE)
<
> : REC (TAPE)
[
] : CD PLAY
∗
: Impossible to measure
6-16. SCHEMATIC DIAGRAM — CONTROL SECTION — • Refer to page 71 for IC Block Diagram. Refer to page 52 for Waveforms. Refer to page 35 for Note.
(Page 42)
(Page 60)
(Page 58)
(Page 50)
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