Main Section - Sony HTC-W555 Service Manual

HTC-W555
– MAIN SECTION –
PB L
REC L
RELAY REC/PB
A SHUT
B SHUT
B HALF
A HALF
A PLAY
B
B PLAY
PB A / B
NORM/HIGH
DECK BIAS ON/OFF
SECTION
RM ON/OFF
(Page 20)
NR ON/OFF
REC/PB PASS
CAPM EMG(-)
CAPM ON/OFF(-)
CAPM ON/OFF(+)
CAPM EMG(+)
ALC ON/OFF
LM ON/OFF
CAP M H/L
A TRG
B TRG
MS OUT
L CH
TBL. L
TBL. R
SCOR
T. SENS
SENS 2
SENS
X RST
A
CD CLK
CD DATA
CD DISC SENS
SECTION SQ CLK
(Page 18) SQ DATA
X LAT
OPEN
ENC 1
ENC 2
ENC 3
LOAD IN
LOAD OUT
09
97 TC RELAY
26 A SHUT
27 B SHUT
28
B HALF
98 A HALF
95 A PLAY
96 B PLAY
94
PB A/B
93 NORM/HI
92 BIAS
90
REC MUTE
89
NR ON/OFF
88 REC/PB
85 CAPM-EMG(-)
CAPM ON/OFF(-)
86
100 CAPM ON/OFF(+)
1 CAPM EMG(+)
99 ALC ON/OFF
87 TC MUTE
82
CAPM-H/N
84
A TRG
83 B TRG
31 AMS IN
DECO1
52
66 DECO2
65 CD-PAUSE
D224-230
67 CD-PLAY
LED
ON/OFF 72 DISC1
SWITCH
54 DISC2
Q214-223
70 DISC3
69 EXIST1
53 EXIST2
68 EXIST3
60
TBL L
61
TBL R
18 SCOR
76 T SENS
73 SENSE 2
74
SENS
57 XRST
48 CD CLK
47 CD DATA
75
DISC SENS
36 SQ CLK
34 SQ DATA IN
58 XLAT
81 OPEN
80 ENC1
79 ENC2
78 ENC3
64 LOAD IN
63 LOAD OUT
– 21 –
M12V
+12V REG
+7.5V REG
3 1
A+7.5V
IC851
Q852
+5V
D+5V +5V REG
+5V SW
3 1
IC852
Q102-104
A+5V
+7V REG
M+7V
3 1
IC853
-7.5V REG
A-7.5V
Q855
CD-POWER 46
IIC DATA 55
IIC CLK 56
RESET 15
MASTER CONTROL
IC101
RESET
IC101
D110
+5V
X1 11
X101
5MHz
10
X2
LED1 2
LED2
3
LED
LED3
4 ON/OFF
LED4 SWITCH
5
Q201-206
LED5 6
LED6
7
KEY
KEY A 29
MATRIX
KEY B 30
+
17
RECT
- D901-904
13
(CD R)
R CH 3
CNB108
2
(PB R)
9 SYSTEM
R CH
CONTROL
7
TO
6
STR-W555
(REC R)
4
R CH
14
16
D201-206
• R CH: Same as L ch
• SIGNAL PATH
: CD
: PB
: REC
– 22 –