Pioneer KEH-1906ZZ/X1H/UC, Руководство по обслуживанию

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2
KEH-1906ZZ2
A
1
2 3 4
B
C
D
1 2
3 4
3. SCHEMATIC DIAGRAM
3.1 OVERALL CONNECTION DIAGRAM (GUIDE PAGE)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL
PARTS LIST”.
A-a A-b
A-a
A-b
A-b A-a
Large size
SCH diagram
Guide page
Detailed page
P.C.BOARD (A)
TUNER AMP UNIT
WB UNIT
1 2 3 4 5 6 7
RF AMP
1ST IF
10.7MHz
DET.
2ND IF 450kHz
AM IF
VCO AMP
LOOP FILTER
MECHANISM MUTE
MECHA
+B SW
EQ AMP
TAPE +B
REGULATOR
TEST TAPE:
315Hz 0dB
-73dBs
TAPE:-22.0dBs
WB:-11.0dBs
FM:-16dBs
AM:-22dBs
1 2 3 4 5 6 7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
2 4 6 8
10 12 14 18 20
1 3 5 7 9 11 13 17
19
15
16
1 2 3 4 5 6 7 8
9 8 7 6 5 4 3 2 1
1
3
2
1 2
A-a
A