Sony HCD-MD1DX / HCD-MD1EX (serv.man2) Service Manual ▷ View online
HCD-MD1EX
– 65 –
– 66 –
7-17. SCHEMATIC DIAGRAM – PANEL Section – •
See page 85 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
(Page 62)
(Page 70)
HCD-MD1EX
– 67 –
– 68 –
7-18. PRINTED WIRING BOARDS – AMP/TRANSFORMER Section – •
See page 41 Circuit Boards Location.
(Page 72)
(Page 64)
(Page 68)
(Page 68)
(Page 72)
(Page 72)
HCD-MD1EX
– 69 –
– 70 –
7-19. SCHEMATIC DIAGRAM – AMP/TRANSFORMER Section –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
!
sont
critiques pour la sécurité.
Ne les remplacer que
par une piéce portant le numéro spécifié.
(Page 74)
(Page 73)
(Page 74)
(Page 66)
HCD-MD1EX
D501
B-4
D502
C-5
D503
D-5
D504
D-5
D505
D-5
D506
A-4
D507
A-4
D508
D-5
D509
A-4
D510
B-5
D511
B-5
D512
B-5
D513
B-5
D518
C-3
D519
C-5
D520
D-3
D521
D-3
D524
A-3
D525
A-3
D526
D-3
D527
D-3
– 71 –
– 72 –
7-20. PRINTED WIRING BOARD – POWER Section – •
See page 41 Circuit Boards Location.
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
IC501
C-5
IC502
C-5
IC503
B-1
IC504
B-1
IC505
B-4
Q503
D-5
Q504
B-4
Q505
A-4
Q506
B-5
Q507
C-5
Q508
C-5
Q509
C-4
Q510
C-4
Q511
C-4
Q512
C-5
Q514
C-5
Q516
C-5
Q518
D-3
Q519
D-3
Q520
B-5
(Page 68)
(Page 57)
(Page 68)
(Page
67)
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