Sony HCD-EP404, Service Manual

Page: 19 / 42

19 19
HCD-EP404
6-3. Printed Wiring Board MAIN Section • See page 15 for Circuit Boards Location.
IC602 IC603
IC601
IC401
IC101
IC102
IC702
IC701
K
K
K
K
K
K
K
K
K
K
K
A
A
A
A
A
A
A
K
K
A
A
A
A
A
A
E
E
E
E
K
K
K
K
K
A
A
A
A
K
A
K A
E
E
E
E
E
E
E
E
E
E
A
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
MAIN BOARD
HEADPHONE
BOARD
R706
R722
POW
-FA
PHOTO
MODE
PHONES
SPEAKER
(IMPEDANCE USE 8 )
L
R
TO
POWER
BOARD
CN505
(Page 25)
A
TO
DISPLAY
BOARD
(Page 23)
B
TO
DISPLAY
BOARD
(Page 23)
C
FM
ANT
FM
LEAD ANTENNA
(MODE)
(HALF)
(PROTECT(FWD))
(CAPSTAN/REEL)
(TRIGGER PLUNGER)
TAPE PLAY
DETECT SENSOR
M
CD
BLOCK
SUPPLIED AS THE
ASSEMBLED BLOCK
TO
DISPLAY
BOARD
(Page 23)
D
TO
DISPLAY
BOARD
(Page 23)
E
(R-CH)
(ERASE)
(L-CH)
(RECORD/PLAYBACK HEAD)
(ERASE HEAD)
L104
AM FERRITE-ROD
ANTENNA
1
3
BEAT CUT
1SS
2SS
1SS
2SS
TP
(AM VT)
TP
(FM VT)
1 2
A
B
C
D
E
F
3 4 5 6 7 8 9
Ref. No. Location
D101 B-4
D102 B-4
D103 B-4
D104 B-4
D105 B-4
D107 C-7
D401 D-4
D402 D-4
D403 D-4
D404 E-6
D405 D-7
D601 E-6
D604 F-5
D701 B-8
D702 B-8
D703 C-8
D704 B-8
D706 F-7
IC101 C-5
IC102 C-6
IC401 D-5
IC601 E-4
IC602 F-5
IC603 F-5
IC701 A-7
IC702 B-7
Q101 C-5
Q102 C-4
Q103 C-4
Q104 B-6
Q401 D-4
Q402 D-4
Q403 E-5
Q404 E-5
Q603 E-5
Q604 F-6
Q605 E-6
Q606 E-6
Q701 B-7
Q702 B-8
Q703 B-7
Q704 B-8
Q705 B-7
Q706 B-8
Q707 C-7
Q708 C-8
Q711 D-7
Q712 C-8
Q713 C-7
Q714 C-7
Q715 B-8
Q716 B-8
Q717 B-8
Q718 C-8
Q719 C-7
Q720 F-8
Q721 E-7
Q722 F-7
Q723 F-7
Q724 A-8
ZD601 F-6
ZD602 E-5
• Semiconductor
Location