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HCD-XG100AV/XG900AV
19
19
PB LEVEL (L)
(DECK A)
REC-L
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
CAPSTAN
MOTOR DRIVE
Q336, 339
L-CH
R-CH
HP101
(PLAYBACK)
L-CH
R-CH
R-CH
R-CH
HRPE101 (1/2)
(RECORD/PLAYBACK)
Q335
M
M1
(CAPSTAN)
HRPE101 (2/2)
(ERASE)
BIAS OSC
T621
A+7V
28
35
34
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
DECK PROCESS,
DECK A/B SELECT, PB/REC EQ AMP,
DOLBY NR AMP, ALC, AMS
IC301
S1004
(DECK A 120/70)
88
S1003
(DECK A HALF)
S1001
(DECK A PLAY)
S1002
(DECK B PLAY)
S1008
(DECK B 120/70)
44
38
ROTATION
DETECT SENSOR
(DECK B)
IC1002
TRIGGER
PLUNGER DRIVE
(DECK A)
Q333, 334
89
S1006
(DECK B HALF)
S1009
(DECK B REC)
S1005
(DECK A REC)
TRIGGER PLUNGER
DECK A
TRIGGER
PLUNGER DRIVE
(DECK B)
Q331, 332
TRIGGER PLUNGER
DECK B
87
86
• 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
(XG900AV)
(XG100AV)
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
CT-L
• R-ch is omitted due to same as L-ch.
43
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
RDS-DATA
RDS-INT
(XG900AV)
7-2.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –