Sony HCD-XG700, Service Manual

Page: 20 / 80

HCD-XG80/XG700
20 20
7-2. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
PB EQ AMP
(DECK A)
IC611 (2/2)
PB LEVEL (L)
(DECK A)
REC-L
PB-L
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
CAPSTAN
MOTOR DRIVE
Q336, 339
1
B
(Page 21)
(Page 21)
L-CH
R-CH
HP101
(PLAYBACK)
PB EQ AMP
(DECK B)
IC601 (2/2)
L-CH
R-CH
R-CH
R-CH
R-CH
HRPE101 (1/2)
(RECORD/PLAYBACK)
ALC
REC
EQ AMP
AMS
CIRCUIT
DOLBY NR
AMP
CIRCUIT
BIAS
CONTROL
CIRCUIT
DOLBY PASS
R-CH
R-CH
L.P.F.
BUFFER
Q335
M
M1
(CAPSTAN)
HRPE101 (2/2)
(ERASE)
BIAS OSC
T621
A+7V
R-CH
3
28
36
40
35 34 39
26
77
19 15 16 18 20 22 23 24 25 17
85 84 83 82 81 80 79 78
31
33
32
+
48
4
2
RV311
PB LEVEL (L)
(DECK B)
RV301
TAPE SPEED
(NORMAL)
RV1002
TAPE SPEED
(HIGH)
RV1001
REC LEVEL (L)
(DECK B)
RV301
REC BIAS (R)
(DECK B)
RV441
REC BIAS (L)
(DECK B)
BIAS OSC
Q621, 622
REC BIAS
SWITCH
Q623
ROTATION
DETECT SENSOR
(DECK A)
IC1001
RV341
BIAS
TRAP
C331, L331
REC/PB SWITCHING
IC602
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (2/4)
DECK PROCESS,
DECK A/B SELECT, PB/REC EQ AMP,
DOLBY NR AMP, ALC, AMS
IC301
A IN (L)
B IN (L)
A IN (R)
B IN (R)
MAOUT
PB OUT (L)
EQ OUT
(L)
MSIN
MSOUT
BIAS ON/OFF
70
120
BIAS (N)
BIAS (C)
BIAS (M)
S1004
A 120/70 B NORM/CROM ALC ON/OFF PB A/B NORM/HIGH NR ON/OFF RM ON/OFF REC/PB/PASS LM ON/OFF
(DECK A 120/70)
88
S1003
(DECK A HALF)
S1001
(DECK A PLAY)
S1002
(DECK B PLAY)
S1008
(DECK B 120/70)
27
REC OUT (L) R OUT (L) R IN (L) ALC (L) EQ IN (L) ALC IN (L)
44 38
100
AMS-IN
91
A-SHUT
ROTATION
DETECT SENSOR
(DECK B)
IC1002
90
B-SHUT
TRIGGER
PLUNGER DRIVE
(DECK A)
Q333, 334
73
A-TRG
TC-MUTE R/PB/PAS
NR-ON/OFF REC-MUTE
BIAS
EQ-H/N PB-A/B
ALC
TC-RELAY
A-PLAY-SW B-PLAY-SW A-HALF
89
S1006
(DECK B HALF)
S1009
(DECK B REC)
S1005
(DECK A REC)
B-HALF
TRIGGER PLUNGER
DECK A
TRIGGER
PLUNGER DRIVE
(DECK B)
Q331, 332
72
B-TRG
76
74
CAP-M-H/L
CAPM-CNT2
TRIGGER PLUNGER
DECK B
87 86
C
• SIGNAL PATH
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
: TUNER (FM/AM)
D+5V
(UNSW)
R-CH
FM/AM TUNER UNIT
ANTENNA
ST-L FM ANT
FM ANT
AM ANT
AM ANT
ST-R
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
FM
75
Ω
AM
COAXIAL
FM 75
Ω
(XG700)
(XG80)
RDS-DATA
RDS-INT
49 50 51 54 53 55 52 21 20
RDS-INT RDS-DATA ST-CE ST-CLK ST-DOUT ST-DIN TUNED STEREO ST-MUTE
RDS-INT RDS-DATA ST-CE ST-CLK ST-DOUT ST-DIN TUNED STEREO ST-MUTE
(XG700)
(Page 21)
D
CT-L
• R-ch is omitted due to same as L-ch.
46
51
53
43
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
RDS-DATA
RDS-INT
(XG700)
PB EQ AMP
(DECK A)
IC611 (1/2)
PB EQ AMP
(DECK B)
IC601 (1/2)