PIONEER KEH1904ZZ2 Service Manual

Cover page of PIONEER KEH1904ZZ2 Service Manual

Service Manual for PIONEER KEH1904ZZ2, downloadable as a PDF file.

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Sample pages

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PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC.
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999
K-ZZB. FEB. 1999 Printed in Japan
ORDER NO.
CRT2327
CASSETTE CAR STEREO WITH FM/AM ELECTRONIC TUNER
KEH-1906ZZ2
X1R/UC
Service
Manual
C.E.SUPPLY
- This additional service manual is designed to be used together with Model KEH-1906ZZ/X1H/UC
Service Manual CRT1721. Refer to it for finding parts numbers and adjustment,etc. which are not
shown in this manual.
VEHICLE
DESTINATION
PRODUCED AFTER
PART No.
ID No.
PIONEER MODEL No.
U.S.A, CANADA
1999
KEH-1906ZZ2/X1R/UC
ELECTRICAL PARTS LIST(Page 11)
Tuner Amp Unit
Part No.
Symbol and Description
KEH-1906ZZ/X1H/UC
KEH-1906ZZ2/X1R/UC
Q271
Transistor
2SB1242
2SB1241
L502
Inductor
Not used
LCTBR47K2125
R501
RS1/10S101J
RS1/10S271J
R545
RS1/8S0R0J
Not used
WB Unit
Part No.
Symbol and Description
KEH-1906ZZ/X1H/UC
KEH-1906ZZ2/X1R/UC
C802,803
CCSQCH120J50
CCSQCH150J50
C813
CCSQCH180J50
CCSQCH200J50
background image
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC.
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999
K-ZZB. FEB. 1999 Printed in Japan
ORDER NO.
CRT2327
CASSETTE CAR STEREO WITH FM/AM ELECTRONIC TUNER
KEH-1906ZZ2
X1R/UC
Service
Manual
C.E.SUPPLY
- This additional service manual is designed to be used together with Model KEH-1906ZZ/X1H/UC
Service Manual CRT1721. Refer to it for finding parts numbers and adjustment,etc. which are not
shown in this manual.
VEHICLE
DESTINATION
PRODUCED AFTER
PART No.
ID No.
PIONEER MODEL No.
U.S.A, CANADA
1999
KEH-1906ZZ2/X1R/UC
ELECTRICAL PARTS LIST(Page 11)
Tuner Amp Unit
Part No.
Symbol and Description
KEH-1906ZZ/X1H/UC
KEH-1906ZZ2/X1R/UC
Q271
Transistor
2SB1242
2SB1241
L502
Inductor
Not used
LCTBR47K2125
R501
RS1/10S101J
RS1/10S271J
R545
RS1/8S0R0J
Not used
WB Unit
Part No.
Symbol and Description
KEH-1906ZZ/X1H/UC
KEH-1906ZZ2/X1R/UC
C802,803
CCSQCH120J50
CCSQCH150J50
C813
CCSQCH180J50
CCSQCH200J50
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2
KEH-1906ZZ2
A
1
234
B
C
D
12
34
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
12 34 56 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
12 34 56 7
12 34 56 7 89 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
12
34
5
6
7 8
98 76 54 3 21
1
3
2
1
2
A-a
A
background image
3
KEH-1906ZZ2
TU +B
SWITCH
WB +B
SWITCH
FM +B
SWITCH
AM +B
SWITCH
AUDIO +B
REGULATOR
SYSTEM
POWER
SYSTEM CONTORLLER
ELECTRONIC
VOLUME
POWER AMP
MUTE
MUTE
VDD REGULATOR
SYSTEM +B
SENSE
ACC SENSE
BACK UP SENSE
ILLUMINATION POWER
SWITCH
MECHANISM
MUTE
MECHANISM
+B SWITCH
TAPE:-28.4dBs
FM:-20.4dBs
AM:-26.4dBs
WB:-19.4dBs
TAPE:-4dBs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
12
11
13
15
14
22
5
2
3
9
8
7
17
18
19
21
24
23
20
6
25
4
16
10
1
4
10
5
6
11
7
8
9
2
3
1
12
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
5
6
7
8
A
B
C
D
5
6
7
8
A-b
A
background image
4
KEH-1906ZZ2
TUNER
AMP
UNIT
AM
IF
VCO
AMP
LOOP
FILTER
TU
+B
SWITCH
WB
+B
SWITCH
WB:
11
0dBs
FM:-16dBs
AM:-22dBs
12
34
56
7
89
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
3
2
1
2
A
1
234
B
C
D
12
34
A-a
A-a
A-b
background image
5
KEH-1906ZZ2
P.C.BOARD(A)
WB
UNIT
12
34
56
7
RF
AMP
1ST
IF
10.7MHz
DET.
2ND
IF
450kHz
S
MECHANISM
MUTE
MECHANISM
+B
SWITCH
EQ
AMP
TAPE
+B
REGULATOR
TEST
TAPE:
315Hz
0dB
-73dBs
TAPE:-22.0dBs
WB:-11.0dBs
12
34
56
7
2
4
6
8
10
12
14
18
20
1
3
5
7
9
11
13
17
19
15
16
12
34
5
6
7
8
98
76
54
3
21
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
24
23
22
21
20
19
18
17
41
42
43
44
45
46
47
48
5
6
7
8
A
B
C
D
5
6
7
8
A-a
A-a
A-b

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