Sony HCD-H700 - SECTION 6 DIAGRAMS; 6-5. SCHEMATIC DIAGRAM - SUB SECTION; 6-6. PRINTED WIRING BOARDS - SUB SECTION

14 15
Q401 ,0402
CAPSTAN MOTOR
B+ SWITCH
16 17 18
|) shut
Lol *5Y
Ig) HALE 5s
| 70e9
Lo) METAL
| GND
[i] stop
Po et one
|
hes CNSO3
25 iy +7-5V
[Tt eee
| PBR
Is] -7.5V
hs
| REEL-
[- || +Sv etoToR)
od He
| | flo] -7¥ @oTOR)
tol
SHUT
+5V
HALF
0408,
414,
Q4i5
BUFFER
0403,0404,
aati
H/L
R095 SWITCH
0409, 0410
DOLBY/PASS
EXCHANGE
INV,
70EQ
METAL
i | stoP
+7.5V
PBL
GNO
“| PBR
[5] -7.SV
[ ] Reece =32———-< |
REEL-
"| +S¥ otoToR
J a
-7V MOTOR)
BIAS
REC L
GNO
REC R
RELAY
Cc.
1
+5V «2
BIRECTION
QUICK
"Nc
Of Nc
ry REC.R
-7.5V
REC.L
sy To MAIN BOARD
PB.R CNIO6
A.GND
PB.L
NC
AU. BUS
%
TAPE MODE
CONTROL
| |} P.1N
C422 C421
"oe 00° T ngse
100
467
KEY!
KEY2
( ) TO MAIN BOARD
NG DB CN 205
+5V (US)
“|| 2.6NB
M.GNO
9202
RBIS 25c3398
LINE MUTE
20 21
[MD-A BOARD}
| PBEQ ANP
RI4
56k
5.822
fis 0
1c31A(2/2)
uPC457062
24
9718
2s01602
NORMAL / HIGH ‘SPEED
SWITCH
Bicep. “ep tie yt eee oa
{MD-B BOARD]
HRPEIO! shepr062
REC/PB/
PB EQ AMP
1¢318 (1/2) fore) 1
ise
NORMAL/HIGH SPEED
SWITCH
1
Lit 27aH BYP
+
Ly
gov]
L21 270
\, NORMAL | 7.2
METAL -7.0
STOP °-7.5
i NORMAL °-6.8 NORMAL '-0.2 BIAS REG
' H METAL -6.6 METAL (26 053
4 7 29816228
H — BIAS 0sc—
STOP <-7.5
G
248
NORMAL : 50Vp-p R54 BSS) STOP |-75 “STOP -73 Bo
METAL: 75 Vp-p 5-6 5.6 NORMAL ©-0.2 NORMAL -6.2 OS
METAL ¢ x26 METAL. ~6.¢
—49—
st - 76