Printed Wiring Boards -Hand Key Section - Sony SPP-874 Service Manual

E model
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SPP-874/884
5-7. PRINTED WIRING BOARDS — HAND KEY SECTION —
• Semiconductor
Location
Ref. No.
Location
D201
B-3
D202
B-3
(D301)
A-4
(D302)
A-2
(D303)
B-2
(D304)
B-2
(D305)
A-5
(D306)
B-5
(D307)
A-7
(D308)
B-7
D401
A-9
D402
B-5
D403
B-5
D404
B-8
IC201
B-3
IC202
B-3
IC301
B-2
IC401
B-4
IC402
B-4
IC404
B-6
Q301
B-2
Q302
A-4
Q401
A-8
Q402
A-8
Q403
B-6
Q404
B-5
Q405
B-6
(
) : SIDE A
– 33 –
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
: Through hole.
r
• b : Pattern from the side which enables seeing.
• b : Carbon pattern
(The other layer's patterns are not indicated.)
(Page 30)
– 34 –
• Abbreviation
E12
: 220-240V area of E model
E92
: 120V area of E model
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
parts face are indicated.

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